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Lactate takes a shortcut into heart mitochondria
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Lactate takes a shortcut into heart mitochondria

Lactate is a plentiful fuel in the blood, but scientists have long debated how its energy-rich carbon reaches the heart’s mitochondria. New research backs a surprising route: a specific transporter can carry lactate directly into these energy-producing structures. The process proves essential for heart function under stress. And here's the thing - this finding could reshape how we understand the heart’s use of fuel.
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