Immune Responses Against Glioma Antigens in a Long-Term Survivor
Author Information
Author(s): Ryo Ueda, Keri L. Low, Xinmei Zhu, Mitsugu Fujita, Kotaro Sasaki, Theresa L. Whiteside, Lisa H. Butterfield, Hideho Okada
Primary Institution: University of Pittsburgh
Hypothesis
Can patients with malignant glioma mount spontaneous immune responses against glioma-associated antigens?
Conclusion
The study shows the presence of antigen-experienced, GAA-reactive CD8+ T cells in a long-term survivor of anaplastic astrocytoma.
Supporting Evidence
- The patient's tumor expressed both EphA2 and IL-13Rα2.
- In vitro stimulated PBMC demonstrated superior CTL reactivity compared to other patients.
- Elevated numbers of NK-T cells were found in the patient's PBMC.
Takeaway
One patient with brain cancer has been cancer-free for over 12 years, and researchers found special immune cells in their blood that might help fight the cancer.
Methodology
The study evaluated peripheral blood mononuclear cells and tumor tissues from a long-term survivor of anaplastic astrocytoma for immune responses against glioma-associated antigens.
Potential Biases
Potential bias due to small sample size and lack of diverse patient demographics.
Limitations
The study is based on a single case and comparisons with only two other patients.
Participant Demographics
One 51-year-old Caucasian female long-term survivor of anaplastic astrocytoma.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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