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

Gianluca Gaidano, Antonino Carbone, Cristina Pastore, Daniela Capello, Anna Migliazza, Annunziata Gloghini, Silvio Roncella, Manlio Ferrarini, Giuseppe Saglio, Riccardo Dalla-Favera

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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 end 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 of BCL-6. Mutations were detected in all categories of AIDS- NHL (25 of 43 cases; 58%), including 12 of 20 AIDS-BL, 10 of 15 AIDS-DLCL, two of three AIDS-ALCL, and one of five of AIDS-BCBL. BCL-6 mutations occurred independent of BCL-6 rearrangements and presence of other genetic lesions frequently associated with AIDS-NHL. These results indicate that mutations of BCL-6 5' noncoding regions represent the most common genetic alteration presently detectable in AIDS-NHL. The frequency of these mutations, as well as their location in the proximity of BCL-6 regulatory sequences, suggest that they may play a role in AIDS-related lymphomagenesis.

Original languageEnglish
Pages (from-to)3755-3762
Number of pages8
JournalBlood
Volume89
Issue number10
Publication statusPublished - May 15 1997

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Viruses
Non-Hodgkin's Lymphoma
Introns
Exons
Acquired Immunodeficiency Syndrome
Genes
Cells
Mutation
Burkitt Lymphoma
Lymphoma, Large B-Cell, Diffuse
Anaplastic Large-Cell Lymphoma
Lymphoma
Mutation Rate
B-Lymphocytes

ASJC Scopus subject areas

  • Hematology

Cite this

Gaidano, G., Carbone, A., Pastore, C., Capello, D., Migliazza, A., Gloghini, A., ... Dalla-Favera, R. (1997). Frequent mutation of the 5' noncoding region of the BCL-6 gene in acquired immunodeficiency syndrome-related non-Hodgkin's lymphomas. Blood, 89(10), 3755-3762.

Frequent mutation of the 5' noncoding region of the BCL-6 gene in acquired immunodeficiency syndrome-related non-Hodgkin's lymphomas. / Gaidano, Gianluca; Carbone, Antonino; Pastore, Cristina; Capello, Daniela; Migliazza, Anna; Gloghini, Annunziata; Roncella, Silvio; Ferrarini, Manlio; Saglio, Giuseppe; Dalla-Favera, Riccardo.

In: Blood, Vol. 89, No. 10, 15.05.1997, p. 3755-3762.

Research output: Contribution to journalArticle

Gaidano, G, Carbone, A, Pastore, C, Capello, D, Migliazza, A, Gloghini, A, Roncella, S, Ferrarini, M, Saglio, G & Dalla-Favera, R 1997, 'Frequent mutation of the 5' noncoding region of the BCL-6 gene in acquired immunodeficiency syndrome-related non-Hodgkin's lymphomas', Blood, vol. 89, no. 10, pp. 3755-3762.
Gaidano, Gianluca ; Carbone, Antonino ; Pastore, Cristina ; Capello, Daniela ; Migliazza, Anna ; Gloghini, Annunziata ; Roncella, Silvio ; Ferrarini, Manlio ; Saglio, Giuseppe ; Dalla-Favera, Riccardo. / Frequent mutation of the 5' noncoding region of the BCL-6 gene in acquired immunodeficiency syndrome-related non-Hodgkin's lymphomas. In: Blood. 1997 ; Vol. 89, No. 10. pp. 3755-3762.
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AU - Capello, Daniela

AU - Migliazza, Anna

AU - Gloghini, Annunziata

AU - Roncella, Silvio

AU - Ferrarini, Manlio

AU - Saglio, Giuseppe

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