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Ploeg EM, Britsch I, van Wijngaarden AP, Ke X, Hendriks MAJM, Samplonius DF, Helfrich W. A Novel Bispecific Antibody for EpCAM-Directed Inhibition of the CD73/Adenosine Immune Checkpoint in Ovarian Cancer. Cancers (Basel) 2023; 15:3651. [PMID: 37509310 PMCID: PMC10378099 DOI: 10.3390/cancers15143651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 06/22/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
PD-1/PD-L1-inhibiting antibodies have shown disappointing efficacy in patients with refractory ovarian cancer (OC). Apparently, OC cells exploit nonoverlapping immunosuppressive mechanisms to evade the immune system. In this respect, the CD73-adenosine inhibitory immune checkpoint is of particular interest, as it rapidly converts pro-inflammatory ATP released from cancer cells to immunosuppressive adenosine (ADO). Moreover, cancer-cell-produced ADO is known to form a highly immunosuppressive extra-tumoral 'halo' that chronically inhibits the anticancer activity of various immune effector cells. Thus far, conventional CD73-blocking antibodies such as oleclumab show limited clinical efficacy, probably due to the fact that it indiscriminately binds to and blocks CD73 on a massive surplus of normal cells. To address this issue, we constructed a novel bispecific antibody (bsAb) CD73xEpCAM that inhibits CD73 expressed on the OC cell surface in an EpCAM-directed manner. Importantly, bsAb CD73xEpCAM showed potent capacity to inhibit the CD73 enzyme activity in an EpCAM-directed manner and restore the cytotoxic activity of ADO-suppressed anticancer T cells. Additionally, treatment with bsAb CD73xEpCAM potently inhibited the proliferative capacity of OC cells and enhanced their sensitivity to cisplatin, doxorubicin, 5FU, and ionizing radiation. BsAb CD73xEpCAM may be useful in the development of tumor-directed immunotherapeutic approaches to overcome the CD73-mediated immunosuppression in patients with refractory OC.
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Affiliation(s)
- Emily Maria Ploeg
- Department of Surgery, Laboratory for Translational Surgical Oncology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Isabel Britsch
- Department of Surgery, Laboratory for Translational Surgical Oncology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Anne Paulien van Wijngaarden
- Department of Surgery, Laboratory for Translational Surgical Oncology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Xiurong Ke
- Department of Surgery, Laboratory for Translational Surgical Oncology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Mark Alexander Johannes Martinus Hendriks
- Department of Surgery, Laboratory for Translational Surgical Oncology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Douwe Freerk Samplonius
- Department of Surgery, Laboratory for Translational Surgical Oncology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Wijnand Helfrich
- Department of Surgery, Laboratory for Translational Surgical Oncology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
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Kim N, Hwang CY, Kim T, Kim H, Cho KH. A Cell-Fate Reprogramming Strategy Reverses Epithelial-to-Mesenchymal Transition of Lung Cancer Cells While Avoiding Hybrid States. Cancer Res 2023; 83:956-970. [PMID: 36710400 PMCID: PMC10015224 DOI: 10.1158/0008-5472.can-22-1559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 10/23/2022] [Accepted: 01/11/2023] [Indexed: 01/31/2023]
Abstract
The epithelial-to-mesenchymal transition (EMT) of primary cancer contributes to the acquisition of lethal properties, including metastasis and drug resistance. Blocking or reversing EMT could be an effective strategy to improve cancer treatment. However, it is still unclear how to achieve complete EMT reversal (rEMT), as cancer cells often transition to hybrid EMT states with high metastatic potential. To tackle this problem, we employed a systems biology approach and identified a core-regulatory circuit that plays the primary role in driving rEMT without hybrid properties. Perturbation of any single node was not sufficient to completely revert EMT. Inhibition of both SMAD4 and ERK signaling along with p53 activation could induce rEMT in cancer cells even with TGFβ stimulation, a primary inducer of EMT. Induction of rEMT in lung cancer cells with the triple combination approach restored chemosensitivity. This cell-fate reprogramming strategy based on attractor landscapes revealed potential therapeutic targets that can eradicate metastatic potential by subverting EMT while avoiding hybrid states. SIGNIFICANCE Network modeling unravels the highly complex and plastic process regulating epithelial and mesenchymal states in cancer cells and discovers therapeutic interventions for reversing epithelial-to-mesenchymal transition and enhancing chemosensitivity.
