Evidence-Based Complementary and Alternative Medicine / 2013 / Article / Fig 2

Research Article

Reconstitution of Kidney Side Population Cells after Ischemia-Reperfusion Injury by Self-Proliferation and Bone Marrow-Derived Cell Homing

Figure 2

Hypoxia induces the increase in SP cell paracrine actions in vitro and in vivo. ((a) and (b)) Effect of hypoxia and SD alone or a combination of both on SP and non-SP cell paracrine actions in vitro. Cultured kidney SP (a) and non-SP (b) cells were subjected to hypoxia and SD alone or in combination for 6 h, and then the secretion levels of VEGF, IGF-1, HGF, and SDF-1α were quantified by ELISA. The cells without both hypoxia and SD stimulation were used as controls. versus control; versus hypoxia. ((c)–(f)) ELISA was performed to detect the secretion levels of VEGF, IGF-1, HGF, and SDF-1α in the SP and non-SP cells separated from the ischemic (left) and nonischemic (right) kidneys of unilateral renal IRI mice. versus sham.

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