Academic literature on the topic 'Basophilia'

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Journal articles on the topic "Basophilia"

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Bodger, MP, GL Mounsey, J. Nelson, and PH Fitzgerald. "A monoclonal antibody reacting with human basophils." Blood 69, no. 5 (1987): 1414–18. http://dx.doi.org/10.1182/blood.v69.5.1414.1414.

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Abstract Bsp-1 is an IgM murine monoclonal antibody raised against the human erythroblastic leukemia cell line (HEL) that reacts with basophils but not neutrophils or eosinophils. Western blotting techniques showed that Bsp-1 reacts with a 45-kilodalton surface antigen on HEL cells. The distribution of Bsp-1 antigen on leukemic cells is confined to a basophilic leukemia cell line, KU812, chronic myeloid leukemia with basophilia, and some cases of acute undifferentiated leukemia. Bsp-1 might therefore be a useful reagent for the study of basophil function and differentiation.
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Bodger, MP, GL Mounsey, J. Nelson, and PH Fitzgerald. "A monoclonal antibody reacting with human basophils." Blood 69, no. 5 (1987): 1414–18. http://dx.doi.org/10.1182/blood.v69.5.1414.bloodjournal6951414.

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Bsp-1 is an IgM murine monoclonal antibody raised against the human erythroblastic leukemia cell line (HEL) that reacts with basophils but not neutrophils or eosinophils. Western blotting techniques showed that Bsp-1 reacts with a 45-kilodalton surface antigen on HEL cells. The distribution of Bsp-1 antigen on leukemic cells is confined to a basophilic leukemia cell line, KU812, chronic myeloid leukemia with basophilia, and some cases of acute undifferentiated leukemia. Bsp-1 might therefore be a useful reagent for the study of basophil function and differentiation.
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Tanaka, Yasuhiro, Atsushi Tanaka, Akiko Hashimoto, Kumiko Hayashi, and Isaku Shinzato. "Acute Myeloid Leukemia with Basophilic Differentiation Transformed from Myelodysplastic Syndrome." Case Reports in Hematology 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/4695491.

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Myelodysplastic syndrome (MDS) terminally transforms to acute myeloid leukemia (AML) or bone marrow failure syndrome, but acute myeloid leukemia with basophilic differentiation has been rarely reported. An 81-year-old man was referred to our department for further examination of intermittent fever and normocytic anemia during immunosuppressive treatment. Chromosomal analysis showed additional abnormalities involving chromosome 7. He was diagnosed as having MDS. At the time of diagnosis, basophils had not proliferated in the bone marrow. However, his anemia and thrombocytopenia rapidly worsened with the appearance of peripheral basophilia three months later. He was diagnosed as having AML with basophilic differentiation transformed from MDS. At that time, monosomy 7 was detected by chromosomal analysis. We found that basophils can be confirmed on the basis of the positivity for CD203c and CD294 by flow cytometric analysis. We also found by cytogenetic analysis that basophils were derived from myeloblasts. He refused any chemotherapy and became transfusion-dependent. He died nine months after the transformation. We should keep in mind that MDS could transform to AML with basophilic differentiation when peripheral basophilia in addition to myeloblasts develops in patients with MDS.
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Antohe, Ion, Angela Dăscălescu, Cătălin Dănăilă, et al. "FLT-3 ITD Positive Acute Basophilic Leukemia with Rare Complex Karyotype Presenting with Acute Respiratory Failure: Case Report." Revista Romana de Medicina de Laborator 26, no. 1 (2018): 87–94. http://dx.doi.org/10.1515/rrlm-2017-0036.

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Abstract Background: Acute basophilic leukemia is a rare subtype of acute myeloid leukemia, as categorized by the 2008 World Health Organization classification of myeloid neoplasms. Acute basophilic leukemia diagnosis requires thorough morphological, cytochemical, immunophenotypic, molecular, and cytogenetic studies and exclusion of other hematological neoplasms associating basophilia. The disease course is defined by histamine driven, occasionally life-threatening respiratory, cardiovascular, cutaneous or digestive complications, as well as primary refractoriness to standard therapy. Clinical presentation: We herein report a case of a 63-year-old asthmatic female patient diagnosed with acute basophilic leukemia, associated with previously unpublished cytogenetic features and FLT-3 ITD mutation, pulmonary leukostasis and spontaneous pulmonary capillary leak syndrome, which worsened immediately following chemotherapy initiation. Respiratory complications were successfully managed, but recrudesced upon emergence of refractory disease and were ultimately fatal. We highlight the likelihood of pulmonary complications induced by basophil degranulation and tumor lysis in hypercellular acute basophilic leukemia and the potential benefit of histamine receptor blockade in this setting.
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Ohnmacht, Caspar, and David Voehringer. "Basophil effector function and homeostasis during helminth infection." Blood 113, no. 12 (2009): 2816–25. http://dx.doi.org/10.1182/blood-2008-05-154773.

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AbstractBasophils are effector cells of the innate immune system that are associated with allergic inflammation and infections with helminth parasites. However, their development and in vivo functions are largely unknown. Here, we characterize basophil development, turnover, tissue localization, and effector function during infection with the helminth Nippostrongylus brasiliensis. Our results demonstrate that under homeostatic conditions basophils have a lifespan of about 60 hours. N brasiliensis–induced basophilia is caused by increased de novo production of basophils in the bone marrow. Basophils were found near the marginal zone in the red pulp of the spleen, in the lamina propria of the small intestine, and in the lung parenchyma. Activated basophils promoted systemic eosinophilia, were associated with differentiation of alternatively activated macrophages in the lung, and contributed to efficient worm expulsion, demonstrating that basophils play a crucial role as effector cells in type 2 immune responses.
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Mukai, Kaori, Maya J. BenBarak, Masashi Tachibana, et al. "Critical role of P1-Runx1 in mouse basophil development." Blood 120, no. 1 (2012): 76–85. http://dx.doi.org/10.1182/blood-2011-12-399113.

