Effects of plasmapheresis on the plasma concentration of proteins used to monitor the disease process in multiple myeloma

We studied the influence of plasmapheresis on the plasma concentrations of proteins (IgG, IgA, beta 2-microglobulin) used for estimation of tumour cell mass in patients with multiple myeloma. Simultaneously, the effects of plasmapheresis on plasma concentrations of proteins (CRP, alpha 1-antitrypsin, haptoglobin) used for the assessment of inflammatory processes were studied. Also, changes in the plasma concentration of protein HC, a recently described protein occurring both as a free protein and as an IgA complex, were studied. The influence of plasmapheresis varied for the different proteins. The plasma levels of IgG, IgA, CRP, alpha 1-antitrypsin, and haptoglobin decreased during plasmapheresis. The simultaneous reduction of the level of protein HC was smaller than that of IgG, IgA and haptoglobin. The plasma concentration of beta 2-microglobulin did not decrease during plasmapheresis. The recovery rates of the proteins were found to be approximately inversely related to their molecular weights.

Grubb, AndersLund University,Lunds universitet,Avdelningen för klinisk kemi och farmakologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Cystatin C, njursjukdom, amyloidos och antibiotika,Forskargrupper vid Lunds universitet,Division of Clinical Chemistry and Pharmacology,Department of Laboratory Medicine,Faculty of Medicine,Cystatin C, renal disease, amyloidosis and antibiotics,Lund University Research Groups,Skåne University Hospital(Swepub:lu)kkem-agr (författare)
Holm, JanUmeå University,Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Malmö,Medicinska fakulteten,Department of Clinical Sciences, Malmö,Faculty of Medicine,Skåne University Hospital(Swepub:lu)hand-jho (författare)
Marklund, Stefan LUmeå University,Skåne University Hospital,Lund University (författare)
Umeå UniversityLund University (creator_code:org_t)

Av författaren/redakt...: Wahlin, Anders; Grubb, Anders; Holm, Jan; Marklund, Stefan ...

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Medicinska och f ...; och Läkemedelskemi

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