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Updated: Mar 24, 2026

Experimental and Imaging Techniques for Examining Fibrin Clot Structures in Normal and Diseased States
Published on: April 1, 2015
[Proteomics study on ficolin 3 in the human plasma of type 2 diabetics]
Objective:
To explore the expression trend of ficolin 3 (FCN3) in type 2 diabetes (T2DM) plasma.
Methods:
Two-dimensional polyacrylamide gel electrophoresis (2DE) was used to separate the plasma proteins from T2DM patients and healthy control subjects. MALDI-TOF-TOF was used to identify the differential proteins. Western Blot and enzyme-linked immune response (ELISA) were used to verify the results from 2DE.
Results:
The experiment on 2DE showed complement C1s subcomponent, complement C3, C9 and FCN3 were up-regulated in the plasma of T2DM patients. The Western Blot results showed that C9 and FCN3 increased in the plasma of T2DM patients with respect to T2DM-free subjects. The experiment results on ELISA showed that the plasma concentration of FCN3 were (50.88 ± 3.85 ) and (36.20 ± 2.75 ) μg/mL (P = 0.0062) in T2DM and T2DM-free, respectively. The plasma concentration of C9 were (26.22 ± 1.43) and (19.23 ± 1.55) μg/mL (P = 0.0022) in T2DM and T2DM-free. FCN3 and C9 were up-regulated in T2DM plasma.
Conclusion:
FCN3 over-expressed in the plasma of T2DM patients,which activated the complement system in greater degree.
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