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Abstract Runx1 P1N/P1N mice are deficient in the transcription factor distal promoter-derived Runt-related transcription factor 1 (P1-Runx1) and have a > 90% reduction in the numbers of basophils in the BM, spleen, and blood. In contrast, Runx1P1N/P1N mice have normal numbers of the other granulocytes (neutrophils and eosinophils). Although basophils and mast cells share some common features, Runx1P1N/P1N mice have normal numbers of mast cells in multiple tissues. Runx1P1N/P1N mice fail to develop a basophil-dependent reaction, IgE-mediated chronic allergic inflammation of the skin, but respond normally when tested for IgE- and mast cell–dependent passive cutaneous anaphylaxis in vivo or IgE-dependent mast cell degranulation in vitro. These results demonstrate that Runx1P1N/P1N mice exhibit markedly impaired function of basophils, but not mast cells. Infection with the parasite Strongyloides venezuelensis and injections of IL-3, each of which induces marked basophilia in wild-type mice, also induce modest expansions of the very small populations of basophils in Runx1P1N/P1N mice. Finally, Runx1P1N/P1N mice have normal numbers of the granulocyte progenitor cells, SN-Flk2+/−, which can give rise to all granulocytes, but exhibit a > 95% reduction in basophil progenitors. The results of the present study suggest that P1-Runx1 is critical for a stage of basophil development between SN-Flk2+/− cells and basophil progenitors.
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Agis, Hermine, Maria T. Krauth, Leonhard Muellauer, Lawrence B. Schwartz, Hans P. Horny, and Peter Valent. "Enumeration and Immunologic Characterization of Basophils in Normal Bone Marrow and Patients with Myeloproliferative Disorders." Blood 104, no. 11 (2004): 4754. http://dx.doi.org/10.1182/blood.v104.11.4754.4754.

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Abstract Basophils are highly specialized granulocytes that express a unique profile of antigens and increase in myeloproliferative disorders. In chronic myeloid leukemia (CML), basophilia is an independent prognostic variable. So far, however, no reliable immunohistochemical approach for routine-detection and enumeration of bone marrow (bm) basophils has become available. To overcome this disadvantage, we have applied the anti-basophil antibody 2D7 on formalin-fixed, paraffin-embedded sections of normal bm and bm from patients (pts) with chronic myeloid leukemia (CML; chronic phase, n=21; accelerated phase, n=9), other myeloproliferative disorders (idiopathic myelofibrosis [IMF], n=3; polycythemia vera [PV], n=7; essential thrombocythemia [ET], n=7), and normal / reactive bm (n=32). As assessed by serial section-staining of bm specimens, the 2D7 antibody was found to be a basophil-specific immunohistochemical reagent. In serial bm sections, 2D7+ basophils co-expressed histidine decarboxylase, CD15, and CD43, but did not express B- or T-cell restricted antigens corresponding to the phenotype of normal blood basophils. Bm basophils were found to increase in number in pts with CML and other myeloproliferative disorders compared to normal bm (median 2D7+ cells/mm2 bm: normal bm: 7; CML: 46; IMF: 26; PV: 21; ET: 21, p<.05). The highest numbers of bm basophils were recorded in pts with accelerated phase CML (111 2D7+ cells/mm2). Together, we have established a useful immunohistochemical staining procedure for basophil detection in normal bm and pts with myeloid neoplasms. This approach should enable the quantification of basophils in these pts and the monitoring of bm basophil counts during follow up examinations and anti-leukemic therapies.
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Kane, John P. "Infectious basophilia?" American Journal of Hematology 91, no. 2 (2016): E8. http://dx.doi.org/10.1002/ajh.24243.

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Boiten, Henk-Jan, and Eva de Jongh. "Atypical basophilia." Blood 132, no. 5 (2018): 551. http://dx.doi.org/10.1182/blood-2018-05-849901.

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Balan, Maria, Aimee Hope, Joseph Cassidy, Maureen McCullough, and Peter J. O’Brien. "Marked paraneoplastic basophilia accompanying eosinophilia in a cat with alimentary T-cell lymphoma." Journal of Feline Medicine and Surgery Open Reports 3, no. 2 (2017): 205511691773018. http://dx.doi.org/10.1177/2055116917730180.

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Case summary A 5-year-old male neutered domestic shorthair cat was referred with a history of persistent pyrexia, pica, soft faeces, inappetence, intermittent vomiting, mild-to-moderate granulocytosis and mild hypercalcaemia. No significant improvement was noted after antibiotic and corticosteroid treatment, except that the hypercalcaemia resolved. Physical examination, including thoracic auscultation, and abdominal and peripheral lymph node palpation, were unremarkable. On admission, haematology revealed moderate leukocytosis (36.8 × 109/l) with moderate-to-marked eosinophilia (21.3 × 109/l) and marked basophilia (4.04 × 109/l), the latter identified microscopically. Lymphocytes were markedly decreased (0.37 × 109/l). Blood smear examination revealed 58% eosinophils, 28% neutrophils, 11% basophils, 2% monocytes, 1% lymphocytes and marked, diffuse platelet clumping. Biochemistry abnormalities indicated mild pancreatitis, dehydration and anorexia with mildly increased pancreatic lipase, mild hypernatraemia (157 mmol/l), a moderate decrease in urea (3.1 mmol/l) and a slight decrease in phosphate (1.32 mmol/l). Ultrasound and radiographic imaging revealed enlargement of the mesenteric lymph nodes. Fine-needle aspiration, a Tru-cut biopsy and immunohistochemistry were performed. Cytological examination revealed ~65–75% lymphocytes (~80% were larger than a neutrophil), ~25–35% eosinophils and occasional basophils. Lymphocytes had single, small (<1/3 red blood cells), prominent nucleoli and increased pale, mildly vacuolated cytoplasm. On histopathology, cells were monomorphic, large, with prominent nucleoli, and mild, multifocal, staining for T-cell marker CD3. Smaller cells were strongly CD3-positive. Cells were negative for B-cell marker CD45R. Relevance and novel information This is the most severe case of paraneoplastic basophilia reported with feline alimentary T-cell lymphoma with accompanying eosinophilia and lymph node infiltration. Feline basophil prevalence is reported for the first time.
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Dissertations / Theses on the topic "Basophilia"

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Ducassou, Stéphane. "Mécanismes de la leucémogenèse basophile induite par la translocation X;6 avec fusion MYB-GATA1." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0170/document.

