Scientists find the gene that drives T-cell exhaustion, revealing new strategy to improve immune responses
Immunotherapy, which uses a patient's immune system to treat disease, has increased survival for some adults and children with cancer. However, it has had limited success against many pediatric solid tumors, in part because T cells can become functionally impaired or "exhausted." St. Jude Children's Research Hospital scientists published results in Nature showing that the gene ZMYND8 is a major…
Scientists have identified a gene called ZMYND8 that plays a crucial role in T-cell exhaustion, a phenomenon that can hinder the effectiveness of immune responses. T-cell exhaustion occurs when CD8+ T cells, which are responsible for attacking cancerous or virus-infected cells, become overstimulated and lose their ability to function properly.
This can render immunotherapy, which harnesses the power of a patient's immune system to treat diseases like cancer, less successful, particularly in treating pediatric solid tumors. The research, published in Nature, reveals that removing the ZMYND8 gene from CD8+ T cells can improve their function against tumors and chronic infections.
This suggests that targeting ZMYND8 could be a promising strategy to enhance immune responses and overcome T-cell exhaustion, potentially leading to improved outcomes for patients receiving immunotherapy treatments.
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