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Gómez EM, Casali CI, Del Carmen Fernández M, Verstraeten SV. Tl(I) and Tl(III) induce reticulum stress in MDCK cells. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 101:104192. [PMID: 37348771 DOI: 10.1016/j.etap.2023.104192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 06/05/2023] [Accepted: 06/19/2023] [Indexed: 06/24/2023]
Abstract
The effects of the exposure of proliferating MDCK cells to thallium [Tl(I) or Tl(III)] on cell viability and proliferation were investigated. Although Tl stopped cell proliferation, the viability was >95%. After 3h, two autophagy markers (SQSTM-1 expression and LC3β localization) were altered, and at 48h increased expression of SQSTM-1 (60%) and beclin-1 (50-100%) were found. At 24h, the expression of endoplasmic reticulum (ER) stress markers ATF-6 and IRE-1 were increased in 100% and 150%, respectively, accompanied by XBP-1 splicing and nuclear translocation. At 48h, major ultrastructure abnormalities were found, including ER enlargement and cytoplasmic vacuolation which was not prevented by protein synthesis inhibition. Increased PHB (85% and 40% for Tl(I) and Tl(III), respectively) and decreased β-tubulin (45%) expression were found which may be related to the promotion of paraptosis. In summary, Tl(I) and Tl(III) promoted ER stress and probably paraptosis in MDCK cells, impairing their proliferation.
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Affiliation(s)
- Emanuel Morel Gómez
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Biológicas, Cátedra de Biología Celular y Molecular. Buenos Aires. Argentina
| | - Cecilia I Casali
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Biológicas, Cátedra de Biología Celular y Molecular. Buenos Aires. Argentina; Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química y Fisicoquímica Biológicas Prof. Dr. Alejandro C. Paladini (IQUIFIB)-Facultad de Farmacia y Bioquímica, Buenos Aires. Argentina
| | - María Del Carmen Fernández
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Biológicas, Cátedra de Biología Celular y Molecular. Buenos Aires. Argentina; Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química y Fisicoquímica Biológicas Prof. Dr. Alejandro C. Paladini (IQUIFIB)-Facultad de Farmacia y Bioquímica, Buenos Aires. Argentina
| | - Sandra V Verstraeten
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Química Biológica, Cátedra de Química Biológica Superior. Buenos Aires. Argentina; Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Química y Fisicoquímica Biológicas Prof. Dr. Alejandro C. Paladini (IQUIFIB)-Facultad de Farmacia y Bioquímica, Buenos Aires. Argentina.
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Papale M, Netti GS, Stallone G, Ranieri E. Understanding Mechanisms of RKIP Regulation to Improve the Development of New Diagnostic Tools. Cancers (Basel) 2022; 14:cancers14205070. [PMID: 36291854 PMCID: PMC9600137 DOI: 10.3390/cancers14205070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/07/2022] [Accepted: 10/14/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Raf Kinase Inhibitor protein is a protein that governs multiple intracellular signalling involved primarily in the progression of tumours and the development of metastases. In this review, we discussed the main mechanisms that regulate the expression and activity of RKIP with the aim of identifying the link between the transcriptional, post-transcriptional and post-translational events in different tumour settings. We also tried to analyse the studies that have measured the levels of RKIP in biological fluids in order to highlight the possible advantages and potential of RKIP assessment to obtain an accurate diagnosis and prognosis of various tumours. Abstract One of the most dangerous aspects of cancer cell biology is their ability to grow, spread and form metastases in the main vital organs. The identification of dysregulated markers that drive intracellular signalling involved in the malignant transformation of neoplastic cells and the understanding of the mechanisms that regulate these processes is undoubtedly a key objective for the development of new and more targeted therapies. RAF-kinase inhibitor protein (RKIP) is an endogenous tumour suppressor protein that affects tumour cell survival, proliferation, and metastasis. RKIP might serve as an early tumour biomarker since it exhibits significantly different expression levels in various cancer histologies and it is often lost during metastatic progression. In this review, we discuss the specific impact of transcriptional, post-transcriptional and post-translational regulation of expression and activation/inhibition of RKIP and focus on those tumours for which experimental data on all these factors are available. In this way, we could select how these processes cooperate with RKIP expression in (1) Lung cancer; (2) Colon cancer, (3) Breast cancer; (4) myeloid neoplasm and Multiple Myeloma, (5) Melanoma and (6) clear cell Renal Cell Carcinoma. Furthermore, since RKIP seems to be a key marker of the development of several tumours and it may be assessed easily in various biological fluids, here we discuss the potential role of RKIP dosing in more accessible biological matrices other than tissues. Moreover, this objective may intercept the still unmet need to identify new and more accurate markers for the early diagnosis and prognosis of many tumours.
