Increased plasma macrophage inflammatory protein (MIP)-1 alpha and MIP-1 beta levels in type 1 Gaucher disease

Marielle J. van Breemen, Maaike de Fost, Jane S. A. Voerman, Jon D. Laman, Rolf G. Boot, Mario Maas, Carla E. M. Hollak, Johannes M. Aerts, Farhad Rezaee

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Abstract

Pancytopenia, hepatosplenomegaly and skeletal complications are hallmarks of Gaucher disease. Monitoring of the outcome of therapy on skeletal status of Gaucher patients is problematic since currently available imaging techniques are expensive and not widely accessible. The availability of a blood test that relates to skeletal manifestations would be very valuable. We here report that macrophage inflammatory protein (MIP)-1 alpha and MIP-1 beta, both implicated in skeletal complications in multiple myeloma (MM), are significantly elevated in plasma of Gaucher patients. Plasma MIP-1 alpha of patients (median 78 pg/ml, range 21-550 pg/ml, n = 48) is elevated (normal median 9 pg/ml, range 0-208 pg/ml, n = 39). Plasma MIP-1 beta of patients (median 201 pg/ml, range 59-647 pg/ml, n = 49) is even more pronouncedly increased (non-nal median 17 pg/ ml, range 1-41 pg/ml, n = 39; one outlier: 122 pg/ml). The increase in plasma MIP-1 beta levels of Gaucher patients is associated with skeletal disease. The plasma levels of both chemokines decrease upon effective therapy. Lack of reduction of plasma MIP-1 beta below 85 pg/ml during 5 years of therapy was observed in patients with ongoing skeletal disease. In conclusion, MIP-1 alpha and MIP-1 beta are elevated in plasma of Gaucher patients and remaining high levels of MIP-1 beta during therapy seem associated with ongoing skeletal disease. (c) 2007 Elsevier B.V. All rights reserved
Original languageEnglish
Pages (from-to)788-796
JournalBiochimica et Biophysica Acta-Molecular Basis of Disease
Volume1772
Issue number7
DOIs
Publication statusPublished - 2007

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