research Evidence for Various Calcium Sites in Human Hair Shaft Revealed by Sub-Micrometer X-Ray Fluorescence
The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
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210-240 / 1000+ results research Metabolism of Androgens by Isolated Human Beard Hair Follicles
Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.
research Rescuing Key Native Traits in Cultured Dermal Papilla Cells for Human Hair Regeneration
Conditioned medium from keratinocytes can improve hair growth potential in cultured dermal papilla cells.
research The Physical and Chemical Disruption of Human Hair After Bleaching – Studies by Transmission Electron Microscopy and Redox Proteomics
Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
research Culture of the Human Pilosebaceous Unit, Hair Follicle, and Sebaceous Gland
The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.
research Androgen Receptor Accelerates Premature Senescence of Human Dermal Papilla Cells in Association with DNA Damage
Androgen receptor signaling causes early aging of cells important for hair growth by damaging their DNA.
research Lack of Androgen Receptor Transcriptional Activity in Human Keratinocytes
Human keratinocytes do not naturally respond to androgens.
research Culture and Differentiation of Human Hair Follicle Dermal Papilla Cells in a Soft 3D Self-Assembling Peptide Scaffold
The 3D scaffold helped maintain hair cell traits and could improve hair loss treatments.
research Reconstructed Human Skin Shows Epidermal Invagination Towards Integrated Neopapillae Indicating Early Hair Follicle Formation In Vitro
The experiment showed that human skin grown in the lab started to form early hair structures when special cell clusters were added.
research Hair Keratin Pattern in Human Hair Follicles Grown In Vitro
Human hair follicles grown in vitro maintain normal keratin patterns and structure.
research High-Performance Liquid Chromatographic Determination of Finasteride in Human Plasma Using Direct Injection with Column Switching
New method detects finasteride in plasma quickly and accurately without clean-up.
research Variation in Human Hair Ultrastructure Among Three Biogeographic Populations
Different populations have distinct hair structures related to their ancestry.
research The CD44+ALDH+ Population of Human Keratinocytes Is Enriched for Epidermal Stem Cells with Long-Term Repopulating Ability
Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.
research Differential Expression of Stem Cell Markers in Human Follicular Bulge and Interfollicular Epidermal Compartments
Different markers are found in stem cells of the scalp's hair follicle bulge and the surrounding skin.
![Benzo[c]quinolizin-3-ones: A Novel Class of Potent and Selective Nonsteroidal Inhibitors of Human Steroid 5α-Reductase 1](/images/research/ff6e6cbe-cb9c-4d11-87ef-671d28ffd4fa/small/15506.jpg)
research Benzo[c]quinolizin-3-ones: A Novel Class of Potent and Selective Nonsteroidal Inhibitors of Human Steroid 5α-Reductase 1
Benzo[c]quinolizin-3-ones are effective nonsteroidal inhibitors of human steroid 5α-reductase 1.
research Finasteride Is the Main Inhibitor of 5α-Reductase Activity in Microdissected Dermal Papillae of Human Hair Follicles
Finasteride potentially treats hair loss by reducing DHT production.
research Isolation of Intermediate Filament Assemblies from Human Hair Follicles
Researchers isolated and identified structural components of human hair follicles, providing a model for studying hair formation.
research Resident Human Dermal Gamma Delta T-Cells Operate as Stress Sentinels: Lessons from the Hair Follicle
Human dermal γδT-cells respond to stress in hair follicles, contributing to hair loss.
research Somatostatin Expression in Human Hair Follicles and Its Potential Role in Immune Privilege
Somatostatin may help protect hair follicles from immune attacks.
research Interaction Between Stem Cell Factor and Endothelin-1: Effects on Melanogenesis in Human Skin Xenografts
SCF and ET-1 together significantly increase skin pigmentation and melanin production.
research Human Hair Growth Ex Vivo Is Correlated With In Vivo Hair Growth: Selective Categorization of Hair Follicles for More Reliable Hair Follicle Organ Culture
Choosing hair follicles at the same growth stage leads to more consistent hair growth experiments.
research The mRNA for Protease Nexin-1 is Expressed in Human Dermal Papilla Cells and its Level is Affected by Androgen
Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
research Minoxidil Specifically Decreases the Expression of Lysine Hydroxylase in Cultured Human Skin Fibroblasts
Minoxidil reduces lysine hydroxylase in skin cells.
research Cuticle Damage and the Tensile Properties of Human Hair
Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
research Human Hair Form: Morphology Revealed by Light and Scanning Electron Microscopy and Computer-Aided Three-Dimensional Reconstruction
Hair follicle shape determines hair type: curly, straight, or in-between.
research 3-Deoxysappanchalcone Promotes Proliferation of Human Hair Follicle Dermal Papilla Cells and Hair Growth in C57BL/6 Mice by Modulating WNT/β-Catenin and STAT Signaling
3-Deoxysappanchalcone helps human hair cells grow and stimulates hair growth in mice by affecting certain cell signaling pathways.
research Enhancement of Human Hair Growth Using Ecklonia Cava Polyphenols
Ecklonia cava polyphenols help increase human hair growth and reduce hair loss.
research Reprogramming of Human Hair Follicle Dermal Papilla Cells into Induced Pluripotent Stem Cells
Human hair follicle cells can be successfully transformed into different types of cells, but not more efficiently than other adult cells.
research Expression of Dermcidin in Sebocytes Supports a Role for Sebum in the Constitutive Innate Defense of Human Skin
Sebum helps protect human skin from microbes.
research Malva Verticillata Seed Extracts Upregulate the Wnt Pathway in Human Dermal Papilla Cells
Malva verticillata seed extract might help treat hair loss by activating hair growth signals in skin cells.