Explainer: what is cystic fibrosis and how is it treated?

Cystic fibrosis (CF) affects around 3,000 people in Australia and 70,000 worldwide. It’s an inherited disease caused by a mutation in a single gene called CFTR. This gene defect means the protein it produces, also called CFTR, is absent or does not function correctly. This disturbs the salt balance in most tubes within the body, including in the airways, gut and the reproductive system. What does the gene mutation do? Scientists have identified more than 2,000 different mutations in the CFTR gene. These mutations can be separated into six different classes that affect how the CFTR protein is produced or…
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