EFFECT OF SYMPATHETIC DENERVATION OF THE PINEAL-GLAND ON MATERNAL COORDINATION OF THE CIRCADIAN-RHYTHM OF ALPHA-AMYLASE IN PAROTID-GLAND FROM YOUNG-RATS

被引：4

作者：

BELLAVIA, SL ^{[1
]}

SANZ, EG ^{[1
]}

GALLARA, RV ^{[1
]}

CARPENTIERI, A ^{[1
]}

VERMOUTH, NT ^{[1
]}

机构：

[1] NATL UNIV CORDOBA, FAC CIENCIAS MED, CATEDRA QUIM BIOL, CORDOBA, ARGENTINA

来源：

ARCHIVES OF ORAL BIOLOGY | 1993年 / 38卷 / 12期

关键词：

MATERNAL COORDINATION; CIRCADIAN RHYTHM; SUPERIOR CERVICAL GANGLION; MELATONIN;

D O I：

10.1016/0003-9969(93)90175-L

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

Twenty-five-day-old rats maintained in constant darkness since birth and born from mothers kept in the dark since the 14th day of pregnancy showed a circadian rhythm of alpha-amylase content in parotid glands, which may be explained by a mechanism of maternal co-ordination. Rats in the same conditions, except that their mothers had been submitted to bilateral excision of the superior cervical ganglia 30 days before mating, did not show diurnal variations of alpha-amylase activity in the parotid glands. When ganglionectomized mothers were treated with a daily dose of melatonin (1 mg/kg) from the 14th day of gestation up to the 10th day of lactation, their litters showed significant diurnal variations of amylase in the parotid glands, suggesting a role of the maternal pineal gland in the maternal-fetal and/or maternal-neonatal transfer of photoperiodic information.

引用

页码：1121 / 1125

页数：5

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