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Tissue-specific 1H-NMR metabolomic profiling in mice with adenine-induced chronic kidney disease - organic phase Kidney (part-II)

ABSTRACT:

ORGANISM(S): Mus Musculus

TISSUE(S): Kidney

DISEASE(S): Chronic Kidney Disease

PROVIDER: ST001625 | MetabolomicsWorkbench |

REPOSITORIES: MetabolomicsWorkbench

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Tissue-Specific 1H-NMR Metabolomic Profiling in Mice with Adenine-Induced Chronic Kidney Disease.

Project description:Chronic kidney disease (CKD) results in the impaired filtration of metabolites, which may be toxic or harmful to organs/tissues. The objective of this study was to perform unbiased 1H nuclear magnetic resonance (NMR)-based metabolomics profiling of tissues from mice with CKD. Five-month-old male C57BL6J mice were placed on either a casein control diet or adenine-supplemented diet to induce CKD for 24 weeks. CKD was confirmed by significant increases in blood urea nitrogen (24.1 ± 7.7 vs. 105.3 ± 18.3 mg/dL, p < 0.0001) in adenine-fed mice. Following this chronic adenine diet, the kidney, heart, liver, and quadriceps muscles were rapidly dissected; snap-frozen in liquid nitrogen; and the metabolites were extracted. Metabolomic profiling coupled with multivariate analyses confirm clear separation in both aqueous and organic phases between control and CKD mice. Severe energetic stress and apparent impaired mitochondrial metabolism were observed in CKD kidneys evidenced by the depletion of ATP and NAD+, along with significant alterations in tricarboxylic acid (TCA) cycle intermediates. Altered amino acid metabolism was observed in all tissues, although significant differences in specific amino acids varied across tissue types. Taken together, this study provides a metabolomics fingerprint of multiple tissues from mice with and without severe CKD induced by chronic adenine feeding.

| S-EPMC7827497 | biostudies-literature

Tissue-specific 1H-NMR metabolomic profiling in mice with adenine-induced chronic kidney disease - organic phase Liver (part-VI)