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Shao R, Liu S, Liu W, Song C, Liu L, Zhu L, Peng F, Lu Y, Tang H. Interleukin-33 increases the sensitivity of multiple myeloma cells to the proteasome inhibitor bortezomib through reactive oxygen species-mediated inhibition of nuclear factor kappa-B signal and stemness properties. MedComm (Beijing) 2024; 5:e562. [PMID: 38737470 PMCID: PMC11082532 DOI: 10.1002/mco2.562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 03/02/2024] [Accepted: 03/26/2024] [Indexed: 05/14/2024] Open
Abstract
The proteasome inhibitor bortezomib (BTZ) is the first-line therapy for multiple myeloma (MM). BTZ resistance largely limits its clinical application in MM. Interleukin-33 (IL-33) exerts antitumor effects through various mechanisms, including enhancing antitumor immunity and promoting the apoptosis of cancer cells. Here, the synergistic anti-MM effect of IL-33 and BTZ was verified, and the underlying mechanisms were elucidated. Bioinformatic analysis indicated that IL-33 expression levels were downregulated in MM, and that BTZ-treated MM patients with high IL-33 levels had better prognosis than those with low IL-33 levels. Moreover, the patients with high IL-33 levels had a better treatment response to BTZ. Further immune analysis suggested that IL-33 can enhance the anti-MM immunity. IL-33 and BTZ synergistically inhibited proliferation and induced apoptosis of MM cells, which was mediated by the excessive accumulation of cellular reactive oxygen species (ROS). Furthermore, increased ROS hindered the nuclear translocation of NF-κB-p65, thereby decreasing the transcription of target stemness-related genes (SOX2, MYC, and OCT3/4). These effects induced by the combination therapy could be reversed by eliminating ROS by N-acetylcysteine. In conclusion, our results indicated that IL-33 enhanced the sensitivity of MM to BTZ through ROS-mediated inhibition of nuclear factor kappa-B (NF-κB) signal and stemness properties.
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Affiliation(s)
- Ruonan Shao
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for CancerSun Yat‐sen University Cancer CenterGuangzhouPR China
| | - Shuang Liu
- Department of Oncologythe Third Affiliated Hospital of Soochow UniversityChangzhouJiangsuPR China
| | - Wenjian Liu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for CancerSun Yat‐sen University Cancer CenterGuangzhouPR China
| | - Cailu Song
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for CancerSun Yat‐sen University Cancer CenterGuangzhouPR China
| | - Lingrui Liu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for CancerSun Yat‐sen University Cancer CenterGuangzhouPR China
| | - Lewei Zhu
- The First People's Hospital of FoshanFoshanPR China
| | - Fu Peng
- West China School of PharmacySichuan UniversityChengduPR China
| | - Yue Lu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for CancerSun Yat‐sen University Cancer CenterGuangzhouPR China
| | - Hailin Tang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for CancerSun Yat‐sen University Cancer CenterGuangzhouPR China
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Thepthanee C, Ei ZZ, Benjakul S, Zou H, Petsri K, Innets B, Chanvorachote P. Shrimp Lipids Inhibit Migration, Epithelial-Mesenchymal Transition, and Cancer Stem Cells via Akt/mTOR/c-Myc Pathway Suppression. Biomedicines 2024; 12:722. [PMID: 38672078 PMCID: PMC11048134 DOI: 10.3390/biomedicines12040722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 03/18/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
Shrimp is a rich source of bioactive molecules that provide health benefits. However, the high cholesterol content in shrimp oil may pose a risk. We utilized the cholesterol elimination method to obtain cholesterol-free shrimp lipids (CLs) and investigated their anticancer potential, focusing on cancer stem cells (CSCs) and epithelial-to-mesenchymal transition (EMT). Our study focused on CSCs and EMT, as these factors are known to contribute to cancer metastasis. The results showed that treatment with CLs at doses ranging from 0 to 500 µg/mL significantly suppressed the cell migration ability of human lung cancer (H460 and H292) cells, indicating its potential to inhibit cancer metastasis. The CLs at such concentrations did not cause cytotoxicity to normal human keratinocytes. Additionally, CL treatment was found to significantly reduce the levels of Snail, Slug, and Vimentin, which are markers of EMT. Furthermore, we investigated the effect of CLs on CSC-like phenotypes and found that CLs could significantly suppress the formation of a three-dimensional (3D) tumor spheroid in lung cancer cells. Furthermore, CLs induced apoptosis in the CSC-rich population and significantly depleted the levels of CSC markers CD133, CD44, and Sox2. A mechanistic investigation demonstrated that exposing lung cancer cells to CLs downregulated the phosphorylation of Akt and mTOR, as well as c-Myc expression. Based on these findings, we believe that CLs may have beneficial effects on health as they potentially suppress EMT and CSCs, as well as the cancer-potentiating pathway of Akt/mTOR/c-Myc.
