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Intravenous mesenchymal stem cell administration exhibits therapeutic effects against 6-hydroxydopamine-induced dopaminergic neurodegeneration and glial activation in rats *

To explore a novel therapy against Parkinson’s disease (PD), we evaluated the therapeutic effects of human bone marrow-derived mesenchymal stem cells (hBM-MSCs), pluripotent stromal cells with secretory potential of various neurotrophic and anti-inflammatory factors, in a hemi-parkinsonian rat model. The unilateral intrastriatal 6-hydroxydopamine (6-OHDA)-lesioned rats were injected hBM-MSCs (1.0 × 107 cells) or PBS intravenously 16 days after lesioning. Administration of hBM-MSCs inhibited methamphetamine-stimulated rotational behavior at 7, 14, 21 and 28 days after transplantation. Immunohistochemical analysis also showed that number of TH-positive neurons in the substantia nigra pars compacta was significantly preserved in hBM-MSCs-transplanted rats compared to sham-operated rats, whereas the immunoreactivity of ionized calcium binding adaptor molecule 1 was markedly inhibited. In this study, we demonstrated the therapeutic effects of intravenous hBM-MSCs administration in parkinsonian model rats presenting distinct parkinsonian phenotype at 16 days after 6-OHDA lesioning. The favorable findings raise the possibility that hBM-MSCs could be a novel therapeutic option to promote survival of dopaminergic neurons in PD.

* 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 09-11-2017
Authors: Syuuichirou Suzuki, Jun Kawamata, Naoyuki Iwahara, Akihiro Matsumura, Shin Hisahara, Takashi Matsushita, Masanori Sasaki, Osamu Honmou, Shun Shimohama