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The majority of diagnosed LHON cases are caused by a point mutation at position 11,778 in the mitochondrial genome. LHON mainly affects young men in their 20s and 30s with usually poor visual prognosis. It remains unexplained why men are more likely to develop the disease and why only retinal ganglion cells are affected. In this study, a cell model was used for the first time to investigate the influence of testosterone on the cell death mechanism apoptosis and on an autophagy\/mitophagy. Cells with m.11778G\u2009&gt;\u2009A were found to be significantly more susceptible to nucleosome formation and effector caspase activation that serve as hallmarks of apoptotic cell death. Cells having this mutation expressed higher levels of mitophagic receptors BNIP3 and BNIP3L\/Nix in a medium with testosterone. Moreover, cells having the mutation exhibited greater mitochondrial mass, which suggests these cells have a decreased cell survival. The observed decrease in cell survival was supported by the observed increase in apoptotic cell death. Autophagy was analyzed after inhibition with Bafilomycin A1 (Baf A1). The results indicate impairment in autophagy in LHON cells due to lower autophagic flux supported by observed lower levels of autophagosome marker LC3-II. The observed impaired lower autophagic flux in mutant cells correlated with increased levels of BNIP3 and BNIP3L\/Nix in mutant cells.<\/jats:p>","DOI":"10.1007\/s13353-020-00550-y","type":"journal-article","created":{"date-parts":[[2020,3,10]],"date-time":"2020-03-10T08:02:46Z","timestamp":1583827366000},"page":"195-203","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Testosterone increases apoptotic cell death and decreases mitophagy in Leber\u2019s hereditary optic neuropathy cells"],"prefix":"10.1007","volume":"61","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2820-4166","authenticated-orcid":false,"given":"Elona","family":"Jankauskait\u0117","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anna Maria","family":"Ambroziak","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Parvana","family":"Hajieva","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Monika","family":"O\u0142dak","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katarzyna","family":"To\u0144ska","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Magdalena","family":"Korwin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ewa","family":"Bartnik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Agata","family":"Kodro\u0144","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,3,10]]},"reference":[{"issue":"12","key":"550_CR1","doi-asserted-by":"publisher","first-page":"1731","DOI":"10.1136\/jnnp.2003.024372","volume":"75","author":"C Battisti","year":"2004","unstructured":"Battisti C, Formichi P, Cardaioli E, Bianchi S, Mangiavacchi P, Tripodi SA et al (2004) Cell response to oxidative stress induced apoptosis in patients with Leber\u2019s hereditary optic neuropathy. 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