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This chapter reviews keratins in skin epithelia, including their roles in cellular function and disease, and reports no new experimental results.

This study found that using 3D Gel-C6S-HA scaffolds seeded with VEGF165-modified rat hair follicle stem cells enhanced angiogenesis and vascularization in tissue-engineered skin, improving wound healing.

This study found that autologous serum platelet-rich plasma improved skin quality and reduced wrinkles, texture, and pores in healthy females, partly by regulating the expression of MMP-1, tyrosinase, fibrillin, and tropoelastin.

This study found that applying TPA to mice accelerated hair follicle regeneration by activating Akt and Wnt/ß-catenin signaling pathways, involving hair follicle stem cell proliferation.

In this study, thread-embedding therapy enhanced hair regrowth in C57BL/6 mice by regulating growth factors associated with hair follicle anagen development and promoting cellular proliferation in hair follicles.

This study found that MBN, an herbal extract fermented by Lactobacillus plantarum, promoted hair growth and increased related gene expression in C57BL/6 mice.

This article highlights that a low suspicion for tinea capitis in adults with scaling and hair loss may delay diagnosis and treatment, urging confirmation through KOH, fungal culture, or biopsy.

This study observed that the topical skin-whitening agent rhododendrol induced skin depigmentation in approximately 16,000 consumers, linked to melanocyte cytotoxicity and immune reactions.

This study found that silk fibroin/sodium alginate scaffolds seeded with dermal papilla cells may accelerate skin repair and hair follicle regeneration in a rat model.

This study found that Bazhengsan significantly reduced inflammation and hyperplasia in male rats with nonbacterial prostatitis, indicating potential as a treatment for chronic prostatitis.

This study found that 6-Gingerol significantly suppressed hair growth in mice by reducing hair follicle number and length, potentially through increased expression of MMP2 and MMP9.

This study found that melatonin treatment increased epidermal thickness, subcutaneous fat, and dermal-related factors in postmenopausal rats, suggesting benefits for skin structure after menopause.

This study reports that mesenchymal stem cell-conditioned medium promoted dermal cell migration and proliferation, enhancing wound healing but not direct hair growth, in vitro and in adult mouse models.

This study found that activin B promotes the initiation and development of hair follicles in both cultured and neonatal mouse skin models.

This report presents a case where female pattern hair loss might be linked to tamoxifen use, with increased androgen receptor expression observed in the affected scalp area.

This report presents a case of alopecia areata manifesting in a linear pattern, deviating from the typical presentation of sharply demarcated round patches.

This study found that ascorbigen increased growth of dermal papilla cells but did not significantly protect against chemotherapy-induced alopecia in a mouse model, suggesting limited effectiveness for hair regrowth in this context.

In this study, topical application of 5% minoxidil significantly increased hair follicle density in a mouse model of androgenetic alopecia, as evidenced by a rise in density from 24.00 in the control group to 40.14 in the treatment group.

This case report presents a rare manifestation of secondary cutaneous B-cell lymphoma as erythematous macules coalescing into reticular patches on the scalp and forehead.

This study suggests that nerve growth factor may support hair follicle growth in Liaoning cashmere goats through pathways involving its receptor, TrkA, particularly during the anagen phase.

This case report suggests that immune responses, along with hair traction, may play a role in the etiology of central centrifugal cicatricial alopecia.

This study found that HAMA hydrogels promote faster healing of skin wounds in mice by enhancing the accumulation of anti-inflammatory macrophages and increasing type III collagen in the local wound environment.

In this study, researchers developed an optimized formulation of a traditional ethnomedicinal recipe from East Nusa Tenggara, which demonstrated strong antioxidant activity and significantly enhanced hair growth in a mouse alopecia model, compared to control groups.

In this study, the application of human umbilical cord mesenchymal stem cell secretome significantly increased hair follicle count in fluconazole-induced alopecia in rats, although changes in epidermal thickness were not significant, suggesting a novel approach for hair restoration.

This study reported that albino Wistar rats exposed to chemical hair straighteners showed significant hair fiber damage and scalp skin deterioration, which worsened with repeated and prolonged application, highlighting the cytotoxic potential of these products and potential systemic risks.

This case report describes perifollicular melanocyte regeneration in the affected skin of a patient with bullous pemphigoid, highlighting an underreported aspect of the condition in skin of color patients, and emphasizing the need for increased awareness and earlier diagnosis in this demographic.

In this study, researchers found that CCCA in women of African descent is associated with molecular changes, including dysregulation of fatty acid metabolism and fibrosis pathways, suggesting potential targets for new treatments.

This study found that keloids significantly impair quality of life, with pain and itch being major contributors to this impact, comparable to other chronic dermatologic conditions.

This study found that Chrysanthemum zawadskii extract may promote hair growth by inducing an earlier conversion of telogen to anagen and increasing the proliferation of dermal papilla cells in mice and human hair follicle cultures.

A man with a rare skin condition and a new gene mutation developed high calcium levels due to his treatment.