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Affiliation(s)
- Massimo Papale
- Unit of Clinical Pathology, Department of Laboratory Diagnostics, University Hospital “Policlinico Foggia”, 71122 Foggia, Italy
- Correspondence:
| | - Giuseppe Stefano Netti
- Unit of Clinical Pathology, Center for Molecular Medicine, Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
- Unit of Nephology, Dialysis and Transplantation, Advanced Research Center on Kidney Aging (A.R.K.A.), Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
| | - Giovanni Stallone
- Unit of Nephology, Dialysis and Transplantation, Advanced Research Center on Kidney Aging (A.R.K.A.), Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
| | - Elena Ranieri
- Unit of Clinical Pathology, Center for Molecular Medicine, Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
- Unit of Nephology, Dialysis and Transplantation, Advanced Research Center on Kidney Aging (A.R.K.A.), Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
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3
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Wang S, Ma H, Yan Y, Chen Y, Fu S, Wang J, Wang Y, Chen H, Liu J. cMET promotes metastasis and epithelial-mesenchymal transition in colorectal carcinoma by repressing RKIP. J Cell Physiol 2021; 236:3963-3978. [PMID: 33151569 DOI: 10.1002/jcp.30142] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 10/01/2020] [Accepted: 10/23/2020] [Indexed: 02/05/2023]
Abstract
Increasing evidence indicates that c-mesenchymal-epithelial transition factor (cMET) plays an important role in the malignant progression of colorectal cancer (CRC). However, the underlying mechanism is not fully understood. As a metastasis suppressor, raf kinase inhibitory protein (RKIP) loss has been reported in many cancer types. In this study, the expression levels of cMET and RKIP in CRC tissues and cell lines were determined, and their crosstalk and potential biological effects were explored in vitro and in vivo. Our results showed that cMET was inversely correlated with RKIP. Both cMET upregulation and RKIP downregulation indicated poor clinical outcomes. Moreover, the MAPK/ERK signaling pathway was implicated in the regulation of cMET and RKIP. Overexpression of cMET promoted tumor cell epithelial-mesenchymal transition, invasion, migration, and chemoresistance, whereas the effects could be efficiently inhibited by increased RKIP. Notably, small hairpin RNA-mediated cMET knockdown dramatically suppressed cell proliferation, although no RKIP-induced influence on cell growth was observed in CRC. Altogether, cMET overexpression may contribute to tumor progression by inhibiting the antioncogene RKIP, providing preclinical justification for targeting RKIP to treat cMET-induced metastasis of CRC.
