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  Identification and characterization of Pkhd1, the mouse orthologue of the human ARPKD gene

Nagasawa, Y., Matthiesen, S., Onuchic, L. F., Hou, X. Y., Bergmann, C., Esquivel, E., et al. (2002). Identification and characterization of Pkhd1, the mouse orthologue of the human ARPKD gene. Journal of the American Society of Nephrology, 13(9), 2246-2258.

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Genre: Journal Article
Alternative Title : J. Am. Soc. Nephrol.

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 Creators:
Nagasawa, Y., Author
Matthiesen, S., Author
Onuchic, L. F., Author
Hou, X. Y., Author
Bergmann, C., Author
Esquivel, E., Author
Senderek, J., Author
Ren, Z. Y., Author
Zeltner, R., Author
Furu, L., Author
Avner, E., Author
Moser, M.1, Author           
Somlo, S., Author
Guay-Woodford, L., Author
Buttner, R., Author
Zerres, K., Author
Germino, G. G., Author
Affiliations:
1Fässler, Reinhard / Molecular Medicine, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565147              

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 Abstract: PKHD1, the gene mutated in human autosomal recessive polycystic kidney disease has recently been identified. Its translation products are predicted to belong to a superfamily of proteins involved in the regulation of cellular adhesion and repulsion. One notable aspect of the gene is its unusually complex pattern of splicing. This study shows that mouse Pkhd1 and its translation products have very similar properties to its human orthologue. Mouse Pkhd1 extends over approximately 500 kb of genomic DNA, includes a minimum of 68 nonoverlapping exons, and exhibits a complex pattern of splicing. The longest ORF encodes a protein of 4059aa predicted to have an N-terminal signal peptide, multiple IPTs and PbH1 repeats, a single transmembrane span (TM), and a short cytoplasmic C-terminus. Although the protein sequence is generally well conserved (approximately 73% average identity), the C-termini share only 55% identity. The pattern of Pkhd1 expression by in situ hybridization was also examined in developing and adult mouse tissues over a range of ages (E12.5 to 3 mo postnatal). High levels of expression were present in renal and biliary tubular structures at all time points examined. Prominent Pkhd1 signals were also found in a number of other organs and tissues. Tissue-specific differences in transcript expression were revealed through the use of single exon probes. These data show that key features of human PKHD1 are highly conserved in the mouse and suggest that the complicated pattern of splicing is likely to be functionally important.

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Language(s): eng - English
 Dates: 2002-09
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 41644
ISI: 000177687000007
 Degree: -

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Title: Journal of the American Society of Nephrology
  Alternative Title : J. Am. Soc. Nephrol.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 13 (9) Sequence Number: - Start / End Page: 2246 - 2258 Identifier: ISSN: 1046-6673