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Almost all cases of multiple myeloma (MM) are preceded by monoclonal gammopathy of undetermined significance (MGUS), a pre-malignant condition which is typically asymptomatic. Therefore, a focus on identifying predisposition genes is highly relevant in MM. Unraveling MM genetics in order to identify key mutations could help predict an individual’s risk of developing MM (including relatives of MM patients), as well as help improve diagnosis and treatment.
Xiaomu Wei, and M. Nieves Calvo-Vidal from Biological Statistics and Computational Biology, Cornell University, New York, US, and colleagues, conducted a study to identify novel germline predisposition genes for MM and published their findings in Cancer Research in March 2018.
The authors conclude that KDM1A is the first gene identified as an autosomal dominant MM predisposition gene, with truncating and predicted deleterious missense mutations occurring at a higher frequency in MM patients. There was also an enrichment of pathways associated with intrinsic MM pathogenesis and MYC target genes, in the tumor transcriptome of patients with mutant KDM1A.
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