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논문 기본 정보

자료유형
학술저널
저자정보
(Department of Clinical Laboratory, Tianjin Huan Hu Hospital, Tianjin Key Laboratory of Cerebral Vessels and Neural Degeneration) (Department of Neurosurgery, Tianjin Haihe Hospital) (Department of Clinical Laboratory, Tianjin Huan Hu Hospital, Tianjin Key Laboratory of Cerebral Vessels and Neural Degeneration) (Department of Immunology and Department of Biochemistry, School of Basic Medical Sciences, Tianjin Medical University) (Department of Clinical Laboratory, Tianjin Huan Hu Hospital, Tianjin Key Laboratory of Cerebral Vessels and Neural Degeneration) (Department of Clinical Laboratory, Tianjin Huan Hu Hospital, Tianjin Key Laboratory of Cerebral Vessels and Neural Degeneration) (Department of Clinical Laboratory, Tianjin Huan Hu Hospital, Tianjin Key Laboratory of Cerebral Vessels and Neural Degeneration) (Department of Clinical Laboratory, Tianjin Huan Hu Hospital, Tianjin Key Laboratory of Cerebral Vessels and Neural Degeneration)
저널정보
아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제15권 제7호
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3,219 - 3,226 (8page)

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초록· 키워드

Chemotherapy continues to be a mainstay of cancer treatment, although drug resistance is a major obstacle. Lipid metabolism plays a critical role in cancer pathology, with elevated ether lipid levels. Recently, alkylglyceronephosphate synthase (AGPS), an enzyme that catalyzes the critical step in ether lipid synthesis, was shown to be up-regulated in multiple types of cancer cells and primary tumors. Here, we demonstrated that silencing of AGPS in chemotherapy resistance glioma U87MG/DDP and hepatic carcinoma HepG2/ADM cell lines resulted in reduced cell proliferation, increased drug sensitivity, cell cycle arrest and cell apoptosis through reducing the intracellular concentration of lysophosphatidic acid (LPA), lysophosphatidic acid-ether (LPAe) and prostaglandin E2 (PGE2), resulting in reduction of LPA receptor and EP receptors mediated PI3K/AKT signaling pathways and the expression of several multi-drug resistance genes, like MDR1, MRP1 and ABCG2. ${\beta}$-catenin, caspase-3/8, Bcl-2 and survivin were also found to be involved. In summary, our studies indicate that AGPS plays a role in cancer chemotherapy resistance by mediating signaling lipid metabolism in cancer cells.
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