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Int J Immunopathol Pharmacol. 2006 Apr-Jun;19(2):331-7.

Low levels of serum cholesterol/phospholipids are associated with the antiphospholipid antibodies in monoclonal gammopathy.

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Department of Clinical and Experimental Medicine, Physiopathology, Policlinico Monteluce, 06100 Perugia, Italy.


A decrease in cholesterol blood level, not due to a decrease synthesis by the liver, has been observed in patients suffering from tumors. In this work cholesterol blood was evaluated in patients affected by monoclonal gammopathy who were not subjected to any treatment. The blood of 25 patients were analyzed for protein and lipid content. Patients were divided according to the gamma protein content into three groups, and it was demonstrated that the group with high levels of gamma proteins presented a strong decrease in blood cholesterol and phospholipids. In these patients the presence of antibodies against phospholipids by using cardiolipin and phosphatidylinositol as antigens has also been demonstrated. The antibodies were rare in patients with a low content of gamma proteins and normal level of lipids, but the frequency was more than 80% in patients with low blood lipid levels.

[Indexed for MEDLINE]

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