Persistent T lymphocyte rhythms despite suppressed circadian clock outputs in rats

Circadian rhythms in circulating leukocyte and lymphocyte counts persisted with halved amplitudes in constant light (LL) of 300 Ix intensity for 8 wk, whereas circadian rhythms in body temperature, locomotor activity, and plasma catecholamines were completely suppressed.

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Bibliographic Details
Published inAmerican journal of physiology. Regulatory, integrative and comparative physiology Vol. 42; no. 6; pp. R1891 - R1899
Main Authors DEPRES-BRUMMER, P, BOURIN, P, PAGES, N, METZGER, G, LEVI, F
Format Journal Article
LanguageEnglish
Published Bethesda, MD American Physiological Society 01.12.1997
Subjects
Biological and medical sciences
Cellular biology
Chronobiology
Circadian rhythm
Fundamental and applied biological sciences. Psychology
Rodents
Vertebrates: anatomy and physiology, studies on body, several organs or systems
Rat
Body temperature
Rodentia
Biological rhythm
Circadian rhythm
Catecholamine
Vertebrata
Mammalia
Light
T-Lymphocyte
Oscillation
Desynchronization
Neuroimmunomodulation
Obscurity
Immune system
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Summary:Circadian rhythms in circulating leukocyte and lymphocyte counts persisted with halved amplitudes in constant light (LL) of 300 Ix intensity for 8 wk, whereas circadian rhythms in body temperature, locomotor activity, and plasma catecholamines were completely suppressed.
ISSN:0363-6119
1522-1490