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This article reviews the role of androgen in male pattern hair loss and its impact on hair follicle miniaturization, but it does not present new research findings.

This report describes three cases of LC-associated amyloidosis presenting with alopecia, highlighting its potential mimicry of androgenetic alopecia or alopecia areata without systemic amyloidosis.

A man developed a painful skin condition after multiple heart procedures involving radiation.

This review discusses the latest findings presented at the 4th Intercontinental Meeting of Hair Research Societies, covering advances in hair follicle biology, genetic bases for hair disorders, and potential new therapeutic approaches, but it reports no original study results.

This study found that differentiated cells of the corneal epithelium can be converted to hair and interfollicular epidermis through a multistep process involving dermal developmental signals.

This study found that intact pilosebaceous units were more effective than truncated hair follicles at regenerating a multilayered epidermis in a de-epidermalized dermis in vitro.

This study investigated a nanostructured system using PS-b-PAA diblock copolymer for incorporating the hydrophobic photosensitizer ClAlPc, finding it effective in causing cellular damage in Caco-2 cells under light while demonstrating no cytotoxicity without light, suggesting its potential use in photodynamic therapy.

This study found that asebic mice exhibit abnormal sebaceous gland differentiation and insufficient sebum production due to defective regulation of cell processes, despite possessing normally developing sebaceous glands initially.

This study found that dermis micrografting improved hair growth and density in patients with androgenetic alopecia over 4, 6, and 12 months, suggesting it could be a novel treatment option.

This article from the 4th Intercontinental Meeting of Hair Research Societies provides no abstract or new findings.

This study suggests that targeting the tumor stroma to promote the formation of dermal condensates may offer a novel approach to treating basal cell carcinoma.

This study found that full thickness wounds in Lanyu pigs led to altered molecular expression and abnormal skin structure, without regenerating key epithelial cells thought to aid in skin regeneration.

This study found that type III collagen was significantly more abundant in the recovering traumatic skin of guinea pigs compared to normal skin, indicating it may play a role in tissue repair.

This study found that Forskolin-loaded carboxymethyl chitosan-silk nanofiber hydrogels promoted wound healing by accelerating wound closure, enhancing neovascularization, and supporting hair follicle regeneration, while also being non-toxic and encouraging the proliferation of certain cell types.

This study found that ADSC therapy may have significant antiaging effects on photoaged human skin, while PRP increased reticular dermis thickness with a fibrotic appearance.

This study found that fibroblast loss in the upper dermis from UVR exposure is linked to a deregulated inflammatory response, with T cells playing a protective role in fibroblast survival.

This study observed that stem cells from the hair follicle dermis share similarities with bone marrow-derived mesenchymal stem cells and have potential to form neural-like cells under specific conditions.

This review examines the diversity and role of stem cells in the adult dermis, noting a lack of precise understanding about their hierarchy and relationship to dermal fibroblast subpopulations, and reports no new results.

This study found that photobiomodulation enhanced hair regeneration in injured dermis of mice, likely through increased migration and exosome secretion of dermal papilla cells via the Akt/GSK-3β/β-catenin pathway.

The researchers in this study identified a new subpopulation of dermal fibroblasts in neonatal murine dermis marked by EGFR, which they report contributes to hair follicle regeneration through the promotion of IGF1, potentially aiding in wound-induced hair follicle neogenesis.

This study reports that corneal transient amplifying cells can be reprogrammed into epidermal cells capable of forming hair follicles in response to embryonic dermis signals.

This study found that single high-dose irradiation in mice induced more severe acute skin injury and hair depigmentation, while fractional doses led to longer-term damage in the dermis and subcutis.

This study found that radiation negatively impacts the survival and proliferation of fibroblasts on human dermis transplants, but hair follicle pores enhance cell viability even after irradiation.

This review explores fibroblast heterogeneity in the mammalian dermis and suggests potential therapeutic applications by targeting fibroblast subtypes, but reports no new experimental results.

This study found that treating skin wounds with a combination of epidermis-derived epithelial-like stem/progenitor cells and platelet-rich plasma improved tissue repair and increased vascularization and elastin content compared to platelet-rich plasma alone.

This review discusses the potential of the hair follicle dermis to direct hair development and explores concepts related to hair growth and androgenetic alopecia, without reporting new clinical results.

This study identified at least four distinct fibroblast populations in adult human skin, each with unique functional properties, suggesting potential therapeutic applications for wound healing and fibrosis-related diseases.

This study found that a specific macrophage subpopulation in the dermis helps maintain hair follicle stem cell quiescence through cytokine-mediated signaling.

This study revealed that during fetal development, MITF and Mart-1 expressing melanocytes progress from the dermis to the epidermis and hair follicles, with MITF possibly marking follicular stem cells.

In this study, carotene injected into the skin was converted into vitamin A by sebaceous gland cells, where it was not normally detectable.