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Affiliation(s)
- Namhee Kim
- Laboratory for Systems Biology and Bio-inspired Engineering, Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Chae Young Hwang
- Laboratory for Systems Biology and Bio-inspired Engineering, Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
- Aventi Inc., Daejeon, Republic of Korea
| | - Taeyoung Kim
- Laboratory for Systems Biology and Bio-inspired Engineering, Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Hyunjin Kim
- Laboratory for Systems Biology and Bio-inspired Engineering, Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Kwang-Hyun Cho
- Laboratory for Systems Biology and Bio-inspired Engineering, Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
- Corresponding Author: Kwang-Hyun Cho, Department of Bio and Brain Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea. Phone: 82-42-350-4325; Fax: 82-42-350-4310; E-mail:
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3
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Park H, Imoto S, Miyano S. Gene Regulatory Network-Classifier: Gene Regulatory Network-Based Classifier and Its Applications to Gastric Cancer Drug (5-Fluorouracil) Marker Identification. J Comput Biol 2023; 30:223-243. [PMID: 36450117 DOI: 10.1089/cmb.2022.0181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
The complex mechanisms of diseases involve the disturbance of the molecular network, rather than disorder in a single gene, implying that single gene-based analysis is insufficient to understand these mechanisms. Gene regulatory networks (GRNs) have attracted a lot of interest and various approaches have been developed for their statistical inference and gene network-based analysis. Although various computational methods have been developed, relatively little attention has been paid to incorporation of biological knowledge into the computational approaches. Furthermore, existing studies on network-based analysis perform prediction/classification of status of cell lines based on preconstructed GRNs, implying that we cannot extract prediction/classification-specific gene networks, leading to difficulty in interpretation of biological mechanisms and marker identification related to the status of cancer cell lines. We developed a novel strategy to build a GRN-based classifier, called a GRN-classifier. The proposed GRN-classifier estimates GRNs and classifies cell lines simultaneously, where the gene network is estimated to minimize error in gene network estimation and the negative log-likelihood for classifying cell lines. Thus, we can identify biological status-specific gene regulatory systems, enabling us to achieve biologically reliable interpretation of the classification. We also propose an algorithm to implement the GRN-classifier based on coordinate descent update. Monte Carlo simulations were conducted to examine performance of the GRN-classifier. Results: Our strategy provides effective results in feature selection in the classification model and edge selection in gene network estimation. The GRN-classifier also shows outstanding classification accuracy. We apply the GRN-classifier to classify cancer cell lines into anticancer drug-related status, that is, 5-fluorouracil (5-FU)-sensitive/resistant and 5-FU target/nontarget cancer cell lines. We then identified 5-FU markers based on 5-FU-related status classification-specific gene networks. The mechanisms of the identified markers were verified through literature survey. Our results suggest that the molecular interplay between MYOF and AHNAK2 may play a crucial role in drug resistance and can provide information on the chemotherapy efficiency of 5-FU. It is also suggested that suppression of the identified 5-FU markers, including MYOF/AHNAK2 and AKR1C1/AKR1C3 may improve 5-FU resistance of cancer cell lines.
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Affiliation(s)
- Heewon Park
- M&D Data Science Center, Tokyo Medical and Dental University, Tokyo, Japan
| | - Seiya Imoto
- Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Satoru Miyano
- M&D Data Science Center, Tokyo Medical and Dental University, Tokyo, Japan.,Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
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Xu N, Tian H, Po Fung C, Lin Y, Chen Y, Zhu G, Shen Y, Guo C, Yang H. Inhibition of human oral squamous cell carcinoma proliferation and migration by prodrug-activating suicide gene therapies. Exp Ther Med 2023; 25:92. [PMID: 36761002 PMCID: PMC9905654 DOI: 10.3892/etm.2023.11790] [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: 06/12/2022] [Accepted: 11/09/2022] [Indexed: 01/11/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC), which originates from mucosal epithelium in the oral cavity, pharynx and larynx, is the sixth most common malignancy in the world. The prognosis of HNSCC is not satisfactory due to metastasis, resulting in 5-year survival rates ranging from 65.9 to 67.2%. Previously, we developed a method to evaluate the effect prodrug-activating suicide gene (PA-SG) therapy on the proliferation of HNSCC. The present study investigated PA-SG therapy on metastatic HNSCC by wound-healing assay and our previously established method. HSC-3 cells with stable expression of suicide genes thymidine kinase (TK) or cytosine deaminase (CD) were treated with prodrugs ganciclovir (GCV) or 5-fluorocytosine (5-FC), respectively. Both GCV and 5-FC inhibited HSC-3 proliferation while the bystander effect of CD/5-FC was greater compared with that of TK/GCV. GCV showed a greater anti-migration effect compared with that of 5-FC. To the best of our knowledge, the present study is the first to evaluate the anti-migratory and anti-proliferative effects of PA-SG therapies on metastatic HNSCC. This may also serve as a general method to quantify other types of PA-SC therapy. The present results demonstrated that PA-SG therapy is a promising treatment for anti-metastatic HNSCC therapy development.
