This research shows that decreased PGM1 disrupts metabolism in pancreatic beta-cells, indicating a role in type 1 diabetes onset.
In the β-cell, the expression of phosphoglucomutase 1 (PGM1), a type 1 diabetes risk gene, is reduced by double-stranded RNA exposure, modeled by polyinosinic:polycytidylic acid transfection. Deficient PGM1 expression disrupts central carbon metabolism, protein glycosylation, and autophagic flux. These changes precipitate endoplasmic reticulum stress and mitochondrial dysfunction, potentially augmenting type 1 diabetes development.
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Ye et al. (2026) studied this question.
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