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Journal articles on the topic 'Peyers patches'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Sabzevary-Ghahfarokhi, M., A. Marshall, and J. Ghia. "A28 PROFILE OF ACTIVATED B-CELL EXPANSION IN THE DISTAL COLON AND MESENTERIC LYMPH NODES OF COLITIC MICE." Journal of the Canadian Association of Gastroenterology 8, Supplement_1 (2025): i11. https://doi.org/10.1093/jcag/gwae059.028.

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Abstract Background Gut B cells maintain homeostasis by producing IgA antibodies that control the entry of commensal bacteria and pathogens. An increase in the number of B cells in the inflamed colon was detected in ulcerative colitis (UC) patients. Pro-inflammatory IgG antibodies binding to commensal bacteria are significantly elevated in UC, promoting intestinal inflammation. Aims To determine the effects of intestinal inflammation on the B cell compartment using a preclinical model of UC. Methods 32 CD-1 WT males were treated for 6 days with 2.5% (w/v) dextran sulfate sodium (DSS), followed

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Sabzevary-Ghahfarokhi, M., A. Marshall, and J. Ghia. "A26 PROFILE OF ACTIVATED B-CELL EXPANSION IN THE DISTAL COLON AND MESENTERIC LYMPH NODES OF COLITIC MICE." Journal of the Canadian Association of Gastroenterology 8, Supplement_1 (2025): i10—i11. https://doi.org/10.1093/jcag/gwae059.026.

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Abstract Background Gut B cells maintain homeostasis by producing IgA antibodies that control the entry of commensal bacteria and pathogens. An increase in the number of B cells in the inflamed colon was detected in ulcerative colitis (UC) patients. Pro-inflammatory IgG antibodies binding to commensal bacteria are significantly elevated in UC, promoting intestinal inflammation. Aims To determine the effects of intestinal inflammation on the B cell compartment using a preclinical model of UC. Methods 32 CD-1 WT males were treated for 6 days with 2.5% (w/v) dextran sulfate sodium (DSS), followed

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3

V. H. Hryn and Yu. P. Kostylenko. "THE STRUCTURE OF LYMPHOID-ASSOCIATED EPITHELIUM OF PEYERS’ PATCHES OF THE ALBINO RATS’ SMALL INTESTINE." Clinical anatomy and operative surgery 18, no. 4 (2019): 67–75. http://dx.doi.org/10.24061/1727-0847.18.4.2019.11.

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Over the past two decades, there have been many publications dealing with the further development of an urgent issue on the immune system of the mucous membranes of the digestive tract, called mucoseassociated lymphoid tissue (MALT), which includes spheres of innate (non-specific) and adaptive (specific) immunity. Most structured formations and indicators of adaptive immunity in the intestinal mucosa are lymphoepithelial formation (Peyer's patches). The data on the formation of the peripheral part of the immune system are carried through the epithelium, mechanisms of interaction between pathog

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4

Reboldi, A., T. I. Arnon, L. B. Rodda, A. Atakilit, D. Sheppard, and J. G. Cyster. "IgA production requires B cell interaction with subepithelial dendritic cells in Peyers patches." Science 352, no. 6287 (2016): aaf4822. http://dx.doi.org/10.1126/science.aaf4822.

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5

Raina, Devisha. "Rare case of gastric extranodal marginal zone lymphoma." International Surgery Journal 8, no. 4 (2021): 1316. http://dx.doi.org/10.18203/2349-2902.isj20210992.

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True histiocytic lymphoma is considered a rare entity, and its diagnosis requires the concordance of morphological, immunophenotypic, and molecular findings. Gastric extra nodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT) is a B-cell non-Hodgkin lymphoma that arises in the stomach and has a perifollicular/marginal zone growth pattern. The lymphoma is derived from marginal zone B-cells and recapitulates the architecture and organization of native MALT exemplified by the Peyers’ patches in the terminal ileum. Marginal zone lymphoma of MALT (MALT lymphoma) is the mos

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6

Elghoul, Mahmoud, Mohamed Zidan, Doaa Zaghloul, and Amira Derballah. "The Histological Structure of the Ileal Peyers Patches of the Egyptian Water Buffalo (Bos Bubalus)." Alexandria Journal of Veterinary Sciences 54, no. 1 (2017): 168. http://dx.doi.org/10.5455/ajvs.263127.

