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Updated: May 21, 2026
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Stem Cell Transplantation Strategies for the Restoration of Cognitive Dysfunction Caused by Cranial Radiotherapy
Published on: October 18, 2011
Cognitive changes after stem cell transplantation in a patient with subcortical stroke
Maria L Bringas1, Carlos Suarez, Carlos A Sanchez-Catasus
1Department of Neuropsychology, International Center for Neurological Restoration (CIREN), Havana, Cuba. marial@cneuro.edu.cu
BMJ Case Reports
|June 13, 2012
Summary
Autologous bone marrow stem cell transplantation improved cognitive function in a stroke patient, showing enhanced verbal and executive skills. These gains, linked to increased prefrontal blood flow, were sustained for five years post-transplantation.
Area of Science:
- Neuroscience
- Regenerative Medicine
- Neurology
Background:
- Subcortical stroke can lead to significant cognitive deficits, particularly affecting verbal and executive functions.
- Autologous bone marrow stem cell transplantation is an emerging therapeutic strategy for neurological repair.
Observation:
- A 55-year-old woman with a history of subcortical stroke underwent autologous bone marrow stem cell transplantation.
- Presurgical assessment revealed critical speech reduction and impaired verbal abilities.
- SPECT imaging indicated significant blood flow changes in prefrontal areas post-transplantation.
Findings:
- The patient demonstrated notable cognitive improvements 6 months and 1 year after transplantation, without formal rehabilitation.
- Enhanced performance was observed in mental flexibility, receptive language, phonological fluency, and verbal memory.
- These cognitive enhancements correlated with increased cerebral blood flow in prefrontal regions.
Implications:
- Autologous bone marrow stem cell transplantation may offer a viable therapeutic option for post-stroke cognitive recovery.
- Targeted stem cell therapies could potentially restore neurological function and improve quality of life.
- Sustained cognitive benefits suggest long-term efficacy of this regenerative approach.
