The altered expression of ING5 protein is involved in gastric carcinogenesis and subsequent progression.
2011
Summary ING5 can interact with p53, thereby inhibiting cell growth and inducing apoptosis. To clarify the roles of ING5 in gastric tumorigenesis and progression, its expression was examined by immunohistochemistry on a tissue microarray containing gastric nonneoplastic mucosa (n = 119), dysplasia (n = 50), and carcinomas (n = 429), with its comparison with clinicopathologic parameters of the carcinomas. ING5 expression was analyzed in gastric carcinoma tissues and cell lines (MKN28, MKN45, AGS, GT-3 TKB, and KATO-III) by Western blot and reverse transcriptase-polymerase chain reaction. ING5 protein was found to distribute to the nuclei of gastric carcinoma cells with similar messenger RNA levels. An increased expression of ING5 messenger RNA was observed in gastric carcinoma in comparison with paired mucosa ( P P P P P P P P P
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