HDL2 JPH3

Disease ID
HDL2
Gene ID
JPH3
Updated
Oct 20, 2025
v2.12.0
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Disease

Name
Huntington disease-like 2
Inheritance
Autosomal dominant
Description
Prevalence
Age of Onset(Typical)Years12  6630  52
Age of Onset Details
Typical: 30-52; Range: 12-663 .

Locus

Details
Intermediate alleles (29-39) may either be premutations or associated with reduced penetrance; the longest pathogenic expansion (40+ motifs) to date is 60 repeats3
Mechanism
LoF/GoF
Year
20015
Location in Gene
Coding Exon 2
Gene Strand

Alleles

Ref. Motif
CTG
Pathogenic (ref.)
CTG
Pathogenic (gene)
CTG
BenignIntermediatePathogenicUnits6  2829  3940  60

gnomAD

Pathogenic Genotype (%)Admixed AmericanAfrican/African AmericanAmishAshkenazi JewishEuropean (non Finnish)FinnishMiddle EasternSouth AsianEast AsianOthers01234567JPH3

Pathogenic Genotype (%): % of individuals predicted to be affected based on their genotype

References

Direct supporting references for info on this page.

1
Ontology Lookup Service (OLS)
mondo:0011671
2
orphanet:98934
3
Huntington Disease-Like 2
GeneReviews® · 1993-01-01
genereviews:NBK1529
4
Archives of medical research · 2025-04-05
pmid:40187026
5
Nature genetics · 2001-12-01
pmid:11694876

Additional Literature

Additional literature related to this locus.

Raw PubMed search results
(All PubMed results returned by searching for this gene, tandem repeats, and disease, in medline format)

Parkinsonism & related disorders · 2025-09-03
pmid:40914005
bioRxiv : the preprint server for biology · 2024-06-22
pmid:38948793
Movement disorders clinical practice · 2024-05-09
pmid:38725192
Tremor and other hyperkinetic movements (New York, N.Y.) · 2024-04-02
pmid:38617831
Journal of the neurological sciences · 2023-06-10
pmid:37379724
Neuro-degenerative diseases · 2022-08-04
pmid:35926480
European journal of human genetics : EJHG · 2021-04-06
pmid:33824468
Journal of Huntington's disease · 2020-01-01
pmid:33044188
Journal of Huntington's disease · 2020-01-01
pmid:32675418
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Details
Page
/loci/hdl2_jph3/
Browser
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Engine
Blink 141.0.0.0
OS
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Device
CPU
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