Search results for " autophagy-related"

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RAB3GAP1 and RAB3GAP2 modulate basal and rapamycin-induced autophagy

2014

Macroautophagy is a degradative pathway that sequesters and transports cytosolic cargo in autophagosomes to lysosomes, and its deterioration affects intracellular proteostasis. Membrane dynamics accompanying autophagy are mostly elusive and depend on trafficking processes. RAB GTPase activating proteins (RABGAPs) are important factors for the coordination of cellular vesicle transport systems, and several TBC (TRE2-BUB2-CDC16) domain-containing RABGAPs are associated with autophagy. Employing C. elegans and human primary fibroblasts, we show that RAB3GAP1 and RAB3GAP2, which are components of the TBC domain-free RAB3GAP complex, influence protein aggregation and affect autophagy at basal an…

GTPase-activating proteinlipid dropletsrab3 GTP-Binding ProteinsATG16L1DMSO dimethyl sulfoxideFEZ20302 clinical medicineATG autophagy-relatedPhagosomesDAPI 4’ 6-diamidino-2-phenylindoleSQSTM1 sequestosome 1ATG16L1MAP1LC3 microtubule-associated protein 1 light chain 3GFP green fluorescent protein0303 health sciencesGABARAP GABA(A) receptor-associated proteinGTPase-Activating ProteinsCell biologyRAB3GAP1RAB3GAP2RABGAP RAB GTPase activating proteinATG3autophagyCALCOCO2 calcium binding and coiled-coil domain 2Basic Research PaperseV empty vectorATG8ATG5PBS phosphate-buffered salineBiologyPE phosphatidylethanolamineTBC domain TRE2-BUB2-CDC16 domainBAG3GEF guanine nucleotide exchange factor03 medical and health sciencesC. elegans Caenorhabditis elegansAnimalsHumansCaenorhabditis elegansMolecular Biology030304 developmental biologySirolimusDPH 1 6-diphenyl-1 3 5-hexatrieneproteostasisAutophagyBiological TransportCell BiologyFEZ1Bafi bafilomycin A1FEZ fasciculation and elongation protein zetaNBR1 neighbor of BRCA1 gene 1ProteostasissiRNA small interfering RNABSA bovine serum albuminRabLysosomes030217 neurology & neurosurgeryAutophagy
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Rare ATG7 genetic variants predispose patients to severe fatty liver disease

2022

Background & Aims: Non-alcoholic fatty liver disease (NAFLD) is the leading cause of liver disorders and has a strong heritable component. The aim of this study was to identify new loci that contribute to severe NAFLD by examining rare variants.Methods: We performed whole-exome sequencing in in-dividuals with NAFLD and advanced fibrosis or hepatocellular carcinoma (n = 301) and examined the enrichment of likely pathogenic rare variants vs. the general population. This was followed by validation at the gene level.Results: In patients with severe NAFLD, we observed an enrichment of the p.P426L variant (rs143545741 C>T; odds ratio [OR] 5.26, 95% CI 2.1-12.6; p = 0.003) of autophagy-rela…

InflammationLiver CirrhosisautophagyHepatologyBiopsyNAFLD NASH autophagy genetics liver fibrosisCarcinomaLiver NeoplasmsNASHHepatocellularAutophagy-Related Protein 7NAFLD; NASH; autophagy; genetics; liver fibrosis; Autophagy-Related Protein 7; Biopsy; Humans; Inflammation; Liver; Liver Cirrhosis; Carcinoma Hepatocellular; Liver Neoplasms; Non-alcoholic Fatty Liver DiseaseLiverNon-alcoholic Fatty Liver DiseaseNAFLDHumansgeneticsgeneticautophagy; genetics; liver fibrosis; NAFLD; NASHliver fibrosis
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