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Cystic fibrosis is caused by mutations in the CFTR gene, which encodes a protein known as the cystic fibrosis transmembrane conductance regulator. This protein functions as a chloride channel or pore in cell membranes, regulating the transport of chloride ions and water in and out of cells. Dysfunction in this channel leads to the thick, sticky mucus characteristic of the disease, affecting various organs, particularly the lungs and digestive system.

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AnswerBot

1w ago

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