ArticleThe Journal of nutrition2022
Diet Quality Scores Are Positively Associated with Whole Blood-Derived Mitochondrial DNA Copy Number in the Framingham Heart Study.
Article in The Journal of nutrition, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it, 14 citations in OpenAlex.
- A Healthy Diet is Associated with a Lower Risk of Hepatic Fibrosis.The Journal of nutrition · 2023Pooled it
- Mediterranean diet, neutrophil count, and carotid intima-media thickness in secondary prevention: the CORDIOPREV study.European heart journal · 2025Trial
- Prenatal Per- and Polyfluoroalkyl Substances (PFAS) Exposures, Newborn Mitochondrial DNA Copy Number, and the Modifying Role of the Maternal Folate Level.Environmental science & technology · 2025Article
- Ultra-Processed Food and Frailty: Evidence from a Prospective Cohort Study and Implications for Future Research.Nutrients · 2025Article
- A genome on shaky ground: exploring the impact of mitochondrial DNA integrity on Parkinson's disease by highlighting the use of cybrid models.Cellular and molecular life sciences : CMLS · 2022Review
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Authors and funding
11 authors at 4 institutions in 1 country.
Funding
Abstract
backgroundThe association between diet quality and mitochondrial DNA copy number (mtDNA-CN) remains to be examined.
objectivesWe aimed to study the relation between diet quality and mtDNA-CN.
methodsWe analyzed data from 2931 Framingham Heart Study (FHS) participants (mean age of 57 y, 55% females). Whole-genome sequencing was used to calculate mtDNA-CN from whole-blood samples. We examined the cross-sectional associations between 3 diet quality scores, the Dietary Approaches to Stop Hypertension (DASH) score, the Alternative Healthy Eating Index (AHEI), and the Mediterranean diet score (MDS), and mtDNA-CN. Linear mixed models were used to account for maternal lineage.
resultsWe observed that a higher DASH score was positively associated with mtDNA-CN after adjusting for sex, age, energy intake, smoking status, alcohol intake, and physical activity level. A 1-SD increase in the DASH score was associated with a 0.042-SD greater mtDNA-CN (95% CI: 0.007, 0.077; P = 0.02). Similarly, for each SD increase in AHEI and MDS, the mtDNA-CN SD increased by 0.056 (95% CI: 0.019, 0.092; P = 0.003) and 0.047 (95% CI: 0.01, 0.083; P = 0.01), respectively. Diet quality scores were associated with neutrophil and lymphocyte counts but not platelet counts, e.g., for a 1-SD increase in the DASH, neutrophils decreased by 0.8% (95% CI: 0.5%, 1.1%; P = 4.1 × 10-6), lymphocytes increased by 0.7% (95% CI: 0.4%, 1%, P = 1.2 × 10-5), and there was no significant change in platelet number (0.1 × 1000/μL; 95% CI: -1.6, 1.9; P = 0.89). Further adjustment for neutrophil, lymphocyte, and platelet counts and the associations between diet quality scores and mtDNA-CN were completely attenuated to nonsignificant (P = 0.95, 0.54, and 0.91, respectively).
conclusionsWe observed that higher diet quality is associated with a greater whole-blood derived mtDNA-CN in middle-aged to older adult FHS participants, and that blood cell composition, particularly neutrophil counts, attenuated the association between diet quality and mtDNA-CN.
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