News summary

MGST3 defines a mitochondrial-health-associated M2 macrophage state in atherosclerosis: integrative multi-omics, single-cell mediation, and functional validation

Source: Frontiers - Health • Published: 17 Sept 2026, 00:00

Summarized by Masters of Longevity from Frontiers - Health.

Reports that MGST3 marks an M2-like macrophage state with preserved mitochondrial function in atherosclerotic plaques and links to lower inflammation.

MGST3 defines a mitochondrial-health-associated M2 macrophage state in atherosclerosis: integrative multi-omics, single-cell mediation, and functional validation
Key Takeaways
  • MGST3 was prioritized by integrative WGCNA, machine learning, and MR as the top mitochondrial-associated candidate gene for atherosclerosis.
  • Two-sample Mendelian randomization found higher genetically predicted MGST3 expression associated with lower CAD/CHD risk (training OR 0.989; test OR 0.977).
  • MGST3-high M2-like macrophages showed OXPHOS-oriented, antioxidant transcriptional profiles and knockdown reduced M2 and mitochondrial transcripts while increasing pro-inflammatory transcripts.
Read the full article at Frontiers - Health

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