PHORBOL ESTER INDUCES PHOSPHORYLATION AND DOWN-REGULATION OF CONNEXIN-43 IN WB-CELLS

被引:128
作者
OH, SY [1 ]
GRUPEN, CG [1 ]
MURRAY, AW [1 ]
机构
[1] FLINDERS UNIV,SCH BIOL SCI,GPO BOX 2100,ADELAIDE,SA 5001,AUSTRALIA
关键词
PHORBOL ESTER; CONNEXIN-43; PHOSPHORYLATION;
D O I
10.1016/0167-4889(91)90016-Q
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Western blot analysis indicated that WB cells contained multiple proteins of molecular mass 42-47 K which reacted with anti-connexin 43 antibody. Incubation of cells with 12-O-tetradecanoylphorbol-13-acetate (TPA) for 5 min caused the inhibition of dye transfer and the appearance of reactive material of 50 K which was abolished by acid phosphatase. Longer term incubation with TPA caused loss of connexin 43 protein.
引用
收藏
页码:243 / 245
页数:3
相关论文
共 23 条
  • [11] TOPOLOGY OF THE 32-KD LIVER GAP JUNCTION PROTEIN DETERMINED BY SITE-DIRECTED ANTIBODY LOCALIZATIONS
    MILKS, LC
    KUMAR, NM
    HOUGHTEN, R
    UNWIN, N
    GILULA, NB
    [J]. EMBO JOURNAL, 1988, 7 (10) : 2967 - 2975
  • [12] TUMOR PROMOTERS INHIBIT METABOLIC COOPERATION IN COCULTURES OF EPIDERMAL AND 3T3-CELLS
    MURRAY, AW
    FITZGERALD, DJ
    [J]. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 1979, 91 (02) : 395 - 401
  • [13] MURRAY AW, 1989, CELL INTERACTIONS GA, V1, P97
  • [14] DIFFERENTIAL PHOSPHORYLATION OF THE GAP JUNCTION PROTEIN CONNEXIN-43 IN JUNCTIONAL COMMUNICATION-COMPETENT AND COMMUNICATION-DEFICIENT CELL-LINES
    MUSIL, LS
    CUNNINGHAM, BA
    EDELMAN, GM
    GOODENOUGH, DA
    [J]. JOURNAL OF CELL BIOLOGY, 1990, 111 (05) : 2077 - 2088
  • [15] EXPRESSION OF THE GAP JUNCTION PROTEIN CONNEXIN43 IN EMBRYONIC CHICK LENS - MOLECULAR-CLONING, ULTRASTRUCTURAL-LOCALIZATION, AND POSTTRANSLATIONAL PHOSPHORYLATION
    MUSIL, LS
    BEYER, EC
    GOODENOUGH, DA
    [J]. JOURNAL OF MEMBRANE BIOLOGY, 1990, 116 (02) : 163 - 175
  • [16] INHIBITION OF GAP JUNCTIONAL BLOCKAGE BY PALMITOYL CARNITINE AND TMB-8 IN A RAT-LIVER EPITHELIAL-CELL LINE
    OH, SY
    MADHUKAR, BV
    TROSKO, JE
    [J]. CARCINOGENESIS, 1988, 9 (01) : 135 - 139
  • [17] PHOSPHORYLATION OF CONNEXIN-32, A HEPATOCYTE GAP-JUNCTION PROTEIN, BY CAMP-DEPENDENT PROTEIN-KINASE, PROTEIN-KINASE-C AND CA-2+ CALMODULIN-DEPENDENT PROTEIN KINASE-II
    SAEZ, JC
    NAIRN, AC
    CZERNIK, AJ
    SPRAY, DC
    HERTZBERG, EL
    GREENGARD, P
    BENNETT, MVL
    [J]. EUROPEAN JOURNAL OF BIOCHEMISTRY, 1990, 192 (02): : 263 - 273
  • [18] Sambrook J., 1989, MOL CLONING LAB MANU
  • [19] SCHULZ GE, 1988, ANNU REV BIOPHYS BIO, V17, P1
  • [20] PHOSPHORYLATION OF THE 27-KDA GAP JUNCTION PROTEIN BY PROTEIN KINASE-C INVITRO AND IN RAT HEPATOCYTES
    TAKEDA, A
    SAHEKI, S
    SHIMAZU, T
    TAKEUCHI, N
    [J]. JOURNAL OF BIOCHEMISTRY, 1989, 106 (04) : 723 - 727