Publication: Intracellular IL-33 attenuates extracellular IL-33-induced cholangiocarcinoma cell proliferation and invasion via NF-κB and GSK-3β pathways
Issued Date
2021-10-01
Resource Type
ISSN
17917530
02507005
02507005
Other identifier(s)
2-s2.0-85116498554
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Mahidol University
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SCOPUS
Bibliographic Citation
Anticancer Research. Vol.41, No.10 (2021), 4917-4928
Suggested Citation
Supaporn Yangngam, Suyanee Thongchot, Kulthida Vaeteewoottacharn, Peti Thuwajit, Marcela A. Hermoso, Seiji Okada, Chanitra Thuwajit Intracellular IL-33 attenuates extracellular IL-33-induced cholangiocarcinoma cell proliferation and invasion via NF-κB and GSK-3β pathways. Anticancer Research. Vol.41, No.10 (2021), 4917-4928. doi:10.21873/anticanres.15305 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/76009
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Title
Intracellular IL-33 attenuates extracellular IL-33-induced cholangiocarcinoma cell proliferation and invasion via NF-κB and GSK-3β pathways
Abstract
Background/Aim: The functions of interleukin 33 (IL-33) in cholangiocarcinoma (CCA) are unclear. This study aimed to evaluate the roles of IL-33 in CCA progression. Materials and Methods: The effect of intracellular IL-33 using shIL-33 knocked down KKU-055 (IL-33KD-KKU-055) compared to parental (Pa) KKU-055 and extracellular IL-33 using recombinant human IL-33 (rhIL-33) treatment on the proliferation and invasion of CCA cells grown in 3D cultures was studied. Relevant markers were determined by western blot or ELISA. Results: IL-33KD-KKU-055 cells showed increased proliferation and invasion in 3D cultures compared to Pa-KKU- 055 cells, with NF-κB and IL-6 up-regulation. Treatment with 2 ng/ml rhIL-33 promoted Pa-KKU-055 cell proliferation by inducing NF-κB and IL-6 expressions. Upon GSK-3β inactivation and increased nuclear full-length IL-33 (flIL-33), 20 ng/ml rhIL-33 had no effect on proliferation. Both 2 and 20 ng/ml rhIL-33 induced proliferation and invasion of IL-33- negative KKU-213 cells in 3D cultures, as well as NF-κB and IL-6 up-regulation. Conclusion: Intracellular and extracellular IL-33 have distinct roles in the mechanisms of CCA progression.