126 citations
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April 2006 in “International Journal of Dermatology” This study found that frontal fibrosing alopecia and lichen planopilaris have similar histopathological features, but FFA exhibits more prominent apoptosis and less inflammation with spared interfollicular epidermis.
116 citations
,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” This study discovered that the circadian clock influences hair follicle regeneration, making hair grow faster in the morning and causing more radiation-induced hair loss in the morning compared to the evening.
94 citations
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August 1975 in “Journal of Cutaneous Pathology” In this study, the researchers observed that male pattern alopecia is characterized by miniature follicles, enlarged sebaceous glands, and an increased number of mast cells, without significant abnormalities in enzyme activity.
78 citations
,
May 2018 in “Plant Soil and Environment” This study found that inoculating tea plants with arbuscular mycorrhizal fungi significantly improved growth, root morphology, and leaf nutrient levels, with Claroideoglomus etunicatum showing the most substantial effects.
68 citations
,
March 2019 in “Advanced Healthcare Materials” This review assesses the benefits and limitations of various supramolecular hydrogels, including polymeric and peptide-based types, for wound healing, but reports no new clinical results.
43 citations
,
March 2009 in “Journal of Cellular and Molecular Medicine” This study suggests that TGF-β 2 plays a critical role in hair follicle morphogenesis and may enhance the effectiveness of future cell therapies for hair regrowth using expanded dermal papilla cells.
36 citations
,
March 2011 in “Nature Communications” This study found that TSC2-null fibroblast cells from TSC skin hamartomas can induce hair follicle formation and hamartomatous changes in keratinocytes, with active mTOR signaling observable in a mouse xenograft model.
18 citations
,
March 2015 in “Journal of Endocrinological Investigation” This study found that ZP4 expression was highest among PCOS patients with regular menstrual cycles, which may be linked to mature follicle presence, but no correlation with clinical indices was observed.
13 citations
,
March 2013 in “International Journal of Cosmetic Science” This study reports that the tetrapeptide AcSDKP significantly promotes skin and hair health in vitro and ex vivo, suggesting it could be used cosmetically to counteract skin aging and hair loss.
12 citations
,
September 2021 in “Stem Cell Reviews and Reports” This study suggests that StemMACS MSC Expansion Media is more suitable than PowerStem MSC1 media for expanding therapeutic adipose-derived mesenchymal stem cells, with less expression of negative markers and better chromosomal stability.
8 citations
,
June 2012 in “PloS one” This study found that the Plcd3(mNab) mutation in mice worsens the alopecia caused by Plcd1 loss, suggesting synergistic effects between Plcd1 and Plcd3 on hair follicle health.
7 citations
,
September 2024 in “Applied Microbiology and Biotechnology” In this study, researchers observed that Malassezia species show different lipid metabolism and growth patterns depending on pH, with slightly acidic conditions promoting beneficial lipid bio-conversion for skin health, while neutral pH resulted in lower growth and lipid content, potentially negatively impacting the skin.
7 citations
,
June 2021 in “Amino acids” This study found that protein arginine methylation levels in human hair may correlate with a cardiovascular biomarker in blood, suggesting hair sampling as a potential non-invasive method for cardiovascular risk assessment.
5 citations
,
October 2011 in “Small ruminant research” This study found that seasonal changes significantly affected hair follicle activity and fibre growth in Merghoz goats, with variations seen in feed intake and growth patterns across different seasons.
4 citations
,
August 2020 in “Applied Materials Today” This study suggests that human dermal fibroblasts can be converted into dermal papilla cell-like cells using microencapsulation, which may facilitate hair follicle regeneration in mice without chemical or genetic reprogramming.
1 citations
,
January 2023 in “Burns and trauma” This study found that tdDPC-EVs significantly improved wound healing by enhancing angiogenesis through the KLF4/VEGFA axis, offering advantages over traditional DPC-EVs.
June 2026 in “Applied Biological Chemistry” This study found that the M5 isolation method for human dermal papilla cells significantly improved attachment efficiency, proliferative capacity, and trichogenic potential, providing an optimized strategy for scalable manufacturing in hair regeneration therapies for conditions like alopecia.
February 2026 in “Journal of Integrative Neuroscience” In this study, transplantation of hair follicle stem cells and nerve growth factor-modified stem cells significantly reduced amyloid deposition and tau hyperphosphorylation in an Alzheimer's disease rat model, suggesting potential as a treatment option.
November 2023 in “The Bovine practitioner” In this study, a 5-year-old Angus bull experienced systemic granulomatous disease and vasculitis potentially associated with grazing on hairy vetch, but other bulls in the same pasture showed no symptoms, suggesting variability in disease manifestation from similar exposures.
October 2019 in “Skin appendage disorders” This study revisits and reproduces Felix Pinkus' concept of the vitreous membrane in hair follicles, suggesting these structures may play a role in differentiation or nutrition due to their location in metabolically dynamic regions.
April 2018 in “Journal of Investigative Dermatology” This study found that hair follicle stem cells in mice have an unexpected ability to adaptively determine their differentiation pathways, maintaining tissue architecture despite external stimuli.
April 2018 in “Journal of Investigative Dermatology” In this study, researchers found that stabilizing the protein HIF1A in hair follicles promotes glycolysis over oxidative phosphorylation, potentially reducing oxidative stress and supporting hair growth.
April 2018 in “Journal of Investigative Dermatology” This study suggests that human hair follicles may operate their own Cori cycle, synthesizing glycogen from lactate under conditions of lactic acidosis.
January 2018 in “Springer eBooks” Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.
February 2006 in “Journal of The American Academy of Dermatology” Terbinafine is more effective than itraconazole for toenail fungus, especially in older patients, and debridement improves its effectiveness.
December 2016 in “Paleontological Journal” This study developed an in vitro artificial hair germ model using dermal papilla cells and skin keratinocytes to explore early stages of hair follicle regeneration.
81 citations
,
September 2005 in “The American journal of pathology” This study found that activin affects both stromal cells and keratinocytes in skin morphogenesis and repair, with dose-dependent effects on keratinocytes demonstrated through transgenic mouse models.
76 citations
,
January 2019 in “Nanoscale” Created material boosts hair growth and kills bacteria for wound healing.
11 citations
,
September 2016 in “Journal of virological methods” In this study, rabies virus antigens were detected in the outer root sheath of the follicle-sinus complex in the muzzle skin of rabid dogs, suggesting its usefulness as an alternative diagnostic specimen.
9 citations
,
April 2016 in “Cutaneous and ocular toxicology” This study found that Alpha Lipoic Acid may help reduce cigarette smoke-induced skin damage in rats by improving collagen structure and reducing markers of oxidative stress.