Surfactant metabolism dysfunction is a condition where pulmonary surfactant is insufficient for adequate respiration.
Surfactant metabolism dysfunction Wikipedia
Most disease-causing mutations in SFTPB result in a complete lack of mature SP-B protein 265120. Lung disease is inherited in an autosomal recessive manner, requiring mutations in both alleles. Surfactant produced by infants with SP-B deficiency is abnormal in composition and does not function normally in lowering surface tension.
Familial cases of SP-C dysfunction 610913 are inherited in an autosomal dominant pattern, although the onset and severity of lung disease are highly variable, even within the same family.
Mutations in ABCA3 appear to be the most common cause of genetic surfactant dysfunction in humans. The mutations result in a loss of or reduced function of the ABCA3 protein, and are inherited in an autosomal recessive manner 610921.