ArticleInflammation research : official journal of the European Histamine Research Society ... [et al.]2025
Renal denervation alleviates neuroinflammation by suppressing the microglial Ifi27l2a/cGAS-STING signaling axis.
Article in Inflammation research : official journal of the European Histamine Research Society ... [et al.], 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Effects of Kongsheng Zhenzhong Pills on Neuroinflammation and cGAS-STING Pathway Activity in BV-2 Microglia.Biomedicines · 2026Article
- Silencing of Ifi27l2a Attenuates Inflammation After Spinal Cord Injury by Regulating Microglial Polarization via JAK2/STAT3 Signaling.Molecular neurobiology · 2026Article
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Authors and funding
6 authors.
Funding
Abstract
objectiveHypertension remains a global health crisis, with conventional therapies failing in 40% of patients. Renal denervation (RDN) has emerged as a promising therapeutic alternative for resistant hypertension; however, the mechanisms underlying its antihypertensive effects remain unclear. Ifi27l2a, an interferon-stimulated gene, is implicated in neuroinflammatory processes. Therefore, we investigated the hypertensive mechanisms of RDN, focusing on its effects on Ifi27l2a expression.
methodsCells from the single-cell RNA sequencing datasets were analyzed via clustering and cell type identification to delineate microglial populations impacted by RDN. In vivo experiments were conducted to validate changes in Ifi27l2a expression and cyclic GMP-AMP synthase (cGAS)-STING pathway activation. In vitro, siRNA-mediated Ifi27l2a knockdown in BV2 microglia was employed to evaluate its effects on cGAS-STING pathway activation and cytokine release.
resultsSingle-cell RNA sequencing revealed significant Ifi27l2a downregulation in microglia following RDN. In vivo, cGAS-STING signaling was significantly downregulated, as indicated by decreased cGAS, p-STING, and p-IRF3 expression, which correlated with attenuated neuroinflammatory responses. In vitro validation with Ifi27l2a-knockdown BV2 cells demonstrated coordinated downregulation of inflammatory cytokines and attenuated cGAS-STING pathway activity, confirming its regulatory role in neuroinflammation.
conclusionsIfi27l2a is a crucial link between RDN and neuroinflammation resolution, offering a therapeutic target for resistant hypertension.
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