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Influence of a ketogenic diet on glial metabolism in vivo - Oligodendrocytes

ABSTRACT: Influence of a ketogenic diet on glial metabolism in vivo - Oligodendrocytes

PROVIDER: PRJNA851405 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19764202.fastq.gz	Fastqsanger.gz
	SRR19764203.fastq.gz	Fastqsanger.gz
	SRR19764204.fastq.gz	Fastqsanger.gz
	SRR19764205.fastq.gz	Fastqsanger.gz
	SRR19764206.fastq.gz	Fastqsanger.gz

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Influence of a ketogenic diet on glial metabolism in vivo - Oligodendrocytes

Project description:To maintain homeostasis, the body including the brain reprograms its metabolism in response to altered nutrition or disease. However, the consequences of these challenges for the energy metabolism of the different brain cell types remain unknown. Here, we generated a proteome atlas of the major CNS cell types from young and adult mice, after feeding the therapeutically relevant low-carbohydrate, high-fat ketogenic diet (KD) and during neuroinflammation. Under steady-state conditions, CNS cell types prefer distinct modes of energy metabolism. Surprisingly, the comparison with KD revealed distinct cell type-specific strategies to manage the altered availability of energy metabolites. Astrocytes and neurons but not oligodendrocytes demonstrated metabolic plasticity. Unexpectedly, inflammatory demyelinating disease changed the neuronal metabolic signature in a similar direction as KD. Together, these findings highlight the importance of the metabolic crosstalk between CNS cells and between the periphery and the brain to manage altered nutrition and neurological disease.

2022-06-24 | GSE206576 | GEO

Influence of a ketogenic diet on glial metabolism in vivo

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Influence of a ketogenic diet on glial metabolism in vivo - Astrocytes

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Influence of a ketogenic diet on glial metabolism in vivo - Astrocytes

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Influence of a ketogenic diet on glial metabolism in vivo

Project description:This SuperSeries is composed of the SubSeries listed below.

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Kainic acid-administered Rat brain: control vs Ketogenic diet-fed

Project description:The ketogenic diet has long been used to treat epilepsy, but its mechanism is not yet clearly understood. To explore the potential mechanism, the changes in gene expression induced by the ketogenic diet in the rat kainic acid (KA) epilepsy model were analyzed. Two-condition experiment, Normal diet-fed rat brain vs. Ketogenic diet-fed rat brain. Duplicate per array

2010-05-19 | E-GEOD-19277 | biostudies-arrayexpress

Myocardial expression data from ketogenic diet-fed mice

Project description:Specific pathogen free wild-type C57Bl/6 male mice fed ketogenic diet (Bio-Serv AIN-76-A) for 4 weeks Keywords: RNA Expression Array Hearts from 12 week-old mice that were maintained on a standard polysacchardide-rich chow until the age of 8 weeks, at which time they were switched to a ketogenic diet (ad libitum) and maintained for 4 additional weeks prior to collection of tissues

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Kainic acid-administered Rat brain: control vs Ketogenic diet-fed

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Ketogenic diet versus standard high-carbohydrate nutrition in sepsis: a randomized controlled trial

Project description:Rationale: Sepsis patients suffer from severe metabolic and immunologic dysfunction that may be amplified by standard carbohydrate-based nutritional regimes. We therefore hypothesize that a ketogenic diet improves sepsis treatment. Objectives: We investigated the safety and feasibility of a ketogenic diet in sepsis patients. Methods: We conducted a monocentric open-labeled randomized controlled trial (DRKS00017710) enrolling adult sepsis patients randomly assigned to either ketogenic or standard high-carbohydrate diet for 14 days with follow-up until day 30. The primary outcome measure was β-hydroxybutyrate serum concentration on day 14. Secondary outcomes included safety, clinical and immunological changes. Measurements and Main Results: 40 critically ill septic patients were assigned to the study groups. Increase in β-hydroxybutyrate concentrations from baseline to day 14 was markedly greater under ketogenic diet (1.2 ±0.9) compared to controls (-0.3 ±0.4); estimated mean difference 1.4 (95%-CI 1.0-1.8; p<0.0001). During ketogenic diet, no patient required insulin treatment beyond day 4, whereas 35% to 60% of control patients did (p=0.0095). Metabolic side effects were not observed under ketogenic diet. Ventilation-free (IRR 1.7; 95%-CI: 1.5 to 2.1; p<0.0001), vasopressor-free (IRR 1.7; 95%-CI: 1.5 to 2.0; p<0.0001), dialysis-free (IRR 1.5; 95%-CI: 1.3 to 1.8; p<0.0001), and ICU-free days (IRR 1.7; 95%-CI: 1.4 to 2.1; p<0.0001) significantly increased in patients under ketogenic diet. There was no difference in 30-day mortality. Analyses indicated favorable changes towards immune homeostasis. Conclusions: Ketogenic diet is a feasible and safe nutritional regimen in septic patients promoting recovery from sepsis-related organ dysfunction and could become a new tool in modern treatment concepts.

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Ketogenic diet induces p53-dependent cell senescence in multiple organs

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