Summary
The guinea-pig,Cavia porcellus, is unusual in possessing plasma L-asparaginase, an enzyme with anti-tumor activity. 21 additional species have been examined as to the presence of this enzyme: the results confirm and extend its remarkably limited species distribution.
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This work was supported in part by grant GM/CA 25378 from the National Institute of General Medical Sciences, National Institutes of Health.
We are grateful to dr Hanna Hensch, Philadelphia Zoological Garden, and Ms Joan Whitla and Dr Richard J. Montali, National Zoological Park/Smithsonian Institution, for samples of frozen serum.
To whom correspondence should be addressed.
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Yurek, E., Peru, D. & Wriston, J.C. On the distribution of plasma L-asparaginase. Experientia 39, 383–385 (1983). https://doi.org/10.1007/BF01963136
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DOI: https://doi.org/10.1007/BF01963136