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7

Alnabhani, Ziad, Nicolas Montcuquet, Camille Jung, et al. "Mo1790 NOD2 Induced Peyers Patches Dysfunction: Respective Roles of Immune and Epithelial Cells in Mouse." Gastroenterology 142, no. 5 (2012): S—685—S—686. http://dx.doi.org/10.1016/s0016-5085(12)62644-4.

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8

Haubrich, William S. "Peyer of Peyer’s Patches." Gastroenterology 129, no. 1 (2005): 85. http://dx.doi.org/10.1053/j.gastro.2005.06.010.

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9

Brimnes, Jens, Thomas Kraus, Ling Shao, Peter Boros, and Lloyd Mayer. "Induction of high and low dose oral tolerance in isolated small bowel loops with and without peyers patches." Gastroenterology 124, no. 4 (2003): A157. http://dx.doi.org/10.1016/s0016-5085(03)80778-3.

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10

KANEKO, Ken-ichi, Kohkichi UEHARA, and Masuo OGAWA. "Uptake of Killed Yersinia enterocolitica by Pseudopodia of M Cells in the Peyers' Patches of the Murine Small Intestines." Journal of Veterinary Medical Science 61, no. 10 (1999): 1175–77. http://dx.doi.org/10.1292/jvms.61.1175.

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11

Mooster, Jana, Severine Le Bras, John Manis та Raif Geha. "A heterozygous S32I mutation in IκBα that causes EDID results in defective development of lymphoid organs and impaired B cell function (68.13)". Journal of Immunology 188, № 1_Supplement (2012): 68.13. http://dx.doi.org/10.4049/jimmunol.188.supp.68.13.

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Abstract Autosomal ectodermal dysplasia with immunodeficiency (EDID) is caused by mutations in the inhibitor of NFκB α (IκBα), which is phosphorylated and degraded in response to several immune signaling pathways. We generated a mouse model of EDID by replacing one IκBα allele with a non-phosphorylatable IκBα, which resulted in decreased NFκB signaling. These mice have dysmorphic hair and teeth, as well as decreased serum immunoglobulins, and a severe decrease in their specific antibody response to T-dependent and T-independent antigens. The mice lack lymph nodes (LNs) and Peyers patches (PPs)

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12

Peach, RJ, D. Hollenbaugh, I. Stamenkovic, and A. Aruffo. "Identification of hyaluronic acid binding sites in the extracellular domain of CD44." Journal of Cell Biology 122, no. 1 (1993): 257–64. http://dx.doi.org/10.1083/jcb.122.1.257.

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CD44 is a polymorphic glycoprotein expressed on the surface of many tissues and cell lines which has been implicated in a number of cellular functions including lymphocyte homing to mucosal lymphoid tissue (Peyers patches), leukocyte activation, lymphopoiesis, and tumor metastasis. The predominant isoform found on human leukocytes, CD44H, is a receptor for hyaluronic acid. Because of the prominent role CD44 plays in diverse biological processes, we set out to identify the hyaluronic acid binding site(s) in the extracellular domain of CD44H. Using truncation and site-directed mutagenesis we ide

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Fazal, Nadeem. "Naturally occurring CD4+CD25+ T regulatory cells induced during burn injury exhibit decreased apoptosis." Journal of Immunology 212, no. 1_Supplement (2024): 1339_5902. http://dx.doi.org/10.4049/jimmunol.212.supp.1339.5902.

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Abstract The aim of this study was to characterize the molecular pathways of cell signaling of the immune system affected by burns. The adherent PP (Peyers Patches) and MLN (Mesenetric Lymph Nodes) cells were obtained from burn and burn-plus-peritonitis animals and cocultured with CD4+CD25- T cells from sham rat PP and MLN for 24-72 hours. At several time points during coculture, non-adherent T cells were separated and checked for CD25 expression and their apoptosis (Propidium iodide and Annexin V labeling followed by flow cytometry). The T cell apoptotic behavior was evaluated via measurement

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14

Fonseca, Denise, Luciana Benevides, Maria do Carmo Souza, et al. "Th17, Th22 and regulatory T cells are essential for controlling parasite burden and mucosal inflammation during Toxoplasma gondii infection (43.11)." Journal of Immunology 188, no. 1_Supplement (2012): 43.11. http://dx.doi.org/10.4049/jimmunol.188.supp.43.11.

