{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T21:47:39Z","timestamp":1782251259565,"version":"3.54.5"},"reference-count":43,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2024,7,11]],"date-time":"2024-07-11T00:00:00Z","timestamp":1720656000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background\/Objective: The aim of this study was to compare thiol\/disulfide homeostasis and clinical parameters of rosacea patients across skin subtypes of the disease and healthy controls. Methods: This prospective study included 90 rosacea patients with different skin subtypes (phymatous, erythematotelangiectatic and papulopustular) and ocular involvement and 30 healthy controls. Plasma native thiol (NT), total thiol (TT) and disulfide levels of the patients and controls were measured using an automated spectrophotometric method, and disulfide\/native thiol ratio (DNTR), disulfide\/total thiol ratio (DTTR) and native thiol\/total thiol ratio (NTTR) were calculated. Tear breakup time (TBUT), meiboscore, Schirmer, ocular surface disease index (OSDI) and rosacea-specific quality of life scale (RosaQoL) were measured clinically. Results: Disulfide, DNTR and DTTR were significantly higher, and NT, TT and NTTR were significantly lower in the rosacea patients compared to the controls (p &lt; 0.001). TBUT and Schirmer were significantly lower, and meiboscore and OSDI were significantly higher in the patients compared to the controls (p &lt; 0.01). According to the skin subtypes, disulfide, DNTR and DTTR were significantly higher, and NTTR was significantly lower in the erythematotelangiectatic subtype compared to the other subtypes (p &lt; 0.002). TBUT was significantly lower, and RosaQol was significantly higher in the erythematotelangiectatic subtype (p &lt; 0.0083). Strong correlations were found between DNTR and TBUT and between DNTR and Meiboscore in all subtypes (p &lt; 0.005), while there were strong correlations between DNTR and OSDI and between DNTR and RosaQol only in the erythematotelangiectatic and papulopustular subtypes (p &lt; 0.05). Conclusions: The thiol\/disulfide homeostasis shifted towards disulfides, an indicator of oxidative stress in rosacea, and this was more pronounced in the erythematotelangiectatic subtype. The impairment in TBUT and RosaQol was also more prominent in the erythematotelangiectatic subtype and strongly associated with the DNTR.<\/jats:p>","DOI":"10.3390\/jcm13144052","type":"journal-article","created":{"date-parts":[[2024,7,11]],"date-time":"2024-07-11T11:33:22Z","timestamp":1720697602000},"page":"4052","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Investigation of Thiol\/Disulfide Homeostasis and Clinical Parameters in Rosacea Patients According to Skin Subtypes"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8632-2873","authenticated-orcid":false,"given":"Nilufer","family":"Yesilirmak","sequence":"first","affiliation":[{"name":"Department of Ophthalmology, Ankara Yildirim Beyazit University, 06800 Ankara, Turkey"},{"name":"Department of Medical Biochemistry, Gazi University, 06500 Ankara, Turkey"},{"name":"Department of Ophthalmology, Ankara Bilkent City Hospital, 06800 Ankara, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ozge","family":"Saritas","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Battalgazi State Hospital, 44320 Malatya, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Busra","family":"Kurt","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Ankara Bilkent City Hospital, 06800 Ankara, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Salim","family":"Neselioglu","sequence":"additional","affiliation":[{"name":"Department of Medical Biochemistry, Ankara Yildirim Beyazit University, 06800 Ankara, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akin","family":"Aktas","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Ankara Yildirim Beyazit University, 06800 Ankara, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2996-3236","authenticated-orcid":false,"given":"Ozcan","family":"Erel","sequence":"additional","affiliation":[{"name":"Department of Medical Biochemistry, Ankara Yildirim Beyazit University, 06800 Ankara, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,7,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"457","DOI":"10.1007\/s40257-015-0156-2","article-title":"New and Emerging Treatments for Rosacea","volume":"16","author":"Gold","year":"2015","journal-title":"Am. 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