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This study found that antibiotic-induced gut dysbiosis, particularly overgrowth of Lactobacillus murinus, can lead to hair loss in mice by depleting biotin.

T cells and bacteria in the gut and skin help maintain health and protect against disease.

This symposium reported that DNA damage accumulation in aging stem cells affects genome integrity, highlighting novel mechanisms like Bmi1's role in DNA repair and the involvement of BATF in lymphoid differentiation.

This study suggests that melatonin may have a radioprotective role against X-ray-induced skin damage in rats, as evidenced by milder injury markers in pretreated animals.

In this study, enteroendocrine cells were shown to coordinate intestinal stem cell migration towards a wound in Drosophila by releasing a ligand that activates non-canonical Wnt signaling, aiding efficient tissue repair.

In this case report, a female mixed-breed dog was observed with dermatophytosis, presenting with alopecia in the neck and ear, highlighting the zoonotic nature of the infection caused by fungi that can affect both animals and humans.

In this study, high levels of the protein Flii in mice were associated with worsened symptoms and inflammation in ulcerative colitis, suggesting Flii may inhibit mucosal healing.

This review examines regulatory mechanisms of quiescent stem cells in tissue homeostasis, drawing on observations from the intestine and other self-renewing tissues, without presenting new data.

This case report describes a young female with pediatric SLE and latent TB who was found to have gastrointestinal tuberculosis, a rarely recognized and often misdiagnosed condition, highlighting the diagnostic challenges and need for early recognition in such cases.

Pumpkin seeds may help expel parasites, but findings are retracted.

This study found that ranitidine and finasteride may have cardiovascular and renal protective effects in mice by inhibiting TMAO synthesis and improving gut microbiota composition.

This review discusses the role of Lgr5 as a marker for identifying adult stem cells, particularly in the intestine and hair follicles, and reports no clinical results.

This study identified peripheral myeloid cells as the earliest dysregulated immune cells in PINK1 KO mice with Parkinson’s-like symptoms following intestinal infections, suggesting that PINK1 regulates gut immune functions linked to early Parkinson’s disease mechanisms.

This study suggests that cedrol may improve mitochondrial function, gut microbiota, and intestinal barrier integrity, indicating its potential value in treating inflammatory bowel disease.

This study demonstrated that dietary cupric citrate improved growth performance and nutrient utilization in broilers, while also altering their intestinal microbiota and increasing the pH in the duodenum and jejunum.

This chapter reviews the presence and roles of stem cells in various body systems, focusing on their lifelong function in animals and humans, and reports no new experimental findings.

This study found that enteroendocrine cells play a key role in coordinating stem cell migration towards wounds in the Drosophila intestinal epithelium, aiding tissue repair through non-canonical Wnt signaling.

Blocking cell death in certain stem cells can improve wound healing and tissue regeneration.

This study found that enhancing quercetin bioavailability with EubioQuercetin significantly improved external aging signs in mice and influenced gut microbiota and intestinal gene expression, suggesting potential modulation through the gut microbiota–intestinal barrier axis.

The study found that enhancing quercetin bioavailability with EubioQuercetin may amplify its anti-aging effects in mice by modulating the gut microbiota and improving intestinal barrier function.

This study identified shared gene expression changes and immune cell infiltration patterns that may contribute to hair loss in alopecia areata and cutaneous lupus erythematosus, but also highlighted factors that might preserve hair in psoriasis patients.

This review explores the impact of vitamin D deficiency on the skin from a dermatological perspective, but reports no new clinical results.

In this study, aspartame consumption during gestation in rats was associated with significant histological changes and increased apoptosis in the skin of their neonatal pups.

This review analyzes the molecular and genetic roles of zinc, its connection to diarrheal disease, dietary recommendations, and the impacts of zinc deficiency on health, but reports no new data.

This study reported that mannan oligosaccharides improved the fur quality, immune response, antioxidant status, and gut microbiota of fur-growing raccoon dogs, suggesting they could potentially replace antibiotics in their diet.

This study found that deleting the ATR gene in adult mice led to rapid onset of age-related traits such as hair graying and osteoporosis through reduced regenerative capacity.

This article reviews the biology of epithelial stem cells and their role in tissue self-renewal, maintenance, and regeneration, and it highlights the clinical implications of understanding their signaling pathways, but it presents no new clinical findings.

This review discusses the protective and stress-buffering roles of melatonin in skin functions and structures but does not present new clinical findings.

This review discusses the roles and interactions of intestinal intraepithelial lymphocytes in maintaining mucosal barrier integrity and highlights how their dysregulated responses may contribute to intestinal pathologies.

This review discusses the role of the circadian clock in skin functions such as cell proliferation and UV protection and reports no new results; the authors note its potential in studying immune regulation and seasonal behaviors.