August 2023 in “Psychology, Health & Medicine” This systemic review and meta-analysis found that men with androgenetic alopecia generally experience moderate impacts on quality of life, but limited evidence of severe effects on mental health.
August 2023 in “Journal of Cosmetic Dermatology” This study observed that in a mouse model of androgenetic alopecia, treatments with LTF, 5% minoxidil, and LTF-DPC-EXO significantly promoted hair regeneration compared to the model group, potentially through modulation of the PI3K/AKT signaling pathway.
August 2023 in “Drug Design Development and Therapy” This study found that minoxidil may treat androgenetic alopecia by affecting hormonal and enzymatic pathways, identifying new targets CYP17A1 and CYP19A1 and demonstrating its inhibition of androgenic receptors.
2 citations
,
January 2023 in “Scientific Reports” This study found that HIF-1α suppression in dermal papilla cells of androgenetic alopecia patients reduces the expression of trichogenic genes, suggesting it as a potential target for hair loss treatment.
1 citations
,
January 2023 in “Journal of Clinical Medicine” This study reported that Tomorrowlabs HIF strengthening factor [HSF] hair restoration technology significantly improved hair thickness, density, shine, and elasticity, while reducing hair loss by an average of 66.8% and enhancing hair growth by up to 32.5% in subjects with androgenic alopecia over nine months.
1 citations
,
July 2022 in “Journal of Cosmetic Dermatology” This study reports that inflammatory complications, like lichen planopilaris, can occur after hair transplantation for androgenetic alopecia, despite being rare.
11 citations
,
May 2022 in “Chinese medicine” This study found that Alpinetin, applied topically in C57BL/6J mice, promoted hair regeneration by activating hair follicle stem cells through Wnt signaling, extending the anagen phase and increasing hair shaft length, with no cytotoxicity observed in keratinocytes and fibroblasts.
5 citations
,
April 2022 in “Journal of Ethnopharmacology” This review discusses the therapeutic mechanisms of Traditional Chinese Medicine in treating alopecia but reports no new clinical results; the authors emphasize the need for more guided clinical application and research on herbal combinations.
March 2022 in “Indonesian Journal of Chemistry” This review discusses the traditional uses, phytochemistry, and pharmacological activities of Curcuma aeruginosa Roxb., highlighting its potential as a source for therapeutic applications and drug development, but it reports no new clinical results.
14 citations
,
March 2022 in “Journal of Biomedical Science” In this study, Cyanidin 3-O-arabinoside was found to protect against DHT-induced dermal papilla cell senescence and mitochondrial dysfunction in androgenetic alopecia, restoring hair growth in mouse models.
6 citations
,
January 2022 in “Journal of Investigative Dermatology” This study found that androgen receptor signaling is linked to blood vessel regression in the dermal papilla of balding scalp, contributing to hair follicle miniaturization in androgenetic alopecia.
77 citations
,
March 2021 in “Nature” In this study, increased corticosterone from chronic stress prolonged hair follicle stem cell quiescence in mice, inhibiting regeneration, but restoring Gas6 expression overcame this inhibition.
8 citations
,
February 2021 in “Biomolecules & therapeutics” This study found that myristoleic acid promotes dermal papilla cell proliferation and anagen signaling through autophagy, cell cycle progression, and activation of the Wnt/β-catenin and ERK pathways.
7 citations
,
January 2021 in “Cureus” This case report describes a 27-year-old woman who experienced facial swelling due to allergic contact dermatitis from using minoxidil 5% foam.
25 citations
,
September 2020 in “Molecules” In this study, quercitrin was reported to promote hair growth and cell viability in cultured human dermal papilla cells by enhancing cellular energy metabolism and growth factor production via MAPK/CREB signaling.
86 citations
,
July 2020 in “International Journal of Molecular Sciences” This review discusses the role of Wnt/β-catenin signaling in hair follicle regeneration and highlights recent progress in developing hair loss treatments targeting this pathway, but reports no new clinical results.
30 citations
,
April 2020 in “Stem Cell Research & Therapy” This study found that the PI3K-Akt signaling pathway is essential for regenerating new hair follicles when epidermal stem cells and skin-derived precursors are combined, suggesting potential therapeutic applications for hair regeneration.
6 citations
,
January 2020 in “Skin Pharmacology and Physiology” This study demonstrated that caffeine, minoxidil, and the HIF-1α-stimulating agent deferiprone significantly enhanced dermal papilla cell proliferation in a 3D culture model, suggesting deferiprone as a potential alternative to minoxidil.
35 citations
,
November 2019 in “Scientific Reports” In this study using a mouse model and human hair follicle cells, shikimic acid was found to promote hair growth and may serve as a new therapeutic agent for alopecia.
18 citations
,
April 2019 in “Archives of Dermatological Research” This study found that bovine lactoferrin promotes hair growth in mice by enhancing dermal papilla cell proliferation through the Erk/Akt and Wnt signaling pathways.
9 citations
,
January 2019 in “American Journal of Dermatopathology” This study found that both androgenetic alopecia and alopecia areata showed significantly increased DKK-1 expression, potentially implicating it in the pathogenesis and as a treatment target for these conditions.
23 citations
,
October 2018 in “Expert Opinion on Drug Safety” This review discusses the safety concerns associated with new treatments for non-scarring alopecias, highlighting that while these therapies such as JAK inhibitors and oral minoxidil show efficacy in hair regrowth, their safety profiles vary significantly, requiring careful consideration of benefits and risks.
