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| http://purl.uniprot.org/citations/10641796 | http://www.w3.org/2000/01/rdf-schema#comment | "The insulin-like growth factor II receptor mediates endocytosis of insulin-like growth factor II, resulting in growth factor degradation in lysosomes. This degradation is an important regulator of growth factor activity in vivo, as shown by the phenotype of receptor deficient mice. Recent evidence suggests that the insulin-like growth factor II receptor functions as a tumour suppressor in humans, and that loss of receptor function leads to increased levels of the growth factor in tumours. It is difficult to establish such a causal relationship in human tumours however, since most tumours have undergone several genetic changes by the time they are examined. Using mouse embryos deficient in receptor expression, and an insulin-like growth factor II-specific radioimmunoassay, we tested the hypothesis that lack of receptor function leads to local accumulation of insulin-like growth factor II. We found that mutant blood and skeletal muscle had excess insulin-like growth factor II, but that mutant lungs and liver had no accumulation. Mutant hearts had less growth factor than wild-type hearts, an unexpected observation, since the normal embryonic heart expresses very high levels of insulin-like growth factor II receptor, and mutant mice apparently die of congestive heart failure. The placentas of mutant mice were larger than those of wild-type, but this did not correlate with an excess of placental insulin-like growth factor II. These results indicate that lack of insulin-like growth factor II receptor can lead to local excess of the growth factor but that such excess is not a necessary consequence of receptor-deficiency."xsd:string |
| http://purl.uniprot.org/citations/10641796 | http://purl.org/dc/terms/identifier | "doi:10.1016/s1357-2725(99)00103-x"xsd:string |
| http://purl.uniprot.org/citations/10641796 | http://purl.uniprot.org/core/author | "Nolan C.M."xsd:string |
| http://purl.uniprot.org/citations/10641796 | http://purl.uniprot.org/core/author | "Lawlor M.A."xsd:string |
| http://purl.uniprot.org/citations/10641796 | http://purl.uniprot.org/core/date | "1999"xsd:gYear |
| http://purl.uniprot.org/citations/10641796 | http://purl.uniprot.org/core/name | "Int J Biochem Cell Biol"xsd:string |
| http://purl.uniprot.org/citations/10641796 | http://purl.uniprot.org/core/pages | "1421-1433"xsd:string |
| http://purl.uniprot.org/citations/10641796 | http://purl.uniprot.org/core/title | "Variable accumulation of insulin-like growth factor II in mouse tissues deficient in insulin-like growth factor II receptor."xsd:string |
| http://purl.uniprot.org/citations/10641796 | http://purl.uniprot.org/core/volume | "31"xsd:string |
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