In people over 60 years, thymocytes contain proliferation protein Ki67 and proapoptotic protein P53. During aging, apoptosis of thymus cell prevails over proliferation, though thymocytes retain proliferative capacity even in long-livers.
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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 151, No. 4, pp. 442–444, April, 2011
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Linkova, N.S., Polyakova, V.O. & Kvetnoy, I.M. Interrelation of Cell Apoptosis and Proliferation in the Thymus during Its Involution. Bull Exp Biol Med 151, 460–462 (2011). https://doi.org/10.1007/s10517-011-1356-2
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DOI: https://doi.org/10.1007/s10517-011-1356-2