{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T20:03:34Z","timestamp":1791317014566,"version":"4.3.1"},"reference-count":64,"publisher":"MDPI AG","issue":"23","license":[{"start":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T00:00:00Z","timestamp":1732492800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Medical University of Silesia in Katowice","award":["BNW-2-020\/N\/3\/F"],"award-info":[{"award-number":["BNW-2-020\/N\/3\/F"]}]},{"name":"Medical University of Silesia in Katowice","award":["BNW-2-035\/K\/4\/F"],"award-info":[{"award-number":["BNW-2-035\/K\/4\/F"]}]},{"name":"Medical University of Silesia in Katowice","award":["BNW-2-012\/K\/3\/F"],"award-info":[{"award-number":["BNW-2-012\/K\/3\/F"]}]},{"name":"Medical University of Silesia in Katowice","award":["BNW-2-036\/K\/4\/F"],"award-info":[{"award-number":["BNW-2-036\/K\/4\/F"]}]},{"name":"Medical University of Silesia in Katowice","award":["BNW-1-037\/N\/4\/F"],"award-info":[{"award-number":["BNW-1-037\/N\/4\/F"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Phototoxicity is a significant problem that occurs in a large part of the population and is often caused by commonly used pharmaceuticals, including over-the-counter drugs. Therefore, testing drugs with photosensitizing potential is very important. The aim of this study is to analyze the cytotoxicity and phototoxicity of ketoprofen towards human melanocytes and fibroblasts in three different treatment schemes in order to optimize the study. Cytometric tests (studies of viability, proliferation, intracellular thiol levels, mitochondrial potential, cell cycle, and DNA fragmentation), Western blot analysis (cytochrome c and p44\/p42 protein levels), and confocal microscopy imaging were performed to assess the impact of the developed treatments on skin cells. Research on experimental schemes may help reduce or eliminate the risk of phototoxic reactions. In the case of ketoprofen, we found that the strongest phototoxic potential was exhibited in the treatment where the drug was present in the solution during the irradiation of cells, both pigmented and non-pigmented cells. These results indicate that the greatest risk of photosensitivity reactions related to ketoprofen occurs after direct contact with the drug and UV exposure.<\/jats:p>","DOI":"10.3390\/ijms252312647","type":"journal-article","created":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T06:25:19Z","timestamp":1732515919000},"page":"12647","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["An In Vitro Strategy to Evaluate Ketoprofen Phototoxicity at the Molecular and Cellular Levels"],"prefix":"10.3390","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2904-0853","authenticated-orcid":false,"given":"Klaudia","family":"Banach","sequence":"first","affiliation":[{"name":"Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7696-5325","authenticated-orcid":false,"given":"Justyna","family":"Kowalska","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0468-705X","authenticated-orcid":false,"given":"Mateusz","family":"Maszczyk","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7892-0462","authenticated-orcid":false,"given":"Zuzanna","family":"Rzepka","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8260-4339","authenticated-orcid":false,"given":"Jakub","family":"Rok","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6918-3330","authenticated-orcid":false,"given":"Dorota","family":"Wrze\u015bniok","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,11,25]]},"reference":[{"key":"ref_1","first-page":"249","article-title":"Skin Changes During Ageing","volume":"Volume 91","author":"Girard","year":"2019","journal-title":"Biochemistry and Cell Biology of Ageing: Part II Clinical Science"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1038\/s41577-018-0084-5","article-title":"The Immunological Anatomy of the Skin","volume":"19","author":"Kabashima","year":"2019","journal-title":"Nat. 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