Abstract:
:The balance between matrix metalloproteinases (MMP) and their tissue inhibitors (TIMP) plays a key role in the development of hypertension and obesity. We aimed to evaluate the levels of MMP-2 and 9 and TIMP-2 and -1 in obese and non-obese apparent treatment-resistant hypertensive subjects (aTRH) and its association with cardiac hypertrophy. This cross-sectional study enrolled 122 subjects and divided into obese aTRH (n = 67) and non-obese (n = 55) group. Clinical and biochemical data were compared between both groups, including office BP, ambulatory BP, plasma MMP-2 and 9, TIMP-2 and 1 and left ventricular mass index (LVMI). We found higher MMP-9 levels and MMP-9/TIMP-1 ratio in obese aTRH subjects but no difference in MMP-2 and TIMP-1 levels. Obesity influenced MMP-9 levels [β = 20.8 SE =8.6, p = 0.02) independently of potential confounders. In addition, we found a positive correlation between MMP-9 and anthropomorphic parameters. Finally, obese aTRH subjects with left ventricular hypertrophy (LVH) had greater MMP-9 levels compared with non-obese with LVH. Our study suggests that MMP-9 levels are influenced by obesity and may directly participate in the progressive LV remodelling process, suggesting a possible role for a higher cardiovascular risk in apparent resistant hypertensive subjects.
journal_name
Blood Pressjournal_title
Blood pressureauthors
Ritter AM,de Faria AP,Barbaro N,Sabbatini AR,Corrêa NB,Brunelli V,Amorim R,Modolo R,Moreno Hdoi
10.1080/08037051.2016.1249336subject
Has Abstractpub_date
2017-04-01 00:00:00pages
122-129issue
2eissn
0803-7051issn
1651-1999journal_volume
26pub_type
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