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Progressive familia...
Progressive familial intrahepatic cholestasis (PFIC) : evidence for genetic heterogeneity by exclusion of linkage to chromosome 18q21-q22
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- Arnell, Henrik (author)
- Uppsala universitet,Institutionen för kvinnors och barns hälsa
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- Nemeth, Antal (author)
- Karolinska Institutet
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- Annerén, Göran (author)
- Uppsala universitet,Institutionen för genetik och patologi
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- Dahl, Niklas (author)
- Uppsala universitet,Institutionen för genetik och patologi
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(creator_code:org_t)
- Springer Science and Business Media LLC, 1997
- 1997
- English.
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In: Human Genetics. - : Springer Science and Business Media LLC. - 0340-6717 .- 1432-1203. ; 100:3-4, s. 378-381
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Progressive familial intrahepatic cholestasis (PFIC) is the second most common form of familial intrahepatic cholestasis. The genes for PFIC and for a milder form of the disease, benign recurrent intrahepatic cholestasis (BRIC), were recently mapped to a 19-cM region on chromosome 18q21-q22. The results suggest that PFIC and BRIC are allelic diseases. We have studied 11 Swedish patients from eight families with clinical and biochemical features consistent with PFIC. The families were genotyped for markers D18S69, D18S64, D18S55 and D18S68, spanning the PFIC candidate region. Unexpectedly, the segregation of haplotypes excluded the entire region in three families, and no indications for shared haplotypes were found in the patients of the six remaining families. A four-point linkage analysis of all families excluded linkage from D18S69 to D18S55 (Zmax < -5). Thus, our data strongly suggest the presence of a second, yet unknown, locus for PFIC. The results indicate that great care should be taken when using 18q markers for prenatal diagnosis and genetic counseling for the disease.
Keyword
- MEDICINE
- MEDICIN
Publication and Content Type
- ref (subject category)
- art (subject category)
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