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This review discusses the role of jasmonic acid and its conjugates in enhancing plant stress tolerance and balancing growth and defense mechanisms but provides no new experimental data.

This article discusses the potential role of a local skin POMC system in the murine hair cycle and cutaneous stress responses, with no new results presented.

This review discusses the interplay between hormonal and immune systems in hair follicles and reports no new results, highlighting the need for further research on their role in skin biology and alopecia areata.

This study found that stress-induced signaling from the sympathetic nervous system in mice led to the depletion of stem cells in hair follicles, resulting in premature greying.

In this review, researchers explored how air pollutants increase oxidative stress and inflammation in human skin, affect vitamin D synthesis, and interact with the skin microbiota, also discussing AhR/Nrf2 as a potential target for treating pollution-related skin conditions.

This article discusses potential links between male balding, specifically androgenic alopecia, and severe COVID-19, suggesting that balding may serve as a biomarker for identifying higher-risk patients, but it reports no new experimental findings.

This study found that lower salmon availability was associated with higher stress hormone levels in grizzly and black bears, influencing their physiological responses and competitive behaviors.

This study observed that cortisol concentrations in hair, indicating prolonged stress, are correlated between mothers and young children, suggesting potential heritable traits or maternal influence.

This study observed that drug-naïve first-episode psychosis patients had higher hair cortisol concentrations than healthy controls, and these concentrations correlated with the severity of psychopathology.

This review discusses the roles of peripheral nerves in stem cell and immune responses within the skin and hematopoietic system, emphasizing their potential in developing new therapies; it reports no new experimental results.

This study reviewed recent theories on alopecia areata's pathogenesis, highlighting its autoimmune nature due to immune privilege disruption in hair follicles, and noted current treatments have limited efficacy with high relapse rates, underscoring the need for further research into its mechanisms for better therapies.

This review discusses the role of adipose tissue as an endocrine organ affecting skin physiology and suggests a complex interaction between adipocytes and the skin as part of the broader endocrine system, but provides no new clinical results.

Hair graying may help prevent cancer by protecting stem cells.

In this review, researchers examined the link between COVID-19 and telogen effluvium, a hair loss condition, noting that increased stress, immune response, medications, and worsening of underlying diseases may contribute to this condition post-infection.

This review discusses the mechanisms of wound healing and excessive scarring, highlighting the importance of understanding these processes for developing new therapies to prevent fibrotic scarring in large skin wounds.

This review discusses alopecia areata as a model for studying tissue-directed autoimmune diseases and reports no new clinical findings.

This review discusses how urban air pollutants may influence the regulation of JAK3 signaling in alopecia areata and reports no new experimental results; the authors integrate existing data to map potential pathways and biomarkers.

This presentation reviews recent discoveries about signaling mechanisms in hair follicles and their potential influence on hair cycle control and melanogenesis, without presenting new experimental results.

This article reviews potential pathomechanisms of vitiligo, emphasizing membrane alterations involving cholesterol and cardiolipin, but reports no new clinical findings.

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 found that inducing a leaky gut in mice led to increased gut permeability and decreased expression of protective genes, suggesting a potential link to alopecia areata.

This review discusses the complex relationship between stress and various skin conditions, highlighting the role of the skin in the stress response and the brain-skin communication pathways, but reports no new research findings.

In this study, researchers found that in late pregnancy, the neuroactive progesterone metabolite allopregnanolone inhibits HPA axis responses to immune challenges via an opioid-mediated mechanism.

This review discusses recent findings on cellular antioxidant responses to oxidative stress and their implications for treating various human diseases but reports no new clinical results.

This study found that hair follicle gene expression varies between Angus and Brahman cattle and responds to growth-promoting treatments, which may reflect breed differences in adaptability to cold stress.

This article reviews the potential causes of post-COVID telogen effluvium, attributing it to both inflammatory responses to SARS-CoV-2 and psychosocial stress, and suggests that hair recovery may occur without specific treatment.

This study found that direct interactions between human dermal papilla cells and melanocytes under low oxygen conditions improved cell functions and could be important for hair regeneration efforts.

This review highlights that iron deficiency is a significant yet often overlooked contributor to the development of immune-mediated inflammatory skin diseases, suggesting that iron dysregulation may drive inflammation and metabolic imbalances in conditions like psoriasis and atopic dermatitis.

This review discusses genome maintenance mechanisms critical for preventing age-related diseases by preserving stem and progenitor cell potential, but reports no new empirical findings.

This research review highlights how hair cortisol concentration can reflect the activation of the stress-response system in farm, domestic, and wild animals, noting it correlates with factors like species, sex, age, and environmental conditions, which may influence stress and adaptation.