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Sunday, February 17, 2013

Array-CGH Analysis of Cutaneous Anaplastic Large Cell Lymphoma.


Array-CGH Analysis of Cutaneous Anaplastic Large Cell Lymphoma.


2013

Source

Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, The Netherlands.

Abstract

This chapter describes a study in which the pattern of numerical chromosomal alterations in cutaneous anaplastic large cell lymphoma (C-ALCL) tumor samples was defined using array-based comparative genomic hybridization (CGH). First, the array-based CGH technique applied is outlined in detail. Next, its application in the analysis of C-ALCL tumor specimens is described. This approach resulted in the identification of highly recurrent chromosomal alterations in C-ALCL that include gain of 7q31 and loss on 6q16-6q21 and 13q34, each affecting 45% of the patients. The pattern characteristic of C-ALCL differs markedly from chromosomal alterations observed in other CTCL such as mycosis fungoides and Sézary syndrome and yielded several candidate genes with potential relevance in the pathogenesis of C-ALCL.

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