4.6 Article

90K predicts the prognosis of glioma patients and enhances tumor lysate-pulsed DC vaccine for immunotherapy of GBM in vitro

Journal

AGING-US
Volume 13, Issue 6, Pages 8355-8368

Publisher

IMPACT JOURNALS LLC

Keywords

90K; LGALS3BP; DC vaccine; immunotherapy; glioma

Funding

  1. Natural Science Foundation of Hunan Province [2018JJ3809, 2018JJ6063, 2019JJ50961]
  2. China Postdoctoral Science Foundation [2018M643006]

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The expression of 90K in glioma is correlated with tumor grade, serving as a useful biomarker for malignancy and patient prognosis. Addition of 90K to DC vaccine enhances the immunotherapy effect on GBM.
Objectives: This study aimed to investigate the relationship between 90K expression with glioma malignancy and prognosis. Additionally, the enhancement effect of 90K in the Dendritic cell (DC) vaccine for Immunotherapy of glioblastoma (GBM) was evaluated in vitro. Methods: The expression of 90K protein in glioma tissues was detected by western blot. The relationship between the 90K expression and the tumor grade as well as the prognosis of patients was further analyzed by mining TCGA and CGGA database. The concentration of IL-12p70 and IL-10 was detected by ELISA. T lymphocyte proliferation and lethal effect of cytotoxic T cell (CTL) were detected by CCK-8. Results: The expression of 90K was significantly higher in glioma than normal tissue and increased with tumor grade (P< 0.05). Higher 90K expression was observed in IDH wildtype glioma than IDH mutant and predicted worse overall survival for glioma patients. The concentration of IL-12p70 and IFN-gamma was the highest in the Apoptosis U251-90K-DC group, in which group the ability to kill U251 cells by CTL was also the strongest. Conclusion: 90K was a useful biomarker for glioma malignancy and patient prognosis. The appearance of 90K enhanced the effect of Apoptosis U251-DC vaccine for immunotherapy of GBM.

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