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This article emphasizes the need for physicians to gain expertise in obesity care, detailing comprehensive assessments as critical for effective management, but provides no new research findings.

Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.

This study found that overexpression of Wnt1a in bone marrow mesenchymal stem cells enhanced mouse hair follicle regeneration and promoted hair cycling.

This study demonstrates that canonical Wnt signaling is crucial for maintaining thymic epithelial microenvironments in postnatal thymus, possibly by affecting TEC progenitor cells.

This study found that the JMJD3/NF-κB-Notch1 pathway plays a crucial role in regulating keratinocyte migration and skin wound healing, with Notch1 affecting key genes involved in cell migration.

This chapter reviews keratins in skin epithelia, including their roles in cellular function and disease, and reports no new experimental results.

This study found that FOXN1 haploinsufficiency is a significant genetic factor causing T cell lymphopenia at birth, linked to reduced thymic function in both humans and mice.

This study found that prolactin plays a direct role in regulating the timing of hair growth cycles in mice by affecting the skin, rather than through other endocrine factors.

This study found that the microRNA miR-22 is a key regulator of the hair cycle, influencing hair loss by promoting the transition from growth to rest phases and repressing keratinocyte differentiation.

This study found that overexpression of parathyroid hormone-related protein in mice resulted in 30–40% shorter hair due to premature transition into the catagen phase of the hair cycle.

This article examines various types of childhood alopecia and highlights the importance of identifying chronic conditions or those linked to underlying medical issues, but reports no new results.

This study found that ablating centrosomes in developing epidermis alters keratinocyte division without majorly affecting differentiation, suggesting early epidermal development is driven by high proliferation and cell delamination.

This study highlights that the mammalian target of rapamycin complex 2 (mTORC2)-Akt signaling axis is essential for hair follicle stem cells to return to their niche and regenerate effectively by regulating metabolic pathways.

This study suggests that activating retinoic acid signalling can inhibit Wnt signalling and induce regression in certain skin tumors, providing potential therapeutic strategies for tumor regression.

In this study, BLIMP1 was found to function in terminally differentiated epidermal cells to maintain homeostasis, rather than defining a sebocyte progenitor population.

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 the physiology of hair growth, common abnormal patterns of hirsutism, and examines differential diagnoses and treatment options, but provides no new clinical findings.

This study demonstrated that a mechanical-assisted post-bioprinting strategy significantly increased cell numbers and enhanced regenerative capabilities in hollow hydrogel-based scaffolds for bone defect repair in vivo.

In a study on muscle regeneration in mice, researchers found that platelet-secreted CXCL7 is crucial for recruiting neutrophils to injury sites, aiding early muscle repair and optimal regrowth, suggesting potential therapeutic uses for boosting muscle healing.

This study found that JunB, a transcription factor, is crucial for maintaining epidermal-pilosebaceous stem cell homeostasis by regulating progenitor cell behavior and preventing sebaceous gland dysfunction.

This review revisits mechanisms underlying acne lesion formation and suggests that preventing comedone development requires controlling critical factors in the pilosebaceous follicle before acne involvement.

This study found that the vitamin D receptor is essential for the self-renewal, migration, and differentiation of epidermal stem cells during skin wound healing in mice.

This article reviews behavioral dermatology, highlighting the importance of integrating physiological, social, and environmental factors in managing dermatologic conditions with behavioral components, but reports no new clinical results.

This study discovered a novel interaction between the vitamin D receptor and LEF1, essential for normal Wnt signaling in keratinocytes, which is crucial for regular hair cycling.

This study demonstrated that an engineered human skin equivalent can generate follicle-like structures resembling fetal skin, highlighting the role of the dermal compartment in directing epithelial cell fate in vitro.

This article describes a framework for evaluating new health technologies by integrating quantitative evidence with qualitative assessments and using precedents to guide policy decisions, without reporting new clinical results.

This review discusses the potential of DHEAS and testosterone treatments to increase muscle mass in older men with sarcopenia, while effects on muscle function and physical performance remain unclear, and calls for further research on optimized approaches.

This article reviews advanced dermabrasion techniques for acne scars and skin lesions, detailing patient selection and procedural steps to enhance therapeutic outcomes and avoid pitfalls, but reports no new findings.

This study found that despite the persistence of aberrant double-negative T-cells, functional immune-competence was maintained after thymic transplantation in a patient with a rare FOXN1 mutation.

This review discusses the negative health impacts of testosterone deficiency and the potential adverse effects of 5α-reductase inhibitors, emphasizing the need for patient-physician discussions regarding these treatments.