Summary of Study ST002846
This data is available at the NIH Common Fund's National Metabolomics Data Repository (NMDR) website, the Metabolomics Workbench, https://www.metabolomicsworkbench.org, where it has been assigned Project ID PR001781. The data can be accessed directly via it's Project DOI: 10.21228/M8H432 This work is supported by NIH grant, U2C- DK119886.
See: https://www.metabolomicsworkbench.org/about/howtocite.php
This study contains a large results data set and is not available in the mwTab file. It is only available for download via FTP as data file(s) here.
| Study ID | ST002846 |
| Study Title | Apolipoprotein E suppresses hyperlipidemia-driven hematopoiesis & inflammation by controlling mitochondrial metabolism |
| Study Summary | Apolipoprotein E (ApoE) is recognized for its pleiotropic properties that suppress inflammation. We report that ApoE serves as a metabolic rheostat that regulates microRNA-control of glycolytic and mitochondrial activity in myeloid cells and hematopoietic stem & progenitor cells (HSPCs). ApoE expression in myeloid cells increases microRNA-146a, which reduces NF-κB-driven GLUT1 expression and glycolytic activity. In contrast, ApoE expression reduces microRNA-142a, which increases CPT1A expression, fatty acid oxidation, and oxidative phosphorylation. Improved mitochondrial metabolism by ApoE expression causes an enrichment of TCA cycle metabolites and NAD+ in macrophages. The study of mice with conditional ApoE expression supports the capacity for ApoE to foster microRNA-controlled immunometabolism. Modulation of microRNA-146a & -142a in the hematopoietic system of hyperlipidemic mice using RNA mimics & antagonists, respectively, improves mitochondrial metabolism, which suppresses inflammation and hematopoiesis. Our findings unveil an RNA regulatory network, controlled by ApoE, which exerts metabolic control over hematopoiesis and inflammation in hyperlipidemia. |
| Institute | Northwestern University |
| Last Name | Stoolman |
| First Name | Joshua |
| Address | 303 E Superior Street, Chicago, IL 60611 |
| joshua.stoolman@northwestern.edu | |
| Phone | 7343559440 |
| Submit Date | 2023-07-20 |
| Raw Data Available | Yes |
| Raw Data File Type(s) | raw(Thermo) |
| Analysis Type Detail | LC-MS |
| Release Date | 2024-05-01 |
| Release Version | 1 |
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Factors:
Subject type: Mammal; Subject species: Mus musculus (Factor headings shown in green)
| mb_sample_id | local_sample_id | genotype | treatment |
|---|---|---|---|
| SA308535 | 17 | ApoE-KO | no treatment |
| SA308536 | 18 | ApoE-KO | no treatment |
| SA308537 | 20 | ApoE-KO | no treatment |
| SA308538 | 19 | ApoE-KO | no treatment |
| SA308539 | 8 | wild-type | IL-4 |
| SA308540 | 7 | wild-type | IL-4 |
| SA308541 | 6 | wild-type | IL-4 |
| SA308542 | 5 | wild-type | IL-4 |
| SA308543 | 2 | wild-type | no treatment |
| SA308544 | 3 | wild-type | no treatment |
| SA308545 | 4 | wild-type | no treatment |
| SA308546 | 1 | wild-type | no treatment |
| Showing results 1 to 12 of 12 |
