The effect of heat exposure on the circadian rhythm of the enzymatic activity in different sections of the rat small intestine

Two-hour heat exposure (40-41 degrees C) was shown to change the circadian rhythms of enteral gamma-amylase, maltase and sucrase activities. The character and obviousness of the changes depended on the type of enzyme activity and the portion of the small intestine. The heat exposure did not change d...

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Bibliographic Details
Published inFiziologicheskii zhurnal SSSR imeni I. M. Sechenova Vol. 78; no. 9; p. 122
Main Authors Smirnova, G I, Rakhimov, K R
Format Journal Article
LanguageRussian
Published Russia (Federation) 01.09.1992
Subjects
alpha-Glucosidases - metabolism
Animals
Circadian Rhythm - physiology
Female
Glucan 1,4-alpha-Glucosidase - metabolism
Hot Temperature
Intestine, Small - enzymology
Male
Rats
Rats, Wistar
Sucrase - metabolism
Temperature
Time Factors
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Summary:Two-hour heat exposure (40-41 degrees C) was shown to change the circadian rhythms of enteral gamma-amylase, maltase and sucrase activities. The character and obviousness of the changes depended on the type of enzyme activity and the portion of the small intestine. The heat exposure did not change daily mean levels of enzymatic activities and their distribution along the small intestine.
ISSN:0015-329X