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Affiliation(s)
- Siyun Wang
- Department of PET Center, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
| | - Haiqing Ma
- Department of Oncology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
| | - Yan Yan
- Department of Oncology, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong, China
| | - Yu Chen
- Department of Pathology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
| | - Sirui Fu
- Department of Interventional Therapy, Zhuhai Interventional Medical Center, Zhuhai City People's Hospital/Zhuhai Hospital of Jinan University, Zhuhai, Guangdong, China
| | - Junjiang Wang
- Department of Gastrointestinal Surgery, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
| | - Ying Wang
- Department of Oncology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
| | - Hao Chen
- Department of Gastroenterology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
| | - Jianhua Liu
- Department of Oncology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
- Southern Medical University, Guangzhou, Guangdong, China
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4
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Wang F, Cao M, Fan M, Wu H, Huang W, Zhang Y, Hu Z, Jin X. AMPK‐mTOR‐ULK1 axis activation‐dependent autophagy promotes hydroxycamptothecin‐induced apoptosis in human bladder cancer cells. J Cell Physiol 2019; 235:4302-4315. [PMID: 31621074 DOI: 10.1002/jcp.29307] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 09/30/2019] [Indexed: 12/24/2022]
Affiliation(s)
- Feifan Wang
- Department of Urology, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Min Cao
- Department of Urology, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Mengjing Fan
- Central Lab of Biomedical Research Center, Sir Run Run Shaw Hospital School of Medicine, Zhejiang University Hangzhou Zhejiang China
| | - Hongshen Wu
- Department of Urology, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Wei Huang
- Department of Urology, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Yan Zhang
- Department of Urology, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Zhenghui Hu
- Department of Urology, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Xiaodong Jin
- Department of Urology, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
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6
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RKIP: A Key Regulator in Tumor Metastasis Initiation and Resistance to Apoptosis: Therapeutic Targeting and Impact. Cancers (Basel) 2018; 10:cancers10090287. [PMID: 30149591 PMCID: PMC6162400 DOI: 10.3390/cancers10090287] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 08/12/2018] [Accepted: 08/18/2018] [Indexed: 02/07/2023] Open
Abstract
RAF-kinase inhibitor protein (RKIP) is a well-established tumor suppressor that is frequently downregulated in a plethora of solid and hematological malignancies. RKIP exerts antimetastatic and pro-apoptotic properties in cancer cells, via modulation of signaling pathways and gene products involved in tumor survival and spread. Here we review the contribution of RKIP in the regulation of early metastatic steps such as epithelial–mesenchymal transition (EMT), migration, and invasion, as well as in tumor sensitivity to conventional therapeutics and immuno-mediated cytotoxicity. We further provide updated justification for targeting RKIP as a strategy to overcome tumor chemo/immuno-resistance and suppress metastasis, through the use of agents able to modulate RKIP expression in cancer cells.
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Wei Y, Li C, Zhang Y, He H, Zhang G, Hao X, Liu H, Wang H, Tian W. Hydroxycamptothecin mediates antiproliferative effects through apoptosis and autophagy in A549 cells. Oncol Lett 2018; 15:6322-6328. [PMID: 29616109 PMCID: PMC5876437 DOI: 10.3892/ol.2018.8107] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 11/02/2017] [Indexed: 12/15/2022] Open
Abstract
Hydroxycamptothecin (HCPT) represents a new generation of anticancer drugs, with almost no side effects when used for the treatment of a number of types of cancer. Autophagy is becoming recognized as an important biological mechanism in human cancer, including lung cancer. However, the involvement of autophagy in the antiproliferative effects of HCPT on lung cancer remains unclear. In the present study, A549 cells, an accepted model of non-small cell lung cancer (NSCLC) cells, were employed. It was demonstrated that HCPT was able to suppress proliferation and induce apoptosis and autophagy in A549 cells. The molecular mechanism underlying HCPT-induced cell death was attributed to apoptosis and autophagy. Furthermore, it was demonstrated that an autophagy inhibitor, 3-methyladenine, accelerated HCPT-induced cell death in A549 cells. The results of the present study may lead to a deeper understanding of the molecular mechanism by which HCPT regulates NSCLC A549 cells. These results highlight the potential use of autophagy inhibitors in combination with traditional chemotherapy drugs for the treatment of lung cancer.
