research Inhibition of rat α-reductases by finasteride: Evidence for isozyme differences in the mechanism of inhibition
Finasteride effectively blocks rat enzymes, but with varying methods and strength.
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research Oxidative Activity of the Type 2 Isozyme of 17β-Hydroxysteroid Dehydrogenase (17β-HSD) Predominates in Human Sebaceous Glands
The enzyme 17β-HSD type 2 mainly performs oxidation in human sebaceous glands, which may help protect against acne.
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 Gender Differences in Production and Circulating Levels of Sex Hormones and Their Impact on Aging Skin
Men and women experience skin aging differently due to changes in sex hormone levels with age.
research Differences in reproductive toxicology between alopecia drugs: an analysis on adverse events among female and male cases
Finasteride has a higher risk of reproductive side effects than minoxidil.
research The 5 Alpha-Reductase Isozyme Family: A Review of Basic Biology and Their Role in Human Diseases
The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
research 5α‐Reductase Isozymes and Androgen Actions in the Prostate
5α‐reductase isozymes are crucial for prostate development and health, and targeting them can help prevent and treat prostate issues.
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 Rat steroid 5α-reductase kinetic characteristics: Extreme pH-dependency of the type II isozyme in prostate and epididymis homogenates
The activity of a specific rat enzyme in the prostate and epididymis is highly dependent on the acidity level.
research Metabolism of finasteride in rat hepatic microsomes: Age and sex differences and effects of P450 inducers
Finasteride metabolism varies by age, sex, and P450 inducers, with males processing it faster.
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 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 Global Landscapes of Human Phenotypic Variation in Inherited Traits
Different human traits like skin color and hair type vary between populations due to genetic adaptations to the environment.
research Intraethnic variation in steroid-5-alpha-reductase polymorphisms in prostate cancer patients: a potential factor implicated in 5-alpha-reductase inhibitor treatment
Genetic differences within ethnic groups may affect prostate cancer treatment effectiveness.
research Comprehensive transcriptome profiling between balding and non-balding scalp of female pattern hair loss in Asian
SFRP2 and PTGDS may be key factors in female hair loss.
research The Role of Cytochrome P-450 in Dermatology
Cytochrome P-450 enzymes in the skin help break down various substances and could be targeted to treat skin conditions.
research Molecular mechanisms underlying cashmere quality differences between Jiangnan cashmere goats and Changthangi pashmina goats
Cashmere quality differences are due to gene expression variations affecting hair development and adaptation to cold.
research LY191704: a selective, nonsteroidal inhibitor of human steroid 5 alpha-reductase type 1.
LY191704 is a compound that effectively blocks a specific enzyme involved in hormone conversion and could help treat enlarged prostate and hair loss.
research 5α-Reduced glucocorticoids: a story of natural selection
Natural 5α-reduced glucocorticoids might be anti-inflammatory with fewer side effects than current options.
research Expression of Cyclooxygenase Isozymes During Morphogenesis and Cycling of Pelage Hair Follicles in Mouse Skin: Precocious Onset of the First Catagen Phase and Alopecia upon Cyclooxygenase-2 Overexpression
Overexpression of COX-2 causes early hair loss in mice, but can be prevented with a COX-2 inhibitor.
research Differential expression of steroid 5α-reductase isozymes and association with disease severity and angiogenic genes predict their biological role in prostate cancer
SRD5A1 is crucial in advanced prostate cancer, and blocking both SRD5A1 and SRD5A2 is more effective than targeting SRD5A2 alone.
research Recent Advances in Drug Design and Drug Discovery for Androgen- Dependent Diseases
New treatments for prostate cancer and BPH show promise, including novel compounds that target hormone synthesis and response.
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 Prooxidant and antioxidant action of 4-(4-phenoxybenzoyl)benzoic acid derivatives
4-(4-Phenoxybenzoyl)benzoic acid derivatives can both increase and decrease certain types of reactive oxygen species, and may be relevant to hair loss.
research Immunolocalization of 5α-Reductase Isozymes in Acne Lesions and Normal Skin
The study found that the enzyme linked to acne is present in the same areas of both acne-affected and normal skin.
research mRNA Levels of Aromatase, 5α-Reductase Isozymes, and Prostate Cancer-Related Genes in Plucked Hair from Young Men with Androgenic Alopecia
Men with early balding showed higher levels of certain genes linked to hair loss and possibly prostate cancer.
research Early androgen activity after birth determines the hypothalamic expression of androgen and estrogen receptors in adulthood in female but not in male rats
Early androgen exposure affects hormone receptor expression in adult female rats' brains, but not in males.
research Altered Hormone and Bioactive Lipid Plasma Profile in Rodent Models of Polycystic Ovarian Syndrome Revealed by Targeted Mass Spectrometry
Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.
research Divergent neuroactive steroid responses to stress and ethanol in rat and mouse strains: relevance for human studies
Stress and alcohol affect brain chemicals differently in rats, mice, and humans, influenced by genetic differences.
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.