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Entry
map05414                    Pathway                                

Name
Dilated cardiomyopathy (DCM)
Description
Dilated cardiomyopathy (DCM) is a heart muscle disease characterised by dilation and impaired contraction of the left or both ventricles that results in progressive heart failure and sudden cardiac death from ventricular arrhythmia. Genetically inherited forms of DCM ("familial" DCM) have been identified in 25-35% of patients presenting with this disease, and the inherited gene defects are an important cause of "familial" DCM. The pathophysiology may be separated into two categories: defects in force generation and defects in force transmission. In cases where an underlying pathology cannot be identified, the patient is diagnosed with an "idiopathic" DCM. Current hypotheses regarding causes of "idiopathic" DCM focus on myocarditis induced by enterovirus and subsequent autoimmune myocardium impairments. Antibodies to the beta1-adrenergic receptor (beta1AR), which are detected in a substantial number of patients with "idiopathic" DCM, may increase the concentration of intracellular cAMP and intracellular Ca2+, a condition often leading to a transient hyper-performance of the heart followed by depressed heart function and heart failure.
Class
Human Diseases; Cardiovascular diseases
BRITE hierarchy
Pathway map
map05414  Dilated cardiomyopathy (DCM)
map05414

Ortholog table
Disease
H00294  Dilated cardiomyopathy
H00728  Brugada syndrome
Reference
  Authors
Fatkin D, Graham RM
  Title
Molecular mechanisms of inherited cardiomyopathies.
  Journal
Physiol Rev 82:945-80 (2002)
DOI:10.1152/physrev.00012.2002
Reference
  Authors
Lappe JM, Pelfrey CM, Tang WH
  Title
Recent insights into the role of autoimmunity in idiopathic dilated cardiomyopathy.
  Journal
J Card Fail 14:521-30 (2008)
DOI:10.1016/j.cardfail.2008.02.016
Reference
  Authors
Zhao P, Sharma AC, Ren J
  Title
Pathogenesis and therapy of autoimmunity-induced dilated cardiomyopathy.
  Journal
Front Biosci 14:1708-15 (2009)
DOI:10.2741/3334
Reference
  Authors
Franz WM, Muller OJ, Katus HA
  Title
Cardiomyopathies: from genetics to the prospect of treatment.
  Journal
Lancet 358:1627-37 (2001)
DOI:10.1016/S0140-6736(01)06657-0
Reference
  Authors
Towbin JA, Bowles NE
  Title
The failing heart.
  Journal
Nature 415:227-33 (2002)
DOI:10.1038/415227a
Reference
  Authors
Luk A, Ahn E, Soor GS, Butany J
  Title
Dilated cardiomyopathy: a review.
  Journal
J Clin Pathol 62:219-25 (2009)
DOI:10.1136/jcp.2008.060731
Reference
  Authors
Yoshikawa T, Baba A, Nagatomo Y
  Title
Autoimmune mechanisms underlying dilated cardiomyopathy.
  Journal
Circ J 73:602-7 (2009)
DOI:10.1253/circj.CJ-08-1151
Reference
  Authors
Mason JW
  Title
Myocarditis and dilated cardiomyopathy: an inflammatory link.
  Journal
Cardiovasc Res 60:5-10 (2003)
DOI:10.1016/S0008-6363(03)00437-1
Reference
  Authors
Jahns R, Boivin V, Hein L, Triebel S, Angermann CE, Ertl G, Lohse MJ
  Title
Direct evidence for a beta 1-adrenergic receptor-directed autoimmune attack as a cause of idiopathic dilated cardiomyopathy.
  Journal
J Clin Invest 113:1419-29 (2004)
DOI:10.1172/JCI20149
Reference
  Authors
Liu PP, Mason JW
  Title
Advances in the understanding of myocarditis.
  Journal
Circulation 104:1076-82 (2001)
DOI:10.1161/hc3401.095198
Reference
  Authors
Tam PE
  Title
Coxsackievirus myocarditis: interplay between virus and host in the pathogenesis of heart disease.
  Journal
Viral Immunol 19:133-46 (2006)
DOI:10.1089/vim.2006.19.133
KO pathway
ko05414   

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