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Abstract The Toxoplasma gondii infection induces intense intestinal inflammation and tissue damage in susceptible hosts. Here, we studied the regulation of immune response during intestinal mucosal inflammation induced by T. gondii, focusing on the role of Th17, Th22 and regulatory T cells (Tregs). C57BL/6-susceptible and BALB/c-resistant mice orally infected with T. gondii exhibited increased frequencies of Th17 and Th22 cells in Lamina Propria and Peyers patches during disease progression. However, whereas C57BL/6 mice exhibited higher frequency of Th17, BALB/c mice showed higher counts of T

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Mazurkevych, T. A., та V. T. Khomych. "Особливості локалізації лімфоїдної тканини в імунних утвореннях стінки кишечнику, дивертикулі меккеля і сліпокишкових дивертикулах качок". Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 19, № 82 (2017): 30–35. http://dx.doi.org/10.15421/nvlvet8207.

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Mucous associated lymphoid tissue has a special place in the immune system, forming the first protective barrier against antigens that enter the body with food and air. In birds 70% of lymphoid tissue that forms the parenchyma of peripheral immune organs localized in the mucosa of tubular digestive organs. Recently, in the literature there have been reports that lymphoid tissue in tubular digestive organs of waterfowl (geese, musk ducks) can not be localized only in the mucosa, but also in muscularis. In this context, the aim of the study was to determine the features of lymphoid tissue locali

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Leong, Stanley P., Alexander Pissas, Muriel Scarato, et al. "The lymphatic system and sentinel lymph nodes: conduit for cancer metastasis." Clinical & Experimental Metastasis 39, no. 1 (2021): 139–57. http://dx.doi.org/10.1007/s10585-021-10123-w.

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AbstractThe lymphatic system is a complicated system consisting of the lymphatic vessels and lymph nodes draining the extracellular fluid containing cellular debris, excess water and toxins to the circulatory system. The lymph nodes serve as a filter, thus, when the lymph fluid returns to the heart, it is completely sterile. In addition, the lymphatic system includes the mucosa-associated lymphoid tissue, such as tonsils, adenoids, Peyers patches in the small bowel and even the appendix. Taking advantage of the drainage system of the lymphatics, cancer cells enter the lymphatic vessels and the

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17

Khomych, Volodymyr, and Olha Fedorenko. "IMMUNOHISTOCHEMICAL CHARACTERISATION OF LYMPHOID POPULATIONS IN RABBIT JEJUNAL PEYER’S PATCH." EUREKA: Life Sciences, no. 5 (September 30, 2020): 16–20. http://dx.doi.org/10.21303/2504-5695.2020.001402.

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Rabbits are an important livestock animal species, which are used for their meat and fur. Nowadays they are also becoming more popular as pets. Furthermore, rabbits are commonly used in research, inter alia in immunological studies and for studying pathogenesis of human and animal diseases. The lymphoid tissue is abundant in the rabbit intestine and a lot of it is concentrated in Peyer's patches, the majority of which is located in the jejunum. Understanding of the rabbit Peyer's patches functions is essential for the prevention and treatment of their diseases. In order to enhance it, ac

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18

Zeiser, Robert, Vu Nguyen, Martin Buess, et al. "Prevention of Acute Graft-Versus-Host Disease by CD4+CD25+ Regulatory T Cells Is Dependent on the CD30/CD153 Pathway." Blood 106, no. 11 (2005): 1299. http://dx.doi.org/10.1182/blood.v106.11.1299.1299.

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Abstract CD4+CD25+ regulatory T (Treg) cells suppress acute graft versus host disease (aGVHD), prevent autoimmunity and delay allograft rejection. CD30 and other TNF-R family members have been demonstrated to be expressed by Treg and to function as alternative costimulatory pathways for T cell activation. In this study we assessed the significance of the CD30/CD153 pathway in Tregs suppression of aGVHD in a murine major MHC mismatch BMT model. Using bioluminescence imaging proliferation of donor derived luciferase-labeled CD4+ and CD8+ T cells was quantified at serial time points after transpl

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19

Robbiani, Davide F., Kaity Colon, Kruti Naik, et al. "Enforced BCL6 Expression Inhibits B Cell Development in Vivo." Blood 104, no. 11 (2004): 1535. http://dx.doi.org/10.1182/blood.v104.11.1535.1535.

