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. 2018 Apr 11;8:5812. doi: 10.1038/s41598-018-24228-y

Figure 4.

Figure 4

Expression of complement components and receptors and ICAM-1. (A) C3a, C3ar, and C5ar expression in monocytes and macrophages. (B) Gene expression analysis in MN cells. (C) Images of C5a and ß-actin were taken from 2 different parts of the same gel. C5a expression was not detected by RT-PCR in monocytes, macrophages, or MN cells of B6 or C3H mice. Liver tissue was used as a positive control. In DCC-susceptible C3H mice, C3a and C3ar were highly expressed in the early stages of cell differentiation, but expression of C3 increased much more slowly during macrophage differentiation. C3a and C3ar expression in MN cells was not significantly different between the strains. No expression of C5a was detected in either group (C), although the MN cells of B6 mice tended to express higher levels of C5ar (B,D) ICAM-1 release from macrophages of B6 and C3H mice was analyzed by ELISA. Higher release of ICAM-1 was observed from the macrophages of calcification-susceptible C3H mice. (E) Expression of ICAM-1 in calcifying myocardial tissue from C3H mice compared with non-calcifying tissue from B6 mice following freeze–thaw injury.