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Combining Bone Marrow Stromal Cells with Green Tea Polyphenols Attenuates the Blood-Spinal Cord Barrier Permeability in Rats with Compression Spinal Cord Injury *

This study was performed to investigate the effect of bone marrow stromal cells (BMSCs) combined with green tea polyphenols (GTPs) on the blood-spinal cord barrier (BSCB) permeability after spinal cord injury (SCI) in the rat model. In the model of SCI rats, we found that the water content and the BSCB permeability were decreased by BMSCs and GTPs treatment, and their combination had a synergistic effect. Further, the motor function of rats was also greatly improved by BMSCs and GTPs administration. After treated by the combination of BMSCs and GTPs, SCI rats showed the up-regulated expression of tight junction (TJ) associated proteins claudin-5, occludin and ZO-1 by Western blot, which was more remarkable than that in the single treatment. The increased expression levels of claudin-5, occludin, and ZO-1 were the most obvious in the spinal cord microvessels using immunohistochemistry assay. This led to the conclusion that the combination of BMSCs and GTPs could decrease the BSCB permeability by up-regulating protein expression levels of claudin-5, occludin, and ZO-1. In addition, after BMSCs and GTPs administration, the results of Western blot and enzyme-linked immunosorbent assay (ELISA) revealed a significant decrease in protein expression level and the activation of nuclear factor-кB (NF-кB) p65. Our results indicated that combination of BMSCs and GTPs could improve motor function after SCI, which might be correlated with improvements in BSCB integrity, and that NF-кB might be involved in the modulating process.

* Legal Disclaimer: Chelation and Hyperbaric Therapy, Stem Cell Therapy, and other treatments and modalities mentioned or referred to in this web site are medical techniques that may or may not be considered “mainstream”. As with any medical treatment, results will vary among individuals, and there is no implication or guarantee that you will heal or achieve the same outcome as patients herein.

As with any procedure, there could be pain or other substantial risks involved. These concerns should be discussed with your health care provider prior to any treatment so that you have proper informed consent and understand that there are no guarantees to healing.

THE INFORMATION IN THIS WEBSITE IS OFFERED FOR GENERAL EDUCATIONAL PURPOSES ONLY AND DOES NOT IMPLY OR GIVE MEDICAL ADVICE. No Doctor/Patient relationship shall be deemed to have arisen simply by reading the information contained on these pages, and you should consult with your personal physician/care giver regarding your medical treatment before undergoing any sort of treatment or therapy.

Published on 04-25-2016
Authors: De-shui Yu, Li-bo Liu, Yang Cao, Yan-song Wang, Yun-long Bi, Zi-jian Wei, Song-ming Tong, Gang Lv, Xi-fan Mei
Source: Journal of Molecular Neuroscience June 2015, Volume 56, Issue 2, pp 388-396