{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T20:09:33Z","timestamp":1791835773844,"version":"4.3.4"},"reference-count":62,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"16","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["JAHA"],"published-print":{"date-parts":[[2023,8,15]]},"abstract":"<jats:sec sec-type=\"background\" xml:lang=\"en\">\n            <jats:title>Background<\/jats:title>\n            <jats:p xml:lang=\"en\">The mechanisms determining vascular tone are still not completely understood, even though it is a significant factor in blood pressure management. Many circulating proteins have a significant impact on controlling vascular tone. Progranulin displays anti\u2010inflammatory effects and has been extensively studied in neurodegenerative illnesses. We investigated whether progranulin sustains the vascular tone that helps regulate blood pressure.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec xml:lang=\"en\">\n            <jats:title>Methods and Results<\/jats:title>\n            <jats:p xml:lang=\"en\">\n              We used male and female C57BL6\/J wild type (progranulin\n              <jats:sup>+\/+<\/jats:sup>\n              ) and B6(Cg)\u2010Grn\n              <jats:sup>tm1.1Aidi<\/jats:sup>\n              \/J (progranulin\n              <jats:sup>\u2212\/\u2212<\/jats:sup>\n              ) to understand the impact of progranulin on vascular contractility and blood pressure. We found that progranulin\n              <jats:sup>\u2212\/\u2212<\/jats:sup>\n              mice display elevated blood pressure followed by hypercontractility to noradrenaline in mesenteric arteries, which is restored by supplementing the mice with recombinant progranulin. In ex vivo experiments, recombinant progranulin attenuated the vascular contractility to noradrenaline in male and female progranulin\n              <jats:sup>+\/+<\/jats:sup>\n              arteries, which was blunted by blocking EphrinA2 or Sortilin1. To understand the mechanisms whereby progranulin evokes anticontractile effects, we inhibited endothelial factors. N(gamma)\u2010nitro\u2010L\u2010arginine methyl ester (nitric oxide synthase inhibitor) prevented the progranulin effects, whereas indomethacin (cyclooxygenase inhibitor) affected only the contractility in arteries incubated with vehicle, indicating that progranulin increases nitric oxide and decreases contractile prostanoids. Finally, recombinant progranulin induced endothelial nitric oxide synthase phosphorylation and nitric oxide production in isolated mesenteric endothelial cells.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec xml:lang=\"en\">\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p xml:lang=\"en\">Circulating progranulin regulates vascular tone and blood pressure via EphrinA2 and Sortilin1 receptors and endothelial nitric oxide synthase activation. Collectively, our data suggest that deficiency in progranulin is a cardiovascular risk factor and that progranulin might be a new therapeutic avenue to treat high blood pressure.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/jaha.123.030353","type":"journal-article","created":{"date-parts":[[2023,8,10]],"date-time":"2023-08-10T10:32:55Z","timestamp":1691663575000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":19,"title":["Progranulin Maintains Blood Pressure and Vascular Tone Dependent on EphrinA2 and Sortilin1 Receptors and Endothelial Nitric Oxide Synthase Activation"],"prefix":"10.1161","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-7067-4048","authenticated-orcid":false,"given":"Ariane","family":"Bruder\u2010Nascimento","sequence":"first","affiliation":[{"name":"Department of Pediatrics University of Pittsburgh Pittsburgh PA USA"},{"name":"Center for Pediatrics Research in Obesity and Metabolism (CPROM) Pittsburgh PA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8925-9929","authenticated-orcid":false,"given":"Wanessa M. 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