research Enhanced ectodysplasin-A receptor (EDAR) signaling alters multiple fiber characteristics to produce the East Asian hair form
A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
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research Hair growth promoting activity of Eclipta alba in male albino rats
Eclipta alba extract helps hair grow faster and more effectively than minoxidil in rats.
research Hormonal regulation of hair follicles exhibits a biological paradox
Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
research Thymosin β4increases hair growth by activation of hair follicle stem cells
Thymosin β4 promotes hair growth by activating stem cells in hair follicles.
research 55 cases of allergic reactions to hair dye: a descriptive, consumer complaint‐based study
Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.
research Insulin-like growth factor 1 and hair growth
IGF-1 can boost hair growth by promoting cell growth and preventing cell death.
research Regulation of Keratin Gene Expression in Hair Follicle Differentiationa
Keratin gene regulation is similar across mammals, affecting hair follicle differentiation.
research Human hair follicle: reservoir function and selective targeting
The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.
research Autosomal-Dominant Woolly Hair Resulting from Disruption of Keratin 74 (KRT74), a Potential Determinant of Human Hair Texture
A mutation in the KRT74 gene causes tightly curled hair.
research Friction and wear studies of human hair and skin
Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.
research Genetic Ablation of the CDP/Cux Protein C Terminus Results in Hair Cycle Defects and Reduced Male Fertility
Mutant CDP/Cux protein causes hair defects and reduced male fertility in mice.
research Elemental hair analysis: A review of procedures and applications
Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
research Size-dependent penetration of nanoemulsions into epidermis and hair follicles: implications for transdermal delivery and immunization
Smaller nanoemulsions can penetrate skin and hair follicles better, which may be useful for delivering drugs and vaccines through the skin.
research Hair Follicle Regeneration Using Grafted Rodent and Human Cells
Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
research A role for p75 neurotrophin receptor in the control of apoptosis‐driven hair follicle regression
The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
research HAIR-LOSS AS DEFICIENCY TEST OF MEDULLECTOMY IN RATS
Complete adrenal removal causes more hair loss in rats than partial removal.
research Hypothalamic–Pituitary–Thyroid Axis Hormones Stimulate Mitochondrial Function and Biogenesis in Human Hair Follicles
HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.
research Hair follicle stem cell differentiation is inhibited through cross‐talk between Wnt/β‐catenin and androgen signalling in dermal papilla cells from patients with androgenetic alopecia
Androgens block hair growth by disrupting cell signals; targeting GSK-3 may help treat hair loss.
research Control of hair follicle cell fate by underlying mesenchyme through a CSL–Wnt5a–FoxN1 regulatory axis
Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.
research Determination of the cuticula thickness of human and porcine hairs and their potential influence on the penetration of nanoparticles into the hair follicles
Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
research Worldwide diversity of hair curliness: a new method of assessment
A new method accurately classifies hair types, showing global hair diversity.
research Shape Variability and Classification of Human Hair: A Worldwide Approach
Human hair can be classified into eight types based on physical features, not ethnicity.
research Hair follicle expression of 1,25-dihydroxyvitamin D3 receptors during the murine hair cycle
Vitamin D receptors in hair follicles change with the hair cycle, affecting hair growth.
research Genome-wide association meta-analysis of individuals of European ancestry identifies new loci explaining a substantial fraction of hair color variation and heritability
New genetic locations explain much of hair color variation in Europeans.
research Delivery and targeting of nanoparticles into hair follicles
Nanoparticles can improve skin treatments by better targeting hair follicles, but more research is needed for advancement.
research Hair follicles contribute significantly to penetration through human skin only at times soon after application as a solvent deposited solid in man
Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
research Epidermal Growth Factor as a Biologic Switch in Hair Growth Cycle
EGF controls hair growth by regulating hair follicles' growth phases.
research Effects of EGF on the Morphology and Patterns of DNA Synthesis in Isolated Human Hair Follicles
EGF makes hair follicles grow longer but stops hair production.
research Ozone interactions with human hair: Ozone uptake rates and product formation
Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
research K25 (K25irs1), K26 (K25irs2), K27 (K25irs3), and K28 (K25irs4) Represent the Type I Inner Root Sheath Keratins of the Human Hair Follicle
K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.