A "Myositis Profile IgG 11 Antigens" test measures the presence and levels of IgG antibodies against specific antigens associated with myositis, an inflammatory muscle disease. This profile typically includes testing for antibodies against multiple antigens linked to different types of myositis. Here’s what it measures: 1. **Antibody Detection**: The test identifies IgG antibodies against various antigens associated with myositis. These antigens may include: - **Jo-1** (Histidyl-tRNA synthetase) - **PL-7** (Threonyl-tRNA synthetase) - **PL-12** (AlanyltRNA synthetase) - **OA-1** (Not specific but may include other antigens associated with myositis) - **Mi-2** - **TIF1γ** (Transcription intermediary factor 1 gamma) - **SRP** (Signal recognition particle) - **Anti-Synthetase** antibodies - **Anti-Mi-2** antibodies - **Anti-SRP** antibodies - **Anti-TIF1γ** antibodies 2. **Diagnosis of Myositis**: Helps in diagnosing different types of myositis, including dermatomyositis, polymyositis, and overlap syndromes. The presence of specific antibodies can help differentiate between these conditions and establish a diagnosis. 3. **Assessment of Disease**: Provides information on the type and extent of the autoimmune response, which can help in understanding disease severity and progression. 4. **Monitoring Treatment**: Can be used to monitor the effectiveness of treatment and disease activity by tracking changes in antibody levels over time. In summary, a Myositis Profile IgG 11 Antigens test measures IgG antibodies against a panel of 11 antigens associated with myositis, aiding in diagnosis, disease assessment, and monitoring.
Clinical purpose and recommended diagnostic indicators
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High-precision biochemical markers evaluated following standard medical pathology protocols. Dual MD Pathologist verification included on report.
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