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Affiliation(s)
- Chorpaka Thepthanee
- Department of Food Science, School of Food Industry, King Mongkut’s Institute of Technology Ladkrabang, Bangkok 10520, Thailand;
| | - Zin Zin Ei
- Center of Excellence in Cancer Cell and Molecular Biology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (Z.Z.E.); (B.I.)
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Soottawat Benjakul
- International Center of Excellence in Seafood Science and Innovation, Faculty of Agro-Industry, Prince of Songkhla University, Songkhla 90110, Thailand;
| | - Hongbin Zou
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China;
| | - Korrakod Petsri
- Department of Pharmacology, Faculty of Medicine, Kasetsart University, Bangkok 10900, Thailand;
| | - Bhurichaya Innets
- Center of Excellence in Cancer Cell and Molecular Biology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (Z.Z.E.); (B.I.)
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Pithi Chanvorachote
- Center of Excellence in Cancer Cell and Molecular Biology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (Z.Z.E.); (B.I.)
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
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Lee SY, Hwang HJ, Song YJ, Lee D, Ku B, Sa JK, Lee DW. 3D cell subculturing pillar dish for pharmacogenetic analysis and high-throughput screening. Mater Today Bio 2023; 23:100793. [PMID: 37766900 PMCID: PMC10520358 DOI: 10.1016/j.mtbio.2023.100793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 08/21/2023] [Accepted: 09/10/2023] [Indexed: 09/29/2023] Open
Abstract
A pillar dishe for subculture of 3D cultured cells on hydrogel spots (Matrigel and alginate) have been developed. Cells cultured in 3D in an extracellular matrix (ECM) can retain their intrinsic properties, but cells cultured in 2D lose their intrinsic properties as the cells stick to the bottom of the well. Previously, cells and ECM spots were dispensed on a conventional culture dish for 3D cultivation. However, as the spot shape and location depended on user handling, pillars were added to the dish to realize uniform spot shape and stable subculture, supporting 3D cell culture-based high-throughput screening (HTS). Matrigel and alginate were used as ECMs during 6-passage subculture. The growth rate of lung cancer cell (A549) was higher on Matrigel than on alginate. Cancer cell was subcultured in three dimensions in the proposed pillar dish and used for drug screening and differential gene expression analysis. Interestingly, stemness markers, which are unique characteristics of lung cancer cells inducing drug resistance, were upregulated in 3D-subcultured cells compared with those in 2D-subcultured cells. Additionally, the PI3K/Akt/mTOR, VEGFR1/2, and Wnt pathways, which are promising therapeutic targets for lung cancer, were activated, showing high drug sensitivity under 3D-HTS using the 3D-subcultured cells.
