NORMAL FLUCTUATIONS IN THE CONCENTRATION OF CORTICOSTEROID AND ADRENOCORTICOTROPIN IN THE PLASMA OF FETAL AND PREGNANT SHEEP

被引:31
作者
JONES, CT
机构
关键词
D O I
10.1055/s-0028-1092716
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Changes in the concentration of adrenocorticotrophin and corticosteroid in the plasma of pregnant and foetal sheep have been followed at different times of day. Wide fluctuations were seen in the concentrations of both in the foetus and ewe, although no evidence for a diurnal rhythm in the ewe was obtained. The foetal plasma adrenocorticotrophin was higher at 07.00-11.00 hr than at 21.00-01.00 hr, but no corticosteroid rhythm was observed. A consistently close relation between maternal and foetal hormone concentrations was not observed. The diurnal rhythm in adrenocorticotrophin concentration in the foetus is discussed in relation to rhythms in indicators or central nervous activity.
引用
收藏
页码:237 / 241
页数:5
相关论文
共 30 条
[1]  
Basset J. J., 1973, ENDOCRINOLOGY PREGNA, P126
[2]   MICRO-DETERMINATION OF CORTICOSTEROIDS IN OVINE PERIPHERAL PLASMA - EFFECTS OF VENIPUNCTURE, CORTICOTROPHIN, INSULIN AND GLUCOSE [J].
BASSETT, JM ;
HINKS, NT .
JOURNAL OF ENDOCRINOLOGY, 1969, 44 (03) :387-+
[3]   FETAL AND MATERNAL SECRETION RATE OF CORTISOL IN SHEEP - DIFFUSION RESISTANCE OF PLACENTA [J].
BEITINS, IZ ;
KOWARSKI, A ;
SHERMETA, DW ;
DELEMOS, RA ;
MIGEON, CJ .
PEDIATRIC RESEARCH, 1970, 4 (02) :129-&
[4]   RADIOIMMUNOASSAY OF ACTH IN PLASMA [J].
BERSON, SA ;
YALOW, RS .
JOURNAL OF CLINICAL INVESTIGATION, 1968, 47 (12) :2725-&
[5]   CHANGES IN PLASMA ACTH AND CORTICOSTEROID OF MATERNAL AND FETAL SHEEP DURING HYPOXIA [J].
BODDY, K ;
JONES, CT ;
MANTELL, C ;
RATCLIFF.JG ;
ROBINSON, JS .
ENDOCRINOLOGY, 1974, 94 (02) :588-591
[6]   CORRELATIONS BETWEEN PLASMA ACTH CONCENTRATIONS AND BREATHING MOVEMENTS IN FETAL SHEEP [J].
BODDY, K ;
JONES, CT ;
ROBINSON, JS .
NATURE, 1974, 250 (5461) :75-76
[7]  
Boddy K, 1973, FOETAL NEONATAL PHYS, P63
[8]   ONCE-A-DAY NEURALLY STIMULATED AND BASAL ACTH SECRETION PHASES IN MAN AND THEIR RESPONSE TO CORTICOID INHIBITION [J].
CERESA, F ;
ANGELI, A ;
BOCCUZZI, G ;
MOLINO, G .
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, 1969, 29 (08) :1074-+
[9]   EFFECTS OF BILATERAL ADRENALECTOMY AND CONTINUOUS LIGHT ON CIRCADIAN RHYTHM OF CORTICOTROPIN IN FEMALE RATS [J].
CHEIFETZ, P ;
GAFFUD, N ;
DINGMAN, JF .
ENDOCRINOLOGY, 1968, 82 (06) :1117-&
[10]   SEX DIFFERENCE IN RESTING PITUITARY-ADRENAL FUNCTION IN RAT [J].
CRITCHLOW, V ;
BARSELA, M ;
MOUNTCASTLE, W ;
LIEBELT, RA ;
LIPSCOMB, HS .
AMERICAN JOURNAL OF PHYSIOLOGY, 1963, 205 (05) :807-&