NCIt definition : A fusion gene that results from a rearrangement of chromosome 11 which places the
CCND1 gene on the 5' side of the PTH gene. This rearrangement is associated with parathyroid
adenomatosis.;
NCIt note : This translocation allows the expression of the CCND1 gene to be controlled by PTH
gene promoter, which causes overexpression of the G1/S-specific cyclin-D1 protein.;