13 citations,
June 2017 in “Biochimie open” All five human steroid 5α-reductase enzymes are found in the endoplasmic reticulum.
8 citations,
January 1991 in “European Urology” Finasteride lowers DHT levels and raises testosterone in a dose-dependent way.
2 citations,
March 2012 in “Nature Reviews Endocrinology” The body's change of testosterone into DHT is not necessary for testosterone's muscle and sexual effects.
14 citations,
September 2015 in “Expert Opinion on Therapeutic Targets” The conclusion is that while oral contraceptive pills are effective for PCOS-related high androgen levels, new treatments with fewer side effects are needed.
17 citations,
February 2019 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” AKR1D1 controls glucocorticoid levels and receptor activity in liver cells.
May 2004 in “Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease” Vitamin E affects liver metabolism, enhancing stress resistance, reducing blood clotting, and altering hormone processing.
45 citations,
May 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Too much AKR1C3 enzyme causes resistance to finasteride by increasing testosterone.
21 citations,
May 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” Progesterone byproduct 5αP stimulates mammary tumor growth, but finasteride can suppress it.
124 citations,
September 1992 in “Endocrinology” The human type II 5α-reductase gene, linked to certain male health conditions, has a specific structure and low similarity to other related genes.
76 citations,
September 1992 in “Endocrinology” The human type II 5α-reductase gene has a specific structure important for understanding certain medical conditions.
45 citations,
August 2010 in “Hormone Molecular Biology and Clinical Investigation” Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
45 citations,
February 2005 in “Steroids” Four new compounds were more effective than finasteride in treating prostate issues and hair loss, with one being 100 times more active and safe for use.
37 citations,
January 2009 in “Sexual Development” Fadrozole and Finasteride change frog sex ratios and cause intersex animals with altered gene expressions.
18 citations,
March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
17 citations,
August 2011 in “Current Medicinal Chemistry” New treatments for enlarged prostate are being developed, some of which may be more effective than current medications.
11 citations,
January 2017 in “Journal of Endocrinology/Journal of endocrinology” Female mice with disrupted 5α-reductase 1 had significant metabolic issues, including stress response problems, insulin resistance, liver fat buildup, and obesity.
101 citations,
April 1994 in “Baillière's clinical endocrinology and metabolism” 5α-reductase is essential for male sexual development and its inhibitors have potential in treating various conditions related to hormone action.
100 citations,
September 1999 in “British Journal of Dermatology” The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.
27 citations,
October 2001 in “Journal of Medicinal Chemistry” Researchers found new potential but less potent rat enzyme inhibitors using a 3D model.
13 citations,
August 1997 in “Steroids” Finasteride effectively lowers specific hormone levels, helping monitor treatment progress.
4 citations,
July 2015 in “Veterinary Dermatology” Two types of 5α-reductase are in dog skin, which might make dutasteride better than finasteride for treating dog hair loss.
3 citations,
October 2015 in “Human Psychopharmacology-clinical and Experimental” Finasteride doesn't affect sleep spindles in men.
1 citations,
August 2015 in “Current Sexual Health Reports” 5α-reductase inhibitors can cause serious and possibly lasting sexual and psychological side effects.
57 citations,
July 2016 in “The Journal of Sexual Medicine” 5α-reductase inhibitors increase the risk of sexual dysfunction, especially in men with enlarged prostate.
39 citations,
April 2018 in “Hormones” No consistent link between genotype and phenotype in 5-α-Reductase type 2 deficiency.
3 citations,
January 2001 in “Cambridge University Press eBooks” Finasteride effectively treats hair loss and enlarged prostate in men, with mild side effects.
1 citations,
May 2018 in “Clinical chemistry” The girl's unexpected pubic hair growth led to a diagnosis different from complete androgen insensitivity syndrome.
Treatments for hair loss vary, but cell-based options may be the future.
69 citations,
December 2011 in “Journal of Ethnopharmacology” Some Thai plants, especially Carthamus tinctorius, could help prevent hair loss and promote hair growth without adverse effects.
39 citations,
September 2013 in “Journal of Cosmetic Dermatology” Herbs can potentially treat hair loss by inhibiting a key enzyme and promoting hair growth, and deficiencies in zinc, biotin, and iron are linked to hair loss.