research Hedgehog signaling reprograms hair follicle niche fibroblasts to a hyper-activated state
Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.
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research Comparative study of male and female human hair: A microscopic analysis.
Male and female human hairs have different microscopic structures that can help in forensic analysis.
research Insights on the mechanical behavior of keratin fibrils
Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
research X-ray diffraction study of the nanostructural dynamics of fibrillar systems of hair tissue
Hair tissue can help monitor environmental and public health risks.
research Miscellaneous Disorders
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
research Autosomal Recessive Hypotrichosis with Woolly Hair Caused by a Mutation in the Keratin 25 Gene Expressed in Hair Follicles
A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.
research The Ziering Whorl Classification of Scalp Hair
The conclusion is that creating natural-looking hair restoration requires replicating natural scalp whorl patterns and inserting grafts at specific angles.
research Trichotillomania
Trichotillomania is a condition where people repeatedly pull out their hair, which can be triggered by stress and has various physical signs.
research Study of the keratinization process in human hair follicle by X-ray microdiffraction.
Hair structure forms the same way inside and outside the body.
research A Splice Site Mutation in the Gene of the Human Type I Hair Keratin hHa1 Results in the Expression of a Tailless Keratin Isoform
A genetic mutation in the hHa1 gene creates a smaller, but still functional, hair protein without causing hair problems.
research “Hair building” fibers through the dermoscope
Trichoscopy can help tell the difference between artificial hair fibers and other scalp artifacts.
research Rat Whiskers, Follicle Transection, and Hair Transplantation
Transplanting rat whisker follicles can lead to successful hair growth after cutting them.
research Hair-Thread Tourniquet Syndrome: A Comprehensive Review
Early detection and removal of hair can prevent damage in hair-thread tourniquet syndrome.
research A Congenital Hair Defect: Trichoschisis With Alternating Birefringence and Low Sulfur Content
research Heterotypic cell contacts and basal lamina morphology during hair follicle development in the mouse: a light, scanning, and electron microscopic study at the site of tissue interaction
Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.
research Folliculin: A surprising molecular brake in the human hair follicle
research Disruption of P2RY5, an orphan G protein–coupled receptor, underlies autosomal recessive woolly hair
Mutations in the P2RY5 gene cause autosomal recessive woolly hair.
research Three-dimensional microanatomy of longitudinal lanceolate endings in rat vibrissae
Rat vibrissae have sensory terminals with specific structures that help detect hair movements.
research Case report: Exploring autosomal recessive woolly hair: genetic and scanning electron microscopic perspectives on a Japanese patient
A genetic mutation in the LIPH gene causes tightly curled hair that stops growing in some Japanese individuals.
research High-throughput phenotyping methods for quantifying hair fiber morphology
Quantifying hair shape is better than using racial categories for understanding hair characteristics.
research An Unusual Ala12Thr Polymorphism in the 1A α-Helical Segment of the Companion Layer-Specific Keratin K6hf: Evidence for a Risk Factor in the Etiology of the Common Hair Disorder Pseudofolliculitis Barbae
research Formation and Characterization of Hollow Microtubes by Thermal Treatment of Human Hair
Heating human hair creates hollow microtubes with smooth surfaces.
research Acquired Uncombable Hair
A woman's hair changed to a dry, tangled texture that's hard to comb after treatment with spironolactone, suggesting the medication might cause such hair changes.
research Histochemical observation of the cell membrane complex of hair.
The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.
research Pseudofolliculitis Barbae
Proper shaving techniques and treatments can help prevent and manage ingrown hairs and inflammation in people with curly hair.
research The Enrichment of Specific Hair Follicle-Associated Cell Populations in Plucked Hairs Offers an Opportunity to Study Gene Expression Underlying Hair Traits
Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.
research Changes in the Molecular Structure of Hair in Insulin-Dependent Diabetes
Insulin-dependent diabetes alters hair's molecular structure, making it useful for studying diabetes effects.
research Isolated eyebrow and eyelash trichotillomania mimicking alopecia areata
Some children and young adults with eyebrow and eyelash hair loss actually have a hair-pulling disorder, often with related psychological issues.
research Module-based complexity formation: periodic patterning in feathers and hairs
The conclusion is that understanding how feathers and hairs pattern can help in developing hair regeneration treatments.