Abstract：
:It has recently been established that carotid bodies play a significant role in the regulation of activities of the cardiovascular system as well as in the pathogenesis of arterial hypertension, heart failure and diabetes. Aim of study was to determinate the influence of polymorphisms within genes of the renin-angiotensin-aldosterone system (RAAS) on the volume of the carotid bodies (CB) in patients with hypertension (HTA). The study group consisted of 77 patients with HTA. All patients were genotyped for single-nucleotide polymorphisms of genes coding for: angiotensinogen: rs4762, rs5049, rs5051 and rs699; angiotensin-converting enzyme: rs4343; angiotensin receptor type 1 gene (AGTR1): rs5182 and rs5186; and the aldosterone synthase: rs1799998. The estimation of volumes of CB (VrCB+lCB) was based on computed tomography angiography. Among individuals with essential hypertension certain relationships were documented between rs5182 and rs5186 polymorphisms of AGTR1 gene and rs1799998 polymorphism of CYP11B2 gene on one hand and the volume of carotid bodies on one other. Patients carrying the C alleles within the rs5182 and rs5186 of AGTR1 gene was associated with higher values of VrCB+lCB. The carriage of the T allele in the rs5182 locus of the AGTR1 gene determine lower values of VrCB+lCB. In summary, in patients with HTA a higher volume of CB may be resulted from the presence of specific genotypes in RAAS.
journal_name
Respir Physiol Neurobioljournal_title
Respiratory physiology & neurobiologyauthors
Jaźwiec P,Gać P,Chaszczewska-Markowska M,Bogunia-Kubik K,Mazur G,Poręba Rdoi
10.1016/j.resp.2018.04.001subject
Has Abstractpub_date
2018-08-01 00:00:00pages
10-15eissn
1569-9048issn
1878-1519pii
S1569-9048(17)30472-Xjournal_volume
254pub_type
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