{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T07:32:36Z","timestamp":1777793556006,"version":"3.51.4"},"reference-count":42,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[1983,12,1]],"date-time":"1983-12-01T00:00:00Z","timestamp":439084800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Cereb Blood Flow Metab"],"published-print":{"date-parts":[[1983,12]]},"abstract":"<jats:p>\n                    The effect of adenosine on intraparenchymal cerebral blood flow was examined in conscious rabbits with the\n                    <jats:sup>133<\/jats:sup>\n                    Xe clearance technique. Perivascular application of 10\n                    <jats:sup>\u22123<\/jats:sup>\n                    and 10\n                    <jats:sup>\u22124<\/jats:sup>\n                    M adenosine to hypothalamic blood vessels increased hypothalamic blood flow by \u223c50% (p &lt; 0.005). This vasodilatation was attenuated by the intrahypothalamic injection of the \u03b2-adrenergic receptor antagonist propranolol, but was unaffected by \u03b1-adrenoreceptor blockade with phenoxybenzamine, or depression of neuronal activity with barbiturate. 2-Chloroadenosine, a stable analogue of adenosine, also increased hypothalamic blood flow by 50% (p &lt; 0.005), but this dilatation was unaffected by propranolol. These results suggest that adenosine increased hypothalamic blood flow at high concentrations by vascular receptor systems dependent on adenosine receptors and adrenergic receptors. Adenosine (10\n                    <jats:sup>\u22126<\/jats:sup>\n                    M) reduced hypothalamic blood flow by \u223c25% (p &lt; 0.005). This vasoconstriction was unaffected by adrenergic blockade with propranolol or phenoxybenzamine, or by inhibition of neuronal activity with barbiturate. The results suggest that adenosine decreases hypothalamic blood flow at low concentrations by stimulation of adenosine receptors associated with vascular smooth muscle.\n                  <\/jats:p>","DOI":"10.1038\/jcbfm.1983.81","type":"journal-article","created":{"date-parts":[[2011,4,8]],"date-time":"2011-04-08T00:40:20Z","timestamp":1302223220000},"page":"529-534","source":"Crossref","is-referenced-by-count":7,"title":["Adenosine Causes Dilatation and Constriction of Hypothalamic Blood Vessels"],"prefix":"10.1177","volume":"3","author":[{"given":"P.","family":"Livemore","sequence":"first","affiliation":[{"name":"MRC\/University Circulation Research Unit, Department of Physiology, University of the Witwatersrand Medical School, Parktown, South Africa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.","family":"Mitchell","sequence":"additional","affiliation":[{"name":"MRC\/University Circulation Research Unit, Department of Physiology, University of the 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