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PMID:201371
| Citation |
Hatzfeld, A, Feldmann, G, Guesnon, J, Frayssinet, C and Schapira, F (1978) Location of adult and fetal aldolases A, B, and C by immunoperoxidase technique in LF fast-growing rat hepatomas. Cancer Res. 38:16-22 |
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| Abstract |
The resurgence of aldolase isozymes in cancerous tissues is a well-known but poorly understood phenomenon. This resurgence poses the problem of whether or not adult and fetal aldolase isozymes are produced by the same cells. For clarification of this question, the immunoperoxidase technique was used to locate aldolases A, B, and C in one type of fast-growing hepatoma, the LF hepatoma and, by comparison, in normal adult liver. Under optical microscopy, aldolases A and C were located in the cytoplasm of almost all of the cancerous cells. An isozyme antigenically identical with aldolase B was also demonstrated to be present in almost all of the cells, but the reaction indicating the presence of this isozyme was weaker. In normal adult liver, only aldolases A and B were demonstrated to be present in almost all the hepatocytes. Under electron microscopy in LF hepatoma, the three isozymes were found to be present mainly in the cytoplasm. These facts suggest that the three types of aldolase are very probably present in the same cells at the same time, and they provide indirect arguments leading us to think that the resurgence of fetal aldolase isozymes in cancer is not the consequence of cellular selection but is due to a disturbance at the gene control level. |
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| Keywords |
Animals; Carcinoma, Hepatocellular/enzymology; Cytoplasm/enzymology; Fetus/enzymology; Fructose-Bisphosphate Aldolase/metabolism; Immunoenzyme Techniques; Isoenzymes/metabolism; Liver Neoplasms/enzymology; Neoplasms, Experimental/enzymology; Rats |
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Significance
Annotations
| Gene product | Qualifier | GO Term | Evidence Code | with/from | Aspect | Extension | Notes | Status |
|---|---|---|---|---|---|---|---|---|
|
part_of |
GO:0005737: cytoplasm |
ECO:0000314: direct assay evidence used in manual assertion |
C |
Seeded From UniProt |
complete | |||
See also
References
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