Page 1 - MSC & Exosomes in autoimmune
P. 1
Journal of Neuroscience Research 87:3554–3567 (2009)
Intraarterially Delivered Human Umbilical
Cord Blood-Derived Mesenchymal Stem
Cells in Canine Cerebral Ischemia
1
2
1
Dai-Jung Chung, Chi-Bong Choi, Sung-Ho Lee, Eun-Hee Kang, 1
3
1
3
Jae-Hoon Lee, Soo-Han Hwang, Hoon Han, Jong-Hwan Lee, 4
6
5
Bo-Young Choe, Soo-Yeol Lee, and Hwi-Yool Kim 1 *
1
Department of Veterinary Surgery, College of Veterinary Medicine, Konkuk University,
Seoul, Republic of Korea
2
Department of Radiology, KyungHee University Medical Center, Seoul, Republic of Korea
3
Seoul Cord Blood Bank, Histostem Co., Seoul, Republic of Korea
4
Department of Veterinary Anatomy, College of Veterinary Medicine, Konkuk University,
Seoul, Republic of Korea
5
Department of Biomedical Engineering, College of Medicine, The Catholic University of Korea,
Seoul, Republic of Korea
6
Department of Biomedical Engineering, College of Electronics and Information,
KyungHee University, Yungin Kyungki, Republic of Korea
The present study examined the effects of human Stroke is characterized as a focal neurological defi-
umbilical cord blood-derived mesenchymal stem cells cit of sudden onset, resulting from a cerebrovascular
(HUCB-derived MSCs) delivered through the basilar ar- accident (Garcia, 1992). Causes of strokes include
tery in a canine thromboembolic brain ischemia model. obstruction of the blood vessels leading to infarction
Cerebral ischemia was induced through occlusion of (ischemic stroke) and rupture of the blood vessel walls
the middle cerebral artery by injecting thrombus emboli leading to hemorrhage (hemorrhagic stroke). In the
into 10 beagles. In the HUCBC group (n 5 5), 1 3 10 6 brain, ischemia progresses to necrosis of neurons and
HUCB-derived MSCs were transplanted through the glial elements, resulting in an area of necrotic tissue
basilar artery 1 day after ischemic induction using an described as an infarct (Platt and Garosi, 2003; Garosi
endovascular interventional approach. In the control et al., 2006).
group (n 5 5), phosphate-buffered saline (PBS) was Current therapies for stroke include thrombolytic
injected in the same manner in as the HUCBC group. therapy, medication, decompressive surgery to reduce
Upon neurobehavioral examination, earlier recovery intracranial pressure, and rehabilitation therapy (Zivin,
was observed in the HUCBC group. The HUCBC group 2000). Despite these therapies, some patients suffer from
showed a decrease in the infarction volume at 1 week permanent neurological deficit from the brain injury. In
after cerebral ischemic induction, whereas the control addition, there are several limitations of the current ther-
group showed an increase in the infarction volume at 1 apeutic approach to cerebral ischemia. Thrombolytic
week, by magnetic resonance image analysis. Trans- therapy has a window of only 3 hr or less and has
planted cells had differentiated into neurons and astro- limited application (Meschia et al., 2002).
cytes and were observed in and around endothelial
cells that were positive for von Willebrand factor (vWF).
HUCB-derived MSCs expressed neuroprotective fac-
tors, such as brain-derived neurotrophic factor (BDNF) Contract grant sponsor: Korea Research Foundation Grant funded by the
and vascular endothelial growth factor (VEGF), at 4 Korean Government (MOEHRD; Basic Research Promotion Fund);
weeks after the transplantation. The transplanted cells Contract grant number: KRF-2008-314-E00625; Contract grant sponsor:
demonstrated their efficacy by reducing the infarction Brain Korea 21 Project; Contract grant sponsor: Purpose Basic Research
lesion volume and through earlier recovery from the Grant of the KOSEF; Contract grant number: R01-2007-000-20782-0.
neurological deficit. These results suggest that intraar- *Correspondence to: Hwi-Yool Kim, Department of Veterinary Surgery,
terial transplantation of HUCB-derived MSCs could be College of Veterinary Medicine, Konkuk University, No. 1 Hwayang-
useful in clinical treatment of cerebral ischemia. V V 2009 Dong, Kwangjin-Gu, Seoul 143-701, Republic of Korea.
C
E-mail: hykim@konkuk.ac.kr
Wiley-Liss, Inc.
Received 1 February 2009; Revised 25 April 2009; Accepted 18 May
Key words: canine; cerebral ischemia; interventional 2009
endovascular approach; middle cerebral artery occlusion; Published online 29 June 2009 in Wiley InterScience (www.
intraarterial transplantation; HUBC-derived MSCs interscience.wiley.com). DOI: 10.1002/jnr.22162
' 2009 Wiley-Liss, Inc.