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Fatty acid methyl ester (FAME) profiling for species-specific characterization and detection of fungal pathogens that cause tree and grapevine trunk diseases.
Mycologia
January 2025
Crops Pathology and Genetics Research Unit, USDA-ARS Davis, Davis, California 95616.
Fungal trunk diseases are of major concern for tree fruit, nut, and grape growers throughout the world. These diseases include Eutypa dieback of grape, caused by , band canker of almond, caused by and , and twig and branch dieback of walnut, caused by , Botryosphaeria dieback of grape, caused by , and , and esca of grape, caused by and . Given the common occurrence of mixed infections, and the similar wood symptoms at the macroscopic level, species-specific detection tools are needed.
View Article and Find Full Text PDFMitochondrial fatty acid oxidation regulates monocytic type I interferon signaling via histone acetylation.
Sci Adv
January 2025
Laboratory of Mitochondrial Biology and Metabolism, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA.
Although lipid-derived acetyl-coenzyme A (CoA) is a major carbon source for histone acetylation, the contribution of fatty acid β-oxidation (FAO) to this process remains poorly characterized. To investigate this, we generated mitochondrial acetyl-CoA acetyltransferase 1 (ACAT1, distal FAO enzyme) knockout macrophages. C-carbon tracing confirmed reduced FA-derived carbon incorporation into histone H3, and RNA sequencing identified diminished interferon-stimulated gene expression in the absence of ACAT1.
View Article and Find Full Text PDFMetabolic Reprogramming of Neural Stem Cells by Chiral Nanofiber for Spinal Cord Injury.
ACS Nano
January 2025
Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
Exogenous neural stem cells (NSCs) have great potential to reconstitute damage spinal neural circuitry. However, regulating the metabolic reprogramming of NSCs for reliable nerve regeneration has been challenging. This report discusses the biomimetic dextral hydrogel (DH) with right-handed nanofibers that specifically reprograms the lipid metabolism of NSCs, promoting their neural differentiation and rapid regeneration of damaged axons.
View Article and Find Full Text PDFImpact of high body mass index on hepatocellular carcinoma risk in chronic liver disease: A population-based prospective cohort study.
PLoS One
January 2025
Department of Preventive Medicine and Public Health, Catholic Kwandong University College of Medicine, Gangneung, South Korea.
Background And Aims: We investigated associations between body mass index (BMI) and hepatocellular carcinoma (HCC) in patients with hepatitis B (HBV) C (HCV) virus infection, alcoholic liver disease (ALD), non-alcoholic fatty liver disease (NAFLD), and liver cirrhosis (LC).
Methods: We followed 350,608 Korean patients with liver disease who underwent routine health examinations from 2003-2006 until December 2018 via national hospital discharge records. Multivariable adjusted hazard ratios (HRs) per 5-kg/m2 BMI increase (BMI ≥25 kg/m2) for HCC risk were calculated using Cox models.
Metabolic dysfunction-associated liver disease and biliary lithiasis in children with Down Syndrome: a retrospective study.
Rev Paul Pediatr
January 2025
Universidade Federal do Paraná, Curitiba, PR, Brazil.
Objective: To investigate the presence of metabolic dysfunction-associated fatty liver disease (MAFLD) and gallbladder abnormalities in a sample of people with Down syndrome in Brazil.
Methods: This is a retrospective study using medical charts involving Down syndrome patients, diagnosed by karyotype, aged over 5 years, who underwent abdominal ultrasound and were monitored by the same professional in a clinic in Curitiba, Brazil. Data spanned January 1995 to September 2023; all cases with no use of alcohol or hepatotoxic medications.
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