Cysteine is one of the main building blocks that cells use to make proteins. But this amino acid is a double-edged sword—too much cysteine is toxic to the cell. Cells therefore keep free cysteine levels to a minimum, converting most of the amino acid into the antioxidant glutathione.
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The Toxicity of High Cysteine Levels in Cells
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September 18, 2026
1 min read
📰 Phys.org
📋 Key Takeaway
The article discusses the dual role of cysteine in cellular function, highlighting its importance as a protein building block while also noting its toxicity at high levels. This biochemical understanding is crucial for various health and scientific research fields, which may indirectly impact Iran's healthcare and scientific communities. Understanding cellular processes can influence medical research and treatment strategies in Iran.
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