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This study developed 3D micropatterns with magnesium silicate nanospheres that mimic vessels and hair follicles for potential use in skin regeneration by reconstructing vasculature and promoting hair growth.

This review highlights recent advancements in the engineering of skin organoids using hydrogels, which improve their structural and functional fidelity by supporting the architecture and integration of vascular and neural components, promising to enhance regenerative medicine, drug discovery, and complex skin disorder studies.

This review suggests that self-organizing tissues like organoids could revolutionize material production by enabling sustainable and complex biological systems, such as spider silk glands, to surpass current synthetic designs, though challenges in model species expansion and production scaling remain.

This study demonstrated how cellular flows and tissue mechanics guide the topological transformations in avian skin, essential for feather follicle development from scales.

This review discusses the role of tissue mechanics and extracellular matrix in skin aging processes and highlights potential therapeutic strategies, but reports no new clinical results.

This review outlines the current state and future prospects of using layer-by-layer self-assembly for cell encapsulation in biomedical applications, such as cell-based biosensors, transplantation, and tissue engineering, while also discussing its limitations and potential advancements.

In this review, the authors highlight the crucial role of mesenchymal stem cells in dermatologic therapies, noting their potential to enhance skin structure and appearance through regenerative mechanisms like inflammation induction, angiogenesis, and recruitment of tissue-specific progenitors.

This study explored the structure and keratin composition of marsupial hairs, finding similarities in keratin localization to hairs in placental mammals, and highlighting potential roles of trichohyalin and transglutaminase during hair development and shedding.

This review discusses the use of trichoscopy for diagnosing mimickers of patterned hair loss and assessing donor sites before hair transplant surgery, and reports no new clinical results.

This study found that scaffolds made from human hair proteins supported better cell growth and interactions than control surfaces, indicating potential use in tissue engineering.

Mesotherapy shows promise for cellulite and facial rejuvenation but has mixed results for body sculpting and hair loss, with more research needed for safety and effectiveness.

This study developed a composite product from decellularized human placental connective tissue matrix and placental extract, finding that the combination showed improved biochemical and mechanical properties compared to each component alone, suggesting its potential use for treating chronic and deeper wounds.

This study used a novel fluorescent tagging method in mice to observe collagen IV dynamics during hair follicle development, revealing that alterations in basement membrane turnover can influence epithelial progenitor cell behavior and organ morphology by affecting cell proliferation and movement.

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.

This review highlights that biomaterial properties can be designed to modulate macrophage activity, potentially reducing foreign body responses and enhancing tissue healing in regenerative medicine.

The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.

This study found that the loss of Msx2 in knockout mice led to phenotypes similar to Peters anomaly and microphthalmia, suggesting that MSX2 plays a critical role in anterior segment development of the eye.

This study found that the molecular structures of α-keratin and collagen in a 2,100-year-old female cadaver's hair and tendon were preserved, while fibrous molecule aggregations were altered.

This paper reviews the current state of magneto-responsive biocomposites in wound dressings, highlighting their potential benefits in wound healing, such as remote control and enhancing tissue reconstruction, while addressing the need for more comprehensive research in this field.

In this study, researchers developed a microfluidic-assisted technology to create dual-layer microspheres containing mesenchymal and epidermal cells, which efficiently induced hair follicle regeneration in mice, suggesting potential improvements for hair regeneration treatments in conditions like androgenetic alopecia.

This study observed that bone marrow mesenchymal stem cells cultured in three-dimensionally bioprinted hydrogels with higher stiffness, like 3A8G, tend to differentiate more into hair follicle cells compared to those in less stiff hydrogels, like 1A4G.

This study used atomic force microscopy to image surface structures of human epidermal melanocytes, hair follicle amelanotic melanocytes, and mouse melanoma cells, revealing differences in branch structure and granule distribution.

This perspective reviews enzyme-instructed self-assembly (EISA) as a conceptual framework for supramolecular chemical biology, emphasizing its innovative role in developing adaptive biomaterials and synthetic cellular machines without providing new experimental results.

This study revealed key cellular dynamics and interactions during early embryonic mouse skin development, highlighting complex transitions from precursor states to diverse multilayered structures.

This study in adult mice found that somatosensory axons innervating Merkel cells in the skin are highly plastic, with significant remodeling in response to epithelial turnover, and that Merkel cells play a role in limiting axonal branching and promoting their maturation.

This study achieved regeneration of hair follicle-like structures and erector muscle of hair in vitro by simulating cellular organization and applying mechanical stimuli.

In this study, the authors reported that combining PMSC-secretome and Wnt10b in a GelMA hydrogel scaffold promoted effective hair follicle biofabrication and hair growth in a small in vivo experiment. They emphasized the need for larger studies to confirm these results.