What is the meaning of the English abbreviation AcAb?

Patient's question:

I have a history of habitual abortion and saw an article that left me some confusion. Please ask the doctor to explain.

Doctor's answer:

AcAb is an autoantibody targeting cardiolipin, which can interfere with phospholipid-dependent coagulation processes, inhibit the release of prostacyclin by endothelial cells, and is closely related to conditions such as thrombocytopenia and recurrent spontaneous abortion.

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