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Abstract The B-Cell Lymphoma 6 (BCL6) gene encodes for a zinc finger motifs containing transcriptional repressor that is frequently dysregulated by chromosomal translocations in germinal center lymphomas. A putative protooncogene, its transforming ability in vivo was reported in I-mu-HA-BCL6 knock-in mice by Cattoretti et al last year. We also tested this assumption in transgenic mice expressing BCL6 in B cells under the control of kappa light chain regulatory elements. We replaced the murine C-kappa locus with the 16kb human BCL6 genomic locus in a construct containing the murine kappa light

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20

Kostylenko, Yu P., V. H. Hryn, O. S. Maksymenko, et al. "AĞ SİÇOVULLARIN NAZİK BAĞIRSAQLARINDA OLAN PEYER DÜYÜNLƏRİ İLƏ BÖYÜK PİYLİYİN SÜDLÜ LƏKƏLƏRİNİN OXŞARLIQ VƏ FƏRQLƏRİ." Azerbaijan Medical Journal, no. 4 (December 20, 2023): 126–33. http://dx.doi.org/10.34921/amj.2023.4.018.

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The article presents the results of a study aimed at comparing the basic structural organization of Peyer's patches in the small intestine with milky spots in the greater omentum of white rats. The experiment involved 20 white male rats of reproductive age, weighing between 278.08 and 346.47 grams. The materials included preparations of the small intestine with visualized Peyer's patches and preparations of the greater omentum fixed in a 10% solution of neutral formalin. Additionally, total preparations of the greater omentum were stained with hematoxylin-eosin. Peyer's patches in the small in

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21

HEEL, KATHRYN A., ROSALIE D. McCAULEY, JOHN M. PAPADIMITRIOU, and JOHN C. HALL. "REVIEW: Peyer's patches." Journal of Gastroenterology and Hepatology 12, no. 2 (1997): 122–36. http://dx.doi.org/10.1111/j.1440-1746.1997.tb00395.x.

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22

Stojanovskyj, V. G., та M. T. Ogrodnyk. "ФУНКЦІОНУВАННЯ ІМУННОГО БАР'ЄРУ КИШЕЧНИКА ПОРОСЯТ ЗА ДІЇ ТЕХНОЛОГІЧНОГО СТРЕСУ". Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 18, № 3(71) (2016): 112–16. http://dx.doi.org/10.15421/nvlvet7126.

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The article presents the results of the study of the functional state structures intestinal immune piglets growing industrial and post–action process stress–weaning. It was established that the small intestine of piglets before and after weaning operates a big yeyuno–ilealPeyer’s patche and small Peyer’s patches. The structure of yeyuno–ileal Peyer’s patche of pigs 28–day age (weaning) at the macroscopic level allocated separate nodules that are intensely stained and clearly different, especially in the caudal part that can point to a marked reactivity of lymphoid tissue that forms their basis

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23

Mishra, Anil, Simon P. Hogan, Eric B. Brandt, and Marc E. Rothenberg. "Peyer's patch eosinophils: identification, characterization, and regulation by mucosal allergen exposure, interleukin-5, and eotaxin." Blood 96, no. 4 (2000): 1538–44. http://dx.doi.org/10.1182/blood.v96.4.1538.

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Abstract The gastrointestinal immune system is traditionally thought to be composed of lymphocytes located within Peyer's patches and the lamina propria. We have recently reported that eosinophils also reside in the gastrointestinal tract during healthy states, in particular, within the lamina propria, and that these cells substantially increase after oral allergen exposure. We now demonstrate the presence of eosinophils in Peyer's patches and characterize the signals that regulate the accumulation of eosinophils in Peyer's patches. In contrast to the lamina propria, intestinal Peyer's patches

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Mishra, Anil, Simon P. Hogan, Eric B. Brandt, and Marc E. Rothenberg. "Peyer's patch eosinophils: identification, characterization, and regulation by mucosal allergen exposure, interleukin-5, and eotaxin." Blood 96, no. 4 (2000): 1538–44. http://dx.doi.org/10.1182/blood.v96.4.1538.h8001538_1538_1544.

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The gastrointestinal immune system is traditionally thought to be composed of lymphocytes located within Peyer's patches and the lamina propria. We have recently reported that eosinophils also reside in the gastrointestinal tract during healthy states, in particular, within the lamina propria, and that these cells substantially increase after oral allergen exposure. We now demonstrate the presence of eosinophils in Peyer's patches and characterize the signals that regulate the accumulation of eosinophils in Peyer's patches. In contrast to the lamina propria, intestinal Peyer's patches have ver

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Sharma, Ram, Udo Schumacher, and Elizabeth Adam. "Lectin Histochemistry Reveals the Appearance of M-cells in Peyer's Patches of scid Mice After Syngeneic Normal Bone Marrow Transplantation." Journal of Histochemistry & Cytochemistry 46, no. 2 (1998): 143–48. http://dx.doi.org/10.1177/002215549804600202.

