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EGF receptors are crucial for skin cell growth and decrease with age.

This study found that hair transplant surgeons can use a new model to predict the number and distribution of follicular units in donor scalp areas based on patient hair density.

This study found HLA and beta 2-microglobulin antigens in various skin structures, with specific localization patterns in keratinocytes and hair follicle components, but not in eccrine or apocrine glands.

This article discusses the distribution of extracellular matrix molecules in human hair follicles and reports no new results.

In this study, researchers observed that P2X3-immunoreactive fibers extensively innervate the epidermis of rats, suggesting a primary role in detecting noxious stimuli in cutaneous tissue.

This study concluded that bleach treatment partly transforms the hydrophobic top layer of human hair cuticles into a hydrophilic surface with clustered cysteic acid, visualized at the nano-scale using dynamic Chemical Force Microscopy.

This study suggests that a tip-focused gradient of intracellular G-actin concentration at the apex is crucial for root hair growth, and maintaining this gradient requires high calcium levels at the root hair tips.

This study reports that caspase-14's expression pattern in the epidermis and hair follicles is highly conserved across diverse mammalian species, suggesting its early evolutionary role in mammalian skin maturation.

This study suggests that the epidermis of monotremes and marsupials exhibits a more primitive pattern of protein distribution compared to eutherian mammals, with differences in loricrin distribution and keratinocyte maturation.

This study reported that the most common skin diseases among children in the Erzincan region of Turkey were preventable conditions, like acne and warts, suggesting the need for enhanced health education and preventive care.

This study found that unsaturated fatty acids are more abundant in the cortex of human hair than on its surface, and steryl glycoside-like lipids may help bind the cuticle to the cortex.

In this study, OCT showed strong nuclear binding in certain skin cells, suggesting similar genomic effects to vitamin D with potential therapeutic benefits due to its lower calcaemic effect.

This study found that a self-assessed modified Ferriman-Gallwey score of 10 or higher indicates excess body hair, and suggests androstenedione measurement should accompany testosterone when evaluating hyperandrogenism.

This study found that hydrogenated palm oil effectively conditions damaged hair by preventing water-induced swelling, with TOF-SIMS analysis showing that its component tripalmitin penetrates the hair's cuticle and outer cortex.

Sulphur in hair follicles increases from the bulb and then levels off, while other elements vary in distribution.

This study reported that polyamine levels, especially N-acetyl polyamines, were higher in the vertex region of the scalp than in the occipital region in patients with male and female pattern hair loss.

This study found that acid and alkaline phosphatases serve different functions in Beagle dog skin, with ALP primarily involved in growth processes and ACP in phospholipid breakdown.

This study found that psoriatic skin lesions commonly express the cytokines IL-6, IL-8, and TNF-alpha along with a moderate presence of the antimicrobial protein defensin.

This study found that daily treatment with ritlecitinib 50 mg over 24 months reduced the number of patients in the highest categories of scalp hair loss, with improvements seen in patient responses over time.

This study found that at Week 52, baricitinib resulted in significant hair regrowth for many patients with severe alopecia areata, with 41.6% on the higher dose achieving substantial improvement in scalp hair loss, though some may need longer treatment for optimal benefit.

In this study, researchers observed that bacterial community structures on human scalp hair are unique to individuals and show consistent patterns across different sampling sites on the scalp, without significant variation between these sites.

This study found that nanoparticles can penetrate the skin, but artifacts produced during specimen preparation complicate accurate observation, and proposed a method for reducing errors in imaging quantum dots as tracers.

The study reported that the average number of follicular units and hairs on the scalp in healthy Chinese Han individuals is lower than in Caucasian and African populations, which may inform hair transplantation practices.

Type XII and XIV collagens help maintain hair follicle structure in bovine skin.

This study observed that using only a 5 alpha-reductase inhibitor was ineffective for treating androgen-dependent hair loss in women, possibly due to differing copper levels influencing enzyme activity.

This review discusses the relationship between vitamin K and osteoarthritis, noting that while lower vitamin K levels are associated with increased osteoarthritis, the effects of vitamin K supplementation on the condition remain unclear due to a lack of clinical trials.

This study found that estrogen receptor beta, not alpha, is the main mediator of estrogen action in human skin and hair follicles, suggesting a distinct role in these tissues.

This study suggests that the absence of alpha5(IV)/alpha6(IV) chains in certain subepidermal basement membrane spots may relate to interactions with melanocytes in human skin.

This study found that coating liquid crystalline nanoparticles with chitosan significantly enhanced the skin permeation of 5α-reductase inhibitors, suggesting a promising strategy for improving topical delivery in androgenetic alopecia treatment.