Applying a highly specific and reproducible cDNA RDA method to clone garlic up-regulated genes in human gastric cancer cells

World Journal of Gastroenterology : WJG
Yong Li, You-Yong Lu

Abstract

To develop and optimize cDNA representational difference analysis (cDNA RDA) method and to identify and clone garlic up-regulated genes in human gastric cancer (HGC) cells. We performed cDNA RDA method by using abundant double-stranded cDNA messages provided by two self-constructed cDNA libraries (Allitridi-treated and paternal HGC cell line BGC823 cells cDNA libraries respectively). Bam H I and Xho I restriction sites harbored in the library vector were used to select representations. Northern and Slot blots analyses were employed to identify the obtained difference products. Fragments released from the cDNA library vector after restriction endonuclease digestion acted as good marker indicating the appropriate digestion degree for library DNA. Two novel expressed sequence tags (ESTs) and a recombinant gene were obtained. Slot blots result showed a 8-fold increase of glia-derived nexin/protease nexin 1 (GDN/PN1) gene expression level and 4-fold increase of hepatitis B virus x-interacting protein (XIP) mRNA level in BGC823 cells after Allitridi treatment for 72h. Elevated levels of GDN/PN1 and XIP mRNAs induced by Allitridi provide valuable molecular evidence for elucidating the garlic's efficacies against neurodegenerative and ...Continue Reading

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Citations

Sep 13, 2003·World Journal of Gastroenterology : WJG·Li Sun, Xu Wang
Feb 5, 2004·World Journal of Gastroenterology : WJG·Jia-Ren LiuYou-Qiang Song
Nov 20, 2002·World Journal of Gastroenterology : WJG·Jian-Kun HuYou-Ping Li
Feb 17, 2007·Acta Pharmacologica Sinica·Feng-Ze WangLi-Hong Ye
Aug 15, 2003·World Journal of Gastroenterology : WJG·Ke-Jun NanBo-Rong Pan
Jan 13, 2004·World Journal of Gastroenterology : WJG·Jia-Ren LiuYou-Qiang Song
Mar 21, 2018·Oncology Letters·Ying YangDanmei Xu

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