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find Keyword "Gast ric carcinoma,   Antisense nucleotide,   Glutaminase,   Cell apoptosis" 1 results
  • Effects of Glutaminase Antisense Gene on Apoptosis of Transplanted Gastric Carcinoma Cells in Nude Mouse

    Objective  To study the effects of glutaminase (GA) gene blocked by antisense nucleotide on apoptosis of transplanted gastric carcinoma cells in nude mice. Methods  The plasmid containing antisense sequence of GA gene was trans-fected into gastric carcinoma cells , then the cells were injected to endermic tissue of nude mice to create animal models of gastric carcinoma. Apoptosis of tumor cells was detected by terminal deoxynucleotidyl transferase2mediated nick end labeling (TUNEL) method. The expression of GA mRNA in tumor tissue was measured by reverse transcription polymerase chain reaction (RT2PCR) technique. Results  After the successful transfection of plasmid containing antisense sequence of GA gene into gastric carcinoma cells , the tumor’s growth speed decreased , apoptosis of tumor cells increased , and the expression of GA mRNA also decreased. Conclusion  The antisense gene of GA could inhibit the expression of GA gene and significantly increase the apoptosis of gastric carcinoma cells.

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