New Blood Analysis Could Show if Colon Cancer Will Return—Before Symptoms
Summary
Scientists have found that changes in how amino acids interact in the blood can show if colon cancer is likely to return before symptoms appear. A new blood test analyzing these patterns may help doctors better predict cancer progression and personalize treatment.Key Facts
- Researchers studied 18 amino acids in the blood of colorectal cancer patients before surgery.
- They looked at how these amino acids interact, forming a metabolic "network," rather than just measuring each amino acid alone.
- As colorectal cancer progresses, the network of amino acids changes significantly, reflecting the disease’s impact on the body's metabolism.
- Some amino acids like valine and leucine decrease in prominence, while others like glycine and serine increase with cancer growth.
- Glycine levels in the blood rise even though cancer cells use it rapidly, indicating complex metabolic changes.
- Machine learning models using amino acid interaction data predicted cancer recurrence or spread better than current tests based on a marker called CEA.
- Combining amino acid data with CEA markers gave the most accurate results for predicting cancer outcomes.
- Experts say more studies are needed to confirm these findings before this test can be used widely in patient care.
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