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Kallikrein-binding protein was purified to apparent homogeneity from rat serum by Affi-Gel Blue, DEAE-Sepharose CL-6B, Sephacryl S-200 chromatography, and preparative gel electrophoresis or high performance liquid chromatography. The purified protein migrates as a single band of 60 kDa in a sodium dodecyl sulfate-polyacrylamide gel under reducing(More)
In the northern China steppe, overgrazing has decreased the abundance of many species that were originally dominant, but increased the abundance of Artemisia frigida. We aimed to determine whether the adaptive and competitive abilities of A. frigida are associated with allelopathy. Soil nutrient characteristics could not explain the poor growth of the(More)
Because myristic acid (14:0) is important in regulating cell function, we have studied its utilization in BC3H1 muscle cells. Phosphatidylcholine contained 70-80% of the [9,10-3H]14:0 radioactivity incorporated into the cell phospholipids. In both myoblasts and myocytes, however, large amounts of radioactivity also accumulated in a labile neutral lipid pool(More)
Bovine aortic endothelial cells take up 12-hydroxyeicosatetraenoic acid (12-HETE), a lipoxygenase product formed from arachidonic acid. The uptake of [3H]12-HETE reached a maximum in 2 to 4 h. At this time, from 75 to 80% of the incorporated radioactivity was contained in phospholipids, about 85% of the esterified radioactivity remained in the form of(More)
Chinese hamster ovary (CHO) cells convert [9,10-3H]myristic acid ([3H]14:0) to several lipid-soluble, radioactive metabolites that are released into the medium. The main products are lauric (12:0) and decanoic (10:0) acids. Some of the 12:0 formed also is retained in cell lipids. Similar metabolites are not synthesized from palmitic (16:0), oleic (18:1), or(More)
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