The association of inherited variation in the CLOCK gene with breast cancer tumor grade
Methods: We investigated the relationship between single nucleotide polymorphisms (SNPs) in the CLOCK gene and tumor grade and estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 status in 293 breast cancer patients. Nine SNPs were determined by standard TaqMan assays. Tumor grade, receptor status, and other clinical variables were abstracted from medical records.
Results: Two SNPs were excluded because of poor genotyping performance. None of the remaining seven variants had a statistically significant association with breast cancer tumor grade or with receptor status.
Conclusion: As with all novel studies, further work is needed to examine the association of CLOCK and other genes in the circadian rhythm pathway with breast cancer tumor grade in other populations.
Document Type: Research Article
Publication date: 2017-07-01
Family Medicine and Community Health (FMCH) is an open-access journal focusing on subjects that are common and relevant to family medicine/general practice and community health. The journal publishes relevant content across disciplines such as epidemiology, public health, social and preventive medicine, research and evidence based medicine, community health service, patient education and health promotion and health ethics. The journal has a specific focus on the management of chronic illness particularly diabetes, ischaemic heart disease, chronic heart failure, hypertension, bronchial asthma, chronic obstructive airways disease and common mental illness. FMCH is published by Compuscript http://www.compuscript.com on behalf of the Chinese General Practice Press http://www.chinagp.net.
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