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Affiliation(s)
- Sang-Yun Lee
- Central R & D Center, Medical & Bio Decision (MBD) Co., Ltd, Suwon, 16229, Republic of Korea
- Department of Biomedical Engineering, Gachon University, Seongnam, 13120, Republic of Korea
| | - Hyun Ju Hwang
- Central R & D Center, Medical & Bio Decision (MBD) Co., Ltd, Suwon, 16229, Republic of Korea
| | - You Jin Song
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, 02841, Republic of Korea
| | - Dayoung Lee
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, 02841, Republic of Korea
| | - Bosung Ku
- Central R & D Center, Medical & Bio Decision (MBD) Co., Ltd, Suwon, 16229, Republic of Korea
| | - Jason K. Sa
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, 02841, Republic of Korea
| | - Dong Woo Lee
- Department of Biomedical Engineering, Gachon University, Seongnam, 13120, Republic of Korea
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Takagi T, Fujiwara-Tani R, Mori S, Kishi S, Nishiguchi Y, Sasaki T, Ogata R, Ikemoto A, Sasaki R, Ohmori H, Luo Y, Bhawal UK, Sho M, Kuniyasu H. Lauric Acid Overcomes Hypoxia-Induced Gemcitabine Chemoresistance in Pancreatic Ductal Adenocarcinoma. Int J Mol Sci 2023; 24:ijms24087506. [PMID: 37108667 PMCID: PMC10139117 DOI: 10.3390/ijms24087506] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/16/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
Although gemcitabine (GEM) is widely used in chemotherapy for pancreatic ductal adenocarcinoma (PDA), drug resistance restricts its clinical effectiveness. To examine the mechanism of GEM resistance, we established two GEM-resistant cell lines from human PDA cells by continuous treatment with GEM and CoCl2-induced chemical hypoxia. One resistant cell line possessed reduced energy production and decreased mitochondrial reactive oxygen species levels, while the other resistant cell line possessed increased stemness. In both cell lines, ethidium bromide-stained mitochondrial DNA levels decreased, suggesting mitochondrial DNA damage. Inhibition of hypoxia-inducible factor-1α in both cell lines did not restore the GEM sensitivity. In contrast, treatment of both cell types with lauric acid (LAA), a medium-chain fatty acid, restored GEM sensitivity. These results suggest that decreased energy production, decreased mitochondrial reactive oxygen species levels, and increased stemness associated with mitochondrial damage caused by GEM lead to GEM resistance, and that hypoxia may promote this process. Furthermore, forced activation of oxidative phosphorylation by LAA could be a tool to overcome GEM resistance. Clinical verification of the effectiveness of LAA in GEM resistance is necessary in the future.
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Grants
- 19K16564 Ministry of Education, Culture, Sports, Science and Technology
- 20K21659 Ministry of Education, Culture, Sports, Science and Technology
- 20K18007 Ministry of Education, Culture, Sports, Science and Technology
- 21K10143 Ministry of Education, Culture, Sports, Science and Technology
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Affiliation(s)
- Tadataka Takagi
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
- Department of Surgery, Nara Medical University, Kashihara 634-8522, Japan
| | - Rina Fujiwara-Tani
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Shiori Mori
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Shingo Kishi
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Yukiko Nishiguchi
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Takamitsu Sasaki
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Ruiko Ogata
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Ayaka Ikemoto
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Rika Sasaki
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Hitoshi Ohmori
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Yi Luo
- Jiangsu Province Key Laboratory of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong 226001, China
| | - Ujjal Kumar Bhawal
- Department of Biochemistry and Molecular Biology, Nihon University School of Dentistry at Matsudo, Matsudo 271-8587, Japan
- Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai 600077, India
| | - Masayuki Sho
- Department of Surgery, Nara Medical University, Kashihara 634-8522, Japan
| | - Hiroki Kuniyasu
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
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Abstract
PURPOSE OF REVIEW The unique properties of cancer stem cells (CSCs) make lung cancer untargetable for quite an extended period. The functional mechanism of this cell type has been illustrated step by step. However, the outcomes of lung cancer patients are still lower than expected clinically. The attempts made by scientists to make challenge history against stemness maintenance of lung cancer cells and their druggable targets are worth elucidating. RECENT FINDINGS Many agents, including the Bispecific T-cell engager (BiTE) and AMG 119 targeting DLL3-positive cells, are a tremendous breakthrough in the preclinical and clinical treatment of SCLC. More studies focus on targeting CSCs to overcome TKI resistance in NSCLC. The combo targeting of CSC and the immune microenvironment can favor the treatment of lung cancer patients. SUMMARY The current review elucidates the characteristics and related regulating pathways of lung CSCs from essential to preclinical research. We retrospectively introduce an update on the clinical development of therapeutics targeting CSC-associated developmental signaling pathways and discuss the opportunities to target CSC-immune interactions in lung cancer.
