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This study developed a rapid and efficient in vitro method using high-performance liquid chromatography to screen for steroid 5 alpha-reductase inhibitors, determining inhibition constants for Finasteride and Epristeride.

The researchers reported that both finasteride and PM-9 competitively inhibit the 5 alpha-reductase enzyme in P. crustosum broth.

This study found that LY320236 is a competitive inhibitor of type I and a non-competitive inhibitor of type II steroid 5alpha-reductase, indicating its potential as a dual inhibitor with differing modes of activity.

Method accurately measures finasteride in tablets using finasteride-BSA interaction.

This study provides evidence that human skin contains genes and enzymes necessary for producing serotonin and melatonin.

This study found significant species differences in the enzyme activity and inhibitor affinities of prostatic 5α-reductases from rats, dogs, and humans, with variable potencies for different 3-oxo-4-azasteroid inhibitors across species.

This review examines the evolving field of nanozymes, highlighting their unique properties and biocatalytic capabilities that challenge traditional concepts of biocatalysis, with implications for sustainable applications and potential roles in physiological processes and disease pathogenesis.

This study found that finasteride competitively inhibits the enzyme AKR1D1 with low micromolar affinity but does not act as a mechanism-based inactivator.

This study found that 4-MA is a potent inhibitor of testosterone 5α-reductase in human tissues, promising potential for treating androgen-dependent skin conditions like male pattern baldness.

This study found that both finasteride and dutasteride act as slow, time-dependent inhibitors of steroid 5α-reductase type II, with dutasteride being more efficient, influenced by the enzyme's genetic variants.

Saw palmetto extract can block the enzyme that converts testosterone in pig prostate cells.

In this study, gold nanoparticles-embedded ceria nanoparticles with enhanced antioxidant activities effectively reduced inflammation and colon injury in a colitis mouse model, suggesting their potential as a nano-therapeutic for inflammatory bowel disease.

This study found that mouse skin can produce and metabolize serotonin and N-acetylserotonin, with activity influenced by location, physiological skin status, cell type, and mouse strain.

This study identified LY191704 as a specific noncompetitive inhibitor of human 5 alpha-reductase type 1, which may be useful in treating endocrine disorders related to DHT overproduction.

People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.

This study showed that Thujae occidentalis semen extract inhibited 5alpha-reductase type 2 in laboratory tests and reduced androgen-related hair loss in animal models, suggesting potential use for male pattern baldness.

This review discusses pyrene excimer nucleic acid probes for detecting biomolecules and protein-DNA interactions and reports no new experimental findings.

This study found that valproic acid may interfere with the leucine metabolic pathway by inhibiting 3-methylcrotonyl-CoA carboxylase and biotinidase, which could contribute to side effects like skin rash and hair loss in patients.

This study evaluated curcumin analogues as potential inhibitors of 17β-HSD3 in rat and human models, but it does not report new clinical findings.

This study identified a thiazolidine dione derivative as a potential inhibitor of 15-PGDH that may enhance prostaglandin activity in hair follicles, suggesting its use to support hair regrowth treatments.

In this study, a new Finasteride conjugate showed stronger inhibition of 5α-reductase and similar reduction of prostate hyperplasia in rats compared to Finasteride, with potentially improved toxicity.

This study examined the structural and biochemical mechanisms of human lipocalin prostaglandin D synthase, detailing substrate and product binding processes at the catalytic site and suggesting potential for drug delivery targeting hydrophobic molecules.

This study explored the structure and function of lipocalin prostaglandin D synthase, revealing its dual role in substrate catalysis and as a lipophilic ligand carrier, potentially informing future drug delivery design.

The side gland of Suncus murinus is a good model for studying human sebaceous glands.

This study found that both finasteride and a new steroidal compound, PM-9, competitively inhibit the 5α-reductase enzyme in Penicillium crustosum broth.

This study isolated and characterized two distinct types of caspase-like proteases from human epidermis, suggesting their involvement in keratinocyte differentiation and apoptosis processes.

This study found that mimosine dipeptide enantiomers inhibit melanogenesis and cyclooxygenase enzymes in B16F10 melanoma cells, suggesting potential for treating skin hyperpigmentation and inflammation.

This review discusses the phytochemistry and pharmacological activities of Perilla frutescens, detailing its bioactive compounds and their potential health benefits, but reports no new clinical results.

This study identified seven potential enzyme inhibitors from a Polygonum cuspidatum extract using ultrafiltration combined with high-performance liquid chromatography. These compounds showed inhibitory activity against tyrosinase, α-glucosidase, and xanthine oxidase, with most discovered in this extract for the first time.

This review examines synthetic derivatives of curcumin for treating diabetes and cancer, reporting potential pharmacokinetic improvements and enhanced biological activity, but highlights ongoing challenges with bioavailability and stability, as well as gaps in translational research.