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This review summarizes the major events and regulators of the hair cycle in mammals but reports no new experimental results; it emphasizes the complex regulation of stem cell activation and differentiation during hair growth.

This review highlights recent advancements in using nanotechnology for scar prevention and treatment, emphasizing the unique properties of nanomaterials in drug delivery and the challenges that remain in maximizing their potential for effective scar interventions.

In this study, researchers found that miR-143-3p may play a novel role in cashmere growth by directly repressing the expression of Itga6 in secondary hair follicles of goats.

This review article highlighted the diverse applications of functionalized materials from bacterial cellulose, detailing advances in both in situ and ex situ methods for enhancing these materials' properties, particularly for medical applications, and proposed directions for future research.

This research highlights the potential of using bioactive silk-based nanofiber dressings to improve the healing of diabetic wounds, suggesting that further studies are needed to refine these formulations and confirm their effectiveness in larger clinical trials.

This study assesses the potential of exosomes as a therapeutic option for androgenetic alopecia, examining their mechanisms and effectiveness. The authors conducted a systematic review of existing research to explore how these extracellular vesicles might stimulate hair growth and restore follicle function.

This chapter reviews laboratory models used for studying alopecia therapies but provides no new experimental findings.

This study demonstrated that an aloe polysaccharide-collagen wound dressing improved wound healing by enhancing angiogenesis and reducing inflammation in vivo.

This study found that a newly developed supramolecular FPC hydrogel effectively promotes wound healing through its anti-inflammatory and angiogenic properties, making it a promising material for wilderness first aid due to its storage convenience, sprayability, and ability to speed up wound recovery.

Alexander the Great's engineers built a causeway using a natural sand bridge, some tiger moths avoid bats by mimicking toxic relatives' sounds, early metabolism and RNA enzymes support the ancient RNA world theory, and vitamin D is crucial for hair growth and its absence can cause baldness.

This review discusses the therapeutic properties of polydeoxyribonucleotides derived from marine organisms for wound healing and inflammation, but it reports no new clinical results.

New pharmaceutical biomaterials, especially nanomaterials, show promise for improving cancer treatment and disease diagnosis.

This source reviews current understanding of fibroblast lineage differentiation and its role in wound healing, highlighting the potential to reprogram adult cells for scar-free repair by emulating fetal-like regenerative states.

This study found that silk fibroin/sodium alginate scaffolds seeded with dermal papilla cells may accelerate skin repair and hair follicle regeneration in a rat model.

This study found that platelet-rich fibrin provides more sustained therapeutic effects than platelet-rich plasma in inhibiting apoptosis and enhancing proliferation and migration of human endometrial stromal cells.

EGFR signaling is essential for ear cell regeneration in both birds and mammals.

This review describes recent advances in regenerating functional 3D organs from stem cells, particularly ectodermal organs, but reports no new clinical findings and highlights future research directions for organ replacement therapy.

This review discusses mammalian models of epimorphic regeneration to define a vertebrate regeneration blastema, concluding that regenerative failure likely stems from cellular responses to the microenvironment after injury, not progenitor cell availability, and calls for targeted modification studies in mammals to advance human regeneration.

This review explores the role of lymphatic vessels in skin regeneration and hair follicle growth, emphasizing their interactions with hair follicle stem cells and potential implications for regenerative therapies, but reports no new clinical results.

This study found that using the OptoTrkA system to control TrkA activity with blue light enhanced proliferation, migration, and differentiation of hair-follicle-derived stem cells into neuronal and glial cells.

This study found that Satura Rosta Balm exerts a cytotoxic effect under oxidative stress and may trigger regeneration through autophagic pathways, despite not promoting proliferation or stress resistance in human cells.

This review discusses the complex role of the immune system in tissue repair and regeneration, highlighting its positive and negative influences but reports no new clinical findings.

This review synthesizes recent research on exosomes, highlighting their role as key modulators in regenerative outcomes and suggesting they may offer advantages over stem cell-based therapies in process and regulation.

This study explores the potential roles of exosomes in anti-aging applications, highlighting their ability to modulate inflammation, promote tissue regeneration, and transfer bioactive molecules to rejuvenate aging tissues and reverse cellular dysfunction.

This review discusses the potential of cell therapies using dermal papilla and dermal sheath cells for androgenetic alopecia, highlighting their ability to reverse hair follicle miniaturization but not yet achieving significant cosmetic efficacy in trials.

Different types of stem cells and their environments are key to skin repair and maintenance.

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.

This review discusses the role and plasticity of epidermal stem cells in skin maintenance, wound repair, and cancer, noting recent insights from advanced technologies but providing no new clinical results.

This review discusses the immune system's role in skin repair and regeneration, highlighting how biomaterials could potentially enhance fully functional skin regeneration through immunomodulatory mechanisms, but reports no new results.

This study found that young C57BL/6 and BALB/c mice exhibit distinct regenerative patterns during ear wound healing, with greater wound closure but less regeneration in middle-aged C57BL/6 mice.