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    GlossaryEndoplasmic Reticulum Stress (ER Stress)

    cellular condition where protein folding machinery becomes overwhelmed

    Endoplasmic Reticulum Stress (ER Stress) occurs when the endoplasmic reticulum, a cellular organelle responsible for protein folding and processing, becomes overwhelmed or dysfunctional. This can lead to the accumulation of misfolded or unfolded proteins, triggering a cellular response known as the Unfolded Protein Response (UPR) to restore normal function. If unresolved, ER stress can contribute to various diseases, including neurodegenerative disorders and diabetes.

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