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This study introduces a modular fiber model to investigate how changes in microstructural properties of wool affect its critical buckling load, highlighting potential uses and areas needing further research in wool fiber biophysics.

This chapter reviews the presence and roles of stem cells in various body systems, focusing on their lifelong function in animals and humans, and reports no new experimental findings.

This report details a 6-year-old girl with adrenocortical cancer presenting with voice changes, weight gain, and excessive hair growth, successfully treated with surgery and medication, with symptoms resolved after 6 months.

This study found that lineage-restricted loss of p63 in murine thymic epithelial cells resulted in severe thymic hypoplasia and absence of hair follicles, indicating p63's critical role in thymic and hair follicle development.

This study analyzes contemporary theories and practices to understand key factors influencing the development of the examined phenomenon, proposing trends and practical applications for researchers and practitioners, while acknowledging study limitations and suggesting future research directions.

This review highlights the eye and skin manifestations of endocrine-related metabolic diseases but provides no new clinical results.

This study found that the cuticle layer of hair contributes approximately 60% to bending stress, highlighting its significant role in the mechanical properties of hair stiffness.

This study observed that hairless HRS/J mice were resistant to Bacillus anthracis infection at the skin's surface, suggesting resistance may be due to increased dermal neutrophils rather than non-functional hair follicles.

This review discusses potential causes of alopecia and hair overgrowth in pediatric patients, detailing diagnostic techniques and treatments, but presents no new research findings.

This review of low-level laser therapy for patterned hair loss found that red-spectrum light may be effective for hair growth, but larger case-controlled studies are needed to further support this conclusion.

This review identifies FDA-cleared home-use photobiomodulation devices for androgenetic alopecia treatment and highlights their excellent safety profile but notes the lack of long-term comparative studies.

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 article explores the potential of photobiomodulation for coronary health, suggesting protective effects after heart attacks and in inaccessible ischemic heart conditions, but presents no new clinical results.

This article reviews idiopathic hirsutism, focusing on its definition, diagnosis, causes, and treatment options, without presenting new clinical findings.

This study reports that structural abnormalities in the inner root sheath of hair follicles may cause the hair shaft to be loosely attached in patients with loose anagen hair syndrome.

This study suggests that the cell membrane complex in hair cuticles contains hydrophilic regions with disulfide bonds allowing polymer uptake and hydrophobic lamella-like lipid layers.

This study identified a new cytokeratin, mK6irs, specifically expressed in the inner root sheath of mouse hair follicles, distinguishing it as a member of the type II cytokeratin family.

This study characterized a new human keratin, hK6irs1, specifically found in the inner root sheath of hair follicles, which suggests its role in the structural integrity and guidance of growing hair shafts.

This study suggests that Foxn1 expression in keratinocytes influences pigmentation in mice, highlighting differences in the molecular mechanisms between mouse and human pigmentation processes.

This study reports the cloning and expression details of two new human type II keratins, K6irs3 and K6irs4, in the hair follicle's inner root sheath, suggesting a distinct functional role related to hair structure.

Proteomic analysis can identify genetic differences in mouse hair, helping understand hair defects and variations.

This study successfully established Tsc2-deficient embryonic stem cells from Eker rats and found these cells have distinct gene expression compared to non-mutant cells, which could help identify new therapeutic targets for TSC-related pathogenesis.

This study observed that fetal hair follicle melanocytes varied in morphology and development stages, with melanosomes undergoing degradation into irregular pigment particles within keratinocytes.

This study found that stepwise thermal treatment of human hair waste at temperatures from 200 to 450 °C produced hollow microtubes, with structure changes influenced by temperature, core degradation, and cortex melting.

This study found that age-related hair thinning in Caucasian women over 50 involves significant structural changes within the hair follicle, suggesting an "aged hair program" rather than just producing thinner hairs.

This study found that mu-crystallin gene expression in mouse skin is highest during the anagen phase of hair development, suggesting its possible role in hair follicle growth.

This case report describes a non-thymoma-associated exfoliative dermatitis in an 8-year-old cat, where treatment with cyclosporine A alongside prednisolone and antibiotics resolved skin lesions without relapse after an initial recurrence.

In this study, researchers found that YAP and TAZ, when localized in the nucleus of basal layer cells, are crucial for skin regeneration and hair growth, with their loss leading to slower cell proliferation, hair loss, and impaired wound healing in mice.

This study found that while molecular hair structures were nearly identical across individuals, genetic factors seem to influence specific lipid compositions, as seen in identical-patterned hair from parent-child pairs and identical twins, but not fraternal twins.

This study describes the expression patterns of type I inner root sheath keratin proteins K25–K28 in human hair follicles, highlighting their distinct distribution within different layers.