Breast Cancer
Studies from S.J. Kuo and colleagues reveal new findings on breast cancer
Published in Women's Health Weekly, June 11th, 2009
"To explore the mechanism of the disruption of circadian rhythm in breast cancer, we examined the expression of nine circadian genes in 53 newly diagnosed breast cancers by immunohistochemical staining, mutational analysis, and methylation analysis of the promoter of circadian genes. Our results showed that 37 of the 53 breast cancer tissues had hypermethylation on the promoters of PER1, PER2, CRY1, or BMAL1," researchers in Kaohsiung, Taiwan report.
"Twenty-five out of 53 paired noncancerous (normal) tissues had methylation on the promoter of PER1 or CRY1. Our results indicated a higher frequency of concurrent methylation of PER1 and CRY1 promoters in cancerous and...
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