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Effective protection of RGCs is the key to successful treatment of these diseases. Total Panax notoginseng saponins (TPNS) are the main active component of Panax notoginseng, which has an inhibitory effect on the apoptosis pathway. This study is aimed at assessing the protective effect of TPNS on RGCs of the optic nerve crush (ONC) model of rats and exploring the underlying mechanisms. The intraperitoneal or intravitreal injection of TPNS was used based on the establishment of the rat ONC model. Fifteen days after the injury, the cell membrane fluorescent probe (Fluoro\u2010Gold) was applied to retrograde RGCs through the superior colliculus and obtain the number of surviving RGCs. TUNEL assay was also used to detect the number and density of RGC apoptosis after the ONC model. The expression and distribution of Bcl\u20102\/Bax, c\u2010Jun\/P\u2010c\u2010Jun, and P\u2010JNK in the retina were demonstrated by Western blot analysis. After the intervention of TPNS, the rate of cell survival increased in different retinal regions (<jats:italic>p<\/jats:italic> &lt; 0.05) and the number of apoptosis cells decreased. Regarding the expression of Bcl\u20102\/Bax, c\u2010Jun\/P\u2010c\u2010Jun, and P\u2010JNK\u2010related apoptotic proteins, TPNS can reduce the level of apoptosis and play a role in protecting RGCs (<jats:italic>p<\/jats:italic> &lt; 0.05). These findings indicate that topical administration of TPNS can inhibit cell apoptosis and promote RGC survival in the crushed optic nerve.<\/jats:p>","DOI":"10.1155\/2021\/4356949","type":"journal-article","created":{"date-parts":[[2021,8,5]],"date-time":"2021-08-05T19:35:08Z","timestamp":1628192108000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Protective Effect of Total Panax Notoginseng Saponins on Retinal Ganglion Cells of an Optic Nerve Crush Injury Rat Model"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1371-6951","authenticated-orcid":false,"given":"Huimin","family":"Zhong","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7249-1131","authenticated-orcid":false,"given":"Huan","family":"Yu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0061-4849","authenticated-orcid":false,"given":"Bo","family":"Chen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5143-3234","authenticated-orcid":false,"given":"Lei","family":"Guo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3690-4004","authenticated-orcid":false,"given":"Xing","family":"Xu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1530-6830","authenticated-orcid":false,"given":"Min","family":"Jiang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5604-6591","authenticated-orcid":false,"given":"Yisheng","family":"Zhong","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2282-1400","authenticated-orcid":false,"given":"Jin","family":"Qi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2513-8984","authenticated-orcid":false,"given":"Ping","family":"Huang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,8,5]]},"reference":[{"key":"e_1_2_10_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuropharm.2018.04.028"},{"key":"e_1_2_10_2_2","doi-asserted-by":"publisher","DOI":"10.3791\/2685"},{"key":"e_1_2_10_3_2","doi-asserted-by":"publisher","DOI":"10.1093\/hmg\/ddx273"},{"key":"e_1_2_10_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1474-4422(16)30237-X"},{"key":"e_1_2_10_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.apsb.2014.11.002"},{"key":"e_1_2_10_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.phymed.2010.11.014"},{"key":"e_1_2_10_7_2","doi-asserted-by":"publisher","DOI":"10.1211\/jpp.58.8.0001"},{"key":"e_1_2_10_8_2","doi-asserted-by":"publisher","DOI":"10.1248\/cpb.c19-00994"},{"key":"e_1_2_10_9_2","doi-asserted-by":"publisher","DOI":"10.1021\/jf502214x"},{"key":"e_1_2_10_10_2","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jafc.9b02954"},{"key":"e_1_2_10_11_2","doi-asserted-by":"publisher","DOI":"10.3892\/mmr.2017.7519"},{"key":"e_1_2_10_12_2","doi-asserted-by":"publisher","DOI":"10.3892\/mmr.2016.5556"},{"key":"e_1_2_10_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jgr.2016.12.003"},{"key":"e_1_2_10_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jep.2006.12.015"},{"key":"e_1_2_10_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.pnpbp.2009.07.020"},{"key":"e_1_2_10_16_2","first-page":"1101","article-title":"Effects of Panax notoginseng saponins on vascular endothelial cells in vitro","volume":"21","author":"Kwan C. 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