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BackgroundDiabetes is a chronic (long-lasting) health condition that affects how your body turns food into energy. More than 34 million people in the United States have diabetes, and 1 in 5 of them … read more

Proinsulin is a precursor of insulin that is synthesized in the β cells of the islet of Langerhans in the pancreas. 　Most of the proinsulin synthesized in the rough endoplasmic reticulum of β cells is … read more