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Sex Affects Cognitive Outcomes in HIV-1 Tat Transgenic Mice: Role of CCR5.
ASN Neuro
January 2025
Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, Virginia, USA.
People living with HIV (PLWH) experience HIV-associated neurocognitive disorders (HAND), even though combination antiretroviral therapy (cART) suppresses HIV replication. HIV-1 transactivator of transcription (HIV-1 Tat) contributes to the development of HAND through neuroinflammatory and neurotoxic mechanisms. C-C chemokine 5 receptor (CCR5) is important in immune cell targeting and is a co-receptor for HIV viral entry into CD4+ cells.
View Article and Find Full Text PDFFructose catabolism and its metabolic effects: Exploring host-microbiota interactions and the impact of ethnicity.
J Physiol
January 2025
Department of Internal and Experimental Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands.
Important health disparities are observed in the prevalence of obesity and associated non-communicable diseases (NCDs), including type 2 diabetes (T2D) and metabolic dysfunction-associated steatotic liver disease (MASLD) among ethnic groups. Yet, the underlying factors accounting for these disparities remain poorly understood. Fructose has been widely proposed as a potential mediator of these NCDs, given that hepatic fructose catabolism can result in deleterious metabolic effects, including insulin resistance and hepatic steatosis.
View Article and Find Full Text PDFLacto-Fermented Fruits and Vegetables: Bioactive Components and Effects on Human Health.
Annu Rev Food Sci Technol
January 2025
1Department of Food Science and Technology, University of California, Davis, Davis, California, USA; email:
Lacto-fermented fruits and vegetables (FVs) such as kimchi, sauerkraut, and fermented olives and nonalcoholic juices have a long history as dietary staples. Herein, the production steps and microbial ecology of lacto-fermented FVs are discussed alongside findings from human and laboratory studies investigating the health benefits of these foods. Lacto-fermented FVs are enriched in bioactive compounds, including lactic and acetic acids, phenolic compounds, amino acid derivatives such as indole-3-lactic acid, phenyl-lactic acid, γ-aminobutyric acid, and bacteriocins, and beneficial live microbes.
View Article and Find Full Text PDFEffect of cardiomyocyte-specific lipid phosphate phosphatase 3 overexpression on high-fat diet-induced cardiometabolic dysfunction in mice.
Am J Physiol Heart Circ Physiol
January 2025
Department of Biochemistry and Molecular Biology, Dalhousie University, Dalhousie Medicine New Brunswick, 355 Campus Ring Road, Saint John, New Brunswick, E2L 4L5, Canada.
Lipid phosphate phosphatase 3 (LPP3) is a membrane-bound enzyme that hydrolyzes lipid phosphates including the bioactive lipid, lysophosphatidic acid (LPA). Elevated circulating LPA production and cellular LPA signaling are implicated in obesity-induced metabolic and cardiac dysfunction. Deletion of LPP3 in the cardiomyocyte increases circulating LPA levels and causes heart failure and mitochondrial dysfunction in mice.
View Article and Find Full Text PDFConstitutive loss of kynurenine-3-monooxygenase changes circulating kynurenine metabolites without affecting systemic energy metabolism.
Am J Physiol Endocrinol Metab
January 2025
Molecular and Cellular Exercise Physiology, Department of physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.
Kynurenic acid (KYNA) and quinolinic acid (QUIN) are metabolites of the kynurenine pathway of tryptophan degradation with opposing biological activities in the central nervous system. In the periphery, KYNA is known to positively affect metabolic health, whereas the effects of QUIN remain less explored. Interestingly, metabolic stressors, including exercise and obesity, differentially change the balance between circulating KYNA and QUIN.
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