research Activity of Steroid 4 and Derivatives 4a–4f as Inhibitors of the Enzyme 5α-Reductase Type 1
Compounds 4, 4b, and 4c effectively inhibit an enzyme linked to testosterone conversion without significant toxicity.
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research Activity of Type 1 5α-Reductase Is Greater in the Follicular Infrainfundibulum Compared with the Epidermis
The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
research Synthesis of Phenanthridin-3-One Derivatives: Non-Steroidal Inhibitors of Steroid 5-Alpha-Reductase
New chemicals were made that can block an enzyme linked to hair loss, prostate growth, and acne.
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 Changes in Serum Free Testosterone, Sleep Patterns, and 5-Alpha-Reductase Type I Activity Influence Sebum Excretion in Female Subjects
Sleep, testosterone levels, and a specific enzyme activity affect skin oil production in women.
research Exercise Activates the PI3K-AKT Signal Pathway by Decreasing the Expression of 5α-Reductase Type 1 in PCOS Rats
Exercise improves insulin sensitivity and hormone regulation in PCOS rats.
research Design, Synthesis, and Biological Evaluation of Novel Androst-3,5-Diene-3-Carboxylic Acid Derivatives as Inhibitors of 5α-Reductase Type 1 and 2
New chemical compounds were made that effectively block an enzyme linked to prostate growth.
research Effects of Finasteride, a Type 2 5-Alpha Reductase Inhibitor, on Fetal Development in the Rhesus Monkey (Macaca Mulatta)
Finasteride, when given in high oral doses to pregnant monkeys, caused genital abnormalities in male fetuses, but not in female fetuses or those exposed to intravenous finasteride.
![Effect of C-Ring Modifications in Benzo[c]quinolizin-3-ones, New Selective Inhibitors of Human 5α-Reductase 1](/images/research/c687900f-ea40-4de1-8f0b-a5b818951b1c/small/15452.jpg)
research Effect of C-Ring Modifications in Benzo[c]quinolizin-3-ones, New Selective Inhibitors of Human 5α-Reductase 1
Changing the C-ring structure in certain compounds can make them better at blocking a specific human enzyme.
research Development of a Liquid Chromatography/Mass Spectrometry-Based Inhibition Assay for Screening Steroid 5-Alpha Reductase in Human and Fish Cell Lines
A new method was created to test the effectiveness of Dihydrotestosterone (DHT) inhibitors, like finasteride and dutasteride, in human and fish cells. The results showed fish cells are more sensitive to these treatments, and dutasteride works better than finasteride in all tested cells.
research Synthesis and Biological Evaluation of Novel Unsaturated Carboxysteroids as Human 5α-Reductase Inhibitors: A Legitimate Approach
New steroid compounds effectively inhibit 5α-reductase and may treat hair loss.
research 5-Alpha Reductase Inhibitors in Androgenetic Alopecia: Shifting Paradigms, Current Concepts, Comparative Efficacy, and Safety
Dutasteride works better than finasteride for hair loss, with both being safe to use.
research Effect of Ficus Carica Leaf Extract on the Gene Expression of Selected Factors in HaCaT Cells
Ficus carica leaf extract may help treat skin disorders by reducing inflammation and androgen effects in skin cells.
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.
![Synthesis and 5α-Reductase Inhibitory Activity of 8-Substituted Benzo[ƒ]Quinolinones Derived from Palladium Mediated Coupling Reactions](/images/research/2aedba8c-b0ac-4fa3-9ac7-9f375a016bba/small/15581.jpg)
research Synthesis and 5α-Reductase Inhibitory Activity of 8-Substituted Benzo[ƒ]Quinolinones Derived from Palladium Mediated Coupling Reactions
Some newly made compounds can block an enzyme linked to hair loss and prostate growth, with one in particular being very selective.
research Ageratum Conyzoides L. Extract Inhibits 5α-Reductase Gene Expression and Prostaglandin D2 Release in Human Hair Dermal Papilla Cells and Improves Symptoms of Hair Loss in Healthy Males and Females in an Open Label Pilot Study
Ageratum conyzoides L. extract may effectively and safely treat hair loss.
research 5α-Reductase Inhibitors Alter Steroid Metabolism and May Contribute to Insulin Resistance, Diabetes, Metabolic Syndrome, and Vascular Disease: A Medical Hypothesis
Some hair loss and prostate drugs might increase the risk of diabetes and heart disease.
research Modulating Testosterone Pathway: A New Strategy to Tackle Male Skin Aging?
Honokiol might help reduce male skin aging by maintaining testosterone levels.
research Herbal Extracts Induce Dermal Papilla Cell Proliferation of Human Hair Follicles
Herbal extracts may help hair grow and could be an alternative to synthetic hair loss treatments.
research Expression of Type 1 5α-Reductase and Metabolism of Testosterone in Reconstructed Human Epidermis: A New Model for Screening Skin-Targeted Androgen Modulators
The study created a new method to test drugs that affect hormone processing in skin.
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 Avicequinone C Isolated from Avicennia Marina Exhibits 5α-Reductase Type 1 Inhibitory Activity Using an Androgenic Alopecia Relevant Cell-Based Assay System
Avicequinone C, a compound found in the Avicennia marina plant, can reduce hair loss by inhibiting a hormone linked to androgenic alopecia.
research Clinical Relevance of Testosterone and Dihydrotestosterone Metabolism in Women
Testosterone and dihydrotestosterone play a role in women's health issues like excess hair and baldness, and treatments blocking these hormones may help.
research A Review of the FAERS Data on 5-Alpha Reductase Inhibitors: Implications for Postfinasteride Syndrome
The review suggests younger men taking 1 mg finasteride report more side effects, including sexual, skin, metabolic, and psychological issues.
research 5-Alpha Reductase Inhibitors and Risk of Male Breast Cancer: A Systematic Review and Meta-Analysis
Taking 5-alpha reductase inhibitors does not increase the risk of breast cancer in men.
research A Population-Based Nested Case-Control Study: The Use of 5-Alpha-Reductase Inhibitors and the Increased Risk of Osteoporosis Diagnosis in Patients with Benign Prostate Hyperplasia
Taking finasteride for benign prostate hyperplasia may increase the risk of osteoporosis, especially at higher doses.
research Inhibitors of 5α-Reductase Type I in LNCaP Cells from the Roots of Angelica Koreana
Compounds from Angelica koreana roots, especially osthenol, could be effective for treating conditions like prostate disease and hair loss.
research Analysis of Data From Breast Diseases Treated With 5-Alpha Reductase Inhibitors for Benign Prostatic Hyperplasia
Medicines for enlarged prostate may raise the risk of breast growth and tenderness but not breast cancer.
research Incomplete Recovery of Erectile Function in Rats After Discontinuation of Dual 5-Alpha Reductase Inhibitor Therapy
Rats had lasting erectile problems after stopping a certain medication.
research Safety and Tolerability of the Dual 5-Alpha Reductase Inhibitor Dutasteride in the Treatment of Androgenetic Alopecia
Dutasteride is safe and effective for treating hair loss, but may decrease libido.