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Peyer's patches in the intestinal mucosa are characterized by the presence of several lymphatic follicles and interfollicular T-cell regions. Luminal antigens are transported across the intestinal epithelium to stimulate the Peyer's patch pre-B-cells in the follicles that proliferate and migrate to distant sites. Evidence suggests that antigen priming of B-lymphocytes is responsible for the number and location of Peyer's patches during postnatal life, but little is known about the histogenesis of Peyer's patches and their overlying membranous (M) cells. To examine whether T- and B-lymphocytes

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26

Finke, Daniela, and Jean-Pierre Kraehenbuhl. "Formation of Peyer's patches." Current Opinion in Genetics & Development 11, no. 5 (2001): 561–67. http://dx.doi.org/10.1016/s0959-437x(00)00233-1.

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27

Carlson, Michael J., Hans E. Siedel, and Jonathan S. Serody. "CD62L Is Not Critical for T Regulatory Cell-Mediated Protection from Lethal Acute GVHD." Blood 110, no. 11 (2007): 2178. http://dx.doi.org/10.1182/blood.v110.11.2178.2178.

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Abstract INTRODUCTION: Graft-versus-host disease (GVHD) is a major complication following allogeneic bone marrow transplantation. Despite advances in understanding the etiology of GVHD it remains a formidable obstacle to the widespread application of BMT. T regulatory (Treg) cells have been shown to inhibit GVHD while preserving the beneficial graft-versus-leukemia (GVL) effect. Published studies by numerous groups, including our own, have shown the importance of Treg homing molecule expression in preventing GVHD. Of note, the Treg population that expressed high levels of the adhesion molecule

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Liebier, Elisabeth M., Christine Lemke, and Joachim F. Pohlenz. "Ultrastructural study of the uptake of ferritin by M cells in the follicle-associated epithelium in the small and large intestines of pigs." American Journal of Veterinary Research 56, no. 6 (1995): 725–30. http://dx.doi.org/10.2460/ajvr.1995.56.06.725.

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SUMMARY Uptake of ferritin by M cells in follicle-associated epithelium at various sites in the small and large intestines was examined in 4 healthy 5-week-old pigs by use of electron microscopy. A 2.5% solution of ferritin in saline was injected into ligated loops of the jejunum and ileum containing aggregations of lymphoid follicles (Peyer's patches), as well as into intestinal loops containing lymphoglandular complexes at the ileocecal junction, in the central colonic flexure, and in the rectum. As negative control, saline solution was injected into loops at identical localizations. After a

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Pron, Benedicte, Claire Boumaila, Francis Jaubert, et al. "Comprehensive Study of the Intestinal Stage of Listeriosis in a Rat Ligated Ileal Loop System." Infection and Immunity 66, no. 2 (1998): 747–55. http://dx.doi.org/10.1128/iai.66.2.747-755.1998.

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ABSTRACT The intestinal stage of listeriosis was studied in a rat ligated ileal loop system. Listeria monocytogenes translocated to deep organs with similar efficiencies after inoculation of loops with or without Peyer’s patches. Bacterial seeding of deep organs was demonstrated as early as 15 min after inoculation. It was dose dependent and nonspecific, as the ΔinlAB, theΔhly, and the ΔactA L. monocytogenesmutants and the nonpathogenic species, Listeria innocua, translocated similarly to wild-type L. monocytogenesstrains. The levels of uptake of listeriae by Peyer’s patches and villous intest

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Kunkel, Eric J., Carroll L. Ramos, Douglas A. Steeber та ін. "The Roles of L-Selectin, β7 Integrins, and P-Selectin in Leukocyte Rolling and Adhesion in High Endothelial Venules of Peyer’s Patches". Journal of Immunology 161, № 5 (1998): 2449–56. http://dx.doi.org/10.4049/jimmunol.161.5.2449.

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Abstract Lymphocyte trafficking into Peyer’s patches requires β7 integrins and L-selectin. Here, we use intravital microscopy to examine leukocyte rolling and adhesion in Peyer’s patch high endothelial venules (HEV) of wild-type, L-selectin-deficient (L−/−), β7 integrin-deficient (β7−/−), and β7/L−/− mice. Although the leukocyte rolling flux fraction was reduced by 70%, Peyer’s patches in L−/− mice were of normal size and cellularity. In β7−/− mice, the rolling flux fraction was normal, but the number of adherent leukocytes in HEV was greatly reduced. The median leukocyte rolling velocity was

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31

Béné, M. C., та G. C. Faure. "From Peyerʼs Patches to Tonsils". Drugs 54, Supplement 1 (1997): 24–28. http://dx.doi.org/10.2165/00003495-199700541-00007.

