Risk of cystic fibrosis-related diabetes may be tied to high levels of the liver enzyme alanine aminotransferase in the blood, especially in male patients according to a Plos One study.

Researchers in Canada and the U.S. investigated whether high levels of ALT in the blood of CF patients were related to blood sugar levels and CFRD development.

Their study included 273 adults (mean age, 25.7) recruited from the Montreal CF Cohort. None had been diagnosed with CFRD at its beginning.

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