| 12638 |
P26361 |
CFTR_MOUSE |
Cystic fibrosis transmembrane conductance regulator (CFTR) (ATP-binding cassette sub-family C member 7) (Channel conductance-controlling ATPase) (EC 5.6.1.6) (cAMP-dependent chloride channel) |
DISRUPTION PHENOTYPE |
Mice are born at the expected Mendelian rate, but about 80% die within two to five days after birth due to peritonitis (PubMed:7685652). Those that survive fail to thrive, appear runted and weigh about half as much as wild-type littermates (PubMed:7685652). Many of the surviving pups die when they start ingesting solid food, due to intestinal blockage caused by excessive mucus accumulation (PubMed:7685652). None survive for more than about 45 days after birth (PubMed:7685652). Intestinal crypts in the jejunum and ileum are filled with excessive mucus (PubMed:7685652). Excessive accumulation of mucus is also seen in colon (PubMed:7685652). In contrast, their lungs do not present pathological mucus accumulation (PubMed:7685652). Likewise, only five out of ten animals show dilatation and blockage of several small pancreatic ducts (PubMed:7685652). Besides, mutant mice present defects in their lacrimal glands that make them more susceptible to develop eye infections (PubMed:7685652). In caecum epithelium, forskolin-sensitive ion transport is nearly abolished (PubMed:7685652). {ECO:0000269|PubMed:7685652}. |