Factor V Leiden is caused due to a mutation that results in a substitution at position 506 glutamine to which of the following:
Correct Answer: Arginine
Description: Mutation in factor V (called the Leiden mutation, after the city in the Netherlands where it was discovered) causes recurrent DVTs. The mutation results in a glutamine to arginine substitution at position 506 that renders factor V resistant to cleavage by protein C. As a result, an impoant antithrombotic counter-regulatory pathway is lost Ref: Robbins 8th edition Chapter 4.
Category:
Pathology
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