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Affiliation(s)
- Naining Xu
- Department of Oral and Maxillofacial Surgery, Stomatological Center, Peking University Shenzhen Hospital, Shenzhen Peking University, The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong 518001, P.R. China
- Guangdong Provincial High-level Clinical Key Specialty, Guangdong Province Engineering Research Center of Oral Disease Diagnosis and Treatment, Shenzhen, Guangdong 518001, P.R. China
| | - Honglei Tian
- Division of Life Science, The Hong Kong University of Science and Technology, Hong Kong 999077, P.R. China
| | - Chun Po Fung
- Division of Life Science, The Hong Kong University of Science and Technology, Hong Kong 999077, P.R. China
| | - Yuntao Lin
- Department of Oral and Maxillofacial Surgery, Stomatological Center, Peking University Shenzhen Hospital, Shenzhen Peking University, The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong 518001, P.R. China
- Guangdong Provincial High-level Clinical Key Specialty, Guangdong Province Engineering Research Center of Oral Disease Diagnosis and Treatment, Shenzhen, Guangdong 518001, P.R. China
| | - Yuling Chen
- Department of Oral and Maxillofacial Surgery, Stomatological Center, Peking University Shenzhen Hospital, Shenzhen Peking University, The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong 518001, P.R. China
- Guangdong Provincial High-level Clinical Key Specialty, Guangdong Province Engineering Research Center of Oral Disease Diagnosis and Treatment, Shenzhen, Guangdong 518001, P.R. China
| | - Guang Zhu
- Division of Life Science, The Hong Kong University of Science and Technology, Hong Kong 999077, P.R. China
| | - Yuehong Shen
- Department of Oral and Maxillofacial Surgery, Stomatological Center, Peking University Shenzhen Hospital, Shenzhen Peking University, The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong 518001, P.R. China
- Guangdong Provincial High-level Clinical Key Specialty, Guangdong Province Engineering Research Center of Oral Disease Diagnosis and Treatment, Shenzhen, Guangdong 518001, P.R. China
| | - Chuanbin Guo
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Hongyu Yang
- Department of Oral and Maxillofacial Surgery, Stomatological Center, Peking University Shenzhen Hospital, Shenzhen Peking University, The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong 518001, P.R. China
- Guangdong Provincial High-level Clinical Key Specialty, Guangdong Province Engineering Research Center of Oral Disease Diagnosis and Treatment, Shenzhen, Guangdong 518001, P.R. China
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Manoochehri H, Jalali A, Tanzadehpanah H, Taherkhani A, Saidijam M. Identification of Key Gene Targets for Sensitizing Colorectal Cancer to Chemoradiation: an Integrative Network Analysis on Multiple Transcriptomics Data. J Gastrointest Cancer 2021; 53:649-668. [PMID: 34432208 DOI: 10.1007/s12029-021-00690-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/12/2021] [Indexed: 12/15/2022]
Abstract
PURPOSE Colorectal cancer (CRC) is a main cause of morbidity and mortality in the world. Chemoradioresistance is a major problem in CRC treatment. Identification of novel therapeutic targets in order to overcome treatment resistance in CRC is necessary. METHODS In this study, gene expression omnibus (GEO) database was searched to find microarray datasets. Data normalization/analyzing was performed using ExAtlas. The gene ontology (GO) and pathway enrichment analysis was performed using g:Profiler. Protein-protein interaction network (PPIN) was constructed by Search Tool for the Retrieval of Interacting Genes (STRING) and analyzed using Cytoscape. Survival analysis was done using Kaplan-Meier curve method. RESULTS Forty-one eligible datasets were included in study. A total of 12,244 differentially expressed genes (DEGs) and 7337 unique DEGs were identified. Among them, 1187 DEGs were overlapped in ≥ 3 datasets. Fifty-five overlapped genes were considered as hub genes. Common hub genes in chemo/radiation/chemoradiation datasets were chosen as the essential candidate genes (n = 13). Forty-one hub gene and 7 essential candidate genes were contributed in the significant modules. The modules were mainly enriched in the signaling pathways of senescence, autophagy, NF-κB, HIF-1, stem cell pluripotency, notch, neovascularization, cell cycle, p53, chemokine, and PI3K-Akt. NGFR, FGF2, and PROM1 genes were significantly predictors of CRC patient's survival. CONCLUSION Our study revealed three-gene signatures as potential therapeutic targets and also candidate molecular markers in CRC chemoradioresistance.
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Affiliation(s)
- Hamed Manoochehri
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Akram Jalali
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Hamid Tanzadehpanah
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran. .,Department of Molecular Medicine and Genetics, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran.
| | - Amir Taherkhani
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Massoud Saidijam
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran. .,Department of Molecular Medicine and Genetics, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran.
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6
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Tong J, Sun M, Zhang H, Yang D, Zhang Y, Xiong B, Jiang L. Proteomic analysis of bovine mammary epithelial cells after in vitro incubation with S. agalactiae: potential biomarkers. Vet Res 2020; 51:98. [PMID: 32746898 PMCID: PMC7398202 DOI: 10.1186/s13567-020-00808-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Accepted: 05/19/2020] [Indexed: 12/21/2022] Open
Abstract
Streptococcus agalactiae is one of the causative agents of subclinical mastitis, a common disease of dairy cows that causes great economic losses in the industry worldwide. It is thought that pathology is mainly due to inflammatory damage of bovine mammary epithelial cells (bMECs); however, the mechanism by which S. agalactiae damages the bMECs is not clear. The aim of this study was to evaluate the inflammatory effects of S. agalactiae on bMECs and the resulting changes in protein profiles. The bMECs were incubated with S. agalactiae for different times and assayed for cell viability by MTT assay, apoptosis by annexin V and propidium iodide dual staining, and morphological and ultrastructural changes by scanning and transmission electron microscopy. Quantitative real-time PCR was used to determine the effect of S. agalactiae on expression of mRNA of inflammatory factors in bMECs and protein levels were quantitated by liquid chromatography/mass spectrometry. Exposure to S. agalactiae significantly decreased the cell viability and triggered apoptosis, as well as up-regulating TNF-α, IL-1β and IL-6 mRNA, and inhibiting IL-8 expression. S. agalactiae also induced morphological and ultrastructural changes. Furthermore, we identified 325 up-regulated and 704 down-regulated proteins in the treated vs control group. All significant differentially expressed proteins (DSEPs) were classified into three major areas by function: biological processes, cellular components and molecular functions. These differentially expressed proteins included enzymes and proteins associated with various metabolic processes and cellular immunity. Pathway enrichment analysis showed that eight down-regulated signaling pathways were significantly enriched. Exposure to even subclinical levels of S. agalactiae can lead to inflammation and bMEC damage. Our data suggest some possible molecular mechanisms for the harmful effects of subclinical mastitis in dairy cows.
