Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/ijms23020944
Keywords
AGR2; etravirine; autophagy; ovarian cancer
Funding
- National Research Foundation of Korea [2021R1I1A3055686, NRF-2020R1A2C2101297, NRF-2015R1A5A2009656]
- Korean Health Technology R&D Project, Ministry of Health and Welfare, Republic of Korea [HI18C2459, HI18C2458]
- National Research Foundation of Korea [2021R1I1A3055686] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The study found that etravirine can induce AGR2 degradation via autophagy, thereby reducing tumor proliferation and metastasis. In vitro experiments and a mouse model showed that the combination of etravirine and paclitaxel can significantly suppress cancer progression and metastasis.
Anterior gradient protein 2 homolog (AGR2), an endoplasmic reticulum protein, is secreted in the tumor microenvironment. AGR2 is a member of the disulfide isomerase family, is highly expressed in multiple cancers, and promotes cancer metastasis. In this study, we found that etravirine, which is a non-nucleoside reverse transcriptase inhibitor, could induce AGR2 degradation via autophagy. Moreover, etravirine diminished proliferation, migration, and invasion in vitro. Moreover, in an orthotopic xenograft mouse model, the combination of etravirine and paclitaxel significantly suppressed cancer progression and metastasis. This drug may be a promising therapeutic agent for the treatment of ovarian cancer.
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