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A9024
α1-Antitrypsin aus Humanplasma
salt-free, lyophilized powder
Synonym(e):
α1-Proteinase-Inhibitor
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About This Item
Empfohlene Produkte
Biologische Quelle
human plasma
Qualitätsniveau
Assay
≥70% protein basis (biuret)
Form
salt-free, lyophilized powder
Lagertemp.
2-8°C
Angaben zum Gen
human ... ELA2(1991) , SERPINA1(5265)
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Biochem./physiol. Wirkung
Serine protease inhibitor; inhibits trypsin, chymotrypsin and pancreatic and granulocytic elastase, and acrosin. Effective concentration equimolar with proteinase.The effects of hereditary α1-antitrypsin deficiency and certain autoimmune states result from uncontrolled proteolysis in vivo. Direct α1-antitrypsin replacement therapy has shown promise in animal models of Type 1 diabetes.
1-4 mg will inhibit 1.0 mg of trypsin with activity of approx. 10,000 BAEE units per mg protein. 1-6 mg will inhibit 1.0 mg of α-chymotrypsin with activity of >=40 BTEE units per mg protein.
Vorsicht
Wässrige Stammlösungen mit 0.01% NaN3 sind mehrere Monate lang stabil Die Lösungen können bei -80°C aufbewahrt werden, sollten aber nach dem Auftauen nicht wieder eingefroren werden. Instabil unterhalb pH 5.5. Wird inaktiviert durch einige non-serine Proteasen und durch Oxidation der Methionin Seitenkette des aktiven Zentrums.
Angaben zur Herstellung
Chromatographically prepared and partially purified.
Haftungsausschluss
RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Analysenzertifikate (COA)
Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.
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B Halliwell et al.
FEBS letters, 213(1), 15-17 (1987-03-09)
Ascorbic acid, at physiological concentrations, can scavenge the myeloperoxidase-derived oxidant hypochlorous acid at rates sufficient to protect alpha 1-antiprotease against inactivation by this molecule. The rapid depletion of ascorbic acid at sites of inflammation, as in the inflamed rheumatoid joint
M Wasil et al.
The Biochemical journal, 243(3), 867-870 (1987-05-01)
Thiourea and dimethylthiourea are powerful scavengers of hydroxyl radicals (.OH), and dimethylthiourea has been used to test the involvement of .OH in several animal models of human disease. It is shown that both thiourea and dimethylthiourea are scavengers of HOCl
O I Aruoma et al.
The Biochemical journal, 264(3), 863-869 (1989-12-15)
Carnosine, homocarnosine and anserine have been proposed to act as antioxidants in vivo. Our studies show that all three compounds are good scavengers of the hydroxyl radical (.OH) but that none of them can react with superoxide radical, hydrogen peroxide
Roy B Lefkowitz et al.
Analytical chemistry, 82(19), 8251-8258 (2010-09-11)
The ability to measure protease activity in the blood is important for the development of future diagnostics and for biomedical research. Presently, protease assays require sample preparation, making them time-consuming, costly, less accurate, and unsuitable for point-of-care (POC) diagnostics. Recently
B M Bany et al.
Biology of reproduction, 47(4), 514-519 (1992-10-01)
The objective of this study was to investigate the uterine uptake of plasma alpha 1-proteinase inhibitor (53,000 Da) and alpha 2-macroglobulin (725,000 Da) from the blood during implantation in the mouse using isotopic methods. The uterine uptake of albumin (67,000
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