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Markova L, Maji M, Kostrhunova H, Novohradsky V, Kasparkova J, Gibson D, Brabec V. Multiaction Pt(IV) Prodrugs Releasing Cisplatin and Dasatinib Are Potent Anticancer and Anti-Invasive Agents Displaying Synergism between the Two Drugs. J Med Chem 2024; 67:9745-9758. [PMID: 38819023 DOI: 10.1021/acs.jmedchem.4c00888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024]
Abstract
Herein, we describe the general design, synthesis, characterization, and biological activity of new multitargeting Pt(IV) prodrugs that combine antitumor cisplatin and dasatinib, a potent inhibitor of Src kinase. These prodrugs exhibit impressive antiproliferative and anti-invasive activities in tumor cell lines in both two-dimensional (2D) monolayers of cell cultures and three-dimensional (3D) spheroids. We show that the cisplatin moiety and dasatinib in the investigated Pt(IV) complexes are both involved in the mechanism of action in MCF7 breast cancer cells and act synergistically. Thus, combining dasatinib and cisplatin into one molecule, compared to using individual components in a mix, may bring several advantages, such as significantly higher activity in cancer cell lines and higher selectivity for tumor cells. Most importantly, Pt(IV)-dasatinib complexes hold significant promise for potential anticancer therapies by targeting epithelial-mesenchymal transition, thus preventing the spread and metastasis of tumors, a value unachievable by a simple combination of both individual components.
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Affiliation(s)
- Lenka Markova
- Institute of Biophysics, Czech Academy of Sciences, Kralovopolska 135, CZ-61200 Brno, Czech Republic
| | - Moumita Maji
- Institute for Drug Research, School of Pharmacy, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Hana Kostrhunova
- Institute of Biophysics, Czech Academy of Sciences, Kralovopolska 135, CZ-61200 Brno, Czech Republic
| | - Vojtech Novohradsky
- Institute of Biophysics, Czech Academy of Sciences, Kralovopolska 135, CZ-61200 Brno, Czech Republic
| | - Jana Kasparkova
- Institute of Biophysics, Czech Academy of Sciences, Kralovopolska 135, CZ-61200 Brno, Czech Republic
- Department of Biophysics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic
| | - Dan Gibson
- Institute for Drug Research, School of Pharmacy, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Viktor Brabec
- Institute of Biophysics, Czech Academy of Sciences, Kralovopolska 135, CZ-61200 Brno, Czech Republic
- Department of Biophysics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic
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Zhou L, Li G, Yao J, Wang J, Yao X, Ye Z, Zheng D, Song K, Zhang H, Zhang X, Shuai J, Ye F, Li M, Li Y, Chen G, Cheng Y, Liu H, Shaw P, Liu L. Emulation and evaluation of tumor cell combined chemotherapy in isotropic/anisotropic collagen fiber microenvironments. LAB ON A CHIP 2024; 24:2999-3014. [PMID: 38742451 DOI: 10.1039/d4lc00051j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
The rapid emergence of anisotropic collagen fibers in the tissue microenvironment is a critical transition point in late-stage breast cancer. Specifically, the fiber orientation facilitates the likelihood of high-speed tumor cell invasion and metastasis, which pose lethal threats to patients. Thus, based on this transition point, one key issue is how to determine and evaluate efficient combination chemotherapy treatments in late-stage cancer. In this study, we designed a collagen microarray chip containing 241 high-throughput microchambers with embedded metastatic breast cancer cell MDA-MB-231-RFP. By utilizing collagen's unique structure and hydromechanical properties, the chip constructed three-dimensional isotropic and anisotropic collagen fiber structures to emulate the tumor cell microenvironment at early and late stages. We injected different chemotherapeutic drugs into its four channels and obtained composite biochemical concentration profiles. Our results demonstrate that anisotropic collagen fibers promote cell proliferation and migration more than isotropic collagen fibers, suggesting that the geometric arrangement of fibers plays an important role in regulating cell behavior. Moreover, the presence of anisotropic collagen fibers may be a potential factor leading to the poor efficacy of combined chemotherapy in late-stage breast cancer. We investigated the efficacy of various chemotherapy drugs using cell proliferation inhibitors paclitaxel and gemcitabine and tumor cell migration inhibitors 7rh and PP2. To ensure the validity of our findings, we followed a systematic approach that involved testing the inhibitory effects of these drugs. According to our results, the drug combinations' effectiveness could be ordered as follows: paclitaxel + gemcitabine > gemcitabine + 7rh > PP2 + paclitaxel > 7rh + PP2. This study shows that the biomimetic chip system not only facilitates the creation of a realistic in vitro model for examining the cell migration mechanism in late-stage breast cancer but also has the potential to function as an effective tool for future chemotherapy assessment and personalized medicine.
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Affiliation(s)
- Lianjie Zhou
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China.
| | - Guoqiang Li
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China.
- Chongqing Key Laboratory for Resource Utilization of Heavy Metal Wastewater, Chongqing University of Arts and Sciences, Yongchuan 402160, PR China
| | - Jingru Yao
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China.
| | - Jing Wang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, China
| | - Xiyao Yao
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China.
| | - Zhikai Ye
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, China
| | - Dongtian Zheng
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China.
| | - Kena Song
- College of Medical Technology and Engineering, Henan University of Science and Technology, Henan 471023, China
| | - Hongfei Zhang
- Hygeia International Cancer Hospital, Chongqing 401331, China
| | - Xianquan Zhang
- Hygeia International Cancer Hospital, Chongqing 401331, China
| | - Jianwei Shuai
- Department of Physics, Xiamen University, Xiamen 361005, China
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, China
| | - Fangfu Ye
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, China
| | - Ming Li
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Yufeng Li
- Shaanxi Provincial Key Laboratory of Photonics & Information Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Guo Chen
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China.
| | - Yuyan Cheng
- Chongqing Key Laboratory for Resource Utilization of Heavy Metal Wastewater, Chongqing University of Arts and Sciences, Yongchuan 402160, PR China
| | - He Liu
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision, and Brain Health), Wenzhou, Zhejiang 325000, China.
| | - Peter Shaw
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision, and Brain Health), Wenzhou, Zhejiang 325000, China.
| | - Liyu Liu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China.
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Zhang H, Xu D, Huang H, Jiang H, Hu L, Liu L, Sun G, Gao J, Li Y, Xia C, Chen S, Zhou H, Kong X, Wang M, Luo C. Discovery of a Covalent Inhibitor Selectively Targeting the Autophosphorylation Site of c-Src Kinase. ACS Chem Biol 2024; 19:999-1010. [PMID: 38513196 DOI: 10.1021/acschembio.4c00048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
Nonreceptor tyrosine kinase c-Src plays a crucial role in cell signaling and contributes to tumor progression. However, the development of selective c-Src inhibitors turns out to be challenging. In our previous study, we performed posttranslational modification-inspired drug design (PTMI-DD) to provide a plausible way for designing selective kinase inhibitors. In this study, after identifying a unique pocket comprising a less conserved cysteine and an autophosphorylation site in c-Src as well as a promiscuous covalent inhibitor, chemical optimization was performed to obtain (R)-LW-Srci-8 with nearly 75-fold improved potency (IC50 = 35.83 ± 7.21 nM). Crystallographic studies revealed the critical C-F···C═O interactions that may contribute to tight binding. The kinact and Ki values validated the improved binding affinity and decreased warhead reactivity of (R)-LW-Srci-8 for c-Src. Notably, in vitro tyrosine kinase profiling and cellular activity-based protein profiling (ABPP) cooperatively indicated a specific inhibition of c-Src by (R)-LW-Srci-8. Intriguingly, (R)-LW-Srci-8 preferentially binds to inactive c-Src with unphosphorylated Y419 both in vitro and in cells, subsequently disrupting the autophosphorylation. Collectively, our study demonstrated the feasibility of developing selective kinase inhibitors by cotargeting a nucleophilic residue and a posttranslational modification site and providing a chemical probe for c-Src functional studies.
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Affiliation(s)
- Huimin Zhang
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528437, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Dounan Xu
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528437, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Hongchan Huang
- Center for Chemical Biology and Drug Discovery, State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
- University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Beijing 100049, China
| | - Hao Jiang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Linghao Hu
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528437, China
| | - Liping Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Beijing 100049, China
| | - Ge Sun
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Beijing 100049, China
| | - Jing Gao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Beijing 100049, China
| | - Yuanqing Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Beijing 100049, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Cuicui Xia
- Division of Life Science and Medicine, University of Science and Technology of China, Hefei 230026, China
| | - Shijie Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Beijing 100049, China
| | - Hu Zhou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Beijing 100049, China
| | - Xiangqian Kong
- Center for Chemical Biology and Drug Discovery, State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
- University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Beijing 100049, China
| | - Mingliang Wang
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528437, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Cheng Luo
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528437, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Beijing 100049, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
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4
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Deng Y, Hou Z, Li Y, Yi M, Wu Y, Zheng Y, Yang F, Zhong G, Hao Q, Zhai Z, Wang M, Ma X, Kang H, Ji F, Dong C, Liu H, Dai Z. Superbinder based phosphoproteomic landscape revealed PRKCD_pY313 mediates the activation of Src and p38 MAPK to promote TNBC progression. Cell Commun Signal 2024; 22:115. [PMID: 38347536 PMCID: PMC10860301 DOI: 10.1186/s12964-024-01487-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 01/11/2024] [Indexed: 02/15/2024] Open
Abstract
Phosphorylation proteomics is the basis for the study of abnormally activated kinase signaling pathways in breast cancer, which facilitates the discovery of new oncogenic agents and drives the discovery of potential targets for early diagnosis and therapy of breast cancer. In this study, we have explored the aberrantly active kinases in breast cancer development and to elucidate the role of PRKCD_pY313 in triple negative breast cancer (TNBC) progression. We collected 47 pairs of breast cancer and paired far-cancer normal tissues and analyzed phosphorylated tyrosine (pY) peptides by Superbinder resin and further enriched the phosphorylated serine/threonine (pS/pT) peptides using TiO2 columns. We mapped the kinases activity of different subtypes of breast cancer and identified PRKCD_pY313 was upregulated in TNBC cell lines. Gain-of-function assay revealed that PRKCD_pY313 facilitated the proliferation, enhanced invasion, accelerated metastasis, increased the mitochondrial membrane potential and reduced ROS level of TNBC cell lines, while Y313F mutation and low PRKCD_pY313 reversed these effects. Furthermore, PRKCD_pY313 significantly upregulated Src_pY419 and p38_pT180/pY182, while low PRKCD_pY313 and PRKCD_Y313F had opposite effects. Dasatinib significantly inhibited the growth of PRKCD_pY313 overexpression cells, and this effect could be enhanced by Adezmapimod. In nude mice xenograft model, PRKCD_pY313 significantly promoted tumor progression, accompanied by increased levels of Ki-67, Bcl-xl and Vimentin, and decreased levels of Bad, cleaved caspase 3 and ZO1, which was opposite to the trend of Y313F group. Collectively, the heterogeneity of phosphorylation exists in different molecular subtypes of breast cancer. PRKCD_pY313 activates Src and accelerates TNBC progression, which could be inhibited by Dasatinib.
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Affiliation(s)
- Yujiao Deng
- Department of Gastroenterology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Zhanwu Hou
- Center for Mitochondrial Biology and Medicine & Douglas C. Wallace Institute for Mitochondrial and Epigenetic Information Sciences, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yizhen Li
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ming Yi
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Ying Wu
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yi Zheng
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Fei Yang
- Center for Mitochondrial Biology and Medicine & Douglas C. Wallace Institute for Mitochondrial and Epigenetic Information Sciences, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Guansheng Zhong
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Qian Hao
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Zhen Zhai
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Meng Wang
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiaobin Ma
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Huafeng Kang
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Fanpu Ji
- Department of Infectious Diseases, The Second Affiliated Hospital of Xian Jiaotong University, Xi'an, China
| | - Chenfang Dong
- Department of Pathology and Pathophysiology, Department of Colorectal Surgery and Oncology, Key Laboratory of Cancer Prevention and Intervention, The Second Affiliated Hospital, Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China.
- Zhejiang Key Laboratory for Disease Proteomics, Zhejiang University School of Medicine, Hangzhou, 310058, China.
| | - Huadong Liu
- Center for Mitochondrial Biology and Medicine & Douglas C. Wallace Institute for Mitochondrial and Epigenetic Information Sciences, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
| | - Zhijun Dai
- Department of Oncology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
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5
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Nazemi M, Yanes B, Martinez ML, Walker HJ, Pham K, Collins MO, Bard F, Rainero E. The extracellular matrix supports breast cancer cell growth under amino acid starvation by promoting tyrosine catabolism. PLoS Biol 2024; 22:e3002406. [PMID: 38227562 PMCID: PMC10791009 DOI: 10.1371/journal.pbio.3002406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 10/26/2023] [Indexed: 01/18/2024] Open
Abstract
Breast tumours are embedded in a collagen I-rich extracellular matrix (ECM) network, where nutrients are scarce due to limited blood flow and elevated tumour growth. Metabolic adaptation is required for cancer cells to endure these conditions. Here, we demonstrated that the presence of ECM supported the growth of invasive breast cancer cells, but not non-transformed mammary epithelial cells, under amino acid starvation, through a mechanism that required macropinocytosis-dependent ECM uptake. Importantly, we showed that this behaviour was acquired during carcinoma progression. ECM internalisation, followed by lysosomal degradation, contributed to the up-regulation of the intracellular levels of several amino acids, most notably tyrosine and phenylalanine. This resulted in elevated tyrosine catabolism on ECM under starvation, leading to increased fumarate levels, potentially feeding into the tricarboxylic acid (TCA) cycle. Interestingly, this pathway was required for ECM-dependent cell growth and invasive cell migration under amino acid starvation, as the knockdown of p-hydroxyphenylpyruvate hydroxylase-like protein (HPDL), the third enzyme of the pathway, opposed cell growth and motility on ECM in both 2D and 3D systems, without affecting cell proliferation on plastic. Finally, high HPDL expression correlated with poor prognosis in breast cancer patients. Collectively, our results highlight that the ECM in the tumour microenvironment (TME) represents an alternative source of nutrients to support cancer cell growth by regulating phenylalanine and tyrosine metabolism.
