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Lu Y, Wang R, He S, Zhang Q, Wei J, Hu J, Ding Y. Downregulation of BUBR1 regulates the proliferation and cell cycle of breast cancer cells and increases the sensitivity of cells to cisplatin. In Vitro Cell Dev Biol Anim 2023; 59:778-789. [PMID: 38048028 DOI: 10.1007/s11626-023-00823-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 11/01/2023] [Indexed: 12/05/2023]
Abstract
Breast cancer (BC) is a significant tissue for women's health worldwide. The spindle assembly checkpoint protein family includes BUBR1 (Bub1-related kinase or MAD3/Bub1b). High expression of BUBR1 promotes cell cycle disorders, leading to cell carcinogenesis and cancer progression. However, the underlying molecular mechanism and the role of BUBR1 in BC progression are unclear. The published dataset was analyzed to evaluate the clinical relevance of BUBR1. BUBR1 was knocked down in BC cells using shRNA. The CCK-8 assay was used to measure the cell viability, and mRNA and protein expression levels were detected by RT-qPCR and Western blot (WB). Cell apoptosis and cell cycle were detected by flow cytometry. Subcutaneous xenograft model was used to assess in vivo tumor growth. BUBR1 was found to be highly expressed in BC. The high expression of BUBR1 was associated with poor prognosis of BC patients. Upon BUBR1 knockdown using shRNA, the proliferation and metastatic ability of cells were decreased. Moreover, the cells with BUBR1 knockdown underwent cell cycle arrest. And the results showed that BUBR1 loss inhibited the phosphorylation of TAK1/JNK. In vitro and in vivo studies indicated the knockdown of BUBR1 rendered the BC cells more sensitive to cisplatin. In summary, BUBR1 may be a potential therapeutic target for BC and targeting BUBR1 may help overcome cisplatin resistance in BC patients.
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Affiliation(s)
- Yiran Lu
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun City, Jilin, 130062, China
| | - Ruiqing Wang
- The Eye Center in the Second Hospital of Jilin University, Nanguan District, Ziqiang Street 218#, Changchun City, Jilin, 130041, China
| | - Song He
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun City, Jilin, 130062, China
| | - Qing Zhang
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun City, Jilin, 130062, China
| | - Jiahui Wei
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun City, Jilin, 130062, China
| | - Jinping Hu
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun City, Jilin, 130062, China
| | - Yu Ding
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun City, Jilin, 130062, China.
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2
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Liu SQ, Ren C, Yao RQ, Wu Y, Luan YY, Dong N, Yao YM. TNF-α-induced protein 8-like 2 negatively regulates the immune function of dendritic cells by suppressing autophagy via the TAK1/JNK pathway in septic mice. Cell Death Dis 2021; 12:1032. [PMID: 34718337 PMCID: PMC8557212 DOI: 10.1038/s41419-021-04327-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 10/13/2021] [Accepted: 10/18/2021] [Indexed: 12/29/2022]
Abstract
Tumor necrosis factor (TNF)-α-induced protein 8-like 2 (TIPE2) is a newly discovered negative immunoregulatory protein that is involved in various cellular immune responses to infections. However, the underlying mechanism by which TIPE2 affects the immune function of dendritic cells (DCs) is not yet understood. This study aimed to determine the correlations among DCs TIPE2 expression, autophagic activity and immune function in the context of sepsis. In addition, the signaling pathway by which TIPE2 regulates autophagy in DCs was investigated. We reported for the first time that TIPE2 overexpression (knock-in, KI) exerted an inhibitory effect on autophagy in DCs and markedly suppressed the immune function of DCs upon septic challenge both in vitro and in vivo. In addition, TIPE2 knockout (KO) in DCs significantly enhanced autophagy and improved the immune response of DCs in sepsis. Of note, we found that the transforming growth factor-β (TGF-β)-activated kinase-1 (TAK1)/c-Jun N-terminal kinase (JNK) pathway was inhibited by TIPE2 in DCs, resulting in downregulated autophagic activity. Collectively, these results suggest that TIPE2 can suppress the autophagic activity of DCs by inhibiting the TAK1/JNK signaling pathway and further negatively regulate the immune function of DCs in the development of septic complications.
