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GOLGA2/GM130, cis-Golgi Matrix Protein, is a Novel Target of Anticancer Gene Therapy

Cited 37 time in Web of Science Cited 37 time in Scopus
Authors
Chang, Seung-Hee; Hong, Seong-Ho; Jiang, Hu-Lin; Minai-Tehrani, Arash; Yu, Kyeong-Nam; Lee, Jae-Ho; Kim, Ji-Eun; Shin, Ji-Young; Kang, Bitna; Park, Sungjin; Han, Kiwon; Chae, Chanhee; Cho, Myung-Haing
Issue Date
2012-11
Citation
Molecular Therapy, Vol.20 No.11, pp.2052-2063
Abstract
Achievement of long-term survival of patients with lung cancer treated with conventional chemotherapy is still difficult for treatment of metastatic and advanced tumors. Despite recent progress in investigational therapies, survival rates are still disappointingly low and novel adjuvant and systemic therapies are urgently needed. A recently elucidated secretory pathway is attracting considerable interest as a promising anticancer target. The cis-Golgi matrix protein, GOLGA2/GM130, plays an important role in glycosylation and transport of protein in the secretory pathway. In this study, the effects of short hairpin RNA (shRNA) constructs targeting GOLGA2/GM130 (shGOLGA2) on autophagy and lung cancer growth were evaluated in vitro and in vivo. Downregulation of GOLGA2/GM130 led to induction of autophagy and inhibition of glycosylation in A549 cells and in the lungs of K-ras(LA1) mice. Furthermore, downregulation of GOLGA2/GM130 decreased angiogenesis and cancer cell invasion in vitro and suppressed tumorigenesis in lung cancer mice model. The tumor specificity of sequence targeting GOLGA2/GM130 was also demonstrated. Taken together, these results suggest that induction of autophagy by shGOLGA2 may induce cell death rather than cell survival. Therefore, downregulation of GOLGA2/GM130 may be a potential therapeutic option for lung cancer. Received 7 December 2011; accepted 29 May 2012; advance online publication 27 June 2012. doi:10.1038/mt.2012.125
ISSN
1525-0016
URI
https://hdl.handle.net/10371/172475
DOI
https://doi.org/10.1038/mt.2012.125
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College of Veterinary Medicine (수의과대학)Dept. of Veterinary Medicine (수의학과)Journal Papers (저널논문_수의학과)
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