January 2026 in “RSC Advances” This study used a zebrafish model and advanced mass spectrometry to identify 11 metabolites of epristeride, revealing significant effects on purine metabolism and aromatic amino acid biosynthesis, which may aid in developing anti-doping detection methods.
December 2025 in “Molecules” This study found that the 15-PGDH inhibitor DPP improved endothelial function in hair-related cells exposed to DHT by reducing oxidative stress and enhancing angiogenic capacity.
5 citations
,
March 2019 in “Journal of lipid research” This study reports new fluorogenic ceramidase substrates and highlights RBM14C24:1 as an efficient substrate for neutral ceramidase, while RBM15C18:1 is the best probe for measuring ACER1 and ACER2 activities, potentially aiding high-throughput screening for ceramidase inhibitors.
1 citations
,
December 2015 in “Parkinsonism & Related Disorders” The anti-hangover product may boost enzyme activity to help prevent brain damage.
35 citations
,
February 2006 in “Textile Research Journal” This study found that xylanase and pectinase enzymes clean wool and specialty hair fibers as effectively as soap, without causing physical damage, whereas resinase was not effective.
April 2023 in “Journal of Investigative Dermatology” This study found that patients with Stevens-Johnson syndrome and toxic epidermal necrolysis exhibit lower levels and activity of DNase1, impairing NET degradation, and suggests DNase1 administration as a potential treatment.
45 citations
,
August 2010 in “Hormone Molecular Biology and Clinical Investigation” This study found that SRD5a-3 is a highly efficient enzyme for converting hormones into androgens, with dutasteride being a much more potent inhibitor of SRD5a-3 than SRD5a-2.
April 2016 in “Journal of Investigative Dermatology” This study found that the peptide derivative beta-Ala-Pro-Dab-NHbenzyl may reduce wrinkles and sebum production in human skin by inhibiting dipeptidyl peptidase 4, suggesting potential for acne and skin inflammation treatment.
2 citations
,
January 1975 in “Archives of Dermatological Research” Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.
60 citations
,
December 2013 in “PLoS ONE” The researchers found that inhibiting soluble epoxide hydrolase, either genetically or pharmacologically, delayed the onset of chemically induced seizures related to GABA antagonism in experimental models.
56 citations
,
November 2007 in “Molecular and cellular endocrinology” This study identified enzymes responsible for regulating androgen action in the human prostate, suggesting that inhibiting AKR1C2 or RL-HSD may have therapeutic potential in androgen insufficiency or benign prostatic hyperplasia, respectively.
75 citations
,
November 1965 in “Textile research journal” This study found that papain/bisulfite disintegrates human hair cuticles by dissolving the endocuticle, potentially accelerated by ethanol's removal of cell membrane material.
November 2025 in “Drug Testing and Analysis” This study investigated the metabolic pathways of epristeride, a new Type II 5α‐reductase inhibitor, using in vitro models and found that its metabolites show significant interactions with key proteins, suggesting implications for its role in doping control.
1 citations
,
November 2023 in “Research Square (Research Square)” In this study, researchers introduced a machine learning approach to discover new nanozymes through the DiZyme platform, enabling the accurate prediction of multiple catalytic activities, and providing a comprehensive database and assistant resources for users.
14 citations
,
April 2024 in “The Journal of Steroid Biochemistry and Molecular Biology” This study found that epitestosterone, a stereoisomer of testosterone, is metabolized to 5α-dihydroepitestosterone by human 5α-reductase enzymes, which enhances its androgenic activity and reduces its antagonistic effect on testosterone-driven androgen receptor signaling.
3 citations
,
January 2007 in “Journal of health science” This study found that an enzymatic method effectively identified chemical treatments like perming and dyeing by detecting higher degradation in treated hair compared to untreated hair.
May 2026 in “ACS Catalysis” In this study, researchers using QM/MM simulations identified key molecular motions and residue interactions in the enzyme SRD5A2 that significantly influence its catalytic efficiency, demonstrating that specific residues play critical roles in stabilizing transition states and reducing activation barriers.
136 citations
,
March 1996 in “Journal of the American Chemical Society” This study explains finasteride's high potency and specificity as a mechanism-based inhibitor for treating benign prostatic hyperplasia by detailing its interaction with human type 2 steroid 5α-reductase.
4 citations
,
January 2006 in “PubMed” This study found that finasteride-induced DHT deficiency altered estrogen receptor expression in the epididymis, potentially destabilizing its function.
3 citations
,
August 2021 in “Research Square (Research Square)” This study found that increased mRNA expression of the Ectodysplasin-A2-Receptor, observed across multiple species and tissues, may exacerbate inflammation during aging, suggesting potential benefits of blocking EDA2R/EDA-A2 signaling.
20 citations
,
June 2007 in “Recent Patents on Endocrine, Metabolic & Immune Drug Discovery” This review summarizes recent research and patents on 17β-HSD3, 17β-HSD5, and 3α-HSD3 inhibitors, suggesting their potential in treating androgen-dependent diseases, but reports no new clinical results.
June 2026 in “Oriental Journal Of Chemistry” This research found that a novel dehydroepiandrosterone derivative (12) significantly reduces cell viability and increases apoptosis in testosterone-stimulated normal and tumor prostate cells, unlike finasteride and dutasteride, which also showed activity under dihydrotestosterone stimulation.
42 citations
,
February 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” This study found that PNU 157706 is a highly potent inhibitor of human 5α-reductase enzymes, showing a stronger and longer-lasting antiprostatic effect in rats compared to finasteride.
4 citations
,
January 1994 in “Yakugaku zasshi” In this study, EPC-K, a compound with antioxidant and moisturizing effects, was found to decompose significantly under certain conditions, impacting its stability in quasi drug hair-growing products.
11 citations
,
June 1979 in “British Journal of Dermatology” This study found that the dehydroepiandrosterone hydroxylating enzyme system in hair follicles is similar to the liver monooxygenase system, sharing characteristics such as inhibition by carbon monoxide and dependency on NADPH.
3 citations
,
February 1983 in “Journal of Investigative Dermatology” This study found that plucking hair from rats' dorsal skin rapidly decreased ornithine decarboxylase activity, possibly due to an inhibitory substance that was activated by ammonium sulfate treatment.
42 citations
,
May 1997 in “The Journal of Biochemistry” In this study, researchers purified and cloned rat peptidylarginine deiminase type III, demonstrating its activity and specific expression in the epidermis and hair follicles.
42 citations
,
January 2002 in “Skin Pharmacology and Physiology” This study reported that reconstructed skin models can be useful for studying the effects of non-water-soluble topical products on xenobiotic metabolism, particularly in enzyme activities like EROD and GST.
April 2026 in “Industrial & Engineering Chemistry Research” This study showed that keratinase pretreatment effectively reduces the time for enzymatic unhairing in bovine hides by opening channels for faster penetration, which shortens the process by over 50% and enhances leather quality.
12 citations
,
December 2016 in “Medical Hypotheses” This research suggests that the enzyme Phospholipase D from E. coli is a strong candidate as the underlying cause of benign prostatic hyperplasia, potentially mediated by its conversion to lysophosphatidic acid in the prostate.