Diabetes

Tiny change has big effects, reverses prediabetes in mice

A small chemical change—shifting the position of two hydrogen atoms—makes the difference between mice that are healthy and mice with insulin resistance and fatty liver, major risk factors for diabetes and heart disease. ...

Immunology

Molecular 'switch' reverses chronic inflammation and aging

Chronic inflammation, which results when old age, stress or environmental toxins keep the body's immune system in overdrive, can contribute to a variety of devastating diseases, from Alzheimer's and Parkinson's to diabetes ...

Cardiology

Less inflammation = better healing

Myocardial infarction (MI), commonly called heart attack, remains a leading cause of mortality and morbidity worldwide, raising an urgent need for novel therapies.

Medical research

New drug helps combat metabolic syndrome

A new drug developed at Yale reduces a host of abnormalities associated with metabolic syndrome, an obesity-born condition that afflicts one of three adults in the United States, researchers report Oct. 2 in the journal Science ...

Medical research

Scientists link 'hunger hormone' to memory in Alzheimer's study

Scientists at The University of Texas at Dallas have found evidence suggesting that resistance to the "hunger hormone" ghrelin in the brain is linked to the cognitive impairments and memory loss associated with Alzheimer's ...

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Insulin resistance

Insulin resistance (IR) is the condition in which normal amounts of insulin are inadequate to produce a normal insulin response from fat, muscle and liver cells. Insulin resistance in fat cells reduces the effects of insulin and results in elevated hydrolysis of stored triglycerides in the absence of measures which either increase insulin sensitivity or which provide additional insulin. Increased mobilization of stored lipids in these cells elevates free fatty acids in the blood plasma. Insulin resistance in muscle cells reduces glucose uptake (and so local storage of glucose as glycogen), whereas insulin resistance in liver cells results in impaired glycogen synthesis and a failure to suppress glucose production. Elevated blood fatty acid levels (associated with insulin resistance and diabetes mellitus Type 2), reduced muscle glucose uptake, and increased liver glucose production all contribute to elevated blood glucose levels. High plasma levels of insulin and glucose due to insulin resistance are believed to be the origin of metabolic syndrome and type 2 diabetes, including its complications.

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