research 25 Hydroxyvitamin D 1 α-Hydroxylase Is Required for Optimal Epidermal Differentiation and Permeability Barrier Homeostasis
The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
Search
for
Sort by
Research
60-90 / 1000+ results 
research Topographical and developmental studies on target sites of 1,25 (OH2) vitamin D3 in skin
Vitamin D3 affects cell differentiation in specific skin areas.
research Mutations in the vitamin D receptor gene in four patients with hereditary 1,25-dihydroxyvitamin D-resistant rickets
Four patients with a type of rickets and hair loss had different mutations in their vitamin D receptor gene, causing it to not work properly.
research Optimization of the method for the culture of melanocyte precursors from hair follicles and their activation by 1,25-dihydroxyvitamin D3
1,25-dihydroxyvitamin D3 helps melanocyte precursors from hair follicles grow and produce melanin, aiding vitiligo treatment understanding.
research Prevalence of MMP-1 rs1799750 Polymorphism in Androgenetic Alopecia: A Cross-Sectional Study in an Indonesia Population
There is no significant link between the MMP-1 rs1799750 polymorphism and androgenetic alopecia in the Indonesian population.
research Pharmacokinetic parameters and mechanisms of inhibition of rat type 1 and 2 steroid 5α-reductases: determinants for different in vivo activities of GI198745 and finasteride in the rat 3 3Abbreviations: r5AR1, rat 5α-reductase 1; r5AR2, rat 5α-reductase 2; and DHT, dihydrotestosterone.
GI198745 is more potent and longer-lasting than finasteride, potentially better for treating hair loss.
research I‐Ascorbic acid 2‐phosphate represses the dihydrotestosterone‐induced dickkopf‐1 expression in human balding dermal papilla cells
Vitamin C derivative reduces hair loss-related protein in cells.
research Serum 1, 25-dihydroxy vitamin D- vitamin D3- among obese Egyptian women with polycystic ovary syndrome
Obese women with PCOS have lower vitamin D levels.
research Immunohistochemical localization of types 1 and 2 5α-reductase in human scalp
The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.
research Human type 3 5α-reductase is expressed in peripheral tissues at higher levels than types 1 and 2 and its activity is potently inhibited by finasteride and dutasteride
Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
research Association of Gly972Arg variant of insulin receptor subtrate-1 and Gly1057Asp variant of insulin receptor subtrate-2 with polycystic ovary syndrome in the Chinese population
The IRS-2 Asp/Asp genotype may increase the risk of PCOS in Chinese women, especially if they are not obese.
research PS6:125 Systemic lupus erythematosus diagnosis is earlier in males compared to females
Systemic lupus erythematosus is diagnosed earlier in males than females.
research Procyanidin Oligomers Counteract TGF-β1- and TGF-β2-Induced Apoptosis in Hair Epithelial Cells: An Insight into Their Mechanisms
Procyanidin compounds from apples and barley promote hair growth and prevent hair cell death.
research Nongenomic effects of 1α,25-dihydroxyvitamin D 3 on cartilage formation deduced from comparisons between Cyp27b1 and Vdr knockout mice
1α,25-dihydroxyvitamin D3 directly affects cartilage growth and development.
research Effects of 1?,25-dihydroxy-vitamin D3 and calcipotriol on organotypic cultures of outer root sheath cells: a potential model to evaluate antipsoriatic drugs
Vitamin D compounds may help treat psoriasis by promoting skin cell differentiation.
research Hereditary 1,25-dihydroxyvitamin D-resistant rickets (HVDRR): clinical heterogeneity and long-term efficacious management of eight patients from four unrelated Arab families with a loss of function VDR mutation
Patients with the same genetic mutation for vitamin D-resistant rickets showed different symptoms but all improved with treatment except for hair loss.
research Minoxidil exerts different inhibitory effects on gene expression of lysyl hydroxylase 1, 2, and 3: Implications for collagen cross-linking and treatment of fibrosis
Minoxidil affects collagen-related genes, potentially helping treat fibrosis.
research The 5alpha-reductase type 1, but not type 2, gene is expressed in anagen hairs plucked from the vertex area of the scalp of hirsute women and normal individuals
The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
![Synthesis of Spiro[cyclohexane-1,2'-[2H]indene] Derivatives as Inhibitors of Steroid 5α-Reductase](/images/research/d91300a7-4d66-4d2c-90ac-293b0dbc5ff5/small/21048.jpg)
research Synthesis of Spiro[cyclohexane-1,2?-[2H]indene] derivatives as inhibitors of steroid 5?-reductase
Compound 15a was effective in inhibiting 5α-reductase.
research Application of 2-Chloro-7-Nitrobenzo-2-Oxa-1, 3-Diazol (NBDCL) for Spectrophotometric Determination of Finasteride in Pharmaceutical Formulation
A new method using NBD-CL can accurately and precisely measure finasteride in medicine, and could be used regularly for quality control in the industry.
research Strategies for improved hair binding: Keratin fractions and the impact of cationic substructures
Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
research Platelet‐rich plasma with low dose oral minoxidil (1.25mg versus 2.5mg) along with trichoscopic pre‐ and post‐treatment evaluation
Combining platelet-rich plasma therapy with low dose oral minoxidil improved hair growth in men with hair loss, with slightly higher satisfaction at the higher minoxidil dose.
research Development of Provesicular Nanodelivery System of Curcumin as a Safe and Effective Antiviral Agent: Statistical Optimization, In Vitro Characterization, and Antiviral Effectiveness
A new delivery system makes Curcumin more effective and safer against viruses.
research Evaluation method of the degree of hair damage. (I). Measurement of tensile strength of human hair by "the multi-point tension test method".
The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.
research Efficacy and safety of very-low-dose oral minoxidil 1.25 mg in male androgenetic alopecia
Low-dose oral minoxidil improves hair growth in male hair loss.
![The Synthesis of (−)-4-Methyl-8-Chloro-Trans-1,2,3,4,4a,5,6,10b-Octahydrobenzo-[f]-Quinolin-3-One-[3-14C] (LY300502-14C) via a Circuitous Route](/images/research/73bab8dc-bdf0-45e3-8ef7-73d0d4b93cb1/small/21074.jpg)
research The synthesis of (−)-4-methyl-8-chloro-trans-1,2,3,4,4a,5,6,10b-octahydrobenzo-[f]-quinolin-3-one-[3-14C] (LY300502-14C]) via a circuitous route
Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.
research 0415 Spironolactone treatment for dermatologic conditions and blood pressure changes in hypertensive patients on concomitant antihypertensive therapy
Spironolactone can safely lower blood pressure in patients on other blood pressure medications, but may slightly increase the risk of low blood pressure.
research การศึกษาแบบสุ่มและทดสอบความไม่ด้อยกว่า ของ ยาไมนอกซิดิลชนิดรับประทานขนาด 1.25 มิลลิกรัมต่อวัน เปรียบเทียบกับ ยาทา5%ไมนอกซิดิลในการรักษาโรคผมบางจากพันธุกรรมในเพศหญิง
Oral minoxidil is as effective and safe as topical minoxidil for treating female pattern hair loss.
research Before-after study with 24-hour ambulatory blood pressure monitoring after the first dose of 5 mg oral minoxidil
A 5-mg dose of oral minoxidil slightly lowers blood pressure temporarily, especially in those with higher initial blood pressure.
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.