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This review discusses the regeneration capabilities of various vertebrate tissues, focusing on the unique ability of certain species to regenerate teeth and lens, and reports no new results.

Epithelial cell growth in rat hair follicles needs contact with mesenchymal cells through the extracellular matrix.

This study suggests that epithelial-derived pop-up keratinocytes (ePUKs) may improve regenerative medicine applications due to their specific phenotype and increased expression of proteins involved in regulating cellular movement and wound healing.

This study identified the presence of recognizable organelles, such as lysosomes and mitochondria, in both the keratinized fiber and the hardened inner root sheath of the Romney wool follicle.

This study observed that the catagen phase in hairless mice displayed a slower shortening of the mutant epithelial column, resulting in longer total follicle length and abnormalities in the connective tissue sheath and glassy membrane.

This study showed that coexpression of TG2 and Gbx1 in the epidermis is necessary for esophagus-like mucosal transdifferentiation, with TGF-beta2 in the dermis essential for the process through epithelial-mesenchymal interaction.

In this study, researchers reported telocytes in the dermis of silky fowl embryos at different developmental stages, highlighting their immunophenotypes and interactions with other cells.

This study found that incorporating cell-adhesive ligands into 3D peptide hydrogels supports the survival and osteogenic differentiation of human amniotic mesenchymal stem cells.

This study found that endothelial cells under serum deprivation significantly upregulated genes related to inflammation and coagulation, which may impact outcomes in tissue transfer procedures.

This review examines the emergence of new adult stem cell sources with potential for bone tissue engineering and discusses their advantages over traditional sources.

This study found that micro-niches within hair follicles create heterogeneity among stem cells and transit-amplifying cells, leading to specialized progenitors that control tissue morphogenesis and regeneration.

In this research, LEF1 was identified as a crucial transcription factor for submucosal gland development in mouse and ferret tracheas, though it requires other factors to induce gland formation.

This report presents the first known case of a proliferating hybrid cyst containing both epidermoid and trichilemmal components on the scrotum of a 44-year-old man.

This study found that the interdigital gland of Vembur sheep has larger secretory lobules in males than females, producing various compounds for chemical communication and foot protection.

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 study found that human placenta extract may be a promising pulp-capping material, causing less intense chronic inflammation and thicker dentine bridge formation compared to mineral trioxide aggregate in dogs' teeth.

This study suggests that the cell membrane complex in hair cuticles contains hydrophilic regions with disulfide bonds allowing polymer uptake and hydrophobic lamella-like lipid layers.

This review discusses recent advancements in understanding how the extracellular matrix regulates epidermal stem cell fate and highlights the significance of ECM in stem cell maintenance and differentiation, with implications for regenerative medicine.

This study found that the formation of the fibre cuticle surface in Merino sheep is similar to the epidermal stratum corneum process and not from a modified plasma membrane as previously thought.

This case report describes a 29-year-old Japanese man with follicular mucinosis, suggesting nestin-positive, multipotent hair follicle stem cells may be involved in reticular epithelial degeneration of the outer root sheath.

This study describes a method using lentivirus in mouse cells to analyze epithelial-mesenchymal signaling important for hair follicle development, offering a quicker alternative to genetic models.

This review suggests that omitting the proteolysis step and including tissue pieces in mesenchymal stem cell isolation may improve cell quality, reduce contamination risk, and lower costs and processing time in clinical applications.

This study found that inducing Atoh1 expression in transgenic mice is sufficient to generate new Merkel cells in the epidermis, with variations by skin location, developmental age, and hair cycle stage.

This review focuses on hydrogel microsphere-mediated strategies to improve organoid culture by addressing deficiencies in extracellular matrix organization, potentially enhancing the physiological accuracy and clinical translatability of osteomuscular in vitro models as reported in this study.

This article reviews the occurrence of ectopic sebaceous glands in hair follicle matrix during hair embryogenesis and reports no new clinical results, indicating unknown pathogenesis and clinical implications.

This study explored the development of GelMet, an electrospun hybrid nanofiber scaffold made from gelatin and PEG methacrylate, which demonstrated strong mechanical properties and effectively supported cell growth in vitro, suggesting its potential for skin tissue engineering applications.

In this study, engineered skin substitutes containing murine dermal papilla cells developed hair follicle-like structures when grafted onto mice, suggesting a model for generating chimeric hair.

This study introduced a bioengineering platform that creates early-stage hair peg-like structures within tissue-engineered skin substitutes by integrating human keratinocytes and dermal papilla cells with laser-micropatterned collagen scaffolds, providing a foundation for future appendage-inclusive skin regeneration efforts.