Specialist Updates 
Cardiology

Could an autoantibody underlie idiopathic cardiac arrest?

Research may implicate a hitherto unknown antibody to a calcium channel protein
Clare Pain
1
28 April 2020
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illustration of an IgG antibody protein

An autoantibody to a calcium channel may play a role in idiopathic cardiac arrest, a preliminary study suggests.

Swiss researchers collected serum from 74 participants (mean age 52 years) in the Montreal Heart Institute hospital cohort and screened the serum samples for autoantibodies to 33 cardiac receptor proteins, including all known cardiac ion channel proteins.

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