CHARACTERIZATION AND REGULATION OF PREOVULATORY SECRETION OF GONADOTROPIN-RELEASING-HORMONE

被引:18
作者
MOENTER, SM
CARATY, A
LEHMAN, MN
KARSCH, FJ
机构
[1] UNIV CINCINNATI,DEPT ANAT & CELL BIOL,CINCINNATI,OH 45221
[2] UNIV MICHIGAN,DEPT PHYSIOL,ANN ARBOR,MI 48109
[3] INRA,PHYSIOL REPROD STN,F-37380 NOUZILLY,FRANCE
关键词
GONADOTROPIN-RELEASING HORMONE; LUTEINIZING HORMONE; ESTRADIOL; OVULATION; SHEEP;
D O I
10.1093/humrep/8.suppl_2.51
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
Using an elegant method for sampling of pituitary portal blood the secretory characteristics of gonadotrophin-releasing hormone (GnRH) during the oestradiol reduced surge are studied. It is demonstrated that the induced signal for ovulation in the ewe is a surge of GnRH released into the portal blood.
引用
收藏
页码:51 / 56
页数:6
相关论文
共 20 条
[1]   SEASONAL-CHANGES OF GONADOTROPIN-RELEASING-HORMONE SECRETION IN THE EWE [J].
BARRELL, GK ;
MOENTER, SM ;
CARATY, A ;
KARSCH, FJ .
BIOLOGY OF REPRODUCTION, 1992, 46 (06) :1130-1135
[2]  
CARATY A, 1988, J REPROD FERTIL, V82, P263, DOI 10.1530/jrf.0.0820263
[3]   GNRH SECRETION THROUGHOUT THE OVINE ESTROUS-CYCLE [J].
CLARKE, IJ ;
THOMAS, GB ;
YAO, B ;
CUMMINS, JT .
NEUROENDOCRINOLOGY, 1987, 46 (01) :82-88
[4]   THE ESTROGEN-INDUCED SURGE OF LH REQUIRES A SIGNAL PATTERN OF GONADOTROPIN-RELEASING HORMONE INPUT TO THE PITUITARY-GLAND IN THE EWE [J].
CLARKE, IJ ;
CUMMINS, JT ;
JENKIN, M ;
PHILLIPS, DJ .
JOURNAL OF ENDOCRINOLOGY, 1989, 122 (01) :127-134
[5]   THE TEMPORAL RELATIONSHIP BETWEEN GONADOTROPIN-RELEASING HORMONE (GNRH) AND LUTEINIZING-HORMONE (LH) SECRETION IN OVARIECTOMIZED EWES [J].
CLARKE, IJ ;
CUMMINS, JT .
ENDOCRINOLOGY, 1982, 111 (05) :1737-1739
[6]   BEYOND THE 2ND MESSENGER - ONCOGENES AND TRANSCRIPTION FACTORS [J].
CURRAN, T ;
RAUSCHER, FJ ;
COHEN, DR ;
FRANZA, BR .
COLD SPRING HARBOR SYMPOSIA ON QUANTITATIVE BIOLOGY, 1988, 53 :769-777
[7]   RELEASE OF LUTEINIZING-HORMONE-RELEASING HORMONE, BETA-ENDORPHIN AND NORADRENALINE BY THE NUCLEUS INFUNDIBULARIS MEDIAN-EMINENCE DURING PERIOVULATORY PERIOD IN THE SHEEP [J].
DOMANSKI, E ;
CHOMICKA, LK ;
OSTROWSKA, A ;
GAJEWSKA, A ;
MATEUSIAK, K .
NEUROENDOCRINOLOGY, 1991, 54 (02) :151-158
[8]  
Goodman R L, 1988, PHYSL REPRODUCTION, P1929
[9]   IMPORTANCE OF VARIATIONS IN BEHAVIORAL AND FEEDBACK ACTIONS OF ESTRADIOL TO THE CONTROL OF SEASONAL BREEDING IN THE EWE [J].
GOODMAN, RL ;
LEGAN, SJ ;
RYAN, KD ;
FOSTER, DL ;
KARSCH, FJ .
JOURNAL OF ENDOCRINOLOGY, 1981, 89 (02) :229-240
[10]   THE NEUROENDOCRINE SIGNAL FOR OVULATION [J].
KARSCH, FJ ;
MOENTER, SM ;
CARATY, A .
ANIMAL REPRODUCTION SCIENCE, 1992, 28 (1-4) :329-341