How does high blood sugar affect the brain?

High blood sugar causes a protein modification that boosts lactate production in the hippocampus, a brain region crucial for memory.

What is the impact of excess lactate in the brain?

Excessive lactate in the brain leads to the death of brain cells, resulting in cognitive impairment and memory loss.

Is there a potential treatment for sugar-related cognitive decline?

Researchers have developed a peptide that successfully reduced lactate levels and preserved cognitive function in diabetic mice.

Home / Science / Sugar Fuels Brain Cell Death Via Lactate

Sugar Fuels Brain Cell Death Via Lactate

19 Apr

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Summary

Excess sugar modifies a protein, boosting brain lactate.
High brain lactate kills cells, impairing memory and cognition.
A new peptide successfully preserved cognition in diabetic mice.

Sugar Fuels Brain Cell Death Via Lactate

New research reveals a direct link between high blood sugar and cognitive decline. The study found that excess sugar causes a critical protein modification within the hippocampus, the brain's memory hub. This alteration activates a gene responsible for boosting lactate production.

Elevated lactate levels in the brain are detrimental, leading to the death of brain cells and subsequent cognitive impairment. A significant study validated this, identifying high blood lactate as a risk factor for memory loss in diabetic patients.

Promisingly, scientists have developed a peptide-based treatment. In experiments with diabetic mice, this peptide effectively lowered lactate levels, thereby preserving cognitive function and offering potential therapeutic avenues.

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