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La leucémie aiguë à basophile du Nourrisson est un sous-type rare de leucémie aiguë myéloïde.Notre équipe avait précédemment participé à la caractérisation moléculaire de la translocationrécurrente t(X;6)(p11;q23) générant un gène de fusion MYB-GATA1 chez les nourrissons desexe masculin. Pour mieux comprendre son rôle, le facteur de transcription MYB-GATA1résultant de cette fusion a été exprimé dans des cellules progénitrices de l’hématopoïèsehumaine, CD34+ avant xénogreffe chez des souris immunodéficientes. Les cellules exprimantMYB-GATA1 présentaient une augmentation de l’expression des marqueurs d’immaturité(CD34), des marqueurs de la lignée granuleuse (CD33, CD117) et des signes de différenciationbasophile (CD203c, FcƐRI). Des cellules de lignée UT-7 ont également montré descaractéristiques de différenciation basophile après transduction par MYB-GATA1. Une analysetranscriptomique a permis de mettre en évidence 9 gènes dérégulés à la fois par la présence deMYB-GATA1 et par la différenciation basophile. L’augmentation de l’expression de 3 de cesgènes (CCL23, IL1RL1 et NTRK1) a été confirmée en RT-PCRq dans des cellules CD34+transduites avec MYB-GATA1. L’IL-33 (Interleukine 33) et le NGF (Nerve Growth Factor),les ligands respectifs de IL1RL1 et NTRK1, augmentent la différenciation basophile de cellulesUT-7 exprimant MYB-GATA1, démontrant l’importance de ces voies de signalisation dans ladifférenciation basophiles de cellules leucémiques et de cellules primaires de l’hématopoïèsehumaine CD34+. Enfin une expérience utilisant la luciférase a confirmé que MYB et MYBGATA1augmentaient l’activité des facteurs de transcription NTRK1 et IL1RL1 conduisant àl’acquisition de caractéristiques basophiles. Nos résultats soulignent ainsi l’importance desrécepteurs à l’IL-33 et au NGF dans la différenciation basophile des cellules normales etleucémiques<br>Acute basophilic leukaemia (ABL) is a rare subtype of acute myeloblastic leukaemia. Wepreviously described a recurrent t(X;6)(p11;q23) translocation generating a MYB-GATA1fusion gene in male infants with ABL. To better understand its role, the chimeric MYB-GATA1transcription factor was expressed in CD34-positive hematopoietic progenitors which weretransplanted into immunodeficient mice. Cells expressing MYB-GATA1 showed increasedexpression of markers of immaturity (CD34), of granulocytic lineage (CD33, CD117) and ofbasophilic differentiation (CD203c, FcƐRI). UT-7 cells also showed basophilic differentiationafter MYB-GATA1 transfection. A transcriptomic study identified 9 genes deregulated by bothMYB-GATA1 and by basophilic differentiation. Induction of three of these genes (CCL23,IL1RL1 and NTRK1) was confirmed in MYB-GATA1-expressing CD34-positive cells byRTqPCR. IL-33 and NGF (Nerve Growth Factor), the ligands of IL1RL1 and NTRK1,respectively, enhanced the basophilic differentiation of MYB-GATA1-expressing UT-7 cells,thus demonstrating the importance of this pathway in basophilic differentiation of leukemiccells and CD34 positive primary cells. Finally, gene reporter assays confirmed that MYB andMYB-GATA1 activated NTRK1 and IL1RL1 transcription leading to basophilic skewing ofthe blasts. Our results highlight the role of IL-33 and NGF receptors in basophilic differentiationof normal and leukemic cells
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Keykhosravi, Sanaz. "[60]Fullerène et dérivés : critères de pureté et impact fonctionnel in vivo sur les mitochondries, in vitro et ex vivo sur les cellules de l’allergie." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS047/document.