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32

Shepherd, Neil A., Peter R. Crocker, Adrian P. Smith, and David A. Levison. "Exogenous pigment in Peyer's patches." Human Pathology 18, no. 1 (1987): 50–54. http://dx.doi.org/10.1016/s0046-8177(87)80193-4.

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Gebert, Andreas, Ivo Steinmetz, Susanne Fassbender, and Karl-Heinz Wendlandt. "Antigen Transport into Peyer's Patches." American Journal of Pathology 164, no. 1 (2004): 65–72. http://dx.doi.org/10.1016/s0002-9440(10)63097-0.

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Dempsey, Laurie A. "IL-22 in Peyer's patches." Nature Immunology 18, no. 7 (2017): 715. http://dx.doi.org/10.1038/ni.3786.

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Miura, S., H. Serizawa, Y. Tsuzuki, et al. "Vasoactive intestinal peptide modulates T lymphocyte migration in Peyer's patches of rat small intestine." American Journal of Physiology-Gastrointestinal and Liver Physiology 272, no. 1 (1997): G92—G99. http://dx.doi.org/10.1152/ajpgi.1997.272.1.g92.

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Although vasoactive intestinal peptide (VIP) has been postulated to function in modulation of T cell trafficking, the exact mechanism has not been elucidated in vivo. In the present study, the effects of VIP on T lymphocyte migration were examined in rat Peyer's patches. T lymphocytes collected from intestinal lymph of rats were labeled with carboxyfluorescein diacetate succinimidyl ester and injected into the jugular vein. Peyer's patches of the recipient rats were observed with intravital fluorescence microscopy. In vivo intra-arterial infusion of or in vitro incubation with VIP did not affe

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Stanisz, A. M., R. Scicchitano, P. Dazin, J. Bienenstock, and D. G. Payan. "Distribution of substance P receptors on murine spleen and Peyer's patch T and B cells." Journal of Immunology 139, no. 3 (1987): 749–54. http://dx.doi.org/10.4049/jimmunol.139.3.749.

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Abstract Previous studies have demonstrated that the sensory neuropeptide substance P (SP) can modulate immune responses in vitro. Work from this laboratory has shown that SP enhances immunoglobulin synthesis by murine splenic and Peyer's patch lymphocytes stimulated with concanavalin A. One mechanism underlying these effects is the binding of SP to specific receptors on lymphocytes. We examined the distribution of SP receptors on murine T and B lymphocytes and their subsets by one and two color fluorescence-activated cell sorter analysis. The specificity and nature of binding was examined usi

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Oellerich, Mark F., Christoph A. Jacobi, Sandra Freund, et al. "Yersinia enterocolitica Infection of Mice Reveals Clonal Invasion and Abscess Formation." Infection and Immunity 75, no. 8 (2007): 3802–11. http://dx.doi.org/10.1128/iai.00419-07.

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ABSTRACT Yersinia enterocolitica is a common cause of food-borne gastrointestinal disease leading to self-limiting diarrhea and mesenteric lymphadenitis. Occasionally, focal abscess formation in the livers and spleens of certain predisposed patients (those with iron overload states such as hemochromatosis) is observed. In the mouse oral infection model, yersiniae produce a similar disease involving the replication of yersiniae in the small intestine, the invasion of Peyer's patches, and dissemination to the liver and spleen. In these tissues and organs, yersiniae are known to replicate predomi

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Heidegger, Simon, David Anz, Nicolas Stephan, et al. "Virus-associated activation of innate immunity induces rapid disruption of Peyer’s patches in mice." Blood 122, no. 15 (2013): 2591–99. http://dx.doi.org/10.1182/blood-2013-01-479311.

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Key Points Systemic virus infection leads to rapid disruption of the Peyer’s patches but not of peripheral lymph nodes. Virus-associated innate immune activation and type I IFN release blocks trafficking of B cells to Peyer’s patches.

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Biskou, Olga, Felipe Meira de-Faria, Susanna M. Walter, et al. "Increased Numbers of Enteric Glial Cells in the Peyer’s Patches and Enhanced Intestinal Permeability by Glial Cell Mediators in Patients with Ileal Crohn’s Disease." Cells 11, no. 3 (2022): 335. http://dx.doi.org/10.3390/cells11030335.

