ArticleThe Journal of clinical investigation2025
A smooth muscle cell lncRNA controls angiogenesis in chronic limb-threatening ischemia through miR-143-3p/HHIP signaling.
Article in The Journal of clinical investigation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- TheNon-coding RNA · 2026Article
- A recombinant humanized type III collagen coating with anti-inflammatory and endothelialization-promoting effects for left atrial appendage closure devices.Regenerative biomaterials · 2026Article
- CARMN orchestrates angiogenesis from behind the opera scenes: signing love letters to the endothelium.The Journal of clinical investigation · 2025Article
Corrections and comments
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Authors and funding
16 authors.
Funding
Abstract
Peripheral artery disease (PAD) often advances to chronic limb-threatening ischemia (CLTI), resulting in severe complications such as limb amputation. Despite the potential of therapeutic angiogenesis, the mechanisms of cell-cell communication and transcriptional changes driving PAD are not fully understood. Profiling long noncoding RNAs (lncRNAs) from gastrocnemius muscles of participants with or without CLTI revealed that a vascular smooth muscle cell-enriched (SMC-enriched) lncRNA, CARMN, was reduced with CLTI. This study explored how a SMC lncRNA-miRNA signaling axis regulates angiogenesis in limb ischemia. CARMN-KO mice exhibited reduced capillary density and impaired blood flow recovery and tissue necrosis following limb ischemia. We found that CARMN-KO SMC supernatants inhibited endothelial cell (EC) proliferation, spheroid sprouting, and network formation. RNA-seq identified downregulation of the Hedgehog signaling pathway in CARMN-KO models and revealed that CARMN regulates this pathway through its downstream miRNA, miR-143-3p, which targets Hedgehog-interacting protein (HHIP), an antagonist of Hedgehog signaling. Delivery of HHIP-specific siRNA or miR-143-3p mimics rescued EC angiogenic defects and improved blood flow recovery in both CARMN-KO and WT mice. These findings underscore the critical role of CARMN in modulating angiogenesis through the miR-143-3p-HHIP-Hedgehog signaling axis, providing insights into SMC-EC interactions and potential therapeutic strategies for CLTI.
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Registered trials
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