ArticleIranian journal of basic medical sciences2025
Impact of trehalose and hydroxychloroquine on the function of BRAF (V600E)-siRNA in the A375 melanoma cells.
Article in Iranian journal of basic medical sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: Melanoma, a lethal form of skin cancer, is closely linked to mutations in melanocytes. Due to increased resistance to chemotherapy, innovative strategies, including gene and combination therapies, are being explored. This study evaluates the effects of trehalose (TRE) and hydroxychloroquine (HCQ) in enhancing the efficacy of BRAF (V600E)-siRNA in A375 cells. Materials and Methods: The A375 cells were treated, and changes in cell viability were assessed using MTT assays. Apoptosis was evaluated using flow cytometry. Additionally, gene expression analysis of B-Raf proto-oncogene, serine/threonine kinase (BRAF), Caspase 3 (CASP3), and Phosphoinositide-3-kinase regulatory subunit 3 (PIK3R3) was performed using quantitative RT-PCR. Results: HCQ treatment reduced cell viability and increased apoptosis compared to both control cells and cells treated with TRE. Gene expression analysis showed a significant down-regulation of BRAF expression in cells treated with HCQ and BRAF (V600E)-siRNA compared to siRNA-only treated cells. CASP3 expression was significantly up-regulated in cells treated with combined HCQ and siRNA, indicating a stronger apoptotic response. PIK3R3 expression showed no significant change in the transfected groups. Conclusion: TRE, either alone or combined with siRNA, showed limited efficacy and may counteract the apoptotic benefits of HCQ. Conversely, HCQ, whether used alone or in combination with siRNA, enhanced apoptosis, suggesting promise as a potential treatment for melanoma.
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