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Affiliation(s)
- Mona Nazemi
- School of Biosciences, The University of Sheffield, Sheffield, United Kingdom
| | - Bian Yanes
- School of Biosciences, The University of Sheffield, Sheffield, United Kingdom
| | - Montserrat Llanses Martinez
- School of Biosciences, The University of Sheffield, Sheffield, United Kingdom
- Institute of Molecular and Cell Biology, Singapore
| | - Heather J. Walker
- biOMICS Facility, School of Biosciences, The University of Sheffield, Sheffield, United Kingdom
| | - Khoa Pham
- biOMICS Facility, School of Biosciences, The University of Sheffield, Sheffield, United Kingdom
| | - Mark O. Collins
- School of Biosciences, The University of Sheffield, Sheffield, United Kingdom
- biOMICS Facility, School of Biosciences, The University of Sheffield, Sheffield, United Kingdom
| | - Frederic Bard
- Institute of Molecular and Cell Biology, Singapore
- Centre de Recherche en Cancerologie de Marseille, CRCM, Marseille, France
| | - Elena Rainero
- School of Biosciences, The University of Sheffield, Sheffield, United Kingdom
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Chapdelaine AG, Sun G. Challenges and Opportunities in Developing Targeted Therapies for Triple Negative Breast Cancer. Biomolecules 2023; 13:1207. [PMID: 37627272 PMCID: PMC10452226 DOI: 10.3390/biom13081207] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/26/2023] [Accepted: 07/29/2023] [Indexed: 08/27/2023] Open
Abstract
Triple negative breast cancer (TNBC) is a heterogeneous group of breast cancers characterized by their lack of estrogen receptors, progesterone receptors, and the HER2 receptor. They are more aggressive than other breast cancer subtypes, with a higher mean tumor size, higher tumor grade, the worst five-year overall survival, and the highest rates of recurrence and metastasis. Developing targeted therapies for TNBC has been a major challenge due to its heterogeneity, and its treatment still largely relies on surgery, radiation therapy, and chemotherapy. In this review article, we review the efforts in developing targeted therapies for TNBC, discuss insights gained from these efforts, and highlight potential opportunities going forward. Accumulating evidence supports TNBCs as multi-driver cancers, in which multiple oncogenic drivers promote cell proliferation and survival. In such multi-driver cancers, targeted therapies would require drug combinations that simultaneously block multiple oncogenic drivers. A strategy designed to generate mechanism-based combination targeted therapies for TNBC is discussed.
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Affiliation(s)
| | - Gongqin Sun
- Department of Cell and Molecular Biology, University of Rhode Island, Kingston, RI 02881, USA;
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Yao J, Li G, Zhou L, Xu S, Song K, Zhang H, Zhang X, Shuai J, Ye F, Li M, Chen G, Liu H, Shaw P, Liu L. 3D collagen microchamber arrays for combined chemotherapy effect evaluation on cancer cell numbers and migration. BIOMICROFLUIDICS 2023; 17:014101. [PMID: 36619874 PMCID: PMC9812516 DOI: 10.1063/5.0121952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Breast cancer metastasis involves complex mechanisms, particularly when patients are undergoing chemotherapy. In tissues, tumor cells encounter cell-cell interactions, cell-microenvironment interactions, complex nutrient, and drug gradients. Currently, two-dimensional cell culture systems and animal models are challenging to observe and analyze cell responses to microenvironments with various physical and bio-chemical conditions, and microfluidic technology has been systematically developed to address this dilemma. In this study, we have constructed a combined chemotherapy evaluation chip (CCEC) based on microfluidic technology. The chip possesses 192 diamond-shaped microchambers containing MDA-MB-231-RFP cells, and each microchamber is composed of collagen to mimic breast cancer and its surrounding microenvironment. In addition, by adding medium containing different drugs to the medium channels of CCEC, composite drug (paclitaxel+gemcitabine+7rh and paclitaxel+fluorouracil+PP2) concentration gradients, and single drug (paclitaxel, gemcitabine, 7rh, fluorouracil, PP2) concentration gradients have been established in the five collagen regions, respectively, so that each localized microchamber in the regions has a unique drug microenvironment. In this way, we evaluated the composite and single chemotherapy efficacy on the same chip by statistically analyzing their effects on the numbers and migration of the cell. The quantitative results in CCECs reveal that the inhibition effects on the numbers and migration of MDA-MB-231-RFP cell under the composite drug gradients are more optimal than those of the single drugs. Besides, the cancer cell inhibition effect between the groups composed of two drugs has also been compared, that is the paclitaxel+gemcitabine, paclitaxel+fluorouracil, and paclitaxel+PP2 have better cell numbers and migration inhibition effects than paclitaxel+7rh. The results indicate that the bio-mimetic and high-throughput combined chemotherapy evaluation platform can serve as a more efficient and accurate tool for preclinical drug development and screening.
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Affiliation(s)
- Jingru Yao
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China
| | - Guoqiang Li
- Chongqing Key Laboratory of Environmental Materials and Remediation Technologies, College of Chemistry and Environmental Engineering (Chongqing University of Arts and Sciences), Chongqing 402160, People’s Republic of China
| | - Lianjie Zhou
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China
| | - Shuyan Xu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China
| | - Kena Song
- College of Medical Technology and Engineering, Henan University of Science and Technology, Henan 471023, China
| | - Hongfei Zhang
- Hygeia International Cancer Hospital, Chongqing 401331, China
| | - Xianquan Zhang
- Hygeia International Cancer Hospital, Chongqing 401331, China
| | | | | | - Ming Li
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Guo Chen
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China
| | - He Liu
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang 325000, China
| | - Peter Shaw
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang 325000, China
| | - Liyu Liu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing 401331, China
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Mizuta K, Matsubara T, Goto A, Addison WN, Nakatomi M, Matsuo K, Tada-Shigeyama Y, Yaginuma T, Honda H, Yoshioka I, Kokabu S. Plectin promotes tumor formation by B16 mouse melanoma cells via regulation of Rous sarcoma oncogene activity. BMC Cancer 2022; 22:936. [PMID: 36038818 PMCID: PMC9426213 DOI: 10.1186/s12885-022-10033-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 08/24/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Melanoma is a malignant tumor characterized by high proliferation and aggressive metastasis. To address the molecular mechanisms of the proto-oncogene, Rous sarcoma oncogene (Src), which is highly activated and promotes cell proliferation, migration, adhesion, and metastasis in melanoma. Plectin, a cytoskeletal protein, has recently been identified as a Src-binding protein that regulates Src activity in osteoclasts. Plectin is a candidate biomarker of certain tumors because of its high expression and the target of anti-tumor reagents such as ruthenium pyridinecarbothioamide. The molecular mechanisms by which plectin affects melanoma is still unclear. In this study, we examined the role of plectin in melanoma tumor formation. METHODS We used CRISPR/Cas9 gene editing to knock-out plectin in B16 mouse melanoma cells. Protein levels of plectin and Src activity were examined by western blotting analysis. In vivo tumor formation was assessed by subcutaneous injection of B16 cells into nude mice and histological analysis performed after 2 weeks by Hematoxylin-Eosin (H&E) staining. Cell proliferation was evaluated by direct cell count, cell counting kit-8 assays, cyclin D1 mRNA expression and Ki-67 immunostaining. Cell aggregation and adhesion were examined by spheroid formation, dispase-based dissociation assay and cell adhesion assays. RESULTS In in vivo tumor formation assays, depletion of plectin resulted in low-density tumors with large intercellular spaces. In vitro experiments revealed that plectin-deficient B16 cells exhibit reduced cell proliferation and reduced cell-to-cell adhesion. Since Src activity is reduced in plectin-deficient melanomas, we examined the relationship between plectin and Src signaling. Src overexpression in plectin knockout B16 cells rescued cell proliferation and improved cell-to-cell adhesion and cell to extracellular matrix adhesion. CONCLUSION These results suggest that plectin plays critical roles in tumor formation by promoting cell proliferation and cell-to-cell adhesion through Src signaling activity in melanoma cells.
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Affiliation(s)
- Kana Mizuta
- Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan.,Division of Oral Medicine, Department of Science of Physical Function, Kyushu Dental University, Kitakyushu, Japan
| | - Takuma Matsubara
- Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan.
| | - Akino Goto
- Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan
| | - William N Addison
- Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan
| | - Mitsushiro Nakatomi
- Department of Human, Information and Life Sciences, School of Health Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Kou Matsuo
- Division of Oral Pathology, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan
| | - Yukiyo Tada-Shigeyama
- Division of Dental Anesthesiology, Department of Science of Physical Function, Kyushu Dental University, Kitakyushu, Japan
| | - Tatsuki Yaginuma
- Division of Oral and Maxillofacial Surgery, Department of Science and Physical Function, Kyushu Dental University, Kitakyushu, Japan
| | - Hiromi Honda
- School of Oral Health Sciences, Kyushu Dental University, Kitakyushu, Japan
| | - Izumi Yoshioka
- Division of Oral Medicine, Department of Science of Physical Function, Kyushu Dental University, Kitakyushu, Japan
| | - Shoichiro Kokabu
- Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan.
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Contribution of n-3 Long-Chain Polyunsaturated Fatty Acids to the Prevention of Breast Cancer Risk Factors. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19137936. [PMID: 35805595 PMCID: PMC9265492 DOI: 10.3390/ijerph19137936] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 06/25/2022] [Accepted: 06/26/2022] [Indexed: 02/01/2023]
Abstract
Nowadays, diet and breast cancer are studied at different levels, particularly in tumor prevention and progression. Thus, the molecular mechanisms leading to better knowledge are deciphered with a higher precision. Among the molecules implicated in a preventive and anti-progressive way, n-3 long chain polyunsaturated fatty acids (n-3 LC-PUFAs) are good candidates. These molecules, like docosahexaenoic (DHA) and eicosapentaenoic (EPA) acids, are generally found in marine material, such as fat fishes or microalgae. EPA and DHA act as anti-proliferative, anti-invasive, and anti-angiogenic molecules in breast cancer cell lines, as well as in in vivo studies. A better characterization of the cellular and molecular pathways involving the action of these fatty acids is essential to have a realistic image of the therapeutic avenues envisaged behind their use. This need is reinforced by the increase in the number of clinical trials involving more and more n-3 LC-PUFAs, and this, in various pathologies ranging from obesity to a multitude of cancers. The objective of this review is, therefore, to highlight the new elements showing the preventive and beneficial effects of n-3 LC-PUFAs against the development and progression of breast cancer.
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Jang WY, Lee HP, Kim SA, Huang L, Yoon JH, Shin CY, Mitra A, Kim HG, Cho JY. Angiopteris cochinchinensis de Vriese Ameliorates LPS-Induced Acute Lung Injury via Src Inhibition. PLANTS 2022; 11:plants11101306. [PMID: 35631731 PMCID: PMC9143704 DOI: 10.3390/plants11101306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/02/2022] [Accepted: 05/10/2022] [Indexed: 11/16/2022]
Abstract
Growing demand for treatment options against acute lung injury (ALI) emphasizes studies on plant extracts harboring anti-inflammatory effects. According to GC-MS analysis, Angiopteris cochinchinensis de Vriese consists of various flavonoids with anti-inflammatory activities. Thus, in this study, the anti-inflammatory effects of an extract of Angiopteris cochinchinensis de Vriese (Ac-EE) were assessed using RAW264.6 murine macrophages and a lipopolysaccharide (LPS)-induced ALI model. Ac-EE reduced the nitric oxide production in murine macrophages increased by LPS induction. Moreover, protective effects of Ac-EE on lung tissue were demonstrated by shrinkage of edema and lung injury. Reduced neutrophil infiltration and formation of hyaline membranes were also detected in lung tissues after H&E staining. Semiquantitative RT-PCR, quantitative real-time PCR, and ELISA showed that Ac-EE inhibits the production of proinflammatory mediators, including iNOS and COX-2, and cytokines, such as TNF-α, IL-1β, and IL-6. An Ac-EE-mediated anti-inflammatory response was derived from inhibiting the NF-κB signaling pathway, which was evaluated by luciferase reporter assay and Western blotting analysis. A cellular thermal shift assay revealed that the prime target of Ac-EE in alleviating inflammation was Src. With its direct binding with Src, Angiopteris cochinchinensis de Vriese significantly mitigates lung injury, showing possibilities of its potential as an effective botanical drug.
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Affiliation(s)
- Won Young Jang
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea; (W.Y.J.); (H.P.L.); (S.A.K.)
| | - Hwa Pyoung Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea; (W.Y.J.); (H.P.L.); (S.A.K.)
| | - Seung A Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea; (W.Y.J.); (H.P.L.); (S.A.K.)
| | - Lei Huang
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Korea; (L.H.); (J.H.Y.); (C.Y.S.)
| | - Ji Hye Yoon
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Korea; (L.H.); (J.H.Y.); (C.Y.S.)
| | - Chae Yun Shin
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Korea; (L.H.); (J.H.Y.); (C.Y.S.)
| | - Ankita Mitra
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea;
| | - Han Gyung Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea; (W.Y.J.); (H.P.L.); (S.A.K.)
- Correspondence: (H.G.K.); (J.Y.C.); Tel.: +82-31-290-7878 (H.G.K.); +82-31-290-7868 (J.Y.C.)
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea; (W.Y.J.); (H.P.L.); (S.A.K.)
- Correspondence: (H.G.K.); (J.Y.C.); Tel.: +82-31-290-7878 (H.G.K.); +82-31-290-7868 (J.Y.C.)
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Chaudhuri A, Kumar DN, Dehari D, Singh S, Kumar P, Bolla PK, Kumar D, Agrawal AK. Emergence of Nanotechnology as a Powerful Cavalry against Triple-Negative Breast Cancer (TNBC). Pharmaceuticals (Basel) 2022; 15:542. [PMID: 35631368 PMCID: PMC9143332 DOI: 10.3390/ph15050542] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 04/26/2022] [Accepted: 04/26/2022] [Indexed: 12/11/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is considered one of the un-manageable types of breast cancer, involving devoid of estrogen, progesterone, and human epidermal growth factor receptor 2 (HER 2) receptors. Due to their ability of recurrence and metastasis, the management of TNBC remains a mainstay challenge, despite the advancements in cancer therapies. Conventional chemotherapy remains the only treatment regimen against TNBC and suffers several limitations such as low bioavailability, systemic toxicity, less targetability, and multi-drug resistance. Although various targeted therapies have been introduced to manage the hardship of TNBC, they still experience certain limitations associated with the survival benefits. The current research thus aimed at developing and improving the strategies for effective therapy against TNBC. Such strategies involved the emergence of nanoparticles. Nanoparticles are designated as nanocavalries, loaded with various agents (drugs, genes, etc.) to battle the progression and metastasis of TNBC along with overcoming the limitations experienced by conventional chemotherapy and targeted therapy. This article documents the treatment regimens of TNBC along with their efficacy towards different subtypes of TNBC, and the various nanotechnologies employed to increase the therapeutic outcome of FDA-approved drug regimens.
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Affiliation(s)
- Aiswarya Chaudhuri
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India; (A.C.); (D.N.K.); (D.D.); (S.S.); (D.K.)
| | - Dulla Naveen Kumar
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India; (A.C.); (D.N.K.); (D.D.); (S.S.); (D.K.)
| | - Deepa Dehari
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India; (A.C.); (D.N.K.); (D.D.); (S.S.); (D.K.)
| | - Sanjay Singh
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India; (A.C.); (D.N.K.); (D.D.); (S.S.); (D.K.)
