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dc.creatorTravella, Ana Carolina-
dc.creatorRipollés, Lorena-
dc.creatorAventin, Anna-
dc.creatorRodríguez, Andrea-
dc.creatorBezares, Raimundo F.-
dc.creatorCaballín, María Rosa-
dc.creatorSlavutsky, Irma Rosa-
dc.date2017-07-18T20:01:05Z-
dc.date2017-07-18T20:01:05Z-
dc.date2013-06-
dc.date2017-07-17T21:14:00Z-
dc.date.accessioned2019-04-29T15:34:55Z-
dc.date.available2019-04-29T15:34:55Z-
dc.date.issued2017-07-18T20:01:05Z-
dc.date.issued2017-07-18T20:01:05Z-
dc.date.issued2013-06-
dc.date.issued2017-07-17T21:14:00Z-
dc.identifierTravella, Ana Carolina; Ripollés, Lorena; Aventin, Anna; Rodríguez, Andrea; Bezares, Raimundo F.; et al.; Structural alterations in chronic lymphocytic leukemia: cytogenetic and FISH analysis; Wiley; Hematological Oncology; 31; 2; 6-2013; 339-347-
dc.identifier0278-0232-
dc.identifierhttp://hdl.handle.net/11336/20864-
dc.identifierCONICET Digital-
dc.identifierCONICET-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/297097-
dc.descriptionIn this study, we described cytogenetics and fluorescence in situ hybridization (FISH) analysis performed in chronic lymphocytic leukaemia (CLL) patients with structural alterations. Results were correlated with clinical characteristics. A total of 38 CLL patients: 16 cases with complex and 22 with simple karyotypes were studied. For comparison of clinical parameters, a control group of 78 CLL patients with normal karyotype and without FISH genomic alterations were also evaluated. We found 38 structural abnormalities not previously described in the literature, 28 (74%) of them were translocations. In cases with complex karyotypes, chromosomes 6, 8 and 13 were the most frequently involved in new alterations (nine each), followed by chromosomes 12, 14 and 15 (six each). Chromosome 8p was particularly involved in losses, being 8p21-pter the commonest region of overlap. Cases with simple karyotypes, showed del(6q) as the most frequent alteration (39%). Del(9)(q11) was recurrent in our series. Analysis of clinical parameters showed significant differences in white blood count (p = 0.005) and platelet count (p = 0.015) between patients with structural alterations and the control group. In addition, patients with structural alterations had a significantly shorter time to first treatment (TFT) (29 months) than the control group (69 months) (p = 0.037). Cases with complex karyotypes had a lower proportion of patients in Rai 0 clinical stage (15.4% vs 75%) (p = 0.005) and higher β2 microglobulin levels (3.3 vs 2.5 µg/mL) (p = 0.037) than those with simple karyotypes. Furthermore, a shorter TFT (13 months) and overall survival (56 months) in the complex karyotypes group compared with controls (69 and 144 months, respectively) (p = 0.015 and p = 0.005, respectively) were also found. Our results support the importance of cytogenetic analysis for clinical outcome in CLL and suggest that the diversity of genomic alterations is much greater than previously appreciated.-
dc.descriptionFil: Travella, Ana Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina-
dc.descriptionFil: Ripollés, Lorena. Universitat Autònoma de Barcelona; España-
dc.descriptionFil: Aventin, Anna. Hospital de Sant Pau; España-
dc.descriptionFil: Rodríguez, Andrea. Academia Nacional de Medicina de Buenos Aires. Instituto de Investigaciones Hematológicas "Mariano R. Castex"; Argentina-
dc.descriptionFil: Bezares, Raimundo F.. Gobierno de la Ciudad de Buenos Aires. Hospital General de Agudos "Dr. Teodoro Álvarez"; Argentina-
dc.descriptionFil: Caballín, María Rosa. Universitat Autònoma de Barcelona; España-
dc.descriptionFil: Slavutsky, Irma Rosa. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Medicina Experimental. Academia Nacional de Medicina de Buenos Aires. Instituto de Medicina Experimental; Argentina-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherWiley-
dc.relationinfo:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/hon.2025/abstract-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/hon.2025-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.subjectCHRONIC LYMPHOCYTIC LEUKAEMIA-
dc.subjectCYTOGENETICS-
dc.subjectFISH-
dc.subjectCOMPLEX KARYOTYPES-
dc.subjectGenética Humana-
dc.subjectMedicina Básica-
dc.subjectCIENCIAS MÉDICAS Y DE LA SALUD-
dc.titleStructural alterations in chronic lymphocytic leukemia: cytogenetic and FISH analysis-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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