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Affiliation(s)
- Shuang-Qing Liu
- Department of Emergency, the Fourth Medical Center of the Chinese PLA General Hospital, 100048, Beijing, People's Republic of China
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, 100048, Beijing, People's Republic of China
| | - Chao Ren
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, 100048, Beijing, People's Republic of China
| | - Ren-Qi Yao
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, 100048, Beijing, People's Republic of China
- Department of Burn Surgery, the First Affiliated Hospital of Naval Medical University, 200433, Shanghai, People's Republic of China
| | - Yao Wu
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, 100048, Beijing, People's Republic of China
| | - Ying-Yi Luan
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, 100048, Beijing, People's Republic of China
| | - Ning Dong
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, 100048, Beijing, People's Republic of China
| | - Yong-Ming Yao
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, 100048, Beijing, People's Republic of China.
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3
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Griffiths JI, Chen J, Cosgrove PA, O’Dea A, Sharma P, Ma C, Trivedi M, Kalinsky K, Wisinski KB, O’Regan R, Makhoul I, Spring LM, Bardia A, Adler FR, Cohen AL, Chang JT, Khan QJ, Bild AH. Serial single-cell genomics reveals convergent subclonal evolution of resistance as early-stage breast cancer patients progress on endocrine plus CDK4/6 therapy. NATURE CANCER 2021; 2:658-671. [PMID: 34712959 PMCID: PMC8547038 DOI: 10.1038/s43018-021-00215-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Combining cyclin-dependent kinase (CDK) inhibitors with endocrine therapy improves outcomes for metastatic estrogen receptor positive (ER+) breast cancer patients but its value in earlier stage patients is unclear. We examined evolutionary trajectories of early-stage breast cancer tumors, using single cell RNA sequencing (scRNAseq) of serial biopsies from the FELINE clinical trial (#NCT02712723) of endocrine therapy (letrozole) alone or combined with the CDK inhibitor ribociclib. Despite differences in subclonal diversity evolution across patients and treatments, common resistance phenotypes emerged. Resistant tumors treated with combination therapy showed accelerated loss of estrogen signaling with convergent up-regulation of JNK signaling through growth factor receptors. In contrast, cancer cells maintaining estrogen signaling during mono- or combination therapy showed potentiation of CDK4/6 activation and ERK upregulation through ERBB4 signaling. These results indicate that combination therapy in early-stage ER+ breast cancer leads to emergence of resistance through a shift from estrogen to alternative growth signal-mediated proliferation.
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Affiliation(s)
- Jason I. Griffiths
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA, 91010, USA.,Department of Mathematics, University of Utah 155 South 1400 East, Salt Lake City, UT, 84112, USA
| | - Jinfeng Chen
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA, 91010, USA
| | - Patrick A. Cosgrove
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA, 91010, USA
| | - Anne O’Dea
- Division of Medical Oncology, University of Kansas Medical Center, Westwood, KS, 66160, USA
| | - Priyanka Sharma
- Division of Medical Oncology, University of Kansas Medical Center, Westwood, KS, 66160, USA
| | - Cynthia Ma
- Division of Oncology, Washington University School of Medicine, St. Louis, MO, 63130, USA
| | - Meghna Trivedi
- Department of Medicine, Columbia University Irving Medical Center, NY, 10032, USA
| | - Kevin Kalinsky
- Department of Medicine, Columbia University Irving Medical Center, NY, 10032, USA
| | - Kari B. Wisinski
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Carbone Cancer Center, WI, 53726, USA
| | - Ruth O’Regan
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Carbone Cancer Center, WI, 53726, USA
| | - Issam Makhoul
- Division of Internal Medical Oncology, University of Arkansas for Medical Sciences, AR, 72205, USA
| | - Laura M. Spring
- Department of Medicine, Massachusetts General Hospital Cancer Center and Harvard Medical School, MA, 02114, USA
| | - Aditya Bardia
