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This review discusses the role of stress mediators in skin diseases and reports no new clinical results; the authors suggest further research in skin psychoneuroimmunology.

This review discusses the role of corneodesmosin in skin and hair follicle integrity, with mentions of its link to hypotrichosis simplex and peeling skin disease, and reports no new results.

Vertebrate skin evolved to be more specialized and complex, especially in land animals.

This study found that activin affects both stromal cells and keratinocytes in skin morphogenesis and repair, with dose-dependent effects on keratinocytes demonstrated through transgenic mouse models.

This study found that spinal strychnine enhances low threshold tactile responses in cat dorsal horn neurons, which may mirror pain states in humans that are less responsive to opioid treatments.

This study found that wolves in heavily hunted areas of Canada's tundra–taiga exhibited higher levels of stress and reproductive hormones, indicating social instability and increased reproductive effort due to human-caused mortality.

This article reviews over 1000 skin diseases affecting patients' quality of life and highlights the importance of understanding skin biology and pathology, but provides no new results.

This study found that premature hair loss due to stress does not occur in NK-1 receptor knockout or mast cell deficient mice, suggesting a key role for neurokinin substance P and mast cell interaction in stress-related hair follicle changes.

This study details the isolation and characterization of the human type II 5 alpha-reductase gene, which may play a role in male pseudohermaphroditism, prostate cancer, and benign prostatic hyperplasia.

This review discusses unique stroke risk factors in women, such as hormonal and reproductive influences, and highlights the need for further research to better predict and manage these risks.

In this study, researchers found that trichothiodystrophy hair brittleness is linked to abnormalities in sulfur content and structural organization, making it prone to breakage.

This study found that permanent waving treatment partially disrupts the α-helical structure in human hair microfibrils, primarily during the initial reduction phase, rather than just affecting disulphide bonds.

This article discusses the relationship between cortisol, stress, and hair follicle function and highlights oral supplementation with a specific proteoglycan as a promising treatment for stress-related hair growth disorders, but it does not present new clinical results.

This research highlights that psychological stress can adversely affect hair growth in mice, implicating potential pathways that may be relevant in understanding stress-induced hair growth inhibition in humans.

This study suggests that the structure and function of mouse melanocytes in the epidermis and hair bulb are influenced by genetic factors and local tissue environment, including hormones and growth factors.

This article discusses the structure and function of the skin and its role in skin disease pathophysiology and reports no new research findings.

This review discusses the complex relationship between stress and various skin conditions, highlighting the role of the skin in the stress response and the brain-skin communication pathways, but reports no new research findings.

This study suggests that hormonal receptor activity in skin regions undergoing mechanical stretching may influence extracellular matrix metabolism and the formation of SD, with variations in receptor functionality throughout lesion development stages.

This study identified two evolutionarily conserved ultra-high-sulfur keratin proteins in human and sheep hair follicles, which are specifically expressed in the hair cuticle during the late stages of fiber development.

This study found that lower salmon availability was associated with higher stress hormone levels in grizzly and black bears, influencing their physiological responses and competitive behaviors.

This study concluded that the curliness of human hair, regardless of ethnicity, originates from the inhomogeneous internal nanostructure due to differences in the distribution of two types of cortices.

This review discusses the interplay between hormonal and immune systems in hair follicles and reports no new results, highlighting the need for further research on their role in skin biology and alopecia areata.

This study reported new crystallographic structures and polymorphs of finasteride, including several solvates with distinct X-ray diffraction patterns and thermally characterized properties.

Stress can cause hair loss and skin issues by affecting hair growth cycles.

In this study, anabolic and catatoxic steroids were reported to prevent weight loss, tissue calcification, and cardiac necrosis in a rat model of disturbed calcium metabolism and progeria-like syndrome.

This article reviews methods to enhance epithelial–mesenchymal interactions for hair follicle bioengineering but does not present new experimental results; it emphasizes optimizing combinations for successful regeneration.

This study suggests that the susceptibility of hair follicle melanocytes to oxidative stress as they age may be key in the graying of hair due to reduced catalase expression and activity.

This study found that ethanol-containing formulations significantly increased minoxidil retention in the stratum corneum and appendages initially, while a propylene glycol-rich formulation enhanced deeper skin penetration over time.

This study reports that LL-37 treatment enhances cell proliferation, migration, and secretion of regenerative factors in adipose-derived stem cells, potentially promoting hair growth in vivo.

This study found that the stratum corneum of scalp skin in humans has distinct functional characteristics compared to the facial skin and volar forearm, including higher hydration levels and intermediate epidermal turnover rates.