Ovarian cancer (OC) is the most common cause of cancer deaths among gynecological malignancies. OC ascites contain multicellular spheroid aggregates, which exhibit increased pro-survival signaling, invasive behavior, and chemotherapeutic resistance. OC cells are characterized by an increased expression of the pro-inflammatory and pro-angiogenic chemokine interleukin-8 (IL-8, CXCL8), which increases their survival and migration, thus contributing to OC metastasis and angiogenesis. While previous studies have shown that IL-8 increases proliferation of OC cells grown in monolayer cultures, the effect of IL-8 on proliferation of OC cells grown in 3D spheroids has not been investigated. The spheroid 3D culture assays have been particularly useful in translational research since they allow cell-to-cell interactions that resemble tumor growth in vivo, while allowing easy cell manipulations and visualization. Here, we used the 3D spheroid culture assay to investigate the effect of IL-8 on OC cell proliferation. Using this assay, our results show that IL-8 significantly increases proliferation of OC cells grown in 3D spheroids.
CITATION STYLE
Uddin, M. M., Gaire, B., & Vancurova, I. (2020). Interleukin-8 induces proliferation of ovarian cancer cells in 3D spheroids. In Methods in Molecular Biology (Vol. 2108, pp. 117–124). Humana Press Inc. https://doi.org/10.1007/978-1-0716-0247-8_10
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