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Pang H, Wu T, Peng Z, Tan Q, Peng X, Zhan Z, Song L, Wei B. Baicalin induces apoptosis and autophagy in human osteosarcoma cells by increasing ROS to inhibit PI3K/Akt/mTOR, ERK1/2 and β-catenin signaling pathways. J Bone Oncol 2022; 33:100415. [PMID: 35573641 PMCID: PMC9091934 DOI: 10.1016/j.jbo.2022.100415] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/16/2022] [Accepted: 01/28/2022] [Indexed: 12/22/2022] Open
Abstract
Baicalin causes apoptosis and autophagy through accumulating ROS to suppress PI3K/Akt/mTOR, ERK1/2 and β-catenin pathways in OS cells. Baicalin-induced autophagosome further triggers apoptosis. Baicalin-induced ROS and Ca2+ interactions induce apoptosis. Baicalin molecule targets PI3Kγ, inhibiting downstream effectors AKT and mTOR.
Baicalin, a flavonoid derivative, exerts antitumor activity in a variety of neoplasms. However, whether baicalin exerts antitumor effects on osteosarcoma cells remains to be elucidated. In this study, treatment with baicalin reduced the proliferation and invasive potential of osteosarcoma cells and reduced the mitochondrial membrane potential, which eventually caused mitochondrial apoptosis. In addition, baicalin increased intercellular Ca2+ and ROS concentrations. Baicalin-induced apoptosis was confirmed by enhanced Bax, cleaved caspase-3, and cleaved PARP levels and decreased Bcl-2 levels. The increase in LC3-II and p62 suggested that baicalin induced autophagosome formation but ultimately inhibited downstream autophagy. Moreover, apoptosis induced by baicalin was attenuated by the addition of 3-MA. Furthermore, we found that baicalin inhibited the PI3K/Akt/mTOR, ERK1/2 and β-catenin signaling pathways. Chelation of free Ca2+ by BAPTA-AM also inhibited both apoptosis induction and ROS concentration changes. Finally, NAC pretreatment reversed baicalin treatment outcomes, including the increase in Ca2+ concentration, induction of apoptosis and autophagy, and inhibition of the pathways. Molecular docking results indicated that baicalin might interact with the structural domain of PI3Kγ. Thus, baicalin may be considered a potential candidate for osteosarcoma treatment.
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Affiliation(s)
- He Pang
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Tingrui Wu
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Zhonghua Peng
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Qichao Tan
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Xin Peng
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Zeyu Zhan
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Lijun Song
- Reproductive Medicine Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
- Corresponding authors.
| | - Bo Wei
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
- Corresponding authors.