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Affiliation(s)
- Jinjin Tong
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing University of Agriculture, Beijing, 102206, People's Republic of China
| | - Mingwei Sun
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing University of Agriculture, Beijing, 102206, People's Republic of China
| | - Hua Zhang
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing University of Agriculture, Beijing, 102206, People's Republic of China
| | - Delian Yang
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing University of Agriculture, Beijing, 102206, People's Republic of China
| | - Yonghong Zhang
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing University of Agriculture, Beijing, 102206, People's Republic of China
| | - Benhai Xiong
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, People's Republic of China.
| | - Linshu Jiang
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing University of Agriculture, Beijing, 102206, People's Republic of China.
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Min DJ, Zhao Y, Monks A, Palmisano A, Hose C, Teicher BA, Doroshow JH, Simon RM. Identification of pharmacodynamic biomarkers and common molecular mechanisms of response to genotoxic agents in cancer cell lines. Cancer Chemother Pharmacol 2019; 84:771-780. [PMID: 31367787 PMCID: PMC8127867 DOI: 10.1007/s00280-019-03898-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 06/17/2019] [Indexed: 12/12/2022]
Abstract
PURPOSE Genotoxic agents (GAs) including cisplatin, doxorubicin, gemcitabine, and topotecan are often used in cancer treatment. However, the response to GAs is variable among patients and predictive biomarkers are inadequate to select patients for treatment. Accurate and rapid pharmacodynamics measures of response can, thus, be useful for monitoring therapy and improve clinical outcomes. METHODS This study focuses on integrating a database of genome-wide response to treatment (The NCI Transcriptional Pharmacodynamics Workbench) with a database of baseline gene expression (GSE32474) for the NCI-60 cell lines to identify mechanisms of response and pharmacodynamic (PD) biomarkers. RESULTS AND CONCLUSIONS Our analysis suggests that GA-induced endoplasmic reticulum (ER) stress may signal for GA-induced cell death. Reducing the uptake of GA, activating DNA repair, and blocking ER-stress induction cooperate to prevent GA-induced cell death in the GA-resistant cells. ATF3, DDIT3, CARS, and PPP1R15A appear as possible candidate PD biomarkers for monitoring the progress of GA treatment. Further validation studies on the proposed intrinsic drug-resistant mechanism and candidate genes are needed using in vivo data from either patient-derived xenograft models or clinical chemotherapy trials.
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Affiliation(s)
- Dong-Joon Min
- Biometric Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, 9609 Medical Center Dr., Rockville, MD, 20850, USA
| | - Yingdong Zhao
- Biometric Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, 9609 Medical Center Dr., Rockville, MD, 20850, USA
| | - Anne Monks
- Molecular Pharmacology Group, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD, 21702, USA
| | - Alida Palmisano
- Biometric Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, 9609 Medical Center Dr., Rockville, MD, 20850, USA
| | - Curtis Hose
- Molecular Pharmacology Group, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD, 21702, USA
| | - Beverly A Teicher
- Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, MD, 20892, USA
| | - James H Doroshow
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, MD, 20892, USA
| | - Richard M Simon
- Biometric Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, 9609 Medical Center Dr., Rockville, MD, 20850, USA.
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8
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Weng CC, Ding PY, Liu YH, Hawse JR, Subramaniam M, Wu CC, Lin YC, Chen CY, Hung WC, Cheng KH. Mutant Kras-induced upregulation of CD24 enhances prostate cancer stemness and bone metastasis. Oncogene 2019; 38:2005-2019. [PMID: 30467381 PMCID: PMC6484710 DOI: 10.1038/s41388-018-0575-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 08/25/2018] [Accepted: 09/13/2018] [Indexed: 12/19/2022]
Abstract
Prostate cancer (PCA), one of the most common malignant tumors in men, is the second leading cause of cancer deaths in males worldwide. We report here that PCA models harboring conditional LSL/KrasG12D or BRAFF-V600E allele with prostate-specific abrogated p53 function recapitulate human PCA precursor lesions, histopathology, and clinical behaviors. We found that the development of reprogrammed EMT-like phenotypes and skeleton metastatic behavior requires concurrent activated Kras and p53 depletion in PCA. Microarray analyses of primary PCA cells derived from these models identified several cancer stemness genes including CD24, EpCAM, and CD133 upregulated by KRASG12D. Among these stemness markers, we identified CD24 as a key driver of tumorigenesis and metastasis in vivo. These data demonstrate that specific factors involved in cancer stemness are critical for metastatic conversion of PCA and may be ideal targets for therapeutic intervention.
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Affiliation(s)
- Ching-Chieh Weng
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan
| | - Pei-Ya Ding
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan
| | - Yu-Hsuan Liu
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan
| | - John R Hawse
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Malayannan Subramaniam
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Chia-Chen Wu
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan
| | - Yu-Chun Lin
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan
| | - Chiao-Yun Chen
- Department of Medical Imaging, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Wen-Chun Hung
- National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan
| | - Kuang-Hung Cheng
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan.
- National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan.
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung, Taiwan.
