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This study explored the effects of DPP, a 15-PGDH inhibitor, on human follicle dermal papilla cells damaged by dihydrotestosterone and observed that DPP enhanced wound healing, reduced reactive oxygen species, and increased hair growth in ex vivo human hair follicle cultures.

This review summarizes advancements in forensic DNA phenotyping for appearance, ancestry, and age prediction from crime scene samples, reporting no new research findings but highlighting areas needing further research and validation.

This study characterized a new human keratin, hK6irs1, specifically found in the inner root sheath of hair follicles, which suggests its role in the structural integrity and guidance of growing hair shafts.

This review summarizes recent findings on keratins 6, 16, and 17, highlighting their role in keratinocyte behavior and nuclear functions, and discusses their potential as biomarkers for various skin pathologies, including damage, inflammation, and cancer, rather than in healthy skin.

This study found that silibinin may promote hair growth by increasing proliferation and activating the AKT and Wnt/β-catenin signaling pathways in 3D cultured human dermal papilla spheroids.

This review explores the complexity of human–robot interactions in robotic surgery, finding that complexity increases with conditional autonomy and is predicted to decrease with full autonomy, without reporting new clinical results.

This research reports that Muse cells from human skin can be differentiated into melanocytes, fibroblasts, and keratinocytes, enabling the creation of 3D reconstituted skin, potentially advancing skin reconstruction therapies.

This study found that using three-dimensional cell culture with Matrigel enhances the biological function and stemness of stem cells, leading to improved soft tissue repair and healing by activating the host microenvironment and autologous stem cells.

This study suggests that melatonin promotes hair growth-related properties in DP cells by activating the AKT/GSK3β/β-catenin signaling pathway through melatonin receptors in a 3D spheroid culture system.

This review highlights recent developments in nanovesicular carriers for enhancing molecule delivery into and across the skin, focusing on the design and evolution of phospholipid and non-phospholipid systems used in cosmetics and treating various skin conditions.

New methods using biomaterials, stem cells, and nanoparticles show promise for improving hair growth and treating hair loss.

This study found that TGF-β2 may enhance collagen expression and spheroid formation in human dermal papilla cells, which could improve their hair inductivity and maintenance.

This paper reviews the evolution of skin appendages and keratin-associated proteins among amniotes, proposing a model for their genetic divergence without new experimental results.

This study reported that a newly developed hydrogel composed of recombinant type I collagen and chitosan, incorporating a metal–polyphenol structure, demonstrated strong mechanical and healing properties, effectively promoting wound healing in a full-thickness skin defect model.

This review suggests that hyperspectral and terahertz imaging show promise in non-invasively assessing scalp changes associated with hair loss, but further validation is needed for clinical application.

In this laboratory study, researchers reported that Camellia sinensis seed flavonoids significantly reduced oxidative stress and inflammation in UV-irradiated skin cells by modulating key signaling pathways, highlighting its potential as a skincare ingredient for anti-inflammatory and anti-photoaging benefits.

This study suggests that human induced pluripotent stem cells can be used to generate dermal papilla equivalent cells, potentially aiding hair follicle regeneration and drug discovery for hair diseases.

Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.

This study suggests that intermediate-size hyaluronate fragments may enhance keratinocyte proliferation and improve skin thickness in atrophic conditions through a CD44-dependent mechanism.

This study found that K17 is crucial for the structural integrity and survival of hair-producing cells, with K17 null mice developing alopecia due to hair fragility and follicular alterations.

In this study, a subcutaneous injection of recombinant RSPO1 was found to activate hair follicle stem cells and enhance hair regeneration in mice by stimulating the Wnt/β-catenin signaling pathway, suggesting its potential as a treatment for hair loss.

Using a transgenic pig model, this study demonstrated that LGR5 is a marker of hair follicle stem cells across different species, with important similarities and differences in gene expression and developmental processes.

In this study, the researchers conducted tensile tests on individual curly human hair fibers sourced from a female donor and found distinct mechanical properties under various conditions, including different strain rates and temperatures, both dry and in saline immersion.

This review discusses the structure and function of steroid nuclear receptors, particularly focusing on androgen receptor dysregulation in prostate cancer and androgen insensitivity syndromes, without reporting new experimental results.

This study utilized magnetic resonance imaging to noninvasively visualize and differentiate skin structures in rat skin, finding a significant correlation between MRI data and histological areas.

This review discusses the structure and regenerative potential of hair follicles, highlighting their role in wound healing, stem cell populations, and keratin-based biomaterials, but it reports no new clinical results.

This study used a 3D live imaging system to map cell dynamics in human hair follicles, revealing patterns of cell movement and division that help explain hair fiber extrusion during hair growth.

This study found that the structural and chemical composition of human curly hair may resemble that of sheep wool, implying a shared characteristic among mammals with wavy hair.

This study identified non-structural proteins in preschool children's scalp hair that suggest potential biomarkers for brain development, immune function, and stress response with heritability and age-related differences.

This study found that using 3D dermal papilla spheroid models enhances extracellular matrix production and hair follicle marker expression, providing insights into hair follicle biology and potential for drug screening.