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It is also needed for optimal immune function as it keeps us safe from viruses

10.1007/s13312-022-2594-2 57 TillemansM

Tudor, M., Jandric, I., Marovic, A., Gjurasin, M., Perovic, D., Radic, B., Blagaic, A
Research indicates that low-dose etoposide (2 M) can induce senescence in HepG2 liver cancer cells, while higher doses (100 M) lead to apoptosis [62]

DISCUSSION In the present study, we found that in human testes FOXO4 was specifically expressed in Leydig cells, that FOXO4 showed nuclear translocation in Leydig cells within old testes, and that the nuclear translocation of FOX04 was related to decreased testosterone synthesis