- Department of Medicine, Massachusetts General Hospital Cancer Center and Harvard Medical School, MA, 02114, USA
| | - Frederick R. Adler
- Department of Mathematics, University of Utah 155 South 1400 East, Salt Lake City, UT, 84112, USA.,School of Biological Sciences, University of Utah 257 South 1400 East, Salt Lake City, UT, 84112, USA
| | - Adam L. Cohen
- Department of Internal Medicine, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
| | - Jeffrey T. Chang
- Department of Integrative Biology and Pharmacology, School of Medicine, School of Biomedical Informatics, UT Health Sciences Center at Houston, Houston, TX, 77030, USA
| | - Qamar J. Khan
- Division of Medical Oncology, University of Kansas Medical Center, Westwood, KS, 66160, USA.,To whom correspondence should be addressed: Andrea Bild () and Qamar Khan ()
| | - Andrea H. Bild
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, 1500 East Duarte Road, Duarte, CA, 91010, USA.,To whom correspondence should be addressed: Andrea Bild () and Qamar Khan ()
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4
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Gao Y, Duan FF, Liu L, Peng XG, Meng XG, Ruan HL. Hypothemycin-Type Resorcylic Acid Lactones with Immunosuppressive Activities from a Podospora sp. JOURNAL OF NATURAL PRODUCTS 2021; 84:483-494. [PMID: 33544615 DOI: 10.1021/acs.jnatprod.0c01344] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Twelve new hypothemycin-type resorcylic acid lactones, three 10-membered (1-3) and nine 14-membered (4-12), together with seven known analogues (13-19), were obtained from the solid rice-based culture of Podospora sp. G214. Their structures were elucidated utilizing spectroscopic analysis, and the absolute configurations were determined by modified Mosher's method, Mo2(OAc)4-induced electronic circular dichroism experiments, and single-crystal X-ray diffraction. Compounds 1, 5, 10, and 12-19 exhibited potent immunosuppressive activities against concanavalin A-induced T cell proliferation with IC50 values ranging from 6.0 to 25.1 μM and lipopolysaccharide-induced B cell proliferation with IC50 values ranging from 6.2 to 29.1 μM. Further studies revealed that 1 induced apoptosis in activated T cells through the JNK-mediated mitochondrial pathway.
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Affiliation(s)
- Ying Gao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Fang-Fang Duan
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Lin Liu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Xiao-Gang Peng
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Xiang-Gao Meng
- College of Chemistry, Central China Normal University, Wuhan 430079, People's Republic of China
| | - Han-Li Ruan
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
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5
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Inde Z, Forcina GC, Denton K, Dixon SJ. Kinetic Heterogeneity of Cancer Cell Fractional Killing. Cell Rep 2020; 32:107845. [PMID: 32640215 PMCID: PMC7409774 DOI: 10.1016/j.celrep.2020.107845] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/09/2020] [Accepted: 06/11/2020] [Indexed: 01/18/2023] Open
Abstract
Lethal drugs can induce incomplete cell death in a population of cancer cells, a phenomenon referred to as fractional killing. Here, we show that high-throughput population-level time-lapse imaging can be used to quantify fractional killing in response to hundreds of different drug treatments in parallel. We find that stable intermediate levels of fractional killing are uncommon, with many drug treatments resulting in complete or near-complete eradication of all cells, if given enough time. The kinetics of fractional killing over time vary substantially as a function of drug, drug dose, and genetic background. At the molecular level, the antiapoptotic protein MCL1 is an important determinant of the kinetics of fractional killing in response to MAPK pathway inhibitors but not other lethal stimuli. These studies suggest that fractional killing is governed by diverse lethal stimulus-specific mechanisms.
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Affiliation(s)
- Zintis Inde
- Department of Biology, Stanford University, Stanford, CA 94305, USA
| | | | - Kyle Denton
- Department of Biology, Stanford University, Stanford, CA 94305, USA
| | - Scott J Dixon
- Department of Biology, Stanford University, Stanford, CA 94305, USA.
