Abstract
Biosynthetic studies in alpha-heavy chain disease were performed on the gut tumour which was composed mainly of lymphoplasmocytic cells and on the mesenteric lymph node tumour composed mainly of immunoblasts. The gut tumour cells synthesised alpha-heavy chains and secreted them during 2-5 hr culture, whereas the lymph node tumour cells synthesized alpha-heavy chains which were shed into the culture medium only after 20 hr. These chains were shown to be present on the surface of the immunoblastic tumour cells by enzymatic radioiodination. Both the surface and the secreted alpha-heavy chain of the lymph node and gut tumour were found to be smaller than the alpha-heavy chain of myeloma proteins. These results suggest that the lymphoblasmocytic and the immunoblastic tumour cells originate from the same defective clone.
Full text
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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
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