Saratov JOURNAL of Medical and Scientific Research

Ufa scientific centre of the RAS

Molecular-genetic assessment of angiotensin-converting enzyme hyperactivity determinancy risk at hemorrhagic fever with renal syndrome

Year: 2010, volume 6 Issue: №1 Pages: 014-017
Heading: Biochemistry Article type: Original article
Authors: A.A. Baygildina, D.V. Islamgulov, F.Kh. Kamilov, T.A. Khabelova, I.R. Minniakhmetov
Organization: Ufa scientific centre of the RAS, Bashkir State Medical University of the Russian Health Care
Summary:

The research aimed to explore the changes of angiotensin-converting enzyme (ACE) blood activity and polymorphism of the angiotensin II type 1 receptor gene as disease predictor at hemorrhagic fever with renal syndrome (HFRS). In exami¬nation 409 patients at the age of 15-65 years were involved. ACE blood activity with the help of Bbhlmann (Switzerland) ACE kinetic test was determined. Blood genomic DNA by phenol- chloroformic extraction was isolated, genetic locuses by polymerase chain reaction of DNA synthesis were researched. It was shown that the ACE blood activity at HFRS is risen and these changes the significanter the severer form of disease. Nonsignificant rising of enzyme activity only in feveric period of both ungravic and gravic forms was observed. In gravic form significant changes of ACE activity are observed, in complicated form - stable high enzyme activity during all disease took place. Analysis of angiotensin II type 1 receptor gene polymorphism shown that alleles *A1166 and *C1166, genotypes *A1166/*A1166 and *C1166/*C1166 are not associated with HFRS severity. Made conclusion that high ACE activity is not adaptive reaction due to defect in angiotensin II binding and it is an adequate metabolic response of an organism to endotheliotropic virus action

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