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Research Paper

Knockdown of G protein-coupled receptor-17 (GPR17) facilitates the regeneration and repair of myelin sheath post-periventricular leukomalacia (PVL)

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Pages 7314-7324 | Received 24 Jul 2021, Accepted 07 Sep 2021, Published online: 27 Sep 2021

Figures & data

Figure 1. Schedule of animal experiments

Figure 1. Schedule of animal experiments

Figure 2. The expression level of GPR17 and Olig1 in PVL rats was negatively related. a. The gene expression level of GPR17 and Olig1 was detected by RT-PCR (##p < 0.01 vs. sham). b. The expression level of GPR17 and Olig1 in PVL rats on Day 1 post-modeling was determined by Western blotting. c. The expression level of GPR17 and Olig1 in PVL rats on Day 3 post-modeling was determined by Western blotting. d. The expression level of GPR17 and Olig1 in PVL rats on Day 7 post-modeling was determined by Western blotting

Figure 2. The expression level of GPR17 and Olig1 in PVL rats was negatively related. a. The gene expression level of GPR17 and Olig1 was detected by RT-PCR (##p < 0.01 vs. sham). b. The expression level of GPR17 and Olig1 in PVL rats on Day 1 post-modeling was determined by Western blotting. c. The expression level of GPR17 and Olig1 in PVL rats on Day 3 post-modeling was determined by Western blotting. d. The expression level of GPR17 and Olig1 in PVL rats on Day 7 post-modeling was determined by Western blotting

Figure 3. The knockdown of GPR17 contributed to the repair and regeneration of myelin sheath post-PVL. The ultrastructure of brain tissue isolated from each animal was visualized by TEM

Figure 3. The knockdown of GPR17 contributed to the repair and regeneration of myelin sheath post-PVL. The ultrastructure of brain tissue isolated from each animal was visualized by TEM

Figure 4. GPR17 suppressed the migration of OPCs by downregulating Olig1. a. Their migration ability was evaluated by a wound healing assay. b. The gene expression levels of GPR17 and Olig1 were determined by RT-PCR. c. The protein expression levels of GPR17 and Olig1 were measured by Western blotting (**p < 0.01 vs. sham, #p < 0.05 vs. PVL, ##p < 0.01 vs. PVL)

Figure 4. GPR17 suppressed the migration of OPCs by downregulating Olig1. a. Their migration ability was evaluated by a wound healing assay. b. The gene expression levels of GPR17 and Olig1 were determined by RT-PCR. c. The protein expression levels of GPR17 and Olig1 were measured by Western blotting (**p < 0.01 vs. sham, #p < 0.05 vs. PVL, ##p < 0.01 vs. PVL)