EAAC1 protein is the main transporter of cysteine into neurons, providing vital antioxidant protection
A study conducted at the San Francisco VA Medical Center has identified a protein found in both mice and humans that appears to play a key role in protecting neurons from oxidative stress, a toxic process linked to neurodegenerative illnesses including Alzheimers and Parkinsons diseases.
The study, led by Raymond Swanson, MD, chief of neurology and rehabilitation services at SFVAMC, identified the protein – known as EAAC1 in mice and as EAAT3 in humans – as the main mechanism through which the amino acid cysteine is transported into neurons. Cysteine is an essential component of glutathione, which Swanson terms "the most important antioxidant in the brain."
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