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Published on: December 9, 2016
Role of the RNA binding protein IGF2BP1 in cancer multidrug resistance
Aldana Magalí Gola1, María Bucci-Muñoz1, Juan Pablo Rigalli2
1Instituto de Fisiología Experimental (CONICET) - Facultad de Ciencias Bioquímicas y Farmacéuticas (UNR), Rosario, Argentina.
Abstract:
The insulin-like growth factor-2 mRNA-binding protein 1 (IGF2BP1), a member of a conserved family of single-stranded RNA-binding proteins (IGF2BP1-3), is expressed in a broad range of fetal tissues, placenta and more than sixteen cancer types but only in a limited number of normal adult tissues. IGF2BP1is required for the transport from nucleus to cytoplasm of certain mRNAs that play essential roles in embryogenesis, carcinogenesis, and multidrug resistance (MDR), by affecting their stability, translation, or localization. The purpose of this review is to gather and present information on MDR mechanisms in cancer and the significance of IGF2BP1 in this context. Within this review, we will provide an overview of IGF2BP1, including its tissue distribution, expression, molecular targets in the context of tumorigenesis and its inhibitors. Our main focus will be on elucidating the interplay between IGF2BP1 and MDR, particularly with regard to chemoresistance mediated by ABC transporters.
Insights
Insulin-like growth factor-2 mRNA-binding protein 1 (IGF2BP1) is crucial for cancer development and multidrug resistance (MDR). This review details IGF2BP1
Area of Science:
- Molecular Biology
- Oncology
- Biochemistry
Background:
- Insulin-like growth factor-2 mRNA-binding protein 1 (IGF2BP1) is highly expressed in fetal tissues and numerous cancers, but minimally in normal adult tissues.
- IGF2BP1 plays a critical role in transporting specific mRNAs from the nucleus to the cytoplasm, influencing embryogenesis, carcinogenesis, and multidrug resistance (MDR).
Purpose of the Study:
- To review mechanisms of MDR in cancer.
- To elucidate the significance of IGF2BP1 in the context of cancer MDR.
- To detail IGF2BP1's tissue distribution, expression, molecular targets, and inhibitors in tumorigenesis.
Main Methods:
- Literature review focusing on IGF2BP1's role in cancer.
- Analysis of IGF2BP1's interplay with MDR mechanisms, particularly chemoresistance mediated by ABC transporters.
Main Results:
- IGF2BP1 is implicated in essential cellular processes including embryogenesis and carcinogenesis.
- IGF2BP1 affects mRNA stability, translation, and localization, contributing to MDR.
- The review highlights the specific connection between IGF2BP1 and ABC transporter-mediated chemoresistance.
Conclusions:
- IGF2BP1 is a key factor in cancer development and the emergence of multidrug resistance.
- Understanding IGF2BP1's function is crucial for developing strategies to overcome chemoresistance in cancer patients.
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