Impaired estrogen priming of progesterone receptors in uterus of MRL/MP-lpr/lpr mice, a model of systemic lupus erythematosus (SLE)

被引:10
作者
Dhaher, YY
Chan, K
Greenstein, BD [1 ]
Nunn, ED
Khamashta, MA
Hughes, GRV
机构
[1] St Thomas Hosp, Rayne Inst, Lupus Res Unit, London SE1 7EH, England
[2] Medicare, Ramallah, Palestine
[3] Univ Arizona, Arizona Arthrit Ctr, Tucson, AZ 85724 USA
[4] Schiller Int Univ, London SE1, England
来源
INTERNATIONAL JOURNAL OF IMMUNOPHARMACOLOGY | 2000年 / 22卷 / 07期
关键词
D O I
10.1016/S0192-0561(00)00017-5
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Estrogens exacerbate the autoimmune disease SLE and progesterone is immunoprotective. Estrogens increase synthesis of progesterone receptors (PR) and it is hypothesized that this physiological balance may be impaired in SLE, To test this, cytosolic PR were measured in hypothalamus, thymus and uterus from 6-week-old female ovariectomized BALB/c and MRL/MP-lpr/lpr mice 48 h after s.c. injection of estradiol benzoate (3.2 mu g/0.1 ml; OB) in peanut oil or 0.1 ml peanut oil alone. PR were measured using [H-3]ORG 2058, which does not bind to corticosteroid-binding globulin (CBG), and bound and free ligand were separated using minicolumns of Sephadex LH2O at 0 degrees C, PR were measured in cytosols from hypothalamus and uterus of oil-treated BALB/c mice, but were undetectable in thymus, whereas receptors were measurable in all three tissues of MRL mice. There was a significantly greater priming effect of OB on PR in uterus of BALB/c mice, but not in hypothalamus, and PR became detectable in thymus cytosols from BALB/c mice. Also, the apparent affinity of the binding reaction between [H-3]ORG 2058 and PR was significantly higher than those measured in other tissues in hypothalamic cytosols of both strains. These results suggest that there is an impairment of estrogen priming of progesterone receptors in uterus and perhaps thymus of MRL mice. (C) 2000 International Society for Immunopharmacology. Published by Elsevier Science Ltd. All rights reserved.
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页码:537 / 545
页数:9
相关论文
共 44 条
[1]   PROGESTERONE RECEPTORS IN RAT-BRAIN AND UTERUS - DEPENDENCE ON THE HORMONAL MILIEU [J].
ALKHOURI, H ;
GREENSTEIN, BD .
JOURNAL OF ENDOCRINOLOGY, 1985, 107 (02) :159-162
[2]   ANDROGEN CONTROL OF AUTOIMMUNE EXPRESSION IN LACRIMAL GLANDS OF MRL/MP-LPR/LPR MICE [J].
ARIGA, H ;
EDWARDS, J ;
SULLIVAN, DA .
CLINICAL IMMUNOLOGY AND IMMUNOPATHOLOGY, 1989, 53 (03) :499-508
[3]   Progesterone treatment increases Fos-immunoreactivity within some progestin receptor-containing neurons in localized regions of female rat forebrain [J].
Auger, AP ;
Blaustein, JD .
BRAIN RESEARCH, 1997, 746 (1-2) :164-170
[4]   ANALYSIS OF THE MECHANISM OF STEROID-HORMONE RECEPTOR-DEPENDENT GENE ACTIVATION IN CELL-FREE SYSTEMS [J].
BAGCHI, MK ;
TSAI, MJ ;
OMALLEY, BW ;
TSAI, SY .
ENDOCRINE REVIEWS, 1992, 13 (03) :525-535
[5]   SOME ASPECTS OF STEROID HORMONE-TARGET CELL-INTERACTION [J].
BAULIEU, EE .
REPRODUCTION NUTRITION DEVELOPMENT, 1980, 20 (02) :419-441
[6]   CYTOPLASMIC AND NUCLEAR ESTRADIOL AND PROGESTERONE RECEPTORS IN HUMAN ENDOMETRIUM [J].
BAYARD, F ;
DAMILANO, S ;
ROBEL, P ;
BAULIEU, EE .
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, 1978, 46 (04) :635-648
[7]   THE ONTOGENY OF SEX-DIFFERENCES IN ESTROGEN-INDUCED PROGESTERONE RECEPTORS IN RAT-BRAIN [J].
BOGIC, L ;
GERLACH, JL ;
MCEWEN, BS .
ENDOCRINOLOGY, 1988, 122 (06) :2735-2741
[8]  
CARLSTEN H, 1989, IMMUNOLOGY, V68, P209
[9]   ESTROGEN ACCELERATES IMMUNE-COMPLEX GLOMERULONEPHRITIS BUT AMELIORATES T-CELL-MEDIATED VASCULITIS AND SIALADENITIS IN AUTOIMMUNE MRL LPR/LPR MICE [J].
CARLSTEN, H ;
NILSSON, N ;
JONSSON, R ;
BACKMAN, K ;
HOLMDAHL, R ;
TARKOWSKI, A .
CELLULAR IMMUNOLOGY, 1992, 144 (01) :190-202
[10]   RESPONSE OF INBRED AND F1 HYBRID MICE TO HORMONE [J].
CHAI, CK .
NATURE, 1960, 185 (4712) :514-518