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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/22342


Title: Cytogenetics and fluorescence in-situ hybridization in detection of hematological malignancies
Authors: Frenny, V. J.
Antonella, Z.
Luisa, A.
Shah, A. D.
Sheth, J. J.
Rocchi, M.
Keywords: Cytogenetic, Fluorescence in-situ hybridization, Leukemia, Bacterial artificial chromosome, Phague artificial chromosome, Alphoid, Partial chromosome paint, Whole chromosome paint.
Issue Date: 31-Dec-2003
Publisher: Medknow Publications on behalf of Indian Cancer Society
Citation: Indian Journal of Cancer (ISSN: 0019-509X) Vol 40 Num 4
Abstract: BACKGROUND: The technique of Fluorescence In-Situ Hybridization (FISH), a hybrid of cytogenetics and molecular biology has increased the resolution and application of cytogenetics in various neoplastic processes. In various types of leukemias, primary investigation by conventional cytogenetic [CC] technique followed by FISH has increased our understanding of the abnormal clonal formation involving different gene region. AIMS: Present study is aimed to use different kinds of in-house FISH probes in various hematological malignancies and its correlation with conventional cytogenetic finding. MATERIAL AND METHODS: Cytogenetic study was carried out in 360 patients either from peripheral blood or from bone marrow cells suspected for various types of leukemias. Four of 360 cases were further selected for FISH study by using different types of in-house probes, such as BAC [Bacterial Artificial Chromosome], PAC [Phague Artificial Chromosome], alphoid, PCP [Partial Chromosome Paint] and WCP [Whole Chromosome paint]. RESULTS: The results confirmed breakpoints of inversion 16 and del 16 in case 2 and 3 respectively. Whereas, case 1 did not confirm the cytogenetic findings of t(15;17) by PML/RARa fusion signals as multiple cell lines were involved in the patients. PCP and WCP were helpful in the identification of the marker chromosome in case 1. Telomeric and centromeric probes confirmed the cytogenetic findings of t(5;7) in case 4. CONCLUSION: We observe from this study that, in addition to the conventional cytogenetic study, FISH study provide further confirmation of chromosomal rearrangements. This facilitates our understanding of the neoplastic process more precisely for the better prognostification of the patient.
URI: http://hdl.handle.net/1807/22342
Other Identifiers: http://www.bioline.org.br/abstract?id=cn03023
Rights: Copyright 2003 - Indian Journal Cancer.
Appears in Collections:Bioline International Legacy Collection

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