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Plasma protein C and serine protease inhibitors together with some other hemostasis parameters have been determined in 60 patients with essential hypertension. Significant decrease in protein C and alpha 2-antiplasmin levels, increased fibrinogen, fibrinopeptide A, WF: Ag, plasminogen, and
Calpain, a calcium-dependent, neutral cysteine-protease was purified from the erythrocyte cytosol of subjects having essential hypertension (HTN), sickle cell anaemia, (SCA), or kwashiorkor (KWA). Identical electrophoretic mobility on SDS-polyacrylamide gradient gel, sensitivity to micromolar
The relation of plasma renin activity (PRA) and plasma levels of angiotensin I (AI) and II (AII) to those of various proteases, including eight endopeptidases and four aminopeptidases, was investigated in 51 normal control subjects. The multivariate study using factor analysis showed that the plasma
The widespread clinical study of converting-enzyme inhibitors has shown that they are effective antihypertensive drugs even in patients who may manifest either normal or decreased plasma renin activity. This suggests either that renin in a site other than plasma may play a contributory role in
BACKGROUND
Calpains are cytoplasmic proteases widely distributed among eucaryotic cells. Low levels of calpain activity were found in hypertrophic hearts from hypertensive rats, but its role in hypertrophic hearts from human hypertensives is unknown. Therefore, calpain activity was investigated in
BACKGROUND
It has been reported that the equilibrium between the erythrocyte protease calpain I and its physiological inhibitor calpastatin is disrupted in patients with essential hypertension.
OBJECTIVE
To investigate the activity of non-purified calpain I in hemolysates against the erythrocytic
The human plasma kallikrein gene (KLKB1) encodes plasma kallikrein, a serine protease that catalyzes the release of kinins and other vasoactive peptides and may be involved in the pathogenesis of hypertension. In this study, we performed a haplotype-based study to assess the effect of common genetic
Literature remains scarce on the impact of antiretroviral medications on hypertension in the HIV population. We used the South Carolina Medicaid database linked with the enhanced HIV/AIDS system surveillance database for 1994-2011 to evaluate incident hypertension and the impact of combination
The matrix metalloproteinases/tissue inhibitors of metalloproteinases system is involved in the regulation of extracellular matrix metabolism, which plays a crucial role with regards to maintenance of tissue integrity. During the occurrence of vascular pathologies including hypertension, the balance
The kidney has a central role in the regulation of blood pressure, in large part through its role in the regulated reabsorption of filtered Na(+). Epithelial Na(+) channels (ENaCs) are expressed in the most distal segments of the nephron and are a target of volume regulatory hormones. A variety of
Large multifunctional protease LMP2 (Arg60-->His), LMP7 (Lys145-->Gln) and PSMA6 (C(-8)-->G) gene allelic polymorphisms in 147 young patients with essential hypertension and in 208 practically healthy people were determinated. It was shown that interrelation of genotypes Arg/Arg, Arg/His and His/His
Prostasin is a glycosylphosphatidylinositol-anchored serine protease that is released in urine and is involved in epithelial Na channel activation. A direct association between urinary prostasin (u-prostasin) concentration and activation of the aldosterone-driven pathway has been suggested; however,
Although renin was identified as playing a part in cardiovascular homeostasis by the experiments of Goldblatt in the 1930s, neither its physiological role in organs other than the kidney nor its contribution to the genesis of essential hypertension have been defined. It is difficult to interpret
Although renin was identified as playing a role in cardiovascular homeostasis by the experiments of Goldblatt in the 1930's, neither its physiologic role in organs other than the kidney nor its contribution to the genesis of essential hypertension has been defined as yet. It is difficult to
The specific renin (EC 3.4.99.19) activity in the adrenal of spontaneously hypertensive rats was determined by a method that is capable of distinguishing renin from nonspecific renin-like activity of proteases by using specific antibody to renin. The renin level in the adrenals of adult