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It has been shown that hydrogen sulphide (H<jats:sub>2<\/jats:sub>S) acts an antioxidant, neuroprotective and neuromodulator and provides protection against oxidative stress and apoptosis. This study aims to examine through which apoptotic pathway H<jats:sub>2<\/jats:sub>S acts in experimental glaucoma model. Twenty\u2010two male wistar albino rats were used in this study. Group 1 (n\u00a0=\u00a06, control group): Intravitreal saline was given in the third week without inducing ocular hypertension (OHT) with laser photocoagulation. Group 2 (n\u00a0=\u00a08): After the induction of OHT with laser photocoagulation, intravitreal saline was given in the third week. Group 3 (n\u00a0=\u00a08): After the induction of OHT with laser photocoagulation, intravitreal H<jats:sub>2<\/jats:sub>S\u2019s donor sodium hydrosulphide (NaSH) 100\u00a0nmol\/L was given in the third week. At the end of the 6th week, the eyes of the rats were sacrified under anaesthesia and extracted and then routine tissue follow\u2010up was undertaken. Besides haematoxylin &amp; eosin (H&amp;E) staining, Bax, Bcl\u20102, p53 and caspase\u20103 activation were examined immunohistochemically in the retina and the cornea. This showed that ocular hypertension caused apoptosis through the intrinsic pathway, due to Bax and caspase\u20103 activation, in both retina and cornea, and that this led to DNA damage due to p53 activation. Also, we found that H<jats:sub>2<\/jats:sub>S exposure in glaucoma distinctly suppressed Bax, caspase\u20103 and p53 activations in retina but that it has a limited effect on the cornea. According to these results, glaucoma caused apoptosis in the retina through intrinsic pathway, and the damage to the retina could be compensated partially by H<jats:sub>2<\/jats:sub>S but would have limited on the cornea.<\/jats:p>","DOI":"10.1111\/iep.12334","type":"journal-article","created":{"date-parts":[[2019,11,28]],"date-time":"2019-11-28T07:00:35Z","timestamp":1574924435000},"page":"330-336","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["The effects of intravitreal H<sub>2<\/sub>S application on apoptosis in the retina and cornea in experimental glaucoma model"],"prefix":"10.1111","volume":"100","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3523-6542","authenticated-orcid":false,"given":"Zuleyha","family":"Erisgin","sequence":"first","affiliation":[{"name":"Giresun University Faculty of Medicine Department of Histology and Embryology Giresun 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