Bamacan can occur in certain cell types as either a secreted proteoglycan assembled into basement membranes or as an intracellular protein known as structural maintenance of chromosome 3 (SMC3). To assess the role of this protein in tumorigenesis, we investigated whether induced overexpression of bamacan/SMC3 could transform normal fibroblasts. We generated a full-length cDNA encoding the entire mouse bamacan/SMC3 and demonstrated appropriate transcription and translation into a 146-kDa protein. All the NIH and Balb/c 3T3 murine fibroblasts overexpressing this bamacan/SMC3 transgene generated foci of transformation and acquired anchorage-independent growth. The increased levels of bamacan/SMC3 expression achieved in the transfected fibroblasts were the same as those detected in a series of spontaneously transformed murine and human colon carcinoma cells. Moreover, a 3-4-fold overexpression of bamacan/SMC3 was detected in approximately 70% of human colon carcinoma specimens from matched pairs (n = 19, p < 0.0002) and in a cohort of intestinal tumors from Apc-deficient Min/+ mice. These results support the concept that deregulated expression of bamacan/SMC3 is involved in cell transformation.
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Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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Site | Modification | Modifier | Source | Reference |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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