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High Throughput Characterization of Adult Stem Cells Engineered for Delivery of Therapeutic Factors for Neuroprotective Strategies
Published on: January 4, 2015
Stem Cells and Targeted Gene Therapy in Brain and Spinal Cord Tumors
Ahmad Pour-Rashidi1, Esmaeil Mohammadi2, Nima Rezaei3,4
1Department of Neurosurgery, Sina Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran.
Abstract:
The CNS tumors, in particular those with malignant characteristics, are prominent burdens around the world with high mortality and low cure rate. Given that, researchers were curious about novel treatments with promising effectiveness which resulted in shifting the dogmatism era of neurogenesis to the current concept of postnatal neurogenesis. Considering all existing stem cells, various strategies are available for treating CNS cancers, including hematopoietic stem cells transplantation, mesenchymal stem cells transplantation, neural stem cells (NSCs) transplantation, and using stem cells as genetic carriers called "suicide gene therapy". Despite some complications, this ongoing therapeutic method has succeeded in decreasing tumor volume, inhibiting tumor progression, and enhancing patients' survival. These approaches could lead to acceptable results, relatively better safety, and tolerable side effects compared to conventional chemo and radiotherapy. Accordingly, this treatment will be applicable to a wide range of CNS tumors in the near future. Furthermore, tumor genomic analysis and understanding of the underlying molecular mechanisms will help researchers determine patient selection criteria for targeted gene therapy.
Insights
Novel stem cell therapies offer promising treatments for malignant central nervous system (CNS) tumors, showing potential to reduce tumor size and improve patient survival with fewer side effects than traditional methods.
Area of Science:
- Neuro-oncology
- Regenerative Medicine
- Stem Cell Biology
Background:
- Malignant central nervous system (CNS) tumors present a significant global health challenge with high mortality and limited cure rates.
- The understanding of neurogenesis has evolved, paving the way for exploring novel therapeutic avenues.
- Conventional treatments like chemotherapy and radiotherapy for CNS tumors often have severe side effects and limited efficacy.
Purpose of the Study:
- To review and summarize current stem cell-based therapeutic strategies for CNS tumors.
- To evaluate the effectiveness, safety, and future potential of these novel treatments compared to conventional therapies.
- To highlight the role of genomic analysis in advancing targeted gene therapy for CNS cancers.
Main Methods:
- Review of existing literature on stem cell transplantation and suicide gene therapy for CNS cancers.
- Analysis of various stem cell types, including hematopoietic, mesenchymal, and neural stem cells (NSCs).
- Examination of therapeutic outcomes such as tumor volume reduction, progression inhibition, and survival enhancement.
Main Results:
- Stem cell-based approaches, including transplantation and suicide gene therapy, have demonstrated success in decreasing tumor volume and inhibiting progression.
- These novel therapies have shown potential for enhancing patient survival and offer relatively better safety profiles with tolerable side effects compared to conventional treatments.
- Complications associated with stem cell therapies are acknowledged but are being addressed through ongoing research.
Conclusions:
- Stem cell-based therapies represent a promising and evolving treatment modality for a wide range of CNS tumors.
- Further research into tumor genomic analysis and molecular mechanisms will refine patient selection for targeted gene therapy.
- These approaches hold the potential to become a significant part of future CNS cancer treatment strategies.
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