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  • Title: [Circadian rhythm of the number of DNA-syns and following adrenalectomy].
    Author: Mamontov SG.
    Journal: Biull Eksp Biol Med; 1977 Apr; 83(4):479-81. PubMed ID: 857977.
    Abstract:
    The diurnal changes of mitosis and DNA-synthesizing cells count in the tongue epithelium of intact and adrenalectomized mice were studied. A partial desynchronization of mitotic division, as well as diminution of mitotic index variation amplitude and prolongation of high mitotic activity were observed in the operated animals in the course of 24 hours. The average 24-hour mitotic index in the basal layer of the tongue epithelium was the same in the intact and the operated animals. The rhythm of the DNA synthesis failed to differe from control. Thus, adrenalectomy in mice led to distrubances of the diurnal mitotic rhythm in the tongue epithelium, but had no effect on the rhythm of the DNA synthesis and the level of the proliferative activity.
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