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Affiliation(s)
- Yanjie Wei
- Medical Research Center, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Chenhao Li
- Department of Oncology, Cangzhou Central Hospital, Cangzhou, Hebei 061000, P.R. China
| | - Yuan Zhang
- Medical Research Center, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Hailan He
- Medical Research Center, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Guozhi Zhang
- Department of General Surgery, North China University of Science and Technology Affiliated Hospital, Tangshan, Hebei 063000, P.R. China
| | - Xiaohui Hao
- Medical Research Center, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Heliang Liu
- Medical Research Center, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Hongli Wang
- Medical Research Center, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China.,Public Health School, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Wei Tian
- Medical Research Center, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
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Chen Z, Liu Z, Huang W, Li Z, Zou J, Wang J, Lin X, Li B, Chen D, Hu Y, Ji J, Gao J, Shen L. Gimatecan exerts potent antitumor activity against gastric cancer in vitro and in vivo via AKT and MAPK signaling pathways. J Transl Med 2017; 15:253. [PMID: 29237470 PMCID: PMC5729429 DOI: 10.1186/s12967-017-1360-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 12/06/2017] [Indexed: 02/08/2023] Open
Abstract
Background We investigated antitumor activity and underlying mechanisms of DNA topoisomerase I (TopI) inhibitor gimatecan and irinotecan in gastric cancer (GC) in vitro cell lines and in vivo patient-derived xenograft (PDX) models. Methods GC cell lines SNU-1, HGC27, MGC803 and NCI-N87 were used to evaluate cell viability and apoptosis after gimatecan or irinotecan treatment, using a cell proliferation assay and flow cytometry, respectively. DNA TopI expression and critical molecules of PI3K/AKT, MAPK and apoptosis signaling pathways were analyzed with western blot. For in vivo studies, five PDXs models were treated with gimatecan or irinotecan to assess its antitumor activity. Immunohistochemistry staining of Ki-67 was performed after mice were sacrificed. Results Gimatecan inhibited the proliferation of GC cells in vitro in a dose- and time-dependent manner by inducing apoptosis, and gimatecan had greater inhibitory effects than irinotecan. In addition, both gimatecan and irinotecan demonstrated significant tumor growth inhibition in in vivo PDX models. Gimatecan treatment significantly inhibited the expression of DNA TopI, phosphorylated AKT (pAKT), phosphorylated MEK (pMEK) and phosphorylated ERK (pERK). Meanwhile, gimatecan could also activate the JNK2 and p38 MAPK pathway as indicated by upregulation of phosphorylated p38 MAPK (p-p38) and phosphorylated JNK2 (pJNK2). Conclusions For the first time, we have shown that the antitumor activity of gimatecan in GC via suppressing AKT and ERK pathway and activating JNK2 and p38 MAPK pathway, which indicated that gimatecan might be an alternative to irinotecan in the treatment of GC. Electronic supplementary material The online version of this article (10.1186/s12967-017-1360-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Zuhua Chen
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China
| | - Zhentao Liu
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China
| | - Wenwen Huang
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China
| | - Zhongwu Li
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Pathology, Peking University Cancer Hospital & Institute, Beijing, China
| | - Jianling Zou
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China
| | - Jingyuan Wang
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China
| | - Xiaoting Lin
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China
| | - Beifang Li
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China
| | - Dongshao Chen
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China
| | - Yanting Hu
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China
| | - Jiafu Ji
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - Jing Gao
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China.
| | - Lin Shen
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Fu-Cheng Road 52, Hai-Dian District, Beijing, 100142, China.
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9
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Ye C, Shen Z, Wang B, Li Y, Li T, Yang Y, Jiang K, Ye Y, Wang S. A novel long non-coding RNA lnc-GNAT1-1 is low expressed in colorectal cancer and acts as a tumor suppressor through regulating RKIP-NF-κB-Snail circuit. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2016; 35:187. [PMID: 27912775 PMCID: PMC5135755 DOI: 10.1186/s13046-016-0467-z] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 11/24/2016] [Indexed: 01/16/2023]
Abstract
