Changes in biochemical markers in Russian patients with various forms of multiple sclerosis
CLINICAL LABORATORY DIAGNOSTICS
Abstract
Introduction. Clinical symptoms and immunological mechanisms of multiple sclerosis are highly individual, therefore, for the diagnosis and treatment of multiple sclerosis, it is necessary to search for key diagnostic biomarkers. The aim of the study was to evaluate the spectrum of hematological biomarkers in patients with multiple sclerosis for the differential diagnosis of its various forms. Materials and methods. The study included biomaterial (blood serum and plasma) from 102 patients (31 men and 72 women) aged 47.9±5.0 years. The experimental group consisted of 63 patients (21 men and 42 women) aged 46.5±1.2 years with a diagnosis of multiple sclerosis and its various forms: relapsing-remitting, secondary progressive, and primary progressive. The control group consisted of samples from 39 apparently healthy donors (10 men and 29 women) aged 52.4±14.5 years. Protein biomarker concentrations in serum and plasma were analyzed using multiplex immunofluorescence assay using the HCYTOMAG-60K, HADK1MAG-61K, HND3MAG-39K-07, HNDG3MAG-36K, and
HCMBMAG-22K MILLIPLEX MAP reagent panels (Merck, Millipore, USA). Results. In all groups of patients with multiple sclerosis, there was an increase in resistin (relapsing-remitting multiple sclerosis p=0.0007, secondary progressive multiple sclerosis p=0.0401, primary progressive multiple sclerosis p=0.0005) and NSE (secondary progressive multiple sclerosis p=0.0012, relapsing-remitting multiple sclerosis and primary progressive multiple sclerosis p <0.0001), a decrease in MCP-1 (secondary progressive multiple sclerosis p=0.0193, relapsing-remitting multiple sclerosis and primary progressive multiple sclerosis p <0.0001) and eotaxin (relapsing-remitting multiple sclerosis p=0.0172, secondary progressive multiple sclerosis p=0.0364, primary progressive multiple sclerosis p=0.003). In patients with primary progressive multiple sclerosis and relapsing-remitting multiple sclerosis, an increase in IP-10 (p <0.0001 and p=0.0009) and a decrease in PDGF-AB/BB (p=0.0013) were detected. In the secondary progressive multiple sclerosis and primary progressive multiple sclerosis groups, an increase in VCAM-1 was found (p=0.0008 and p=0.0003), while in the primary progressive multiple sclerosis group, a decrease in contactin-1 (p=0.0002) and kallikrein-6 (p=0.0004) levels was also noted. Conclusions. Thus, it was established that biomarker changes in multiple sclerosis patients depend on the disease course.
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