Project description:In this study we are examining the paracrine effect induced by feline calicivirus (FCV) infection on stress granule (SG) accumulation. We provided an understanding of paracrine granules function and specificity through their affinity purification followed RNAseq to systematically analyse their RNA content.

2022-02-09 | GSE171655 | GEO

Vitamin B12 alleviates myocardial ischemia/reperfusion injury

Project description:To examine the protective effect of B12 on myocardial ischemia/reperfusion injury and figure out the mechanism of B12.

2024-01-01 | GSE225105 | GEO

American mink genome sequencing

Project description:American mink genome sequencing

| PRJEB16307 | ENA

Streptomyces sp. 61 strain:61

Project description:Streptomyces sp. 61 strain:61 Genome sequencing

| PRJNA403471 | ENA

RNA-seq for understanding effects of vitamin B12 removal on astrocyte culture

Project description:Astrocytes express a vitamin B12 uptake receptor, CD320/TCblR, that is regulated by S1P1 signaling. In search of genes controlled under B12 deficiency in astrocytes, we employed RNA-seq using RNA of astrocytes cultured in normal or B12 deficient media.

2022-05-17 | GSE99113 | GEO

Transthyretin orchestrates vitamin B12-induced stress resilience

Project description:Background: Chronic stress significantly contributes to mood- and anxiety disorders. Previous data suggest a correlative connection between vitamin B12 supplementation, depression, and stress resilience. However, the underlying mechanisms are still poorly understood. Methods: Using the chronic variable stress mouse model coupled with RNA-sequencing, we determined vitamin B12-induced transcriptional changes related to stress resilience. By viral-mediated gene transfer and in vivo epigenome editing, we reveal a functional pathway linking vitamin B12, DNA methylation, and depressive-like symptoms. Results: We identified Transthyretin (Ttr) as a sex-specific key target of vitamin B12 action in chronic stress. Accordingly, TTR expression was increased postmortem in the prefrontal cortex of male, but not female, depressed patients. Virally altered Ttr in the prefrontal cortex functionally contributed to stress- and depression-related behaviors, changes in dendritic spine morphology, and gene expression. In stressed mice, vitamin B12 reduced DNAme in the Ttr promoter region. Importantly, using in vivo epigenome editing to alter DNAme in the brains of living mice for the first time, we establish a direct causal link between DNAme on Ttr and stress-associated behaviors. Discussion: In summary, using state-of-the-art techniques, this study uncovers a mechanistic link between cobalamin supplementation, Ttr, and markers of chronic stress and depression, encouraging further studies into dietary interventions for mood disorders.

2024-05-13 | GSE267047 | GEO

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