Background The role of long non-coding RNAs (lncRNAs) in colorectal cancer (CRC) progression has not fully been elucidated. This study was designed to report the identification of a novel lncRNA, lnc-GNAT1-1, and its functional role in CRC progression. Methods lncRNA expression profile microarray was performed in three paired primary and liver metastatic tissues of CRC, and a novel lncRNA, lnc-GNAT1-1, was identified to be a potential functional lncRNA. Quantitative real-time PCR was used to detect its expression in CRC tissues, cell lines, and patients’ plasma, cell fractionation was used to evaluate its subcellular location. lnc-GNAT1-1 was knockdown by siRNA or overexpressed by a lentivirus vector, then in vitro an vivo experiments were performed to evaluate its biological role and the underlying mechanisms in CRC. Results Expression of lnc-GNAT1-1 was decreased in liver metastasis than the primary tumor, while the later one is lower than the paired normal mucosa. Decreased lnc-GNAT1-1 expression was associated unfavorable clinicopathological features and a poor prognosis of CRC patients. In multivariate analysis, lnc-GNAT1-1 was proved to be an independent prognostic factor. In plasma, lnc-GNAT1-1 was significant decreased in CRC patients than healthy donors, and with the TNM stages advanced, the plasma lnc-GNAT1-1 level decreased; Receiver operating characteristic curve (ROC curve) showed that plasma lnc-GNAT1-1 had a moderate to well diagnostic efficiency for CRC. In vitro experiments showed that knockdown of lnc-GNAT1-1 could inhibit the aggressive phenotypes of CRC cell lines. In vivo study showed that overexpression of lnc-GNAT1-1 could suppress the liver metastasis of CRC cells. Finally, we explored the underlying mechanism of the role lnc-GNAT1-1 plays in CRC, and found a positive correlation between lnc-GNAT1-1 and Raf kinase inhibitor protein (RKIP) expression both in cells and in patients’ tissues. We further found that lnc-GNAT1-1 could regulate the RKIP-NF-κB-Snail circuit in CRC. Conclusions We have demonstrated in this study that a novel lncRNA, lnc-GNAT1-1, is low expressed in colorectal cancer tissues and plasma, and acts as a tumor suppressor through regulating RKIP-NF-κB-Snail circuit. Electronic supplementary material The online version of this article (doi:10.1186/s13046-016-0467-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chunxiang Ye
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, People's Republic of China.,Laboratory of Surgical Oncology, Peking University People's Hospital, Beijing, 100044, People's Republic of China
| | - Zhanlong Shen
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, People's Republic of China. .,Laboratory of Surgical Oncology, Peking University People's Hospital, Beijing, 100044, People's Republic of China. .,Peking University People's Hospital, No. 11 Xizhimen South Street Xicheng District, Beijing, People's Republic of China.
| | - Bo Wang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, People's Republic of China.,Laboratory of Surgical Oncology, Peking University People's Hospital, Beijing, 100044, People's Republic of China
| | - Yansen Li
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, People's Republic of China.,Laboratory of Surgical Oncology, Peking University People's Hospital, Beijing, 100044, People's Republic of China
| | - Tao Li
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, People's Republic of China.,Laboratory of Surgical Oncology, Peking University People's Hospital, Beijing, 100044, People's Republic of China
| | - Yang Yang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, People's Republic of China.,Laboratory of Surgical Oncology, Peking University People's Hospital, Beijing, 100044, People's Republic of China
| | - Kewei Jiang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, People's Republic of China.,Laboratory of Surgical Oncology, Peking University People's Hospital, Beijing, 100044, People's Republic of China
| | - Yingjiang Ye
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, People's Republic of China. .,Laboratory of Surgical Oncology, Peking University People's Hospital, Beijing, 100044, People's Republic of China. .,Peking University People's Hospital, No. 11 Xizhimen South Street Xicheng District, Beijing, People's Republic of China.
| | - Shan Wang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, People's Republic of China. .,Laboratory of Surgical Oncology, Peking University People's Hospital, Beijing, 100044, People's Republic of China. .,Peking University People's Hospital, No. 11 Xizhimen South Street Xicheng District, Beijing, People's Republic of China.
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Li DZ, Zhang QZ, Wang CY, Zhang YL, Li XY, Huang JT, Liu HY, Fu ZD, Song HX, Lin JP, Ji TF, Pan XD. Synthesis and antitumor activity of novel substituted uracil-1'(N)-acetic acid ester derivatives of 20(S)-camptothecins. Eur J Med Chem 2016; 125:1235-1246. [PMID: 27871039 DOI: 10.1016/j.ejmech.2016.11.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 10/30/2016] [Accepted: 11/06/2016] [Indexed: 12/18/2022]
Abstract
A series of novel substituted uracil-1'(N)-acetic acid esters (6-20) of camptothecins (CPTs) were synthesized by the acylation method. These new compounds were evaluated for in vitro antitumor activity against tumor cell lines, A549, Bel7402, BGC-823, HCT-8 and A2780. In vitro results showed that most of the derivatives exhibited comparable or superior cytotoxicity compare to CPT (1) and topotecan (TPT, 2), with 12 and 13 possessing the best efficacy. Four compounds, 9, 12, 13 and 16, were selected to be evaluated for in vivo antitumor activity against H22, BGC-823 and Bel-7402 in mice. In vivo testing results indicated that 12 and 13 had antitumor activity against mouse liver carcinoma H22 close to Paclitaxel and cyclophosphamide. 12 had similar antitumor activity against human gastric carcinoma BGC-823 in nude mice compared to irinotecan (3) and possessed better antitumor activity against human hepatocarcinoma Bel-7402 in nude mice than 2. It is also discovered that 12 showed a similar mechanism but better inhibitory activity on topoisomerase I (Topo I) compared to 2. These findings indicate that 20(S)-O-fluorouracil-1'(N)-acetic acid ester derivative of CPTs, 12, could be developed as an antitumor drug candidate for clinical trial.
