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This review summarizes fundamental concepts and recent advancements in hair follicle biology, including insights from mouse models into broader molecular and cellular processes relevant to regeneration and development.

This study found that altering cell culture conditions to form three-dimensional papilla spheroids can restore the ability of human dermal papilla cells to induce hair growth in adult skin.

Understanding where cancer cells come from helps create better prevention and treatment methods.

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 review updates the understanding of fibroblast heterogeneity in wound healing, discussing advancements in fibroblast roles and potential therapies, but it reports no new clinical results.

This study found that cardiac fibroblasts significantly enhance the maturation of neonatal mouse and human embryonic stem cell-derived cardiomyocytes, suggesting a pivotal role in postnatal heart development and disease.

This study reported that 4D-printed, aliphatic polycarbonate-based scaffolds supported adipose tissue engineering by allowing adipocyte infiltration and neovascularization in vivo, indicating potential for effective adipose tissue repair.

This study found that low oxygen conditions and ECM degradation products increased the proliferation and migration of perivascular stem cells without altering their phenotype, suggesting potential roles in tissue repair.

This review discusses the differences in wound healing between fetal and adult skin, highlighting the potential to uncover genes for scarless repair that could improve adult wound healing.

This study found that deleting the miRNA processing enzymes Drosha and Dicer from mouse skin epithelial cells disrupted normal hair follicle development and maintenance, leading to follicular degradation and stem cell loss during the growth phase.

This study suggests that S100A4 and S100A6 proteins may play key roles in activating stem cells for hair follicle regeneration in mice.

This review examines the role of nuclear hormone receptors in skin wound repair processes and reports no new clinical results, highlighting the importance of their interaction with skin cells for effective healing.

This study found that the transcription factors Msx2 and Foxn1 are crucial for maintaining Notch1 expression in the hair follicle matrix, which is necessary for proper hair differentiation.

This review discusses the unique features of dermal white adipose tissue, its interaction with hair follicles, and its role in skin physiology, reporting no new experimental findings.

In this study, enteroendocrine cells were shown to coordinate intestinal stem cell migration towards a wound in Drosophila by releasing a ligand that activates non-canonical Wnt signaling, aiding efficient tissue repair.

This review discusses the use of ablative and nonablative fractional resurfacing for enhanced topical drug delivery in dermatology and reports no new clinical results; further studies are needed to explore these methods.

This study found that Brg1, a chromatin-remodeling enzyme, plays a critical role in hair regeneration and early epidermal repair by regulating bulge stem cells through a Brg1-Shh interaction.

This study analyzed skin from 538 knockout mouse mutants and identified 50 with epidermal phenotypes, providing valuable insights into genetic conditions and systemic effects related to skin abnormalities.

This review discusses newer therapeutic techniques for treating postacne scarring, highlighting their effectiveness for particular grades of scars, and reports no new clinical results.

In this study, BS and BO combined showed a synergistic effect in enhancing wound healing in rat skin lesions compared to using either alone or Flamazine®.

This study found that hair follicle and interfollicular epidermis stem cells contribute differently to skin regeneration, with their persistence influenced by factors like spatial constraints and competition moderated by Notch suppression.

This review explores the role of Eph receptors and ephrins in skin cell processes, discussing their potential for therapeutic targeting in dermatological disorders, but it presents no new research findings.

This study found that hair follicle stem cells could enhance burn wound healing and improve tissue tensile strength in rats.

This study found that transforming growth factor-β1 and CX3CR1 are crucial for recruiting specific macrophages essential for wound-induced hair growth in mice.

In this study using a mouse model, Prom1+ dermal papilla cells were found to regulate the size of the papilla via β-catenin communication but did not aid in dermal repair.

This study found that combining fractional erbium-glass laser therapy with topical minoxidil significantly improved hair density and diameter in men with androgenetic alopecia compared to using minoxidil alone over a 24-week period, with no serious adverse events reported.

This study found that neonatal mice without the urokinase-type plasminogen activator (uPA) gene had reduced epidermal proliferation rates, suggesting uPA's involvement in promoting keratinocyte proliferation.

In this study, the combination of SCF and ET-1 was found to significantly enhance skin pigmentation and melanin content in human skin xenografts on SCID mice compared to either treatment alone.

In this study, the authors reported that among patients with androgenetic alopecia, treatment with minoxidil 5% lotion combined with PRP and microneedling resulted in better hair growth and higher satisfaction compared to other treatment groups.

This study found that extracellular ATP released from UVB-irradiated keratinocytes promotes melanin production through the P2X7 receptor, indicating a role for ATP-P2X7 signaling in UV-induced melanogenesis.