{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T08:23:19Z","timestamp":1791274999328,"version":"4.1.0"},"reference-count":32,"publisher":"BMJ","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Med Genet"],"accepted":{"date-parts":[[2011,1,25]]},"published-print":{"date-parts":[[2011,6]]},"abstract":"<jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Sensenbrenner syndrome is a heterogeneous ciliopathy that is characterised by skeletal and ectodermal anomalies, accompanied by chronic renal failure, heart defects, liver fibrosis and other features.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>To identify an additional causative gene in Sensenbrenner syndrome.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>Single nucleotide polymorphism array analysis and standard sequencing techniques were applied to identify the causative gene. The effect of the identified mutation on protein translation was determined by western blot analysis. Antibodies against intraflagellar transport (IFT) proteins were used in ciliated fibroblast cell lines to investigate the molecular consequences of the mutation on ciliary transport.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Homozygosity mapping and positional candidate gene sequence analysis were performed in two siblings with Sensenbrenner syndrome of a consanguineous Moroccan family. In both siblings, a homozygous mutation in the initiation codon of <jats:italic>C14ORF179<\/jats:italic> was identified. <jats:italic>C14ORF179<\/jats:italic> encodes IFT43, a subunit of the IFT complex A (IFT-A) machinery of primary cilia. Western blots showed that the mutation disturbs translation of IFT43, inducing the initiation of translation of a shorter protein product from a downstream ATG. The IFT-A protein complex is implicated in retrograde ciliary transport along axonemal microtubules. It was shown that in fibroblasts of one of the siblings affected by Sensenbrenner syndrome, disruption of IFT43 disturbs this transport from the ciliary tip to its base. As anterograde transport in the opposite direction apparently remains functional, the IFT complex B proteins accumulate in the ciliary tip. Interestingly, similar results were obtained using fibroblasts from a patient with Sensenbrenner syndrome with mutations in <jats:italic>WDR35\/IFT121<\/jats:italic>, encoding another IFT-A subunit.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>The results indicate that Sensenbrenner syndrome is caused by disrupted IFT-A-mediated retrograde ciliary transport.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1136\/jmg.2011.088864","type":"journal-article","created":{"date-parts":[[2011,3,5]],"date-time":"2011-03-05T20:14:05Z","timestamp":1299356045000},"page":"390-395","source":"Crossref","is-referenced-by-count":143,"title":["<i>C14ORF179<\/i> encoding IFT43 is mutated in Sensenbrenner syndrome"],"prefix":"10.1136","volume":"48","author":[{"given":"Heleen H","family":"Arts","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ernie M H 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