14 citations
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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.
In this study, the SFE-4 extract from coffee pulp demonstrated potential effects for treating androgenetic alopecia by enhancing cell proliferation and gene expression related to hair growth pathways in vitro, using human hair follicle dermal papilla and prostate cancer cells.
6 citations
,
July 2023 in “Plants” This study found that Datura metel extracts obtained through supercritical CO2 extraction demonstrated significant biological activity, including antioxidant and anti-inflammatory properties, and effectively promoted wound closure and collagen preservation, comparable to standard treatments, in laboratory experiments.
1 citations
,
February 2023 in “Plants” This study reported that rice bran oil from the Thai rice variety BB4CMU showed potential in promoting melanin production and inhibiting steroid 5α-reductase, suggesting a natural option for hair revitalization.
104 citations
,
January 2023 in “Journal of Clinical Medicine” This review evaluates the hair cycle's phases and the factors influencing the transition between anagen and telogen, advocating for a holistic approach to addressing hair loss, though no specific results are reported.
3 citations
,
January 2023 in “Agronomy” This research reported that KDML105 bran extract demonstrated antioxidant activities, reduced nitric oxide production, and influenced gene expression related to the hair cycle in cultured dermal papilla cells, suggesting potential as an anti-hair loss agent by supporting the anagen phase and angiogenesis.
November 2022 in “Journal of Herbal Medicine” This study suggests that three mushroom-derived bioactive compounds, Zhankuic acid A, Sterenin M, and Melleolide K, may effectively inhibit SRD5A2 and stabilize its interaction, indicating potential for treating androgenic alopecia.
1 citations
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August 2022 in “Journal of Dermatological Treatment” In this study, the authors reported that oral dutasteride at 0.5 mg/day showed a probable greater efficacy in treating male androgenetic alopecia compared to finasteride and minoxidil, but it may cause sexual dysfunction and neuropsychiatric side effects.
9 citations
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June 2022 in “Plants” This study found that shallot extract may promote hair growth in androgenetic alopecia by reducing inflammation and modulating gene expression related to key hair growth pathways.
14 citations
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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.
7 citations
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January 2022 in “Plants” This study found that extracts from the rice variety Bue Bang 3 CMU, particularly the husk and bran, demonstrated antioxidant, anti-inflammatory, and anti-androgenic properties, suggesting potential use in treating androgenetic alopecia.
January 2022 in “Pharmaceutical Sciences Asia” This study found that a liposome containing butterfly pea flower extract and clove oil was stable and, when used by 15 volunteers over 60 days, enhanced eyebrow thickness and darkness without causing irritation.
3 citations
,
August 2021 in “Clinics in Dermatology” This review discusses various treatments for hair loss, such as topical agents, oral minoxidil, and laser therapies, but reports no new clinical results; debates on issues like post-finasteride syndrome are also covered.
14 citations
,
April 2021 in “Biology” This study found that ethanol extract of Tubtim Chumphae rice bran downregulates SRD5A gene expression, similarly to finasteride, suggesting potential use as an anti-hair loss product.
3 citations
,
February 2021 in “Evidence-based Complementary and Alternative Medicine” This study observed that oral administration of BeauTop, a Chinese herbal medicine, significantly increased hair growth indicators, including VEGF expression, hair follicles, and hair coverage in C57BL/6 mice.
76 citations
,
August 2018 in “International Journal of Cosmetic Science” This review discusses the use of Dermal Papilla cells as in vitro models for studying hair growth modulators, emphasizing their role in aiding the development of new hair treatments, but reports no new clinical results.
42 citations
,
February 2018 in “International Journal of Molecular Sciences” This study suggests that minoxidil may enhance hair growth by stimulating adipose-derived stem cell motility and growth factor secretion, promoting dermal papilla cell proliferation and accelerating anagen induction.
7 citations
,
September 2017 in “Biomedical and Pharmacology Journal” This article discusses the early development of hair follicles with a focus on the formation of epidermal thickenings called placodes, reporting no new experimental results.
65 citations
,
February 2017 in “Pflügers Archiv - European Journal of Physiology” This review examines the roles of macrophages and Langerhans cells in skin homeostasis and suggests that understanding these functions can aid in developing therapies for skin and hair regeneration, but it reports no new research findings.
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.
27 citations
,
September 2015 in “Drug Design Development and Therapy” This study suggests that type IV collagenases, MMP-2 and MMP-9, play important roles in the hair cycle by regulating the expression of VEGF, IGF-1, and TGF-β in mice.
93 citations
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February 2015 in “Journal of Investigative Dermatology” This study suggests that oxidative stress may contribute to androgenetic alopecia by inducing premature senescence and secretion of hair growth inhibitors in dermal papilla cells from balding scalp.
9 citations
,
January 2015 in “Laboratory Animal Research” This study found that oral administration of Laminaria japonica and Cistanche tubulosa extracts may improve hair regrowth in mice, comparable to the effects of 3% Minoxidil, potentially due to their anti-inflammatory properties.
260 citations
,
June 2011 in “Cell” This study found that Wnt signaling in the hair follicle is crucial for coordinating the behavior of epithelial and melanocyte stem cells, which drives hair regeneration and melanocyte differentiation in mice.
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.
215 citations
,
November 2006 in “Journal of The American Academy of Dermatology” This study found that dutasteride increased scalp hair growth in men with male pattern hair loss, particularly at a 2.5 mg dose, and was more effective than finasteride over 24 weeks.
479 citations
,
January 2005 in “BioEssays” This review introduces the morphological and molecular principles of hair follicle development but reports no new experimental results, focusing on recent insights and forming a working hypothesis.
229 citations
,
August 2002 in “Experimental Gerontology” This paper discusses key mechanisms of androgen metabolism in androgenetic alopecia and reports the effectiveness of treatments like oral finasteride and topical minoxidil, highlighting the limited success rate due to factors like follicular inflammation.
