Isolation and expression of five-amino-acid-deleted variant of feline hepatocyte growth factor (HGF) cDNA |
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Authors: | Miyake Masashi Yaguchi Takahiro Saze Koh-ichi Wang Janhui Ogawa Toshiyuki Endo Yoshio Suzuta Yasuyuki Okazaki Masayuki Haga Yoshihisa Waki Takashi Takahashi Susumu Y Yamamoto Yoshimi Iwabuchi Shigehiro |
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Institution: | Central Research Laboratories, Nippon Zenyaku Kogyo Co. Ltd., Fukushima 963-0196, Japan. |
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Abstract: | Hepatocyte growth factor (HGF) is a pleiotropic cytokine that stimulates a wide array of cellular targets, including hepatocytes and other epithelial cells, melanocytes, endothelial and hematopoietic cells. We have cloned a different form of cDNA, with a deletion of 15 base pairs predicted to result in the loss of 5 amino acids from the first kringle domain. To investigate the biological activity, original and deleted variant of feline HGF cDNAs were transiently expressed in COS-7 cells. Both recombinant feline HGFs showed almost the same dose-response curves in the stimulation of the growth of BNL CL.2 cells (a mouse hepatocyte cell line) and scatter activity of Madin-Darby canine kidney (MDCK) cells. The findings reported here suggest that the deleted variant of feline HGF has almost the same biological activity as the original in terms of the proliferation and scatter activity. |
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