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6
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Yang C, Lim W, Park J, Park S, You S, Song G. Anti-inflammatory effects of mesenchymal stem cell-derived exosomal microRNA-146a-5p and microRNA-548e-5p on human trophoblast cells. Mol Hum Reprod 2019; 25:755-771. [DOI: 10.1093/molehr/gaz054] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 09/03/2019] [Accepted: 09/09/2019] [Indexed: 12/20/2022] Open
Abstract
Abstract
Human umbilical cord mesenchymal stem cells (MSCs) have been reported to improve the migration and invasion of trophoblast cells; however, little is known about whether MSC-derived exosomes and exosomal miRNAs can regulate trophoblast cell properties. In this study, we investigated whether exosomal miRNAs from amniotic fluid-derived MSC (AF-MSC) could regulate the inflammatory response of the human trophoblast cell line HTR8/SVneo. We verified the anti-inflammatory effects of AF-MSCs on lipopolysaccharide (LPS)-induced inflammatory trophoblast cells and found that miR-146a-5p and miR-548e-5p in the AF-MSC–derived exosomes regulate nuclear factor κB, AKT and mitogen-activated protein kinase protein phosphorylation. Furthermore, we found that the transfection of human trophoblast cells with miR-146a-5p and miR-548e-5p inhibitors reduced trophoblast migration (P < 0.05 vs control) and the expression of proliferating cell nuclear antigen, a protein essential for cell proliferation (P < 0.01 vs control). In particular, the miR-548e-5p inhibitor induced apoptosis, while tumor necrosis factor receptor–associated factor 6, a predicted target of miR-146a-5p and miR-548e-5p, was involved in the regulation of oxidative stress in the human trophoblast cells. In a mouse model of LPS-induced preterm birth (PB), miR-146a-5p expression was found to be relatively low in the group in which the effect of AF-MSCs was insignificant. However, this study is limited in that the changes in the expression of some genes in response to AF-MSCs differ between the cell line and mouse model. Collectively, these data show that exosomal miR-146a-5p and miR-548e-5p from AF-MSCs have anti-inflammatory effects on human trophoblast cells and may be novel targets for treating inflammatory diseases and associated problems that occur during pregnancy, such as PB.
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Affiliation(s)
- Changwon Yang
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Whasun Lim
- Department of Food and Nutrition, Kookmin University, Seoul 02707, Republic of Korea
| | - Junghyun Park
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Sunwoo Park
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Seungkwon You
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
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7
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Su L, Wu A, Zhang W, Kong X. Silencing long non-coding RNA SNHG6 restrains proliferation, migration and invasion of Wilms’ tumour cell lines by regulating miR-15a. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:2670-2677. [PMID: 31257923 DOI: 10.1080/21691401.2019.1633338] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Limin Su
- Department of Pediatric Medicine, Juancheng People’s Hospital, Juancheng, China
| | - Aiying Wu
- Department of Pediatric Surgery, Heze Municipal Hospital, Heze, China
| | - Weitong Zhang
- Department of Pediatric Surgery, Heze Municipal Hospital, Heze, China
| | - Xianchun Kong
- Department of Pediatric Surgery, Heze Municipal Hospital, Heze, China
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8
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Wu Q, Wu W, Fu B, Shi L, Wang X, Kuca K. JNK signaling in cancer cell survival. Med Res Rev 2019; 39:2082-2104. [PMID: 30912203 DOI: 10.1002/med.21574] [Citation(s) in RCA: 172] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 02/01/2019] [Accepted: 03/08/2019] [Indexed: 12/13/2022]
Abstract
c-Jun N-terminal kinase (JNK) is involved in cancer cell apoptosis; however, emerging evidence indicates that this Janus signaling promotes cancer cell survival. JNK acts synergistically with NF-κB, JAK/STAT, and other signaling molecules to exert a survival function. JNK positively regulates autophagy to counteract apoptosis, and its effect on autophagy is related to the development of chemotherapeutic resistance. The prosurvival effect of JNK may involve an immune evasion mechanism mediated by transforming growth factor-β, toll-like receptors, interferon-γ, and autophagy, as well as compensatory JNK-dependent cell proliferation. The present review focuses on recent advances in understanding the prosurvival function of JNK and its role in tumor development and chemoresistance, including a comprehensive analysis of the molecular mechanisms underlying JNK-mediated cancer cell survival. There is a focus on the specific "Yin and Yang" functions of JNK1 and JNK2 in the regulation of cancer cell survival. We highlight recent advances in our knowledge of the roles of JNK in cancer cell survival, which may provide insight into the distinct functions of JNK in cancer and its potential for cancer therapy.
