Copyright
©The Author(s) 2017.
World J Gastroenterol. Sep 14, 2017; 23(34): 6220-6230
Published online Sep 14, 2017. doi: 10.3748/wjg.v23.i34.6220
Published online Sep 14, 2017. doi: 10.3748/wjg.v23.i34.6220
Figure 1 Herb-partitioned moxibustion treatment.
Figure 2 Comparison of the abdominal withdrawal reflex scores after treatment.
A: AWR scores under 20 mmHg CRD stimulation; B: AWR scores under 40 mmHg CRD stimulation; C: AWR scores under 60 mmHg CRD stimulation; D: AWR scores under 80 mmHg CRD stimulation. bP < 0.01 vs normal group; dP < 0.01 vs model group; fP < 0.01 vs sham-HPM group; hP < 0.01 vs DMSO group. AWR: Abdominal withdrawal reflex; CRD: Colorectal distending; NG: Normal group; MG: Model group; SHPMG: Sham-HPM group; MIG: MEK-inhibitor group; DG: Dimethyl sulfoxide group; HPM: Herb-partitioned moxibustion.
Figure 3 Comparison of the mechanical withdrawal threshold and thermal withdrawal latency scores.
A: MWT test used the Von Frey filament; B: TWL test followed Hargreaves. aP < 0.05 vs normal group; cP < 0.05 vs model group; eP < 0.05 vs sham-HPM group; gP < 0.05 vs DMSO group. MWT: Mechanical withdrawal threshold; TWL: Thermal withdrawal latency; NG: Normal group; MG: Model group; SHPMG: Sham-HPM group; MIG: MEK-inhibitor group; DG: Dimethyl sulfoxide group; HPM: Herb-partitioned moxibustion.
Figure 4 Hematoxylin-eosin staining of colonic mucosa.
A: Normal group; B: Model group; C: HPM group; D: Sham-HPM group; E: MEK-inhibitor group; F: DMSO group (HE staining, × 200 magnification). HE: Hematoxylin-eosin; HPM: Herb-partitioned moxibustion; MEK: Mitogen-activated extracellular signal-regulated kinase; NG: Normal group; MG: Model group; SHPMG: Sham-HPM group; MIG: MEK-inhibitor group; DG: Dimethyl sulfoxide group.
Figure 5 Comparison of expression of phospo-mitogen-activated extracellular signal-regulated kinase 1, phosphor-extracellular signal-regulated kinase 1/2 and cAMP response element binding protein in rat spinal cord.
A: Protein expression of pMEK1; B: Protein expression of pERK1/2; C: Protein expression of pCREB. bP < 0.01 vs normal group; dP < 0.01 vs model group; fP < 0.01 vs sham-HPM group; hP < 0.01 vs DMSO group. pCREB: cAMP response element binding protein; DMSO: Dimethyl sulfoxide; pERK: Phosphor-extracellular signal-regulated kinase; HPM: Herb-partitioned moxibustion; pMEK1: Phospo-mitogen-activated extracellular signal-regulated kinase 1; NG: Normal group; MG: Model group; SHPMG: Sham-HPM group; MIG: MEK-inhibitor group; DG: Dimethyl sulfoxide group.
Figure 6 Comparison of expression of mitogen-activated extracellular signal-regulated kinase, extracellular signal-regulated kinase and cAMP response element binding protein mRNAs in rat spinal cord.
A: mRNA expression of MEK; B: mRNA expression of ERK; C: mRNA expression of CREB. bP < 0.01 vs normal group; dP < 0.01 vs model group; fP < 0.01 vs sham-HPM group; hP < 0.01 vs DMSO group. CREB: cAMP response element binding protein; DMSO: Dimethyl sulfoxide; ERK: Extracellular signal-regulated kinase; HPM: Herb-partitioned moxibustion; MEK: Mitogen-activated extracellular signal-regulated kinase; NG: Normal group; MG: Model group; SHPMG: Sham-HPM group; MIG: MEK-inhibitor group; DG: Dimethyl sulfoxide group.
Figure 7 Flow chart of the study design and treatment.
AWR: Abdominal withdrawal reflex: CREB: cAMP response element binding protein; ERK: Extracellular signal-regulated kinase; DG: DMSO group; HE: Hematoxylin-eosin; HPM: Herb-partitioned moxibustion; MEK: Mitogen-activated extracellular signal-regulated kinase; MIG: MEK-inhibitor group; MG: Model group; MWT: Mechanical withdrawal threshold; NG: Normal group; SD: Sprague-Dawley; SHPMG: Sham-HPM group; TWL: Thermal withdrawal latency.
- Citation: Li ZY, Huang Y, Yang YT, Zhang D, Zhao Y, Hong J, Liu J, Wu LJ, Zhang CH, Wu HG, Zhang J, Ma XP. Moxibustion eases chronic inflammatory visceral pain through regulating MEK, ERK and CREB in rats. World J Gastroenterol 2017; 23(34): 6220-6230
- URL: https://www.wjgnet.com/1007-9327/full/v23/i34/6220.htm
- DOI: https://dx.doi.org/10.3748/wjg.v23.i34.6220