A novel method, digital genome scanning detects KRAS gene amplification in gastric cancers: involvement of overexpressed wild-type KRAS in downstream signaling and cancer cell growth

Hiroaki Mita, Minoru Toyota, Fumio Aoki, Hirofumi Akashi, Reo Maruyama, Yasushi Sasaki, Hiromu Suzuki, Masashi Idogawa, Lisa Kashima, Kazuyoshi Yanagihara, Masahiro Fujita, Masao Hosokawa, Masanobu Kusano, Sorin Vasile Sabau, Haruyuki Tatsumi, Kohzoh Imai, Yasuhisa Shinomura,Takashi Tokino
BMC Cancer Jun 23, 2009
Total RNA was extracted using Trizol (Invitrogen, Carlsbad, CA, USA), according to the manufacturer’s instructions. Genomic DNA of normal peripheral blood leukocytes (Biochain, Hayward, CA, USA) and total RNA from normal gastric mucosa from healthy individuals (Biochain and Invitrogen) were purchased.
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