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Shiau JP, Wu CC, Chang SJ, Pan MR, Liu W, Ou-Yang F, Chen FM, Hou MF, Shih SL, Luo CW. FAK Regulates VEGFR2 Expression and Promotes Angiogenesis in Triple-Negative Breast Cancer. Biomedicines 2021; 9:biomedicines9121789. [PMID: 34944605 PMCID: PMC8698860 DOI: 10.3390/biomedicines9121789] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/22/2021] [Accepted: 11/25/2021] [Indexed: 01/08/2023] Open
Abstract
Triple-negative breast cancer (TNBC) remains a significant clinical challenge because of its high vascularity and metastatic and recurrent rates. Tumor angiogenesis is considered an important mediator in the regulation of tumor cell survival and metastasis in TNBC. Angiogenesis is induced by the binding of vascular endothelial growth factor to vascular endothelial growth factor receptor 2 (VEGFR2). Focal adhesion kinase (FAK) plays an important role in regulating various cell functions in normal and cancer cells. Previous studies have focused on investigating the function of endothelial FAK in tumor cell angiogenesis. However, the association between tumor FAK and VEGFR2 in tumor angiogenesis and the possible mechanisms of this remain unclear. In this study, we used a public database and human specimens to examine the association between FAK and VEGFR2. At the same time, we verified the association between FAK and VEGFR2 through several experimental methods, such as quantitative real-time polymerase chain reaction, Western blotting, and next-generation sequencing. In addition, we used the endothelial cell model, zebrafish, and xenograft animal models to investigate the role of FAK in TNBC angiogenesis. We found that FAK and VEGFR2 were positively correlated in patients with TNBC. VEGFR2 and several other angiogenesis-related genes were regulated by FAK. In addition, FAK regulated VEGFR2 and VEGF protein expression in TNBC cells. Functional assays showed that FAK knockdown inhibited endothelial tube formation and zebrafish angiogenesis. An animal model showed that FAK inhibitors could suppress tumor growth and tumor vascular formation. FAK promotes angiogenesis in TNBC cells by regulating VEGFR2 expression. Therefore, targeting FAK could be another antiangiogenic strategy for TNBC treatment.
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Affiliation(s)
- Jun-Ping Shiau
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (J.-P.S.); (C.-C.W.); (F.O.-Y.); (F.-M.C.); (M.-F.H.); (S.-L.S.)
- Department of Surgery, Kaohsiung Municipal Siaogang Hospital, Kaohsiung 812, Taiwan
| | - Cheng-Che Wu
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (J.-P.S.); (C.-C.W.); (F.O.-Y.); (F.-M.C.); (M.-F.H.); (S.-L.S.)
| | - Shu-Jyuan Chang
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan;
- Department of Pathology, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Mei-Ren Pan
- Graduate Institute of Clinical Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Wangta Liu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Fu Ou-Yang
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (J.-P.S.); (C.-C.W.); (F.O.-Y.); (F.-M.C.); (M.-F.H.); (S.-L.S.)
| | - Fang-Ming Chen
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (J.-P.S.); (C.-C.W.); (F.O.-Y.); (F.-M.C.); (M.-F.H.); (S.-L.S.)
| | - Ming-Feng Hou
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (J.-P.S.); (C.-C.W.); (F.O.-Y.); (F.-M.C.); (M.-F.H.); (S.-L.S.)
- Department of Biomedical Science and Environmental Biology, College of Life Science, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Center for Liquid Biopsy and Cohort Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Shen-Liang Shih
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (J.-P.S.); (C.-C.W.); (F.O.-Y.); (F.-M.C.); (M.-F.H.); (S.-L.S.)
| | - Chi-Wen Luo
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (J.-P.S.); (C.-C.W.); (F.O.-Y.); (F.-M.C.); (M.-F.H.); (S.-L.S.)
- Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Center for Liquid Biopsy and Cohort Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Correspondence: ; Tel.: +886-7-3121101 (ext. 2260); Fax: +886-7-3165011
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Xie C, Zhou X, Liang C, Li X, Ge M, Chen Y, Yin J, Zhu J, Zhong C. Apatinib triggers autophagic and apoptotic cell death via VEGFR2/STAT3/PD-L1 and ROS/Nrf2/p62 signaling in lung cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:266. [PMID: 34429133 PMCID: PMC8385858 DOI: 10.1186/s13046-021-02069-4] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 08/10/2021] [Indexed: 11/26/2022]
Abstract
Background Recently, a variety of clinical trials have shown that apatinib, a small-molecule anti-angiogenic drug, exerts promising inhibitory effects on multiple solid tumors, including non-small cell lung cancer (NSCLC). However, the underlying molecular mechanism of apatinib on NSCLC remains unclear. Methods MTT, EdU, AO/EB staining, TUNEL staining, flow cytometry, colony formation assays were performed to investigate the effects of apatinib on cell proliferation, cell cycle distribution, apoptosis and cancer stem like properties. Wound healing and transwell assays were conducted to explore the role of apatinib on migration and invasion. The regulation of apatinib on VEGFR2/STAT3/PD-L1 and ROS/Nrf2/p62 signaling were detected. Furthermore, we collected conditioned medium (CM) from A549 and H1299 cells to stimulate phorbol myristate acetate (PMA)-activated THP-1 cells, and examined the effect of apatinib on PD-L1 expression in macrophages. The Jurkat T cells and NSCLC cells co-culture model was used to assess the effect of apatinib on T cells activation. Subcutaneous tumor formation models were established to evaluate the effects of apatinib in vivo. Histochemical, immunohistochemical staining and ELISA assay were used to examine the levels of signaling molecules in tumors. Results We showed that apatinib inhibited cell proliferation and promoted apoptosis in NSCLC cells in vitro. Apatinib induced cell cycle arrest at G1 phase and suppressed the expression of Cyclin D1 and CDK4. Moreover, apatinib upregulated Cleaved Caspase 3, Cleaved Caspase 9 and Bax, and downregulated Bcl-2 in NSCLC cells. The colony formation ability and the number of CD133 positive cells were significantly decreased by apatinib, suggesting that apatinib inhibited the malignant and stem-like features of NSCLC cells. Mechanistically, apatinib inhibited PD-L1 and c-Myc expression by targeting VEGFR2/STAT3 signaling. Apatinib also inhibited PD-L1 expression in THP-1 derived macrophages stimulated by CM from NSCLC cells. Furthermore, apatinib pretreatment increased CD69 expression and IFN-γ secretion in stimulated Jurkat T cells co-cultured with NSCLC cells. Apatinib also promoted ROS production and inhibited Nrf2 and p62 expression, leading to the autophagic and apoptotic cell death in NSCLC. Moreover, apatinib significantly inhibited tumor growth in vivo. Conclusion Our data indicated that apatinib induced autophagy and apoptosis in NSCLC via regulating VEGFR2/STAT3/PD-L1 and ROS/Nrf2/p62 signaling. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-021-02069-4. Apatinib suppressed proliferation, induced cell cycle arrest and apoptosis, and inhibited malignancy in NSCLC in vitro and in vivo. Apatinib downregulated PD-L1 and c-Myc in NSCLC through VEGFR2/STAT3 pathway. Apatinib inhibited PD-L1 expression in THP-1 derived macrophages stimulated by the conditioned medium from NSCLC cells and partially restored the activation of Jurkat T cells co-cultured with NSCLC cells. Apatinib induced ROS generation and inhibited Nrf2 and p62 expression, leading to the autophagic and apoptotic cell death in NSCLC.
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Affiliation(s)
- Chunfeng Xie
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, 101 Longmian Ave, Jiangning, Nanjing, 211166, China
| | - Xu Zhou
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, 101 Longmian Ave, Jiangning, Nanjing, 211166, China
| | - Chunhua Liang
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, 101 Longmian Ave, Jiangning, Nanjing, 211166, China
| | - Xiaoting Li
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, 101 Longmian Ave, Jiangning, Nanjing, 211166, China
| | - Miaomiao Ge
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, 101 Longmian Ave, Jiangning, Nanjing, 211166, China
| | - Yue Chen
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, 101 Longmian Ave, Jiangning, Nanjing, 211166, China
| | - Juan Yin
- Department of Laboratory, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, 242 Guangji Rd, Suzhou, 215008, China
| | - Jianyun Zhu
- Department of Laboratory, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, 242 Guangji Rd, Suzhou, 215008, China.
| | - Caiyun Zhong
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, 101 Longmian Ave, Jiangning, Nanjing, 211166, China. .,Cancer Research Division, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
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