Molecular analysis of 11q13 breakpoints in multiple myeloma

Domenica Ronchetti, Palma Finelli, Raffaella Richelda, Luca Baldini, Mariano Rocchi, Luigi Viggiano, Antonio Cuneo, Silvia Bogni, Sonia Fabris, Luigia Lombardi, Anna Teresa Maiolo, Antonino Neri

Research output: Contribution to journalArticle

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Abstract

The t(11;14)(q13;q32) chromosomal translocation, which is the hallmark of mantle cell lymphoma (MCL), is found in approximately 30% of multiple myeloma (MM) tumors with a 14q32 translocation. Although the overexpression of cyclin D1 has been found to be correlated with MM cell lines carrying the t(11;14), rearrangements of the BCL-1/cyclin D1 regions frequently involved in MCL rarely occur in MM cell lines or primary tumors. To test whether specific 11q13 breakpoint clusters may occur in MM, we investigated a representative panel of primary tumors by means of Southern blot analysis using probes derived from MM-associated 11q13 breakpoints. To this end, we first cloned the breakpoints and respective germ-line regions from a primary tumor and the U266 cell line, as well as the germ-line region from the KMS- 12 cell line. DNA from 50 primary tumors was tested using a large panel of probes, but a rearrangement was detected in only one case using the KMS-12 breakpoint probe. Our results confirm previous findings that the 11q13 breakpoints in MM are scattered throughout the 11q13 region encompassing the cyclin D1 gene, thus suggesting the absence of 11q13 breakpoint clusters in MM.

Original languageEnglish
Pages (from-to)1330-1337
Number of pages8
JournalBlood
Volume93
Issue number4
Publication statusPublished - Feb 15 1999

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Multiple Myeloma
Tumors
Cyclin D1
Cells
Mantle-Cell Lymphoma
Germ Cells
Cell Line
Neoplasms
bcl-1 Genes
Genetic Translocation
Genes
Southern Blotting
Tumor Cell Line
DNA

ASJC Scopus subject areas

  • Hematology

Cite this

Ronchetti, D., Finelli, P., Richelda, R., Baldini, L., Rocchi, M., Viggiano, L., ... Neri, A. (1999). Molecular analysis of 11q13 breakpoints in multiple myeloma. Blood, 93(4), 1330-1337.

Molecular analysis of 11q13 breakpoints in multiple myeloma. / Ronchetti, Domenica; Finelli, Palma; Richelda, Raffaella; Baldini, Luca; Rocchi, Mariano; Viggiano, Luigi; Cuneo, Antonio; Bogni, Silvia; Fabris, Sonia; Lombardi, Luigia; Maiolo, Anna Teresa; Neri, Antonino.

In: Blood, Vol. 93, No. 4, 15.02.1999, p. 1330-1337.

Research output: Contribution to journalArticle

Ronchetti, D, Finelli, P, Richelda, R, Baldini, L, Rocchi, M, Viggiano, L, Cuneo, A, Bogni, S, Fabris, S, Lombardi, L, Maiolo, AT & Neri, A 1999, 'Molecular analysis of 11q13 breakpoints in multiple myeloma', Blood, vol. 93, no. 4, pp. 1330-1337.
Ronchetti D, Finelli P, Richelda R, Baldini L, Rocchi M, Viggiano L et al. Molecular analysis of 11q13 breakpoints in multiple myeloma. Blood. 1999 Feb 15;93(4):1330-1337.
Ronchetti, Domenica ; Finelli, Palma ; Richelda, Raffaella ; Baldini, Luca ; Rocchi, Mariano ; Viggiano, Luigi ; Cuneo, Antonio ; Bogni, Silvia ; Fabris, Sonia ; Lombardi, Luigia ; Maiolo, Anna Teresa ; Neri, Antonino. / Molecular analysis of 11q13 breakpoints in multiple myeloma. In: Blood. 1999 ; Vol. 93, No. 4. pp. 1330-1337.
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