Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA223224 | ENA |
REPOSITORIES: ENA
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Project description:Transcriptome analysis of Advanced glycation end products treated ligament cells
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Project description:Non-enzymatic reactions in glycolysis lead to the accumulation of methylglyoxal (MGO), a reactive precursor to advanced glycation end-products (AGEs), which has been hypothesized to drive obesity and aging-associated pathologies. A combination of nicotinamide, lipoic acid, thiamine, pyridoxamine, and piperine (Gly-Low), was identified to lower glycation by reducing MGO and MGO-derived AGE, MG-H1, in mice. Administration of Gly-Low reduced food consumption, lowered body weight, improved insulin sensitivity, and increased survival in both leptin receptor-deficient (Leprdb) and wild-type C57B6/J mice. Unlike caloric restriction, Gly-Low modulated hypothalamic signaling by upregulating mTOR pathway signaling to inhibit ghrelin-mediated hunger response. Gly-Low also slowed hypothalamic aging and increased survival when administered as a late-life intervention, suggesting its potential benefits in ameliorating age-associated decline by inducing voluntary caloric restriction and reducing glycation.
2025-02-28 | GSE234483 | GEO
Project description:Podocyte dysfunction is considered as the main contributor to the development and progression of diabetic kidney disease(DKD).High glucose(HG)or advanced glycation end products (AGEs) can lead to podocyte dysfunction.To explore the the molecular mechanism of podocyte dysfunction, we screened the mRNA expression profiles of podocytes treated with HG(50mmol/L)and AGEs(400µg/mL) through transcriptomics.
2024-12-31 | GSE236426 | GEO
Project description:Glyoxalase 1 (Glo1) is a critical enzyme responsible for the clearance of toxic dicarbonyls, which modify proteins to produce advanced glycation end products (AGEs). Glo1 has been recently implicated in the progression of metabolic disorders, however underlying mechanisms are poorly understood. We aim to investigate the role of Glo1 in metabolic perturbations and determine whether AGEs mediate the Glo1 activities in obesity and metabolic health.
2018-08-03 | GSE118034 | GEO
Project description:Thermal treatments used in Ultra-Processed Foods (UPFs) lead to advanced glycation end products (AGEs) in food products. UPFs and serum AGEs are both associated with cardiometabolic disease. We explored differential cooking methods as a mechanistic link between UPFs and detrimental health outcomes. We performed a randomized cross-over cooking method trial in healthy subjects provided with identical ingredients.
2025-01-24 | PXD059624 | Pride
Project description:Descriptive Transcriptome Analysis of Tendon Derived Fibroblasts Following In-Vitro Exposure to Advanced Glycation End Products
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Project description:Cooking methods affect Advanced Glycation End products and lipid profiles: a randomized cross-over study in healthy subjects
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Project description:Glycation is a post-translational modification underlied by the interaction of protein amino and guanidino groups with carbonyl compounds like reducing sugars and α-dicarbonyls. In the first steps of this process, the protein amino groups react with reducing carbohydrates yielding the corresponding keto- and aldimines, i.e. Amadori and Heyns compounds, respectively. Further degradation of these products results in the formation of advanced glycation end products (AGEs). Alternatively, some representatives of this heterogeneous compound group can originate from α-dicarbonyl products of monosaccharide autoxidation or primary cellular metabolism. In mammals, AGEs are continuously formed during the life of the organism, and accumulate in the tissues, being well-known markers of ageing and impacting age-related stiffing of tissues, decrease of muscle performance, and atherosclerotic changes. However, although the role of AGEs in the ageing of animal tissues is well-studied, their impact in the age-related molecular alterations in plants is completely unknown. To fill this gap, we present here a comprehensive study of the age-related changes in the plant glycated proteome in terms of affected proteins and individual glycation sites therein. Thereby, we consider the qualitative and quantitative changes in glycation patterns in terms of the general metabolic background, pathways of AGE formation, and the status of plant anti-oxidative/anti-glycative defense. Although the patterns of glycated proteins were only minimally influenced by plant age, the abundances of 96 advanced glycation sites in 71 proteins were significantly affected in an age-dependent manner and clearly indicate the existence of glycation hotspots in the plant proteome, the nature of which is discussed here in the sense of structural considerations.
2017-06-19 | PXD006434 | Pride
Project description:Ductular reaction (DR) is the hallmark of cholestatic diseases manifested in the proliferation of bile ductules lined by biliary epithelial cells (BECs). It is commonly associated with increased risk of fibrosis and liver failure. The Receptor for Advanced Glycation End Products (RAGE) was identified as a critical mediator of DR during chronic injury. Yet, the direct link between RAGE-mediated DR and fibrosis as well as the mode of interaction between BECs and hepatic stellate cells (HSCs) to drive fibrosis remains elusive. In this study, we aimed to delineate the specific function of RAGE on BECs during DR and its potential association with fibrosis in the context of cholestasis. Employing a biliary lineage tracing cholestatic liver injury mouse model, combined with whole transcriptome sequencing and in vitro analyses, we revealed the central role of BEC-specific Rage activity in fostering a pro-fibrotic milieu. RAGE is predominantly expressed in BECs and contributes to DR. Notch ligand Jagged1 is secreted from activated BECs in a Rage-dependent manner and signals HSCs in trans, eventually enhancing fibrosis during cholestasis.
2025-01-07 | GSE275751 | GEO