- Babasaheb Bhimrao Ambedkar University, Lucknow 226025, India
| | - Pradeep Kumar
- Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg 2193, South Africa;
| | - Pradeep Kumar Bolla
- Department of Biomedical Engineering, College of Engineering, The University of Texas at El Paso, 500 W. University Ave, El Paso, TX 79968, USA;
| | - Dinesh Kumar
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India; (A.C.); (D.N.K.); (D.D.); (S.S.); (D.K.)
| | - Ashish Kumar Agrawal
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India; (A.C.); (D.N.K.); (D.D.); (S.S.); (D.K.)
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12
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Development of 2'-aminospiro [pyrano[3,2-c]quinoline]-3'-carbonitrile derivatives as non-ATP competitive Src kinase inhibitors that suppress breast cancer cell migration and proliferation. Bioorg Chem 2021; 116:105344. [PMID: 34598088 DOI: 10.1016/j.bioorg.2021.105344] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/31/2021] [Accepted: 09/07/2021] [Indexed: 02/03/2023]
Abstract
Src kinase activity controls diverse cellular functions, including cell growth, migration, adhesion, and survival. It is de-regulated in several cancers, including breast cancer, where it is highly expressed and phosphorylated. Thus, targeting Src by a small molecule is a feasible strategy for managing different breast cancer types. Several Src kinase inhibitors are available, including the FDA-approved drug (dasatinib). However, they are primarily ATP-competitive inhibitors that have been reported to lack specificity towards Src. We have a long-time interest in discovering protein kinase inhibitors that are non-competitive for ATP. In this project, three groups of 2'-aminospiro[pyrano[3,2-c]quinoline]-3'-carbonitrile derivatives were designed and synthesized, hypothesizing that small molecules with a spiro scaffold appended to a pyrano[3,2-c]quinoline analog could act as non-ATP competitive Src kinase inhibitors. 3b, 3c, and 3d inhibited Src kinase activity with IC50s of 4.9, 5.9, and 0.9 μM, respectively. At the same time, they did not impact the MDM2/p53 interaction in HEK293 cells, which has been reported to be affected by some spirocyclic compounds. 25 µM of 3b, 3c, or 3d did not inhibit the kinase activity of ERK2, JNK1, or p38-alpha in an in-vitro kinase assay. Steady-state kinetic studies for the effect of 3d on the ability of recombinant Src to phosphorylate its substrate (Srctide) revealed a non-ATP competitive inhibition mechanism. 1.6 µM of 3d was enough to diminish Src, Fak, and paxillin phosphorylation in the breast cancer cell lines MDA-MB-231 and MCF7. In the NCI screening, 3d induced broad tumor cytotoxicity for the NCI-60 cell lines, including all the breast cancer cell lines. The potency of 3b, 3c, and 3d to inhibit migration, proliferation, and colony formation of MDA-MB-231 and proliferation of MCF7 cells correlates with their potency to suppress Src kinase activity in the same cell line. Noticeably, the cell growth suppression and apoptosis induction in the tested cell lines can be attributed to the ability of the new derivatives to suppress the ERK and Akt survival pathways downstream of Src.
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13
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Li M, Xue N, Liu X, Wang Q, Yan H, Liu Y, Wang L, Shi X, Cao D, Zhang K, Zhang Y. Discovery of Potent EGFR Inhibitors With 6-Arylureido-4-anilinoquinazoline Derivatives. Front Pharmacol 2021; 12:647591. [PMID: 34122069 PMCID: PMC8187944 DOI: 10.3389/fphar.2021.647591] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 05/06/2021] [Indexed: 12/22/2022] Open
Abstract
According to the classical pharmacophore fusion strategy, a series of 6-arylureido-4-anilinoquinazoline derivatives ( Compounds 7a - t ) were designed, synthesized, and biologically evaluated by the standard CCK-8 method and enzyme inhibition assay. Among the title compounds, Compounds 7a , 7c , 7d , 7f , 7i , 7o , 7p , and 7q exhibited promising anti-proliferative bioactivities, especially Compound 7i , which had excellent antitumor activity against the A549, HT-29, and MCF-7 cell lines (IC50 = 2.25, 1.72, and 2.81 μM, respectively) compared with gefitinib, erlotinib, and sorafenib. In addition, the enzyme activity inhibition assay indicated that the synthesized compounds had sub-micromolar inhibitory levels (IC50, 11.66-867.1 nM), which was consistent with the results of the tumor cell line growth inhibition tests. By comparing the binding mechanisms of Compound 7i (17.32 nM), gefitinib (25.42 nM), and erlotinib (33.25 nM) to the EGFR, it was found that Compound 7i could extend into the effective region with a similar action conformation to that of gefitinib and interact with residues L85, D86, and R127, increasing the binding affinity of Compound 7i to the EGFR. Based on the molecular hybridization strategy, 14 compounds with EGFR inhibitory activity were designed and synthesized, and the action mechanism was explored through computational approaches, providing valuable clues for the research of antitumor agents based on EGFR inhibitors.
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Affiliation(s)
- Meng Li
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Na Xue
- Department of Pharmaceutical Engineering, Hebei Chemical and Pharmaceutical College, Shijiazhuang, China
| | - Xingang Liu
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Qiaoyun Wang
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Hongyi Yan
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Yifan Liu
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Lei Wang
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Xiaowei Shi
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Deying Cao
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Kai Zhang
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Yang Zhang
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
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Zhang J, Qiao Q, Xu H, Zhou R, Liu X. Human cell polyploidization: The good and the evil. Semin Cancer Biol 2021; 81:54-63. [PMID: 33839294 DOI: 10.1016/j.semcancer.2021.04.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 04/06/2021] [Accepted: 04/06/2021] [Indexed: 02/06/2023]
Abstract
Therapeutic resistance represents a major cause of death for most lethal cancers. However, the underlying mechanisms of such resistance have remained unclear. The polyploid cells are due to an increase in DNA content, commonly associated with cell enlargement. In human, they play a variety of roles in physiology and pathologic conditions and perform the specialized functions during development, inflammation, and cancer. Recent work shows that cancer cells can be induced into polyploid giant cancer cells (PGCCs) that leads to reprogramming of surviving cancer cells to acquire resistance. In this article, we will review the polyploidy involved in development and inflammation, and the process of PGCCs formation and propagation that benefits to cell survival. We will discuss the potential opportunities in fighting resistant cancers. The increased knowledge of PGCCs will offer a completely new paradigm to explore the therapeutic intervention for lethal cancers.
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Affiliation(s)
- Jing Zhang
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital, The Fourth Military Medical University, Xi'an, 710032, China.
| | - Qing Qiao
- Department of General Surgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, 710038, Shaanxi, China
| | - Hong Xu
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital, The Fourth Military Medical University, Xi'an, 710032, China
| | - Ru Zhou
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital, The Fourth Military Medical University, Xi'an, 710032, China
| | - Xinzhe Liu
- School of Basic Medicine, The Fourth Military Medical University, Xi'an, 710032, China
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Mayoral-Varo V, Sánchez-Bailón MP, Calcabrini A, García-Hernández M, Frezza V, Martín ME, González VM, Martín-Pérez J. The Relevance of the SH2 Domain for c-Src Functionality in Triple-Negative Breast Cancer Cells. Cancers (Basel) 2021; 13:cancers13030462. [PMID: 33530373 PMCID: PMC7865352 DOI: 10.3390/cancers13030462] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/15/2021] [Accepted: 01/19/2021] [Indexed: 02/05/2023] Open
Abstract
The role of Src family kinases (SFKs) in human tumors has been always associated with tyrosine kinase activity and much less attention has been given to the SH2 and SH3 adapter domains. Here, we studied the role of the c-Src-SH2 domain in triple-negative breast cancer (TNBC). To this end, SUM159PT and MDA-MB-231 human cell lines were employed as model systems. These cells conditionally expressed, under tetracycline control (Tet-On system), a c-Src variant with point-inactivating mutation of the SH2 adapter domain (R175L). The expression of this mutant reduced the self-renewal capability of the enriched population of breast cancer stem cells (BCSCs), demonstrating the importance of the SH2 adapter domain of c-Src in the mammary gland carcinogenesis. In addition, the analysis of anchorage-independent growth, proliferation, migration, and invasiveness, all processes associated with tumorigenesis, showed that the SH2 domain of c-Src plays a very relevant role in their regulation. Furthermore, the transfection of two different aptamers directed to SH2-c-Src in both SUM159PT and MDA-MB-231 cells induced inhibition of their proliferation, migration, and invasiveness, strengthening the hypothesis that this domain is highly involved in TNBC tumorigenesis. Therefore, the SH2 domain of c-Src could be a promising therapeutic target and combined treatments with inhibitors of c-Src kinase enzymatic activity may represent a new therapeutic strategy for patients with TNBC, whose prognosis is currently very negative.
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Affiliation(s)
- Víctor Mayoral-Varo
- Instituto de Investigaciones Biomédicas A, Sols/Dpto. Bioquímica (CSIC/UAM), Arturo Duperier 4, 28029 Madrid, Spain; (V.M.-V.); (M.P.S.-B.); (A.C.)
| | - María Pilar Sánchez-Bailón
- Instituto de Investigaciones Biomédicas A, Sols/Dpto. Bioquímica (CSIC/UAM), Arturo Duperier 4, 28029 Madrid, Spain; (V.M.-V.); (M.P.S.-B.); (A.C.)
- Max Delbrück Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany
| | - Annarica Calcabrini
- Instituto de Investigaciones Biomédicas A, Sols/Dpto. Bioquímica (CSIC/UAM), Arturo Duperier 4, 28029 Madrid, Spain; (V.M.-V.); (M.P.S.-B.); (A.C.)
- National Center for Drug Research and Evaluation, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy
| | - Marta García-Hernández
- Grupo de Aptámeros, Servicio Bioquímica-Investigación, IRYCIS-Hospital Ramón y Cajal. Ctra. Colmenar Viejo km 9100, 28034 Madrid, Spain; (M.G.-H.); (V.F.); (M.E.M.); (V.M.G.)
| | - Valerio Frezza
- Grupo de Aptámeros, Servicio Bioquímica-Investigación, IRYCIS-Hospital Ramón y Cajal. Ctra. Colmenar Viejo km 9100, 28034 Madrid, Spain; (M.G.-H.); (V.F.); (M.E.M.); (V.M.G.)
| | - María Elena Martín
- Grupo de Aptámeros, Servicio Bioquímica-Investigación, IRYCIS-Hospital Ramón y Cajal. Ctra. Colmenar Viejo km 9100, 28034 Madrid, Spain; (M.G.-H.); (V.F.); (M.E.M.); (V.M.G.)
| | - Víctor M. González
- Grupo de Aptámeros, Servicio Bioquímica-Investigación, IRYCIS-Hospital Ramón y Cajal. Ctra. Colmenar Viejo km 9100, 28034 Madrid, Spain; (M.G.-H.); (V.F.); (M.E.M.); (V.M.G.)
| | - Jorge Martín-Pérez
- Instituto de Investigaciones Biomédicas A, Sols/Dpto. Bioquímica (CSIC/UAM), Arturo Duperier 4, 28029 Madrid, Spain; (V.M.-V.); (M.P.S.-B.); (A.C.)
- Instituto de Investigaciones Sanitarias del Hospital La Paz (IdiPAZ), Paseo de la Castellana 261, 28046 Madrid, Spain
- Correspondence: or ; Tel.: +34-91-585-4416; Fax: +34-91-585-4401
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Targeting SRC Kinase Signaling in Pancreatic Cancer Stem Cells. Int J Mol Sci 2020; 21:ijms21207437. [PMID: 33050159 PMCID: PMC7588004 DOI: 10.3390/ijms21207437] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 10/03/2020] [Accepted: 10/04/2020] [Indexed: 02/06/2023] Open
Abstract
The proto-oncogene nonreceptor tyrosine-protein kinase SRC is a member of the SRC family of tyrosine kinases (SFKs), and its activation and overexpression have been shown to play a protumorigenic role in multiple solid cancers, including pancreatic ductal adenocarcinoma (PDAC). PDAC is currently the seventh-leading cause of cancer-related death worldwide, and, by 2030, it is predicted to become the second-leading cause of cancer-related death in the United States. PDAC is characterized by its high lethality (5-year survival of rate of <10%), invasiveness, and chemoresistance, all of which have been shown to be due to the presence of pancreatic cancer stem cells (PaCSCs) within the tumor. Due to the demonstrated overexpression of SRC in PDAC, we set out to determine if SRC kinases are important for PaCSC biology using pharmacological inhibitors of SRC kinases (dasatinib or PP2). Treatment of primary PDAC cultures established from patient-derived xenografts with dasatinib or PP2 reduced the clonogenic, self-renewal, and tumor-initiating capacity of PaCSCs, which we attribute to the downregulation of key signaling factors such as p-FAK, p-ERK1-2, and p-AKT. Therefore, this study not only validates that SRC kinases are relevant and biologically important for PaCSCs but also suggests that inhibitors of SRC kinases may represent a possible future treatment option for PDAC patients, although further studies are still needed.
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Mayoral-Varo V, Calcabrini A, Sánchez-Bailón MP, Martínez-Costa ÓH, González-Páramos C, Ciordia S, Hardisson D, Aragón JJ, Fernández-Moreno MÁ, Martín-Pérez J. c-Src functionality controls self-renewal and glucose metabolism in MCF7 breast cancer stem cells. PLoS One 2020; 15:e0235850. [PMID: 32673341 PMCID: PMC7365443 DOI: 10.1371/journal.pone.0235850] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 06/23/2020] [Indexed: 06/11/2023] Open
Abstract
Deregulation of Src kinases is associated with cancer. We previously showed that SrcDN conditional expression in MCF7 cells reduces tumorigenesis and causes tumor regression in mice. However, it remained unclear whether SrcDN affected breast cancer stem cell functionality or it reduced tumor mass. Here, we address this question by isolating an enriched population of Breast Cancer Stem Cells (BCSCs) from MCF7 cells with inducible expression of SrcDN. Induction of SrcDN inhibited self-renewal, and stem-cell marker expression (Nanog, Oct3-4, ALDH1, CD44). Quantitative proteomic analyses of mammospheres from MCF7-Tet-On-SrcDN cells (data are available via ProteomeXchange with identifier PXD017789, project DOI: 10.6019/PXD017789) and subsequent GSEA showed that SrcDN expression inhibited glycolysis. Indeed, induction of SrcDN inhibited expression and activity of hexokinase, pyruvate kinase and lactate dehydrogenase, resulting in diminished glucose consumption and lactate production, which restricted Warburg effect. Thus, c-Src functionality is important for breast cancer stem cell maintenance and renewal, and stem cell transcription factor expression, effects linked to glucose metabolism reduction.
