context: CF is a sex chromosomal abnormality. This condition is caused by a pressure change in both transcriptional regulatory genes in the cell membrane in fibrosis-containing protein to protein (CFTR). [1] People with a single active copy are carriers and are not usually normal. [3] CFTR is involved in the production of sweat, digestive fluids, and mucus. [4] When CFTR does not work, the laryngeal usually becomes heavier. [5] This condition is diagnosed by sweating and genital dosage. [1] Infant examination at birth is performed in some parts of the world. [1]
question: What causes oxidative stress?
answers.text: pressure change in both transcriptional regulatory genes in the cell membrane in fibrosis-containing protein to protein (CFTR)