Evaluation of the Effects of HDAC Activity in Hydroxychloroquine Applied Human Primary Chondrocyte and Nucleus Pulposus Cultures

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dc.contributor.authorKaya, Yasin Emre
dc.contributor.authorKaraarslan, Numan
dc.contributor.authorYilmaz, Ibrahim
dc.contributor.authorTamdogan, Tamer
dc.contributor.authorOndul, Sevim
dc.contributor.authorYasar Sirin, Duygu
dc.contributor.authorOzbek, Hanefi
dc.date.accessioned2025-03-20T09:50:27Z
dc.date.available2025-03-20T09:50:27Z
dc.date.issued2025
dc.departmentİzmir Bakırçay Üniversitesi
dc.description.abstractAIM: To evaluate the in vitro effects of hydroxychloroquine (HCQ) on histone deacetylase (HDAC) enzyme activity and interleukin (IL)-6, IL-10, and tumor necrosis factor-alpha (TNF-alpha) expressions. MATERIAL and METHODS: Primary cell cultures were prepared. Samples that did not receive any medication constituted the control group, while culture samples treated with HCQ served as the study group. The surface morphology of cells and the extracellular matrix (ECM) were evaluated by Giemsa staining and inverted light microscopy. Cell viability, proliferation, and cytotoxicity were determined by 3-(4,5-dimethylthiazol2-yl)-2,5-diphenyltetrazolium-bromide (MTT) analysis. The cultures were simultaneously stained with acridine orange (AO)/propidium iodide (PI) and viewed under fluorescence microscopy. HDAC enzyme activity and IL-6, IL-10, and TNF-alpha expression were evaluated using commercial enzyme-linked immunosorbent assay kits. The obtained data were analyzed using statistical methods. The alpha significance level was accepted as p<0.05. RESULTS: HCQ applied to cell cultures at the tested doses and durations showed cytotoxic effects on cell viability, proliferation, and cell or ECM morphology. It increased HDAC activity in chondrocytes and caused a proinflammatory response, indicated by an increase in TNF-alpha in the cells (p<0.05). CONCLUSION: The results of this study emphasized that the cytotoxic effect of HCQ increased HDAC activity; therefore, this proinflammatory response should be taken into consideration in the clinical use of HCQ.
dc.identifier.doi10.5137/1019-5149.JTN.46503-24.2
dc.identifier.endpage140
dc.identifier.issn1019-5149
dc.identifier.issue1
dc.identifier.pmid39840570
dc.identifier.scopus2-s2.0-85216834273
dc.identifier.scopusqualityQ3
dc.identifier.startpage129
dc.identifier.urihttps://doi.org/10.5137/1019-5149.JTN.46503-24.2
dc.identifier.urihttps://hdl.handle.net/20.500.14034/2199
dc.identifier.volume35
dc.identifier.wosWOS:001414307800017
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherTurkish Neurosurgical Soc
dc.relation.ispartofTurkish Neurosurgery
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250319
dc.subjectKEYWORDS: Histone deacetylase
dc.subjectHydroxychloroquine
dc.subjectInterleukin
dc.subjectTnf-Alpha
dc.subjectValproic acid
dc.titleEvaluation of the Effects of HDAC Activity in Hydroxychloroquine Applied Human Primary Chondrocyte and Nucleus Pulposus Cultures
dc.typeArticle

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