research Human Osteoblast-Like Cells Express Predominantly Steroid 5α-Reductase Type 1
Human bone cells mainly produce a type 1 enzyme that may help regulate bone health.
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research Clinical and histopathologic features of hair loss in patients with HIV-1 infection
People with late-stage HIV-1 often experience a specific type of hair loss linked to multiple factors, including nutritional issues and immune responses.
research Nudging hair shedding by antidandruff shampoos. A comparison of 1% ketoconazole, 1% piroctone olamine and 1% zinc pyrithione formulations
All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.
research Cortisol Enhances the Expression of mac25/Insulin-Like Growth Factor-Binding Protein-Related Protein-1 in Cultured Osteoblasts**This work was supported by NIDDK Grant DK-45227 and a scholarship (to R.C.P.) from Fundacao Coordenacao de Aperfeicoa mento de Pessoal de Nivel Superior (CAPES), Universidade de Sao Paulo (Sao Paulo, Brazil).
Cortisol increases a specific protein in bone cells, which may help explain its negative effects on bone.
research Cushing Syndrome from Percutaneous Absorption of 1% Hydrocortisone Ointment in Netherton Syndrome
Low-potency steroids can cause serious side effects in people with skin conditions like Netherton syndrome.
research Male androgenetic alopecia: Population-based study in 1,005 subjects
58% of men aged 30-50 have hair loss, with severity increasing with age.
research Mutations in SREBF1, Encoding Sterol Regulatory Element Binding Transcription Factor 1, Cause Autosomal-Dominant IFAP Syndrome
Changes in the SREBF1 gene cause a rare genetic skin and hair disorder.
research Cepharanthine Suppresses Herpes Simplex Virus Type 1 Replication Through the Downregulation of the PI3K/Akt and p38 MAPK Signaling Pathways
Cepharanthine effectively reduces Herpes Simplex Virus Type 1 by blocking certain cell pathways and promoting cell death.
research Particle-based transcutaneous administration of HIV-1 p24 protein to human skin explants and targeting of epidermal antigen presenting cells
This method is effective for needle-free HIV-1 vaccination by activating immune responses in the skin.
research Type I Keratin 17 Protein Is Phosphorylated on Serine 44 by p90 Ribosomal Protein S6 Kinase 1 (RSK1) in a Growth- and Stress-dependent Fashion
Keratin 17 is modified by RSK1 in response to growth and stress, affecting skin growth and stress response.
research Unilateral Gynecomastia Induced by Treatment With 1 mg of Oral Finasteride
Finasteride can cause one-sided breast enlargement, which disappears after stopping the drug.
research Randomized clinical trial comparing 5% and 1% topical minoxidil for the treatment of androgenetic alopecia in Japanese men
5% minoxidil works better for hair growth than 1% minoxidil.
research Mammalian target of rapamycin complex 1 (mTORC 1) may modulate the timing of anagen entry in mouse hair follicles
A protein complex called mTORC1 likely affects when hair growth starts in mice.
research Activation of the Human Transient Receptor Potential Vanilloid Subtype 1 by Essential Oils
Certain essential oils can activate a human skin receptor, potentially helping with skin disorders.
![Benzo[c]quinolizin-3-ones: A Novel Class of Potent and Selective Nonsteroidal Inhibitors of Human Steroid 5α-Reductase 1](/images/research/ff6e6cbe-cb9c-4d11-87ef-671d28ffd4fa/small/15506.jpg)
research Benzo[c]quinolizin-3-ones: A Novel Class of Potent and Selective Nonsteroidal Inhibitors of Human Steroid 5α-Reductase 1
Benzo[c]quinolizin-3-ones are effective nonsteroidal inhibitors of human steroid 5α-reductase 1.
research Sexual dimorphism of growth plate prehypertrophic and hypertrophic chondrocytes in response to testosterone requires metabolism to dihydrotestosterone (DHT) by steroid 5‐alpha reductase type 1
Male cells need DHT to respond to testosterone, while female cells do not.
![[4-t-Butylphenyl]-N-(4-imidazol-1-yl phenyl)sulfonamide (ISCK03) Inhibits SCF/c-kit Signaling in 501mel Human Melanoma Cells and Abolishes Melanin Production in Mice and Brownish Guinea Pigs](/images/research/4eb017dc-711d-4926-bcd0-c3b8f48e3a99/small/19974.jpg)
research [4-t-Butylphenyl]-N-(4-imidazol-1-yl phenyl)sulfonamide (ISCK03) inhibits SCF/c-kit signaling in 501mel human melanoma cells and abolishes melanin production in mice and brownish guinea pigs
ISCK03 stops melanin production in human melanoma cells and lightens skin color in mice and guinea pigs.
research Unilateral Gynecomastia Induced by Treatment With 1 mg of Oral Finasteride
research A Murine Monoclonal Antibody (VM-1) Against Human Basal Cells Inhibits the Growth of Human Keratinocytes in Culture
research Tofacitinib (Selective Janus Kinase Inhibitor 1 and 3): A promising therapy for the treatment of alopecia areata: A case report of six patients
Tofacitinib helped regrow hair in patients with alopecia, with few side effects.
research The Functional Relevance of the Type 1 Cytokines IFN-γ and IL-2 in Alopecia Areata of C3H/HeJ Mice
IFN-γ and IL-2 are important for T cell activation in hair loss in mice.
research Epidemiology of post-COVID conditions beyond 1 year: a cross-sectional study
Over 25% of COVID-19 patients had symptoms lasting more than a year.
research Persistent Sexual Dysfunction with Finasteride 1 mg Taken for Hair Loss
Finasteride for hair loss increases risk of long-lasting sexual dysfunction.
research Protein extraction from human anagen head hairs 1-millimeter or less in total length
A new method was developed to extract and analyze proteins from very short human hairs.
research Characterization of Human Keratin-Associated Protein 1 Family Members
Mutations in hKAP1 genes may cause hereditary hair disorders.
research Hair regrowth following a Wnt- and follistatin containing treatment: safety and efficacy in a first-in-man phase 1 clinical trial.
The treatment improved hair growth in people with male pattern baldness.
research Adherence to topical hydrocortisone 17-butyrate 0.1% in different vehicles in adults with atopic dermatitis
Adults with atopic dermatitis showed similar adherence to different forms of hydrocortisone cream, but actual use varied despite self-reports of near-perfect usage.
research Rejuvenation of the male scalp using 1,927 nm non-ablative fractional thulium fiber laser
Laser treatment improved scalp skin condition with no side effects.
research Analysis of genetic polymorphisms of steroid 5α-reductase type 1 and 2 genes in Korean men with androgenetic alopecia
Gene differences may affect baldness treatment response in Korean men.
research Frontal pseudoalopecia in history: Part 1—Fashionable forms
In the Middle Ages, European noblewomen intentionally removed forehead hair to be fashionable, showing how beauty standards can affect the perception of hair loss.