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 Cutaneous Metabolism of Vitamin B-6
An enzyme other than TNAP might be responsible for vitamin B-6 metabolism in the skin.
research 5α-Reductase Isozymes and Aromatase mRNA Levels in Plucked Hair from Young Women with Female Pattern Hair Loss
Higher enzyme levels found in women with hair loss, suggesting hormone imbalance.
research Betaine Supplementation Is Less Effective Than Methionine Restriction in Correcting Phenotypes of CBS Deficient Mice
Methionine restriction works better than betaine for treating CBS deficiency symptoms in mice.
research Adrenal 21-Hydroxylase Gene Mutations in Slovenian Hyperandrogenic Women: Evaluation of Corticotrophin Stimulation and HLA Polymorphisms in Screening for Carrier Status
The study concluded that testing hormone levels after stimulation is not reliable for identifying carriers of 21-hydroxylase deficiency; genetic testing is necessary.
research Congenital Zinc Deficiency from Mutations of the SLC39A4 Gene as the Genetic Background of Acrodermatitis Enteropathica
A Korean boy's skin and digestive symptoms were caused by a rare genetic disorder that affects zinc absorption, and he got better with zinc supplements.
research Predominant Expression of 5 Alpha-Reductase Type 1 in Pubic Skin from Normal Subjects and Hirsute Patients
The main enzyme found in pubic skin that could be targeted to treat excessive hair growth is 5 alpha-R2.
research Transcriptome Analysis of Skin from SMP30/GNL Knockout Mice Reveals the Effect of Ascorbic Acid Deficiency on Skin and Hair
Vitamin C deficiency changes gene expression, affecting skin and hair health.
research Cyclin D3 Deficiency Inhibits Skin Tumor Development But Does Not Affect Normal Keratinocyte Proliferation
Lacking cyclin D3 reduces skin cancer growth without affecting normal skin cell growth.
research Vitamin D Status and the Effect of Oral Vitamin D Treatment in Children with Alopecia Areata
Oral vitamin D treatment can help some children with alopecia areata who have vitamin D deficiency.
research Possible Relationships Between the Physical Conditions of Cattle and the Occurrence of Structural Modifications of Their Coat Hair
Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
research 46,XY Disorders of Sex Development Due to Type 2 5-Alpha Reductase Deficiency in Three Siblings: A Case Report from a Low-Resource Setting
Three siblings with a rare genetic condition had abnormal sexual development and chose different gender identities, needing surgery and therapy.
research Targeting the Pre-Receptor Metabolism of Cortisol as a Novel Therapy in Obesity and Diabetes
Blocking a specific enzyme might help treat obesity and diabetes, but more research is needed to ensure it's safe.
research Mechanisms of Disease: Selective Inhibition of 11β-Hydroxysteroid Dehydrogenase Type 1 as a Novel Treatment for Metabolic Syndrome
Blocking the enzyme 11β-HSD1 might help treat obesity and metabolic issues.
research Overexpression of Aldo-Keto Reductase 1C3 in LNCaP Cells Diverts Androgen Metabolism Towards Testosterone Resulting in Resistance to the 5α-Reductase Inhibitor Finasteride
Too much AKR1C3 enzyme causes resistance to finasteride by increasing testosterone.
research Cloning, Expression, and Characterization of Rhesus Macaque Types 1 and 2 5alpha-Reductase: Evidence for Mechanism-Based Inhibition by Finasteride
Finasteride inhibits enzyme activity in rhesus macaques, suggesting they're useful for evaluating similar drugs.
research Expression of E-SOD, GPX5 mRNAs and Immunoexpression of Cu/ZnSOD in Epididymal Epithelial Cells of Finasteride-Treated Rats
Finasteride changes antioxidant enzyme expression, possibly affecting sperm protection in rats.
research Determination of Rat 5α-Reductase Type 1 Isozyme Activity and Its Inhibition by Novel Steroidal Oxazolines
New steroidal compounds moderately block an enzyme related to testosterone conversion, less effectively than finasteride.
research Sphingolipid Metabolism Orchestrates the Establishment of the Adult Hair Follicle Stem Cell Niche to Control Skin Homeostasis
A specific enzyme is essential for proper hair follicle stem cell development and healthy skin.
research Species Differences in Prostatic Steroid 5α-Reductases of Rat, Dog, and Human
Different animals have unique versions of the enzyme that changes testosterone into another hormone, which is important for creating effective treatments for prostate and hair loss conditions.
research Four-Amino Acid Segment in Steroid 5 Alpha-Reductase 1 Confers Sensitivity to Finasteride, a Competitive Inhibitor
Four-amino acid part makes enzyme sensitive to finasteride.
research Expression of mRNA for Androgen Receptor, 5α-Reductase, and 17β-Hydroxysteroid Dehydrogenase in Human Dermal Papilla Cells
Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
research Dihydrotestosterone Stimulates 5α-Reductase Activity in Pubic Skin Fibroblasts
Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
research Novel Inhibitors of 5α-Reductase
New research is needed to create better drugs that block the enzyme responsible for conditions like male baldness and prostate enlargement.
research Lrig1-Expressing Epidermal Progenitors Require SCD1 to Maintain the Dermal Papilla Niche
Hair growth-related cells need the enzyme SCD1 to help maintain the area that supports hair growth.
research Hair Loss and Herbs for Treatment
Herbs can potentially treat hair loss by inhibiting a key enzyme and promoting hair growth, and deficiencies in zinc, biotin, and iron are linked to hair loss.
research Xenobiotic-Metabolizing Enzymes in the Skin of Rat, Mouse, Pig, Guinea Pig, Man, and in Human Skin Models
Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.
research Azasteroids as Inhibitors of Testosterone 5α-Reductase in Mammalian Skin
Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
research Novel Lead Generation Through Hypothetical Pharmacophore Three-Dimensional Database Searching: Discovery of Isoflavonoids as Nonsteroidal Inhibitors of Rat 5α-Reductase
Researchers found new potential but less potent rat enzyme inhibitors using a 3D model.
research 5α-Reductase Inhibitors: Chemical and Clinical Models
Researchers developed a model to predict how well certain compounds can block an enzyme related to hair loss and prostate issues, suggesting a 50 mg dose of finasteride might be effective based on lab and body data.