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Affiliation(s)
- Qinghua Wu
- College of Life Science, Yangtze University, Jingzhou, China.,College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Wenda Wu
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Bishi Fu
- Department of Microbiology & Immunobiology, Harvard Medical School, Boston, MA
| | - Lei Shi
- Transcriptional Networks in Lung Cancer Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, United Kingdom
| | - Xu Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic.,Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, Kuala Lumpur, Malaysia
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9
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Liang YY, Deng XB, Zeng LS, Lin XT, Shao XF, Wang B, Mo ZW, Yuan YW. RASSF6-mediated inhibition of Mcl-1 through JNK activation improves the anti-tumor effects of sorafenib in renal cell carcinoma. Cancer Lett 2018; 432:75-83. [PMID: 29864454 DOI: 10.1016/j.canlet.2018.05.048] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 05/30/2018] [Accepted: 05/31/2018] [Indexed: 02/08/2023]
Abstract
Ras association domain family member 6 (RASSF6) has been shown to act as a tumor suppressor and predictor of poor prognosis in renal cell carcinoma (RCC). However, little is known about the effects of RASSF6 on sorafenib resistance or the underlying mechanism. Here, we show that RASSF6 expression positively correlates with sorafenib sensitivity in RCC cells and human samples. Stable ectopic overexpression of RASSF6 in RCC cell lines reduces resistance to sorafenib in vitro and in vivo. At a molecular level, RASSF6 activates the JNK signaling pathway, which further contributes to Mcl-1 inhibition. Suppression of the JNK pathway can partially restore Mcl-1 expression and sorafenib resistance. Together, these findings suggest that RASSF6 inhibits sorafenib resistance by repressing Mcl-1 through the JNK-dependent pathway. RASSF6 may serve as a novel regulator for sorafenib therapy in RCC.
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Affiliation(s)
- Ying-Ying Liang
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Xu-Bin Deng
- Department of Internal Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Li-Si Zeng
- Department of Abdominal Surgery (Section 2), Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Xian-Tao Lin
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Xun-Fan Shao
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Bin Wang
- Department of Urology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Zhi-Wen Mo
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Ya-Wei Yuan
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
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10
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Wang H, Chen Z, Li Y, Ji Q. NG25, an inhibitor of transforming growth factor‑β‑activated kinase 1, ameliorates neuronal apoptosis in neonatal hypoxic‑ischemic rats. Mol Med Rep 2017; 17:1710-1716. [PMID: 29138854 PMCID: PMC5780114 DOI: 10.3892/mmr.2017.8024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 08/29/2017] [Indexed: 01/27/2023] Open
Abstract
Transforming growth factor (TGF)-β-activated kinase 1 (TAK1) was found to be activated by TGF-β and acts as a central regulator of cell death in various types of disease. However, the expression and function of TAK1 in the neonatal brain following hypoxia-ischemia (HI) remains unclear. In the present study, western blotting and immunofluorescence were employed to determine the expression and distribution of TAK1 in the brain cortex of a perinatal HI rat model. In addition, the specific inhibitor of TAK1, NG25 was administered via intracerebroventricular injection, prior to insult of the neonatal rat brains, for neuroprotection. Western blotting and double immunofluorescence indicated that an increased expression level of phosphorylated-TAK1 was observed, and was localized with neurons and astrocytes, compared with the sham group. Further study demonstrated that injection of NG25 prior to insult significantly inhibited TAK1/c-Jun N-terminal kinases activity and dramatically ameliorated acute hypoxic-ischemic cerebral injury by inhibiting cell apoptosis in perinatal rats. Thus, NG25 ameliorates neuronal apoptosis in neonatal HI rats by inhibiting TAK1 expression and cell apoptosis. In addition, NG25 may serve as a promising novel neuroprotective inhibitor for perinatal cerebral injury.
