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|Ref Type||Journal Article|
|Authors||Windle JJ, Albert DM, O'Brien JM, Marcus DM, Disteche CM, Bernards R, Mellon PL|
|Title||Retinoblastoma in transgenic mice.|
|Date||1990 Feb 15|
|Abstract Text||Retinoblastoma, a malignancy of the eye occurring in young children, has been widely studied as a model for genetic predisposition to cancer. This disease is caused by mutations in both alleles of an anti-oncogene (the retinoblastoma gene, Rb) that inactivate or eliminate the Rb encoded protein, p105Rb (refs 1 and 2). Here we report that expression of a viral oncogene, the simian virus 40 T antigen, in the retina of transgenic mice produces heritable ocular tumours with histological, ultrastructural and immunohistochemical features identical to those of human retinoblastoma. Furthermore, we demonstrate a specific association between p105Rb and T antigen in mouse retinoblastoma tumour cells. Thus, the occurrence of these tumours is in vivo evidence for oncogenesis due to the ocular-specific expression of an Rb-binding oncoprotein that can functionally inactivate the Rb protein. As an animal model for heritable retinoblastoma, these mice should allow the study of the ontogeny, pathogenesis and treatment of this malignant disease.|
|Molecular Profile||Treatment Approach|
|Gene Name||Source||Synonyms||Protein Domains||Gene Description||Gene Role|
|Therapy Name||Drugs||Efficacy Evidence||Clinical Trials|
|Drug Name||Trade Name||Synonyms||Drug Classes||Drug Description|
|Gene||Variant||Impact||Protein Effect||Variant Description||Associated with drug Resistance|
|Molecular Profile||Indication/Tumor Type||Response Type||Therapy Name||Approval Status||Evidence Type||Efficacy Evidence||References|
|RB1 loss||retinoblastoma||sensitive||Sirolimus||Preclinical||Actionable||In a preclinical study, Sirolimus (rapamycin) decreased tumor occurrence, tumor hypoxia and tumor vascularization in a retinoblastoma mouse model with functionally inactivated Rb protein (PMID: 21468343, PMID: 1689463).||21468343 1689463|