| 2114874 |
Wong NS, Lau HK: A study of tissue plasminogen activator forms from human small intestine. . Biochem Int. 1990;20(6):1149-59.
At least two forms of plasminogen activators which crossreacted with antiserum against tissue plasminogen activator (tPA) have been found in human small intestine homogenates. One of these activities has very slow mobility on Sephadex G-200 and is presumably a degraded form of tPA. The other moved very fast and was dispersed on gel filtration matrices, and probably represents aggregates of tPA with some other materials. Whereas 1 M NaCl, 1% Triton X-100 or 1 M potassium thiocyanate was unable to break up these aggregates, the high molecular weight components co-migrating with tPA could be separated from tPA by 4 M guanidine-HCl. |
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