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Herreros-Pomares A, Aguilar-Gallardo C, Calabuig-Fariñas S, Sirera R, Jantus-Lewintre E, Camps C. EpCAM duality becomes this molecule in a new Dr. Jekyll and Mr. Hyde tale. Crit Rev Oncol Hematol 2018; 126:52-63. [DOI: 10.1016/j.critrevonc.2018.03.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 03/16/2018] [Accepted: 03/17/2018] [Indexed: 02/08/2023] Open
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10
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The reversal effect of Ginsenoside Rh2 on drug resistance in human colorectal carcinoma cells and its mechanism. Hum Cell 2018; 31:189-198. [DOI: 10.1007/s13577-017-0189-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 10/23/2017] [Indexed: 12/22/2022]
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11
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Zhou D, Liu W, Liang S, Sun B, Liu A, Cui Z, Han X, Yuan L. Apoptin-derived peptide reverses cisplatin resistance in gastric cancer through the PI3K-AKT signaling pathway. Cancer Med 2018. [PMID: 29522284 PMCID: PMC5911602 DOI: 10.1002/cam4.1380] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The prognosis of gastric cancer (GC) remains poor due to clinical drug resistance, and novel drugs are urgently needed. Apoptin-derived peptide (AdP) is an antitumor polypeptide constructed in our laboratory that has been used to combat cisplatin (CDDP) resistance in GC cells. MTT and colony-formation assays and Hoechst 33342 staining were used to measure the cytotoxicity of CDDP and AdP in GC cells. Cell apoptosis was measured using an Annexin-V-FITC/PI dual staining assay. Western blot analysis was conducted to detect the expression of proteins in the PI3K/AKT signaling pathway and resistance-related markers. AdP exerted a specific cytotoxic effect on GC cells and CDDP-resistant GC cells in a concentration- and time-dependent manner. AdP also suppressed cell invasion and migration. Additionally, AdP inhibited the expression of p85, AKT, p-p85, p-AKT, multidrug resistance 1 (MDR1), and aryl hydrocarbon nuclear translocator (ARNT) in the PI3K/AKT/ARNT signaling pathway, which promoted apoptosis and necrosis in GC cells. AdP promoted apoptosis in CDDP-resistant GC cells by suppressing the PI3K/AKT/ARNT signaling pathway and might be considered a candidate agent for the clinical treatment of cisplatin-resistant GC.
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Affiliation(s)
- Danyang Zhou
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Daqing Campus, Daqing, Heilongjiang, 163319, China
| | - Wenjing Liu
- Clinical Laboratory of Daqing People's Hospital Daqig, Helongjiang, 163310, China
| | - Songhe Liang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Daqing Campus, Daqing, Heilongjiang, 163319, China
| | - Banghao Sun
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Daqing Campus, Daqing, Heilongjiang, 163319, China
| | - Anqi Liu
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Daqing Campus, Daqing, Heilongjiang, 163319, China
| | - Zhongqi Cui
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital of Tongji University, Shanghai, 200072, China
| | - Xue Han
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Daqing Campus, Daqing, Heilongjiang, 163319, China
| | - Lijie Yuan
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Daqing Campus, Daqing, Heilongjiang, 163319, China
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Wen S, Wang X, Wang Y, Shen J, Pu J, Liang H, Chen C, Liu L, Dai P. Nucleoside diphosphate kinase 2 confers acquired 5-fluorouracil resistance in colorectal cancer cells. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:896-905. [DOI: 10.1080/21691401.2018.1439835] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Shaojia Wen
- College of Life Science, Northwest University, Xi’an, PR China
| | - Xun Wang
- College of Life Science, Northwest University, Xi’an, PR China
| | - Yamin Wang
- College of Life Science, Northwest University, Xi’an, PR China
| | - Jianfeng Shen
- College of Life Science, Northwest University, Xi’an, PR China
| | - Junyi Pu
- College of Life Science, Northwest University, Xi’an, PR China
| | - Hui Liang
- College of Life Science, Northwest University, Xi’an, PR China
| | - Chao Chen
- College of Life Science, Northwest University, Xi’an, PR China
| | - Linna Liu
- Pharmacy Department, Tangdu Hospital, Fourth Military Medical University, Xi’an, PR China
| | - Penggao Dai
- College of Life Science, Northwest University, Xi’an, PR China
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13
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Xu Y, Miao C, Jin C, Qiu C, Li Y, Sun X, Gao M, Lu N, Kong B. SUSD2 promotes cancer metastasis and confers cisplatin resistance in high grade serous ovarian cancer. Exp Cell Res 2018; 363:160-170. [DOI: 10.1016/j.yexcr.2017.12.029] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 12/26/2017] [Accepted: 12/29/2017] [Indexed: 01/27/2023]
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14
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Vert A, Castro J, Ribó M, Vilanova M, Benito A. Transcriptional profiling of NCI/ADR-RES cells unveils a complex network of signaling pathways and molecular mechanisms of drug resistance. Onco Targets Ther 2018; 11:221-237. [PMID: 29379303 PMCID: PMC5757493 DOI: 10.2147/ott.s154378] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Background Ovarian cancer has the highest mortality rate among all the gynecological cancers. This is mostly due to the resistance of ovarian cancer to current chemotherapy regimens. Therefore, it is of crucial importance to identify the molecular mechanisms associated with chemoresistance. Methods NCI/ADR-RES is a multidrug-resistant cell line that is a model for the study of drug resistance in ovarian cancer. We carried out a microarray-derived transcriptional profiling analysis of NCI/ADR-RES to identify differentially expressed genes relative to its parental OVCAR-8. Results Gene-expression profiling has allowed the identification of genes and pathways that may be important for the development of drug resistance in ovarian cancer. The NCI/ADR-RES cell line has differential expression of genes involved in drug extrusion, inactivation, and efficacy, as well as genes involved in the architectural and functional reorganization of the extracellular matrix. These genes are controlled through different signaling pathways, including MAPK–Akt, Wnt, and Notch. Conclusion Our findings highlight the importance of using orthogonal therapies that target completely independent pathways to overcome mechanisms of resistance to both classical chemotherapeutic agents and molecularly targeted drugs.