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En 1985 Kroto décrit le troisième allotrope du carbone, le fullerène, une sphère de 60 carbones d’1nm de diamètre aux caractéristiques physico-chimiques particulières. La réactivité chimique du C₆₀ est dominée par les réactions d’addition et sa grande affinité pour les radicaux libres grâce à ses 30 double-liaisons. Cette propriété a été explorée dans le stress oxydant, tant in vitro qu’in vivo, où l’équilibre redox est impliqué, comme dans les situations pathophysiologiques impliquant l’inflammation et la dégénérescence cellulaire. En particulier, un traitement au C₆₀ solubilisé dans de l’huile a permis de prolonger l’espérance de vie chez le rat. Le produit, commercialisé à travers le monde, n’a pas encore fait l’objet d’essai clinique. D’autre part certaines préparations peuvent contenir des impuretés. Il est donc important d’établir des critères de pureté et d’intégrité des préparations de C₆₀. Ce travail de thèse comporte deux parties. La première, physicochimique, nous a permis d’évaluer la pureté de préparations commerciales de C₆₀ de différentes origines faisant appel à différentes techniques d’analyse: microscopie électronique à balayage, diffraction aux rayons X, calorimétrie différentielle à balayage (DSC), analyse thermogravimétrique, chromatographie liquide (CLHP) ou en phase gazeuse couplée à la spectrométrie de masse (CG-SM), ainsi que la spectroscopie ultraviolet-visible ou infrarouge à transformée de Fourier (FTIR). La DSC est la technique de choix pour établir le critère de pureté et la FTIR la plus rapide. La CG-SM est nécessaire à l’identification des impuretés volatiles, tandis que la CLHP permet de détecter les fullerènes lourds et les dérivés du C₆₀. La deuxième partie a porté sur des aspects fonctionnels des fullerènes et nous avons, pour cela, utilisé des préparations pures selon les critères définis précédemment. Dans un premier temps, nous avons cherché à préciser le sous-compartiment cellulaire ciblé par le C₆₀ injecté in vivo chez la souris. Après administration d’une solution huileuse, les molécules de C₆₀ sont retrouvées dans le foie et la rate, à l’intérieur des cellules, parfois au niveau des mitochondries et du réticulum endoplasmique. La présence des molécules de C₆₀, au niveau des mitochondries a été corroborée par la mise en évidence de modifications spécifiques d’activité des enzymes de la mitochondrie (malate déshydrogénase et complexe I de la chaîne respiratoire). Dans un deuxième temps, nous avons abordé l’effet des fullerènes sur des cellules intervenant dans une dysrégulation immunologique où l’inflammation joue un rôle important : l’allergie. L’évènement cellulaire à l’origine des symptômes allergiques est la libération de médiateurs de l’inflammation et de la réponse immunitaire lors de l’activation dépendante des IgE des basophiles et des mastocytes. L’effet régulateur de C₆₀ et de quatre dérivés hydrosolubles, le fullérol, la β-cyclodextrine C₆₀, le dendro C₆₀ et le C₆₀ serinol-malonate, a été testé. L’innocuité des dérivés à des concentrations nanomolaires et leur pouvoir inhibiteur sur la dégranulation IgE et non IgE dépendante des lignées mastocytaires de rat a été vérifié in vitro. Dans un test d’activation cellulaire mesurant l’expression des marqueurs CD63 et CD203c par cytométrie de flux, nous montrons que les différents dérivés sont capables d’interférer ex vivo avec l’activation de basophiles de patients allergiques dans des conditions naturelles de sang total. Les taux d’inhibition dépendent des dérivés et des patients avec un maximum observé à 35% en présence de C₆₀ serinol-malonate. Ces inhibitions ont été reproduites sur des basophiles humains purifiés en étudiant des marqueurs d’activation supplémentaires CD107a et CD69. Les perspectives de ce travail portent sur la spécificité et les mécanismes d’inhibitions observés au niveau intracellulaire. Elles incluent, par exemple, l’étude des flux de calcium ou des protéines de fusion, ou des facteurs de transcription<br>In 1985 Kroto discovered the third allotrope of carbon, fullerene, spherical molecule consists of 60 carbons with 1 nm in diameter with a specific physico-chemical characteristic. The chemical reactivity of C₆₀ is governed by addition reactions and its high affinity for scavenging free radicals thanks to its 30 double bonds. This property has been widely explored in the field of oxidative stress, in vitro and in vivo, where redox balance is involved, as physio-pathological situations involving inflammation and cellular degeneration. In particular, treatment with C₆₀ solubilized in olive oil extended life span in a rat experimental model. The product, marketed worldwide, has not yet been clinically tested. On the other hand, some preparations may contain impurities. It is therefore important to establish criteria for the purity and integrity of C₆₀ preparations. This thesis work consists of two parts. In the first physico-chemical part, a criterion of C₆₀ purity was established for evaluating the purity of several commercial preparations of C₆₀ with different origins using the following techniques: scanning electron microscopy, X-ray diffraction, Differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), liquid chromatography and gas chromatography coupled to mass spectrometry (GC-MS), as well as ultraviolet-visible and Fourier transform infrared (FTIR) spectroscopy. The results show that FTIR is the easiest way to control the quality of C₆₀ and GC-MS is necessary for identifying volatile impurities, while HPLC remains essential for detecting other fullerenes and C₆₀ derivatives. The second part of the thesis deals with functional aspect of fullerenes and for this purpose we used the pure preparation of C₆₀ evaluated according to the previously defined criteria. In a first chapter, to precise the sub-cellular compartment targeted, the C₆₀ dissolved in olive oil were in vivo injected in mice. After administration, C₆₀ molecules were visualized in the liver and in the spleen, inside the cells and sometimes in mitochondria and endoplasmic reticulum. The targeting of [60]fullerene to the mitochondria was confirmed by a specific modification of the activities of mitochondrial enzymes (malate dehydrogenase and complex I of respiratory chain). In a second chapter we studied the effect of fullerenes on cells involved in an immune dysregulation where inflammation plays a role: allergy. The cellular mechanism at the basis of allergic symptoms is the release in circulation and tissues of mediators of inflammation and immune response from IgE-dependent activation of basophiles and mast cells. The regulatory effects of [60]fullerene and 4 hydrosoluble derivatives, fullerol, β-cyclodextrin [60]fullerene, dendro [60]fullerene and [60]fullerene serinol-malonate, were tested. In vitro experiments showed an absence of toxicity at nanomolar concentrations and inhibitory abilities on the IgE-dependent and -independent activation of the rat mast cell line (RBL). In a cellular activation test monitoring the expression of the degranulation and activation markers CD63 and CD203c on basophiles, by flow cytometry, we show that the various fullerenes are able also to inhibit the ex vivo activation of basophiles from peanut allergic patients in a natural physiological environment: in whole blood. Inhibition rates depend on patients and derivatives with a maximum inhibition observed at 35% in presence of [60]fullerene serinol-malonate. These inhibitions were reproduced on purified human basophiles by studying further activation markers CD107a and CD69. Working perspectives will be on the specificity and the mechanisms of inhibition by studying intracellularly calcium influx or the expression of fusion proteins and transcription factors
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El, Hachem Carole. "Etude des basophiles dans l'inflammation allergique de la peau." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAJ062.

