Article
Correlation of p21 gene codon 31 polymorphism and TNF-alpha gene polymorphism with nasopharyngeal carcinoma.
Journal of clinical laboratory analysis - 1 Jan 2002
Tsai Ming-Hsui, Chen Wen-Chi, Tsai Fuu-Jen
Abstract excerpt
Background p21 (WAF1/CIP1) is a downstream protein from p53 and can arrest the cell cycle at the G1/S phase in response to signal from p53. The most frequently seen polymorphic site is at codon 31, where a base change from AGC to AGA causes an amino acid change from serine to arginine. Tumor necrosis factor-alpha (TNF-alpha) is a cytokine that is secreted from macrophages, and is related to a sequence of events...
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