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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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PNH is associated with deficiency of:
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The correct answer is  Out of all the options given GPI Anchored Proteins is the best answer because DAF, MIRL and LFA are among the various GPI proteins found to be deficient in PNH. Ref: Wintrobe's Clinical Hematology By John P. Greer, Maxwell Myer Wintrobe, Page 1007.