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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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Anti U1-14NP antibody is seen in?-
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The correct answer is  Robbins basic pathology 9th edition page no 135,Heading =Mixed connective tissue disease Mixed connective tissue disease have high titers of antibodies to an RNP antigen called U1RNP. This disease also have features suggestive of SLE, polymyositis, orSS.