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Academic literature on the topic 'Translocación cromosómica'
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Journal articles on the topic "Translocación cromosómica"
Alvarenga, Eliana, and Elodia Torres. "Síndrome de Wolf-Hirschhorn por translocación: a propósito de un caso." Pediatría (Asunción) 48, no. 2 (August 12, 2021): 142–46. http://dx.doi.org/10.31698/ped.48022021009.
Full textPadrón-Martínez, Miriam, Armando Partida-Gaytán, and Cecilia Ridaura-Sánz. "Preescolar masculino con Síndrome Prader-Willi y tromboembolia pulmonar." Acta Pediátrica de México 36, no. 2 (March 1, 2015): 105. http://dx.doi.org/10.18233/apm36no2pp105-113.
Full textPosso Álvarez, Julio César, Sandra Liliana Sinisterra Galarza, Gustavo Adolfo Vásquez Zapata, and Carolina Isaza de Lourido. "Estudio genético en embarazadas." Revista Colombiana de Obstetricia y Ginecología 55, no. 1 (March 30, 2004): 35–39. http://dx.doi.org/10.18597/rcog.610.
Full textReij, Andreas, Wolfgang Kress, Karl Wurm, Jens Benninghoff, Bruno Pfuhlmann, and Klaus-Petter Lescha. "Duplicación 15q14→pter: una anomalía cromosómica infrecuente subyacente al trastorno afectivo bipolar." European psychiatry (Ed. Española) 11, no. 6 (September 2004): 384–86. http://dx.doi.org/10.1017/s1134066500004781.
Full textAcosta Aragón, María Amparo, Julián Andrés Hamdan Pérez, Luisa María Morán Quiñones, and Diana Catherine Moreno Ortega. "Translocación cromosómica no balanceada t(5;7)(q22;p15) en un niño con anomalías congénitas: reporte de caso clínico." Revista de la Universidad Industrial de Santander. Salud 52, no. 1 (February 1, 2020): 51–59. http://dx.doi.org/10.18273/revsal.v52n1-2020007.
Full textValladares, Scarlet N., Migdelys A. Alejos, María A. Duarte, Alberto A. Frango, Mariana C. Eleizalde, Hector R. Rangel, and Ana F. Convit. "Validación de cebadores específicos para la detección de las variantes p190 y p210 del transcrito de fusión BCR/ ABL1 mediante reacción en cadena de la polimerasa con transcriptasa reversa en pacientes pediátricos con leucemia mieloide crónica y su confirmación por secuenciación." Gaceta Médica de Caracas 128, no. 3 (August 10, 2020): 416–24. http://dx.doi.org/10.47307/gmc.2020.128.3.19.
Full textRonceros, José, Yesica Llimpe, and Abelardo Arias. "Estudio citogenético preliminar en las diferentes fases de la leucemia mieloide crónica, en pacientes del Instituto Nacional de Enfermedades Neoplásicas (INEN) 2006-2009." Anales de la Facultad de Medicina 73 (May 7, 2013): 26. http://dx.doi.org/10.15381/anales.v73i1.2167.
Full textGuapi Nauñay, Víctor, Griselda De La Cruz Jiménez, and Sandra Mera Bastidas. "Translocación Robertsoniana entre los cromosomas (nº13/15): a propósito de un caso, hospital Luis G Dávila de Tulcán, año 2016." Medicina 22, no. 2 (December 15, 2020): 93–97. http://dx.doi.org/10.23878/medicina.v22i2.873.
Full textMachuca, Sergio Talavera Vargas. "Duplicación parcial 4q en un neonato originado por reordenamiento der (20), t(4;20) (q21;q13.1)mat." Revista Peruana de Investigación Materno Perinatal 5, no. 1 (January 3, 2016): 75–81. http://dx.doi.org/10.33421/inmp.201685.
Full textMendoza R., Luis, D. Benedito, A. Pellicer, F. Bonilla Musoles, and A. Millet. "Estudios citogenéticos en parejas con abortos de repetición." Revista Colombiana de Obstetricia y Ginecología 37, no. 2 (April 30, 1986): 125–30. http://dx.doi.org/10.18597/rcog.1891.
Full textDissertations / Theses on the topic "Translocación cromosómica"
Sinha, Roshani 1989. "Understanding the development of MLL-Rearranged leukemias : developing disease models." Doctoral thesis, Universitat Pompeu Fabra, 2016. http://hdl.handle.net/10803/565405.