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Enteric glial cells (EGC) are known to regulate gastrointestinal functions; however, their role in Crohn’s disease (CD) is elusive. Microscopic erosions over the ileal Peyer’s patches are early signs of CD. The aim of this work was to assess the localization of EGC in the follicle and interfollicular region of the Peyer’s patches and in the lamina propria and study the effects of EGC mediators on barrier function in CD patients and non-inflammatory bowel disease (non-IBD) controls. EGC markers, glial fibrillary acidic protein (GFAP), and S100 calcium-binding protein β (S100β) were quantified b

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Velin, Dominique, Grigorios Fotopoulos, Jean-Pierre Kraehenbuhl, and Hans Acha-Orbea. "Systemic Antibodies Can Inhibit Mouse Mammary Tumor Virus-Driven Superantigen Response in Mucosa-Associated Lymphoid Tissues." Journal of Virology 73, no. 2 (1999): 1729–33. http://dx.doi.org/10.1128/jvi.73.2.1729-1733.1999.

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ABSTRACT Many mucosal pathogens invade the host by initially infecting the organized mucosa-associated lymphoid tissue (o-MALT) such as Peyer’s patches or nasal cavity-associated lymphoid tissue (NALT) before spreading systemically. There is no clear demonstration that serum antibodies can prevent infections in o-MALT. We have tested this possibility by using the mouse mammary tumor virus (MMTV) as a model system. In peripheral lymph nodes or in Peyer’s patches or NALT, MMTV initially infects B lymphocytes, which as a consequence express a superantigen (SAg) activity. The SAg molecule induces

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Plant, Laura, and Patricia Conway. "Association of Lactobacillus spp. with Peyer's Patches in Mice." Clinical Diagnostic Laboratory Immunology 8, no. 2 (2001): 320–24. http://dx.doi.org/10.1128/cdli.8.2.320-324.2001.

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ABSTRACT Sixteen strains of Lactobacillus isolated from humans, mice, and food products were screened for their capacity to associate with Peyer's patches in mice. In preliminary experiments, in vitro binding to tissue pieces was assessed by scanning electron microscopy, and it was demonstrated qualitatively that 5 of the 16 strains showed some affinity for the Peyer's patches, irrespective of their association with the nonlymphoid intestinal tissue. Lactobacillus fermentum KLD was selected for further study, since, in addition to its intrinsically high adhesion rate, this organism was found t

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Okada, Takaharu, Vu N. Ngo, Eric H. Ekland, et al. "Chemokine Requirements for B Cell Entry to Lymph Nodes and Peyer's Patches." Journal of Experimental Medicine 196, no. 1 (2002): 65–75. http://dx.doi.org/10.1084/jem.20020201.

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B cell entry to lymph nodes and Peyer's patches depends on chemokine receptor signaling, but the principal chemokine involved has not been defined. Here we show that the homing of CXCR4−/− B cells is suppressed in CCL19 (ELC)- and CCL21 (SLC)-deficient paucity of lymph node T cells mice, but not in wild-type mice. We also find that CXCR4 can contribute to T cell homing. Using intravital microscopy, we find that B cell adhesion to high endothelial venules (HEVs) is disrupted when CCR7 and CXCR4 are predesensitized. In Peyer's patches, B cell entry is dependent on CXCR5 in addition to CCR7/CXCR4

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Spencer, J., T. Finn, and P. G. Isaacson. "Human Peyer's patches: an immunohistochemical study." Gut 27, no. 4 (1986): 405–10. http://dx.doi.org/10.1136/gut.27.4.405.

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Brandtzaeg, Per, and Knut Bjerke. "Immunomorphological Characteristics of Human Peyer’s Patches." Digestion 46, no. 2 (1990): 262–73. http://dx.doi.org/10.1159/000200396.

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Khasanov, B.B. "PEYER'S PATCHES' STRUCTURAL AND FUNCTIONAL FEATURES." Annali d'Italia 34 (August 23, 2022): 35–41. https://doi.org/10.5281/zenodo.7016722.

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The paper presents a brief overview of structural and functional features of Peyer's patches or so-called group lymphoid nodules, which are part of immune system associated with intestinal mucosa. The literature presented contains the latest data on structural and functional zones, their cellular components and functions.

