Crosstalks between translation and metabolism in cancer

Area of Science:

• Oncology
• Molecular Biology
• Cancer Metabolism

Background:

• Despite patient heterogeneity, all cancer cells exhibit altered metabolism and translation.
• Oncogenic pathways (c-Myc, RAS, PI3K-mTOR) reprogram translation and metabolism, stimulating glycolysis and protein synthesis.
• The intricate crosstalk between metabolite production and the translational machinery remains incompletely understood.

Purpose of the Study:

• To explore the coordinated reprogramming of translation and metabolism in cancer cells.
• To elucidate the role of oncogenic pathways in driving these cellular alterations.
• To identify potential therapeutic targets at the intersection of translation and metabolism.

Main Methods:

• Review of oncogenic pathways affecting translation and metabolism.
• Analysis of the role of translation initiation factors (e.g., eIF4E, eIF6) in cancer growth and metabolic regulation.
• Investigation of nutrient-sensing mechanisms that modulate the translational machinery.

Main Results:

• Key oncogenic pathways (c-Myc, RAS, PI3K-mTOR) significantly impact both translation and metabolism.
• Translation initiation factors selectively promote the translation of mRNAs involved in nucleotide biosynthesis, glycolysis, and fatty acid synthesis.
• Nutrient availability directly influences the activity of translation factors, highlighting a feedback loop.

Conclusions:

• The coordinated reprogramming of translation and metabolism is a hallmark of cancer, essential for tumor cell survival.
• Targeting translation and metabolism presents a promising therapeutic strategy for cancer treatment.
• Further research into the crosstalk between these pathways can uncover novel therapeutic interventions.