75 citations
,
March 2014 in “Journal of Investigative Dermatology” This study found that aging mice experience slower and more fragmented hair cycle waves, but transplanting aged skin to a young host can partially restore hair cycling, implicating extracellular factors.
66 citations
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July 2015 in “Organogenesis” This review summarizes recent findings on how Wnt signaling proteins play crucial roles in the cutaneous wound healing process but reports no new clinical results.
66 citations
,
June 2010 in “Experimental Dermatology” This paper argues that the cycling hair follicle serves as a valuable model for systems biology research, highlighting its potential for translational medicine.
55 citations
,
January 2020 in “Advances in experimental medicine and biology” This study suggests that vitamin D and its receptor may protect against the development of epidermal tumors following UV radiation by regulating specific cellular signaling pathways.
55 citations
,
November 2010 in “Development” This study observed that in frizzled 6 null mice, initially uncorrelated hair follicle orientations develop into highly ordered patterns over time, suggesting possible mechanisms for biological structure patterning.
46 citations
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March 2015 in “Regeneration” This review revisits the mechanisms of wound induced hair follicle neogenesis in mice and concludes that the process involves canonical WNT signaling activated by Fgf9 from γδ T cells, but more research is needed to fully understand its cellular bases.
19 citations
,
April 2015 in “Developmental Dynamics” This study reports that dynamic interactions between stem cells and their niche, influenced by macro-environmental factors, regulate regenerative behavior in integument pattern formation.
13 citations
,
August 2015 in “Oncology Reports” This study found that human adipose tissue-derived mesenchymal stem cells inhibited A549 tumor growth but significantly promoted HT-29 tumor growth in mouse models, highlighting opposing effects depending on the cancer type.
7 citations
,
January 2022 in “Molecules” This study found that tectoridin, an isoflavone from Rhizoma Belamcandae, may stimulate hair growth by activating Wnt signaling in human and mouse cell cultures.
February 2026 in “International Journal of Molecular Sciences” This study found that knocking down the gene SFRP1 in human hair follicles ex vivo prolonged the hair growth phase and increased keratinocyte proliferation, suggesting potential as a therapeutic target for maintaining hair growth in male pattern baldness, while DKK1 knockdown showed no effect.
February 2026 in “International Journal of Molecular Sciences” In this study, the researchers found that cholinergic signaling via M4 muscarinic receptors influences hair growth, with enhanced elongation observed upon activation with bethanechol, highlighting its potential role in hair biology using mouse models.
This study found that recombinant human type XVII collagen (rhCOL17A1) promotes hair growth by activating the Wnt/β-catenin and SHH/GLI signaling pathways and increasing type XVII collagen expression, with significant effects observed in both cell and mouse models.
February 2025 in “Applied Sciences” This study found that extracts from heterotropic cultures of Scenedesmus deserticola JD052 enhanced hair-inductive properties in human dermal papilla cells more effectively than photoautotrophic extracts, likely through activation of AKT/β-catenin signaling, despite similar loliolide content.
February 2025 in “Healthcare” In this systematic review, the researchers observed that topical caffeine preparations appear safe and effective against hair loss, but most studies had low-quality evidence due to design flaws, indicating the need for better-designed trials before drawing definitive conclusions.
This study investigated the potential mechanisms of Curcuma aeruginosa in treating androgenetic alopecia and identified 66 bioactive compounds interacting with proteins involved in the disorder, suggesting its involvement in hormone response and specific signaling pathways.
April 2024 in “International journal of molecular sciences” This study examines the similarities and differences in the pathogenesis of autoimmune conditions alopecia areata and vitiligo, highlighting shared features like immune cell involvement and cytokine pathways, while noting differing immune responses in skin and hair.
October 2023 in “Current Issues in Molecular Biology” In this study, researchers observed that the YH complex, made from Astragalus membranaceus and Cinnamomum cassia, promoted hair regrowth and increased hair shaft thickness in mice, potentially through increased growth factors and Wnt/β-catenin signaling, suggesting its use for treating various forms of hair loss.
This review concluded that the efficacy of cosmeceutical hair serums for addressing hair loss lies in their use of bioactive peptides and plant compounds, like flavonoids and sterols, that target eight key contributing factors identified in hair loss conditions.
July 2023 in “Current Issues in Molecular Biology” This study found that escin acts as a natural agonist of the Wnt/β-catenin signaling pathway in cultured human dermal papilla cells by promoting the degradation of GSK-3β, highlighting its potential therapeutic use for conditions like androgenetic alopecia and vitiligo.
August 2015 in “MOJ proteomics & bioinformatics” This study suggests that epithelial-derived pop-up keratinocytes (ePUKs) may improve regenerative medicine applications due to their specific phenotype and increased expression of proteins involved in regulating cellular movement and wound healing.
May 2015 in “Journal of Investigative Dermatology” In this study, Wnt-3a was found to play an important role in partially maintaining and expanding epithelial skin stem cells in vitro, suggesting potential for in vitro stem cell culture without feeder cells.
October 2025 in “Gene Expression” This review explores the potential of exosomes, which contain substances that may stimulate hair follicle activity, as a new therapeutic strategy for alopecia, and discusses their possible benefits and risks based on current knowledge of microRNAs and intracellular signaling in hair follicle morphogenesis.
68 citations
,
May 2015 in “Indian Journal of Dermatology” This case series found that adding microneedling to conventional finasteride and minoxidil therapy for androgenetic alopecia improved new hair growth and patient satisfaction in poor responders.
1201 citations
,
January 2010 in “Science” This review discusses stem cells in the hair follicle, bone marrow, and intestinal epithelium and introduces a model where quiescent and cycling stem cells may coexists in "zoned" configurations.
112 citations
,
January 2004 in “The International journal of developmental biology” This study found that feather patterning is primarily self-organizing and dynamic, relying on both genetic and epigenetic controls, with implications for similar processes like fingerprints and pigmentation.
1 citations
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May 2026 in “Nature Communications” This study demonstrated that CD19-CAR T cell therapy may promote structural regeneration in the skin of systemic sclerosis patients, as evidenced by histological improvements and fibroblast population changes, suggesting its potential for tissue remodeling in fibrotic diseases.
March 2026 in “Calcified Tissue International” This review discusses the complex role of the EDA pathway in vertebrate skeletal development, emphasizing its interaction with other morphogenic pathways to influence skeletal diversity, but reports no new experimental results.
October 2025 in “Journal of Translational Medicine” This literature review discusses the challenges and potential strategies for creating fully functional hair follicles capable of active cycling, emphasizing the molecular mechanisms, signaling pathways, and innovative regenerative techniques, such as hair micropatterning and three-dimensional printing, crucial for optimizing hair follicle regeneration.
This study revealed that during avian skin development, complex tissue architecture results from specific cellular flows and mechanical processes that guide feather bud protrusion and elongation, with distinct differences noted in scale development, where rigidity restricts such transformations.
June 2023 in “Journal of Pharmaceutical and Health Research” In this study with guinea pigs, a hair tonic containing 0.001% caffeine significantly stimulated hair growth, showing higher effectiveness with an average hair length of 18.294 mm compared to a tonic with 0.005% caffeine concentration, which resulted in an average hair length of 16.610 mm.