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Changes in cognitive function after neuronal cell transplantation for basal ganglia stroke
C S Stilley1, C M Ryan, D Kondziolka
1Neurotransplantation Research Program and School of Nursing, University of Pittsburgh, PA, USA. css100@pitt.edu
Neurology
|October 13, 2004
Summary
Neuronal cell transplantation improved cognitive function in basal ganglia stroke patients. Specifically, four patients with nondominant hemisphere strokes showed significant gains in visuospatial abilities and nonverbal memory.
Area of Science:
- Neuroscience
- Neurology
- Regenerative Medicine
Background:
- Basal ganglia stroke can lead to persistent cognitive deficits.
- Neuronal cell transplantation is an emerging therapeutic strategy for neurological repair.
Purpose of the Study:
- To evaluate the impact of neuronal cell transplantation on cognitive function in patients with chronic basal ganglia stroke.
- To assess changes in visuospatial/constructional ability and nonverbal memory post-transplantation.
Main Methods:
- Nine subjects (seven transplant, two control) with basal ganglia stroke (over 2 years post-stroke) underwent a comprehensive neuropsychological test battery.
- Cognitive function was assessed at baseline and 6 months after neuronal cell transplantation.
Main Results:
- Four transplanted subjects with nondominant hemisphere strokes demonstrated marked improvement on the Rey Complex Figure test.
- The Rey Complex Figure test assesses visuospatial/constructional ability and nonverbal memory.
Conclusions:
- Neuronal cell transplantation may offer benefits for specific cognitive functions in basal ganglia stroke recovery.
- Further research is warranted to explore the efficacy of cell transplantation for stroke rehabilitation, particularly for nondominant hemisphere injuries.