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2015 ; 6
(36
): 38591-616
Nephropedia Template TP
Oncotarget
2015[Nov]; 6
(36
): 38591-616
PMID26416427
show ga
MYC, a potent oncogene located at chromosome locus 8q24.21, was identified
initially by its involvement in Burkitt lymphoma with t(8;14)(q24;q32). MYC
encodes a helix-loop-helix transcription factor that accentuates many cellular
functions including proliferation, growth and apoptosis. MYC alterations also
have been identified in other mature B-cell neoplasms and are associated with
aggressive clinical behavior. There are several regulatory factors and
dysregulated signaling that lead to MYC up-regulation in B-cell lymphomas. One
typical example is the failure of physiological repressors such as Bcl6 or BLIMP1
to suppress MYC over-expression. In addition, MYC alterations are often developed
concurrently with other genetic alterations that counteract the proapoptotic
function of MYC. In this review, we discuss the physiologic function of MYC and
the role that MYC likely plays in the pathogenesis of B-cell lymphomas. We also
summarize the role MYC plays in the diagnosis, prognostication and various
strategies to detect MYC rearrangement and expression.