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This study developed a carbohydrate chitosan-based biomaterial combined with a novel peptide to promote the chondrogenic differentiation of human adipose-derived stem cells, suggesting potential clinical applications for cartilage regeneration.

This review synthesizes existing research on the multilayered defense system of the skin, highlighting how physical, chemical, immune, and microbial barriers work together to maintain skin health, with disruptions in one often leading to broader barrier dysfunctions.

This study found that chemically treated hair, particularly when subjected to both acid straightening and bleaching, experiences more significant structural damage when exposed to heat, highlighting key changes in both the internal and surface components of hair fibers.

This study observed that both polynucleotides (PN HPT™) and platelet-rich plasma (PRP) improved hair density and quality in men with androgenetic alopecia, with comparable outcomes and no significant adverse events.

This review discusses the experimental targets of fetal wound healing and evaluates existing therapies for scarless healing in adult skin, but reports no new research findings.

HDAC1 is crucial for skin development and preventing tumors.

In this study, researchers used 3D bioprinting to successfully create engineered skin tissues with hair follicle-like structures, potentially enhancing skin grafts and safety testing for chemical compounds by more closely mimicking natural skin complexity.

This study found that UC.145 influences DKK1 methylation and Wnt signaling in gastric cancer, with implications for patient survival and its potential as a predictive biomarker.

This review highlights the regenerative abilities of *Xenopus laevis*, focusing on how tadpoles regrow complex tail structures and the cellular and molecular mechanisms behind this. It underscores *X. laevis* as a valuable model for understanding regeneration, with insights potentially advancing regenerative medicine.

This study reviews the complex keratinization process in the epidermis, detailing how various factors regulate keratinocyte differentiation and emphasizing the importance of understanding this process for the pathogenesis of skin disorders like ichthyoses and psoriasis.

In this study, researchers developed a multifunctional hydrogel for wound healing, incorporating antibacterial and antioxidant properties that demonstrated significant inflammation reduction and tissue regeneration in animal models, with high antibacterial efficacy against E. coli and S. aureus.

A specific hair protein variant increases the spread of breast cancer and is linked to worse survival rates.

This study found that hair dyed with anionic basic hair dye lost more color after shampooing compared to cationic and nonionic dyes, with alkaline shampoo increasing this effect.

In this study, researchers used a new method with platelet-rich plasma-loaded microcarriers to enhance dermal papilla cell activity and hair follicle regeneration, achieving significant hair and vessel growth in a mouse model compared to control groups.

This study observed that overexpression of TGF-alpha in transgenic mice led to thicker epidermis and stunted hair growth, particularly in regions with normally thick skin and low hair density.

This study reports the first keratin gene mutation affecting the tail domain, leading to a unique cytoskeletal abnormality and severe epidermal hyperkeratosis, highlighting the tail domain's critical role in keratin organization.

This study found that the zinc finger protein AtZP1 inhibits root hair initiation and elongation in Arabidopsis by suppressing key transcription factors involved in root hair development.

This study found that keratin 19, unlike keratin 14, forms less stable filaments with keratin 5, suggesting distinct assembly properties and potential unique roles in skin basal cells.

This study presents the first detailed 3D models of the complete K1/K10 keratin dimer and identifies structural features and interactions that may inform understanding of keratin filament assembly.

This review found limited but suggestive evidence that Calcium Hydroxylapatite may promote skin regeneration through increased collagen production, cell proliferation, and angiogenesis, although most studies had methodological limitations.

This review explores the similarities between wound healing, palatogenesis, and orofacial clefting, suggesting these processes share common pathways and genetic regulatory mechanisms, but reports no new experimental results.

Mechanical stretching can improve or hinder skin regeneration depending on duration.

This review discusses the mechanisms of skin-associated cell death and their potential role in treating inflammatory skin diseases, but presents no new clinical findings.

In this study, poly (ɛ-caprolactone)–chitosan–poly (vinyl alcohol) nanofibrous scaffolds used on canine skin wound models were found to significantly accelerate healing rates of excision and burn wounds, without inducing immunogenic reactions.

This study found that the expression of the sonic hedgehog protein is involved in wound healing texture regeneration, inhibiting skin texture after embryonic day 14 and affecting keratinocyte migration and division.

This study revealed that basement membrane dynamics are crucial to hair follicle development, influencing progenitor cell behavior and cell division patterns in developing mouse hair follicles.

In this review, researchers explored how PGC-1α might improve aged skin barrier function by influencing mitochondrial function and reducing inflammation, factors that are linked to epidermal health during aging.

This review discusses the advantages and progress of chitosan hydrogels in vascular regeneration for tissue engineering scaffolds, highlighting modifications to enhance their application and exploring future prospects.

VYC-12L effectively improves skin smoothness, reduces fine lines, and boosts hydration.

This review discusses the reuse of molecular mechanisms involved in embryonic skin development for maintaining adult epidermal homeostasis and reports no new results.