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ORIGINAL ARTICLE
Year : 2019  |  Volume : 44  |  Issue : 4  |  Page : 204-207

Association of the cyclin D1 G870A polymorphism with risk of multiple myeloma in a group of Egyptian patients


1 Clinical Pathology Department, Faculty of Medicine, Beni-Suef University, Egypt
2 Medical Oncology Department, National Cancer Institute, Cairo University, Cairo, Egypt

Correspondence Address:
Dina El Dahshan
Associate Professor of Clinical Pathology, Clinical Pathology Department, Faculty of Medicine, Beni-Suef University, Compound Zayed Dunes building 89, entrance 2 El Sheikh Zaye, 6 October City, Beni-suef,
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ejh.ejh_18_19

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Background Multiple myeloma (MM) is a clonal bone marrow disease characterized by the neoplastic transformation of mature B cells. Single-nucleotide polymorphisms in the Cyclin d1 CCND1 gene were reported with an increased susceptibility to various human cancers such as breast cancer, bladder cancer, colorectal cancer, and lung cancer. Aim The aim of this study was to detect the distribution of CCND1 G870A genotypes in a group of MM patients and in controls in an attempt to reveal the possible association between the presence of the polymorphism (G870A) and the risk of MM in an Egyptian population. Patients and methods The PCR-restriction fragment length polymorphism technique was used for the detection of CCND1 G870A polymorphism in 56 MM patients and 70 healthy individuals as a control group. Results The homozygous GG genotype was present in 10.7% of patients, heterozygous AG in 48.2%, and homozygous AA in 41.1%. Carriers of CCND1 G870A polymorphism did not show increased risk to MM [AG genotype odds ratio (OR)=0.928, P=0.899 and GG genotype OR=1.295, P=0.499]. Patients aged at least 60 years had a higher frequency of mutant CCND1 than controls (88.2 and 64.3%), but this difference did not reach statistical significance (OR=4.167, P=0.128). Conclusion Carriers of the pleomorphic genotype of CCND1 G870A did not show increased susceptibility to MM. Larger population-based studies are needed to validate the association of CCND1 G870A polymorphism with MM.


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