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BMP4 regulates differentiation of nestin-positive stem cells into melanocytes.
Cell Mol Life Sci
January 2025
Department of Anesthesiology, Shenzhen Children's Hospital, Yitian Road 7019, Shenzhen, 518000, China.
Hair follicle (HF) development and pigmentation are complex processes governed by various signaling pathways, such as TGF-β and FGF signaling pathways. Nestin + (neural crest like) stem cells are also expressed in HF stem cells, particularly in the bulge and dermal papilla region. However, the specific role and differentiation potential of these Nestin-positive cells within the HF remain unclear, especially regarding their contribution to melanocyte formation and hair pigmentation.
View Article and Find Full Text PDFA randomized prospective study to compare the efficacy of 308-nm light-emitting diode and 308-nm excimer lamp in the treatment of facial vitiligo.
Arch Dermatol Res
January 2025
Department of Physiotherapy, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, 210042, China.
Background: Previous studies have proven that 308-nm light-emitting diode(308-nm LED)and 308-nm excimer lamp(308-nm MEL) are effective in treating vitiligo, but there is a lack of comparison of their efficacy for facial lesions.
Objective: To evaluate and contrast the treatment success rates of 308-nm LED versus 308-nm excimer lamp in managing facial lesions among patients suffering from stable non-segmental vitiligo.
Methods: The enrolled 119 patients with 145 lesions were randomly assigned to receive 308-nm LED or 308-nm MEL for two months.
The role of serum S100B and serum thyroid stimulating hormone levels in vitiligo.
Arch Dermatol Res
January 2025
Department of Dermatology, Father Muller Medical College, Mangalore, India.
Vitiligo is a depigmenting disorder characterized by melanocyte loss, which results in pigment dilution of the skin. Vitiligo is commonly associated with thyroid disorders and thyroid stimulating hormone (TSH) is a sensitive marker to detect thyroid disorders. S100B is damage associated molecular pattern (DAMP) molecule released when there is melanocyte damage.
View Article and Find Full Text PDFVitamin C-Based Gingival Depigmentation Versus Surgical Depigmentation: A Randomized Clinical Trial.
ScientificWorldJournal
January 2025
Department of Periodontology, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India.
This study aimed at comparing gingival depigmentation by locally injected vitamin C with surgical depigmentation, in terms of effectiveness and patient acceptability. Forty-two patients presenting with ethnicity-related hyperpigmentation were randomly divided into two groups, Group I ( = 21) was treated with locally injected vitamin C and Group II ( = 21) was treated by surgical depigmentation. The outcome was assessed using Gingival Pigmentation Index (GPI) and Skin Hyperpigmentation Index (SHI).
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.
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