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This study found that skin bacteria promote regeneration in wound-induced hair follicle neogenesis, suggesting a role for IL-1β signaling and challenging the belief that infection inhibits healing.

This study suggests that human skin contains distinct fibroblast subsets with unique expression profiles and functions, which can be isolated to investigate their role in skin pathogenesis.

This review discusses the range and management of adverse cutaneous reactions to psychotropic medications and emphasizes the need for awareness among clinicians, concluding with a call for careful monitoring and patient education.

This study found that depleting fibroblasts in the skin does not affect the proliferative capacity of epidermal stem cells at various ages, suggesting robust compensatory mechanisms maintain skin functionality despite these cellular changes.

In this study, activation of c-MycER in adult mouse epidermis rapidly induced proliferation and disrupted keratinocyte differentiation, causing changes similar to precancerous lesions, which regressed once c-MycER was deactivated.

This article reviews the molecular characteristics of human hair keratins, noting their distinct classification from epidermal keratins and the variability in expression that may occur without noticeable hair changes, but reports no new study results.

UV radiation may cause DNA changes in skin, certain UVB therapy helps psoriasis, a new gene mutation is linked to mild piebaldism, different immune cells affect psoriasis, a drug promotes hair growth, and some cancer drugs could treat skin barrier issues.

This review discusses the cellular and molecular changes involved in cutaneous wound re-epithelialization and EMT, highlighting their similarities and differences, but reports no new clinical results.

This study analyzed the cornified envelope of epidermal proteins, finding keratins dominate, which may help explain the minimal impact of deleting genes for single envelope components in congenital ichthyosis.

This study investigated the skin of 12 Baikal seals and identified two main skin pathologies potentially linked to global warming and changes in Lake Baikal's ice regime, including koilocytosis and inflammation associated with a possible viral pathogen.

In this study, researchers examined the skin of Baikal seals, identifying two main skin pathologies potentially linked to global warming and an unknown viral pathogen, suggesting immune inflammatory processes associated with environmental changes may be affecting these seals.

This study found that the loss of transcription factor Ovol2 in epidermal and hair follicle stem cells leads to migration defects, which are partially improved by deleting the EMT-inducing Zeb1.

This study found that keloid tissues exhibit epithelial-mesenchymal transition-related changes and alterations in gene expression, implicating these processes in the pathogenesis of keloids.

In this study, mice lacking podoplanin in epidermal keratinocytes showed reduced tumor cell invasion and peritumoral lymphangiogenesis, suggesting that keratinocyte-expressed podoplanin contributes to advanced stages of skin tumor progression.

This review discusses the multiple factors contributing to skin aging, including cellular changes and environmental influences, and highlights its recognition as a disease with significant implications beyond cosmetic concerns, without reporting new research results.

This research suggests that defects in keratinocyte differentiation due to putrescine accumulation in SSAT transgenic mice lead to skin changes and hair loss, and reducing putrescine can promote hair regrowth.

This study reported that an ex vivo organ culture system effectively induced aging-related changes in healthy human skin, allowing testing of senolytics like tretinoin, resveratrol, and caffeine.

This article reviews approaches to diagnosing and treating dermatophytosis and pityriasis versicolor, noting a significant change in the epidemiology of tinea capitis and highlighting the limitations of certain diagnostic techniques.

In this study, fractional laser treatment was observed to reverse age-related gene expression changes in skin and enhance dermal remodeling, further improved by multiple treatments.

In this study, 15d-PGJ2 administered in a topical cream inhibited oxidative and inflammatory skin changes caused by UVB radiation in hairless mice, suggesting it as a promising treatment approach.

This study tested a natural hair dye made from papaya seed extract, celery leaf, and avocado, finding color change in animal hair but also noting tissue changes like hyperkeratosis.

In this study, researchers found that K17−/− mice suffered more severe hair follicle damage but showed reduced epidermal inflammation after ionizing radiation, with K17's absence leading to aberrant cell cycle progression due to altered p53 genome binding and reduced B-Myb degradation.

In this study, researchers observed that dandruff involves altered keratinocyte activity and a low-grade inflammatory response characterized by increased interleukin-17-producing T-cells and CCL17 levels, but without significant changes in immune cell populations or skin barrier lipids.

In this study, researchers differentiated human induced pluripotent stem cells into dermal papilla-like cells and observed gene expression dynamics during five stages of dermal differentiation, demonstrating the potential of these cells to interact with epidermal cells in functional assays.

In this study, deleting the Igf1 receptor in specific skin cells of mice affected hair follicle cycling but not overall skin health, suggesting Igf1r's role in hair cycle regulation through Bmp-4 activation.

This case report describes a patient with Crohn's disease developing alopecia and psoriasiform skin lesions while on adalimumab treatment.

This study found that blocking apoptosis during the catagen phase in mice disrupts hair follicle stem cell niche architecture, delaying subsequent hair regeneration cycles.

This study suggests that activating the hexosamine pathway may enhance skin homeostasis, potentially increasing hair follicle stem cells and modifying extracellular matrix components like hyaluronic acid in vitro.

This study found that ablative fractional laser treatment significantly alters gene expression related to skin rejuvenation, enhancing wound healing and tissue regeneration processes, and suggests multiple treatments may maximize these effects.

This case report describes a patient with psoriasis who developed alopecia with unique histological features after anti-TNF therapy, suggesting that such effects may require considering treatment suspension for severe cases.