ArticleMolecular and clinical oncology2015
Expression of insulin-like growth factor I receptor as a biomarker for predicting prognosis in biliary tract cancer patients.
Article in Molecular and clinical oncology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 9 citations in OpenAlex.
- Insulin-Like Growth Factor-1 Receptor Targeted Fluorescent Imaging for Gallbladder Cancer in Orthotopic Mouse Models.Gut and liver · 2022Article
- Prospective Study of Glycemic Load, Glycemic Index, and Carbohydrate Intake in Relation to Risk of Biliary Tract Cancer.The American journal of gastroenterology · 2016Article
Corrections and comments
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Authors and funding
8 authors at 5 institutions in 3 countries.
Funding
Abstract
Carcinomas of the gallbladder (GBCa) and bile ducts are aggressive tumors with poor survival and it is, therefore, essential to elucidate the molecular mechanisms of the various signaling pathways in order to develop effective therapies. In this study, tumor specimens from 40 GBCa patients, 12 extrahepatic bile duct carcinoma patients and 26 intrahepatic bile duct carcinoma patients from the USA and Japan were investigated for insulin-like growth factor I receptor (IGF-IR), mammalian target of rapamycin (mTOR) and rapidly accelerated fibrosarcoma-1 (Raf-1) expression by immunohistochemistry; in addition, the correlations with histological type, pathological stage and patient outcome were analyzed. Positive expression of IGF-IR, mTOR and Raf-1 were identified in 68, 73 and 85% of the specimens, respectively. There was no association with histological type and pathological stage, although the positive expression rate of Raf-1 was higher in advanced-stage GBCa. Moreover, patients with positive expression of IGF-IR exhibited significantly reduced survival compared to those with negative IGF-IR expression. In conclusion, IGF-IR, mTOR and Raf-1 were highly expressed in biliary tract cancer and targeted therapy against IGF-IR may be an effective strategy. Among these molecules, IGF-IR expression was found to be a useful biomarker for identifying patients who may benefit from additional treatment.
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