Cord Blood Neural Cells To Combat Severe Brain Damage In Infant

Cord blood neural cells have been found effective against severe brain damage in a 16-month-old infant.

Cord blood neural cells have been found effective against severe brain damage in a 16-month-old infant. In three monthly injections, the primary injected and tagged cells persisted in the brain for more than four months. By six months, the severely impaired child showed some slight improvement over a formerly vegetative state.

“Hypoxic-ischemic encephalopathy remains one of the most devastating conditions in children, resulting in brain atrophy and persistent functional neurological impairment,” said Dr. Krystyna Domanska-Janik of the Mossakowski Medical Research Centre, Poland. He is the corresponding author of the study.

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They transplanted neurally-committed, autologous cord blood derived cells tagged with iron oxide nanoparticles (SPIO) into the lateral cerebral ventricle of the child with severe global hypoxic ischemic brain injury.

Dr. Domanska-Janik said they transplanted cord blood neural cells by repeated injection into lateral cerebral ventricle as the method appeared to be superior to intravascular injections because there would be a more “local modulating outcome.”

“The capacity of cells to home to damaged sites in the central nervous system is crucial,” said Dr. Domanska-Janik. “Our study found that transplantation of patient self-donor (autologous), neurally-committed cord blood cells is feasible, well tolerated, and safe.”

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Once more, the transplanted cells were easily assessed by MRI for four months.

“Despite signs of neurological improvement noticed by the parents and neurologists after cell transplantation, this one case does not allow us to predict the true efficacy of such a treatment and further studies are needed,” she added.

The research team did suggest that six months post-transplantation, the child’s diagnosis of a ‘vegetative state’ was no longer justified as the boy began responding to his mother’s voice by smiling and a 50 percent reduction in his rate of seizures was achieved.

According to Dr. Paul Sanberg, executive director of the Center of Excellence for Aging and Brain Repair at the University of South Florida, and executive editor of Cell Medicine, this case report is potentially important.

“This first step in the use of autologous stem cells as a treatment for neonatal ischemic brain repair in the clinic provides a guardedly optimistic report for future studies,” said Dr. Sanberg. “Of course, further and more comprehensive studies, with a larger patient population, are required to confirm its potential efficacy.”

Source-Medindia