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We have assessed whether serum markers of inflammation and vascular integrity are associated with the severity of corneal nerve loss in patients with TIA and AIS. Corneal confocal microscopy (CCM) was performed to quantify corneal nerve fiber density (CNFD), corneal nerve branch density (CNBD) and corneal nerve fiber length (CNFL) in 105 patients with TIA (n\u2009=\u200924) or AIS (n\u2009=\u200981) and age matched control subjects (n\u2009=\u200956). Circulating levels of IL-6, MMP-2, MMP-9, E-Selectin, P-Selectin and VEGF were quantified in patients within 48\u00a0h of presentation with a TIA or AIS. CNFL (P\u2009=\u20090.000, P\u2009=\u20090.000), CNFD (P\u2009=\u20090.122, P\u2009=\u20090.000) and CNBD (P\u2009=\u20090.002, P\u2009=\u20090.000) were reduced in patients with TIA and AIS compared to controls, respectively with no difference between patients with AIS and TIA. The NIHSS Score (P\u2009=\u20090.000), IL-6 (P\u2009=\u20090.011) and E-Selectin (P\u2009=\u20090.032) were higher in patients with AIS compared to TIA with no difference in MMP-2 (P\u2009=\u20090.636), MMP-9 (P\u2009=\u20090.098), P-Selectin (P\u2009=\u20090.395) and VEGF (P\u2009=\u20090.831). CNFL (r\u2009=\u20090.218, P\u2009=\u20090.026) and CNFD (r\u2009=\u20090.230, P\u2009=\u20090.019) correlated with IL-6 and multiple regression analysis showed a positive association of CNFL and CNFD with IL-6 (P\u2009=\u20090.041, P\u2009=\u20090.043). Patients with TIA and AIS have evidence of corneal nerve loss and elevated IL6 and E-selectin levels. Larger longitudinal studies are required to determine the association between inflammatory and vascular markers and corneal nerve fiber loss in patients with cerebrovascular disease.<\/jats:p>","DOI":"10.1038\/s41598-022-07353-7","type":"journal-article","created":{"date-parts":[[2022,2,28]],"date-time":"2022-02-28T06:02:49Z","timestamp":1646028169000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Corneal nerve loss in patients with TIA and acute ischemic stroke in relation to circulating markers of inflammation and vascular integrity"],"prefix":"10.1038","volume":"12","author":[{"given":"Adnan","family":"Khan","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aijaz","family":"Parray","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naveed","family":"Akhtar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Abdelali","family":"Agouni","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Saadat","family":"Kamran","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sajitha V.","family":"Pananchikkal","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruth","family":"Priyanka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hoda","family":"Gad","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Georgios","family":"Ponirakis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ioannis N.","family":"Petropoulos","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kuan-Han","family":"Chen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kausar","family":"Tayyab","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maher","family":"Saqqur","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ashfaq","family":"Shuaib","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rayaz A.","family":"Malik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,2,28]]},"reference":[{"key":"7353_CR1","doi-asserted-by":"publisher","first-page":"E52","DOI":"10.5888\/pcd16.180411","volume":"16","author":"X Tong","year":"2019","unstructured":"Tong, X. et al. 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