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Publications (2)17.28 Total impact

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    Article: Some features of intestinal absorption of intact fibrinolytic enzyme III-1 from Lumbricus rubellus.
    Q Fan, C Wu, L Li, R Fan, Q Hou, R He
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    ABSTRACT: In order to investigate whether earthworm fibrinolytic enzyme III-1 (EFE-III-1) isolated from Lumbricus rubellus is capable of transporting into blood through intestinal epithelium and keeping its biological function in circulation, we have raised an antibody against EFE-III-1. The immunological results showed that 10-15% of intact EFE-III-1 was absorbed by the intestinal epithelium with the incubation chamber method [Vilhardt and Lundin, Acta Physiol. Scand. 126 (1986) 601-607]. The enzyme could be detected in the intestinal epithelial cells by immunohistochemistry. Furthermore, immunoreactive intact EFE-III-1 was found in serum or plasma after intraperitoneal injection of rats. Approx. 10% of the full-size enzyme could transport through the intestinal epithelium. The maximum remaining activity in blood could be assayed around 60 min after the intraperitoneal injection.
    Biochimica et Biophysica Acta 07/2001; 1526(3):286-92. · 4.66 Impact Factor
  • Article: Crystallization and preliminary X-ray analysis of earthworm fibrinolytic enzyme component A from Eisenia fetida.
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    ABSTRACT: Earthworm fibrinolytic enzyme component A, a protein which functions both as a direct fibrinolytic enzyme and a plasminogen activator, was purified from the earthworm Eisenia fetida. Diffraction-quality single crystals of the protein were grown by the hanging-drop vapour-diffusion technique with ammonium sulfate as a precipitant. The crystals belong to the orthorhombic space group P2(1)2(1)2(1), with unit-cell parameters a = 40.6, b = 127.5, c = 129.2 A and three molecules per asymmetric unit. The data set reached a resolution of 1.95 A.
    Acta Crystallographica Section D Biological Crystallography 01/2001; 56(Pt 12):1659-61. · 12.62 Impact Factor