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Affiliation(s)
| | | | | | | | | | - Sergio Ciordia
- Servicio de Espectrometría de Masas, Centro Nacional de Biotecnología (CSIC), Madrid, Spain
| | - David Hardisson
- Servicio de Anatomía Patológica, Hospital Universitario La Paz, Madrid
- Departamento de Anatomía Patológica, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain
- Instituto de investigaciones sanitarias del hospital La Paz (IdiPAZ), Madrid, Spain
| | - Juan J. Aragón
- Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), Madrid, Spain
| | - Miguel Ángel Fernández-Moreno
- Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), Madrid, Spain
- Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | - Jorge Martín-Pérez
- Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), Madrid, Spain
- Instituto de investigaciones sanitarias del hospital La Paz (IdiPAZ), Madrid, Spain
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18
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Min X, Zhang X, Li Y, Cao X, Cheng H, Li Y, Li C, Kong Q, Mao Q, Peng P, Ni Y, Li J, Duan Y, Liu L, Ding Z. HSPA12A unstabilizes CD147 to inhibit lactate export and migration in human renal cell carcinoma. Am J Cancer Res 2020; 10:8573-8590. [PMID: 32754264 PMCID: PMC7392002 DOI: 10.7150/thno.44321] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 06/23/2020] [Indexed: 12/20/2022] Open
Abstract
Background: Metastasis accounts for 90% of cancer-associated mortality in patients with renal cell carcinoma (RCC). However, the clinical management of RCC metastasis is challenging. Lactate export is known to play an important role in cancer cell migration. This study investigated the role of heat shock protein A12A (HSPA12A) in RCC migration. Methods: HSPA12A expression was examined in 82 pairs of matched RCC tumors and corresponding normal kidney tissues from patients by immunoblotting and immunofluorescence analyses. The proliferation of RCC cells was analyzed using MTT and EdU incorporation assays. The migration of RCC cells was evaluated by wound healing and Transwell migration assays. Extracellular acidification was examined using Seahorse technology. Protein stability was determined following treatment with protein synthesis inhibitor cycloheximide and proteasome inhibitor MG132. Mass spectrometry, immunoprecipitation, and immunoblotting were employed to examine protein-protein interactions. Results: RCC tumors from patients showed downregulation of HSPA12A, which was associated with advanced tumor node metastasis stage. Intriguingly, overexpression of HSPA12A in RCC cells inhibited migration, whereas HSPA12A knockdown had the opposite effect. Lactate export, glycolysis rate, and CD147 protein abundance were also inhibited by HSPA12A overexpression but promoted by HSPA12A knockdown. An interaction of HSPA12A with HRD1 ubiquitin E3 ligase was detected in RCC cells. Further studies demonstrated that CD147 ubiquitination and proteasomal degradation were promoted by HSPA12A overexpression whereas inhibited by HSPA12A knockdown. Notably, the HSPA12A overexpression-induced inhibition of lactate export and migration were abolished by CD147 overexpression. Conclusion: Human RCC shows downregulation of HSPA12A. Overexpression of HSPA12A in RCC cells unstabilizes CD147 through increasing its ubiquitin-proteasome degradation, thereby inhibits lactate export and glycolysis, and ultimately suppresses RCC cell migration. Our results demonstrate that overexpression of HSPA12A might represent a viable strategy for managing RCC metastasis.
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Shen J, Li L, Howlett NG, Cohen PS, Sun G. Application of a Biphasic Mathematical Model of Cancer Cell Drug Response for Formulating Potent and Synergistic Targeted Drug Combinations to Triple Negative Breast Cancer Cells. Cancers (Basel) 2020; 12:cancers12051087. [PMID: 32349331 PMCID: PMC7281712 DOI: 10.3390/cancers12051087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 04/20/2020] [Accepted: 04/24/2020] [Indexed: 01/22/2023] Open
Abstract
Triple negative breast cancer is a collection of heterogeneous breast cancers that are immunohistochemically negative for estrogen receptor, progesterone receptor, and ErbB2 (due to deletion or lack of amplification). No dominant proliferative driver has been identified for this type of cancer, and effective targeted therapy is lacking. In this study, we hypothesized that triple negative breast cancer cells are multi-driver cancer cells, and evaluated a biphasic mathematical model for identifying potent and synergistic drug combinations for multi-driver cancer cells. The responses of two triple negative breast cancer cell lines, MDA-MB-231 and MDA-MB-468, to a panel of targeted therapy drugs were determined over a broad range of concentrations. The analyses of the drug responses by the biphasic mathematical model revealed that both cell lines were indeed dependent on multiple drivers, and inhibitors of individual drivers caused a biphasic response: a target-specific partial inhibition at low nM concentrations, and an off-target toxicity at μM concentrations. We further demonstrated that combinations of drugs, targeting each driver, cause potent, synergistic, and cell-specific cell killing. Immunoblotting analysis of the effects of the individual drugs and drug combinations on the signaling pathways supports the above conclusion. These results support a multi-driver proliferation hypothesis for these triple negative breast cancer cells, and demonstrate the applicability of the biphasic mathematical model for identifying effective and synergistic targeted drug combinations for triple negative breast cancer cells.
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Affiliation(s)
- Jinyan Shen
- Department of Cell and Molecular Biology, University of Rhode Island, Kingston, RI 02881, USA
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Li Li
- Department of Cell and Molecular Biology, University of Rhode Island, Kingston, RI 02881, USA
- Department of Cell Biology and Medical Genetics, Shanxi Medical University, Taiyuan 030001, China
| | - Niall G. Howlett
- Department of Cell and Molecular Biology, University of Rhode Island, Kingston, RI 02881, USA
| | - Paul S. Cohen
- Department of Cell and Molecular Biology, University of Rhode Island, Kingston, RI 02881, USA
| | - Gongqin Sun
- Department of Cell and Molecular Biology, University of Rhode Island, Kingston, RI 02881, USA
- Correspondence: ; Tel.: +1-401-874-5937
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Src-family kinase inhibitors block early steps of caveolin-1-enhanced lung metastasis by melanoma cells. Biochem Pharmacol 2020; 177:113941. [PMID: 32240650 DOI: 10.1016/j.bcp.2020.113941] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 03/26/2020] [Indexed: 02/08/2023]
Abstract
In advanced stages of cancer disease, caveolin-1 (CAV1) expression increases and correlates with increased migratory and invasive capacity of the respective tumor cells. Previous findings from our laboratory revealed that specific ECM-integrin interactions and tyrosine-14 phosphorylation of CAV1 are required for CAV1-enhanced melanoma cell migration, invasion and metastasis in vivo. In this context, CAV1 phosphorylation on tyrosine-14 mediated by non-receptor Src-family tyrosine kinases seems to be important; however, the effect of Src-family kinase inhibitors on CAV1-enhanced metastasis in vivo has not been studied. Here, we evaluated the effect of CAV1 and c-Abl overexpression, as well as the use of the Src-family kinase inhibitors, PP2 and dasatinib (more specific for Src/Abl) in lung metastasis of B16F10 melanoma cells. Overexpression of CAV1 and c-Abl enhanced CAV1 phosphorylation and the metastatic potential of the B16F10 murine melanoma cells. Alternatively, treatment with PP2 or dasatinib for 2 h reduced CAV1 tyrosine-14 phosphorylation and levels recovered fully within 12 h of removing the inhibitors. Nonetheless, pre-treatment of cells with these inhibitors for 2 h sufficed to prevent migration, invasion and trans-endothelial migration in vitro. Importantly, the transient decrease in CAV1 phosphorylation by these kinase inhibitors prevented early steps of CAV1-enhanced lung metastasis by B16F10 melanoma cells injected into the tail vein of mice. In conclusion, this study underscores the relevance of CAV1 tyrosine-14 phosphorylation by Src-family kinases during the first steps of the metastatic sequence promoted by CAV1. These findings open up potential options for treatment of metastatic tumors in patients in which Src-family kinase activation and CAV1 overexpression favor dissemination of cancer cells to secondary sites.
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21
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Du G, Rao S, Gurbani D, Henning NJ, Jiang J, Che J, Yang A, Ficarro SB, Marto JA, Aguirre AJ, Sorger PK, Westover KD, Zhang T, Gray NS. Structure-Based Design of a Potent and Selective Covalent Inhibitor for SRC Kinase That Targets a P-Loop Cysteine. J Med Chem 2020; 63:1624-1641. [PMID: 31935084 PMCID: PMC7493195 DOI: 10.1021/acs.jmedchem.9b01502] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
SRC is a major regulator of many signaling pathways and contributes to cancer development. However, development of a selective SRC inhibitor has been challenging, and FDA-approved SRC inhibitors, dasatinib and bosutinib, are multitargeted kinase inhibitors. Here, we describe our efforts to develop a selective SRC covalent inhibitor by targeting cysteine 277 on the P-loop of SRC. Using a promiscuous covalent kinase inhibitor (CKI) SM1-71 as a starting point, we developed covalent inhibitor 15a, which discriminates SRC from other covalent targets of SM1-71 including TAK1 and FGFR1. As an irreversible covalent inhibitor, compound 15a exhibited sustained inhibition of SRC signaling both in vitro and in vivo. Moreover, 15a exhibited potent antiproliferative effects in nonsmall cell lung cancer cell lines harboring SRC activation, thus providing evidence that this approach may be promising for further drug development efforts.
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Affiliation(s)
- Guangyan Du
- Department of Biological Chemistry and Molecular Pharmacology , Harvard Medical School , Boston , Massachusetts 02115 , United States
- Department of Cancer Biology , Dana Farber Cancer Institute , 450 Brookline Avenue , Boston , Massachusetts 02215 , United States
| | - Suman Rao
- Department of Biological Chemistry and Molecular Pharmacology , Harvard Medical School , Boston , Massachusetts 02115 , United States
- Department of Cancer Biology , Dana Farber Cancer Institute , 450 Brookline Avenue , Boston , Massachusetts 02215 , United States
- Laboratory of Systems Biology , Harvard Medical School , Boston , Massachusetts 02115 , United States
| | - Deepak Gurbani
- Departments of Biochemistry and Radiation Oncology , The University of Texas Southwestern Medical Center at Dallas , Dallas , Texas 75390 , United States
| | - Nathaniel J Henning
- Department of Biological Chemistry and Molecular Pharmacology , Harvard Medical School , Boston , Massachusetts 02115 , United States
- Department of Cancer Biology , Dana Farber Cancer Institute , 450 Brookline Avenue , Boston , Massachusetts 02215 , United States
| | - Jie Jiang
- Department of Biological Chemistry and Molecular Pharmacology , Harvard Medical School , Boston , Massachusetts 02115 , United States
- Department of Cancer Biology , Dana Farber Cancer Institute , 450 Brookline Avenue , Boston , Massachusetts 02215 , United States
| | - Jianwei Che
- Department of Biological Chemistry and Molecular Pharmacology , Harvard Medical School , Boston , Massachusetts 02115 , United States
- Department of Cancer Biology , Dana Farber Cancer Institute , 450 Brookline Avenue , Boston , Massachusetts 02215 , United States
| | - Annan Yang
- Department of Medical Oncology , Dana Farber Cancer Institute , 450 Brookline Avenue , Boston , Massachusetts 02215 , United States
| | - Scott B Ficarro
- Department of Biological Chemistry and Molecular Pharmacology , Harvard Medical School , Boston , Massachusetts 02115 , United States
| | - Jarrod A Marto
- Department of Biological Chemistry and Molecular Pharmacology , Harvard Medical School , Boston , Massachusetts 02115 , United States
| | - Andrew J Aguirre
- Department of Medical Oncology , Dana Farber Cancer Institute , 450 Brookline Avenue , Boston , Massachusetts 02215 , United States
| | - Peter K Sorger
- Laboratory of Systems Biology , Harvard Medical School , Boston , Massachusetts 02115 , United States
| | - Kenneth D Westover
- Departments of Biochemistry and Radiation Oncology , The University of Texas Southwestern Medical Center at Dallas , Dallas , Texas 75390 , United States
| | - Tinghu Zhang
- Department of Biological Chemistry and Molecular Pharmacology , Harvard Medical School , Boston , Massachusetts 02115 , United States
- Department of Cancer Biology , Dana Farber Cancer Institute , 450 Brookline Avenue , Boston , Massachusetts 02215 , United States
| | - Nathanael S Gray
- Department of Biological Chemistry and Molecular Pharmacology , Harvard Medical School , Boston , Massachusetts 02115 , United States
- Department of Cancer Biology , Dana Farber Cancer Institute , 450 Brookline Avenue , Boston , Massachusetts 02215 , United States
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22
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Intramitochondrial Src kinase links mitochondrial dysfunctions and aggressiveness of breast cancer cells. Cell Death Dis 2019; 10:940. [PMID: 31819039 PMCID: PMC6901437 DOI: 10.1038/s41419-019-2134-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 10/09/2019] [Accepted: 11/06/2019] [Indexed: 12/13/2022]
Abstract
High levels and activity of Src kinase are common among breast cancer subtypes, and several inhibitors of the kinase are currently tested in clinical trials. Alterations in mitochondrial activity is also observed among the different types of breast cancer. Src kinase is localized in several subcellular compartments, including mitochondria where it targets several proteins to modulate the activity of the organelle. Although the subcellular localization of other oncogenes modulates the potency of known treatments, nothing is known about the specific role of intra-mitochondrial Src (mtSrc) in breast cancer. The aim of this work was to determine whether mtSrc kinase has specific impact on breast cancer cells. We first observed that activity of mtSrc is higher in breast cancer cells of the triple negative subtype. Over-expression of Src specifically targeted to mitochondria reduced mtDNA levels, mitochondrial membrane potential and cellular respiration. These alterations of mitochondrial functions led to lower cellular viability, shorter cell cycle and increased invasive capacity. Proteomic analyses revealed that mtSrc targets the mitochondrial single-stranded DNA-binding protein, a regulator of mtDNA replication. Our findings suggest that mtSrc promotes aggressiveness of breast cancer cells via phosphorylation of mitochondrial single-stranded DNA-binding protein leading to reduced mtDNA levels and mitochondrial activity. This study highlights the importance of considering the subcellular localization of Src kinase in the development of potent therapy for breast cancer.
