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Human umbilical cord blood mononuclear cell transplantation for delayed encephalopathy after carbon monoxide intoxication

Authors Gong D, Yu H, Wang W, Yang H, Han F

Received 27 April 2013

Accepted for publication 1 June 2013

Published 20 August 2013 Volume 2013:1 Pages 23—29


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Dianrong Gong,1 Haiyan Yu,1 Weihua Wang,2 Haixin Yang,1 Fabin Han1,2

1Department of Neurology, 2Centre for Stem Cells and Regenerative Medicine, Liaocheng People's Hospital, The Affiliated Liaocheng Hospital, Taishan Medical University, Shandong, People's Republic of China

Abstract: Stem cell transplantation is one of the potential treatments for neurological disorders. Since human umbilical cord stem cells have been shown to provide neuroprotection and promote neural regeneration, we have attempted to transplant the human umbilical cord blood mononuclear cells (hUCB-MNCs) to treat patients with delayed encephalopathy after carbon monoxide intoxication (DEACOI). The hUCB-MNCs were isolated from fresh umbilical cord blood and were given to patients subarachnoidally. Physical examinations, mini-mental state examination scores, and computed tomography scans were used to evaluate the improvement of symptoms, signs, and pathological changes of the patient's brain before and after hUCB-MNC transplantation. A total of 12 patients with DEACOI were treated with hUCB-MNCs in this study. We found that most of the patients have shown significant improvements in movement, behavior, and cognitive function, and improved brain images in 1–4 months from the first transplantation of hUCB-MNCs. None of these patients have been observed to have any severe adverse effects. Our study suggests that the hUCB-MNC transplantation may be a safe and effective treatment for DEACOI. Further studies and clinical trials with more cases, using more systematic scoring methods, are needed to evaluate brain structural and functional improvements in patients with DEACOI after hUCB-MNC therapy.

Keywords: human umbilical cord blood mononuclear cells, transplantation, delayed encephalopathy after carbon monoxide intoxication, MMSE

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