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In this study, researchers found that male and female APCHi mice exposed to ionizing radiation showed near-normal lipid and metabolite levels, suggesting activated protein C may offer some protective effects against radiation-induced damage affecting organ systems.

This narrative review highlights that declining testosterone levels are a complex public health issue potentially influenced by modifiable lifestyle factors and environmental stressors, suggesting integrated strategies may be needed to address the trend's impacts on health.

This review highlights the potential for using the Y chromosome in epigenetic analyses to better understand male-specific aging and disease mechanisms.

In a study conducted on mice, researchers observed that exposure to ionizing radiation led to significant metabolic imbalances, including dyslipidemia and disruptions in amino acid metabolism, with activated protein C providing partial protection by normalizing certain plasma metabolites and lipids.

In this review, the authors emphasize that phenotypic heterogeneity in genetic systems and human diseases is influenced by stochastic fluctuation and network topology, proposing that ultrasensitivity and threshold effects explain this variability, which may inform strategies for preventing and treating genetic diseases.

This study found that co-transplanting mouse epidermis and dermis cells induced new hair follicle formation, while isolated or cultured dermis cells contributed to follicle-related structures differently.

This review article highlights recent progress and challenges in stem cell transplantation for regenerative medicine, emphasizing its potential in tissue repair for conditions like bone and cartilage injuries, neurological disorders, and blood diseases, while stressing the importance of overcoming current obstacles for future advancements.

This study found that dutasteride reduced β-amyloid plaque load in a cerebral amyloidosis model, seemingly linked to mitochondrial apoptosis and autophagy processes.

In this study, researchers identified three proteins, DEFB1, HGFAC, and CYB5D2, as potential drug targets for alopecia areata, and suggested that the traditional Chinese medicine ingredient cimigenol shows promise in interacting with DEFB1 for potential treatment.

This study discusses the rising interest in drug repositioning, particularly in response to COVID-19, and highlights various computational and experimental approaches used for repurposing existing drugs across different diseases, including rare conditions and chronic kidney disease.

This study demonstrated the development of high-density protein microarrays allowing for antibody binding characterization and serum profiling from patients with autoimmune diseases, suggesting potential for diagnostic marker discovery.

This study found that citrullinated proteins, which are implicated in rheumatoid arthritis, were abundant in outer membrane vesicles from Porphyromonas gingivalis but nearly absent in mutants, validating their approach to citrullinated peptide identification.

In this study, epithelial cell-derived exosomes promoted fibroblast migration and inhibited their proliferation, suggesting a role in dermal condensate formation and hair follicle morphogenesis in cashmere goats.

This review discusses new developments in understanding the structure and properties of keratin fiber cell membrane complexes, without reporting new experimental results.

This study found that the interaction between heat shock protein 90 and lamin A/C is crucial for the growth, migration, and self-aggregation of dermal papilla cells, suggesting a potential role in alopecia areata mechanisms.

In this study, re-activating SOX9 in adult epidermal stem cells led to a fate switch towards hair follicle stem cell identity, with altered chromatin dynamics and oncogenic activation, contributing insights into developmental processes and cancer pathways.

Among families with pediatric brain disease, this study identified over 200 novel genetic causes, revealing potential treatment points using drug repurposing or nutritional supplementation.

This review discusses the application of mesenchymal stem cells and their secretory factors for skin and hair regeneration and reports no clinical results; the authors highlight the progress and call for practical applications.

This chapter reviews the potential of adipose-derived stem cells for skin aging and hair loss treatments but reports no new experimental results; the authors highlight these stem cells as a promising regenerative resource.

This study found that serine 44 in the N-terminal head domain of keratin 17 is phosphorylated in response to various stimuli affecting skin keratinocyte growth, linking K17 up-regulation with growth and stress responses in skin epithelium.

This study found that activin B promotes the initiation and development of hair follicles in both cultured and neonatal mouse skin models.

This review discusses the roles of Eph receptors and ephrins in various diseases, highlighting their potential as therapeutic targets, but it presents no new research findings.

This review explores the mechanisms of hair cell death due to factors like noise, ototoxic drugs, and aging and reports no conclusive clinical results; ongoing research may eventually enable preventive treatments for hearing loss.

The authors concluded that dermal white adipose tissue, influenced by factors like light irradiation, plays a significant role in modulating hair follicle cycles and could be targeted for hair growth treatments.

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.

Martin-Perez et al. show that rapamycin's beneficial effects in a mouse model of Leigh syndrome are linked to the downregulation of protein kinase C.

This study found that the hair interior defect in AKR/J mice is linked to a mutation in the Soat1 gene, which disrupts SOAT1 protein expression and affects lipid metabolism critical for normal hair formation.

This review highlights the pharmaceutical potential of secondary metabolites from Juniperus species, noting promising antitumor, antibacterial, and antiviral activities, but reports no new experimental findings.

This study found that higher concentrations of copper (II) ions in human hair increase protein oxidative modification, contributing to hair damage regardless of UV exposure and pigmentation level.