Full textEn la mayoría de las leucemias humanas del lactante (> 60% de los casos de ALL, 35% de los casos de AML), se encuentran reordenamientos relacionados con el gen de la leucemia de linaje mixto (mixed lineage leukemia, MLL), que se asocian con un mal pronóstico de estos pacientes. También se encuentran en un pequeño porcentaje de casos de leucemias infantiles y de adultos (10% de casos), por lo que las leucemias con reordenamientos en MLL resultan ideales para este estudio. Hemos realizado la inducción de la translocación cromosómica leucémica MLL-ENL en las células hematopoyéticas en diferentes etapas de desarrollo, en el hígado fetal (fetal liver, FL E12.5) y en la médula ósea (bone marrow, BM P60), para desarrollar modelos de enfermedades que puedan recapitular las leucemias humanas del lactante y adultas, respectivamente. Después de evaluar varios modelos para inducir la recombinación de MLL-ENL, hemos generado de forma reproducible, leucemia en animales adultos con la línea de Mx1-Cre inducible por interferón. El modelo embrionario de leucemia inducida por MLL-ENL también se desarrolló con éxito parcial y es más agresivo en comparación con la leucemia en adultos. En conclusión, hemos desarrollado un nuevo modelo de leucemia embrionaria para estudiar la ontogenia de la leucemia del lactante.
Villa, Marcos Olaya. "Caracterización de reordenamientos cromosómicos asociados a fenotipo." Doctoral thesis, Universitat Pompeu Fabra, 2009. http://hdl.handle.net/10803/7193.
Full textOne of the main objectives of Genetics is the establishment of phenotype-genotype correlations. A correct diagnosis facilitates the clinical management of the patient and the possibility to offer a genetic counselling, with reproductive assessment to the families with a patient with a genetic disease. The identification of genes associated to pathology from cytogenetic alterations associated to phenotype is one of the methods of positional cloning. In this work we have based in two different models of cytogenetic alterations: balanced and unbalanced anomalies (translocations and marker chromosomes). We have characterized five patients of each group with different phenotypes, using a combination of cytogenetic and molecular techniques, with the objective of establish candidate genes associated to disease.
Godo, Pla Anna. "Anàlisi del contingut cromosòmic en espermatozoides d’individus portadors de translocacions: relació entre efecte intercromosòmic i segregació." Doctoral thesis, Universitat Autònoma de Barcelona, 2015. http://hdl.handle.net/10803/318798.
Full textCarriers of chromosomal translocations present a high risk of producing chromosomally abnormal gametes, as a consequence of an unbalanced segregation of the rearranged chromosomes, or the presence of numerical chromosomal anomalies derived from an interchromosomal effect. It is not known whether there exists a relationship between anomalies produced by these two events, but it might be based on the occurrence of heterosynapsis at the meiotic prophase I between multivalents and other chromosomes. Moreover, heterosynapsis has been associated related to changes in the nuclear chromosome architecture in sperm, which may also affect the fertility of reorganization carriers. The objectives of this thesis have been: i) To develop a sequential fluorescence in situ hybridization (FISH) protocol in order to detect numerical chromosomal abnormalities and to establish the segregation mode of rearranged chromosomes in the same spermatozoa; ii) To establish the segregation pattern of different chromosomal rearrangements in random sperm and in sperm with numerical abnormalities; iii) To determine whether there exists a relationship between certain segregation modes and the occurrence of numerical chromosome abnormalities; iv) To develop a methodology to evaluate the tridimensional distribution of chromosome territories in sperm nuclei. Semen samples of eight carriers of reciprocal translocations, eleven carriers of Robertsonian translocations and one carrier of a three-way translocation have been included in the study. In the first sequential FISH round, numerical anomalies for five chromosomes unrelated to the rearrangements have been analysed. In the second round, a segregation analysis has been performed both in the numerically abnormal sperm detected in the first round as well as in randomly assessed sperm. The optimization of the analysis of chromosome territories in sperm nuclei has included: nuclei classification according to their genotype, 3D image recording, relocalization of selected nuclei, digital images editing, data normalization, and prediction of the preferred position of each hybridization signal along the longitudinal and radial axis of spermatozoa. The segregation patterns obtained in randomly assessed sperm show high homogeneity among carriers of the same translocation. These patterns involve high frequencies of segregation modes that entail disjunction to opposite cellular poles of chromosomes with homologous centromeres. Data obtained from segregation analysis in aneuploid and diploid/multiple disomic sperm show altered segregation patterns when compared to randomly assessed sperm, in which unbalanced segregation modes are favoured while balanced segregation products decrease. Aneuploid sperm with different types of chromosomal abnormalities or different chromosomes involved in the aneuploidy have the same effect over the altered segregation pattern. The results obtained in the analysis of chromosome territories allow for the validation of the developed methodology. It has allowed the prediction of the preferred positioning of analysed chromosomes in sperm nuclei with different genotypes. In conclusion, data obtained point out that indeed there exists a relationship between the presence of numerical chromosome abnormalities and an unbalanced segregation content in sperm. This accumulation of chromosome anomalies in the same gametes would be driven by a bidirectional effect of heterosynapsis, which could entail changes in the nuclear positioning of the affected chromosomes, as well as alterations in chiasmata formation. The chromosome misalignment at metaphase plate would cause a meiotic arrest. If unresolved, cells could eventually evade this checkpoint favouring the accumulation of both unbalanced segregation products and aneuploidies for other chromosomes in the same gametes. The developed methodology to study the sperm nuclear architecture can be potentially used in carriers of chromosomal rearrangements, in order to assess whether chromosomal abnormalities in sperm affect the global nuclear chromosome organization and disturb their fertility.