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23
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王 道, 刘 亚, 赵 婉, 王 茹, 童 旭, 蒋 国. [SRC kinase inhibitor PP2 inhibits invasion and metastasis of lung cancer A549 cells by upregulating connexin43 expression]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2019; 39:797-803. [PMID: 31340912 PMCID: PMC6765555 DOI: 10.12122/j.issn.1673-4254.2019.07.08] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To investigate the effect of SRC kinase inhibitor PP2 on the invasion and metastasis of lung cancer A549 cells and explore its molecular mechanism. METHODS MTT assay was used to evaluate the inhibitory effect of PP2 on the proliferation of A549 cells. Cell scratch and Transwell assays were performed to assess the invasion and metastatic capacity of A549 cells after treatment with 1, 2, 4, 8, and 16 μmol/L PP2 for 24 h. Western blotting was used to detect the expressions of connexin43 (Cx43) and MMP-2 in the cells after small interfering RNA (siRNA)-mediated silencing or overexpression of Cx43; the changes in the cell invasion and metastasis in response to PP2 treatment after Cx43 silencing or overexpression were investigated. RESULTS MTT assay showed that treatment with PP2 at 2, 4, 8, 16, and 32 μmol/L significantly inhibited the proliferation of A549 cells in a concentration-dependent manner. Treatments with PP2 at 1, 2, 4, 8, and 16 μmol/L for 24 h also concentration-dependently lowered the invasion and metastatic abilities of the cells (P < 0.05). At 4 and 8 μmol/L, PP2 significantly increased the expression level of Cx43 protein and decreased the expression level of MMP-2 protein. Overexpression of Cx43 significantly enhanced the inhibitory effect of PP2 on the cell invasion and metastasis, and Cx43 silencing significantly attenuated the inhibitory effect of PP2 (P < 0.05). CONCLUSIONS PP2 treatment can suppress the invasion and metastasis of A549 cells in vitro possibly by modulating the expression of Cx43.
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Affiliation(s)
- 道鑫 王
- />蚌埠医学院药学院药理教研室//安徽省生化药物工程技术研究中心,安徽 蚌埠 233030School of Pharmacy, Bengbu Medical College/Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, Bengbu 233030, China
| | - 亚明 刘
- />蚌埠医学院药学院药理教研室//安徽省生化药物工程技术研究中心,安徽 蚌埠 233030School of Pharmacy, Bengbu Medical College/Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, Bengbu 233030, China
| | - 婉晨 赵
- />蚌埠医学院药学院药理教研室//安徽省生化药物工程技术研究中心,安徽 蚌埠 233030School of Pharmacy, Bengbu Medical College/Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, Bengbu 233030, China
| | - 茹 王
- />蚌埠医学院药学院药理教研室//安徽省生化药物工程技术研究中心,安徽 蚌埠 233030School of Pharmacy, Bengbu Medical College/Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, Bengbu 233030, China
| | - 旭辉 童
- />蚌埠医学院药学院药理教研室//安徽省生化药物工程技术研究中心,安徽 蚌埠 233030School of Pharmacy, Bengbu Medical College/Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, Bengbu 233030, China
| | - 国君 蒋
- />蚌埠医学院药学院药理教研室//安徽省生化药物工程技术研究中心,安徽 蚌埠 233030School of Pharmacy, Bengbu Medical College/Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, Bengbu 233030, China
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24
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Small-Molecule Inhibition of the UNC-Src Interaction Impairs Dynamic Src Localization in Cells. Cell Chem Biol 2019; 26:842-851.e7. [PMID: 30956149 DOI: 10.1016/j.chembiol.2019.02.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 04/19/2018] [Accepted: 02/26/2019] [Indexed: 12/14/2022]
Abstract
Interference with the signaling activity of the N-myristoylated nonreceptor protein tyrosine kinase Src is considered a viable approach in anti-cancer drug discovery. However, ATP-competitive Src inhibitors have not reached the clinic yet and alternative approaches are in high demand. The UNC119A/B proteins bind the myristoylated N terminus of Src and thereby mediate energy-driven spatial cycles that maintain Src enrichment at the plasma membrane, which is critical for Src signaling activity. We describe the discovery of a potent and specific inhibitor of the UNC119-Src interaction with unprecedented chemotype. The inhibitor binds to UNC119 in cells, and induces redistribution of Src to endomembranes and reduction of activating Src autophosphorylation on Y419. UNC119 inhibition in Src-dependent colorectal cancer cells results in the specific reduction of cell growth and clonogenic potential. Our results demonstrate that small-molecule interference with the dynamics of the Src spatial cycle may provide an opportunity to impair oncogenic Src signaling.
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25
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The Pro-Tumoral Activity of Heparan Sulfate 3- O-Sulfotransferase 3B (HS3ST3B) in Breast Cancer MDA-MB-231 Cells Is Dependent on the Expression of Neuropilin-1. Molecules 2018; 23:molecules23102718. [PMID: 30360368 PMCID: PMC6222811 DOI: 10.3390/molecules23102718] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 10/17/2018] [Accepted: 10/19/2018] [Indexed: 01/13/2023] Open
Abstract
Heparan sulfate 3-O-sulfotransferases (HS3STs) catalyze the maturation step of heparan sulfate (HS) 3-O-sulfation. This modification is relatively rare. Moreover, only a few biological processes have been described to be influenced by 3-O-sulfated HS, and few ligands have been identified so far. Among them, neuropilin-1 (Nrp1) was reported to exhibit tumor-promoting properties by enhancing the action of various growth factors. We recently demonstrated that transient overexpression of HS3ST2, 3B or 4 enhanced the proliferation of breast cancer MDA-MB-231 cells and promote efficient protection against pro-apoptotic stimuli. Hence, we hypothesized that the pro-tumoral activity of these HS3STs could depend on the expression of Nrp1. To test this, MDA-MB-231 cells were stably transfected with a construct encoding HS3ST3B and the expression of Nrp1 was down-regulated by RNA interference. First, we confirmed that stable expression of HS3ST3B effectively increased cell proliferation and viability. Silencing the expression of Nrp1 markedly attenuated the promoting effects of HS3ST3B, while the same treatment had only a moderate effect on the behavior of the parental cells. Altogether, our findings support the idea that the tumor-promoting effects of HS3ST3B could be dependent on the expression of Nrp1 in cancer cells.
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Davies T, Kim HX, Romano Spica N, Lesea-Pringle BJ, Dumont J, Shirasu-Hiza M, Canman JC. Cell-intrinsic and -extrinsic mechanisms promote cell-type-specific cytokinetic diversity. eLife 2018; 7:36204. [PMID: 30028292 PMCID: PMC6054530 DOI: 10.7554/elife.36204] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Accepted: 06/10/2018] [Indexed: 01/05/2023] Open
Abstract
Cytokinesis, the physical division of one cell into two, is powered by constriction of an actomyosin contractile ring. It has long been assumed that all animal cells divide by a similar molecular mechanism, but growing evidence suggests that cytokinetic regulation in individual cell types has more variation than previously realized. In the four-cell Caenorhabditis elegans embryo, each blastomere has a distinct cell fate, specified by conserved pathways. Using fast-acting temperature-sensitive mutants and acute drug treatment, we identified cell-type-specific variation in the cytokinetic requirement for a robust forminCYK-1-dependent filamentous-actin (F-actin) cytoskeleton. In one cell (P2), this cytokinetic variation is cell-intrinsically regulated, whereas in another cell (EMS) this variation is cell-extrinsically regulated, dependent on both SrcSRC-1 signaling and direct contact with its neighbor cell, P2. Thus, both cell-intrinsic and -extrinsic mechanisms control cytokinetic variation in individual cell types and can protect against division failure when the contractile ring is weakened. The successful division of one cell into two is essential for all organisms to live, grow and reproduce. For an animal cell, the nucleus – the compartment containing the genetic material – must divide before the surrounding material. The rest of the cell, called the cytoplasm, physically separates later in a process known as cytokinesis. Cytokinesis in animal cells is driven by the formation of a ring in the middle of the dividing cell. The ring is composed of myosin motor proteins and filaments made of a protein called actin. The movements of the motor proteins along the filaments cause the ring to contract and tighten. This pulls the cell membrane inward and physically pinches the cell into two. For a long time, the mechanism of cytokinesis was assumed to be same across different types of animal cell, but later evidence suggested otherwise. For example, in liver, heat and bone cells, cytokinesis naturally fails during development to create cells with two or more nuclei. If a similar ‘failure’ happened in other cell types, it could lead to diseases such as cancers or blood disorders. This raised the question: what are the molecular mechanisms that allow cytokinesis to happen differently in different cell types? Davies et al. investigated this question using embryos of the worm Caenorhabditis elegans at a stage in their development when they consist of just four cells. The proteins forming the contractile ring in this worm are the same as those in humans. However, in the worm, the contractile ring can easily be damaged using chemical inhibitors or by mutating the genes that encode its proteins. Davies et al. show that when the contractile ring was damaged, two of the four cells in the worm embryo still divided successfully. This result indicates the existence of new mechanisms to divide the cytoplasm that allow division even with a weak contractile ring. In a further experiment, the embryos were dissected to isolate each of the four cells. Davies et al. saw that one of the two dividing cells could still divide on its own, while the other cell could not. This shows that this new method of cytokinesis is regulated both by factors inherent to the dividing cell and by external signals from other cells. Moreover, one of these extrinsic signals was found to be a signaling protein that had previously been implicated in human cancers. Future work will determine if these variations in cytokinesis between the different cell types found in the worm apply to humans too; and, more importantly from a therapeutic standpoint, if these new mechanisms exist in human cancers.
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Affiliation(s)
- Tim Davies
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, United States
| | - Han X Kim
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, United States.,Department of Genetics and Development, Columbia University Medical Center, New York, United States
| | - Natalia Romano Spica
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, United States
| | - Benjamin J Lesea-Pringle
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, United States
| | - Julien Dumont
- Institut Jacques Monod, CNRS UMR 7592, Université Paris Diderot, Paris, France
| | - Mimi Shirasu-Hiza
- Department of Genetics and Development, Columbia University Medical Center, New York, United States
| | - Julie C Canman
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, United States
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Reguera-Nuñez E, Man S, Xu P, Kerbel RS. Preclinical impact of high dose intermittent antiangiogenic tyrosine kinase inhibitor pazopanib in intrinsically resistant tumor models. Angiogenesis 2018; 21:793-804. [PMID: 29786782 DOI: 10.1007/s10456-018-9623-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 05/09/2018] [Indexed: 12/16/2022]
Abstract
Antiangiogenic tyrosine kinase inhibitors (TKIs) target vascular endothelial growth factor receptors and other receptor tyrosine kinases. As a result of toxicity, the clinical failures or the modest benefits associated with antiangiogenic TKI therapy may be related in some cases to suboptimal drug dosing and scheduling, thereby facilitating resistance. Most antiangiogenic TKIs, including pazopanib, are administered on a continuous daily basis. Here, instead, we evaluated the impact of increasing the dose and administering the drug intermittently. The rationale is that using such protocols, antitumor efficacy could be enhanced by direct tumor cell targeting effects in addition to inhibiting tumor angiogenesis. To test this, we employed two human tumor xenograft models, both of which manifest intrinsic resistance to pazopanib when it is administered continuously: the VHL-wildtype SN12-PM6-1 renal cell carcinoma (RCC) and the metastatic MDA-MB-231/LM2-4 variant breast cancer cell line, when treated as distant metastases. We evaluated four different doses and schedules of pazopanib in the context of primary tumors and advanced metastatic disease, in both models. The RCC model was not converted to drug sensitivity using the intermittent protocol. Using these protocols did not enhance the efficacy when treating primary LM2-4 tumors. However, one of the high-dose intermittent pazopanib protocols increased median survival when treating advanced metastatic disease. In conclusion, these results overall suggest that primary tumors showing sensitivity to continuous pazopanib treatment may predict response to this drug when given at high doses intermittently in the context of advanced metastatic disease, that are otherwise resistant to the conventional protocol.
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Affiliation(s)
- Elaine Reguera-Nuñez
- Department of Medical Biophysics, University of Toronto, Toronto, ON, M5S 2J7, Canada
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, M4N 3M5, Canada
| | - Shan Man
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, M4N 3M5, Canada
| | - Ping Xu
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, M4N 3M5, Canada
| | - Robert S Kerbel
- Department of Medical Biophysics, University of Toronto, Toronto, ON, M5S 2J7, Canada.
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, ON, M4N 3M5, Canada.
- Biological Sciences Platform, Sunnybrook Research Institute, 2075 Bayview Ave, Room S-217, Toronto, ON, M4N 3M5, Canada.
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Hellec C, Delos M, Carpentier M, Denys A, Allain F. The heparan sulfate 3-O-sulfotransferases (HS3ST) 2, 3B and 4 enhance proliferation and survival in breast cancer MDA-MB-231 cells. PLoS One 2018; 13:e0194676. [PMID: 29547633 PMCID: PMC5856405 DOI: 10.1371/journal.pone.0194676] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 03/07/2018] [Indexed: 01/03/2023] Open
Abstract
Heparan sulfate 3-O-sulfotransferases (HS3STs) catalyze the final maturation step of heparan sulfates. Although seven HS3ST isozymes have been described in human, 3-O-sulfation is a relatively rare modification, and only a few biological processes have been described to be influenced by 3-O-sulfated motifs. A conflicting literature has recently reported that HS3ST2, 3A, 3B and 4 may exhibit either tumor-promoting or anti-oncogenic properties, depending on the model used and cancer cell phenotype. Hence, we decided to compare the consequences of the overexpression of each of these HS3STs in the same cellular model. We demonstrated that, unlike HS3ST3A, the other three isozymes enhanced the proliferation of breast cancer MDA-MB-231 and BT-20 cells. Moreover, the colony forming capacity of MDA-MB-231 cells was markedly increased by the expression of HS3ST2, 3B and 4. No notable difference was observed between the three isozymes, meaning that the modifications catalyzed by each HS3ST had the same functional impact on cell behavior. We then demonstrated that overexpression of HS3ST2, 3B and 4 was accompanied by increased activation of c-Src, Akt and NF-κB and up-regulation of the anti-apoptotic proteins survivin and XIAP. In line with these findings, we showed that HS3ST-transfected cells are more resistant to cell death induction by pro-apoptotic stimuli or NK cells. Altogether, our findings demonstrate that HS3ST2, 3B and 4 share the same pro-tumoral activity and support the idea that these HS3STs could compensate each other for loss of their expression depending on the molecular signature of cancer cells and/or changes in the tumor environment.
