Search Results - "Simon, Geisler"
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The Immunopathogenesis of Alzheimer's Disease Is Related to the Composition of Gut Microbiota
Published in Nutrients (25-01-2021)“…The microbiota-gut-brain axis plays an important role in the development of neurodegenerative diseases. Commensal and pathogenic enteric bacteria can influence…”
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On the Possible Relevance of Bottom-up Pathways in the Pathogenesis of Alzheimer's Disease
Published in Current topics in medicinal chemistry (01-01-2020)“…Dementia is an increasing health problem in older aged populations worldwide. Age-related changes in the brain can be observed decades before the first…”
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Activated immune system and inflammation in healthy ageing: relevance for tryptophan and neopterin metabolism
Published in Current pharmaceutical design (01-01-2014)“…Immune activation not only accompanies inflammation in various disorders including infections, autoimmune syndromes and cancer, but it also represents a…”
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Immunometabolism in the Pathogenesis of Depressive Disorders - Therapeutic Considerations
Published in Current topics in medicinal chemistry (01-01-2018)“…There exists a critical link between immunological processes and metabolic changes. Furthermore, it becomes more and more evident that changes in…”
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Serum tryptophan, kynurenine, phenylalanine, tyrosine and neopterin concentrations in 100 healthy blood donors
Published in Pteridines (01-03-2015)“…Formation of neopterin, a biomarker of the activated human immune system, is linked with tryptophan (TRP) and phenylalanine (PHE) metabolism. To obtain normal…”
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Neopterin levels and Kyn/Trp ratios were significantly increased in dengue virus patients and subsequently decreased after recovery
Published in International journal of infectious diseases (01-02-2020)“…•Neopterin levels and Kyn/Trp ratios were significantly increased in dengue virus (DENV) patients and subsequently decreased after recovery.•Neopterin…”
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Positive Effects of Probiotic Therapy in Patients with Post-Infectious Fatigue
Published in Metabolites (08-05-2023)“…Post-infectious fatigue is a common complication that can lead to decreased physical efficiency, depression, and impaired quality of life. Dysbiosis of the gut…”
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Pharmacological Targets of Kaempferol Within Inflammatory Pathways-A Hint Towards the Central Role of Tryptophan Metabolism
Published in Antioxidants (21-02-2020)“…The flavonoid kaempferol is almost ubiquitously contained in edible and medicinal plants and exerts a broad range of interesting pharmacological activities…”
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Tolerability of inhaled N-chlorotaurine in humans: a double-blind randomized phase I clinical study
Published in Therapeutic advances in respiratory disease (01-01-2018)“…Background: N-chlorotaurine (NCT), a long-lived oxidant produced by human leukocytes, can be synthesized chemically and used topically as a well-tolerated…”
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Immune activation and inflammation increase the plasma phenylalanine-to-tyrosine ratio
Published in Pteridines (01-06-2013)“…The proinflammatory cytokine interferon (IFN) γ activates GTP-cyclohydrolase I. In turn, the production of neopterin in human monocytic cells and of…”
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Immune activation and inflammation in patients with cardiovascular disease are associated with elevated phenylalanine-to-tyrosine ratios
Published in Pteridines (01-06-2013)“…Higher serum neopterin concentrations and kynurenine-to-tryptophan (Kyn/Trp) ratios are associated with increased mortality in patients with coronary artery…”
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Modulation of phenylalanine and tyrosine concentrations by ischemia and guanosine in neuronal PC12 cells
Published in Pteridines (01-12-2013)“…Survival of neurons is dependent on the presence of trophic and non-trophic factors. We have previously observed the protective capacity of purine nucleosides…”
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Better, Faster Small Hazard Detection: Instance-Aware Techniques, Metrics and Benchmarking
Published in IEEE transactions on intelligent transportation systems (01-07-2022)“…Vision-based detection of hazards in the path of ego-vehicle is a challenging task because of the variability in the type of hazards. In this paper, we present…”
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Elevated fecal calprotectin in patients with Alzheimer’s dementia indicates leaky gut
Published in Journal of Neural Transmission (01-09-2015)“…Fecal concentrations of calprotectin were examined in 22 patients with Alzheimer’s disease (AD) and compared with serum concentrations of aromatic amino acids…”
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Immune activation in patients with Alzheimer's disease is associated with high serum phenylalanine concentrations
Published in Journal of the neurological sciences (15-06-2013)“…Abstract Background Immune activation and inflammation represent critical factors in the pathogenesis of Alzheimer's disease (AD) and are associated with…”
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Tryptophan‐kynurenine metabolism during acute alcohol withdrawal in patients with alcohol use disorder: The role of immune activation
Published in Alcoholism, clinical and experimental research (01-09-2022)“…Background Recent research has suggested that excessive alcohol consumption in patients with alcohol use disorder (AUD) is associated with chronic immune…”
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Simultaneous measurement of phenylalanine and tyrosine by high performance liquid chromatography (HPLC) with fluorescence detection
Published in Clinical biochemistry (01-12-2013)“…An HPLC method was developed to quantify serum concentrations of phenylalanine and tyrosine simultaneously using fluorescence detection without derivatization…”
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Modulation of the tryptophan-kynurenine axis by volatile organic compounds
Published in Toxicology letters (20-10-2017)Get full text
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Tryptophan breakdown is increased in euthymic overweight individuals with bipolar disorder: a preliminary report
Published in Bipolar disorders (01-06-2014)“…Objectives Individuals with bipolar disorder (BD) are disproportionately affected by symptoms of being overweight and metabolic syndrome when compared to the…”
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