research Two siblings with uncombable hair syndrome: A new pathogenic variant
Two siblings have a rare hair condition caused by a new genetic variant.
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research To grow or not to grow: Hair morphogenesis and human genetic hair disorders
Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.
research Rethinking the mechanics of hair growth: evidence for a pulling model
research Perspectives and Challenges of Hair Analysis
Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
research Fine Structure of Perifollicular Nerve Endings in Human Hair
research Internal structural changes in age‐related curved hair due to cyclical extension: An IR spectroscopy study
Age-related hair curvature increases due to internal structural changes from grooming.
research The Gross Morphology and Scanning Electron Microscopic Evaluation of the Skin Surface in Congenic Strains of Hairless Mice
Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
research Cyclical dermal micro-niche switching governs the morphological infradian rhythm of mouse zigzag hair
Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
research In Vitro Growth of Postembryonic Hair
research Sequential cyclic changes of hair roots revealed by dermoscopy demonstrate a progressive mechanism of diffuse alopecia areata over time
Dermoscopy shows that diffuse alopecia areata progresses through specific hair growth stages.
research Leptin of dermal adipose tissue is differentially expressed during the hair cycle and contributes to adipocyte‐mediated growth inhibition of anagen‐phase vibrissa hair
Leptin from skin fat can slow hair growth during certain phases.
research Transforming growth factor-alpha immunoreactivity during induced hair follicle growth cycles in sheep and ferrets.
TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
research INTRODUCING THEORY LINKING GENESIS OF HAIR SHAFT BIPOLARITY WITH ARRECTOR PILI MUSCLE PROXIMAL ATTACHMENT
The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.
research Characterisation of cell cycle arrest and terminal differentiation in a maximally proliferative human epithelial tissue: Lessons from the human hair follicle matrix
CIP/KIP proteins help stop cell division and support hair growth.
research Four murine monoclonal antibodies specific for the inner root sheath in the human hair follicle
Four antibodies were developed to help study hair follicle cell differentiation.
research Environment of the Anagen Follicle
The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
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 Hair Analysis
research Whn and mHa3 are components of the genetic hierarchy controlling hair follicle differentiation
Whn is crucial for hair growth in certain areas by controlling a specific gene.
research Single-cell sequencing reveals the new existence form of dermal papilla cells in the hair follicle regeneration of cashmere goats
Researchers discovered new cell types in goat hair follicles that could help understand hair regrowth and human hair loss.
research Proteomic Analysis of Single Hairs
Hair proteins are complex and provide valuable genetic and biological information.
research Mesenchyme governs hair follicle induction
The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.
research Hair growth induction by the tellurium immunomodulator AS101: association with delayed terminal differentiation of follicular keratinocytes and ras‐dependent up‐regulation of KGF expression
The substance AS101 can help hair grow by slowing down hair cell aging and boosting a hair growth protein.
research Human hair production by scalp samples grafted onto nude mice. Biochemical data on normal human hair and the genetic defect trichothiodystrophy
Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
research Nanoindentation of Hair Cortex and Medulla Regions
research Cell Kinetics of Anagen Scalp Hairs under Physiological and Pathological Conditions
DNA flow cytometry effectively evaluates how different conditions affect hair growth cell activity.
research 0882 Patterning and regional specification of hairy skin
Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
research 1360 Fate tracing of DNA-damaged hair follicle stem cells and their seno-differentiation clearance out of the niche
Damaged hair follicle stem cells may leave the skin to help maintain youthfulness.
research Mutations in the helix termination motif of mouse type I IRS keratin genes impair the assembly of keratin intermediate filament
Mutations in specific keratin genes cause improper hair structure in mice due to faulty keratin protein assembly.
research Idiopathic Hirsutism*
The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.