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Affiliation(s)
- Hua Wang
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Zhong Chen
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yu Li
- Department of Ophthalmology, Fourth Affiliated Hospital of Sichuan University, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Qiaoyun Ji
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
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11
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Li P, Zhao QL, Jawaid P, Rehman MU, Ahmed K, Sakurai H, Kondo T. Enhancement of hyperthermia-induced apoptosis by 5Z-7-oxozeaenol, a TAK1 inhibitor, in Molt-4 cells. Int J Hyperthermia 2017; 33:411-418. [PMID: 28111999 DOI: 10.1080/02656736.2017.1278629] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
PURPOSE Transforming growth factor-β-activated kinase1 (TAK1) plays an anti-apoptotic role in response to multiple stresses. TAK1 inhibitor, 5Z-7-oxozeaenol (OZ) has been studied for its apoptotic effects. However, the combined effect of OZ with physical stresses remains to be elusive. Therefore, in this study we focussed to determine the combined effects of OZ with hyperthermia (HT) using Molt-4 cell line. MATERIALS AND METHODS Molt-4 cells were pre-treated with OZ for 1 h followed by heat exposure (44 °C, 10 min) and harvested 24 h after incubation at 37 °C, apoptosis was measured by Annexin V-FITC/PI double staining assay using flow cytometry and cell growth was observed by cell counting assay. Further mechanism involved in the combination was investigated by measuring mitochondrial membrane potential (MMP), intracellular ROS generation, expression of apoptosis related protein, intracellular calcium ion level and Fas activity. RESULTS Combination of OZ with HT significantly enhances MMP loss and superoxide generation. Furthermore, OZ pre-treatment promotes caspase-8 cleavage, Fas externalisation, caspase 3 activity and intracellular calcium ion levels. OZ pre-treatment decreased the expression of HT-induced Bcl-2 and increased the expression of pro-apoptotic Bax, while markedly suppressed the phosphorylation of JNK and p38. In addition, increased expression of CHOP following combined treatment indicates that ER stress may also involve in the enhancement of HT-induced apoptosis. CONCLUSION Our data showed for the first time that OZ sensitizes Molt-4 cells to HT-induced apoptosis via extrinsic and intrinsic apoptotic pathways. Furthermore, ROS and ER stress may also play role in the enhancement of HT-induced apoptosis by OZ.
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Affiliation(s)
- Peng Li
- a Department of Radiological Sciences , Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama , Toyama , Japan
| | - Qing-Li Zhao
- a Department of Radiological Sciences , Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama , Toyama , Japan
| | - Paras Jawaid
- a Department of Radiological Sciences , Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama , Toyama , Japan
| | - Mati Ur Rehman
- a Department of Radiological Sciences , Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama , Toyama , Japan
| | - Kanwal Ahmed
- c Department of Basic Medical Sciences , College of Medicine, King Saud Bin Abdulaziz University of Health Sciences , Jeddah , Kingdom of Saudi Arabia
| | - Hiroaki Sakurai
- b Department of Cancer Cell Biology , Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama , Toyama , Japan
| | - Takashi Kondo
- a Department of Radiological Sciences , Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama , Toyama , Japan
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Cunningham CA, Cardwell LN, Guan Y, Teixeiro E, Daniels MA. POSH Regulates CD4+ T Cell Differentiation and Survival. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2016; 196:4003-13. [PMID: 27084103 PMCID: PMC4868786 DOI: 10.4049/jimmunol.1501728] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 03/14/2016] [Indexed: 12/24/2022]
Abstract
The scaffold molecule POSH is crucial for the regulation of proliferation and effector function in CD8(+) T cells. However, its role in CD4(+) T cells is not known. In this study, we found that disruption of the POSH scaffold complex established a transcriptional profile that strongly skewed differentiation toward Th2, led to decreased survival, and had no effect on cell cycle entry. This is in stark contrast to CD8(+) T cells in which POSH regulates cell cycle and does not affect survival. Disruption of POSH in CD4(+) T cells resulted in the loss of Tak1-dependent activation of JNK1/2 and Tak1-mediated survival. However, in CD8(+) T cells, POSH regulates only JNK1. Remarkably, each type of T cell had a unique composition of the POSH scaffold complex and distinct posttranslational modifications of POSH. These data indicate that the mechanism that regulates POSH function in CD4(+) T cells is different from CD8(+) T cells. All together, these data strongly suggest that POSH is essential for the integration of cell-type-specific signals that regulate the differentiation, survival, and function of T cells.
