PROGESTERONE AND ESTRADIOL INCREASE CYTOSOLIC CA2+ IN SINGLE-RAT HEPATOCYTES

被引:32
|
作者
SANCHEZBUENO, A [1 ]
SANCHO, MJ [1 ]
COBBOLD, PH [1 ]
机构
[1] UNIV BASQUE COUNTRY,FAC SCI,DEPT BIOCHEM,E-48080 BILBAO,SPAIN
基金
英国惠康基金;
关键词
D O I
10.1042/bj2800273
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
Progesterone (300-400-mu-M) and oestradiol (25-200-mu-M) induce a prompt rise in the cytosolic free Ca2+ concentration (free Ca) in single rat hepatocytes, but testosterone, cortisol and dexamethasone do not. These increases are dependent on the presence of extracellular Ca2+. Both progesterone and oestradiol block phenylephrine-induced free Ca oscillations. These data suggest a certain specificity of the response of free Ca to steroids and may explain some of the non-genomic effects of these steroids on hepatocytes.
引用
收藏
页码:273 / 276
页数:4
相关论文
共 50 条
  • [21] ATP, thapsigargin and cAMP increase Ca2+ in rat hepatocytes by activating three different Ca2+ influx pathways
    Ikari, A
    Sakai, H
    Takeguchi, N
    JAPANESE JOURNAL OF PHYSIOLOGY, 1997, 47 (02): : 235 - 239
  • [22] Phenylethylamine induces an increase in cytosolic Ca2+ in yeast
    Pinontoan, R
    Krystofova, S
    Kawano, T
    Mori, IC
    Tsuji, FI
    Iida, H
    Muto, S
    BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY, 2002, 66 (05) : 1069 - 1074
  • [23] EFFECT OF PROPOFOL ON SARCOPLASMIC-RETICULUM CA2+ CONTENT IN SINGLE-RAT CARDIAC MYOCYTES
    KUDRYASHOVA, IA
    BLANCK, TJJ
    ANESTHESIOLOGY, 1995, 83 (3A) : A684 - A684
  • [24] THE RELATIONSHIP BETWEEN CYTOSOLIC CA2+ AND EXOCYTOSIS IN SINGLE NEUROSECRETOSOMES OF RAT NEUROHYPOPHYSIS
    OKANO, K
    FASEB JOURNAL, 1992, 6 (01): : A399 - A399
  • [25] TEMPORAL RELATIONSHIP OF TRANSIENT INCREASES IN CYTOSOLIC CA-2+ AND INWARD CURRENT IN SINGLE-RAT VENTRICULAR MYOCYTES
    DUBELL, W
    LAKATTA, EG
    SPURGEON, HA
    TALO, A
    JOURNAL OF PHYSIOLOGY-LONDON, 1989, 415 : P108 - P108
  • [26] Increase in cytosolic Ca2+ induced by elevation of extracellular Ca2+ in skeletal myogenic cells
    Naro, F
    De Arcangelis, V
    Coletti, D
    Molinaro, M
    Zani, B
    Vassanelli, S
    Reggiani, C
    Teti, A
    Adamo, S
    AMERICAN JOURNAL OF PHYSIOLOGY-CELL PHYSIOLOGY, 2003, 284 (04): : C969 - C976
  • [27] FLUOROALUMINATE MIMICS AGONIST APPLICATION IN SINGLE-RAT HEPATOCYTES
    WOODS, NM
    DIXON, CJ
    CUTHBERTSON, KSR
    COBBOLD, PH
    BIOCHEMICAL JOURNAL, 1990, 265 (02) : 613 - 615
  • [28] QUANTAL CA2+ MOBILIZATION BY INOSITOL 1,4,5-TRISPHOSPHATE IN RAT HEPATOCYTES IS NOT MEDIATED BY CHANGES IN CYTOSOLIC CA2+ CONCENTRATION
    PATEL, S
    TAYLOR, CW
    JOURNAL OF PHYSIOLOGY-LONDON, 1995, 485P : P40 - P40
  • [29] Cytosolic Ca2+ concentration during Ca2+ depletion of isolated rat hearts
    Maurits Jansen
    Bahram Badlou
    Cees Echteld
    Tom Ruigrok
    Molecular and Cellular Biochemistry, 2000, 203 : 169 - 175
  • [30] Cytosolic Ca2+ concentration during Ca2+ depletion of isolated rat hearts
    Jansen, M
    Badlou, B
    Echteld, C
    Ruigrok, T
    MOLECULAR AND CELLULAR BIOCHEMISTRY, 2000, 203 (1-2) : 169 - 175