Probe Information
The Cyclin D1 (CCND1) gene located at 11q13.3 encodes a protein that belongs to the highly conserved cyclin family. Mutations, amplifications and overexpression of this gene, which alters cell cycle progression, are observed frequently in a variety of tumours and may contribute to tumourigenesis1. Cyclins function as regulators of cyclin dependent kinases (CDKs). CCND1 forms a complex with, and functions as a regulatory subunit of, CDK4 or CDK8, whose activity is required for the G1/S transition through the cell cycle1. The translocation t(11;14)(q13;q32) between CCND1 and Immunoglobulin Heavy chain (IGH) has been described as the molecular hallmark for Mantle Cell Lymphoma (MCL)2,5, a subtype of B-cell non-Hodgkin Lymphoma, and results in overexpression of cyclin D1. This translocation is estimated to occur in 53-93% of MCL cases3 and has also been implicated in 10-25% of Multiple Myeloma patients with abnormal cytogenetics4.
Probe Specification
CCND1, 11q13.3, Red
CCND1, 11q13.3, Green
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