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 Absence of Vellus Hair in the Hairline: A Videodermatoscopic Feature of Frontal Fibrosing Alopecia
Lack of small, fine hair on the front hairline is a key sign of frontal fibrosing alopecia.
research Inhibition of Hair Growth by Testosterone in the Presence of Dermal Papilla Cells from the Frontal Bald Scalp of the Postpubertal Stumptailed Macaque
Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
research Use of the TrichoScan to Assess Female Pattern Hair Loss
TrichoScan helps identify subtle hair thinning in women with androgenetic alopecia.
research In Vitro Main Pathways of Steroid Action in Cultured Hair Follicle Cells: Vascular Approach
Steroids, particularly estrogens and 5α-reductase inhibitors, affect blood vessel-related hair growth processes in hair follicle cells.
research Hair Follicle Transplantation on Scar Tissue
Hair follicle transplantation can hide scars but often needs more than one surgery for better results.
research Fibroproliferative Genes Are Preferentially Expressed in Central Centrifugal Cicatricial Alopecia
Genes linked to fibrosis are more active in people with central centrifugal cicatricial alopecia.
research Higher Levels of Steroidogenic Acute Regulatory Protein and Type I 3β-Hydroxysteroid Dehydrogenase in the Scalp of Men with Androgenetic Alopecia
Men with baldness have higher levels of specific proteins, suggesting local hormone production may play a role in hair loss.
research Female Patients Complaining About Hair Loss: Documentation of Defective Scalp Hair Dynamics with Contrast-Enhanced Phototrichogram
The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.
research Hair Cuticle Differences Between Asian And Caucasian Females
Asian hair is stronger and more damage-resistant than Caucasian hair due to a thicker cuticle layer.
research Testosterone Metabolism in Human Skin Cells In Vitro and Its Interaction with Estradiol and Dutasteride
Different skin cells process testosterone differently, and certain drugs can change this process, possibly helping treat acne and hair loss.
research Phototrichogram Findings in Women with Androgenetic Alopecia
Women with AGA have less hair on midscalp, more thin and non-growing hair.
research Dermal Fibrosis in Male Pattern Hair Loss: A Suggestive Implication of Mast Cells
Mast cells might contribute to hair loss by causing skin thickening.
research An Investigation of Crosstalk Between Wnt/β-Catenin and Transforming Growth Factor-β Signaling in Androgenetic Alopecia
Wnt/β-catenin and TGF-β pathways affect hair loss, and activating Wnt/β-catenin could be a potential treatment.
research Blood MUC-18/MCAM Expression in Patients with Melanoma: A Suitable Marker of Poor Outcome
High MUC-18/MCAM levels in blood indicate a worse outlook for melanoma patients.
research Expression of the L-Fucose Moiety on Infrainfundibular Follicular Keratinocytes of Terminal Follicles, Its Decreased Expression on Vellus and Indeterminate Follicles of Androgenetic Alopecia, and Re-Expression in Drug-Induced Hair Regrowth
Sugar molecule helps hair growth, less in balding, returns with treatment.
research Progressive Expression of PPARGC1α Is Associated with Hair Miniaturization in Androgenetic Alopecia
Increased PPARGC1α relates to hair thinning in common baldness.
research Alterations in Hair Follicle Morphology and Hair Shaft Production After Follicular Unit Transplantation
Hair transplants can make hair follicles larger and hair shafts thicker.
research Substance P Prolongs Human Hair Growth In Vitro
Substance P helps hair grow longer and faster.
research A New Method of Donor Site Harvesting
A new suturing technique for hair transplant donor sites leads to better scarring and allows more grafts to be taken.
research Characteristics of Nonbalding Scalp Zones of Androgenetic Alopecia in East Asians
Hair density and thickness decrease in all scalp areas for East Asians with AGA.
research Body Hair Transplantation: Case Report of Successful Outcome
A man with baldness had successful hair growth after transplanting body hair to his head.
research Evaluation of Apoptosis Regulatory Markers in Androgenetic Alopecia
Apoptosis may contribute to hair loss in androgenetic alopecia.
research Significant Relationship Between Temporal Hair Loss and Other Scalp Areas in Female Pattern Hair Loss
Temporal hair loss relates to overall scalp hair loss in women.
research Hair Casts (Pseudonits) in a 9-Year-Old Girl
The girl had harmless hair casts, not lice.
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 Monilethrix: A Rare Inherited Hair Shaft Disorder in Siblings
Monilethrix is a genetic hair disorder causing fragile, beaded hair with no effective treatment.
research Improvement of Atopic Dermatitis and Alopecia Universalis with Dupilumab: A Case Report
Dupilumab can improve both atopic dermatitis and alopecia universalis.
research Surgical Strategies for Scalp and Forehead Injuries and Hair Loss
The document concludes that successful surgical repair of scalp and forehead issues requires careful planning and various techniques depending on the injury or defect size.
research Diffuse Hair Loss Associated With Hyperprolactinaemia: Report of Three Cases
High levels of prolactin in the blood can be linked to widespread hair loss.