research Comparative aspects of the inner root sheath in adult and developing hairs of mammals in relation to the evolution of hairs
The inner root sheath evolved to help hair grow safely through the skin in mammals.
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research Mapping cell dynamics in human ex vivo hair follicles suggests pulling mechanism of hair growth
Hair growth may involve a pulling force from the outer root sheath.
research Some electron microscope observations on hardening in the human hair follicle
The hair follicle structure is more complex than thought, with new findings on protein formation.
research Protein extraction from human anagen head hairs 1-millimeter or less in total length
A new method was developed to extract and analyze proteins from very short human hairs.
research High-voltage Electron Microscopy and 3-D reconstruction of human hair fiber ultrastructure
The research provided a detailed view of the non-keratinous parts of human hair fibers.
research Investigation of differences in follicular penetration of particle-and nonparticle-containing emulsions by laser scanning microscopy
Particles similar in size to hair cells penetrate hair follicles better.
research Modulating hair follicle size with W nt10b/DKK 1 during hair regeneration
Wnt10b makes hair follicles bigger, but DKK1 can reverse this effect.
research Pattern hair loss: Assessment of microinflammation in miniaturized and terminal hair follicles through horizontal histologic sections
Microinflammation is more intense in smaller hair follicles and may be linked to hair loss.
research Hair Dermal papilla maintain its hair inducing characteristics via autocrine exosomal miR-23a-3p
Hair growth is maintained by specific cell signals.
research [A three-dimensional observation of human hair tissue treated by modified trypsin-HC1 method].
The method allows detailed observation of hair tissue structures.
research Cryo-Electron Microscopy of Trichocyte (Hard α-Keratin) Intermediate Filaments Reveals a Low-Density Core
Trichocyte filaments have a low-density core and may include proteins for hair structure.
research Reduced Linear Hair Growth Rates of Vellus and of Terminal Hairs Produced by Human Balding Scalp Grafted onto Nude Mice
Balding scalps slow down hair growth.
research Sensitive Quantitative In Vivo Assay for Evaluating the Effects of Biomolecules on Hair Growth and Coloring Using Direct Microinjections into Mouse Whisker Follicles
The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
research Intermediate hair follicles: a new more clinically relevant model for hair growth investigations
Intermediate hair follicles are a better model for studying hair growth and testing hair loss treatments.
research Differential epithelial outgrowth of plucked and microdissected human hair follicles in explant culture
research Differential epithelial outgrowth of plucked and microdissected human hair follicles in explant culture
research 561 Vellus-to-terminal hair follicle reconversion does occur in male pattern balding in a new humanized mouse model of androgenetic alopecia and is promoted by minoxidil and PRP
Minoxidil and PRP can help convert miniaturized hair follicles back to normal in male pattern baldness.
research Unzipping the cuticle of the human hair shaft to obtain micron/nano keratin filaments
Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.
research Electron microscope observations on the glassy layer of the hair follicle*1
The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
research Matrix-free cryo-microneedles array patch for 3D hair follicle organoids delivery and rapid hair regeneration
research Isolating Dermal Papilla Cells from Human Hair Follicles Using Microdissection and Enzyme Digestion
The method successfully isolates cells that are important for hair growth and could help study hair loss.
research Mouse Hair Cycle Expression Dynamics Modeled as Coupled Mesenchymal and Epithelial Oscillators
The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
research Hair Shaft Abnormalities. Pili Bifurcati: A Scanning Electron Microscopy Analysis
The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
research Exploring Mechanical Niches Identified by Hair Follicle Compression and How These Transduce Proliferation and Differentiation Cues in Epidermally Derived cells.
Less stiff collagen promotes higher cell growth in hair follicles.
research The Arrector Pili Muscle and the Follicular Unit of the Scalp: A Microscopic Anatomy Study
The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
research Folliculin: A surprising molecular brake in the human hair follicle
research In Vitro Growth of Postembryonic Hair
research Decision letter: A multi-scale model for hair follicles reveals heterogeneous domains driving rapid spatiotemporal hair growth patterning
Understanding hair follicle communication can help treat hair loss.
research Cell Types Promoting Goosebumps Form a Niche to Regulate Hair Follicle Stem Cells
Muscles and nerves that cause goosebumps also help control hair growth.
research Regeneration of a New Hair Follicle from the Upper Half of a Human Hair Follicle in a Nude Mouse
The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.