OMIA:002602-9615 : Cerebellar abiotrophy, VMP1-related in Canis lupus familiaris
Categories: Nervous system phene
Possibly relevant human trait(s) and/or gene(s) (MIM number): 611753 (gene)
Links to MONDO diseases: No links.
Mendelian trait/disorder: yes
Mode of inheritance: Autosomal recessive
Considered a defect: yes
Key variant known: yes
Year key variant first reported: 2022
Species-specific description: Cerebellar abiotropy has been first described in Australian kelpies by Thomas and Robertson in 1989. Wade et al. (2022) "identified two distinct clinical and pathological features of CA in Australian working kelpies. These were associated with two separate genomic regions ... An early-onset CA form is observable within a few weeks of birth and in some cases is seen within days of birth. This form affects dogs that are homozygous for a risk marker on CFA20 [see 'OMIA 000175-9615 : Cerebellar abiotrophy in Canis lupus familiaris']. A second region of association, identified on CFA9, is associated with a later-onset form of CA [described in this OMIA entry] that is not usually diagnosed until the dogs are 4–6 months or older."
Mapping: Wade et al. (2022): “Investigation of clinical and pathological features [in Australian working kelpie dogs] indicated two closely related diseases with differences in age of onset. … A genome-wide association study on 45 CA affected and 290 normal healthy Kelpies identified two significantly associated loci, one on CFA9 and a second on CFA20. [See 'OMIA 000175-9615 : Cerebellar abiotrophy in Canis lupus familiaris' for information on the early onset (clinical signs before ten weeks of age) disease associated with the the risk haplotype on CFA20] ... Genome-wide significant association identified a second significant region of association CFA9:32,419,297–35,242,435 (UU GSD1.0)."
Molecular basis: Wade et al. (2022): "one dog exhibiting symptoms of CA, its dam, and a sib without symptoms at the time of observation ... were subjected to whole-genome sequencing (WGS) on the Illumina HiSeq 2500 platform ... . A further five whole genome sequences from unrelated healthy AWK were obtained by collaboration ... . ... The most associated array marker: BICF2G630835610 CFA9:32,949,504G>A, (pgenome 5.13 × 10−8) segregated in perfect LD with a missense variant in the fifth exon of VMP1 NM_030938p.P160Q."
Breed: Australian Working Kelpie.
|Symbol||Description||Species||Chr||Location||OMIA gene details page||Other Links|
|VMP1||vacuole membrane protein 1||Canis lupus familiaris||9||NC_006591.3 (34197093..34341502)||VMP1||Homologene, Ensembl , NCBI gene|
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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.
Since October 2021, OMIA includes a semiautomated lift-over pipeline to facilitate updates of genomic positions to a recent reference genome position. These changes to genomic positions are not always reflected in the ‘acknowledgements’ or ‘verbal description’ fields in this table.
|OMIA Variant ID||Breed(s)||Variant Phenotype||Gene||Allele||Type of Variant||Source of Genetic Variant||Reference Sequence||Chr.||g. or m.||c. or n.||p.||Verbal Description||EVA ID||Inferred EVA rsID||Year Published||PubMed ID(s)||Acknowledgements|
|1512||Australian Working Kelpie||Cerebellar abiotrophy||VMP1||missense||Naturally occurring variant||UU_Cfam_GSD_1.0||9||g.34218228C>A||p.(P160Q)||2022||36292596|
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.
|2022||Wade, C.M., Pan, A.Y.H., Taylor, R.M., Williamson, P. :|
|Cerebellar abiotrophy in Australian Working Kelpies is associated with two major risk loci. Genes (Basel) 13:1709, 2022. Pubmed reference: 36292596 . DOI: 10.3390/genes13101709.|
|2017||Pan, A.Y.H., Wade, C.M., Taylor, R.M., Williamson, P. :|
|Exclusion of known gene loci for cerebellar abiotrophy in the Australian Working Kelpie. Anim Genet 48:730-732, 2017. Pubmed reference: 28850678 . DOI: 10.1111/age.12594.|
|2011||Shearman, J.R., Cook, R.W., McCowan, C., Fletcher, J.L., Taylor, R.M., Wilton, A.N. :|
|Mapping cerebellar abiotrophy in Australian Kelpies. Anim Genet 42:675-678, 2011. Pubmed reference: 22035013 . DOI: 10.1111/j.1365-2052.2011.02199.x.|
|2008||Shearman, JR., Lau, VM., Wilton, AN. :|
|Elimination of SETX, SYNE1 and ATCAY as the cause of cerebellar abiotrophy in Australian Kelpies. Anim Genet 39:573, 2008. Pubmed reference: 18557972 . DOI: 10.1111/j.1365-2052.2008.01753.x.|
|1989||Thomas, JB., Robertson, D. :|
|Hereditary cerebellar abiotrophy in Australian kelpie dogs. Aust Vet J 66:301-2, 1989. Pubmed reference: 2818374 .|
- Changed by Imke Tammen2 on 26 Nov 2022
- Created by Imke Tammen2 on 26 Nov 2022