{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T14:23:16Z","timestamp":1793110996839,"version":"4.5.0"},"reference-count":39,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2021,4,30]],"date-time":"2021-04-30T00:00:00Z","timestamp":1619740800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>In this study, we evaluated the effect of eight weeks of administration of 10% fructose solution to adult Wistar Kyoto (WKY) rats on systolic blood pressure (SBP), plasma and biometric parameters, vasoactive properties of the thoracic aorta (TA), NO synthase (NOS) activity, and the expression of enzymes producing NO and H2S. Eight weeks of fructose administration did not affect SBP, glycaemia, or the plasma levels of total cholesterol or low-density and high-density lipoprotein; however, it significantly increased the plasma levels of \u03b3-glutamyl transferase and alanine transaminase. Chronic fructose intake deteriorated endothelium-dependent vasorelaxation (EDVR) and increased the sensitivity of adrenergic receptors to noradrenaline. Acute NOS inhibition evoked a reduction in EDVR that was similar between groups; however, it increased adrenergic contraction more in fructose-fed rats. CSE inhibition decreased EDVR in WKY but not in fructose-fed rats. The application of a H2S scavenger evoked a reduction in the EDVR in WKY rats and normalized the sensitivity of adrenergic receptors in rats treated with fructose. Fructose intake did not change NOS activity but reduced the expression of eNOS and CBS in the TA and CSE and CBS in the left ventricle. Based on our results, we could assume that the impaired vascular function induced by increased fructose intake was probably not directly associated with a decreased production of NO, but rather with impairment of the NO\u2013H2S interaction and its manifestation in vasoactive responses.<\/jats:p>","DOI":"10.3390\/ijms22094749","type":"journal-article","created":{"date-parts":[[2021,4,30]],"date-time":"2021-04-30T05:10:55Z","timestamp":1619759455000},"page":"4749","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Fructose Intake Impairs the Synergistic Vasomotor Manifestation of Nitric Oxide and Hydrogen Sulfide in Rat Aorta"],"prefix":"10.3390","volume":"22","author":[{"given":"Andrea","family":"Berenyiova","sequence":"first","affiliation":[{"name":"Institute of Normal and Pathological Physiology, Centre of Experimental Medicine Slovak Academy of Sciences, 841 04 Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel","family":"Golas","sequence":"additional","affiliation":[{"name":"Institute of Normal and Pathological Physiology, Centre of Experimental Medicine Slovak Academy of Sciences, 841 04 Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Magdalena","family":"Drobna","sequence":"additional","affiliation":[{"name":"Institute of Normal and Pathological Physiology, Centre of Experimental Medicine Slovak Academy of Sciences, 841 04 Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0132-670X","authenticated-orcid":false,"given":"Martina","family":"Cebova","sequence":"additional","affiliation":[{"name":"Institute of Normal and Pathological Physiology, Centre of Experimental Medicine Slovak Academy of Sciences, 841 04 Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sona","family":"Cacanyiova","sequence":"additional","affiliation":[{"name":"Institute of Normal and Pathological Physiology, Centre of Experimental Medicine Slovak Academy of Sciences, 841 04 Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,4,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"136","DOI":"10.1016\/j.jnutbio.2018.03.021","article-title":"Differential effects of high consumption of fructose or glucose on mesenteric arterial function in female rats","volume":"57","author":"Shaligram","year":"2018","journal-title":"J. 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