research Hair Changes Caused by Aging
Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.
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30-60 / 1000+ results research Three Streams for the Mechanism of Hair Graying
Hair graying may be caused by stem cell depletion from stress or melanocyte damage.
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 Pharmacologic Interventions in Aging Hair
Minoxidil and Finasteride are effective for male baldness; more research is needed for hair aging treatments.
research Histopathology of Aging of the Hair Follicle
Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
research A Function for Rac1 in the Terminal Differentiation and Pigmentation of Hair
Rac1 is essential for proper hair structure and color.
research KIF18B Is a Cell-Type Specific Regulator of Spindle Orientation in the Epidermis
KIF18B is important for correctly positioning cell division machinery in skin cells, affecting hair follicle development.
research From Hair Color to Diagnosis
Hair color is influenced by genetics and can indicate certain health conditions.
research Identifying Novel Strategies for Treating Human Hair Loss Disorders: Cyclosporine A Suppresses the Wnt Inhibitor, SFRP1, in the Dermal Papilla of Human Scalp Hair Follicles
Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.
research Efficacy of an Agonist of α-MSH, the Palmitoyl Tetrapeptide-20, in Hair Pigmentation
Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
research Autoantigen Discovery in the Hair Loss Disorder, Alopecia Areata: Implications of Post-Translational Modifications
New protein changes may be involved in the immune attack on hair follicles in alopecia areata.
research Recreation of a Hair Follicle Regenerative Microenvironment: Successes and Pitfalls
Hair growth environment recreated with challenges; stem cells make successful skin organoids.
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 Perspectives on Hair Evolution Based on Comparative Studies on Vertebrate Cornification
Hair in mammals likely evolved from glandular structures, not scales.
research Acidic and Basic Hair/Nail (Hard) Keratins: Their Colocalization in Upper Cortical and Cuticle Cells of the Human Hair Follicle and Their Relationship to Soft Keratins
Hair and nail cells share similar proteins, indicating a common differentiation pathway.
research Cultured Nail Keratinocytes Express Hard Keratins Characteristic of Nail and Hair In Vivo
Lab-grown nail cells show characteristics similar to natural nail and hair.
research Evaluation of the Effect of Plant Mixture Ethanol Extracts Containing Biota Orientalis L. Extract on Suppression of Sebum in Cultured Sebocytes and on Stimulation of Growth of Keratinocytes Co-cultured with Hair Papilla Cells
The extract reduced sebum production and promoted hair growth.
research Rac-Dependent Signaling from Keratinocytes Promotes Differentiation of Intradermal White Adipocytes
Signals from skin cells controlled by Rac proteins help turn certain precursor cells into white fat cells.
research Perifollicular Vascularization: Cocultures and Tricultures Approaches to Study the Cross-Talk Between Microvascular Endothelial Cells, Follicle Papilla Cells, and Keratinocytes
Hair papilla cells are crucial for blood vessel development in hair follicles, affecting hair growth and loss.
research L-Cystine-Containing Hair-Growth Formulation Supports Protection, Viability, and Proliferation of Keratinocytes
The hair-growth formula with L-cystine helps protect and grow hair cells.
research Generation of Human Hair Follicle Organoids In Vitro and Ex Vivo by Co-Culture of Primary Human Hair Matrix Keratinocytes and Dermal Papilla Fibroblasts
Scientists successfully grew mini hair follicles using human skin cells, which could help treat baldness.
research SCD1 Sustains Homeostasis of Bulge Niche via Maintaining Hemidesmosomes in Basal Keratinocytes
SCD1 is important for hair growth by keeping the connection in skin cells where hair stem cells live stable.
research In Vitro Hair Growth Promoting Effects of Naringenin and Hesperetin on Human Dermal Papilla Cells and Keratinocytes
Naringenin and Hesperetin may help hair grow and protect hair cells from damage.
research The Proximal Promoter of the Human Transglutaminase 3 Gene
The TGM3 gene's promoter region is key for skin and hair cell function and may aid gene therapy.
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 Hair Follicle Regeneration Using Grafted Rodent and Human Cells
Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
research Ectopic Expression of the Nude Gene Induces Hyperproliferation and Defects in Differentiation: Implications for the Self-Renewal of Cutaneous Epithelia
The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
research DKK1 Mediated Inhibition of Wnt Signaling in Postnatal Mice Leads to Loss of TEC Progenitors and Thymic Degeneration
Blocking Wnt signaling in young mice causes thymus shrinkage and cell loss, but recovery is possible when the block is removed.
research Phosphatidic Acid Has Potential to Promote Hair Growth In Vitro and In Vivo, and Activates Mitogen-Activated Protein Kinase/Extracellular Signal-Regulated Kinase Kinase in Hair Epithelial Cells
Phosphatidic acid may help hair grow by affecting cell growth pathways.
research Eph/Ephrin Signaling in Epidermal Differentiation and Disease
Eph/ephrin signaling is important for skin cell behavior and could be targeted to treat skin diseases.