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This review discusses various types of stem cells used in regenerative medicine, including adult stem cells and induced pluripotent stem cells (iPSCs), and evaluates them based on their embryonic tissue origins to explore new therapeutic approaches.

This study found that late embryonic skin injuries can regenerate multiple tissue types, but this ability is hindered postnatally due to fibroblast-driven hyperinnervation, which can be mitigated to enable regeneration.

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.

This review explores skin microbiome composition and its ecological interactions, highlighting the role of host and environmental factors in shaping the microbial community, but provides no new research findings.

The study found that growing dermal papilla cells in 3D spheroids enhances their activity with hair growth-promoting agents, such as minoxidil and TCQA, compared to traditional 2D cultures.

In this study, researchers explored the molecular and cellular traits of avian reticulate scales, finding that they lack localized stem cell niches for regeneration, unlike other scale types, leading to repair but not regeneration after wounding.

This review discusses how polymer- and lipid-based nanostructures can enhance wound healing by addressing issues like microbial contamination and inflammation, though it reports no new clinical results.

In this study, researchers used spatial transcriptomics to identify increased expression of genes linked to extracellular matrix organization and epithelial–mesenchymal transition in the progenitor cell regions of hair follicles in androgenetic alopecia patients, suggesting a possible role in progenitor cell loss and fibrogenic microenvironment development.

This review synthesizes recent molecular and preclinical advances in alopecia areata and androgenetic alopecia, highlighting how interventions targeting specific intracellular signaling pathways and utilizing stem cell technologies can support precision regrowth and structural follicle reconstruction.

This study systematically examines how smart biomaterials used with DLP technology can enhance bioprinting in tissue engineering and regenerative medicine, while also identifying current challenges and future research needs.

This review discusses emerging cancer treatment methods focusing on cellular mechanisms unique to cancer cells and concludes no new clinical results.

This narrative review discusses the promising role of photobiomodulation in dermatology, emphasizing its non-invasive nature and potential benefits, but acknowledges the need for further research to establish standard protocols.

This study observed that the vitamin D receptor is crucial for hair follicle formation and altering tumor development in the Wnt signaling pathway, suggesting therapeutic potential for vitamin D analogues in related tumors.

This study examines the role of nanotechnology in cosmetics, highlighting its benefits in improving ingredient solubility and stability, but also noting challenges such as cost, shelf life, and safety concerns, along with regulatory complexities, particularly in harmonizing global legislation.

This review discusses the benefits and drawbacks of low-level laser therapy for various non-surgical conditions based on existing literature, but reports no new clinical findings and suggests further research is needed.

This study found that Runx3 deficiency in mice affects hair type and shape, suggesting it may regulate hair formation through interactions between dermal and epidermal layers.

This review examines the life cycle, biomarkers, and functions of hair follicle stem cells, emphasizing their role in hair loss therapy and other skin and hair disorders, but reports no new clinical results.

This study demonstrates that dermal white adipose tissue regulates human hair growth and pigmentation through hepatocyte growth factor secretion, highlighting potential therapeutic targets for hair-related disorders.

This review highlights how social, environmental, and biological factors combine to increase COVID-19 risks in the African American community, emphasizing the need to understand these complex disparities; it reports no new results.

In this study, transgenic mice altered to express a Clim-inhibiting molecule under a keratin promoter showed corneal degradation and hair follicle failure, highlighting Clim proteins' role in maintaining these tissues.

This review discusses the structure and function of the testes in male reproduction and development, noting the complex hormonal regulation within the hypothalamic-pituitary-gonadal axis but reports no new clinical results.

In this study, researchers observed that RE-ORGA, a preparation from Korean herbs, may help alleviate androgenic alopecia by promoting human dermal papilla cell proliferation, reducing 5α-reductase enzyme levels, and displaying anti-inflammatory properties, suggesting potential regulation of androgen receptor sensitivity.

This review explores the crucial role of regulatory T cells in skin wound healing, emphasizing their involvement in balancing immune responses and promoting regeneration. It also discusses Tregs' operations in fibrosis, keloidosis, and scarring, suggesting a potential avenue for novel treatments.

This study found that limonin may promote hair growth by enhancing anagen signaling through autophagy activation in rat dermal papilla cells, suggesting its potential as a natural treatment for hair loss.

In this study, fish-derived collagen hydrolysate from tilapia scales improved hair growth and skin health in both cellular and mouse models, reducing oxidative stress and inflammation while enhancing hair quality and promoting beneficial gene expression.

This study suggests that CSLD1 is key to nitrogen-dependent root hair elongation and regulation of AMT1;2 expression in rice roots.

In this study, researchers developed a nanocomposite microneedle patch containing copper/zinc dual-doped silica nanoparticles, which release substances to promote hair follicle regeneration by targeting various pathophysiological aspects of androgenic alopecia, presenting an effective anti-hair loss treatment strategy.

In this comprehensive review, researchers examine the p63 gene's crucial role in skin development and pathology, highlighting its regulation of cell processes and its potential therapeutic implications for disorders like ectodermal dysplasia.

In this ex vivo and in vitro study, researchers found that capacitive resistive electrical transfer therapy increased cell proliferation and reduced cell death in hair follicles from patients with androgenic alopecia, suggesting potential benefits for alopecia treatment.

This review summarizes recent advancements in using exosomes for promoting hair growth, finding that exosomes from various cells, like dermal papilla and mesenchymal stem cells, show promise as a potential new treatment route for alopecia.