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Affiliation(s)
- Charles Hellec
- University of Lille, CNRS, UMR 8576—UGSF—Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Maxime Delos
- University of Lille, CNRS, UMR 8576—UGSF—Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Mathieu Carpentier
- University of Lille, CNRS, UMR 8576—UGSF—Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Agnès Denys
- University of Lille, CNRS, UMR 8576—UGSF—Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Fabrice Allain
- University of Lille, CNRS, UMR 8576—UGSF—Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
- * E-mail:
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29
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Liu R, Yang YN, Yi L, Qing J, Li QY, Wang WS, Wang J, Tang YX, Tan H. Diallyl disulfide effect on the invasion and migration ability of HL-60 cells with a high expression of DJ-1 in the nucleus through the suppression of the Src signaling pathway. Oncol Lett 2018; 15:6377-6385. [PMID: 29725397 PMCID: PMC5920463 DOI: 10.3892/ol.2018.8139] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 01/04/2018] [Indexed: 12/18/2022] Open
Abstract
The present study examined the effect of diallyl disulfide (DADS) on the invasion and migration ability of HL-60 cells with a high expression of parkinsonism associated deglycase (DJ-1) in the nucleus (HHDN), and its molecular mechanism. A western blot assay was used to measure the effects of DADS and an Src inhibitor on the expression of DJ-1 and the Src signal pathway in HHDN. The effects of DADS and Src inhibitors on the invasion and migration ability of HHDN was detected using Transwell migration and invasion chamber experiments. The experiments were divided into three groups: A control group (HL-60 cells), an empty vector group and a high expression group (HHDN cells). Western blot assays revealed that the expression of DJ-1 in HHDN was inhibited in a time-dependent manner following treatment with DADS for 24, 48 and 72 h. Following DADS treatment, the expression of phosphorylated Src (p-Src) and phosphorylated Fak (p-Fak) were significantly decreased in all groups compared with the untreated groups, however the expression level of Src, Fak and integrin did not change significantly. Western blot analysis results revealed that following treatment with DADS and Src inhibitor, the expression levels of p-Src and p-Fak significantly decreased in all three groups compared with untreated groups, whereas the expression levels of Src, Fak and integrin did not change significantly. The expression of DJ-1 in HHND was inhibited in time-dependent manner following treatment with DADS and Src inhibitor for 24, 48 and 72 h. Transwell migration and invasion assay results revealed that DADS and Src inhibitors may suppress migration and invasion in leukemic cells, and a combination of the two treatments may result in more efficient suppression. DADS may downregulate DJ-1-mediated invasion and migration in leukemic cells through suppressing the Src-Fak-Integrin signaling pathway, and the Src inhibitor may enhance the antitumor effect of DADS.
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Affiliation(s)
- Ran Liu
- Cancer Research Institute, Key Laboratory of Tumor Cellular and Molecular Pathology, College of Hunan Province, University of South China, Hunan 421001, P.R. China.,Department of Pathology, The First Hospital of Changsha, Changsha, Hunan 410005, P.R. China
| | - Ye-Ning Yang
- Department of Pathology, The First People's Hospital of Youxian, Youxian, Hunan 412300, P.R. China
| | - Lan Yi
- Cancer Research Institute, Key Laboratory of Tumor Cellular and Molecular Pathology, College of Hunan Province, University of South China, Hunan 421001, P.R. China
| | - Jing Qing
- Cancer Research Institute, Key Laboratory of Tumor Cellular and Molecular Pathology, College of Hunan Province, University of South China, Hunan 421001, P.R. China
| | - Qing-Ye Li
- Cancer Research Institute, Key Laboratory of Tumor Cellular and Molecular Pathology, College of Hunan Province, University of South China, Hunan 421001, P.R. China
| | - Wen-Song Wang
- Cancer Research Institute, Key Laboratory of Tumor Cellular and Molecular Pathology, College of Hunan Province, University of South China, Hunan 421001, P.R. China
| | - Juan Wang
- Cancer Research Institute, Key Laboratory of Tumor Cellular and Molecular Pathology, College of Hunan Province, University of South China, Hunan 421001, P.R. China
| | - Yu-Xian Tang
- Cancer Research Institute, Key Laboratory of Tumor Cellular and Molecular Pathology, College of Hunan Province, University of South China, Hunan 421001, P.R. China
| | - Hui Tan
- Cancer Research Institute, Key Laboratory of Tumor Cellular and Molecular Pathology, College of Hunan Province, University of South China, Hunan 421001, P.R. China
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30
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Perez M, Lucena-Cacace A, Marín-Gómez LM, Padillo-Ruiz J, Robles-Frias MJ, Saez C, Garcia-Carbonero R, Carnero A. Dasatinib, a Src inhibitor, sensitizes liver metastatic colorectal carcinoma to oxaliplatin in tumors with high levels of phospho-Src. Oncotarget 2018; 7:33111-24. [PMID: 27105527 PMCID: PMC5078079 DOI: 10.18632/oncotarget.8880] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 03/31/2016] [Indexed: 01/26/2023] Open
Abstract
Despite the development of new antineoplastic agents for the treatment of colorectal cancer (CRC), oxaliplatin and fluoropyrimidines remain the most commonly employed drugs for the treatment of both early and advanced disease. Intrinsic or acquired resistance is, however, an important limitation to pharmacological therapy, and the development of chemosensitization strategies constitute a major goal with important clinical implications. In the present work, we determined that high levels of activated Src kinase, measured as phospho-Src at the Tyr419 residue in CRC cell lines, can promote colorectal carcinoma cell resistance to oxaliplatin, but not to 5-fluorouracil (5FU), and that inhibition of this protein restores sensitivity to oxaliplatin. Similar results were observed with in vivo patient-derived xenograft (PDX) models that were orthotopically grown in murine livers. In PDX tumor lines derived from human CRC liver metastasis, dasatinib, a Src inhibitor, increases sensitivity to oxaliplatin only in tumors with high p-Src. However, dasatinib did not modify sensitivity to 5FU in any of the models. Our data suggest that chemoresistance induced by p-Src is specific to oxaliplatin, and that p-Src levels can be used to identify patients who may benefit from this combination therapy. These results are relevant for clinicians as they identify a novel biomarker of drug resistance that is suitable to pharmacological manipulation.
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Affiliation(s)
- Marco Perez
- Instituto de Biomedicina de Sevilla, IBIS/Hospital Universitario Virgen del Rocío/ Universidad de Sevilla/Consejo Superior de Investigaciones Científicas, Seville, Spain
| | - Antonio Lucena-Cacace
- Instituto de Biomedicina de Sevilla, IBIS/Hospital Universitario Virgen del Rocío/ Universidad de Sevilla/Consejo Superior de Investigaciones Científicas, Seville, Spain
| | - Luis Miguel Marín-Gómez
- Instituto de Biomedicina de Sevilla, IBIS/Hospital Universitario Virgen del Rocío/ Universidad de Sevilla/Consejo Superior de Investigaciones Científicas, Seville, Spain.,Department of General Surgery, Virgen del Rocío University Hospital, Seville, Spain
| | - Javier Padillo-Ruiz
- Instituto de Biomedicina de Sevilla, IBIS/Hospital Universitario Virgen del Rocío/ Universidad de Sevilla/Consejo Superior de Investigaciones Científicas, Seville, Spain.,Department of General Surgery, Virgen del Rocío University Hospital, Seville, Spain
| | - Maria Jose Robles-Frias
- Department of Pathology, Virgen del Rocío University Hospital, Seville, Spain.,Present address: HUVR-IBiS Biobank, Virgen del Rocío University Hospital, Seville, Spain
| | - Carmen Saez
- Instituto de Biomedicina de Sevilla, IBIS/Hospital Universitario Virgen del Rocío/ Universidad de Sevilla/Consejo Superior de Investigaciones Científicas, Seville, Spain.,Department of Pathology, Virgen del Rocío University Hospital, Seville, Spain
| | - Rocio Garcia-Carbonero
- Department of Medical Oncology, Virgen del Rocío University Hospital, Seville, Spain.,Present address: Department of Medical Oncology, 12 of October University Hospital, Madrid, Spain
| | - Amancio Carnero
- Instituto de Biomedicina de Sevilla, IBIS/Hospital Universitario Virgen del Rocío/ Universidad de Sevilla/Consejo Superior de Investigaciones Científicas, Seville, Spain
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31
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Mayoral-Varo V, Calcabrini A, Sánchez-Bailón MP, Martín-Pérez J. miR205 inhibits stem cell renewal in SUM159PT breast cancer cells. PLoS One 2017; 12:e0188637. [PMID: 29182685 PMCID: PMC5705145 DOI: 10.1371/journal.pone.0188637] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 11/11/2017] [Indexed: 12/14/2022] Open
Abstract
miR205 has a dual activity, as tumor suppressor and as oncogene. Here we analyzed the impact of miR205 ectopic expression in the initial tumorigenic processes of SUM159PT, a triple negative breast cancer cell line with low endogenous levels of miR205. In SUM159PT, miR205 inhibited expression of its targets VEGFA, ErbB3, Zeb1, Fyn and Lyn A/B; it reduced cell proliferation, and Myc/cyclin D1 levels, while increased p27kip1 expression. miR205 abolished anchorage-independent growth, inhibited migration and invasion, Src-kinases/Stat3 axis activation, and levels of secreted MMP9. miR205 also reduced expression of CD44 and TAZ, E2A.E12, Twist, Snail1 and CK5, associated with epithelial-mesenchymal transition (EMT). Importantly, we show that miR205 inhibited SUM159PT cancer-stem cell renewal, expression in mammospheres of CD44 and ALDH1 stem-cell markers, TAZ, and E2A.E12. All these effects of miR205 were reverted by Anti-miR205 co-expression, demonstrating its specificity. Thus, all these results strongly suggest that ectopic expression of miR205 in SUM159PT affected several parameters associated with initial steps of tumorigenesis.
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Affiliation(s)
- Víctor Mayoral-Varo
- Department of Cancer Biology, Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), 4 Arturo Duperier, Madrid, Spain
| | - Annarica Calcabrini
- Department of Cancer Biology, Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), 4 Arturo Duperier, Madrid, Spain
| | - María Pilar Sánchez-Bailón
- Department of Cancer Biology, Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), 4 Arturo Duperier, Madrid, Spain
| | - Jorge Martín-Pérez
- Department of Cancer Biology, Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), 4 Arturo Duperier, Madrid, Spain
- * E-mail:
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32
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Reduced expression of the murine HLA-G homolog Qa-2 is associated with malignancy, epithelial-mesenchymal transition and stemness in breast cancer cells. Sci Rep 2017; 7:6276. [PMID: 28740236 PMCID: PMC5524840 DOI: 10.1038/s41598-017-06528-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 06/14/2017] [Indexed: 01/06/2023] Open
Abstract
Qa-2 is believed to mediate a protective immune response against cancer; however, little is known about the role of Qa-2 in tumorigenesis. Here, we used 4T1 breast cancer cells to study the involvement of Qa-2 in tumor progression in a syngeneic host. Qa-2 expression was reduced during in vivo tumor growth and in cell lines derived from 4T1-induced tumors. Tumor-derived cells elicited an epithelial-mesenchymal transition associated with upregulation of Zeb1 and Twist1/2 and enhanced tumor initiating and invasive capacities. Furthermore, these cells showed increased stem characteristics, as demonstrated by upregulation of Hes1, Sox2 and Oct3/4, and enrichment of CD44high/CD24median/low cells. Remarkably, Qa-2 cell-surface expression was excluded from the CD44high/CD24median/low subpopulation. Tumor-derived cells showed increased Src activity, and treatment of these cells with the Src kinase inhibitor PP2 enhanced Qa-2 but reduced Sox2 and CD44high/CD24median/low expression levels, suggesting that Src signaling, while positively associated with stemness, negatively regulates Qa-2 expression in breast cancer. Finally, overexpression of the Qa-2 family member Q7 on the cell surface slowed down in vivo tumor growth and reduced the metastatic potential of 4T1 cells. These results suggest an anti-malignant role for Qa-2 in breast cancer development, which appears to be absent from cancer stem cells.
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33
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Antiangiogenic activity of vitexicarpine in experimentally induced hepatocellular carcinoma: Impact on vascular endothelial growth factor pathway. Tumour Biol 2017. [DOI: 10.1177/1010428317707376] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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34
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Zhang M, Ma F, Xie R, Wu Y, Wu M, Zhang P, Peng Y, Zhao J, Xiong J, Li A, Kequan C, Zhang Y, Liu S, Wang J, Chen X. Overexpression of Srcin1 contributes to the growth and metastasis of colorectal cancer. Int J Oncol 2017; 50:1555-1566. [PMID: 28393242 PMCID: PMC5403293 DOI: 10.3892/ijo.2017.3952] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 03/13/2017] [Indexed: 11/10/2022] Open
Abstract
The adaptor protein Srcin1 is a novel Src-binding protein that regulates Src activation through C-terminal Src kinase (Csk). Srcin1 behaves as a tumour suppressor in breast cancer, but the role of Srcin1 in the development of colorectal cancer (CRC) remains unknown. In the present study, Srcin1 expression in normal tissue was examined by tissue microarray and assessed by immunohistochemistry in 10 patients. In addition, the biological impact of Srcin1 knockdown on CRC cells was investigated in vitro and in vivo. The results showed that Srcin1 was expressed in different types of normal human tissues, whereas its expression was increased in human CRC tissues. Srcin1 expression also correlated with tumour progression. The suppression of Srcin1 induced cell differentiation and G0/G1 cell cycle arrest. Furthermore, Srcin1 increased cell growth as well as the capacity of migration and invasion in CRC cells. Srcin1 induced the activation of the Wnt/β-catenin signalling pathway. Moreover, Srcin1 suppression sensitized cancer cells to 5-fluorouracil (5-FU)-induced apoptosis in vitro and in vivo. Together, these results demonstrate that Srcin1 contributes to CRC carcinogenesis, invasion and metastasis. These findings provide a rationale for a mechanistic approach to CRC treatment based on the development of Srcin1-targeted therapies.
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Affiliation(s)
- Mengnan Zhang
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Feng Ma
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Ruyi Xie
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Yao Wu
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Meiyan Wu
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Pei Zhang
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Ying Peng
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Jinjun Zhao
- Department of Rheumatism, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Jing Xiong
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Aimin Li
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Cheng Kequan
- Department of Gastroenterology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Yali Zhang
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Side Liu
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Jide Wang
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Xueqing Chen
- Department of Gastroenterology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
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Dasatinib inhibits c-src phosphorylation and prevents the proliferation of Triple-Negative Breast Cancer (TNBC) cells which overexpress Syndecan-Binding Protein (SDCBP). PLoS One 2017; 12:e0171169. [PMID: 28141839 PMCID: PMC5283743 DOI: 10.1371/journal.pone.0171169] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 01/16/2017] [Indexed: 12/31/2022] Open
Abstract
Triple negative breast cancer (TNBC) progresses rapidly but lacks effective targeted therapies. Our previous study showed that downregulating syndecan-binding protein (SDCBP) in TNBC inhibits the proliferation of TNBC cells. Dasatinib is a new small-molecule inhibitor of c-src phosphorylation. The aim of this study was to investigate if SDCBP is a potential marker to indicate whether a TNBC is suitable for dasatinib therapy. This study applied co-immunoprecipitation to identify the interaction between SDCBP and c-src in TNBC cell lines. In addition, immunohistochemistry was used to investigate SDCBP and tyrosine-419 phosphorylated c-src (p-c-src-Y419) expression in TNBC tissues. SDCBP-overexpressing MDA-MB-231 cells were then constructed to evaluate the effects of dasatinib on SDCBP-induced TNBC progression in vitro and tumor formation in nude mice. We found wild-type SDCBP interacted with c-src and promoted the phosphorylation of c-src; this phosphorylation was completely blocked by dasatinib. SDCBP lacking the PDZ domain had no such effect. Among the 52 consecutive random TNBC cases examined, the expression of SDCBP was consistent with that of p-c-src-Y419, and positively correlated with histological grading or Ki-67 levels. SDCBP overexpression significantly accelerated the proliferation and cell cycle progression of the TNBC cell line MDA-MB-231; these effects were prevented by dasatinib treatment. However, the subsequent inhibition of p27 expression partially restored the proliferation and viability of the TNBC cells. The results of this study suggest that SDCBP interacts with c-src, regulates G1/S in TNBC cells, and enhances tumor cell proliferation by promoting the tyrosine phosphorylation of c-src at residue 419. Dasatinib inhibits such phosphorylation and blocks SDCBP-induced cell cycle progression. Therefore, SDCBP might be an important marker for identifying TNBC cases that are suitable for dasatinib therapy.
