The archives of bone and joint surgery · 2018
High Serum Alpha-2-Macroglobulin Level in Patients with Osteonecrosis of the Femoral Head.
СтатьяНазвание и аннотация: Перевод в очереди
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Ghale-Noie Zari Naderi, Hassani Mohammad, Kachooei Amir R, Kerachian Mohammad A
Аннотация
BACKGROUND: Diagnosis of osteonecrosis of the femoral head (ONFH) is complicated due to the lack of reliable serum biomarkers. Up-regulation of alpha-2-macroglobulin (A2M) gene has been reported in glucocorticoid-induced ANFH rat model. This study aimed to investigate whether the serum level of alpha-2-macroglobulin (A2M) can be used for ONFH diagnosis.
METHODS: Serum protein capillary electrophoresis was performed on the sera of 36 ONFH patients. Also, human enzyme-linked immunosorbent assay was performed to evaluate the serum levels of A2M.
RESULTS: Alpha-2 subunit level, composed of alpha-2-macroglobulin, ceruloplasmin and 2-2 haptoglobin phenotype, was increased significantly as compared to healthy subjects (P=0.0001). Moreover, ELISA assay confirmed significant elevation in the A2M (P=0.037).
CONCLUSION: Our findings suggest that avascular necrotic femur head presumably directly or indirectly elevates A2M in the bloodstream. Thus, serum level of A2M might be used as a reliable diagnostic tool in clinical practice.
METHODS: Serum protein capillary electrophoresis was performed on the sera of 36 ONFH patients. Also, human enzyme-linked immunosorbent assay was performed to evaluate the serum levels of A2M.
RESULTS: Alpha-2 subunit level, composed of alpha-2-macroglobulin, ceruloplasmin and 2-2 haptoglobin phenotype, was increased significantly as compared to healthy subjects (P=0.0001). Moreover, ELISA assay confirmed significant elevation in the A2M (P=0.037).
CONCLUSION: Our findings suggest that avascular necrotic femur head presumably directly or indirectly elevates A2M in the bloodstream. Thus, serum level of A2M might be used as a reliable diagnostic tool in clinical practice.