2 doctors agreed: CFTR: Cystic fibrosis is caused by a mutation of the cftr gene, or cystic fibrosis transmembrane regulator, on chromosome 7. Cftr works as a chloride ion channel which helps to regulate chloride and sodium movement in your lungs and sweat ducts. ...Read more.
1. JKJones (Pharmacist (Verified)) - 11 / 08 / 2010. Desquamation is the natural shedding and peeling of the outermost layers of the skin. When there is damage to the skin or this process is interrupted or changed, there may be additional shedding and peeling.
Differential diagnosis. Desquamative gingivitis is a descriptive clinical term, not a diagnosis. Dermatologic conditions cause about 75% of cases of desquamative gingivitis, and over 95% of the dermatologic cases are accounted for by either oral lichen planus or cicatricial pemphigoid. The exact cause of desquamative gingivitis cannot be determined about a third of cases. Oral lichen planus.