What question did this study set out to answer?

To investigate the role of C1q in endothelial inflammation related to diabetes and explore its mechanism of action.

April 18, 2026Journal of the American Heart Association0 citationsOpen Access

Targeting Complement Component 1q Ameliorates Diabetic Endothelial Inflammation Via Orphan Nuclear Receptor 4a1–Dependent Suppression of Nuclear Factor κB Signaling

Key Points

To investigate the role of C1q in endothelial inflammation related to diabetes and explore its mechanism of action.
Examined the effects of C1q downregulation on endothelial cells
Analyzed the role of orphan nuclear receptor 4a1 in signaling pathways
Investigated nuclear factor kappa b (NF-κB) activation in the context of diabetes
C1q downregulation significantly reduced endothelial inflammation
Orphan nuclear receptor 4a1 was crucial for suppression of NF-κB signaling
Findings offer insights for potential therapeutic approaches against diabetic vascular complications

Abstract

Together, these findings highlight that C1q downregulation ameliorates endothelial inflammation in diabetes, providing mechanistic insights for developing therapeutic strategies against diabetic vascular complications.

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