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Frequent somatic hypermutation of the 5' noncoding region of the BCL6 gene in B-cell lymphoma.
Open accessAbstract
The BCL6 gene encodes a zinc-finger transcription factor and is altered by chromosomal arrangements in its 5' noncoding region in approximately 30% of diffuse large-cell lymphoma (DLCL). We report here that, in 22/30 (73%) DLCL and 7/15 (47%) follicular lymphoma (FL), but not in other tumor types, the BCL6 gene is also altered by multiple (1.4 x 10(-3) -1.6 x 10(-2) per bp), often biallelic, mutations clustering in its 5' noncoding region. These mutations are of somatic origin and are found in cases displaying either normal or rearranged BLC6 alleles indicating their independence from chromosomal rearrangements and linkage to immunoglobulin genes. These alterations identify a mechanism of genetic instability in malignant B cells and may have been selected during lymphomagenesis for their role in altering BCL6 expression.
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Cited by
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Metadata
- Authors
- Migliazza, A., Martinotti, S., Chen, W., Fusco, C., Ye, B. H., Knowles, D. M., Offit, K., Chaganti, R. S., & Dalla-Favera, R.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1995-12-19
- Volume
- 92
- Issue
- 26
- Pages
- 12520-12524
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2075855869
- Cited by
- 354
- References
- 0
- FWCI
- 13.85
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Frequent somatic hypermutation of the 5' noncoding region of the BCL6 gene in B-cell lymphoma. https://app.cochat.ai/papers/10.1073/pnas.92.26.12520
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- Migliazza, A., Martinotti, S., Chen, W., Fusco, C., Ye, B. H., Knowles, D. M., Offit, K., Chaganti, R. S., & Dalla-Favera, R. (1995). Frequent somatic hypermutation of the 5' noncoding region of the BCL6 gene in B-cell lymphoma. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.92.26.12520
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