Literature DB >> 6178953

Effect of sexual steroids upon ontogeny of alpha-amylase of rat parotid gland.

S L Bellavia, E G Sanz, N T Vermouth, A Blanco.   

Abstract

The effect of gonadectomy (at the 10th day of life) and treatment with sexual steroids (during the first month) upon development of alpha-amylase activity in rat parotid gland has been studied. Alpha-amylase specific activity of parotid glands from 20-day-old orchidectomized rats and from 25-day-old ovariectomized animals was significantly higher than that of intact male and female rats of the same age respectively. Spayed males treated with testosterone (10 microgram/day on the 13th, 15th, and 17th day) and ovariectomized rats treated with oestradiol (2.5 microgram/day from the 16th to the 22nd day) showed values of enzymic activity similar to those of normal animals. Results indicate that oestradiol and testosterone have an inhibitory effect upon the increase of alpha-amylase activity in parotid gland during a very defined period of development.

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Year:  1982        PMID： 6178953     DOI： 10.1007/BF00226891

Source DB:  PubMed          Journal:  Mol Cell Biochem        ISSN： 0300-8177            Impact factor:   3.396


  12 in total

1.  Changes with age in levels of serum gonadotropins, prolactin and gonadal steroids in prepubertal male and female rats.

Authors:  K D Döhler; W Wuttke
Journal:  Endocrinology       Date:  1975-10       Impact factor: 4.736

2.  Perinatal changes in amylase and serum corticosterone levels in rats.

Authors:  T Takeuchi; M Ogawa; C Furihata; T Kawachi; T Sugimura
Journal:  Biochim Biophys Acta       Date:  1977-05-26

3.  Development of the rat salivary glands. IV. Amylase and ribonuclease activity during embryonic and neonatal development of the parotid and submaxillary glands.

Authors:  W D Ball
Journal:  Dev Biol       Date:  1974-12       Impact factor: 3.582

4.  Plasma oestradiol-17beta and its relationship to serum follicle-stimulating hormone in immature female rats.

Authors:  H M Meijs-Roelofs; J T Uilenbroek; F H de Jong; R Welschen
Journal:  J Endocrinol       Date:  1973-11       Impact factor: 4.286

5.  Androgen concentrations in plasma and testis of developing rats.

Authors:  J A Resko; H H Feder; R W Goy
Journal:  J Endocrinol       Date:  1968-04       Impact factor: 4.286

6.  Morphologic and biochemical observations on the development of the rat parotid gland.

Authors:  R S Redman; L M Sreebny
Journal:  Dev Biol       Date:  1971-06       Impact factor: 3.582

7.  Effect of human saliva and various compounds on the adsorption of the bacterium Streptococcus mutans to hydroxyapatite.

Authors:  L G Simonson; D A Reiher
Journal:  Arch Oral Biol       Date:  1981       Impact factor: 2.633

8.  The onset and establishment of spermatogenesis in rats in relation to gonadotrophin and testosterone levels.

Authors:  F H de Jong; R M Sharpe
Journal:  J Endocrinol       Date:  1977-11       Impact factor: 4.286

9.  Precocious differentiation of mouse parotid glands and pancreas induced by hormones.

Authors:  T Takuma; M Nakanishi; Y Takagi; T Tanemura; M Kumegawa
Journal:  Biochim Biophys Acta       Date:  1978-01-18

10.  Effects of hormones on differentiation of parotid glands of suckling mice in vitro.

Authors:  M Kumegawa; T Takuma; S Hosoda; M Nakanishi
Journal:  Biochim Biophys Acta       Date:  1978-11-15
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