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36
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Espada J, Martín-Pérez J. An Update on Src Family of Nonreceptor Tyrosine Kinases Biology. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2017; 331:83-122. [DOI: 10.1016/bs.ircmb.2016.09.009] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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37
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Zhang CH, Chen K, Jiao Y, Li LL, Li YP, Zhang RJ, Zheng MW, Zhong L, Huang SZ, Song CL, Lin WT, Yang J, Xiang R, Peng B, Han JH, Lu GW, Wei YQ, Yang SY. From Lead to Drug Candidate: Optimization of 3-(Phenylethynyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine Derivatives as Agents for the Treatment of Triple Negative Breast Cancer. J Med Chem 2016; 59:9788-9805. [PMID: 27739679 DOI: 10.1021/acs.jmedchem.6b00943] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Herein we report the sophisticated process of structural optimization toward a previously disclosed Src inhibitor, compound 1, which showed high potency in the treatment of triple negative breast cancer (TNBC) both in vitro and in vivo but had considerable toxicity. A series of 3-(phenylethynyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine derivatives were synthesized. In vitro cell-based phenotypic screening together with in vivo assays and structure-activity relationship (SAR) studies finally led to the discovery of N-(3-((4-amino-1-(trans-4-hydroxycyclohexyl)-1H-pyrazolo[3,4-d]pyrimidin-3-yl)ethynyl)-4-methylphenyl)-4-methyl-3-(trifluoromethyl)benzamide (13an). 13an is a multikinase inhibitor, which potently inhibited Src (IC50 = 0.003 μM), KDR (IC50 = 0.032 μM), and several kinases involved in the MAPK signal transduction. This compound showed potent anti-TNBC activities both in vitro and in vivo, and good pharmacokinetic properties and low toxicity. Mechanisms of action of anti-TNBC were also investigated. Collectively, the data obtained in this study indicate that 13an could be a promising drug candidate for the treatment of TNBC and hence merits further studies.
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Affiliation(s)
- Chun-Hui Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Kai Chen
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Yan Jiao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Lin-Li Li
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education, West China School of Pharmacy, Sichuan University , Chengdu, Sichuan 610041, China
| | - Ya-Ping Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Rong-Jie Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Ming-Wu Zheng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Lei Zhong
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Shen-Zhen Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Chun-Li Song
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education, West China School of Pharmacy, Sichuan University , Chengdu, Sichuan 610041, China
| | - Wan-Ting Lin
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Jiao Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Rong Xiang
- Department of Clinical Medicine, School of Medicine, Nankai University , Tianjin 300071, China
| | - Bing Peng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Jun-Hong Han
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Guang-Wen Lu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Yu-Quan Wei
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
| | - Sheng-Yong Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University , Sichuan 610041, China
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38
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Aleem S, Georghiou G, Kleiner RE, Guja K, Craddock BP, Lyczek A, Chan AI, Garcia-Diaz M, Miller WT, Liu DR, Seeliger MA. Structural and Biochemical Basis for Intracellular Kinase Inhibition by Src-specific Peptidic Macrocycles. Cell Chem Biol 2016; 23:1103-1112. [PMID: 27593110 DOI: 10.1016/j.chembiol.2016.07.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 07/04/2016] [Accepted: 07/14/2016] [Indexed: 12/12/2022]
Abstract
Protein kinases are attractive therapeutic targets because their dysregulation underlies many diseases, including cancer. The high conservation of the kinase domain and the evolution of drug resistance, however, pose major challenges to the development of specific kinase inhibitors. We recently discovered selective Src kinase inhibitors from a DNA-templated macrocycle library. Here, we reveal the structural basis for how these inhibitors retain activity against a disease-relevant, drug-resistant kinase mutant, while maintaining Src specificity. We find that these macrocycles display a degree of modularity: two of their three variable groups interact with sites on the kinase that confer selectivity, while the third group interacts with the universally conserved catalytic lysine and thereby retains the ability to inhibit the "gatekeeper" kinase mutant. We also show that these macrocycles inhibit migration of MDA-MB-231 breast tumor cells. Our findings establish intracellular kinase inhibition by peptidic macrocycles, and inform the development of potent and specific kinase inhibitors.
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Affiliation(s)
- Saadat Aleem
- Dept. of Physiology and Biophysics, Stony Brook University, Stony Brook, NY 11794-8661, USA
| | - George Georghiou
- Dept. of Pharmacological Sciences, Stony Brook University, Stony Brook, NY 11794-8651, USA
| | - Ralph E Kleiner
- Dept. of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA.,Howard Hughes Medical Institute, Harvard University, Cambridge, MA 02138, USA
| | - Kip Guja
- Dept. of Pharmacological Sciences, Stony Brook University, Stony Brook, NY 11794-8651, USA
| | - Barbara P Craddock
- Dept. of Physiology and Biophysics, Stony Brook University, Stony Brook, NY 11794-8661, USA
| | - Agatha Lyczek
- Dept. of Pharmacological Sciences, Stony Brook University, Stony Brook, NY 11794-8651, USA
| | - Alix I Chan
- Dept. of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA.,Howard Hughes Medical Institute, Harvard University, Cambridge, MA 02138, USA
| | - Miguel Garcia-Diaz
- Dept. of Pharmacological Sciences, Stony Brook University, Stony Brook, NY 11794-8651, USA
| | - W Todd Miller
- Dept. of Physiology and Biophysics, Stony Brook University, Stony Brook, NY 11794-8661, USA
| | - David R Liu
- Dept. of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA.,Howard Hughes Medical Institute, Harvard University, Cambridge, MA 02138, USA
| | - Markus A Seeliger
- Dept. of Pharmacological Sciences, Stony Brook University, Stony Brook, NY 11794-8651, USA
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39
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Qi Y, Dai Y, Gui S. Protein tyrosine phosphatase PTPRB regulates Src phosphorylation and tumour progression in NSCLC. Clin Exp Pharmacol Physiol 2016; 43:1004-12. [PMID: 27314562 DOI: 10.1111/1440-1681.12610] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 06/14/2016] [Accepted: 06/15/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Yinliang Qi
- Department of Respiratory Disease; Anhui Medical University; Hefei Anhui China
- General Department of Hyperbaric Oxygen; The Second People's Hospital of Hefei; Hefei Anhui China
| | - Yuanchang Dai
- General Department of Hyperbaric Oxygen; The Second People's Hospital of Hefei; Hefei Anhui China
| | - Shuyu Gui
- Department of Respiratory Disease; Anhui Medical University; Hefei Anhui China
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40
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Tanasic S, Mattusch C, Wagner EM, Eder M, Rupprecht R, Rammes G, Di Benedetto B. Desipramine targets astrocytes to attenuate synaptic plasticity via modulation of the ephrinA3/EphA4 signalling. Neuropharmacology 2016; 105:154-163. [DOI: 10.1016/j.neuropharm.2016.01.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Revised: 01/11/2016] [Accepted: 01/14/2016] [Indexed: 10/22/2022]
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41
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Gilani RA, Phadke S, Bao LW, Lachacz EJ, Dziubinski ML, Brandvold KR, Steffey ME, Kwarcinski FE, Graveel CR, Kidwell KM, Merajver SD, Soellner MB. UM-164: A Potent c-Src/p38 Kinase Inhibitor with In Vivo Activity against Triple-Negative Breast Cancer. Clin Cancer Res 2016; 22:5087-5096. [DOI: 10.1158/1078-0432.ccr-15-2158] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 04/16/2016] [Indexed: 11/16/2022]
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42
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Sánchez-Bailón MP, Calcabrini A, Mayoral-Varo V, Molinari A, Wagner KU, Losada JP, Ciordia S, Albar JP, Martín-Pérez J. Cyr61 as mediator of Src signaling in triple negative breast cancer cells. Oncotarget 2016; 6:13520-38. [PMID: 25980494 PMCID: PMC4537031 DOI: 10.18632/oncotarget.3760] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Accepted: 04/08/2015] [Indexed: 12/30/2022] Open
Abstract
SFKs are involved in tumorigenesis and metastasis. Here we analyzed c-Src contribution to initial steps of metastasis by tetracycline-dependent expression of a specific shRNA-c-Src, which suppressed c-Src mRNA and protein levels in metastatic MDA-MB-231 cells. c-Src suppression did not alter cell proliferation or survival, but it significantly reduced anchorage-independent growth. Concomitantly with diminished tyrosine-phosphorylation/activation of Fak, caveolin-1, paxillin and p130CAS, c-Src depletion also inhibited cellular migration, invasion and transendothelial migration. Quantitative proteomic analyses of the secretome showed that Cyr61 levels, which were detected in the exosomal fraction, were diminished upon shRNA-c-Src expression. In contrast, Cyr61 expression was unaltered inside cells. Cyr61 partially colocalized with cis-Golgi gp74 marker and with exosomal marker CD63, but c-Src depletion did not alter their cellular distribution. In SUM159PT cells, transient c-Src suppression also reduced secreted exosomal Cyr61 levels. Furthermore, conditional expression of a c-Src dominant negative mutant (SrcDN, c-Src-K295M/Y527F) in MDA-MB-231 and in SUM159PT diminished secreted Cyr61 as well. Cyr61 transient suppression in MDA-MB-231 inhibited invasion and transendothelial migration. Finally, in both MDA-MB-231 and SUM159PT, a neutralizing Cyr61 antibody restrained migration. Collectively, these results suggest that c-Src regulates secreted proteins, including the exosomal Cyr61, which are involved in modulating the metastatic potential of triple negative breast cancer cells.
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Affiliation(s)
- María Pilar Sánchez-Bailón
- Departamento de Biología del Cáncer, Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), Madrid 28029, Spain
| | - Annarica Calcabrini
- Departamento de Biología del Cáncer, Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), Madrid 28029, Spain.,Dipartimento Tecnologie e Salute, Istituto Superiore di Sanità, Roma 00161, Italy
| | - Víctor Mayoral-Varo
- Departamento de Biología del Cáncer, Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), Madrid 28029, Spain
| | - Agnese Molinari
- Dipartimento Tecnologie e Salute, Istituto Superiore di Sanità, Roma 00161, Italy
| | - Kay-Uwe Wagner
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198-6805, USA
| | - Jesús Pérez Losada
- Centro de Investigación del Cáncer (CSIC/USAL), Campus Unamuno, Salamanca 37007, Spain
| | - Sergio Ciordia
- Servicio de Proteómica, Centro Nacional de Biotecnología (CSIC), Madrid 28049, Spain
| | - Juan Pablo Albar
- Servicio de Proteómica, Centro Nacional de Biotecnología (CSIC), Madrid 28049, Spain
| | - Jorge Martín-Pérez
- Departamento de Biología del Cáncer, Instituto de Investigaciones Biomédicas A. Sols (CSIC/UAM), Madrid 28029, Spain
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43
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Horton ER, Humphries JD, Stutchbury B, Jacquemet G, Ballestrem C, Barry ST, Humphries MJ. Modulation of FAK and Src adhesion signaling occurs independently of adhesion complex composition. J Cell Biol 2016; 212:349-64. [PMID: 26833789 PMCID: PMC4739608 DOI: 10.1083/jcb.201508080] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 01/06/2016] [Indexed: 01/15/2023] Open
Abstract
Integrin adhesion complexes (IACs) form mechanochemical connections between the extracellular matrix and actin cytoskeleton and mediate phenotypic responses via posttranslational modifications. Here, we investigate the modularity and robustness of the IAC network to pharmacological perturbation of the key IAC signaling components focal adhesion kinase (FAK) and Src. FAK inhibition using AZ13256675 blocked FAK(Y397) phosphorylation but did not alter IAC composition, as reported by mass spectrometry. IAC composition was also insensitive to Src inhibition using AZD0530 alone or in combination with FAK inhibition. In contrast, kinase inhibition substantially reduced phosphorylation within IACs, cell migration and proliferation. Furthermore using fluorescence recovery after photobleaching, we found that FAK inhibition increased the exchange rate of a phosphotyrosine (pY) reporter (dSH2) at IACs. These data demonstrate that kinase-dependent signal propagation through IACs is independent of gross changes in IAC composition. Together, these findings demonstrate a general separation between the composition of IACs and their ability to relay pY-dependent signals.
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Affiliation(s)
- Edward R Horton
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, Manchester M13 9PT, England, UK
| | - Jonathan D Humphries
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, Manchester M13 9PT, England, UK
| | - Ben Stutchbury
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, Manchester M13 9PT, England, UK
| | - Guillaume Jacquemet
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, Manchester M13 9PT, England, UK
| | - Christoph Ballestrem
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, Manchester M13 9PT, England, UK
| | - Simon T Barry
- Oncology iMed, AstraZeneca, Cheshire SK10 4TG, England, UK
| | - Martin J Humphries
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, Manchester M13 9PT, England, UK
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44
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Nuche-Berenguer B, Moreno P, Jensen RT. Elucidation of the roles of the Src kinases in pancreatic acinar cell signaling. J Cell Biochem 2016; 116:22-36. [PMID: 25079913 DOI: 10.1002/jcb.24895] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2014] [Accepted: 07/25/2014] [Indexed: 12/13/2022]
Abstract
Recent studies report the Src-family kinases (SFK's) are important in a number of physiological and pathophysiological responses of pancreatic acinar cells (pancreatitis, growth, apoptosis); however, the role of SFKs in various signaling cascades important in mediating these cell functions is either not investigated or unclear. To address this we investigated the action of SFKs in these signaling cascades in rat pancreatic acini by modulating SFK activity using three methods: adenovirus-induced expression of an inactive dominant-negative CSK (Dn-CSK-Advirus) or wild-type CSK (Wt-CSK-Advirus), which activate or inhibit SFK, respectively, or using the chemical inhibitor, PP2, with its inactive control, PP3. CCK (0.3, 100 nM) and TPA (1 μM) activated SFK and altered the activation of FAK proteins (PYK2, p125(FAK)), adaptor proteins (p130(CAS), paxillin), MAPK (p42/44, JNK, p38), Shc, PKC (PKD, MARCKS), Akt but not GSK3-β. Changes in SFK activity by using the three methods of altering SFK activity affected CCK/TPAs activation of SFK, PYK2, p125(FAK), p130(CAS), Shc, paxillin, Akt but not p42/44, JNK, p38, PKC (PKD, MARCKS) or GSK3-β. With chemical inhibition the active SFK inhibitor, PP2, but not the inactive control analogue, PP3, showed these effects. For all stimulated changes pre-incubation with both adenoviruses showed similar effects to chemical inhibition of SFK activity. In conclusion, using three different approaches to altering Src activity allowed us to define fully for the first time the roles of SFKs in acinar cell signaling. Our results show that in pancreatic acinar cells, SFKs play a much wider role than previously reported in activating a number of important cellular signaling cascades shown to be important in mediating both acinar cell physiological and pathophysiological responses.
