April 2023 in “Journal of Investigative Dermatology” This study found that blocking apoptosis during the catagen phase in mice disrupts hair follicle stem cell niche architecture, delaying subsequent hair regeneration cycles.
December 2021 in “Razrabotka i registraciâ lekarstvennyh sredstv” This study found that the gel form of substance Y led to more hair follicles in the growth phase than 2% minoxidil solution when applied for alopecia treatment in mice.
144 citations
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December 2004 in “Molecular Endocrinology” This study found that the effects of the vitamin D receptor on hair follicle cycling in mice are independent of its ability to bind a hormone, with specific domain mutations influencing hair regrowth outcomes.
115 citations
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” In this study, T3 and T4 were found to directly influence human hair follicles in vitro, enhancing keratinocyte proliferation, prolonging the hair growth phase, and affecting pigmentation.
71 citations
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February 2000 in “Endocrinology and metabolism/American journal of physiology: endocrinology and metabolism” This study found that topical estradiol inhibits hair growth in mice by preventing the hair follicle's transition from resting to growth phase, a process reversible with an estrogen receptor antagonist.
14 citations
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January 2006 in “Skin pharmacology and physiology” This study found that procyanidin oligomers from apples and barley may stimulate hair growth by promoting hair epithelial cell proliferation and protecting them from apoptosis via MEK activation in a murine model.
3 citations
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February 2014 in “Dong-ui saengni byeongni hakoeji” This study found that micro needle roller therapy enhanced hair follicle development and increased growth factor expression in C57BL/6 mice, suggesting potential benefits for alopecia treatment.
2 citations
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January 2023 in “Redox Report” This study found that estradiol significantly reduces cisplatin-induced cochlear hair cell death in mice, likely by activating Nrf2 and phase II detoxification enzymes.
October 2024 in “Cosmetics” In this study, subthermal RF-CRET currents were found to alter key molecular mechanisms in dermal papilla cells, promoting proliferation and survival while enhancing markers associated with hair growth and maintenance, suggesting potential benefits for hair regeneration.
April 2023 in “Journal of Investigative Dermatology” This study suggests that MPZL3, a mitochondrially localized protein, may play an integral role in regulating hair follicle cycles, with potential therapeutic implications for hair growth disorders if findings translate to humans.
October 2022 in “Research Square (Research Square)” This study found that volatile compounds from Bacillus subtilis strain WM13-24 improved root development in Arabidopsis by influencing auxin signaling.
January 2008 in “中山醫學大學醫學研究所學位論文” This study found that Danthron induced apoptosis in a human malignant melanoma cell line through mitochondrial, endoplasmic reticulum, and death receptor pathways.
March 2023 in “Natural product sciences” This study demonstrated that Celtis choseniana Nakai may help alleviate androgenic alopecia by enhancing hair regrowth and activating Wnt/β-catenin signaling in both a mouse model and cultured human cells.
42 citations
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February 2014 in “Stem Cells and Development” This study found that vitamin C increased the survival, proliferation, and hair-regenerative potential of adipose-derived stem cells through the MAPK pathway and enhanced hair growth in mice.
19 citations
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January 2019 in “Animals” This study suggests that PDGFA and BMP2 play a role in the hair follicle cycle in cashmere goats, with PDGFA particularly involved in activating the growth phase.
19 citations
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November 2017 in “General and comparative endocrinology” This study found that BMP2 and BMPR-IA inhibited, while Noggin promoted, hair follicle growth in yaks by affecting skin epithelial cell activity.
18 citations
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December 2009 in “Canadian Journal of Animal Science” This study reports that BMP2 expression in goat skin is higher during late telogen and early anagen phases, indicating a potential role in hair follicle regeneration.
14 citations
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February 2011 in “Experimental dermatology” This study identifies cartilage oligomeric matrix protein (COMP) as a key extracellular matrix component in human hair follicle cycling, potentially regulated by TGFβ signaling, and suggests its importance in normal hair follicle biology.
13 citations
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March 2020 in “Genes” This study found that FGF5-/- rabbits exhibited a significant long hair phenotype by prolonging the anagen phase, suggesting FGF5 acts as a negative regulator of hair growth.
2 citations
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September 2004 in “Experimental Dermatology” This study found that VR1 activation in human hair follicles inhibited hair growth by suppressing proliferation and promoting apoptosis, suggesting VR1 plays an important role in hair growth regulation.
March 2023 in “Asian Journal of Beauty and Cosmetology” This study found that the herbal extract HX109 promoted hair growth in mice by increasing cell viability and enhancing hair regrowth, with the effects increasing as doses rose.
November 2022 in “Research Square (Research Square)” This study identified key genes and pathways involved in the growth and development of forest musk deer hair follicles, providing insights into molecular regulation and laying groundwork for future research on related diseases.
This study identified several age-related changes in gene expression associated with the extracellular matrix of scalp dermal fibroblasts, which may impact hair follicle maintenance in women over 40.
5 citations
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January 2022 in “Health Science Reports” This study observed that GREM2 was specifically and robustly expressed in the dermal sheath cup of hair follicles during various hair cycle phases, suggesting its significant role in regulating hair cycling processes through BMP signaling.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that in immunodeficient mice lacking T cells, certain innate lymphoid cell subsets increased and influenced the hair growth cycle, with specific ILC subsets shown to promote anagen, the active phase of hair growth.
95 citations
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August 2022 in “JAMA Network Open” This study documented an increased health care burden due to post-COVID conditions in the 6 months following the acute phase of infection, providing vital evidence for resource planning.
9 citations
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January 2008 in “Acta histochemica et cytochemica” This study found that COX-2 expression in normal rat skin is linked to the hair cycle, with varying levels observed in different skin structures during anagen, catagen, and telogen phases.
5 citations
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October 2022 in “British Journal of Dermatology” This study reports that two phase III trials demonstrated the effectiveness of the oral Janus kinase inhibitor baricitinib at 2 mg or 4 mg daily for treating severe alopecia areata in adults, marking a potential advance in managing this condition.
June 2022 in “International journal of drug delivery technology” This study investigated the hair growth-promoting effect of topical nebivolol cream in mice, but the abstract does not provide specific results or conclusions.
April 2026 in “Research Square” This study found that COVID-19 infection disrupts spermatogenesis, alters testicular cell populations, and may impact male fertility by causing long-term changes in testicular function and reduced sperm quality, as observed even in patients who have recovered from the acute phase of the infection.