M. E. Diatroptov

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Infradian rhythms of esophageal epithelium mitotic activity were studied in male Wistar rats of two age groups: 35-45 days (prepubertal) and 3-4 months (adults). Studies of the time course of esophageal epithelium mitotic indexes in adult males showed 4- and 12-day biorhythms, while prepubertal rats exhibited only 4-day infradian biorhythms of this(More)
The blood serum thyroxine and corticosterone levels of molting starlings (Sturnus vulgaris) were determined daily by enzyme immunoassay over 15 days. A 3-day rhythm for changes in the thyroxine content and a 4-day rhythm for corticosterone were observed, taking place synchronously in different individuals. The beginning of new flight feather growth(More)
Everyday dynamics of corticosterone and thyroxin levels on blood serum, as well as esophageal epithelium proliferation activity in Japanese quail males, have been investigated over a period of 16 days. It was estimated that different individuals synchronically exhibited a 4-day rhythm of the corticosterone serum level. The thyroxin level displayed a 3-day(More)
Many-day rhythms of proliferative activity of the corneal and esophageal epithelium and serum corticosterone levels were studied in adult male Wistar rats. We detected a 4-day rhythm of proliferative activity of esophageal epithelium negatively correlating with corticosterone level. A more pronounced decrease in the number of mitoses in the esophageal and(More)
Four psychotypes differing by cognitive activity and psychoemotional reactions were distinguished in a population of orchiectomied Wistar rats and in a population of intact animals on the model of a complex cognitive test combined with the free choice method. With similar parameters of cognitive activity, the psychotypes of castrated rats were inferior to(More)
Several-day rhythmic changes in the lymphocyte subpopulation composition and peripheral blood levels of IL-2 and hydrocortisone were studied in healthy men. The samples were collected daily at 8.00. A 4-day rhythm of hydrocortisone secretion manifested synchronously in different individuals. Rhythmic changes in IL-2 level, T-helper/T-suppressor cytotoxic(More)
This work presents the results of the amplitude-phase structure of the physiological rhythms (locomotor activity) and steroid hormones production (common testosterone and cortisole) in gelded and intact Wistar male rats as well as rats exposed to an information load. The markers have been shown to depend on the social state of the animal. It was proved that(More)
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