Publikasi Scopus FKUI 2021 per tanggal 31 Oktober 2021 (739 artikel)

Wardhani B.W.K., Louisa M., Watanabe Y., Setiabudy R., Kato M.
57194342020;41461551400;56040433300;6602316235;57222489115;
Tgf-?-induced tmepai promotes epithelial? mesenchymal transition in doxorubicin-treated triple-negative breast cancer cells via smad3 and pi3k/akt pathway alteration
2021
Breast Cancer: Targets and Therapy
13
529
538
Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Department of Pharmacology, Faculty of Military Pharmacy, Indonesia Defense University, West Java, Indonesia; Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Department of Experimental Pathology, Graduate School of Comprehensive Human Sciences, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
Wardhani, B.W.K., Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Department of Pharmacology, Faculty of Military Pharmacy, Indonesia Defense University, West Java, Indonesia; Louisa, M., Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Watanabe, Y., Department of Experimental Pathology, Graduate School of Comprehensive Human Sciences, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan; Setiabudy, R., Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Kato, M., Department of Experimental Pathology, Graduate School of Comprehensive Human Sciences, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
Introduction: Epithelial?mesenchymal transition (EMT) and overexpression of drug efflux transporters have been reported to cause doxorubicin resistance. Our previous study indicated that TMEPAI (transmembrane prostate androgen-induced protein) attenuated doxorubicin sensitivity in triple-negative breast cancer cells. However, how TMEPAI contributes to doxorubicin resistance in TNBC remains unclear. Thus, the present study aimed to elucidate the mechanism of TMEPAI in doxorubicin resistance in triple-negative breast cancer cells. Methods: We used BT549, triple-negative cells wild type (WT), and BT549 TMEPAI knock-out. Both cells were treated with TGF-? 2 ng/mL for 24 hours, followed by TGF-? 2 ng/mL and doxorubicin 12.9 nM for another 24 hours. Afterward, the cells were harvested and counted. Cells were further lysed and used for RT-PCR and Western blot analysis. We determined the expression levels of proliferation, apoptosis, EMT markers, and drug efflux transporters. Additionally, we investigated the expressions of PI3K as well as SMAD3 and AKT phosphorylation. Results: TNBC cells were shown to be less sensitive to doxorubicin in the presence of TMEPAI. TMEPAI was shown to alleviate the mRNA expressions of apoptosis markers: Bax, Bcl2, Caspase-3, and Caspase-9. Our results indicated that the presence of TMEPAI greatly amplifies EMT and increases drug efflux transporter expressions after doxorubicin treatment. Furthermore, our findings demonstrated that TMEPAI reduced the action of doxorubicin in inhibiting SMAD3 phosphorylation. TMEPAI was also shown to modify the effect of doxorubicin by reducing PI3K expressions and Akt phosphorylation in triple-negative breast cancer cells. Conclusion: Our findings indicate that TMEPAI promotes EMT and drug efflux transporters at least in part by shifting doxorubicin action from SMAD3 phosphorylation reduction to PI3K/AKT inhibition in triple-negative breast cancer cells. ? 2021 Wardhani et al.
Drug efflux transporters; E-cadherin; PMEPAI; SMAD3; TGF-?; Vimentin
Dove Medical Press Ltd
11791314
Article
Q2
1190
3344