Anti-CCL2 antibody combined with etoposide prolongs survival in a minimal residual disease mouse model of neuroblastoma.

Autor: Lascano, Danny, Zobel, Michael J., Lee, William G., Chen, Stephanie Y., Zamora, Abigail, Asuelime, Grace E., Choi, So Yung, Chronopoulos, Antonios, Asgharzadeh, Shahab, Marachelian, Araz, Park, Jinseok, Sheard, Michael A., Kim, Eugene S.
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Zdroj: Scientific Reports; 11/14/2023, Vol. 13 Issue 1, p1-16, 16p
Abstrakt: C–C motif chemokine ligand 2 (CCL2) is a monocyte chemoattractant that promotes metastatic disease and portends a poor prognosis in many cancers. To determine the potential of anti-CCL2 inhibition as a therapy for recurrent metastatic disease in neuroblastoma, a mouse model of minimal residual disease was utilized in which residual disease was treated with anti-CCL2 monoclonal antibody with etoposide. The effect of anti-CCL2 antibody on neuroblastoma cells was determined in vitro with cell proliferation, transwell migration, and 2-dimensional chemotaxis migration assays. The in vivo efficacy of anti-CCL2 antibody and etoposide against neuroblastoma was assessed following resection of primary tumors formed by two cell lines or a patient-derived xenograft (PDX) in immunodeficient NOD-scid gamma mice. In vitro, anti-CCL2 antibody did not affect cell proliferation but significantly inhibited neuroblastoma cell and monocyte migration towards an increasing CCL2 concentration gradient. Treatment of mice with anti-CCL2 antibody combined with etoposide significantly increased survival of mice after resection of primary tumors, compared to untreated mice. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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