2002
DOI: 10.1086/344580
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A Missense Mutation (R565W) in Cirhin (FLJ14728) in North American Indian Childhood Cirrhosis

Abstract: North American Indian childhood cirrhosis (CIRH1A, or NAIC), a severe autosomal recessive intrahepatic cholestasis described in Ojibway-Cree children from northwestern Quebec, is one of several familial cholestases with unknown molecular etiology. It typically presents with transient neonatal jaundice, in a child who is otherwise healthy, and progresses to biliary cirrhosis and portal hypertension. Clinical and physiological investigations have not revealed the underlying cause of the disease. Currently, liver… Show more

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Cited by 106 publications
(72 citation statements)
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“…More germane to this study, a related phenotype is seen in another SSU processome protein, Utp4, the human homolog of which is called Cirhin. Mutations in the C-terminal region of Cirhin cause liver failure in children (Chagnon et al 2002). Thus, mutations in Cirhin and in Utp25/def both result in digestive organ failure.…”
Section: Discussionmentioning
confidence: 99%
“…More germane to this study, a related phenotype is seen in another SSU processome protein, Utp4, the human homolog of which is called Cirhin. Mutations in the C-terminal region of Cirhin cause liver failure in children (Chagnon et al 2002). Thus, mutations in Cirhin and in Utp25/def both result in digestive organ failure.…”
Section: Discussionmentioning
confidence: 99%
“…North American Indian childhood cirrhosis is caused by an R565W mutation in hUTP4/Cirhin (Chagnon et al 2002). When an analogous mutation was made in the yeast Utp4 protein, no effect was observed on growth or ribosome biogenesis (Freed et al 2010).…”
Section: Yeast As a Disease Modelmentioning
confidence: 99%
“…Quoi qu'il en soit, nous pouvons espérer que la poursuite de la collaboration entre les familles des patients, les cliniciens et les chercheurs, qui a mené à la détection du gène et à la mise au point d'un test de dépistage, pourra conduire à la découverte d'un traitement pour cette maladie qui affecte les autochtones du Nord-Ouest québécois. Nous rappelons ici les étapes de nos travaux sur la cirrhose amérindienne infantile, maladie héréditaire qui n'a été décrite qu'au Québec [1][2][3][4][5][6].…”
Section: La Cirrhose Amérindienne Infantileunclassified
“…On peut prédire que cette mutation change la structure secondaire de la protéine. Nous avons mis au point un test de dépistage de la mutation R565W par RFLP, désormais disponible dans notre hôpital pour les familles dont les membres risquent d'être porteurs de la mutation ( Figure 2B) [6].…”
Section: L'examen Cliniqueunclassified
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