June 2026 in “Journal of Biological Engineering” At the 21st Royan International Stem Cell Congress, researchers highlighted the growing integration in regenerative medicine, emphasizing advances in pluripotency, AI applications, and bioengineering for the development of accessible stem cell therapies.
June 2026 in “Frontiers in Cell and Developmental Biology” In this review, researchers examined how needle gauge and length impact the viability of human stem cells during injections, emphasizing the balance between minimizing tissue trauma and preserving cell viability to optimize clinical protocols.
November 2025 in “International Journal of Zoology and Applied Biosciences” In this review, recent innovations in hair transplantation, such as AI-assisted graft selection, robotic systems, stem cell therapy, and advanced drug delivery techniques, are reported to enhance hair density and thickness for more natural results and higher patient satisfaction by addressing limitations of traditional methods.
December 2024 in “Research Square (Research Square)” In this phase I/II clinical trial, placenta-derived mesenchymal stem cell exosome therapy significantly improved hair density and diameter, and reduced hair loss in patients with androgenetic alopecia, though further large-scale studies are needed to confirm these results and investigate the underlying molecular mechanisms.
In this review study, researchers examined existing literature on regenerative medicine and stem cells for androgenetic alopecia and highlighted potential new therapeutic techniques for hair regrowth, emphasizing stem cells' impact on prognosis.
This randomized control trial reported that mesenchymal stem cell-derived exosomes significantly increased hair density and thickness in patients with androgenic alopecia, with a mean increase of 35 hairs/cm² over 12 weeks compared to the placebo group, which showed minimal hair density changes.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This research examined the transcriptional landscape of quiescent melanocyte stem cells (qMcSCs) in adult female mice, revealing significant heterogeneity within this cell population and identifying novel subpopulations that vary in immune privilege regulation, melanocyte differentiation potential, and neural crest potential.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study constructed a comprehensive atlas of prenatal human skin, revealing that innate immune cells, such as macrophages, play a crucial role in skin morphogenesis by interacting with non-immune cells, influencing hair follicle formation and angiogenesis beyond their traditional immune functions.
January 2023 in “Discovery immunology” T cells and bacteria in the gut and skin help maintain health and protect against disease.
April 2022 in “Research Square (Research Square)” This study established the R-7 dermal papilla cell line, which retained essential characteristics of primary cells without undergoing malignant transformation, suggesting its potential for future hair research.
January 2014 in “Journal of Investigative Dermatology” Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.
168 citations
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August 2009 in “EMBO molecular medicine” This review discusses epidermal stem cell diversity, revealing previously unrecognized differences in stem cell populations, but reports no new experimental results; it highlights the need for further exploration of stem cell interactions and quiescence.
144 citations
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September 2012 in “Genes & development” This study found that aging in the epidermis disrupts cytokine balance and stem cell function, which may contribute to broader tumor-suppressive mechanisms.
15 citations
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May 2023 in “npj Regenerative Medicine” This study found that mammary resident macrophages play a key role in mammary tissue development by influencing cell division and maintaining mammary stem cell activity through the TNF-α-Cdk1/Cyclin B1 signaling pathway, highlighting their importance in the mammary stem cell niche.
15 citations
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May 2019 in “PLOS ONE” This study found that conditioned media from dental pulp stem cells stimulated significantly faster hair growth in mice, suggesting potential as a treatment for alopecia.
14 citations
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March 2020 in “Cold Spring Harbor Perspectives in Biology” This review discusses the flexibility and diversity of tissue stem cell systems, particularly focusing on the motility and ligand distribution of spermatogenic stem cells, without presenting new experimental results.
10 citations
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November 2019 in “Cold Spring Harbor Perspectives in Biology” This review discusses how recent advances in live imaging have revealed the dynamic and adaptable nature of stem cells during various biological processes, and reports no clinical results.
2 citations
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January 2013 in “Journal of the Korean Association of Oral and Maxillofacial Surgeons” This review discusses the potential of dental tissues as an alternative source of adult stem cells for regenerative medicine but reports no new experimental results, emphasizing the need for effective preservation methods.
September 2022 in “Research Square (Research Square)” This study found that mammary resident macrophages regulate mammary epithelium cell division and development, with implications for maintaining mammary stem cell activity and homeostasis.
55 citations
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March 2015 in “Carcinogenesis” This study found that WNT10A is significantly upregulated in human esophageal squamous cell carcinoma and is associated with enhanced tumor cell migration, invasion, and poor survival.
48 citations
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January 2024 in “Immune Network” This review highlights recent insights into how IL-15 influences T cell responses and contributes to immunopathogenesis in various diseases, suggesting its crucial role in TCR-independent activation and potential in optimizing therapeutic strategies.
3 citations
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November 2013 in “Journal of Stem Cells and Regenerative Medicine” This article suggests that imaging abnormalities in intestinal stem cell compartments could potentially be incorporated into colorectal cancer screening, but provides no new clinical results.
305 citations
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June 2012 in “Nature” This study reports that hair regeneration in live mice involves spatially regulated stem cell divisions and requires mesenchymal interactions, observed in real-time using a novel non-invasive imaging method.
211 citations
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April 2013 in “Development” In this study, researchers found that the number of dermal papilla cells in hair follicles determines hair size and shape in mice, suggesting potential avenues for addressing hair loss.
179 citations
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July 2016 in “Nature Reviews Molecular Cell Biology” This review examines how epigenetic dysregulation affects adult stem cell function, noting that impacts range from minor to serious disruptions in tissue homeostasis and potential cancer development.
95 citations
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January 2012 in “British Journal of Dermatology” This study found that androgens inhibit hair follicle stem cell differentiation by disrupting the Wnt signalling pathway in dermal papilla cells, but Wnt activation can restore differentiation.
95 citations
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July 2010 in “Genes & development” In this study, the researchers reported that Notch/CSL signaling is crucial for hair follicle differentiation, with Wnt5a signaling and FoxN1 acting as mediators in mice.
93 citations
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June 2011 in “Journal of Neuroscience” This study found that the transcription factor p63 is crucial for horizontal basal cell differentiation in the olfactory epithelium, suggesting a p63-dependent mechanism activates reserve stem cells after injury.
80 citations
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April 2018 in “Trends in Molecular Medicine” This review discusses the roles of interferon-γ and PPAR-γ-mediated signalling in scarring alopecia, suggesting these pathways as potential therapeutic targets, but it reports no new empirical results.
65 citations
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April 2020 in “International Journal of Molecular Sciences” This review indicates that most studies reported positive effects of platelet-rich plasma injections for treating androgenic alopecia, with no major side effects, suggesting it may be a safe alternative to Minoxidil and Finasteride.