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This section gives an overview of the disease, and where available shows the following:
More information can be found in the help pages.
✖Disease ID: | 861 | |
Name: | Sick sinus syndrome 2, autosomal dominant; SSS2 | |
Associated with: | 1 target |
Synonyms |
Atrial fibrillation with bradyarrhythmia | Familial sick sinus syndrome | Sick sinus syndrome | Sinus bradycardia syndrome, familial, autosomal dominant | Sinus node disease, familial, autosomal dominant |
Database Links |
Disease Ontology:
DOID:13884 OMIM: 163800 Orphanet: ORPHA166282 |
Click on the target name to link to its detailed view page
Where available, information is display on the role of the target in the disease; drugs which target the disease and their therapeutic use and side-effects.
If there is mutation data curated in GtoPdb this is indicated, with a link back to the appropriate section on the target detailed view page
Immuno ligand interactions - If available, a table of immuno-relevant ligands is shown. These ligands have been curated as having an association to the disease and possess interaction data with the target in GtoPdb. The approval status of the ligand is shown, along with curator comments and an indication of whether the target is considered the primary target of the ligand.
More information can be found in the help pages.
✖HCN4 | |
Drugs: | Ivabradine |
Side effects: | Not established |
Therapeutic use: | Stable angina pectoris |
Comments: | Individuals experience a range of symptoms including sick sinus syndrome with AV block, sinus node dysfunction with recurrent syncope, QT prolongation, polymorphic ventricular tachycardia and torsade de pointes and sinus bradycardia (40 bpm) with intermittent atrial fibrillation. |
References: | 1,4,6-7 |
Mutations: | HCN4 is associated with 6 mutation. Click here for details ![]() |
Click ligand name to view ligand summary page
Click the arrow in the final column to expand comments
More information can be found in the help pages.
✖No ligand related data available for Sick sinus syndrome 2, autosomal dominant; SSS2
1. Baruscotti M, Bucchi A, Difrancesco D. (2005) Physiology and pharmacology of the cardiac pacemaker ("funny") current. Pharmacol Ther, 107 (1): 59-79. [PMID:15963351]
2. Duhme N, Schweizer PA, Thomas D, Becker R, Schröter J, Barends TR, Schlichting I, Draguhn A, Bruehl C, Katus HA et al.. (2013) Altered HCN4 channel C-linker interaction is associated with familial tachycardia-bradycardia syndrome and atrial fibrillation. Eur Heart J, 34 (35): 2768-75. [PMID:23178648]
3. Laish-Farkash A, Glikson M, Brass D, Marek-Yagel D, Pras E, Dascal N, Antzelevitch C, Nof E, Reznik H, Eldar M et al.. (2010) A novel mutation in the HCN4 gene causes symptomatic sinus bradycardia in Moroccan Jews. J Cardiovasc Electrophysiol, 21 (12): 1365-72. [PMID:20662977]
4. Milanesi R, Baruscotti M, Gnecchi-Ruscone T, DiFrancesco D. (2006) Familial sinus bradycardia associated with a mutation in the cardiac pacemaker channel. N Engl J Med, 354 (2): 151-7. [PMID:16407510]
5. Nof E, Luria D, Brass D, Marek D, Lahat H, Reznik-Wolf H, Pras E, Dascal N, Eldar M, Glikson M. (2007) Point mutation in the HCN4 cardiac ion channel pore affecting synthesis, trafficking, and functional expression is associated with familial asymptomatic sinus bradycardia. Circulation, 116 (5): 463-70. [PMID:17646576]
6. Schulze-Bahr E, Neu A, Friederich P, Kaupp UB, Breithardt G, Pongs O, Isbrandt D. (2003) Pacemaker channel dysfunction in a patient with sinus node disease. J Clin Invest, 111 (10): 1537-45. [PMID:12750403]
7. Ueda K, Nakamura K, Hayashi T, Inagaki N, Takahashi M, Arimura T, Morita H, Higashiuesato Y, Hirano Y, Yasunami M et al.. (2004) Functional characterization of a trafficking-defective HCN4 mutation, D553N, associated with cardiac arrhythmia. J Biol Chem, 279 (26): 27194-8. [PMID:15123648]
8. Xu X, Marni F, Wu S, Su Z, Musayev F, Shrestha S, Xie C, Gao W, Liu Q, Zhou L. (2012) Local and global interpretations of a disease-causing mutation near the ligand entry path in hyperpolarization-activated cAMP-gated channel. Structure, 20 (12): 2116-23. [PMID:23103389]