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L'inflammation allergique de la peau est un état dans lequel l'hôte réagit de manière excessive à des allergènes en induisant une inflammation de type Th2. Un certain nombre d’acteurs cellulaires et moléculaires ont été impliqués dans cette pathologie, mais la façon dont ils agissent dans le réseau inflammatoire demeure largement inconnue. Les basophiles ont été reconnus pour leurs fonctions effectrices en allergie, cependant, comment ils sont recrutés et activés, ainsi que comment ils interagissent avec d'autres cellules dans l’inflammation allergique cutanée demeurent mal caractérisés. L'objectif de ce travail de thèse est d'étudier le recrutement, l'activation et la fonction des basophiles dans le réseau inflammatoire de la peau allergique. En employant un modèle expérimental murin de dermatite de contact allergique, combiné à des outils génétique de souris, d’immunologie et d’approches biologiques cellulaires/moléculaires, l’étude de ma thèse a démontré que l’IL-3 joue un rôle crucial dans l’extravasation des basophiles dans la peau allergique des souris (Partie I), et que l’invalidation des basophiles chez les souris Mcpt8DTR entraîne une réduction systémique des éosinophiles et des neutrophiles (Partie II). Ces études fournissent ainsi de nouvelles connaissances sur le recrutement, l'activation et la fonction des basophiles dans l'inflammation allergique de la peau<br>Allergic skin inflammation is a state in which the host overreacts to otherwise innocuous allergens by inducing T helper type 2 inflammation. A number of cellular and molecular players have been implicated in the generation of allergic skin inflammation, but how they act and crosstalk in the inflammatory network remains largely unknown. Basophils have been recognized for their effector functions in allergy, however, how they are recruited to the inflamed tissue, get activated and crosstalk with other cells in inflammatory skin remain still incompletely understood. The objective of this PhD study is to investigate the recruitment, activation and function of basophils in the inflammatory network of allergic skin. Using experimental mouse model for allergic contact dermatitis, combined with mouse genetic tools, immunology and cellular/molecular biology approaches, the study of my thesis discovered that IL-3 plays a crucial role in basophil extravasation to mouse allergic skin (Part I), and that the depletion of basophils in Mcpt8DTR mice leads to a systemic reduction of eosinophils and neutrophils (Part II). These studies provide novel insights into the recruitment, activation and function of basophils in allergic skin inflammation
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Kanjarawi, Reem. "Control of type I allergy by regulatory T cells." Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10272.

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L’allergie de type I, une réaction de type hypersensibilité immédiate (HIS), a considérablement augmenté au cours des dernières décades dans les pays industrialisés. Le rôle des lymphocytes T régulateurs (Treg) dans le contrôle des maladies allergiques a été récemment apprécié. Cependant, il n’existe actuellement aucune connaissance précise si et comment les CD4+ Treg peuvent réguler l’allergie de type I. Le but du projet était d’étudier la contribution de cellules Treg dans le contrôle de l’allergie de type I chez la souris et chez l’homme. En utilisant un modèle murin d’HSI aux protéines de lait de vache, ß-lactoglobuline(BLG), nous avons montré que l’absence de Treg augmentait les réponses des cytokines Th1et Th2 et des anticorps IgE, IgG1 et IgG2a spécifique de la BLG. De plus, l’absence de Treg a augmenté la sévérité de l’anaphylaxie chez les souris sensibilisées lors de l’épreuve orale avec la BLG, avec une augmentation concomitante de la protéase des mastocytes muqueux 1(mMCP-1) dans le sérum. La contribution des cellules Treg dans un modèle murin d’anaphylaxie systémique passive (PSA) a été également étudiée. Une anaphylaxie plus sévère a été observée chez les souris déficientes en CHM de classe II ainsi que chez des souris B6 traitées avec un anti-CD4. En revanche, la déplétion sélective des Foxp3+ Treg chez des souris Tg DEREG n’a pas d’effet sur l’anaphylaxie.La capacité des Treg à contrôler la dégranulation des basophiles a été étudiée chez l’homme. Les données préliminaires ont montré que les Treg ont été incapables de contrôler la dégranulation des basophiles chez les donneurs sains. En revanche, une légère mais reproductible down-regulation de la dégranulation/activation des basophiles a été observée dans l’allergie induite par les médicaments chez l’homme. Dans l’ensemble, notre travail met en évidence un nouveau rôle encore non identifié des Treg dans le contrôle de l’HSI et souligne que chez la souris et l’homme, les Treg peuvent dans certaines conditions, limiter la sévérité de l’HSI en agissant sur les mastocytes et/ou basophiles effecteurs<br>Type I allergy, an immediate type hypersensitivity reaction (ITH), has dramatically increased during the past decades affecting up to 30% of the population in industrialized countries. The role of regulatory T cells (Treg) in the control of allergic diseases has been recently appreciated. However, there is currently no precise knowledge of whether and howCD4+ Treg can regulate type I allergy. The aim of this project was to investigate the contribution of Treg in the control of type I allergy. Using a murine model of ITH to cow’s milk protein the ß-lactoglobulin (BLG), we showed that lack of Treg increased BLG-specific Th2 and Th1 cytokine response and BLG-specific IgE, IgG1 and IgG2a antibodies.Furthermore, absence of Treg enhanced the severity of the anaphylaxis with concomitant increase in serum mucosal mast cell protease 1 (mMCP-1) in sensitized mice upon oral challenge with BLG. Furthermore, we investigated the contribution of Treg in a murine model of passive systemic anaphylaxis (PSA). More sever anaphylaxis was observed in both MHCclass II KO mice and after anti-CD4 mAb treatment. Alternatively, selective depletion of Foxp3+ Treg in DEREG Tg mice did not show changes in anaphylaxis.The capacity of Treg to control basophils degranulation was investigated in humans. Preliminary data showed that Treg were unable to control basophils degranulation in healthy donors. In contrast, a slight butreproducible downregulation of basophils activation/ degranulation was observed in allergic individuals. Taken together, our work points out to a novel as yet unidentified role of Treg in the control of ITH and emphasizes that both mouse and human Treg can, in certain conditions, limit the severity of ITH by acting on mast cells and/or basophils effectors of ITH
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Reiß, Nadine [Verfasser], Mario [Gutachter] Menschikowski, and Dirk [Gutachter] Koschel. "Untersuchungen zur Expression der Oberflächenmarker CD63 und CD203c basophiler Granulozyten bei Bienen- und Wespengiftallergikern mit Hilfe des Basophilen Aktivierungstestes (BAT) / Nadine Reiß ; Gutachter: Mario Menschikowski, Dirk Koschel." Dresden : Technische Universität Dresden, 2020. http://d-nb.info/1227833113/34.

