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Updated: Dec 15, 2025

Polysome Fractionation and Analysis of Mammalian Translatomes on a Genome-wide Scale
Published on: May 17, 2014
Nutrient Control of mRNA Translation.
Xin Erica Shu1, Robert V Swanda2, Shu-Bing Qian1,2
1Division of Nutritional Sciences, Cornell University, Ithaca, New York 14853, USA;
Nutrient signaling pathways control gene expression by regulating mRNA translation, a key process for cellular homeostasis. Understanding translational reprogramming offers insights into diseases like diabetes and cancer.
Area of Science:
- Molecular Biology
- Cellular Homeostasis
- Gene Expression Regulation
Background:
- Genome-wide analyses have transformed the study of cellular control networks.
- mRNA translation is the final step in gene expression, defining the proteome.
- Translational regulation is crucial for maintaining cellular homeostasis, especially during nutrient fluctuations.
Purpose of the Study:
- To review recent advances in understanding translational control principles and nutrient-sensing mechanisms.
- To explore the dysregulation of translational control in human diseases.
- To highlight the potential of understanding translational regulation for identifying therapeutic targets.
Main Methods:
- Review of current literature on genome-wide analyses, mRNA translation, and nutrient signaling.
- Analysis of emerging concepts in translational reprogramming.
- Examination of disease-associated dysregulation in translational control.
Main Results:
- Nutrient signaling pathways orchestrate global translational control.
- Translational reprogramming maintains specific protein expression under nutrient stress.
- Dysregulation of translational control is implicated in diabetes, cancer, and aging.
Conclusions:
- Translational regulation is a critical node for integrating nutrient status with cellular function.
- Understanding these mechanisms can reveal new dietary and therapeutic strategies.
- Targeting translational control holds promise for improving human health outcomes.
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