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Fasting and Glucose Metabolism Differentially Impact Peripheral Inflammation in Human Type 2 Diabetes.
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- Author(s): Kalantar GH;Kalantar GH; Saraswat S; Saraswat S; SantaCruz-Calvo S; SantaCruz-Calvo S; Gholamrezaeinejad F; Gholamrezaeinejad F; Javidan A; Javidan A; Agrawal M; Agrawal M; Liu R; Liu R; Kern PA; Kern PA; Kern PA; Zhang XD; Zhang XD; Nikolajczyk BS; Nikolajczyk BS; Nikolajczyk BS; Nikolajczyk BS
- Source:
Nutrients [Nutrients] 2024 May 07; Vol. 16 (10). Date of Electronic Publication: 2024 May 07.- Publication Type:
Journal Article- Language:
English - Source:
- Additional Information
- Source: Publisher: MDPI Publishing Country of Publication: Switzerland NLM ID: 101521595 Publication Model: Electronic Cited Medium: Internet ISSN: 2072-6643 (Electronic) Linking ISSN: 20726643 NLM ISO Abbreviation: Nutrients Subsets: MEDLINE
- Publication Information: Original Publication: Basel, Switzerland : MDPI Publishing
- Subject Terms:
- Abstract: Cytokines produced by peripheral T-helper 1/17 cells disproportionately contribute to the inflammation (i.e., metaflammation) that fuels type 2 diabetes (T2D) pathogenesis. Shifts in the nutrient milieu could influence inflammation through changes in T-cell metabolism. We aimed to determine whether changes in glucose utilization alter cytokine profiles in T2D. Peripheral blood mononuclear cells (PBMCs), CD4 + T-cells, and CD4 + CD25 - T-effector (T
eff ) cells were isolated from age-matched humans classified by glycemic control and BMI. Cytokines secreted by CD3/CD28-stimulated PBMCs and Teff were measured in supernatants with multiplex cytokine assays and a FLEXMAP-3D. Metabolic activity of stimulated CD4 + T-cells was measured by a Seahorse XFe96 analyzer. In this study, we demonstrated that T-cell stimulated PBMCs from non-fasted people with T2D produced higher amounts of cytokines compared to fasting. Although dysglycemia characterizes T2D, cytokine production by PBMCs or CD4 + T-cells in T2D was unaltered by hyperglycemic media. Moreover, pharmacological suppression of mitochondrial glucose oxidation did not change T-cell metabolism in T2D, yet enhanced cytokine competency. In conclusion, fasting and glucose metabolism differentially impact peripheral inflammation in human T2D, suggesting that glucose, along with fatty acid metabolites per our previous work, partner to regulate metaflammation. These data expose a major disconnect in the use of glycemic control drugs to target T2D-associated metaflammation. - References: Front Pharmacol. 2022 Dec 21;13:1049094. (PMID: 36618937)
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- Contributed Indexing: Keywords: Hba1C; cytokines; extracellular flux; glycemic control; obesity; partial least squares discriminant analysis; systemic inflammation
- Accession Number: 0 (Cytokines)
0 (Blood Glucose)
IY9XDZ35W2 (Glucose) - Publication Date: Date Created: 20240525 Date Completed: 20240525 Latest Revision: 20240527
- Publication Date: 20240527
- Accession Number: PMC11124302
- Accession Number: 10.3390/nu16101404
- Accession Number: 38794641
- Source:
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