Inhibitory effects of lysophosphatidic acid receptor-5 on cellular functions of sarcoma cells. 2014

Mutsumi Araki, and Misaho Kitayoshi, and Yan Dong, and Miku Hirane, and Shuhei Ozaki, and Shiori Mori, and Nobuyuki Fukushima, and Kanya Honoki, and Toshifumi Tsujiuchi
Division of Cancer Biology and Bioinformatics and.

Lysophosphatidic acid (LPA) is a bioactive lipid that interacts with G protein-coupled LPA receptors (LPA receptor-1 (LPA1) to LPA6). Here, we investigated the effects of LPA signaling via LPA5 on cellular functions of sarcoma cells by generating Lpar5 overexpressing and Lpar5 knockdown cells from rat osteosarcoma and malignant fibrous histiocytoma cells, respectively. The cell motility activity of Lpar5 overexpressing cells was significantly lower, while Lpar5 knockdown cells showed high cell motility, compared with respective controls. Gelatin zymography showed that LPA5 suppressed the activation of matrix metalloproteinase-2. LPA5 also inhibited the cell motility activity of endothelial cells, correlating with the expression levels of vascular endothelial growth factor genes. These results suggest that LPA signaling via LPA5 negatively regulates the cellular functions of rat sarcoma cells.

UI MeSH Term Description Entries
D008246 Lysophospholipids Derivatives of PHOSPHATIDIC ACIDS that lack one of its fatty acyl chains due to its hydrolytic removal. Lysophosphatidic Acids,Lysophospholipid,Acids, Lysophosphatidic
D002465 Cell Movement The movement of cells from one location to another. Distinguish from CYTOKINESIS which is the process of dividing the CYTOPLASM of a cell. Cell Migration,Locomotion, Cell,Migration, Cell,Motility, Cell,Movement, Cell,Cell Locomotion,Cell Motility,Cell Movements,Movements, Cell
D002522 Chlorocebus aethiops A species of CERCOPITHECUS containing three subspecies: C. tantalus, C. pygerythrus, and C. sabeus. They are found in the forests and savannah of Africa. The African green monkey is the natural host of SIMIAN IMMUNODEFICIENCY VIRUS and is used in AIDS research. African Green Monkey,Cercopithecus aethiops,Cercopithecus griseoviridis,Cercopithecus griseus,Cercopithecus pygerythrus,Cercopithecus sabeus,Cercopithecus tantalus,Chlorocebus cynosuros,Chlorocebus cynosurus,Chlorocebus pygerythrus,Green Monkey,Grivet Monkey,Lasiopyga weidholzi,Malbrouck,Malbrouck Monkey,Monkey, African Green,Monkey, Green,Monkey, Grivet,Monkey, Vervet,Savanah Monkey,Vervet Monkey,Savannah Monkey,African Green Monkey,Chlorocebus cynosuro,Green Monkey, African,Green Monkeys,Grivet Monkeys,Malbrouck Monkeys,Malbroucks,Monkey, Malbrouck,Monkey, Savanah,Monkey, Savannah,Savannah Monkeys,Vervet Monkeys
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012509 Sarcoma A connective tissue neoplasm formed by proliferation of mesodermal cells; it is usually highly malignant. Sarcoma, Epithelioid,Sarcoma, Soft Tissue,Sarcoma, Spindle Cell,Epithelioid Sarcoma,Epithelioid Sarcomas,Sarcomas,Sarcomas, Epithelioid,Sarcomas, Soft Tissue,Sarcomas, Spindle Cell,Soft Tissue Sarcoma,Soft Tissue Sarcomas,Spindle Cell Sarcoma,Spindle Cell Sarcomas
D042461 Vascular Endothelial Growth Factor A The original member of the family of endothelial cell growth factors referred to as VASCULAR ENDOTHELIAL GROWTH FACTORS. Vascular endothelial growth factor-A was originally isolated from tumor cells and referred to as "tumor angiogenesis factor" and "vascular permeability factor". Although expressed at high levels in certain tumor-derived cells it is produced by a wide variety of cell types. In addition to stimulating vascular growth and vascular permeability it may play a role in stimulating VASODILATION via NITRIC OXIDE-dependent pathways. Alternative splicing of the mRNA for vascular endothelial growth factor A results in several isoforms of the protein being produced. Vascular Endothelial Growth Factor,Vascular Endothelial Growth Factor-A,GD-VEGF,Glioma-Derived Vascular Endothelial Cell Growth Factor,VEGF,VEGF-A,Vascular Permeability Factor,Vasculotropin,Glioma Derived Vascular Endothelial Cell Growth Factor,Permeability Factor, Vascular
D042783 Endothelial Cells Highly specialized EPITHELIAL CELLS that line the HEART; BLOOD VESSELS; and lymph vessels, forming the ENDOTHELIUM. They are polygonal in shape and joined together by TIGHT JUNCTIONS. The tight junctions allow for variable permeability to specific macromolecules that are transported across the endothelial layer. Capillary Endothelial Cells,Lymphatic Endothelial Cells,Vascular Endothelial Cells,Capillary Endothelial Cell,Cell, Capillary Endothelial,Cell, Endothelial,Cell, Lymphatic Endothelial,Cell, Vascular Endothelial,Cells, Capillary Endothelial,Cells, Endothelial,Cells, Lymphatic Endothelial,Cells, Vascular Endothelial,Endothelial Cell,Endothelial Cell, Capillary,Endothelial Cell, Lymphatic,Endothelial Cell, Vascular,Endothelial Cells, Capillary,Endothelial Cells, Lymphatic,Endothelial Cells, Vascular,Lymphatic Endothelial Cell,Vascular Endothelial Cell
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines
D049109 Cell Proliferation All of the processes involved in increasing CELL NUMBER including CELL DIVISION. Cell Growth in Number,Cellular Proliferation,Cell Multiplication,Cell Number Growth,Growth, Cell Number,Multiplication, Cell,Number Growth, Cell,Proliferation, Cell,Proliferation, Cellular
D049368 Receptors, Lysophosphatidic Acid A subfamily of lysophospholipid receptors with specificity for LYSOPHOSPHATIDIC ACIDS. LPA Receptor,Lysophosphatidic Acid Receptor,Lysophosphatidic Acid Receptors,EDG7 Protein,Edg-4 Receptor,Edg-7 Receptor,Edg2 Protein,Edg4 Protein,LPA Receptors,LPA-1 Receptor,LPA1 Receptor,LPA2 Receptor,LPA3 Receptor,Receptor, Lysophosphatidic Acid,edg-2 Receptor,vzg-1 Receptor,Acid Receptor, Lysophosphatidic,Acid Receptors, Lysophosphatidic,Edg 4 Receptor,Edg 7 Receptor,LPA 1 Receptor,Receptor, Edg-4,Receptor, Edg-7,Receptor, LPA,Receptor, LPA1,Receptor, LPA2,Receptor, LPA3,Receptor, edg-2,Receptor, vzg-1,Receptors, LPA,edg 2 Receptor,vzg 1 Receptor

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