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Karapetian, O., A. N. Shakhov, J. P. Kraehenbuhl, and H. Acha-Orbea. "Retroviral infection of neonatal Peyer's patch lymphocytes: the mouse mammary tumor virus model." Journal of Experimental Medicine 180, no. 4 (1994): 1511–16. http://dx.doi.org/10.1084/jem.180.4.1511.

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Mouse mammary tumor virus is known to infect newborn mice via mother's milk. A proposed key step for viral spread to the mammary gland is by the infection of lymphocytes. We show here that although in suckling mice retroviral proteins are found in all epithelial cells of the gut, viral DNA is exclusively detectable in the Peyer's patches. As early as 5 d after birth the infection leads to a superantigen response in the Peyer's patches but not in other lymphoid organs draining the intestine. Viral DNA can be detected before the superantigen response and becomes first evident in the Peyer's patc

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Pisano, Fabio, Annika Kochut, Frank Uliczka, et al. "In Vivo-Induced InvA-Like Autotransporters Ifp and InvC of Yersinia pseudotuberculosis Promote Interactions with Intestinal Epithelial Cells and Contribute to Virulence." Infection and Immunity 80, no. 3 (2011): 1050–64. http://dx.doi.org/10.1128/iai.05715-11.

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TheYersinia pseudotuberculosisIfp and InvC molecules are putative autotransporter proteins with a high homology to the invasin (InvA) protein. To characterize the function of these surface proteins, we expressed both factors inEscherichia coliK-12 and demonstrated the attachment of Ifp- and InvC-expressing bacteria to human-, mouse-, and pig-derived intestinal epithelial cells. Ifp also was found to mediate microcolony formation and internalization into polarized human enterocytes. TheifpandinvCgenes were not expressed underin vitroconditions but were found to be induced in the Peyer's patches

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Silvey, Katherine J., Amy B. Hutchings, Michael Vajdy, Mary M. Petzke, and Marian R. Neutra. "Role of Immunoglobulin A in Protection against Reovirus Entry into Murine Peyer's Patches." Journal of Virology 75, no. 22 (2001): 10870–79. http://dx.doi.org/10.1128/jvi.75.22.10870-10879.2001.

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ABSTRACT Reovirus type 1 Lang (T1L) infects the mouse intestinal mucosa by adhering specifically to epithelial M cells and exploiting M-cell transport to enter the Peyer's patches. Oral inoculation of adult mice has been shown to elicit cellular and humoral immune responses that clear the infection within 10 days. This study was designed to determine whether adult mice that have cleared a primary infection are protected against viral entry upon oral rechallenge and, if so, whether antireovirus secretory immunoglobulin A (S-IgA) is a necessary component of protection. Adult BALB/c mice that wer

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Hryn, V. H., Y. P. Kostylenko, and K. V. Hryn. "GENERAL HISTOLOGICAL CHARACTERISTICS OF LYMPHOID NODULES OF PEYER’S PATCHES OF THE SMALL INTESTINE IN ALBINO RATS AFTER ADMINISTRATION OF A BROAD-SPECTRUM ANTIBIOTIC." Medical and Ecological Problems 24, no. 3-4 (2020): 19–23. http://dx.doi.org/10.31718/mep.2020.24.3-4.05.

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Administration of an antibiotic by any route can cause dysbacteriosis, but its risk is the highest when taken orally, since the drug gets directly into the intestine, affecting microflora. After administration of a broad-spectrum antibiotic, Peyer’s patches of the small intestine of albino rats remained unchanged both topographically and in their total amount. But at the same time, their total area is more than doubled, which, according to our data, becomes possible due to the appearance of a new generation of lymphoid nodules in them. The aim of the research was to study the histological char

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Volodymyr, Khomych, and Fedorenko Olha. "IMMUNOHISTOCHEMICAL CHARACTERISATION OF LYMPHOID POPULATIONS IN RABBIT JEJUNAL PEYER'S PATCH." EUREKA: Life Sciences, no. 5 (September 30, 2020): 16–20. https://doi.org/10.21303/2504-5695.2020.001402.

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Rabbits are an important livestock animal species, which are used for their meat and fur. Nowadays they are also becoming more popular as pets. Furthermore, rabbits are commonly used in research, inter alia in immunological studies and for studying pathogenesis of human and animal diseases. The lymphoid tissue is abundant in the rabbit intestine and a lot of it is concentrated in Peyer's patches, the majority of which is located in the jejunum. Understanding of the rabbit Peyer's patches functions is essential for the prevention and treatment of their diseases. In order to enhance it,

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