{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T05:23:51Z","timestamp":1790573031643,"version":"4.1.0"},"reference-count":40,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2018,6,20]],"date-time":"2018-06-20T00:00:00Z","timestamp":1529452800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002426","name":"Fondazione Telethon","doi-asserted-by":"publisher","award":["Telethon IG 12264"],"award-info":[{"award-number":["Telethon IG 12264"]}],"id":[{"id":"10.13039\/501100002426","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>The term orthodisease defines human disorders in which the pathogenic gene has orthologs in model organism genomes. Yeasts have been instrumental for gaining insights into the molecular basis of many human disorders, particularly those resulting from impaired cellular metabolism. We and others have used yeasts as a model system to study the molecular basis of Hailey-Hailey disease (HHD), a human blistering skin disorder caused by haploinsufficiency of the gene ATP2C1 the orthologous of the yeast gene PMR1. We observed that K. lactis cells defective for PMR1 gene share several biological similarities with HHD derived keratinocytes. Based on the conservation of ATP2C1\/PMR1 function from yeast to human, here we used a yeast-based assay to screen for molecules able to influence the pleiotropy associated with PMR1 deletion. We identified six compounds, Kaempferol, Indirubin, Lappaconite, Cyclocytidine, Azomycin and Nalidixic Acid that induced different major shape phenotypes in K. lactis. These include mitochondrial and the cell-wall morphology-related phenotypes. Interestingly, a secondary assay in mammalian cells confirmed activity for Kaempferol. Indeed, this compound was also active on human keratinocytes depleted of ATP2C1 function by siRNA-treatment used as an in-vitro model of HHD. We found that Kaempferol was a potent NRF2 regulator, strongly inducing its expression and its downstream target NQO1. In addition, Kaempferol could decrease oxidative stress of ATP2C1 defective keratinocytes, characterized by reduced NRF2-expression. Our results indicated that the activation of these pathways might provide protection to the HHD-skin cells. As oxidative stress plays pivotal roles in promoting the skin lesions of Hailey-Hailey, the NRF2 pathway could be a viable therapeutic target for HHD.<\/jats:p>","DOI":"10.3390\/ijms19061814","type":"journal-article","created":{"date-parts":[[2018,6,20]],"date-time":"2018-06-20T10:41:24Z","timestamp":1529491284000},"page":"1814","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Yeast-Based Screen to Identify Natural Compounds with a Potential Therapeutic Effect in Hailey-Hailey Disease"],"prefix":"10.3390","volume":"19","author":[{"given":"Graziella","family":"Ficociello","sequence":"first","affiliation":[{"name":"Department of Biology and Biotechnology \u201cC. Darwin\u201d, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Azzurra","family":"Zonfrilli","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samantha","family":"Cialfi","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudio","family":"Talora","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6841-8129","authenticated-orcid":false,"given":"Daniela","family":"Uccelletti","sequence":"additional","affiliation":[{"name":"Department of Biology and Biotechnology \u201cC. Darwin\u201d, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2018,6,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2021","DOI":"10.1016\/j.febslet.2005.03.003","article-title":"Hailey-Hailey disease as an orthodisease of PMR1 deficiency in Saccharomyces cerevisiae","volume":"579","author":"Kellermayer","year":"2005","journal-title":"FEBS Lett."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"586","DOI":"10.1111\/j.1600-0625.2012.01520.x","article-title":"Hailey-Hailey disease and tight junctions: Claudins 1 and 4 are regulated by ATP2C1 gene encoding Ca2+\/Mn2+ ATPase SPCA1 in cultured keratinocytes","volume":"21","author":"Raiko","year":"2012","journal-title":"Exp. 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