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Pelleau, Stéphane. "Rôle de la réponse immunitaire de type allergique et de la protéine parasitaire PfTCTP dans la physiopathologie du paludisme." Thesis, Aix-Marseille 2, 2010. http://www.theses.fr/2010AIX20719.

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Le paludisme, responsable du décès d’un million de personnes chaque année, reste un problème majeur de santé publique. Des études récentes ont évoqué des mécanismes immunopathologiques communs entre les manifestations allergiques et le paludisme, soutenus par l’existence d’un homologue parasitaire du facteur de relargage d’histamine humain (PfTCTP). Notre objectif était de déterminer l’implication des acteurs de la réponse allergique dans la gravité de l’accès palustre, et la capacité de la PfTCTP à moduler ces réponses.Trois groupes de sujets ont été recrutés dans des structures de santé à Dakar. Les patients infectés présentaient des taux élevés d’IgE totales et spécifiques, par rapport aux sujets sains, mais sans corrélation avec la gravité. A l’aide d’un test d’activation des basophiles basé sur l’expression du CD203c, nous avons montré que les basophiles de patients en accès simple présentaient un niveau d’activation basal significativement réduit. Ces mêmes patients présentaient des concentrations plasmatiques élevées en IL-10, suggérant un meilleur contrôle de leur réponse inflammatoire. Les basophiles de patients en accès grave présentaient une hyperréactivité à l’hémozoïne, ainsi qu’à des stimulations IgE-dépendantes (anti-IgE). Enfin, la présence de PfTCTP circulante a été associée à une plus grande réactivité des basophiles, tandis que l’acquisition d’anticorps contre cette protéine est associée à une protection envers une trop grande réactivité cellulaire.En conclusion, nos travaux soutiennent l’hypothèse d’une activation allergique excessive au cours du paludisme grave. Ce travail ouvre la voie à de nouvelles approches thérapeutiques<br>Malaria is responsible of the death of a million person each year and remains a major public health problem. Recent studies have suggested the existence of common immunopathologic mechanisms between allergic manifestations and malaria, supported by the existence of a parasite homolog of the human histamine releasing factor (PfTCTP). Our objective was to determine i) the implication of allergic response actors in the severity of malaria, and ii) the ability of PfTCTP to modulate these responses.Three groups of subjects were recruited in health structures in Dakar. Infected patients presented high levels of total and specific IgE, compared to healthy controls, although not correlated with severity. With a basophil activation test based on CD203c expression, we demonstrated that basophils from mild malaria patients presented a significantly reduced basal level of activation which paralleled higher levels of IL-10, thus suggesting a better control of their inflammatory responses. Basophils from severe malaria patients showed an hyperreactivity to haemozoin and to IgE-dependent stimulations (anti-IgE). Finally, presence of circulating PfTCTP was associated with a higher basophil reactivity, whereas acquisition of anti-PfTCTP antibodies was associated with protection towards excessive cellular reactivity.In conclusion, our results support the hypothesis of an excessive allergic activation during severe malaria. This work might open the way to new therapeutic approaches
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Galeotti, Caroline. "Effets des immunoglobulines intraveineuses sur les cellules de l'immunité innée." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS054.

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Les IgIV, une préparation thérapeutique d'IgG normales, sont utilisées dans le traitement de diverses maladies auto-immunes et inflammatoires. Les mécanismes par lesquels les IgIV exercent une activité anti-inflammatoire ne sont pas complètement compris. Elles interagissent avec de nombreux composants du système immunitaire et modulent leurs fonctions. Des études récentes ont rapporté que l'hème oxygénase-1 (HO-1) joue un rôle important dans la régulation de la réponse inflammatoire dans un certain nombre de pathologies. Plusieurs agents thérapeutiques exercent des effets anti-inflammatoires grâce à l'induction de l'HO-1. Etant donné le rôle commun anti-inflammatoire de l'HO-1 et des IgIV, j'ai étudié l'implication de l'HO-1 dans les mécanismes d'action des IgIV. J'ai montré que les effets des IgIV ne sont pas associés à l'induction de l'HO-1, que ce soit dans des cellules de l'immunité innée comme les monocytes, cellules dendritiques ou macrophages, ou dans les reins et foie de souris avec une encéphalomyélite auto-immune expérimentale traitées par les IgIV. Des données récentes dans des modèles expérimentaux suggèrent que les IgIV induisent la sécrétion d’IL-4 des basophiles en augmentant l’IL-33 des cellules innées SIGN-R1+. J’ai rapporté que les IgIV induisent directement l’activation de basophiles pré-stimulés avec l’IL-3 alors que contrairement au modèle murin, l’IL-33 n’est pas indispensable. L’activation des basophiles par les IgIV est associée à l’expression augmentée de CD69 et la sécrétion d’IL-4, d’IL-6 et d’IL-8. Ces fonctions sont médiées par les fragments F(ab’)2 qui se lient à des IgE membranaires et activent la voie Syk<br>Intravenous immunoglobulin (IVIG), a therapeutic normal immunoglobulin G preparation, is used in the therapy of various autoimmune and inflammatory conditions. The mechanisms by which IVIG exerts anti-inflammatory effects are not completely understood. It interacts with numerous components of the immune system including dendritic cells, macrophages, T and B cells and modulates their functions. Recent studies have reported that heme oxygenase-1 (HO-1) pathway plays an important role in the regulation of inflammatory response in several pathologies. Several therapeutic agents exert anti-inflammatory effects via induction of HO-1. Therefore, in view of common anti-inflammatory role exerted by both HO-1 and IVIG, I investigated if mechanisms of IVIG implicate HO-1. I show that anti-inflammatory effects of IVIG were not associated with an induction of HO-1 either in innate cells such as monocytes, dendritic cells and macrophages or in the kidneys or liver of experimental autoimmune encephalomyelitis. Recent data in experimental models suggest that IVIG induces IL-4 in basophils by enhancing IL-33 in SIGN-R1+ innate cells. I reported that IVIG directly induces activation of IL-3-primed basophils while unlike mice IL-33 was dispensable. The activation of basophils by IVIG was associated with enhanced expression of CD69 and secretion of IL-4, IL-6 and IL-8. These functions of IVIG are mediated via F(ab’)2 fragments that bind to basophil surface IgE and activate Syk pathway
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Thompson, Margaret Evelyn May. "Basophil reactivity and disease." Thesis, Queen's University Belfast, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301059.

