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This review explores the impact of COVID-19 on skin appendages beyond COVID-toes, highlighting hair and nail disorders in affected individuals, but provides no new clinical results.

This review focuses on the various skin symptoms associated with COVID-19 but reports no new clinical findings.

In this study, researchers found that nearly half of Korean women with female pattern hair loss showed temporal scalp involvement, with a decrease in temporal hair density compared to occipital areas.

This review explores the role of FGF signaling in hair follicle development and highlights its potential as a new therapeutic target for hair loss, which could surpass existing treatments in terms of efficacy and safety.

In this study conducted at Sir Ganga Ram Teaching Hospital in Pakistan, researchers found that preoperative use of finasteride significantly reduced intraoperative blood loss and shortened hospital stay for benign prostatic hyperplasia patients undergoing bipolar TURP, compared to those not receiving finasteride.

This study found that petroleum ether extracts of Citrullus colocynthis reduced hair growth initiation time and advanced more hair follicles to the anagen phase in albino rats compared to untreated controls and minoxidil.

This study found that patients with a greater awareness and understanding of androgenetic alopecia were more likely to seek treatment, suggesting that education may increase treatment willingness.

This research observed that oxytocin receptor agonists WAY267464 and LIT001 increased hair growth-related gene expression in human dermal papilla cells and significantly promoted hair follicle sprouting in vitro, suggesting their potential as hair growth agents targeting OXTR for alopecia treatment.

In this study, researchers analyzed spaceflight data from various sources and found that skin issues during spaceflight are linked to DNA damage, mitochondrial dysregulation, and gene alterations, while also highlighting the skin's adaptability post-flight.

In this study, researchers found that recombinant human HAPLN1 promoted hair growth in mice and human hair matrix cells by activating specific signaling pathways, suggesting it may offer a potential hair loss treatment with fewer side effects than existing medications.

This review summarizes how genetic studies using conditional β-catenin loss- and gain-of-function mice have advanced understanding of canonical Wnt signaling's role in embryonic development, adult stem cell maintenance, and cancer modeling.

This review summarizes the roles of Wnt signaling in wound healing but presents no new clinical findings, suggesting potential for Wnt-based therapies to enhance tissue regeneration.

This review discusses the roles of Wnt signaling in skin organogenesis and related processes but reports no new experimental results, highlighting areas for future research.

This review discusses skin signs that can indicate systemic diseases and provides no new clinical results; it aims to aid physicians in diagnosing these conditions.

This review discusses various Wnt pathway modulators developed between 2014 and 2020, highlighting their potential as treatments for diseases like cancer and osteoarthritis, but reports no new clinical results.

In this study, a novel homozygous mutation in the STAT5B gene was identified in a 17-year-old boy with growth hormone-refractory growth failure, severe eczema, and autoimmune disease, suggesting a similarity to known STAT5B deficiency phenotypes.

This study suggests that phloroglucinol may enhance anagen signaling and reduce oxidative stress-induced damage in human dermal papilla cells, offering a potential therapy for hair loss.

This review examines the Wnt signaling pathway's role in regeneration across key model species, but it reports no new findings and highlights the need for more research to understand the underlying molecular mechanisms.

This article discusses the association between chronic diffuse telogen hair loss in women and iron deficiency, supporting the view that iron's role is unclear and often overstated, but reports no new clinical results.

This study found that the peach gene CTG134, involved in auxin-ethylene interactions, plays a role in hormonal regulation during root hair formation in Arabidopsis and tobacco.

This study found that the DNA methylation status of skin samples from cashmere goats was higher during the telogen stage compared to the anagen stage, identifying genes potentially important for hair follicle development and growth.

This letter to the editor provides no abstract and reports no new research findings or results.

This study highlights the role of innate immunity and purinergic signaling in regulating hematopoiesis and hematopoietic stem/progenitor cell specification. The researchers observed that these ancient pathways operate both paracrinally and autocrinally within HSPCs, maintaining their developmental function throughout evolution.

In this study, researchers found that hair follicle-derived mesenchymal stem cells, modified to overexpress extracellular matrix protein 1, significantly improved liver function and reduced liver damage in cirrhotic mice by inhibiting hepatic stellate cell activation and TGF-β/Smad signaling.

This study found that human mesenchymal stem cell-derived extracellular vesicles promote the proliferation and migration of hair follicle cells and increase hair shaft elongation in cultured human hair follicles.

In this study, Flii overexpression in mice enhanced fingertip regeneration and nail formation after both distal and proximal amputations, suggesting a role in digit and hair follicle regeneration possibly involving Wnt signaling.

In this study, mouse sweat gland development relied on a regulatory sequence initiated by Wnt/β-catenin signaling, and disruptions in Wnt, Eda, or Shh pathways led to distinct developmental failures.

This study found that a dopamine-methacrylated hyaluronic acid hydrogel enhances the efficacy of adipose-derived stem cells in promoting skin regeneration, potentially involving the Notch signaling pathway.

In this study, researchers discovered that ROR2, a Wnt receptor, plays a crucial role in regulating hair follicle stem cell self-renewal and maintenance, compensating for the absence of β-catenin.

In this review, retinoids are highlighted as promising agents for promoting scarless skin regeneration by coordinating cellular and molecular processes that suppress fibrosis, enhance re-epithelialization, promote angiogenesis, and enable hair follicle formation, potentially advancing functional skin repair.