Frequent mutation of the 5' noncoding region of the BCL-6 gene in acquired immunodeficiency syndrome-related non-Hodgkin's lymphomas (original) (raw)

Blood, 1997

Abstract

Acquired immunodeficiency syndrome (AIDS)-related non-Hodgkin's lymphomas (AIDS-NHL), a major source of morbidity and mortality among human immunodeficiency virus (HIV)-infected individuals, are derived from B cells and are classified into two major categories, Burkitt's lymphoma (BL) and diffuse large cell lymphoma (DLCL). Anaplastic large cell lymphoma (ALCL) and body-cavity-based lymphoma (BCBL) represent less frequent AIDS-NHL types. The molecular pathogenesis of AIDS-NHL is characterized by distinct genetic pathways, including chromosomal rearrangements of c-MYC and BCL-6 in AIDS-BL and AIDS-DLCL, respectively. In addition to gross rearrangements, recent evidence has suggested that BCL-6 may also be affected by mutations of the gene 5' noncoding regions. Here we have investigated the distribution of BCL-6 mutations in a panel representative of all the AIDS-NHL subtypes. Forty-three AIDS-NHL were analyzed for mutations in the first exon-first intron boundary region o...

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