research 5α-Reductase Activity in the Human Hair Follicle Concentrates in the Dermal Papilla
The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
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research Mind the Gender Gap: Does Prolactin Exert Gender and Site-Specific Effects on the Human Hair Follicle?
Prolactin may affect hair growth differently based on gender and scalp area.
research The Glypican-1/HGF/C-Met and Glypican-1/VEGF/VEGFR2 Ternary Complexes Regulate Hair Follicle Angiogenesis
Glypican-1 is important for blood vessel growth in hair follicles and could help treat hair loss.
research Vasoactive Intestinal Peptide, Whose Receptor-Mediated Signaling May Be Defective in Alopecia Areata, Provides Protection from Hair Follicle Immune Privilege Collapse
A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.
research Anagen Effluvium: A Review of Rapid Hair Loss During Growth Phase and Loose Anagen Hair Syndrome
Hair usually grows back 1-3 months after treatment for anagen effluvium, and children with Loose Anagen Hair Syndrome often improve by adolescence.
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 Keratin 71 Mutations: From Water Dogs to Woolly Hair
A mutation in the KRT71 gene causes a hair disorder by disrupting hair follicle structure and texture.
research Abstracts from the Symposium on the Pathophysiology of Hair Growth Organized by the Institute of Dermatology at the Royal Society of Medicine, 29 October 1987
The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.
research Stress, Hair Growth Control, and the Neuro-Endocrine-Immune Connection
Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.
research Norgalanthamine Stimulates Proliferation of Dermal Papilla Cells via Anagen-Activating Signaling Pathways
Norgalanthamine helps hair cells grow by activating certain pathways related to hair growth.
research Anagen Effluvium Due to Thallium Poisoning from Chinese Herbal Medicine and Rodenticide Containing Thallium Salts
A woman and her daughter had thallium poisoning from a herbal drink and rodenticide, causing hair loss and other symptoms.
research Anagen Effluvium After Therapeutic Scalp Surgery: Unreported Phenomenon
Hair loss can occur about 4 weeks after scalp surgery but usually grows back within 3 months without treatment.
research Keratin 79 Identifies a Novel Population of Migratory Epithelial Cells That Initiates Hair Canal Morphogenesis and Regeneration
Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.
research Disruption of Smad4 in Mouse Epidermis Leads to Depletion of Follicle Stem Cells
Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.
research ILK Modulates Epithelial Polarity and Matrix Formation in Hair Follicles
ILK is essential for proper hair follicle development and structure.
research Annurca Apple Polyphenols Ignite Keratin Production in Hair Follicles by Inhibiting the Pentose Phosphate Pathway and Amino Acid Oxidation
Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
research Stem Cells of the Hair Follicular Tissue: Application in Cell-Based Therapy for Vitiligo
Hair follicle stem cells could be used to treat the skin condition vitiligo.
research Dystrophic Anagen Effluvium Occurring During Pegylated Interferon-α-2a/Ribavirin Therapy
A woman's hair loss during Hepatitis C treatment with PEG-INF-a-2a and Ribavirin was reversible after stopping the medication.
research IL-33 Contributes to the Pathological Changes of Hair Follicles in Psoriasis: A Potential Target for Psoriatic Alopecia
IL-33 is linked to hair follicle damage in psoriasis and could be a treatment target for hair loss in this condition.
research Methods for the Isolation and 3D Culture of Dermal Papilla Cells from Human Hair Follicles
The document describes a way to isolate and grow human hair follicle cells in 3D to help study hair growth.
research Sex Hormones and Antiandrogens Influence In Vitro Growth of Dermal Papilla Cells and Outer Root Sheath Keratinocytes of Human Hair Follicles
Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.
research Loose Anagen Syndrome: A Retrospective Chart Review of 37 Cases
Loose Anagen Syndrome is more common in females and may be inherited, often confused with other hair disorders, and lacks evidence for biotin treatment effectiveness.
research Hair Follicle Immune Privilege and Its Collapse in Alopecia Areata
Hair follicles are normally protected from the immune system, but when this protection fails, it can cause hair loss in alopecia areata.
research Hair Removal Using a Long-Pulsed Alexandrite Laser
The long-pulsed alexandrite laser is effective for hair reduction, particularly for light-skinned individuals with dark hair, but caution is needed for darker skin.
research Trichotillometry: A Technique for Hair Assessment
Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.
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.
research The Role of Hair Follicle Immune Privilege Collapse in Alopecia Areata: Status and Perspectives
Alopecia areata may be treated by restoring hair follicle immune privilege and adjusting immune responses.
research Human Hair Follicle and Epidermal Melanocytes Exhibit Striking Differences in Their Aging Profile Involving Catalase
Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
research Systematic Approach to Hair Loss in Women
A systematic approach is crucial for managing hair loss in women.
research Stem Cells and Alopecia: A Review of Pathogenesis
Damaged hair follicle stem cells can cause permanent hair loss, but understanding their role could lead to new treatments.