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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1985-9-25
pubmed:abstractText
We examined the interrelationship between inhibition of aortic histamine synthesis through inhibition of aortic histidine decarboxylase and intra-aortic albumin accumulation in rats made diabetic by a jugular vein injection of 60 mg/kg of streptozotocin under ether anesthesia. Animals were held for 4 weeks following overt manifestation of diabetes. At the end of 3 weeks, at least six animals in each of the diabetic and non-diabetic groups received intra-peritoneal injections of alpha-hydrazinohistidine (25 mg/kg at 12 h) for the last 7 days. Aortic albumin accumulation was measured by quantification of aortic uptake of fluorescein isothiocyanate conjugated to rat serum albumin injected in the jugular vein 1 h before sacrifice. The aortic albumin mass transfer and flux rates of the diabetic group were more than 300% higher than that of the control group; alpha-hydrazinohistidine treated diabetic rats had aortic albumin mass transfer rates equivalent to control values. The aortic albumin content was nearly tenfold higher in untreated diabetic rats, but again treatment with alpha-hydrazinohistidine returned this to control values. These data offer strong support to the premise that accelerated aortic histamine synthesis, which occurs in experimental diabetes, is an important mediator of increased aortic macromolecule uptake, and as such, may be one component of the multitude of factors responsible for increased susceptibility of atherosclerosis among individuals having diabetes mellitus.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0012-186X
pubmed:author
pubmed:issnType
Print
pubmed:volume
28
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
282-5
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1985
pubmed:articleTitle
Inhibition of aortic histamine synthesis by alpha-hydrazinohistidine inhibits increased aortic albumin accumulation in experimental diabetes in the rat.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't