20 citations
,
August 2018 in “The World Journal of Men's Health” This review summarized existing research on finasteride and erectile dysfunction, finding a correlation between finasteride use for benign prostatic hyperplasia and ED, but not strongly for male androgenetic alopecia.
17 citations
,
February 2018 in “Journal of Investigative Dermatology” This study found that the PPAR-γ modulator N-acetyl-GED may enhance mitochondrial function in human hair follicles, particularly in outer root sheath keratinocytes.
22 citations
,
December 2017 in “International Journal of Molecular Sciences” This study found that millimolar concentrations of minoxidil in the skin induced VEGF production through HIF-1 stabilization by inhibiting PHD-2, implying a molecular mechanism for hair growth promotion.
8 citations
,
December 2017 in “Skin appendage disorders” This study observed that the genes WNT7A, CASP7, and TNF were overexpressed in early stages of androgenetic alopecia, suggesting involvement of the WNT pathway, apoptosis, and inflammation in the disorder's development.
15 citations
,
November 2017 in “Drug Delivery and Translational Research” This study found that co-applying Curcuma aeruginosa extract or essential oil with minoxidil significantly increased minoxidil's skin penetration in an ex vivo setting, suggesting an improved topical treatment strategy for androgenic alopecia with greater efficacy and the potential for lower minoxidil doses.
100 citations
,
September 2017 in “Molecular and Cellular Endocrinology” This review discusses the molecular mechanisms of androgens and androgen receptors in skin disorders, particularly androgenetic alopecia, and reports no new clinical results; it highlights potential areas for future treatment development.
12 citations
,
June 2017 in “Cell Cycle” This study observed that 5% minoxidil topical foam alters gene expression and signaling pathways in the scalp, providing insights into its mechanism of action in men with androgenetic alopecia.
47 citations
,
August 2016 in “Fitoterapia” This article reviews mechanisms by which herbal ingredients may stimulate or inhibit hair growth, and it reports no new clinical findings while suggesting potential for developing hair loss treatments.
36 citations
,
October 2015 in “Cell reports” In this study, researchers found that Gab1 is critical in controlling the hair cycle and the self-renewal of hair follicle stem cells in mice.
4 citations
,
March 2014 in “The FASEB Journal” This study observed that deleting ARNT in keratinocytes of mice reduced zigzag hair production and altered hair follicle differentiation, likely by affecting the expression of specific cyclin-dependent kinase inhibitors.
23 citations
,
September 2013 in “Molecular Carcinogenesis” This study found that constitutively active Stat3 in transgenic mice led to reduced keratinocyte stem cell populations in hair follicles, altering stem/progenitor cell dynamics and homeostasis.
44 citations
,
March 2012 in “Fitoterapia” In this study, germacrone from Curcuma aeruginosa showed anti-androgenic effects by inhibiting 5α-reductase, suggesting its potential as a lead compound for treating androgen-dependent disorders.
205 citations
,
March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
173 citations
,
September 2011 in “Journal of Investigative Dermatology” IL-6 contributes to hair loss by shortening the growth phase and causing hair follicles to regress.
34 citations
,
July 2011 in “Journal of Dermatological Treatment” This study found that a combination of 5% hexane extract of Curcuma aeruginosa and 5% minoxidil slowed hair loss and increased hair growth in men with androgenetic alopecia.
January 2010 in “Elsevier eBooks” Hair transplantation is a treatment for hair loss mainly caused by genetics, with various techniques and potential complications, and results visible after 8-12 months.
49 citations
,
October 2009 in “Cancer research” This study found that disrupting Stat3 in keratinocyte stem cells of mice reduced skin tumor formation by approximately 80%, suggesting Stat3's role in tumor initiation survival mechanisms.
171 citations
,
July 2007 in “Journal of Investigative Dermatology” The researchers reported that DHT-inducible DKK-1 may play a significant role in DHT-driven balding by inhibiting hair follicle cell growth and promoting apoptosis in androgenetic alopecia.
58 citations
,
January 2006 in “Skin Pharmacology and Physiology” This study found that testosterone and 5α-dihydrotestosterone induced apoptosis in dermal papilla cells from nonbalding scalp regions, suggesting a high androgen stimulus can trigger cell death related to androgenetic alopecia.
299 citations
,
March 2001 in “Journal of Investigative Dermatology” This study found that specific genetic markers near the androgen receptor gene are significantly more common in men with male pattern baldness, suggesting a genetic component in its development.
73 citations
,
November 2000 in “Proceedings of the National Academy of Sciences of the United States of America” This study demonstrated that anagen can be induced in Stat3-disrupted mice, suggesting that both Stat3-dependent and independent pathways, possibly involving PKC, mediate hair cycle progression with required PI3K activation.
227 citations
,
January 1998 in “Journal of Endocrinology” This study found that dermal papilla cells from balding scalp hair follicles have significantly higher levels of androgen receptors than those from non-balding follicles, supporting their in vivo androgen response.
416 citations
,
September 1997 in “Journal of Investigative Dermatology” People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.
154 citations
,
October 1996 in “Proceedings of the National Academy of Sciences of the United States of America” This study found that 17-beta-estradiol inhibits hair growth in mice by blocking hair follicles in the telogen phase, whereas an estrogen receptor antagonist promotes hair growth by initiating anagen.