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Affiliation(s)
- Di-Zao Li
- College of Pharmacy and State Key Laboratory of Medicinal Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, PR China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, PR China
| | - Qiang-Zhe Zhang
- College of Pharmacy and State Key Laboratory of Medicinal Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, PR China
| | - Cun-Ying Wang
- Xu Zhou College of Industrial Technology, Xuzhou 221000, PR China
| | - Yan-Ling Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, Inner Mongolia, 010021, PR China
| | - Xing-Yu Li
- College of Pharmacy and State Key Laboratory of Medicinal Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, PR China
| | - Ji-Tao Huang
- College of Pharmacy and State Key Laboratory of Medicinal Chemical Biology, State Key Laboratory of Elemento-Organic Chemistry and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, PR China
| | - Hong-Yan Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, PR China
| | - Zhao-Di Fu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, PR China
| | - Hua-Xian Song
- Beijing Land Medical Technology Co., Ltd, Beijing 101111, PR China
| | - Jin-Ping Lin
- Beijing Land Medical Technology Co., Ltd, Beijing 101111, PR China
| | - Teng-Fei Ji
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, PR China.
| | - Xian-Dao Pan
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, PR China.
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11
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Liu Z, Zheng Q, Chen W, Wu M, Pan G, Yang K, Li X, Man S, Teng Y, Yu P, Gao W. Chemosensitizing effect of Paris Saponin I on Camptothecin and 10-hydroxycamptothecin in lung cancer cells via p38 MAPK, ERK, and Akt signaling pathways. Eur J Med Chem 2016; 125:760-769. [PMID: 27721159 DOI: 10.1016/j.ejmech.2016.09.066] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 09/20/2016] [Accepted: 09/21/2016] [Indexed: 10/21/2022]
Abstract
Paris Saponin I (PSI), a steroidal sponins isolated from plant, has been exhibited antitumor and many other biological activities. In this study, we investigated the role and underlying mechanisms of PSI in the synergistic regulation of antitumor activity of Camptothecin (CPT) and 10-hydroxycamptothecin (HCPT) in four types of lung cancer cells. The inhibitory evaluation showed that PSI could significantly reduce the CPT/HCPT-mediated cell proliferation and enhance the sensitivities of H1299, H460 and H446 lung cancer cells to CPT/HCPT. Mechanism study indicated that PSI improved the CPT/HCPT induced apoptosis in lung cancer cells through mitochondria pathway including cytochrome C release and activation of caspase-9 and -3 cascades. Furthermore, PSI plus CPT/HCPT also increased the up-regulation of Bax and down-regulation of Bcl-2 and Bcl-XL in H460 and H446 cells. Moreover, PSI enhanced CPT/HCPT-mediated inhibition of p38 MAPK and activation of phosphorylation of p38 MAPK in H1299 cells, and suppression of Akt and ERK pathways activation in H460 cells as well as in H446 cells. Collectively, our results demonstrated that PSI functions as a chemosensitizer by enhancing apoptosis through influencing p38 MAPK, ERK, and Akt pathways in lung cancer cells, and the combination with CPT/HCPT might be a promising strategy for the development of new therapeutic agents.
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Affiliation(s)
- Zhen Liu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Qi Zheng
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Wenzhu Chen
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Meng Wu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Guojun Pan
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Ke Yang
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Xuzhe Li
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Shuli Man
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Yuou Teng
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Peng Yu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China.
| | - Wenyuan Gao
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China.
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12
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Cheng Y, Chen G, Hu M, Huang J, Li B, Zhou L, Hong L. Has-miR-30a regulates autophagic activity in cervical cancer upon hydroxycamptothecin exposure. Biomed Pharmacother 2015; 75:67-74. [DOI: 10.1016/j.biopha.2015.08.034] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 08/23/2015] [Indexed: 12/20/2022] Open
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