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Mahay, Guillaume. "Etude de l'initiation de la tolérance de l'immunothérapie spécifique aux venins d'hyménoptères par ultra-rush Ultra-rush venom immunomotherapy induces basophils inhibition by a lower surface expression of FcεRI and leads to early change in innate and adaptive immune response". Thesis, Normandie, 2019. http://www.theses.fr/2019NORMR091.

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L'immunothérapie spécifique (ou désensibilisation) aux venins d'hyménoptères est un traitement qui permet de prévenir la récidive d’une anaphylaxie chez les patients allergiques au venin de guêpe ou d’abeille. Une augmentation très rapide des doses est souvent utilisée lors de la phase initiale de ce traitement dont la bonne tolérance n’est pas bien expliquée. Le but de ce travail était de décrire les changements précoces du système immunitaire pendant l’initiation de l’immunothérapie aux venins d’hyménoptères pouvant expliquer cette bonne tolérance. Nous avons inclus 29 patients traités pour une allergie au venin d’hyménoptères avec une initiation de traitement par « ultra-rush » en 3h30. Des prélèvements sanguins ont été pratiqués avant le début du traitement, à 1h30 et juste avant la dernière injection de venin. L’évolution de la tryptase sanguine a été analysée. L'activation des polynucléaires basophiles ainsi que l'expression FcεRI à leur surface ont été analysées par intensité moyenne de fluorescence par cytométrie en flux. Pour évaluer l'évolution de la réactivité des polynucléaires basophiles, un test d'activation des basophiles (TAB) a été réalisé à chaque temps. L’évolution des populations lymphocytaires T et myéloïdes a été également analysée par cytométrie en flux. Nous avons montré une diminution significative de la tryptase sérique pendant l’ultra-rush, de même qu’une diminution significative de l’activation des polynucléaires basophiles et une diminution de l’expression de FcεRI à leur surface. Etonnamment, le TAB a montré une réponse in vitro des basophiles significativement plus élevée à l'extrait de venin à la fin de « l'ultra-rush » par rapport à avant le début du traitement. Nous avons également montré une augmentation significative des cellules dendritiques et une diminution significative des lymphocytes « Natural Killer » (NK) dans le sang. Concernant les populations lymphocytaires T, nous avons montré une ugmentation significative des populations lymphocytaires T dans le sang, sauf pour les Lymphocytes T CD4+et CD8+ naïfs. En conclusion, l’augmentation des doses de venin par « ultra-rush » est bien tolérée grâce à une inhibition des polynucléaires basophiles impliquant une diminution de l’expression de FcεRI à leur surface. L'ultra-rush entraîne également des modifications précoces dans la réponse immunitaire innée et adaptative<br>Hymenoptera venom immunotherapy (VIT) is a treatment that prevents sting inducing anaphylaxis in allergic patient. Fast-up dosing schedule are often used at the initial phase of VIT. This fast dosing schedule well tolerated, but the mechanisms behind this good tolerance have not yet been elucidated, as well as its consequences on the rest of the immune systems. The aim of this study is to describe early immune system change during initial phase of VIT We included 29 patients undergoing VIT by 3h30 ultra-rush up dosing phase. Blood puncture was performed before the beginning of the treatment, at 1h30 and just before the last venom injection. Blood tryptase evolution was measured. Basophils phenotype and FcεRI surface expression were analyzed by flow cytometry at each step of the ultra-rush. To assess basophils responsiveness evolution, basophils activation test (BAT) was also perform. Myeloid and T lymphocytes population’s evolution were analyzed by flow cytometry. We have shown a significantly lower concentration of blood tryptase at the end of ultra-rush, and a significantly lower basophils activation and FcεRI expression. Surprisingly, BAT has shown a significantly higher in vitro response to venom extract at the end of ultra-rush. We also found significantly increase in blood dendritic cells concentration and lower blood Natural Killer (NK) Cells. We observed higher lymphocytes population in blood except for naïve CD4+ and CD8+ T cells. In conclusion, ultra-rush fast up dosing is well tolerated thanks to a basophils inhibition involving lower FcεRI surface expression. Ultra-rush also leads to early change in innate and adaptive immune response
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Galadari, Sehamuddin H. I. "Leukotriene biosynthesis and secondary messengers in rat basophilic leukaemia cells." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/46776.

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Books on the topic "Basophilia"

1

Foundation, Novartis. Mast Cells and Basophils. John Wiley & Sons, Ltd., 2006.

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Dvorak, Ann M. Basophil and mast cell degranulation and recovery. Plenum Press, 1991.

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Gibbs, Bernhard F., and Franco H. Falcone, eds. Basophils and Mast Cells. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-1173-8.

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Gibbs, Bernhard F., and Franco H. Falcone, eds. Basophils and Mast Cells. Springer US, 2020. http://dx.doi.org/10.1007/978-1-0716-0696-4.

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Basophils and mast cells: Methods and protocols. Humana Press, 2014.

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Razin, Ehud, and Juan Rivera, eds. Signal Transduction in Mast Cells and Basophils. Springer New York, 1999. http://dx.doi.org/10.1007/978-1-4612-2154-8.

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Dvorak, Ann M. Basophil and Mast Cell Degranulation and Recovery. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4757-9525-7.

