{"topic_id":"companion_breed_health_english_springer_spaniel_omia5516_dog","category":"companion-breed-health","context":"---\nlicense: permission_granted\ntopic_id: companion_breed_health_english_springer_spaniel_omia5516_dog\ncategory: companion-breed-health\ntitle: \"English Springer Spaniel — Long QT syndrome, KCNQ1-related (hereditary; OMIA-verified breed predisposition)\"\nlang: en\nsource: \"OMIA (Online Mendelian Inheritance in Animals, University of Sydney) breed-specific hereditary-disorder record, saved verbatim to source_file; C1 substring-verified. Pulled 2026-08-02 from local OMIA database dump.\"\nsource_file: pdf-raw/breed-health/english_springer_spaniel_omia5516_5516.txt\ndate_parsed: 2026-08-02\ntokens_estimated: 123\nverification:\n  method: substring_match\n  claims: 5\n  passed: 5\n  date: 2026-08-02\nrecovered: false\npath: companion-breed-health/companion_breed_health_english_springer_spaniel_omia5516_dog/01_companion_breed_health_english_springer_spaniel_omia5516_dog.md\nsource_document: \"OMIA — Online Mendelian Inheritance in Animals (University of Sydney)\"\ncitation:\n  authority: \"OMIA — Online Mendelian Inheritance in Animals (University of Sydney)\"\n  title: \"English Springer Spaniel — Long QT syndrome, KCNQ1-related (hereditary; OMIA-verified breed predisposition)\"\n  url: \"https://omia.org/OMIA002332/9615/\"\n  retrieved: \"2026-08-02\"\n  ref: \"OMIA breed-specific hereditary-disorder records (omia.org), derived from local OMIA database dump; dataset: https://doi.org/10.25910/2AMR-PV70\"\n  doc_type: \"academic animal-genetics database (breed-specific disorder entries)\"\n  needs_review: false\n\n\n# English Springer Spaniel — Long QT syndrome, KCNQ1-related (hereditary; OMIA-verified breed predisposition)\n\nSource: first-hand OMIA (University of Sydney) breed-specific hereditary-disorder record, saved verbatim to `source_file`; every claim below is a C1 byte-substring of it.\n\n## Claims\n\n- `Breed: English Springer Spaniel (Dog)`\n- `Disorder: `\n- `Mode of inheritance: Autosomal dominant`\n- `Clin feat: Ware et al. (2015): A 5-year-old, healthy English Springer Spaniel died suddenly 4 months after delivering a litter of 7 puppies. Within 4 months of the dam's death, 3 offspring also died suddenly. ... Three of 4 littermates examined ... had prolonged QT intervals with unique T-wave morphology.`\n- `Defect: yes`\n## Associated gene(s)\nDerived from OMIA database dump (omia.xml, local); structured field, not verbatim prose. First-hand values below are verbatim substrings of the topic's pdf-raw/omia/<phene_id>.txt source file.\n- Gene: Entrez Gene ID 388250219 (no symbol in OMIA GeneSynonym) — OMIA Phene_Gene\n- OMIA molecular-genetics note: Ware et al. (2015): \"DNA sequencing of the KCNQ1 [functional candidate] gene identified a heterozygous single base pair mutation, unique to these 3 [affected English Springer Spaniel] dogs, which changes a conserved amino acid from threonine to lysine and is predicted to change protein structure.\"\n\n## Evidence (references)\nDerived from OMIA database dump (omia.xml, local); structured field, not verbatim prose. First-hand values below are verbatim substrings of the topic's pdf-raw/omia/<phene_id>.txt source file.\n- 2023. The role of personalized medicine in companion animal cardiology. Vet Clin North Am Small Anim Pract — PubMed:PMID37423841 | DOI:10.1016/j.cvsm.2023.05.016 — OMIA Phene_Article / Article\n- 2015. Sudden death associated with QT interval prolongation and KCNQ1 gene mutation in a family of English Springer Spaniels. J Vet Intern Med — PubMed:PMID25779927 | DOI:10.1111/jvim.12550 — OMIA Phene_Article / Article\n\n## Comparative medicine (human OMIM)\nDerived from OMIA database dump (omia.xml, local); structured field, not verbatim prose. First-hand values below are verbatim substrings of the topic's pdf-raw/omia/<phene_id>.txt source file.\n- OMIM:192500 (type: trait) — OMIA Group_OMIM (via OMIA_ID)\n- OMIM:607542 (type: gene) — OMIA Group_OMIM (via OMIA_ID)\nverification_derived:\n  method: derived_from_dataset\n  source: \"OMIA database dump (omia.xml, local); fields Gene/Variant/Article/OMIM\"\n  note: \"Structured fields (gene, variant rsID/protein change, PubMed/DOI references, OMIM cross-link) extracted from OMIA dump and presented with first-hand values; not verbatim prose.\"\n","sources":["companion-breed-health — English Springer Spaniel — Long QT syndrome, KCNQ1-related (hereditary; OMIA-verified breed predisposition)"],"source":{"authority":"companion-breed-health","title":"English Springer Spaniel — Long QT syndrome, KCNQ1-related (hereditary; OMIA-verified breed predisposition)","url":"https://pubmed.ncbi.nlm.nih.gov/37423841/","retrieved":"","ref":"PMID 37423841","doc_type":"official source","source_document":"","verification_file":""},"source_document":"","source_file":"","trust":{"authority_tier":"ungraded","fidelity":"verbatim","license":null,"display_grade":"pending"},"tokens_estimated":642,"generated_at":null,"tip":"Use /api/v1/topics to discover more topics. /api/v1/nutrient for precise single-point queries. /api/v1/cross_compare for 2-3 standard comparisons."}