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This study reported that urban pollution accelerates facial wrinkle development and increases pigmentation severity in Chinese women over 30, whereas UV exposure affects these signs from age 20. After 45, pollution becomes a key contributor to skin aging.

Skin changes throughout life, from development before birth to aging effects like wrinkles, influenced by both genetics and environment.

This study demonstrated that injecting reconstructed dermal papilla-like tissues in mice led to new hair growth, suggesting potential future applications in hair transplantation and baldness treatment.

This study indicates that the Sp6 gene is crucial for the development of skin, teeth, limbs, and lungs in mice, possibly through regulating apoptosis.

This study found distinct expression patterns of various transcription types during hair follicle morphogenesis, providing a foundation for understanding hair development mechanisms and aiding selective breeding for desirable wool traits in a specific breed.

This study reports that immunologically inert and skewed immune cell populations in developing human skin may contribute to wound healing and structural changes during skin development.

This study analyzed circular RNA expression in the developing skin of foetal Gansu Alpine fine-wool sheep, identifying key circRNAs potentially involved in secondary follicle development through regulatory networks, providing insights for wool trait improvement.

Collagen XVIII and Bmx tyrosine kinase are important for hair growth and skin cancer development.

This study found that using an LED array with an 863 nm wavelength delayed tumor development and reduced systemic inflammatory cytokines in DMBA/TPA-induced mouse skin tumors, suggesting potential but limited benefits of light therapy.

This review discusses how targeting apoptosis pathways in hair and skin cells can inform the development of novel therapies, but it reports no clinical findings.

This study found that differences in skin transcriptomes between juvenile and adult mink, as well as between black and white mink, suggest genes regulating hair color are active during early development rather than adulthood.

This study reports that bone marrow derived cells can become a source of epithelial cells in tumor development, contributing significantly to skin lesions like papillomas and ulcers in a skin carcinogenesis model.

This study suggests that vitamin D and its receptor may protect against the development of epidermal tumors following UV radiation by regulating specific cellular signaling pathways.

This study found that melatonin receptor genes play a key regulatory role in the development of goose skin feather follicles during embryonic development.

This review summarizes recent research on the skin microbiome's role in acne development and how antibiotic treatments affect skin microbes, but it reports no new clinical results.

This study found that activating CXCR2 on ras-transformed keratinocytes promotes migration and tumor development in a mouse skin model.

This study found that lymphatic vessels in mice are important for hair follicle development and organization, as their depletion blocks hair growth.

This report describes the development of a low-cost method to mass-produce ostrich antibodies, which were shown to alleviate allergic reactions and demonstrate therapeutic effects in conditions such as atopic dermatitis, acne, and pollen allergies, potentially providing an alternative to steroids or antibiotics.

This review explores the connection between the gut-skin axis and the development of dermatological conditions like atopic dermatitis, psoriasis, alopecia areata, and acne, and discusses the potential of probiotics in reshaping the microbiome to alleviate these skin issues.

This study found that finasteride delivered through dissolving microneedles enhanced skin drug permeation compared to films, suggesting potential for improved androgenetic alopecia treatment with fewer side effects.

This study formulated a minoxidil nanoemulgel with improved solubilization and skin penetration, demonstrating a high entrapment efficiency and sustained drug release in vitro, which suggests potential improvements in treating androgenetic alopecia compared to conventional formulations.

This study examines how skin microbiota and the gut-skin axis affect acne development, aiming to reveal mechanisms that could inform future treatment strategies for acne and other inflammatory skin conditions.

This study found that red ginseng oil may enhance hair growth and protect skin from UV damage in mouse models by promoting regenerative processes and reducing inflammation.

This study found that overexpression of the mineralocorticoid receptor in a mouse model led to premature epidermal barrier development, keratinocyte apoptosis, and postnatal alopecia, indicating new roles for MR signaling in skin physiology.

This study found that a serum-free DMEM-F12 medium with 45% oxygen best supports in vitro development and differentiation of human fetal skin, closely mimicking the in vivo state.

This study found that Hex gene expression patterns in chick embryo dorsal skin during feather bud development suggest a significant role in initiating feather morphogenesis.

This study identified a distinct CD49fhigh mesenchymal stem cell subpopulation in the dermis that supports hair follicle development and maintenance via Notch signaling activation.

This review explores current knowledge on fibroblast lineage specification and its impact on scar-free wound healing, noting that early fetal skin fibroblasts support regeneration, while later developmental shifts lead to fibrosis, highlighting potential strategies to reprogram adult fibroblasts for regenerative repair.

This study found that Bcl-xL deficiency in mice increased apoptosis and resistance to skin tumor development, highlighting Bcl-xL's role in early skin carcinogenesis through anti-apoptotic functions.

This review summarizes current evidence on how beta-human papillomavirus and Merkel cell polyomavirus may contribute to the development of nonmelanoma and Merkel cell skin carcinomas, respectively, but it reports no new clinical findings.