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Analysis of p16 gene deletion and mutation in gastric carcinoma

Zhao Guo-hai

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Abstract

AIM: To investigate p16 gene alterations in gastric carcinoma. METHODS: 36 fresh tumor specimens taken from gastric cancer patients were analyzed for p16 gene deletion and mutation by polymerase chain reaction (PCR) and DNA sequencing. RESULTS: Homozygous deletion of exon 1 and exon 3 was observed in 2 cases and 3 cases of diffuse carcinoma, respectively. The frequency of homozygous deletion was 13.89%. No p16 gene point mutation was detected. CONCLUSION: The deletion of p16 genes may be related to gastric carcinogenesis.

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AIM: To investigate p16 gene alterations in gastric carcinoma. METHODS: 36 fresh tumor specimens taken from gastric cancer patients were analyzed for p16 gene deletion and mutation by polymerase chain reaction (PCR) and DNA sequencing. RESULTS: Homozygous deletion of exon 1 and exon 3 was observed in 2 cases and 3 cases of diffuse carcinoma, respectively. The frequency of homozygous deletion was 13.89%. No p16 gene point mutation was detected. CONCLUSION: The deletion of p16 genes may be related to gastric carcinogenesis.

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Available abstract

AIM: To investigate p16 gene alterations in gastric carcinoma. METHODS: 36 fresh tumor specimens taken from gastric cancer patients were analyzed for p16 gene deletion and mutation by polymerase chain reaction (PCR) and DNA sequencing. RESULTS: Homozygous deletion of exon 1 and exon 3 was observed in 2 cases and 3 cases of diffuse carcinoma, respectively. The frequency of homozygous deletion was 13.89%. No p16 gene point mutation was detected. CONCLUSION: The deletion of p16 genes may be related to gastric carcinogenesis.

Key concepts: Exon, Mutation, Point mutation, Gene, Polymerase chain reaction, Carcinogenesis, Cancer research, Biology

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