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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 discusses the regenerative processes of lizard tails, particularly focusing on the diversity in blastema development across different species, and reports no new findings.

This review revisits the mechanisms of wound induced hair follicle neogenesis in mice and concludes that the process involves canonical WNT signaling activated by Fgf9 from γδ T cells, but more research is needed to fully understand its cellular bases.

This essay discusses the role of the nail in mammalian digit tip regeneration and explores whether nail stem cells are solely responsible for this regenerative ability, with no new results presented.

This chapter reviews classic regeneration models in planarian worms and amphibian limbs, focusing on the role of stem cells, and reports no new experimental results.

This study found that nerve-mediated HDAC1 expression is necessary for blastema formation and limb regeneration in axolotls, and that inhibiting HDACs delays or inhibits this process.

This article reviews the role of stromal stem cells in mammalian wound repair, suggesting they may perform functions similar to blastemal cells in simpler organisms, but reports no new experimental results.

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 found that Sonic hedgehog pathway expression strongly correlates with tail regeneration in house geckos, peaking early and decreasing afterward.

In this study, researchers found that mouse digits without nails could not regenerate after amputation, highlighting the necessity of nails for fingertip regeneration and suggesting a potential role for the Lmx1b gene in this process.

Early skin biopsy helps diagnose and manage severe skin conditions in babies.

This study found similarities in the regeneration processes of MRL mouse ears and axolotl limbs, involving G2 cell cycle arrest and nerve-dependent mitosis, but the role of p21 in axolotl limb regeneration remains uncertain.

This study reports the first instance of skin autotomy in mammals, specifically in African spiny mice, and suggests they may possess a greater regenerative capacity than previously understood, possibly offering insights for regenerative medicine.

This review explores recent advances in understanding molecular mechanisms of tissue regeneration in mammals and suggests potential therapeutic targets, but it reports no new clinical results.

This review examines the role of nerves in regeneration across various species and discusses their importance as components in the progenitor cell niche, reporting no new clinical results.

This article explores how extrafollicular environments and stem cell configurations influence hair and feather regeneration but provides no new experimental results.

This study found that MRL/MpJ mouse dorsal skin wounds heal with similar scar formation and collagen deposition as C57bl/6 and Balb/c mice.

This review discusses lung regeneration and highlights the role of facultative stem/progenitor cells, but it reports no new findings and calls for further exploration of underlying mechanisms.

This study found that applying BMP2 stimulated limited regeneration of the amputated P2 bone in mice, but only when applied during a specific "regeneration window" after injury.

This review discusses the role of the immune niche in hair follicle regeneration and its impact on different forms of alopecia, highlighting research gaps and potential therapeutic strategies.

This study reports that in MRL mice, loss of p53 does not impair ear regeneration, suggesting p21's potential role in this process may involve the Tgfb/Smad pathway.

This chapter discusses the concepts of regeneration and homeostasis, noting that in vertebrates, regeneration is limited to certain tissues like liver, blood, and bone.

This paper details the early stages of human scar regeneration using topical iodine and examines hair's role in the regeneration process, noting hair's ability to move freely and transport regenerative material.

This review discusses the similarities between wound healing and embryonic development, focusing on signaling pathways and their potential for developing new wound healing strategies, and reports no new clinical results.

Long-standing benign tumors can become cancerous, especially in people with weakened immune systems.

This study found that polyamines enhance genome integrity by facilitating homologous recombination-mediated DNA repair, suggesting a novel role for polyamines beyond promoting cell growth and proliferation.

This case report describes a 68-year-old woman with metastatic breast cancer who experienced significant improvement in visual acuity after stopping tamoxifen, which was associated with bilateral optic neuropathies.

This paper presents two cases of rare intraorbital ophthalmic artery aneurysms associated with arteriovenous malformations and discusses their clinical presentation, pathogenesis, and management, but reports no new clinical outcomes.

This report describes the clinical and histopathological features of lipoid proteinosis in a brother and sister with lid lesions, highlighting the importance of recognizing such lesions for diagnosis.

In this case report, the authors suggest an association between prolonged finasteride use and anterior subcapsular cataracts, as observed in a 43-year-old man, marking the first reported instance.