Abstract：
:We investigated the effects of 4% fructose plus moderately high salt (MHS) (4% NaCl) treatment on tissue aldehyde conjugates, platelet cytosolic free calcium ([Ca2+]i), renal morphology, and systolic blood pressure (SBP) in Wistar-Kyoto rats, and whether these effects were reversible (R) after withdrawal of treatment. At age 7 weeks, rats were divided into 4 groups: NS group, given normal salt (NS) diet (0.7% NaCl) for 18 weeks; NS+F(R) group, NS diet and fructose in water for 14 weeks, then 4 weeks fructose withdrawal; MHS+F group, NS diet and fructose for 6 weeks, then MHS diet and fructose for 12 weeks; and MHS+F(R) group, NS diet and fructose for 6 weeks, then MHS diet and fructose for 8 weeks, then MHS and fructose withdrawal for 4 weeks. SBP in the NS+F(R) group increased during fructose treatment, but normalized within 1 week of withdrawal. Tissue aldehyde conjugates and platelet [Ca2+]i were normal at completion. Adverse renal vascular changes did not reverse to normal and were similar to those of the salt plus fructose-treated groups. This may have implications for future development of hypertension. MHS did not cause any additional increase in SBP or associated tissue alterations when added to fructose treatment. However, the SBP and tissue changes persisted even after discontinuation of treatment. The fructose and salt combination may result in long-lasting vascular alterations leading to hypertension.
journal_name
Can J Physiol Pharmacoljournal_title
Canadian journal of physiology and pharmacologyauthors
Vasdev S,Gill V,Parai S,Gadag Vdoi
10.1139/y06-080subject
Has Abstractpub_date
2007-03-01 00:00:00pages
413-21issue
3-4eissn
0008-4212issn
1205-7541pii
y06-080journal_volume
85pub_type
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