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Affiliation(s)
- Cody A Cunningham
- Department of Molecular Microbiology and Immunology, School of Medicine, University of Missouri, Columbia, MO 65212
| | - Leah N Cardwell
- Department of Molecular Microbiology and Immunology, School of Medicine, University of Missouri, Columbia, MO 65212
| | - Yue Guan
- Department of Molecular Microbiology and Immunology, School of Medicine, University of Missouri, Columbia, MO 65212
| | - Emma Teixeiro
- Department of Molecular Microbiology and Immunology, School of Medicine, University of Missouri, Columbia, MO 65212
| | - Mark A Daniels
- Department of Molecular Microbiology and Immunology, School of Medicine, University of Missouri, Columbia, MO 65212
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13
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Brown M, Strudwick N, Suwara M, Sutcliffe LK, Mihai AD, Ali AA, Watson JN, Schröder M. An initial phase of JNK activation inhibits cell death early in the endoplasmic reticulum stress response. J Cell Sci 2016; 129:2317-2328. [PMID: 27122189 DOI: 10.1242/jcs.179127] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 04/20/2016] [Indexed: 12/21/2022] Open
Abstract
Accumulation of unfolded proteins in the endoplasmic reticulum (ER) activates the unfolded protein response (UPR). In mammalian cells, UPR signals generated by several ER-membrane-resident proteins, including the bifunctional protein kinase endoribonuclease IRE1α, control cell survival and the decision to execute apoptosis. Processing of XBP1 mRNA by the RNase domain of IRE1α promotes survival of ER stress, whereas activation of the mitogen-activated protein kinase JNK family by IRE1α late in the ER stress response promotes apoptosis. Here, we show that activation of JNK in the ER stress response precedes activation of XBP1. This activation of JNK is dependent on IRE1α and TRAF2 and coincides with JNK-dependent induction of expression of several antiapoptotic genes, including cIap1 (also known as Birc2), cIap2 (also known as Birc3), Xiap and Birc6 ER-stressed Jnk1(-/-) Jnk2(-/-) (Mapk8(-/-) Mapk9(-/-)) mouse embryonic fibroblasts (MEFs) display more pronounced mitochondrial permeability transition and increased caspase 3/7 activity compared to wild-type MEFs. Caspase 3/7 activity is also elevated in ER-stressed cIap1(-/-) cIap2(-/-) and Xiap(-/-) MEFs. These observations suggest that JNK-dependent transcriptional induction of several inhibitors of apoptosis contributes to inhibiting apoptosis early in the ER stress response.
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Affiliation(s)
- Max Brown
- Durham University, School of Biological and Biomedical Sciences, Durham DH1 3LE, United Kingdom.,Biophysical Sciences Institute, Durham University, Durham DH1 3LE, United Kingdom.,North East England Stem Cell Institute (NESCI), Life Bioscience Centre, International Centre for Life, Central Parkway, Newcastle Upon Tyne, NE1 4EP, UK
| | - Natalie Strudwick
- Durham University, School of Biological and Biomedical Sciences, Durham DH1 3LE, United Kingdom.,Biophysical Sciences Institute, Durham University, Durham DH1 3LE, United Kingdom.,North East England Stem Cell Institute (NESCI), Life Bioscience Centre, International Centre for Life, Central Parkway, Newcastle Upon Tyne, NE1 4EP, UK
| | - Monika Suwara
- Durham University, School of Biological and Biomedical Sciences, Durham DH1 3LE, United Kingdom.,Biophysical Sciences Institute, Durham University, Durham DH1 3LE, United Kingdom.,North East England Stem Cell Institute (NESCI), Life Bioscience Centre, International Centre for Life, Central Parkway, Newcastle Upon Tyne, NE1 4EP, UK
| | - Louise K Sutcliffe
- Durham University, School of Biological and Biomedical Sciences, Durham DH1 3LE, United Kingdom.,Biophysical Sciences Institute, Durham University, Durham DH1 3LE, United Kingdom.,North East England Stem Cell Institute (NESCI), Life Bioscience Centre, International Centre for Life, Central Parkway, Newcastle Upon Tyne, NE1 4EP, UK
| | - Adina D Mihai
- Durham University, School of Biological and Biomedical Sciences, Durham DH1 3LE, United Kingdom.,Biophysical Sciences Institute, Durham University, Durham DH1 3LE, United Kingdom.,North East England Stem Cell Institute (NESCI), Life Bioscience Centre, International Centre for Life, Central Parkway, Newcastle Upon Tyne, NE1 4EP, UK
| | - Ahmed A Ali
- Durham University, School of Biological and Biomedical Sciences, Durham DH1 3LE, United Kingdom.,Biophysical Sciences Institute, Durham University, Durham DH1 3LE, United Kingdom.,North East England Stem Cell Institute (NESCI), Life Bioscience Centre, International Centre for Life, Central Parkway, Newcastle Upon Tyne, NE1 4EP, UK.,Molecular Biology Department, National Research Centre, Dokki 12311, Cairo, Egypt
