research Hormonal Regulation of Hair Follicles Exhibits a Biological Paradox
Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
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research Bulge Cells of Human Hair Follicles: Segregation, Cultivation, and Properties
Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.
research Histologic Study of the Regeneration Process of Human Hair Follicles Grafted onto SCID Mice after Bulb Amputation
Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
research Nestin as a Marker of Unipotent Epithelial Progenitor Cells Differentiating into Outer Root Sheath Keratinocytes in Embryonic and Adult Hair Follicles
Nestin-expressing cells turn into a specific type of skin cell in hair follicles during development and in adults.
research Erythropoietin Promotes Hair Shaft Growth in Cultured Human Hair Follicles and Modulates Hair Growth in Mice
Erythropoietin helps hair grow and could be a potential treatment for hair loss.
research Mycophenolate Antagonizes IFN-γ-Induced Catagen-Like Changes via β-Catenin Activation in Human Dermal Papilla Cells and Hair Follicles
Mycophenolate helps reverse hair loss effects caused by IFN-γ by activating a key hair growth pathway.
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 Extracellular Vesicles Derived from MSCs Activate Dermal Papilla Cells In Vitro and Promote Hair Follicle Conversion from Telogen to Anagen in Mice
Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.
research Topical Application of Polygonum Multiflorum Extract Induces Hair Growth of Resting Hair Follicles Through Upregulating Shh and β-Catenin Expression in C57BL/6 Mice
Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
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 Skin Physiology in Microgravity: A 3-Month Stay Aboard ISS Induces Dermal Atrophy and Affects Cutaneous Muscle and Hair Follicles Cycling in Mice
A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.
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 Expression Patterns of Glial Cell Line-Derived Neurotrophic Factor, Neurturin, Their Cognate Receptors GFRα-1, GFRα-2, and Common Signal Transduction Element c-Ret in Human Skin Hair Follicles
Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
research Cutaneous Application of Alpha-Methylspermidine Activates the Growth of Resting Hair Follicles in Mice
Putting α-methylspermidine on mouse skin can start hair growth.
research Intrinsic Activation of Cell Growth and Differentiation in Ex Vivo Cultured Human Hair Follicles by a Transient Endogenous Production of ROS
Temporary ROS production in cultured human hair follicles promotes growth and stem cell activation.
research Analysis of the Expression Pattern of the Carrier Protein Transthyretin and Its Receptor Megalin in the Human Scalp Skin and Hair Follicles: Hair Cycle-Associated Changes
The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
research Aqueous Extract of Red Deer Antler Promotes Hair Growth by Regulating the Hair Cycle and Cell Proliferation in Hair Follicles
Red deer antler extract helps hair grow by extending the growth phase and increasing cell growth in hair follicles.
research Nestin as a Marker of Unipotent Embryonic and Adult Progenitors Differentiating into an Epithelial Cell Lineage of the Hair Follicles
Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
research TR3 Is Preferentially Expressed by Bulge Epithelial Stem Cells in Human Hair Follicles
TR3 is mainly found in hair follicle stem cells and may be involved in hair loss.
research Effects of the Selective TrkA Agonist Gambogic Amide on Pigmentation and Growth of Human Hair Follicles In Vitro
Gambogic Amide helps maintain hair color and promotes hair growth.
research Thyroid Hormones Directly Alter Human Hair Follicle Functions: Anagen Prolongation and Stimulation of Both Hair Matrix Keratinocyte Proliferation and Hair Pigmentation
Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
research Identification of Transcriptional Targets of Wnt/β-Catenin Signaling in Dermal Papilla Cells of Human Scalp Hair Follicles: EP2 Is a Novel Transcriptional Target of Wnt3a
Wnt3a activates certain genes in hair follicle cells, including a newly discovered one, EP2, which may affect hair growth.
research Glycogen Phosphorylase Inhibitor Promotes Hair Growth via Protecting from Oxidative Stress and Regulating Glycogen Breakdown in Human Hair Follicles
A new compound, HTPI, promotes hair growth by protecting cells from damage and regulating energy use.
research Polygonum Multiflorum Extract Supports Hair Growth by Elongating Anagen Phase and Abrogating the Effect of Androgen in Cultured Human Dermal Papilla Cells
Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.
research Hot Water Extract of Oriental Melon Leaf Promotes Hair Growth and Prolongs Anagen Hair Cycle: In Vivo and In Vitro Evaluation
Oriental melon leaf extract may help hair grow and keep it in the growing phase longer.
research Possible Mechanisms of Miniaturization During Androgenetic Alopecia or Pattern Hair Loss
Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.
research Pathobiology of Chemotherapy-Induced Hair Loss
Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.
research Methods in Hair Research: How to Objectively Distinguish Between Anagen and Catagen in Human Hair Follicle Organ Culture
A reliable system was developed to distinguish hair growth stages, aiding in identifying hair growth promoters or inhibitors.
research Minoxidil Activates β-Catenin Pathway in Human Dermal Papilla Cells: A Possible Explanation for Its Anagen Prolongation Effect
Minoxidil helps hair growth by activating the β-catenin pathway.
research Single-Cell Profiling Reveals a Potent Role of Quercetin in Promoting Hair Regeneration
Quercetin significantly helps hair growth by activating hair follicles and improving blood vessel formation around them.