Scientists Discover Surprising Way Cancer May Thrive and Spread
Summary
Scientists have found that cancer cells use their fuel not just for energy but to change how proteins work inside cells. This discovery reveals new ways cancer might grow and spread, offering potential new targets for cancer treatments.Key Facts
- Cancer cells rewire their metabolism to grow faster and survive tough conditions.
- Small molecules from metabolism, called metabolites, can control protein functions directly.
- Researchers mapped how metabolites affect proteins across the whole cell, especially in the endoplasmic reticulum (where proteins are made).
- A protein named SLC33A1 helps keep protein-building areas balanced by removing harmful oxidized glutathione.
- Too much oxidized glutathione damages protein-folding enzymes and stresses the cell’s quality control.
- This research links metabolism changes to cancer cell behavior beyond just energy supply.
- The findings provide new targets for immunotherapy and treatments, especially for hard-to-treat pancreatic cancer.
- The study used advanced techniques like mass spectrometry to track chemical changes in thousands of proteins at once.
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