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Balancing act: optimizing blue light for melanogenesis while minimizing cellular damage in primary human skin cells.
Front Physiol
January 2025
Regenerative Medicine Division, CHU de Quebec - Université Laval Research Centre, Quebec City, QC, Canada.
Introduction: Recent findings show that visible light, particularly blue light, stimulates melanogenesis in human skin, though the underlying mechanisms remain debated. This study aimed to determine the cell damage threshold of non-ionizing blue light on keratinocytes while preserving their ability to stimulate melanogenesis.
Methods: Human keratinocytes (N = 3) and melanocytes (N = 3) were isolated from skin samples of varying Fitzpatrick skin phototypes and irradiated with blue light (λpeak = 457 nm) and UVA light (λpeak = 385 nm).
Delineating the Potential Therapeutic Effects of Lobaric Acid as a Novel Strategy in the Treatment of Melanoma.
Curr Med Chem
January 2025
Biotechnology Institute, Ankara University, Keçiören, TR-06135, Ankara, Turkey.
Introduction: Melanoma is one of the most dangerous and common types of cancer in humans. In order to minimize the toxicity and side effects of melanoma treatment, it is important to identify drug candidates that have strong anti-cancer activity and fewer side effects. Lobaric acid is a small molecule that has been found to have significant anti-cancer effects on various types of cancer cells.
View Article and Find Full Text PDFNuclear Alpha-Synuclein in Parkinson's Disease and the Malignant Transformation in Melanoma.
Neurol Res Int
January 2025
Departamento de Bioquímica, Facultad de Medicina, Universidad Autónoma de San Luis Potosí, San Luis Potosi, Mexico.
Alpha-synuclein (ASyn), a marker of Parkinson's disease (PD) and other neurodegenerative processes, plays pivotal roles in neuronal nuclei and synapses. ASyn and its phosphorylated form at Serine 129 (p-ASyn) are involved in DNA protection and repair, processes altered in aging, neurodegeneration, and cancer. To analyze the localization of p-ASyn in skin biopsies of PD patients and melanoma.
View Article and Find Full Text PDFEmerging Roles of Dermal Fibroblasts in Hyperpigmentation and Hypopigmentation: A Review.
J Cosmet Dermatol
January 2025
Department of Dermatology, Hangzhou Third People's Hospital, Zhejiang, Hangzhou, China.
Background: Skin pigmentation disorders may increase patients' psychological burdens. Consequently, they are increasingly attracting attention. Dermal fibroblasts have been shown to regulate pigmentation by secreting soluble factors.
View Article and Find Full Text PDFVitiligo and the microbiome of the gut and skin: a systematic review.
Arch Dermatol Res
January 2025
Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York City, New York, 10029, USA.
Vitiligo is a chronic autoimmune skin condition characterized by depigmentation due to the destruction of melanocytes. Recent research has identified potential links between vitiligo and alterations in both the gut and skin microbiomes. This systematic review aims to explore these microbiome changes and their potential role in the onset and progression of vitiligo.
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