Eustachian Tube Growth and Development: Anatomy/Function. Protocol Description. This study measures Eustachian tube function and facial growth over time in three groups of children: one with recurrent ear infections, one with chronic middle ear fluid, and one with little past history of otitis media.
Causes of Kartagener syndrome. Kartagener syndrome is caused by a mutation in the DNAI1 gene, which makes a cellular protein required for normal functioning cilia (cilia line the respiratory tract) and sperm motility.
Phenotypic Series. TEXT. A number sign (#) is used with this entry because of evidence that autosomal dominant dilated cardiomyopathy-1G (CMD1G) is caused by heterozygous mutation in the titin gene (TTN; 188840) on chromosome 2q31.2012) used next-generation sequencing to analyze the TTN gene in 203 individuals with dilated cardiomyopathy, 231 with hypertrophic cardiomyopathy (CMH), and 249 controls.