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[Acupoint injection of BMSCs combined with Chinese herbs for capillary density in ischemic hind limb of diabetes mellitus rats].

Zhongguo Zhen Jiu. 2018 Sep 12;38(9):969-77

Authors: Huang F, Xu C, Li B, Wang S, Du X, Guo X, Rong P

Abstract
OBJECTIVE: To observe the effect of acupoint injection of bone mesenchymal stem cells (BMSCs) combined with Chinese herbs of benefiting qi for activating blood circulation for capillary density and arterioles density in skeletal muscle in ischemic hind limb of diabetes mellitus (DM) rats.
METHODS: A total of 80 rats were randomized into a normal sham operation group (10 rats) and a model group (70 rats). Disposable intraperitoneal injection of streptozotocin (STZ, 50.0 mg/kg) was used to establish DM model, and the rats in the model group were randomized into 7 subgroups, 10 rats in each one. The subgroups were the DM sham operation group, DM ischemic group, Chinese herb group (intragastric herbs of benefiting qi for activating blood circulation), local injection group (BMSCs local injection), local injection + Chinese herb group (BMSCs local injection combined with intragastric herbs of benefiting qi for activating blood circulation), acupoint injection group (BMSCs acupoint injection), acupoint injection + Chinese herb group (BMSCs acupoint injection combined with intragastric herbs of benefiting qi for activating blood circulation). The local injection was phosphate buffer (PBS) injection at the equidistant 5 points along the line between the ischemic tissue and the normal tissue a time. The acupoints were "Sanyinjiao" (SP 6), "Zhaohai" (KI 6), "Huantiao" (GB 30), "Housanli" (ST 36) and "Yanglingquan" (GB 34). 100 μL BMSCs with 1×107/mL was totally injected at the above acupoints for one rat, 20 μL an acupoint. 1.5 kg/L Chinese herbs were applied by intragastric administration, including 120 g Radix Astragali, 120 g Codonopsis, 48 g Radix Glycyrrhiza, 120 g Angelica sinensis, 120 g Blood Rattan, 48 g Achyranthes bidentata. Intragastric distilled water was used in the other non-Chinese herb groups. The expressions of α-smooth muscle actin (α-actin), latelet endothelial cell adhesion molecule (CD31) and von willebrand factor (vWF) in the skeletal muscle were detected with immunohistochemical SP two-step method.
RESULTS: Twenty-one days after intervention, the expressions of α-actin and CD31 on the operation hind limb were higher than those on the healthy hind limb in all the groups, except the Chinese herb group (P<0.05,P<0.01). The vWF expressions on the operation side were lower than those on the healthy side in the Chinese herb group, the local injection group, the local injection + Chinese herb group and the acupoint injection + Chinese herb group (P<0.05, P<0.01). The α-actin expression on the operation side in the acupoint injection + Chinese herb group was higher than those in the normal sham operation group, DM sham operation group, the DM ischemic group and the local injection group (P<0.05, P<0.01). The CD31 expressions in the acupoint injection group, the acupoint injection + Chinese herb group, local injection + Chinese herb group were higher than those in the normal sham operation group, DM sham operation group and DM ischemic group (P<0.05, P<0.01). The CD31 expression in the acupoint injection + Chinese herb group was higher than those in the Chinese herb group and the local injection group (both P<0.05). The vWF expressions in the local injection + Chinese herb group, the acupoint injection group and the acupoint injection + Chinese herb group lower than those in the DM sham operation group and the DM ischemic group (P<0.05, P<0.01).
CONCLUSION: schemia increases the expressions of the vascular density related factors of α-actin and CD31. It is more obvious for the increasing expressions of α-actin and CD31, and decreasing expression of vWF with the interventions of simple BMSCs injection and simple Chinese herbs of benefiting qi for activating blood circulation, especially with the combination of the above tow methods. It is indicated that acupoint injection of BMSCs combined with Chinese herbs of benefiting qi for activating blood circulation can improve the angiogenesis of ischemic tissue.

PMID: 30672183 [PubMed - in process]

[Acupoint injection of BMSCs combined with Chinese herbs for capillary density in ischemic hind limb of diabetes mellitus rats].

  


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