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2010 ; 1
(2
): 71-80
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English Wikipedia
Intracerebroventricular Transplantation of Cord Blood-Derived Neural Progenitors
in a Child With Severe Global Brain Ischemic Injury
#MMPMID26966631
Jozwiak S
; Habich A
; Kotulska K
; Sarnowska A
; Kropiwnicki T
; Janowski M
; Jurkiewicz E
; Lukomska B
; Kmiec T
; Walecki J
; Roszkowski M
; Litwin M
; Oldak T
; Boruczkowski D
; Domanska-Janik K
Cell Med
2010[]; 1
(2
): 71-80
PMID26966631
show ga
Transplantation of neural stem/precursor cells has recently been proposed as a
promising, albeit still controversial, approach to brain repair. Human umbilical
cord blood could be a source of such therapeutic cells, proven beneficial in
several preclinical models of stroke. Intracerebroventricular infusion of
neutrally committed cord blood-derived cells allows their broad distribution in
the CNS, whereas additional labeling with iron oxide nanoparticles (SPIO) enables
to follow the fate of engrafted cells by MRI. A 16-month-old child at 7 months
after the onset of cardiac arrest-induced global hypoxic/ischemic brain injury,
resulting in a permanent vegetative state, was subjected to
intracerebroventricular transplantation of the autologous neutrally committed
cord blood cells. These cells obtained by 10-day culture in vitro in neurogenic
conditions were tagged with SPIO nanoparticles and grafted monthly by three
serial injections (12?×?10(6) cells/0.5 ml) into lateral ventricle of the brain.
Neural conversion of cord blood cells and superparamagnetic labeling efficiency
was confirmed by gene expression, immunocytochemistry, and phantom study. MRI
examination revealed the discrete hypointense areas appearing immediately after
transplantation in the vicinity of lateral ventricles wall with subsequent
lowering of the signal during entire period of observation. The child was
followed up for 6 months after the last transplantation and his neurological
status slightly but significantly improved. No clinically significant adverse
events were noted. This report indicates that intracerebroventricular
transplantation of autologous, neutrally committed cord blood cells is a
feasible, well tolerated, and safe procedure, at least during 6 months of our
observation period. Moreover, a cell-related MRI signal persisted at a wall of
lateral ventricle for more than 4 months and could be monitored in transplanted
brain hemisphere.