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Carba Analogs of Cyclic Phosphatidic Acid Are Selective Inhibitors of Autotaxin and Cancer Cell Invasion and Metastasis

 Daniel L. Baker  ;  Yuko Fujiwara  ;  Kathryn R. Pigg  ;  Ryoko Tsukahara  ;  Susumu Kobayashi  ;  Hiromu Murofushi  ;  Ayako Uchiyama  ;  Kimiko Murakami-Murofushi  ;  Eunjin Koh  ;  Russell W. Bandle  ;  Hoe-Sup Byun  ;  Robert Bittman  ;  Dominic Fan  ;  Mandi Murph  ;  Gordon B. Mills  ;  Gabor Tigyi 
 JOURNAL OF BIOLOGICAL CHEMISTRY, Vol.281(32) : 22786-22793, 2006 
Journal Title
Issue Date
Antineoplastic Agents/pharmacology* ; Cell Line, Tumor ; Culture Media, Conditioned ; Humans ; Lipid Metabolism ; Lysophospholipids/pharmacology ; Melanoma/metabolism ; Multienzyme Complexes/chemistry* ; Neoplasm Invasiveness ; Neoplasm Metastasis ; Phosphatidic Acids/chemistry* ; Phosphodiesterase I/chemistry* ; Phosphoric Diester Hydrolases ; Pyrophosphatases/chemistry* ; Recombinant Proteins/chemistry ; Spectrometry, Fluorescence
Autotaxin (ATX, nucleotide pyrophosphate/phosphodiesterase-2, NPP2) is an autocrine motility factor initially characterized from A2058 melanoma cell conditioned medium. ATX is known to contribute to cancer cell survival, growth, and invasion. Recently ATX was shown to be responsible for the lysophospholipase D activity that generates lysophosphatidic acid (LPA). Production of LPA is sufficient to explain the effects of ATX on tumor cells. Cyclic phosphatidic acid (cPA) is a naturally occurring analog of LPA in which the sn-2 hydroxy group forms a 5-membered ring with the sn-3 phosphate. Cellular responses to cPA generally oppose those of LPA despite activation of apparently overlapping receptor populations, suggesting that cPA also activates cellular targets distinct from LPA receptors. cPA has previously been shown to inhibit tumor cell invasion in vitro and cancer cell metastasis in vivo. However, the mechanism governing this effect remains unresolved. Here we show that 3-carba analogs of cPA lack significant agonist activity at LPA receptors yet are potent inhibitors of ATX activity, LPA production, and A2058 melanoma cell invasion in vitro and B16F10 melanoma cell metastasis in vivo.
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1. College of Medicine (의과대학) > Dept. of Biochemistry and Molecular Biology (생화학-분자생물학교실) > 1. Journal Papers
Yonsei Authors
Koh, Eun Jin(고은진) ORCID logo https://orcid.org/0000-0001-8967-6266
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