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OMIA 001455-9615 : Cone-rod dystrophy, Standard Wire-haired Dachshund in Canis lupus familiaris

Possibly relevant human trait(s) and/or gene(s)s (MIM numbers): 606966 , 606996

Mendelian trait/disorder: yes

Mode of inheritance: Autosomal Recessive

Considered a defect: yes

Key variant known: yes

Year key variant first reported: 2008

Cross-species summary: This disorder has been renamed in OMIA on the basis of the review by Miyadera et al. (2012)

Species-specific symbol: CRD^SWHD

Mapping: Wiik et al. (2008) conducted a GWAS on 13 affected and 13 control Standard Wire-Haired Dachshunds, each genotyped with the Affymetrix version 2 Dog SNP (yielding 49,663 informative SNPs for analysis). They reporte that "For the first time, we use genome-wide association-based Sibling Transmission Disequilibrium Test (sibTDT) analysis of only 13 discordant sib-pairs to identify a single significantly associated 6.5-Mb region (PrawTDT = 4.8 × 10−5, PgenomeTDT = 6 × 10−4) on canine chromosome 5, containing more than 70 genes".

Molecular basis: Sequencing of positional candidate genes in the CFA5 region (see Mapping section) by Wiik et al. (2008) "identified a 180-bp deletion in exon/intron 5 of NPHP4 (nephronophthisis 4, also known as nephroretinin)".

Palánová et al. (2014) "analyzed all varieties of Dachshunds from the Czech Republic and five other dog breeds and found that the deletion in the NPHP4 (in heterozygous state) is present not only in standard-, but also in miniature wire-haired Dachshunds, but not in other varieties of Dachshunds or in other breeds."

Breed: Standard wire-haired dachshund.

Associated gene:

Symbol Description Species Chr Location OMIA gene details page Other Links
NPHP4 nephronophthisis 4 Canis lupus familiaris 5 NC_051809.1 (60152631..60022493) NPHP4 Homologene, Ensembl, NCBI gene

Variants

By default, variants are sorted chronologically by year of publication, to provide a historical perspective. Readers can re-sort on any column by clicking on the column header. Click it again to sort in a descending order. To create a multiple-field sort, hold down Shift while clicking on the second, third etc relevant column headers.

WARNING! Inclusion of a variant in this table does not automatically mean that it should be used for DNA testing. Anyone contemplating the use of any of these variants for DNA testing should examine critically the relevant evidence (especially in breeds other than the breed in which the variant was first described). If it is decided to proceed, the location and orientation of the variant sequence should be checked very carefully.

Breed(s) Variant Phenotype Gene Allele Type of Variant Reference Sequence Chr. g. or m. c. or n. p. Verbal Description EVA ID Year Published PubMed ID(s) Acknowledgements
Miniature Wirehaired Dachshund Standard wire-haired dachshund Cone-rod dystrophy, Standard Wire-haired Dachshund NPHP4 deletion, gross (>20) "a 180-bp deletion in exon/intron 5 of NPHP4 (nephronophthisis 4, also known as nephroretinin)" 2008 18687878
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References


Note: the references are listed in reverse chronological order (from the most recent year to the earliest year), and alphabetically by first author within a year.
2014 Palánová, A., Schröffelová, D., Přibáňová, M., Dvořáková, V., Stratil, A. :
Analysis of a deletion in the nephronophthisis 4 gene in different dog breeds. Vet Ophthalmol 17:76-8, 2014. Pubmed reference: 23998563. DOI: 10.1111/vop.12092.
2012 Miyadera, K., Acland, G.M., Aguirre, G.D. :
Genetic and phenotypic variations of inherited retinal diseases in dogs: the power of within- and across-breed studies. Mamm Genome 23:40-61, 2012. Pubmed reference: 22065099. DOI: 10.1007/s00335-011-9361-3.
2009 Wiik, AC., Thoresen, SI., Wade, C., Lindblad-Toh, K., Lingaas, F. :
A population study of a mutation allele associated with cone-rod dystrophy in the standard wire-haired dachshund. Anim Genet 40:572-4, 2009. Pubmed reference: 19392817. DOI: 10.1111/j.1365-2052.2009.01877.x.
2008 Ropstad, E.O., Narfström, K., Lingaas, F., Wiik, C., Bruun, A., Bjerkås, E. :
Functional and structural changes in the retina of wire-haired dachshunds with early-onset cone-rod dystrophy. Invest Ophthalmol Vis Sci 49:1106-15, 2008. Pubmed reference: 18326738. DOI: 10.1167/iovs.07-0848.
Wiik, A.C., Wade, C., Biagi, T., Ropstad, E.O., Bjerkås, E., Lindblad-Toh, K., Lingaas, F. :
A deletion in nephronophthisis 4 (NPHP4) is associated with recessive cone-rod dystrophy in standard wire-haired dachshund. Genome Res 18:1415-21, 2008. Pubmed reference: 18687878. DOI: 10.1101/gr.074302.107.
2007 Ropstad, E.O., Bjerkås, E., Narfström, K. :
Clinical findings in early onset cone-rod dystrophy in the Standard Wire-haired Dachshund. Vet Ophthalmol 10:69-75, 2007. Pubmed reference: 17324160. DOI: 10.1111/j.1463-5224.2007.00503.x.

Edit History


  • Created by Frank Nicholas on 28 Aug 2008
  • Changed by Frank Nicholas on 26 Sep 2011
  • Changed by Frank Nicholas on 07 Dec 2011
  • Changed by Frank Nicholas on 12 Dec 2011
  • Changed by Frank Nicholas on 05 Dec 2012
  • Changed by Frank Nicholas on 21 May 2013
  • Changed by Frank Nicholas on 10 Sep 2014