Evolución genómica en el proceso de leucemogénesis en leucemia en células del donante post-trasplante alogénico de progenitores hematopoyéticos
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2020
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15/11/2019
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Universidad Complutense de Madrid
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Las neoplasias hematológicas (NH) engloban diversos tipos de proliferación tumoral delas células sanguíneas o de sus precursores localizados en la médula ósea (MO) y en los órganos linfoides. Las NHs comprenden un conjunto de enfermedades clásicamente definidas por criterios clínicos, morfológicos, citogenéticos y moleculares, que se comportan de manera heterogénea en su evolución, patogénesis, pronóstico y respuesta al tratamiento. El trasplante alogénico de progenitores hematopoyéticos (alo-TPH) es actualmente la única opción potencialmente curativa para muchos de estos pacientes. A pesar de que se han producido numerosos avances en la biología del alo-TPH, en el conocimiento de los ántigenos HLA, en los regímenes de acondicionamiento y en la profilaxis de la enfermedad injerto contra receptor (EICR) y de las infecciones; una proporción significativa de los pacientes desarrollan serias complicaciones post-alo-TPH,como EICR y/o recaída de la enfermedad primaría. Una complicación menos frecuente del alo-TPH es el desarrollo de una NH derivada de las células del donante (NHCD), que consiste en la transformación leucémica de las células sanas procedentes del donante en un paciente sometido a un alo-TPH...
Hematological neoplasms (HN) encompass various types of tumor proliferation of bloodcells or their precursors located in the bone marrow (BM) and lymphoid organs. The NHs comprise a group of diseases classically defined by clinical, morphological, cytogenetic and molecular criteria, which behave very heterogeneously in their evolution, pathogenesis, prognosis and response to treatment. Allogeneic hematopoietic stem cells transplantation (allo-HSCT) is currently the only potentially curative option for many of these patients. Although there have been numerous advances in the biology of allo-HSCT, in the knowledge of HLA-antigens, in conditioning regimens and in the prophylaxis of graft versus-host disease (GVHD) and infections; a significant proportion of patients develop serious complications post-allo-HSCT, such as GVHD and/or relapse of the primary disease. A less frequent complication of allo-HSCT is the development of a HN derived from donor cells (DCHN), which consists in the leukemic transformation of healthy cells from the donor in a patient undergoing allo-TPH...
Hematological neoplasms (HN) encompass various types of tumor proliferation of bloodcells or their precursors located in the bone marrow (BM) and lymphoid organs. The NHs comprise a group of diseases classically defined by clinical, morphological, cytogenetic and molecular criteria, which behave very heterogeneously in their evolution, pathogenesis, prognosis and response to treatment. Allogeneic hematopoietic stem cells transplantation (allo-HSCT) is currently the only potentially curative option for many of these patients. Although there have been numerous advances in the biology of allo-HSCT, in the knowledge of HLA-antigens, in conditioning regimens and in the prophylaxis of graft versus-host disease (GVHD) and infections; a significant proportion of patients develop serious complications post-allo-HSCT, such as GVHD and/or relapse of the primary disease. A less frequent complication of allo-HSCT is the development of a HN derived from donor cells (DCHN), which consists in the leukemic transformation of healthy cells from the donor in a patient undergoing allo-TPH...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Medicina, Departamento de Medicina, leída el 15-11-2019