First Author | Randall DR | Year | 2006 |
Journal | Mol Genet Metab | Volume | 88 |
Issue | 3 | Pages | 235-43 |
PubMed ID | 16497528 | Mgi Jnum | J:110431 |
Mgi Id | MGI:3640225 | Doi | 10.1016/j.ymgme.2006.01.005 |
Citation | Randall DR, et al. (2006) Heparin cofactor II-thrombin complex in MPS I: A biomarker of MPS disease. Mol Genet Metab 88(3):235-43 |
abstractText | The mucopolysaccharidoses are a clinically heterogeneous group of lysosomal storage disorders presenting with broad multi-system disease and a continuous range of phenotypes. Currently, there are no objective biomarkers of MPS disease that clearly reflect disease severity or therapeutic responsiveness. Using proteomic studies in the murine MPS I model, we have identified the formation of the heparin cofactor II-thrombin (HCII-T) complex, a well-known serine protease inhibitor (serpin)-serine protease complex, as an informative biomarker for MPS I. MPS I patients showed a range of serum HCII-T concentrations from 46,000-208,600pM, whereas the control values varied from 115.1-398.0pM. HCII-T complex was also elevated in plasma from MPS I patients and mice. The degree of HCII-T complex formation appears to correlate with disease severity and is responsive to therapy. In addition to its role as a biomarker, the discovery of increased serpin-serine protease complex formation provides a valuable insight into possible pathophysiological mechanisms of MPS disease. |