February 2026 in “Journal of Allergy and Clinical Immunology” In this single-cell transcriptomic study, researchers analyzed AA scalp samples and found distinct immune and nonimmune cell activation patterns, with elevated TH1/TH2 and JAK/STAT markers potentially contributing to hair follicle immune privilege disruption and disease severity.
3 citations
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July 2023 in “Frontiers in Aging” This research detailed a single-cell atlas showing dynamic hair follicle stem cell states associated with the hair cycle during aging in mice, highlighting differences in chromatin landscape linked to stem cell differentiation and quiescence, and providing a foundation for future exploration of aging reversal.
2 citations
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February 2021 in “Developmental Cell” This study reports that aging in human skin involves early photo- and inflammation-related cellular changes, and suggests restoring KLF6 and HES1 expression might reverse some of these age-associated changes.
21 citations
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August 2024 in “Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology” This paper reviews the advancements and applications of single-cell transcriptomics in animal research, highlighting its potential to enhance understanding of animal nutrition, health, genetics, and disease models.
214 citations
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April 2017 in “Cell” This study found that micro-niches within hair follicles create heterogeneity among stem cells and transit-amplifying cells, leading to specialized progenitors that control tissue morphogenesis and regeneration.
19 citations
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July 2022 in “PNAS Nexus” This study identified a shared gene signature in scarring alopecia subtypes, with increased mast cell presence, suggesting similar treatment approaches may be effective across these hair loss disorders.
July 2024 in “Journal of Investigative Dermatology” Brepocitinib reduces interferon signaling in hidradenitis suppurativa patients.
25 citations
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June 2022 in “Developmental cell” In this study, Hedgehog signaling in dermal papilla fibroblasts was found to accelerate hair growth and induce follicle multiplication in mice via the SCUBE3/TGF-β pathway, with some effects observed in human scalp hair follicles.
13 citations
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August 2024 in “iScience” This study found that 3D spheroid culture reprogrammed mesenchymal stem cells into a uniform immunosuppressive phenotype, suggesting potential therapeutic applications for inflammatory diseases like psoriasis.
9 citations
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December 2023 in “BMC Genomics” This study examined noninvasive tissue samples, including buccal swabs, hair follicles, saliva, and urine cell pellets, and found hair follicles and urine cell pellets promising for transcriptomic and clinical analyses due to their sample quality and performance in disease-relevant applications.
8 citations
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November 2024 in “EMBO Molecular Medicine” In this study, researchers found that disrupting EGFR signaling in mice led to increased inflammation and hair follicle damage but that inhibiting the JAK-STAT1 pathway could restore hair growth and skin function.
4 citations
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May 2023 in “Pigment Cell & Melanoma Research” In this study, researchers found that deleting the Bmi1 gene in murine melanocytes caused premature hair greying and loss of melanocyte lineage cells, highlighting BMI1's role in protecting melanocyte stem cells from stress and oxidative damage.
June 2026 in “Nature Communications” This study found that in stretch-mediated tissue expansion, fibroblasts adopt an embryonic-like, low-collagen state that enhances epidermal stem cell renewal, supporting coordinated skin expansion crucial for reconstructive surgeries.
85 citations
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January 2018 in “Cell stem cell” This study found that synchronized signals in the microenvironment regulate stem cell lineage choices in hair follicles by influencing chromatin dynamics during regeneration.
3 citations
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July 2025 in “International Journal of Biological Sciences” This review highlights that the RNA modification N6-methyladenosine (m6A) plays a crucial role in regulating wound healing and tissue remodeling, with dysregulation contributing to complications in chronic wounds, such as diabetic ulcers and burn injuries, through mechanisms like impaired angiogenesis and increased oxidative stress.
3 citations
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October 2024 in “Frontiers in Medicine” This study investigated single-cell changes in photoaged skin, revealing distinct cell clusters and increased activity in PD-L1 and PD-1 pathways in sun-exposed areas, enhancing understanding of UVA-induced skin damage and potential prevention targets for photoaging and UV-induced skin cancers.
2 citations
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March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, researchers used an evolutionary-rate-based method to identify genetic elements associated with reduced hair in mammals, finding a dichotomy between accelerated coding sequences and noncoding regulatory elements influencing hair growth.
1 citations
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October 2025 in “Scientific Reports” This study investigated the Mandarin duck as a model for understanding lifelong developmental changes, finding that male sail feather morphogenesis involves a combination of local morphogenetic programs, epigenetic regulation, and hormonal cues, with increased female estrogen levels observed before the mating season.
56 citations
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February 2006 in “American journal of physiology. Cell physiology” This study observed that in hormone-starved prostate cancer cells, the androgen 5alpha-dihydrotestosterone rapidly induces matriptase activation and shedding, which involves androgen receptor signaling and requires both transcription and protein synthesis.
1 citations
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January 2024 in “Theranostics” This source reviews the role of exosomes in regenerative medicine, highlighting their ability to mediate cell communication and transport biomolecules to enhance or impair biological functions, with potential applications in tissue repair and regeneration.
January 2016 in “Springer eBooks” New materials and methods could improve skin healing and reduce scarring.
April 2015 in “Plastic and Reconstructive Surgery” This article discusses the role of the American Society of Plastic Surgeons in plastic and reconstructive surgery education but presents no new research findings.
5 citations
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May 2024 in “Current Issues in Molecular Biology” This review highlights advancements in applying single-cell sequencing to cattle, sheep, and goats, noting its potential to elucidate cellular diversity and improve traits affecting livestock health and productivity, despite challenges in cell population annotation and spatial resolution in these species.
July 2024 in “Journal of Investigative Dermatology” 3 citations
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June 2023 in “Modern Pathology” This study found that GLI1 RNA CISH was highly sensitive and specific for distinguishing basal cell carcinoma from nonfollicular epithelial neoplasms but not from most benign follicular tumors.
May 2026 in “Nature Communications” This study observed that the loss of H3K9me3, via the ablation of Suv39h1, Suv39h2, and Setdb1 in embryonic mouse epidermis, disrupts skin development processes such as keratinocyte differentiation and hair follicle formation, highlighting H3K9me3's crucial role in epidermal morphogenesis.
This review synthesizes current advances in transcriptomics and RNA regulatory networks, alongside stem cell-derived skin organoid research, to propose a conceptual framework for understanding and potentially guiding regenerative skin repair, without claiming clinical readiness.
This study suggests that specific genetic changes, including mutations in protein-coding genes and noncoding regions, have contributed to the evolution of hairlessness in multiple mammalian species.
August 2026 in “The FASEB Journal” This study identified two key epigenetic-related genes, HR and SMYD4, which may act as potential biomarkers in keloid disease, suggesting new therapeutic avenues for further research.
16 citations
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November 2022 in “eLife” This study found that specific genetic changes in both coding and noncoding regions may have independently driven the evolution of hairlessness in various mammalian species through accelerated evolution.