| | - Jamie N Watson
- Durham University, School of Biological and Biomedical Sciences, Durham DH1 3LE, United Kingdom.,Biophysical Sciences Institute, Durham University, Durham DH1 3LE, United Kingdom.,North East England Stem Cell Institute (NESCI), Life Bioscience Centre, International Centre for Life, Central Parkway, Newcastle Upon Tyne, NE1 4EP, UK
| | - Martin Schröder
- Durham University, School of Biological and Biomedical Sciences, Durham DH1 3LE, United Kingdom.,Biophysical Sciences Institute, Durham University, Durham DH1 3LE, United Kingdom.,North East England Stem Cell Institute (NESCI), Life Bioscience Centre, International Centre for Life, Central Parkway, Newcastle Upon Tyne, NE1 4EP, UK
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14
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Chang JH, Hu H, Sun SC. Survival and maintenance of regulatory T cells require the kinase TAK1. Cell Mol Immunol 2015; 12:572-9. [PMID: 25891214 DOI: 10.1038/cmi.2015.27] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 02/28/2015] [Accepted: 02/28/2015] [Indexed: 12/13/2022] Open
Abstract
Regulatory T (Treg) cells play a central role in regulating peripheral immune tolerance and preventing autoimmunity. Despite the extensive studies on the development of Treg cells, the molecular mechanisms that maintain the population of committed Treg cells remain poorly understood. We show here that Treg-conditional ablation of the kinase TAK1 reduced the number of Treg cells in the peripheral lymphoid organs, causing abnormal activation of conventional T cells and autoimmune symptoms. Using an inducible gene knockout approach, we further demonstrate that TAK1 is crucial for the survival of Treg cells. Expression of a constitutively active IκB kinase partially restored the level of Treg cells in the TAK1Treg-KO mice. These results suggest a crucial role for TAK1 for maintaining the survival of committed Treg cells under physiological conditions.
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Affiliation(s)
- Jae-Hoon Chang
- Department of Immunology, The University of Texas MD Anderson Cancer Center, 7455 Fannin Street, Box 902, Houston TX 77030, USA.,College of Pharmacy, Yeungnam University, Gyeongsan 712-749, Republic of Korea
| | - Hongbo Hu
- Department of Immunology, The University of Texas MD Anderson Cancer Center, 7455 Fannin Street, Box 902, Houston TX 77030, USA
| | - Shao-Cong Sun
- Department of Immunology, The University of Texas MD Anderson Cancer Center, 7455 Fannin Street, Box 902, Houston TX 77030, USA.,Center for Inflammation and Cancer, The University of Texas MD Anderson Cancer Center, 7455 Fannin Street, Box 902, Houston TX 77030, USA.,The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX 77030, USA
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15
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The WNT signaling pathway contributes to dectin-1-dependent inhibition of Toll-like receptor-induced inflammatory signature. Mol Cell Biol 2014; 34:4301-14. [PMID: 25246634 DOI: 10.1128/mcb.00641-14] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Macrophages regulate cell fate decisions during microbial challenges by carefully titrating signaling events activated by innate receptors such as dectin-1 or Toll-like receptors (TLRs). Here, we demonstrate that dectin-1 activation robustly dampens TLR-induced proinflammatory signature in macrophages. Dectin-1 induced the stabilization of β-catenin via spleen tyrosine kinase (Syk)-reactive oxygen species (ROS) signals, contributing to the expression of WNT5A. Subsequently, WNT5A-responsive protein inhibitors of activated STAT (PIAS-1) and suppressor of cytokine signaling 1 (SOCS-1) mediate the downregulation of IRAK-1, IRAK-4, and MyD88, resulting in decreased expression of interleukin 12 (IL-12), IL-1β, and tumor necrosis factor alpha (TNF-α). In vivo activation of dectin-1 with pathogenic fungi or ligand resulted in an increased bacterial burden of Mycobacteria, Klebsiella, Staphylococcus, or Escherichia, with a concomitant decrease in TLR-triggered proinflammatory cytokines. All together, our study establishes a new role for dectin-1-responsive inhibitory mechanisms employed by virulent fungi to limit the proinflammatory environment of the host.
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Li P, Furusawa Y, Wei ZL, Sakurai H, Tabuchi Y, Zhao QL, Saiki I, Kondo T. TAK1 promotes cell survival by TNFAIP3 and IL-8 dependent and NF-κB independent pathway in HeLa cells exposed to heat stress. Int J Hyperthermia 2013; 29:688-95. [DOI: 10.3109/02656736.2013.828104] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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