ArticleHypertension (Dallas, Tex. : 1979)2023
Amount of Pannexin 1 in Smooth Muscle Cells Regulates Sympathetic Nerve-Induced Vasoconstriction.
Article in Hypertension (Dallas, Tex. : 1979), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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
10 citing papers in PubMed, 11 citations in OpenAlex.
- Pannexin 1 phosphorylation sites differentially modulate channel activity and physiological outcomes.bioRxiv : the preprint server for biology · 2026Article
- Panx1 and drug discovery: from non-specific inhibitors to tailored drug compounds.Cell and tissue research · 2026Review
- Pannexins in the vasculature.American journal of physiology. Heart and circulatory physiology · 2025Review
- Pannexin channels in the kidney.American journal of physiology. Renal physiology · 2025Review
- Arterial Myocyte Pannexin 1 Channel Controls Vascular Reactivity in Diabetic Hyperglycemia.Circulation research · 2025Article
- Pannexin1 via P2rx7/amphiregulin contributes to cardiac fibrosis post myocardial infarction.Journal of molecular histology · 2025Article
- Pericyte pannexin1 controls cerebral capillary diameter and supports memory function.Nature communications · 2025Article
- The Cells of the Vasculature: Advances in the Regulation of Vascular Tone in the Brain and Periphery.Basic & clinical pharmacology & toxicology · 2025Review
- Dual Regulatory Roles of Pannexin 1 in the Pathogenesis and Recovery of Sepsis-Induced Acute Lung Injury.Infection and drug resistance · 2025Review
- Connexin43, A Promising Target to Reduce Cardiac Arrhythmia Burden in Pulmonary Arterial Hypertension.International journal of molecular sciences · 2024Review
Corrections and comments
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Authors and funding
9 authors at 5 institutions in 1 country.
Funding
Abstract
backgroundPanx1 (pannexin 1) forms high conductance channels that secrete ATP upon stimulation. The role of Panx1 in mediating constriction in response to direct sympathetic nerve stimulation is not known. Additionally, it is unknown how the expression level of Panx1 in smooth muscle cells (SMCs) influences α-adrenergic responses. We hypothesized that the amount of Panx1 in SMCs dictates the levels of sympathetic constriction and blood pressure.
methodsTo test this hypothesis, we used genetically modified mouse models enabling expression of Panx1 in vascular cells to be varied. Electrical field stimulation on isolated arteries and blood pressure were assessed.
resultsGenetic deletion of SMC Panx1 prevented constriction by electric field stimulation of sympathetic nerves. Conversely, overexpression of Panx1 in SMCs using a ROSA26 transgenic model increased sympathetic nerve-mediated constriction. Connexin 43 hemichannel inhibitors did not alter constriction. Next, we evaluated the effects of altered SMC Panx1 expression on blood pressure. To do this, we created mice combining a global Panx1 deletion, with ROSA26-Panx1 under the control of an inducible SMC specific Cre (Myh11). This resulted in mice that could express only human Panx1, only in SMCs. After tamoxifen, these mice had increased blood pressure that was acutely decreased by the Panx1 inhibitor spironolactone. Control mice genetically devoid of Panx1 did not respond to spironolactone.
conclusionsThese data suggest Panx1 in SMCs could regulate the extent of sympathetic nerve constriction and blood pressure. The results also show the feasibility humanized Panx1-mouse models to test pharmacological candidates.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.