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5α-Reductase helps regulate hormone action in toad testes, especially during breeding season.

This study found that Wnt signaling regulates the symmetric division of adult neural stem cells, increasing their numbers during subependymal regeneration, stroke response, and colony formation.

This research suggests that targeting the HIF-1α pathway via PHD inhibitors may enable regeneration similar to amphibians in mammals, potentially fast-tracking regenerative therapies from mice to humans.

This article reviews the regulation of androgens in human skin and adrenals, highlighting their role in skin disorders, but reports no new research findings.

This commentary suggests that shifting from inconsistent autologous PRP to more standardized PRP-inspired formulations could improve treatment consistency for alopecia, emphasizing the need for careful characterization and clinical studies to validate safety and efficacy.

This review discusses the role of PIN-FORMED 2 and related signaling pathways in root hair growth regulation and reports no new experimental findings.

This research demonstrates that a temperature controllable medical chilling device using thermal electric cooling technology effectively maintains constant cell temperatures, potentially improving tissue viability during hair transplant procedures.

This study suggests that BLMP-1 is important for timely molting and oscillatory gene expression in C. elegans, indicating a potentially conserved mechanism for rhythmic skin regeneration.

In this study, highly dynamic remodeling was observed in mouse somatosensory axons and Merkel cells, indicating that epithelial-neural interactions help maintain homeostatic remodeling, with additional intrinsic neural mechanisms contributing to axonal plasticity.

This review explores the variability in platelet-rich plasma therapy outcomes across different medical applications, attributing disparities to inconsistent blood processing methods, and it reports no new clinical results.

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 found that patients with alopecia areata had significantly lower frequencies of IL-10 producing CD19+CD24hiCD38hi regulatory B cells compared to healthy volunteers, suggesting a potential role for these cells in the autoimmune response seen in the condition.

In this case report, the authors detail a successful management of early scalp ischemia after hair transplantation using the FLOW protocol, which emphasizes cause correction, local vasodilation, oxygenation optimization, and wound care, resulting in recovery without necrosis.

This article reviews how the skin's peripheral stress response system mirrors the central HPA axis, facilitating local homeostasis under stress, but presents no new findings.

This study reports that AhR pathway expression is significantly reduced in lymphocytes of alopecia areata patients, suggesting its potential as a diagnostic marker and therapeutic target.

This review discusses the hair follicle cycle's complex regulation and highlights the potential for targeting catagen control in future therapies without presenting new experimental data.

This study found that hair follicles across mouse skin form a heterogeneous regenerative field, with distinct cycling dynamics influenced by the balance of activator and inhibitor signals, which could inform other organ regeneration research.

This study found that mTOR signaling plays a crucial role in activating hair follicle stem cells by balancing BMP-mediated repression, essential for hair regeneration.

This study found that high-resolution laser speckle contrast imaging devices provide good reproducibility for assessing skin perfusion in mice but not for measuring haemoglobin oxygenation.

This study found that IL18 signaling plays a crucial role in the homing and retention of mature regulatory T cells in the mouse thymus, primarily by upregulating the chemokine receptor CCR6.

This study observed a high degree of plasticity in somatosensory axons innervating Merkel cells in mouse skin, finding that both axons and Merkel cells underwent dynamic remodeling, with their interactions influencing axonal branching and maturation.

This study found that the circadian clock regulates the activation state of murine epidermal stem cells, affecting tissue homeostasis and susceptibility to tumorigenesis when disrupted.

This study found that Wnt/β‐catenin signaling influences the hair follicle regeneration process by prompting quiescent stem cells to enter the cell cycle and is necessary for maintaining the stem cell pool.

This review discusses the interrelationship between the anterior pituitary's adrenocorticotropic hormone (ACTH) and the adrenal cortex, but reports no new experimental findings.

This study found that KSR1 is essential for v-Ha-ras-mediated skin tumor formation in mice but not for MT-driven mammary tumor genesis, suggesting its potential as a therapeutic target in Ras/MAPK signaling.

This study found that actomyosin contractility in suprabasal keratinocytes influences the proliferation and differentiation of epidermal stem/progenitor cells by acting as a niche element in the skin.

This study found that T-regulatory cells, specifically the FOXP3 CD39 subset, were significantly reduced in both circulation and hair follicles of alopecia areata patients compared to healthy subjects, suggesting potential therapeutic targets.

This narrative review proposes the concept of "repigmentation competence" for vitiligo lesions, suggesting that therapy responses are influenced by lesion-specific biological factors related to immune, regenerative, regulatory, and microenvironmental processes, and highlights the emerging role of combination therapies targeting these pathways.