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Dvorak, Ann M. Histamine content and secretion in basophils and mast cells. G. Fischer, 1998.

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Hamawy, Majed M. IgE Receptor (FcεRI) Function in Mast Cells and Basophils. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-662-22022-1.

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Chadwick, Derek J., and Jamie Goode, eds. Mast Cells and Basophils: Development, Activation and Roles in Allergic/Autoimmune Disease. John Wiley & Sons, Ltd, 2005. http://dx.doi.org/10.1002/9780470033449.

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Book chapters on the topic "Basophilia"

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Mitre, Edward, and Thomas B. Nutman. "Basophils, Basophilia and Helminth Infections." In Parasites and Allergy. KARGER, 2005. http://dx.doi.org/10.1159/000088886.

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Ok, Chi Young, and Robert P. Hasserjian. "Leukocytosis: Neutrophilia, Basophilia, and Blasts." In Diagnosis of Blood and Bone Marrow Disorders. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-20279-2_5.

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Pavelka, Margit, and Jürgen Roth. "Basophilic Granulocyte." In Functional Ultrastructure. Springer Vienna, 2010. http://dx.doi.org/10.1007/978-3-211-99390-3_177.

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Sainte-Laudy, Jean, Nicolas Charles, and Joana Vitte. "Basophils." In Encyclopedia of Inflammatory Diseases. Springer Basel, 2013. http://dx.doi.org/10.1007/978-3-0348-0620-6_90-3.

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Schroeder, John T. "Basophils." In Encyclopedia of Medical Immunology. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-9194-1_293.

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Sainte-Laudy, Jean, Nicolas Charles, and Joana Vitte. "Basophils." In Compendium of Inflammatory Diseases. Springer Basel, 2016. http://dx.doi.org/10.1007/978-3-7643-8550-7_90.

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Gooch, Jan W. "Basophil." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_13241.

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Renz, H., and B. Gierten. "Basophilen-Degranulation." In Springer Reference Medizin. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-48986-4_495.

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Renz, H., and B. Gierten. "Basophilen-Degranulation." In Lexikon der Medizinischen Laboratoriumsdiagnostik. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49054-9_495-1.

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Baum, H. "Granulozyten, basophile." In Springer Reference Medizin. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-48986-4_1320.

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Conference papers on the topic "Basophilia"

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Annashr, Nissa Noor, and I. Made Djaja. "ASSOCIATION BETWEEN BLOOD LEAD LEVELS AND BASOPHILIC STIPPLING ERYTHROCYTES IN CHILDREN." In International Conference on Public Health. The International Institute of Knowledge Management (TIIKM), 2018. http://dx.doi.org/10.17501/icoph.2017.3221.

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Marchewski, H., G. Schwefel, K. Bratke, JC Virchow, and M. Lommatzsch. "Benralizumab reduziert Blut-Basophile bei Patienten mit schwerem Asthma." In 61. Kongress der Deutschen Gesellschaft für Pneumologie und Beatmungsmedizin e.V. Georg Thieme Verlag KG, 2020. http://dx.doi.org/10.1055/s-0039-3403072.

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Watson, Brittany M., Karen Howie, Rick Watson, George Obminski, Heather Campbell, and Gail Gauvreau. "Expression And Function Of Nicotinic Acetylcholine Receptors On Basophils." In American Thoracic Society 2012 International Conference, May 18-23, 2012 • San Francisco, California. American Thoracic Society, 2012. http://dx.doi.org/10.1164/ajrccm-conference.2012.185.1_meetingabstracts.a5739.

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Jogdand, Prajakta, Michiko Mori, Anders Bergqvist, Andrew Walls, Caroline Sanden, and Jonas Erjefält. "Mapping of eosinophil and basophils in COPD lung tissues." In Annual Congress 2015. European Respiratory Society, 2015. http://dx.doi.org/10.1183/13993003.congress-2015.pa384.

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Stevens, W., A. Staudacher, J. Poposki, et al. "Investigation of Basophils in Aspirin Exacerbated Respiratory Disease Pathogenesis." In American Thoracic Society 2019 International Conference, May 17-22, 2019 - Dallas, TX. American Thoracic Society, 2019. http://dx.doi.org/10.1164/ajrccm-conference.2019.199.1_meetingabstracts.a2370.

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Wright, Adam, Sarah Diver, Jamie Mccarthy, et al. "Mepolizumab does not alter blood basophil count in severe asthma." In ERS International Congress 2019 abstracts. European Respiratory Society, 2019. http://dx.doi.org/10.1183/13993003.congress-2019.pa4396.

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Calabrese, Cecilia, Gennaro Mazzarella, Francesco Perna, et al. "Basophil activation test for staphylococcus enterotoxins in severe asthmatic patients." In ERS International Congress 2016 abstracts. European Respiratory Society, 2016. http://dx.doi.org/10.1183/13993003.congress-2016.pa1086.

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Karasuyama, Hajime. "Emerging role of basophils in acquired protective immunity to tick infestation." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.92922.

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Shiraishi, Yoshiki, Katsuyuki Takeda, Yi Jia, et al. "Basophils Contribute To Allergic Rhinitis Through Engagement Of The Histamine H4 Receptor." In American Thoracic Society 2011 International Conference, May 13-18, 2011 • Denver Colorado. American Thoracic Society, 2011. http://dx.doi.org/10.1164/ajrccm-conference.2011.183.1_meetingabstracts.a4364.

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Wakahara, Keiko, Yoshihiro Suzuki, Akira Shiraki, et al. "Airway basophils are increased and correlated with eosinophilic inflammtaion in asthma and COPD." In Annual Congress 2015. European Respiratory Society, 2015. http://dx.doi.org/10.1183/13993003.congress-2015.pa612.

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Reports on the topic "Basophilia"

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Larson, David. Evaluation of Allergy Effector Cell Function: Suppression of Basophils in Chronic Helminth Infections. Defense Technical Information Center, 2011. http://dx.doi.org/10.21236/ad1013354.

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