RELEVANT RESEARCH

Faulty gene linked to obesity in adults

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Groundbreaking new research, linking obesity and metabolic dysfunction to a problem in the energy generators in cells, has been published by researchers from the Harry Perkins Institute of Medical Research and The University of Western Australia. The study, published in Science Advances, found that reduced function of a gene that impacts the breakdown of fats resulted in adult-onset obesity and fatty liver.

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Both Heart and Muscle Factors Limit Exercise Capacity in Mitochondrial Disease

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Reduced exercise capacity in people with mitochondrial diseases is linked to both a heart that works inefficiently and muscles that inadequately extract oxygen, according to a study that pinned down the physiological contributions that limit a patient’s ability to perform physical activity. The study, “Pathophysiology of exercise intolerance in chronic diseases: the role of diminished cardiac performance in mitochondrial and heart failure patients,” figured that it was most likely a poor heart performance that limited performance across various types of patients. The study showed that the reality was more complex.

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Breakthrough in understanding mitochondria

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Scientists have made a breakthrough in understanding how mitochondria — the “powerhouses” of human cells — are made.

A study led by Dr Vicki Gold, of the University of Exeter, has shown that some ribosomes — the tiny factories of cells which produce proteins — are attached to mitochondria. This can explain how proteins are pushed into mitochondria whilst they are being made.

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