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Affiliation(s)
- Bernardo Nuche-Berenguer
- Digestive Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, 20892-1804
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45
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Milioli HH, Vimieiro R, Riveros C, Tishchenko I, Berretta R, Moscato P. The Discovery of Novel Biomarkers Improves Breast Cancer Intrinsic Subtype Prediction and Reconciles the Labels in the METABRIC Data Set. PLoS One 2015; 10:e0129711. [PMID: 26132585 PMCID: PMC4488510 DOI: 10.1371/journal.pone.0129711] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Accepted: 05/12/2015] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The prediction of breast cancer intrinsic subtypes has been introduced as a valuable strategy to determine patient diagnosis and prognosis, and therapy response. The PAM50 method, based on the expression levels of 50 genes, uses a single sample predictor model to assign subtype labels to samples. Intrinsic errors reported within this assay demonstrate the challenge of identifying and understanding the breast cancer groups. In this study, we aim to: a) identify novel biomarkers for subtype individuation by exploring the competence of a newly proposed method named CM1 score, and b) apply an ensemble learning, as opposed to the use of a single classifier, for sample subtype assignment. The overarching objective is to improve class prediction. METHODS AND FINDINGS The microarray transcriptome data sets used in this study are: the METABRIC breast cancer data recorded for over 2000 patients, and the public integrated source from ROCK database with 1570 samples. We first computed the CM1 score to identify the probes with highly discriminative patterns of expression across samples of each intrinsic subtype. We further assessed the ability of 42 selected probes on assigning correct subtype labels using 24 different classifiers from the Weka software suite. For comparison, the same method was applied on the list of 50 genes from the PAM50 method. CONCLUSIONS The CM1 score portrayed 30 novel biomarkers for predicting breast cancer subtypes, with the confirmation of the role of 12 well-established genes. Intrinsic subtypes assigned using the CM1 list and the ensemble of classifiers are more consistent and homogeneous than the original PAM50 labels. The new subtypes show accurate distributions of current clinical markers ER, PR and HER2, and survival curves in the METABRIC and ROCK data sets. Remarkably, the paradoxical attribution of the original labels reinforces the limitations of employing a single sample classifiers to predict breast cancer intrinsic subtypes.
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Affiliation(s)
- Heloisa Helena Milioli
- Priority Research Centre for Bioinformatics, Biomarker Discovery and Information-Based Medicine, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Environmental and Life Science, The University of Newcastle, Callaghan, NSW, Australia
| | - Renato Vimieiro
- Priority Research Centre for Bioinformatics, Biomarker Discovery and Information-Based Medicine, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- Centro de Informática, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Carlos Riveros
- Priority Research Centre for Bioinformatics, Biomarker Discovery and Information-Based Medicine, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Electrical Engineering and Computer Science, The University of Newcastle, Callaghan, NSW, Australia
| | - Inna Tishchenko
- Priority Research Centre for Bioinformatics, Biomarker Discovery and Information-Based Medicine, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Electrical Engineering and Computer Science, The University of Newcastle, Callaghan, NSW, Australia
| | - Regina Berretta
- Priority Research Centre for Bioinformatics, Biomarker Discovery and Information-Based Medicine, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Electrical Engineering and Computer Science, The University of Newcastle, Callaghan, NSW, Australia
| | - Pablo Moscato
- Priority Research Centre for Bioinformatics, Biomarker Discovery and Information-Based Medicine, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Electrical Engineering and Computer Science, The University of Newcastle, Callaghan, NSW, Australia
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46
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Blanckaert V, Kerviel V, Lépinay A, Joubert-Durigneux V, Hondermarck H, Chénais B. Docosahexaenoic acid inhibits the invasion of MDA-MB-231 breast cancer cells through upregulation of cytokeratin-1. Int J Oncol 2015; 46:2649-55. [PMID: 25825023 DOI: 10.3892/ijo.2015.2936] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Accepted: 02/05/2015] [Indexed: 11/06/2022] Open
Abstract
Docosahexaenoic acid (DHA), the main member of the omega-3 essential fatty acid family, has been shown to reduce the invasion of the triple-negative breast cancer cell line MDA-MB-231, but the mechanism involved remains unclear. In the present study, a proteomic approach was used to define changes in protein expression induced by DHA. Proteins from crude membrane preparations of MDA-MB-231 cells treated with 100 µM DHA were separated by two-dimensional electrophoresis (2-DE) and differentially expressed proteins were identified using MALDI-TOF mass spectrometry. The main changes observed were the upregulation of Keratin, type Ⅱ cytoskeletal 1 (KRT1), catalase and lamin-A/C. Immunocytochemistry analyses confirmed the increase in KRT1 induced by DHA. Furthermore, in vitro invasion assays showed that siRNA against KRT1 was able to reverse the DHA-induced inhibition of breast cancer cell invasion. In conclusion, KRT1 is involved in the anti-invasive activity of DHA in breast cancer cells.
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Affiliation(s)
- Vincent Blanckaert
- Mer, Molécules, Santé (EA2160), IUML‑FR3473 CNRS, Université du Maine, F‑72085 Le Mans, France
| | - Vincent Kerviel
- Mer, Molécules, Santé (EA2160), IUML‑FR3473 CNRS, Université du Maine, F‑72085 Le Mans, France
| | - Alexandra Lépinay
- Mer, Molécules, Santé (EA2160), IUML‑FR3473 CNRS, Université du Maine, F‑72085 Le Mans, France
| | | | - Hubert Hondermarck
- School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute, Faculty of Health and Medicine, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Benoît Chénais
- Mer, Molécules, Santé (EA2160), IUML‑FR3473 CNRS, Université du Maine, F‑72085 Le Mans, France
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47
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He JY, Xi WH, Zhu LB, Long XH, Chen XY, Liu JM, Luo QF, Zhu XP, Liu ZL. Knockdown of Aurora-B alters osteosarcoma cell malignant phenotype via decreasing phosphorylation of VCP and NF-κB signaling. Tumour Biol 2015; 36:3895-902. [PMID: 25874486 DOI: 10.1007/s13277-014-3032-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 12/30/2014] [Indexed: 12/19/2022] Open
Abstract
The aim of this study is to investigate the effects of inhibiting Aurora-B on osteosarcoma (OS) cell malignant phenotype, phosphorylation of valosin-containing protein (VCP), and the activity of NF-κB signaling in vitro. The expressions of Aurora-B and p-VCP proteins were detected by immunohistochemistry in 24 OS tissues, and the relationship between Aurora-B and p-VCP was investigated. The results showed that there was a positive correlation between Aurora-B and p-VCP proteins. The expression of Aurora-B in human OS cell lines U2-OS and HOS cells was inhibited by specific short hairpin RNA (shRNA) lentivirus (AURKB-shRNA lentivirus, Lv-shAURKB) which targeted Aurora-B. The results showed that the phosphorylation of VCP, the activity of NF-κB signaling pathway and the malignant phenotype of OS cells were all suppressed by knockdown of Aurora-B. It indicated that the inhibition of Aurora-B alters OS cells malignant phenotype by downregulating phosphorylation of VCP and activating of the NF-κB signaling pathway in vitro.
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Affiliation(s)
- Jian Ying He
- The First Affiliated Hospital of Nanchang University, Nanchang, 330006, People's Republic of China
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48
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Pénzes K, Baumann C, Szabadkai I, Őrfi L, Kéri G, Ullrich A, Torka R. Combined inhibition of AXL, Lyn and p130Cas kinases block migration of triple negative breast cancer cells. Cancer Biol Ther 2014; 15:1571-82. [PMID: 25482942 PMCID: PMC4623058 DOI: 10.4161/15384047.2014.956634] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Blocking the migration of metastatic cancer cells is a major goal in the therapy of cancer. The receptor tyrosine kinase AXL is one of the main triggers for cancer cell migration in neoplasia of breast, colon, skin, thyroid and prostate. In our study we analyzed the effect of AXL inhibition on cell motility and viability in triple negative breast cancer cell lines overexpressing AXL. Thereby we reveal that the compound BMS777607, exhibiting the lowest IC50 values for inhibition of AXL kinase activity in the studied cell lines, attenuates cell motility to a lower extent than the kinase inhibitors MPCD84111 and SKI606. By analyzing the target kinases of MPCD84111 and SKI606 with kinase profiling assays we identified Lyn, a Src family kinase, as a target of both compounds. Knockdown of Lyn and the migration-related CRK-associated substrate (p130Cas), had a significant inhibitory effect on cell migration. Taken together, our findings highlight the importance of combinatorial or multikinase inhibition of non-receptor tyrosine kinases and AXL receptor tyrosine kinase in the therapy of triple negative breast cancer.
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Key Words
- AKT, RAC-α serine/threonine-protein kinase
- AXL
- EGFR, epidermal growth factor receptor
- ELISA, enzyme-linked immunosorbant assay
- FAK, focal adhesion kinase
- Gas6, growth arrest specific 6
- Lyn
- MAPK, mitogen activated protein kinases
- PI3K, phosphatidylinositol 3-kinase
- Pyk2, proline-rich tyrosine kinase 2
- RTK, receptor tyrosine kinase
- TKI, tyrosine kinase inhibitor
- TNBC, triple negative breast cancer
- breast cancer
- migration
- migration related kinases
- p130Cas
- siRNA, short interfering RNA
- tyrosine kinase inhibitors
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Affiliation(s)
- Kinga Pénzes
- Department of Molecular Biology; Max-Planck-Institute of Biochemistry; Martinsried, Germany,MTA-SE Pathobiochemistry Research Group; Department of Medical Chemistry; Semmelweis University; Budapest, Hungary
| | - Christine Baumann
- Department of Molecular Biology; Max-Planck-Institute of Biochemistry; Martinsried, Germany
| | | | - László Őrfi
- Vichem Chemie Research Ltd.; Budapest, Hungary,Department of Pharmaceutical Chemistry; Semmelweis University; Budapest, Hungary
| | - György Kéri
- Vichem Chemie Research Ltd.; Budapest, Hungary,MTA-SE Pathobiochemistry Research Group; Department of Medical Chemistry; Semmelweis University; Budapest, Hungary
| | - Axel Ullrich
- Department of Molecular Biology; Max-Planck-Institute of Biochemistry; Martinsried, Germany
| | - Robert Torka
- Department of Molecular Biology; Max-Planck-Institute of Biochemistry; Martinsried, Germany,Correspondence to: Robert Torka;
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49
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Paz H, Pathak N, Yang J. Invading one step at a time: the role of invadopodia in tumor metastasis. Oncogene 2014; 33:4193-202. [PMID: 24077283 PMCID: PMC3969876 DOI: 10.1038/onc.2013.393] [Citation(s) in RCA: 151] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Revised: 08/07/2013] [Accepted: 08/08/2013] [Indexed: 12/14/2022]
Abstract
The ability to degrade extracellular matrix is critical for tumor cells to invade and metastasize. Recent studies show that tumor cells use specialized actin-based membrane protrusions termed invadopodia to perform matrix degradation. Invadopodia provide an elegant way for tumor cells to precisely couple focal matrix degradation with directional movement. Here we discuss several key components and regulators of invadopodia that have been uniquely implicated in tumor invasion and metastasis. Furthermore, we discuss existing and new therapeutic opportunities to target invadopodia for anti-metastasis treatment.
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Affiliation(s)
- Helicia Paz
- Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Navneeta Pathak
- Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
- Biomedical Sciences Program, University of California, San Diego, La Jolla, CA, USA
| | - Jing Yang
- Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
- Biomedical Sciences Program, University of California, San Diego, La Jolla, CA, USA
- Department of Pediatrics, University of California, San Diego, La Jolla, CA, USA
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50
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Lu G, Zhang Q, Huang Y, Song J, Tomaino R, Ehrenberger T, Lim E, Liu W, Bronson RT, Bowden M, Brock J, Krop IE, Dillon DA, Gygi SP, Mills GB, Richardson AL, Signoretti S, Yaffe MB, Kaelin WG. Phosphorylation of ETS1 by Src family kinases prevents its recognition by the COP1 tumor suppressor. Cancer Cell 2014; 26:222-34. [PMID: 25117710 PMCID: PMC4169234 DOI: 10.1016/j.ccr.2014.06.026] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 05/09/2014] [Accepted: 06/27/2014] [Indexed: 12/12/2022]
Abstract
Oncoproteins and tumor suppressors antagonistically converge on critical nodes governing neoplastic growth, invasion, and metastasis. We discovered that phosphorylation of the ETS1 and ETS2 transcriptional oncoproteins at specific serine or threonine residues creates binding sites for the COP1 tumor suppressor protein, which is an ubiquitin ligase component, leading to their destruction. In the case of ETS1, however, phosphorylation of a neighboring tyrosine residue by Src family kinases disrupts COP1 binding, thereby stabilizing ETS1. Src-dependent accumulation of ETS1 in breast cancer cells promotes anchorage-independent growth in vitro and tumor growth in vivo. These findings expand the list of potential COP1 substrates to include proteins whose COP1-binding sites are subject to regulatory phosphorylation and provide insights into transformation by Src family kinases.
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Affiliation(s)
- Gang Lu
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Qing Zhang
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Ying Huang
- Center for Molecular Oncologic Pathology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Jiaxi Song
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Ross Tomaino
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Tobias Ehrenberger
- Department of Biology, Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Elgene Lim
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02215, USA
| | - Wenbin Liu
- Department of Systems Biology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Roderick T Bronson
- Rodent Histopathology Core, Dana Farber/Harvard Cancer Center, Harvard Medical School, Boston, MA 02115, USA
| | - Michaela Bowden
- Center for Molecular Oncologic Pathology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Jane Brock
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Ian E Krop
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Deborah A Dillon
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Gordon B Mills
- Department of Systems Biology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Andrea L Richardson
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Department of Cancer Cell Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Sabina Signoretti
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Michael B Yaffe
- Department of Biology, Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - William G Kaelin
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA.
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