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Affiliation(s)
- Anna Vert
- Protein Engineering Laboratory, Department of Biology, Faculty of Sciences, Universitat de Girona.,Biomedical Research Institute of Girona (IDIBGi), Girona, Spain
| | - Jessica Castro
- Protein Engineering Laboratory, Department of Biology, Faculty of Sciences, Universitat de Girona.,Biomedical Research Institute of Girona (IDIBGi), Girona, Spain
| | - Marc Ribó
- Protein Engineering Laboratory, Department of Biology, Faculty of Sciences, Universitat de Girona.,Biomedical Research Institute of Girona (IDIBGi), Girona, Spain
| | - Maria Vilanova
- Protein Engineering Laboratory, Department of Biology, Faculty of Sciences, Universitat de Girona.,Biomedical Research Institute of Girona (IDIBGi), Girona, Spain
| | - Antoni Benito
- Protein Engineering Laboratory, Department of Biology, Faculty of Sciences, Universitat de Girona.,Biomedical Research Institute of Girona (IDIBGi), Girona, Spain
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15
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ADAM12-L confers acquired 5-fluorouracil resistance in breast cancer cells. Sci Rep 2017; 7:9687. [PMID: 28852196 PMCID: PMC5575004 DOI: 10.1038/s41598-017-10468-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 08/10/2017] [Indexed: 12/17/2022] Open
Abstract
5-FU-based combinatory chemotherapeutic regimens have been routinely used for many years for the treatment of breast cancer patients. Recurrence and chemotherapeutic drug resistance are two of the most prominent factors that underpin the high mortality rates associated with most breast cancers (BC). Increasing evidence indicates that overexpression of ADAMs could correlate with cancer progression. However, the role of ADAMs in the chemoresistance of cancer cells has rarely been reported. In this study, we observed that 5-FU induces expression of the ADAM12 isoform ADAM12-L but not ADAM12-S in BC cells and in recurrent BC tissues. The overexpression of ADAM12-L in BC cells following 5-FU treatment results in the acquisition of resistance to 5-FU. ADAM12-L overexoression also resulted in increased levels of p-Akt but not p-ERK. These alterations enhanced BC cell growth and invasive abilities. Conversely, ADAM12 knockdown attenuated the levels of p-Akt and restored 5-FU sensitivity in 5-FU-resistant BC cells. ADAM12 knockdown also reduced BC cell survival and invasive abilities. These findings suggest that ADAM12-L mediates chemoresistance to 5-FU and 5-FU-induced recurrence of BC by enhancing PI3K/Akt signaling. The results of this study suggest that specific ADAM12-L inhibition could optimize 5-FU-based chemotherapy of BC, thereby preventing BC recurrence in patients.
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16
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5-Fluorouracil-induced mitochondrial oxidative cytotoxicity and apoptosis are increased in MCF-7 human breast cancer cells by TRPV1 channel activation but not Hypericum perforatum treatment. Mol Cell Biochem 2017; 439:189-198. [PMID: 28795251 DOI: 10.1007/s11010-017-3147-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Accepted: 08/02/2017] [Indexed: 12/13/2022]
Abstract
5-Fluorouracil (5-FU) is a widely used chemotherapy agent for breast cancer, although drug resistance is a critical issue regarding the use of this agent in the disease. Calcium signaling is a well-known main cause of proliferation and apoptosis in breast cancer cells. Although previous studies have implicated TRPV1 inhibitor, anticancer, and apoptotic roles of Hypericum perforatum (HPer) in several cells, the synergistic inhibition effects of HPer and 5-FU in cancer and the stimulation of ongoing apoptosis have not yet been clarified in MCF-7 cells. Therefore, we investigated the apoptotic and antioxidant properties of 5-FU with/without HPer through activation of TRPV1 in MCF-7 cells. The MCF-7 cells were divided into four groups: the control group, the HPer-treated group (0.3 mM), the 5-FU-treated group (25 μM), and the 5-FU+HPer-treated group. The intracellular free calcium ion concentration ([Ca2+]i) increased with 5-FU treatments, but they decreased with the HPer and HPer+5-FU treatments. The [Ca2+]i is further decreased in the four groups by TRPV1 channel antagonist (capsazepine and 0.01 mM) treatments. However, mitochondrial membrane depolarization and apoptosis levels, and the PARP1, caspase 3, and caspase 9 expression levels were increased by 5-FU treatment, although the values were decreased by the HPer and 5-FU+HPer treatments. Cell viability level was also decreased by 5-FU treatment. In conclusion, antitumor and apoptosis effects of 5-FU are up-regulated by activation of TRPV1 channels, but its action was down-regulated by HPer treatment. It seems that HPer cannot be used for increasing the antitumor effect of 5-FU through modulation of the TRPV1.
