The role of the kinin system in the development of extra- and intracerebral complications in the acute period of severe craniocerebral trauma was studied from complex clinical and biochemical examination. The authors substantiate the expediency of applying corrective antiproteolytic therapy, in which case the predominant trend of its action--inhibition of kinin production in the vascular bed or on the tissue level--must be taken into account. The time, duration, and methods of Contrykal administration were developed.
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Anesthesiology
April 2018
From the Department of Anesthesiology (T.B., C.B., R.R., J.G., H.D., C.S.B.), the Department of Intensive and Intermediate Care (T.B., G.M., C.S.B.), and the Institute of Neuropathology (J.W.), Rheinisch-Westfalian Technical University Aachen, Aachen, Germany; and the Laboratory of Pneumology, Catholic University of Leuven, Leuven, Belgium (A.D., G.G.-R.).
Background: Anesthetics in ventilated patients are critical as any cofactor hampering diaphragmatic function may have a negative impact on the weaning progress and therefore on patients' mortality. Dexmedetomidine may display antioxidant and antiproteolytic properties, but it also reduced glucose uptake by the muscle, which may impair diaphragm force production. This study tested the hypothesis that dexmedetomidine could inhibit ventilator-induced diaphragmatic dysfunction.
View Article and Find Full Text PDFObjective: to study the influence of experimental uveitis on those biochemical parameters of aqueous humor that reflect inflammation acuity as well as local antioxidant and local antiproteolytic activity; to study the effect of topical superoxide dismutase (SOD) on the clinical course of uveitis and ocular metabolism.
Material And Methods: Acute uveitis was induced in rabbits by a double injection (subcutaneous and intravitreal) of normal horse serum. The following parameters of aqueous humor were measured: protein concentration, antioxidant activity, SOD activity, alpha2-macroglobulin level, total nitrates and nitrites, and leukocyte number.
Anticancer Res
June 2005
Bucknell University, Department of Biology, Lewisburg, Pennsylvania 17837, USA.
Proteases and their inhibitors have long been investigated in numerous tumor systems, and at the tumor growing front, their balance has been universally found to be shifted towards higher proteolytic activities. However, out of many promising serine and metalloproteinase inhibitors, none are included in cancer treatment regimens at present. The current search for active antiproteolytic compounds is in contrast to the classical approach developed by John Beard, who suggested treating advanced cancer by fresh pancreatic extracts whose antitumor activity was based on their proteolytic potential.
View Article and Find Full Text PDFProtein Expr Purif
April 1993
Bunge Scientific, North Melbourne, Victoria, Australia.
During the development of a novel solubilization procedure (1) for bacterial inclusion bodies (IB's) using the cationic surfactant cetyltrimethylammonium chloride (CTAC; (CH3)3-N(+)-C16H33Cl) significant proportions of an apparently truncated, lower molecular weight (MW) variant form of recombinant pig growth hormone (rPGH) were observed on sodium dodecyl sulfate-polyacrylamide gel electrophoresis relative to pig pituitary derived GH. The formation of this rPGH-like species, designated P-band, was found to occur in vitro during solubilization of IB's by CTAC and was dependent on pH and temperature of solubilization, but was not due directly to the use of CTAC, as purified soluble rPGH of the correct MW could not be converted to P-band by exposure to CTAC alone. The bacterial proteolysis suspected as being responsible for the in vitro formation of P-band could not be inhibited by the use of a "cocktail" of defined antiproteolytic agents but was inhibited by pH and temperature, and by solubilization of IB's in 5% SDS, 6 M gnHCl or 7.
View Article and Find Full Text PDFZh Vopr Neirokhir Im N N Burdenko
May 1988
The role of the kinin system in the development of extra- and intracerebral complications in the acute period of severe craniocerebral trauma was studied from complex clinical and biochemical examination. The authors substantiate the expediency of applying corrective antiproteolytic therapy, in which case the predominant trend of its action--inhibition of kinin production in the vascular bed or on the tissue level--must be taken into account. The time, duration, and methods of Contrykal administration were developed.
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