research Validity of Methyl Mercury Hair Analysis: Mercury Monitoring in Human Scalp/Nude Mouse Model
Human scalp hair on mice can effectively monitor mercury exposure.
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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.
research Transplants from Balding and Hairy Androgenetic Alopecia Scalp Regrow Hair Comparably Well on Immunodeficient Mice
Hair from balding and non-balding areas regrows similarly on mice.
research Diffuse Scalp Hair Loss Due to Levothyroxine Overdose
Too much levothyroxine can cause hair loss in infants.
research Human Scalp Hair: Modulation by Various Factors and Hormones - Do Estrogens Inhibit or Stimulate? A Perplexing Perspective
The effects of estrogen on human scalp hair growth are unclear and need more research.
research Is Intrafollicular Autophagy an Essential Mechanism That Permits Human Hair Follicles to Remain in Prolonged Anagen In Vivo?
Autophagy, a cell recycling process, is crucial for prolonged hair growth and could be a potential target for treating hair growth disorders.
research Effect of Chinese Medicinal Herbs on Human Scalp Hair Growth In Vitro
Low doses of certain Chinese herbs can promote hair growth, while high doses may inhibit it.
research Human Fetal Scalp Dermal Papilla Enriched Genes and the Role of R-Spondin-1 in the Restoration of Hair Neogenesis in Adult Mouse Cells
Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.
research Beyond the Epidermal-Melanin-Unit: The Human Scalp Anagen Hair Bulb Is Home to Multiple Melanocyte Subpopulations of Variable Melanogenic Capacity
The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
research Dandruff Is Associated With Perturbations of Hair Follicle Immune Privilege and the Infundibular and Epidermal Immune Microenvironment
Dandruff is linked to changes in the immune system of hair follicles and skin.
research Follicles First: The Importance of Follicular Transplantation in Beard Reconstruction
The authors suggest using scalp hair follicles for beard reconstruction to improve results and reduce surgery time and patient discomfort.
research Prostaglandin D2 Inhibits Hair Growth and Is Elevated in Bald Scalp of Men with Androgenetic Alopecia
PGD2 stops hair growth and is higher in bald men with AGA.
research Hedgehog Signaling Maintains Hair Follicle Stem Cell Phenotype in Young and Aged Human Skin
Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
research A Simple Assay for the Study of Human Hair Follicle Damage Induced by Ionizing Irradiation
Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
research Effect of Intense Pulsed Light Treatment on Human Skin In Vitro: Analysis of Immediate Effects on Dermal Papillae and Hair Follicle Stem Cells
Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
research Scalp Condition Impacts Hair Growth And Retention Via Oxidative Stress
Healthy scalp reduces hair loss by managing oxidative stress.
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 Distribution of Follicular Units in the Chinese Scalp: Implications for Reconstruction of Natural-Appearing Hairlines in Orientals
Chinese patients have fewer hair follicles than Caucasians, and transplanting hair at 40% of normal density works for natural-looking hairlines.
research A Controlled Study of the Effects of RU58841, a Non-Steroidal Antiandrogen, on Human Hair Production by Balding Scalp Grafts Maintained on Testosterone-Conditioned Nude Mice
RU58841 significantly increases hair growth rate and initiates more hair cycles, but doesn't affect hair thickness, suggesting it could be a new treatment for baldness.
research Hair Follicle Plasticity with Complemented Immune-Modulation Following Follicular Unit Extraction
Transplanted hair follicles can change and adapt to new areas of the body, with the immune system possibly playing a role in this adjustment.
research Hair Physiology: Hair Growth, Alopecia, Scalp Treatment, Etc.
The document concludes that new treatments for hair loss may involve a combination of cosmetics, clinical methods, and genetic approaches.
research Micro-Segmental Analysis of the Entry Pathway and Distribution of Zolpidem in Hair From Different Scalp Regions After a Single Dose
Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
research Human Hair Follicles Can Smell: OR2AT4-Mediated Hair Growth Regulation
Human hair follicles have a scent receptor that can influence hair growth.
research Vellus-to-Terminal Hair Follicle Reconversion in Male Pattern Balding in a New Humanized Mouse Model of Androgenetic Alopecia and Its Promotion by Minoxidil and PRP
Minoxidil and PRP can help convert miniaturized hair follicles back to normal in male pattern baldness.
research Towards Dissecting the Pathogenesis of Retinoid-Induced Hair Loss: All-Trans Retinoic Acid Induces Premature Hair Follicle Regression by Upregulation of Transforming Growth Factor-β2 in the Dermal Papilla
All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
research A Human Folliculoid Microsphere Assay for Exploring Epithelial-Mesenchymal Interactions in the Human Hair Follicle
HFMs can help study hair growth and test potential hair growth drugs.
research Biology of the Eyelash Hair Follicle: An Enigma in Plain Sight
Scientists don't fully understand eyelash hair follicle biology, including growth and color, and suggest more research is needed.
research Cartilage Oligomeric Matrix Protein Forms Part of the Connective Tissue of Normal Human Hair Follicles
A protein called COMP is part of the connective tissue in normal human hair follicles and may be important for hair health.
research Hair-Follicle Transplant Into Chronic Ulcers: A New Graft Concept
Transplanting hair follicles into chronic ulcers helps them heal better.
research Partial Alopecia Area Retains Bulge Hair Follicle Progenitor Cells in Indian Androgenetic Alopecia Patients
Some hair growth cells remain in partially bald areas of Indian men with hair loss.