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17
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18
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Gao S, Sun Y, Liu X, Zhang D, Yang X. EpCAM and COX-2 expression are positively correlated in human breast cancer. Mol Med Rep 2017; 15:3755-3760. [DOI: 10.3892/mmr.2017.6447] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Accepted: 02/09/2017] [Indexed: 11/06/2022] Open
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19
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Zhang D, Liu X, Gao J, Sun Y, Liu T, Yan Q, Yang X. The role of epithelial cell adhesion molecule N-glycosylation on apoptosis in breast cancer cells. Tumour Biol 2017; 39:1010428317695973. [DOI: 10.1177/1010428317695973] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Glycosylation of cell surface proteins plays an important role in the regulation of apoptosis. It has been demonstrated that knockdown of epithelial cell adhesion molecule promoted apoptosis, inhibited cell proliferation, and caused cell-cycle arrest. In this study, we investigated whether and how N-glycosylation of epithelial cell adhesion molecule influenced the apoptosis in breast cancer cells. We applied the N-glycosylation mutation epithelial cell adhesion molecule plasmid to express deglycosylation of epithelial cell adhesion molecule and then to study its function. Our results showed that deglycosylation of epithelial cell adhesion molecule promoted apoptosis and inhibited cell proliferation. Deglycosylation of epithelial cell adhesion molecule enhanced the cytotoxic effect of 5-fluorouracil, promoting apoptosis by downregulating the expression of the anti-apoptotic protein Bcl-2 and upregulating the expression of the pro-apoptotic proteins Bax and Caspase 3 via the extracellular-signal-regulated kinase 1/2 and c-Jun N-terminal kinase mitogen-activated protein kinase signaling pathways in MCF-7 and MDA-MB-231 cells. These findings are important for a better understanding of epithelial cell adhesion molecule apoptosis regulation and suggest epithelial cell adhesion molecule as a potential target for the treatment of breast cancer.
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Affiliation(s)
- Dandan Zhang
- Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, People’s Republic of China
| | - Xue Liu
- Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, People’s Republic of China
| | - Jiujiao Gao
- Center for Molecular Medicine, School of Life Science and Biotechnology, Dalian University of Technology, Dalian, People’s Republic of China
| | - Yan Sun
- Department of Nephrology, Hematology and Rheumatology, Yantai Affiliated Hospital, Binzhou Medical College, Yantai, People’s Republic of China
| | - Tingjiao Liu
- Section of Oral Pathology, College of Stomatology, Dalian Medical University, Dalian, People’s Republic of China
| | - Qiu Yan
- Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, People’s Republic of China
| | - Xuesong Yang
- Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, People’s Republic of China
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20
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Gaballah HH, Gaber RA, Mohamed DA. Apigenin potentiates the antitumor activity of 5-FU on solid Ehrlich carcinoma: Crosstalk between apoptotic and JNK-mediated autophagic cell death platforms. Toxicol Appl Pharmacol 2017; 316:27-35. [DOI: 10.1016/j.taap.2016.12.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 12/17/2016] [Accepted: 12/19/2016] [Indexed: 12/22/2022]
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21
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Fukuno S, Nagai K, Kasahara K, Mizobata Y, Omotani S, Hatsuda Y, Myotoku M, Konishi H. Altered tolbutamide pharmacokinetics by a decrease in hepatic expression of CYP2C6/11 in rats pretreated with 5-fluorouracil. Xenobiotica 2017; 48:53-59. [PMID: 28051340 DOI: 10.1080/00498254.2017.1278808] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
1. We investigated the change in the pharmacokinetic profile of tolbutamide (TB), a substrate for CYP2C6/11, 4 days after single administration of 5-fluorouracil (5-FU), and the hepatic gene expression and activity of CYP2C6/11 were also examined in 5-FU-pretreated rats. 2. Regarding the pharmacokinetic parameters of the 5-FU group, the area under the curve (AUC) was significantly increased, and correspondingly, the elimination rate constant at the terminal phase (ke) was significantly decreased without significant change in the volume of distribution at the steady state (Vdss). 3. The metabolic production of 4-hydroxylated TB in hepatic microsomes was significantly reduced by the administration of 5-FU. 4. The expression level of mRNAs for hepatic CYP2C6 and CYP2C11 was significantly lower than in the control group when the rats were pretreated with 5-FU. 5. These results demonstrated that the pharmacokinetic profile of TB was altered by the treatment with 5-FU through a metabolic process, which may be responsible for the decreased CYP2C6/11 expression at mRNA levels.
