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Year : 2020  |  Volume : 10  |  Issue : 4  |  Page : 174-188

Pathophysiology of diabetes: An overview

1 Department of Biochemistry, Government Medical College and Associated Shri Maharaja Hari Singh Hospital, Srinagar, Kashmir, India
2 Department of Basic Medical Sciences, College of Medicine, King Saud Bin Abdul Aziz University for Health Sciences, King Abdullah International Medical Research Centre, National Guard Health Affairs, Jeddah, Saudi Arabia

Correspondence Address:
Dr. Aga S Sameer
Department of Basic Medical Sciences, College of Medicine, King Saud Bin Abdul Aziz University for Health Sciences, National Guard Health Affairs, P.O. Box 9515, Mail Code 6556, Jeddah.
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ajm.ajm_53_20

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Diabetes mellitus is a chronic heterogeneous metabolic disorder with complex pathogenesis. It is characterized by elevated blood glucose levels or hyperglycemia, which results from abnormalities in either insulin secretion or insulin action or both. Hyperglycemia manifests in various forms with a varied presentation and results in carbohydrate, fat, and protein metabolic dysfunctions. Long-term hyperglycemia often leads to various microvascular and macrovascular diabetic complications, which are mainly responsible for diabetes-associated morbidity and mortality. Hyperglycemia serves as the primary biomarker for the diagnosis of diabetes as well. In this review, we would be focusing on the classification of diabetes and its pathophysiology including that of its various types.

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