Orosomucoid and haptoglobin types in patients with sarcoidosis.
Association with HLA and complement factors has been reported in sarcoidosis, and the results of previous studies suggest a multifactorial and immunogenetic etiology of the disease. We have studied two genetic acute-phase reactant systems, orosomucoid (ORM) and haptoglobin ( HP), in 226 patients with sarcoidosis and population controls from northern Sweden. Significant allele and phenotype differences between patients and controls were found in both systems. The ORM1 phenotype showed a significant increase in sarcoidosis (RR = 1.34, p = 0.036), which was more pronounced among patients with low (< 1,500 nkat/l) angiotensin-converting enzyme levels (RR = 1.83, p = 0.00065) and hypercalcemia (RR = 3.69, p = 0.0023). The HP1 type was significantly increased among the sarcoidosis patients (RR = 1.57, p = 0.013). The results suggest that the ORM1 1 and HP1 types may be contributory determinants in the multifactorial etiology of sarcoidosis.[1]References
- Orosomucoid and haptoglobin types in patients with sarcoidosis. Fan, C., Nylander, P.O., Sikström, C., Thunell, M. Exp. Clin. Immunogenet. (1995) [Pubmed]
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