نتایج جستجو برای: protease inhibitions
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An individual behaves spitefully when it harms itself in the act of harming other individuals. One of the clearest potential examples of spite is the costly production and release of toxins called bacteriocins. Bacteriocins are toxins produced by bacteria that can kill closely related strains of the same species. Theoretical work has predicted that bacteriocin-mediated interactions could play a...
Chloroplast phosphofructokinase from spinach (Spinacia oleracea L.) was purified approximately 40-fold by a combination of fractionations with ammonium sulfate and acetone followed by chromatography on DEAE-Sephadex A-50. Positive cooperative kinetics was observed for the interaction between the enzyme and the substrate fructose 6-phosphate. The optimum pH shifted from 7.7 toward 7.0 as the fru...
Inhibitory responses of rat cerebellar Purkinje cells to locus coeruleus (LC) stimulation and iontophoresis of norepinephrine (NE) were examined before and after administration of morphine to determine whether the inhibitory modulation of NE release by opiates results in a functional impairment in noradrenergic synaptic action. Administration of morphine systemically (0.2-1.2 mg/kg, i.v.) or by...
Recent data have shown that TLR4 performs a key role in cerebral ischemia-reperfusion injury which serves as the origin of the immunological inflammatory reactions. However, the therapeutic effects of pharmacological inhibitions of TLR4 and its immediate down-stream pathway remain to be uncovered. In the present study, on mice, intracerebroventricular injection of resatorvid (TLR4 signal inhibi...
The effects of ketamine, alphaxalone/alphadolone, methohexitone and di-isopropylphenol have been compared on synaptic excitations and inhibitions in the spinal cord of decerebrate or pentobarbitone-anaesthetized cats. Ketamine selectively and reversibly decreased polysynaptic reflexes over a wide dose range. With the other three anaesthetic drugs decreases in reflex activity were accompanied by...
human alpha 1-antitrypsin (aat) cdna was obtained from hepg2 cell lines. after pcr and construction of expression vector ppiczα-aat, human aat was expressed in the yeast pichia pastoris (p.pastoris) in a secretary manner and under the control of inducible alcohol oxidase 1 (aox1) promoter. the amount of aat protein in medium was measured as 60 mg/l 72 hr after induction with methanol. results i...
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