research Epithelial skirt and bulge of human facial vellus hair follicles and and associated Merkel cell-nerve complex
Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
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research Morphological Changes in Human Scalp Hair Roots during Deprivation of Protein
Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
research Estrogens and Human Scalp Hair Growth—Still More Questions than Answers
The effects of estrogen on human hair growth are unclear and need more research.
research Effect of ethnicity and treatments on in situ tensile response and morphological changes of human hair characterized by atomic force microscopy
Different ethnicities and treatments affect human hair strength and structure.
research Tight Junction barriers in human hair follicles – role of claudin-1
Claudin-1 is important for the barrier function and growth of hair.
research Interleukin-1β Is Differentially Expressed by Human Dermal Papilla Cells in Response to PKC Activation and Is a Potent Inhibitor of Human Hair Follicle Growth in Organ Culture
IL-1β inhibits human hair follicle growth.
research Paracrine crosstalk between human hair follicle dermal papilla cells and microvascular endothelial cells
Cells from the base of hair follicles help blood vessel cells survive and grow, which is important for healthy hair.
research Lead-revealed lipid organization in human hair
Lead can help reveal and organize lipids in human hair.
research Mapping the expression of epithelial hair follicle stem cell‐related transcription factors LHX 2 and SOX 9 in the human hair follicle
LHX2 and SOX9 identify unique hair follicle cell groups, crucial for hair maintenance.
research Analysis of cosmetic residues on a single human hair by ATR FT-IR microspectroscopy
Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
research Characterization and Chromosomal Localization of Human Hair-Specific Keratin Genes and Comparative Expression During the Hair Growth Cycle
Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
research Steroidogenic Isoenzymes in Human Hair and Their Potential Role in Androgenetic Alopecia
Steroidogenic isoenzymes may help improve treatments for common hair loss.
research Optimal processing for proteomic genotyping of single human hairs
The method improved hair analysis for better forensic identification.
research Tissue engineering strategies for human hair follicle regeneration: How far from a hairy goal?
Fully regenerating human hair follicles not yet achieved.
research Flavonoid Silibinin Increases Hair-Inductive Property Via Akt and Wnt/��-Catenin Signaling Activation in 3-Dimensional-Spheroid Cultured Human Dermal Papilla Cells
Silibinin may help hair growth and treat hair loss.
research Topobiology of Human Pigmentation: P-Cadherin Selectively Stimulates Hair Follicle Melanogenesis
P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
research Transglutaminase 5 Expression in Human Hair Follicle
TG5 helps maintain hair follicle health, while TG3 aids in hair shaft development.
research Growth of human hair follicle keratinocytes in vitro
The model successfully grew and differentiated hair follicle cells in the lab.
research Size Polymorphisms in the Human Ultrahigh Sulfur Hair Keratin-Associated Protein 4, KAP4, Gene Family
The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
research Identification of clustered cells in human hair follicle responsible for MMP‐9 gelatinolytic activity: consequences for the regulation of hair growth
MMP-9 increase in hair follicles may lead to hair loss.
research Photochemical alterations in human hair. I. Artificial irradiation and investigations of hair proteins
Melanin in black hair protects it from sun damage better than light-brown hair.
research Cosmetic assessment of the human hair by confocal microscopy
Confocal microscopy is better than scanning electron microscopy for studying hair in its natural state and understanding hair products' effects.
research Potential use of human hair shaft keratin peptide signatures to distinguish gender and ethnicity
Keratin peptides in hair might help identify gender and ethnicity.
research Torsional behavior of human hair
Water makes hair more flexible, especially the outer layer.
research Metabolism of androgens by isolated human hair follicles
Beard hair follicles convert testosterone to 5α-dihydrotestosterone most intensively.
research Exogenous and endogenous lipids of human hair
Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
research Automated digital image analysis (TrichoScan®) for human hair growth analysis: Ease versus errors
TrichoScan often makes mistakes and needs improvement for correct hair growth analysis.
research A novel human type I hair keratin gene: evidence for two keratin hHa3 isoforms
Scientists discovered two versions of a new human hair keratin gene.
research Angiogenin is expressed in human dermal papilla cells and stimulates hair growth
Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.
research A cDNA encoding the human type I hair keratin hHa1
hHb1, hHb3, and hHb6 mRNAs start expressing at the same time in hair follicles.