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Affiliation(s)
- Shuhei Fukuno
- a Laboratory of Clinical Pharmacy and Therapeutics , Faculty of Pharmacy, Osaka Ohtani University , Tondabayashi , Japan and
| | - Katsuhito Nagai
- a Laboratory of Clinical Pharmacy and Therapeutics , Faculty of Pharmacy, Osaka Ohtani University , Tondabayashi , Japan and.,b Laboratory of Practical Pharmacy and Pharmaceutical Care , Faculty of Pharmacy, Osaka Ohtani University , Tondabayashi , Japan
| | - Keita Kasahara
- a Laboratory of Clinical Pharmacy and Therapeutics , Faculty of Pharmacy, Osaka Ohtani University , Tondabayashi , Japan and
| | - Yuki Mizobata
- a Laboratory of Clinical Pharmacy and Therapeutics , Faculty of Pharmacy, Osaka Ohtani University , Tondabayashi , Japan and
| | - Sachiko Omotani
- b Laboratory of Practical Pharmacy and Pharmaceutical Care , Faculty of Pharmacy, Osaka Ohtani University , Tondabayashi , Japan
| | - Yasutoshi Hatsuda
- b Laboratory of Practical Pharmacy and Pharmaceutical Care , Faculty of Pharmacy, Osaka Ohtani University , Tondabayashi , Japan
| | - Michiaki Myotoku
- b Laboratory of Practical Pharmacy and Pharmaceutical Care , Faculty of Pharmacy, Osaka Ohtani University , Tondabayashi , Japan
| | - Hiroki Konishi
- a Laboratory of Clinical Pharmacy and Therapeutics , Faculty of Pharmacy, Osaka Ohtani University , Tondabayashi , Japan and
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22
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Xia LL, Tang YB, Song FF, Xu L, Ji P, Wang SJ, Zhu JM, Zhang Y, Zhao GP, Wang Y, Liu TT. DCTPP1 attenuates the sensitivity of human gastric cancer cells to 5-fluorouracil by up-regulating MDR1 expression epigenetically. Oncotarget 2016; 7:68623-68637. [PMID: 27612427 PMCID: PMC5356578 DOI: 10.18632/oncotarget.11864] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 08/24/2016] [Indexed: 01/08/2023] Open
Abstract
Gastric cancer (GC) is among the most malignant cancers with high incidence and poor prognoses worldwide as well as in China. dCTP pyrophosphatase 1 (DCTPP1) is overexpressed in GC with a poor prognosis. Given chemotherapeutic drugs share similar structures with pyrimidine nucleotides, the role of DCTPP1 in affecting the drug sensitivity in GC remains unclear and is worthy of investigation. In the present study, we reported that DCTPP1-knockdown GC cell line BGC-823 exhibited more sensitivity to 5-fluorouracil (5-FU), demonstrated by the retardation of cell proliferation, the increase in cell apoptosis, cell cycle arrest at S phase and more DNA damages. Multidrug resistance 1 (MDR1) expression was unexpectedly down-regulated in DCTPP1-knockdown BGC-823 cells together with more intracellular 5-FU accumulation. This was in large achieved by the elevated methylation in promoter region of MDR1 gene. The intracellular 5-methyl-dCTP level increased in DCTPP1-knockdown BGC-823 cells as well. More significantly, the strong correlation of DCTPP1 and MDR1 expression was detectable in clinical GC samples. Our results thus imply a novel mechanism of chemoresistance mediated by the overexpression of DCTPP1 in GC. It is achieved partially through decreasing the concentration of intracellular 5-methyl-dCTP, which in turn results in promoter hypomethylation and hyper-expression of drug resistant gene MDR1. Our study suggests DCTPP1 as a potential indicative biomarker for the predication of chemoresistance in GC.
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Affiliation(s)
- Li-liang Xia
- State Key Laboratory of Genetic Engineering, Department of Microbiology, School of Life Sciences and Institute of Biomedical Sciences, Fudan University, Shanghai, China
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, Chinese National Human Genome Center at Shanghai, Shanghai, China
| | - Ya-bin Tang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Department of Pharmacology and Chemical Biology, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Fei-fei Song
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Department of Pharmacology and Chemical Biology, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Ling Xu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Department of Pharmacology and Chemical Biology, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Ping Ji
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Department of Pharmacology and Chemical Biology, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Shu-jun Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Department of Pharmacology and Chemical Biology, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Ji-min Zhu
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yong Zhang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Department of Pharmacology and Chemical Biology, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Guo-ping Zhao
- State Key Laboratory of Genetic Engineering, Department of Microbiology, School of Life Sciences and Institute of Biomedical Sciences, Fudan University, Shanghai, China
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, Chinese National Human Genome Center at Shanghai, Shanghai, China
- Department of Microbiology and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong SAR, China
| | - Ying Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Department of Pharmacology and Chemical Biology, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Tao-tao Liu
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
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Ohashi R, Kawahara K, Fujii T, Takei H, Naito Z. Higher expression of EpCAM is associated with poor clinical and pathological responses in breast cancer patients undergoing neoadjuvant chemotherapy. Pathol Int 2016; 66:210-7. [DOI: 10.1111/pin.12404] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Revised: 01/31/2016] [Accepted: 02/25/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Ryuji Ohashi
- Department of Diagnostic Pathology; Nippon Medical School Hospital; Tokyo Japan
| | - Kiyoko Kawahara
- Department of Integrated Diagnostic Pathology; Nippon Medical School; Tokyo Japan
| | - Takenori Fujii
- Department of Integrated Diagnostic Pathology; Nippon Medical School; Tokyo Japan
| | - Hiroyuki Takei
- Division of Breast Surgery; Nippon Medical School Hospital; Tokyo Japan
| | - Zenya Naito
- Department of Diagnostic Pathology; Nippon Medical School Hospital; Tokyo Japan
- Department of Integrated Diagnostic Pathology; Nippon Medical School; Tokyo Japan
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24
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Han CK, Chiang HC, Lin CY, Tang CH, Lee H, Huang DD, Zeng YR, Chuang TN, Huang YL. Comparison of Immunomodulatory and Anticancer Activities in Different Strains of Tremella fuciformis Berk. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2016; 43:1637-55. [DOI: 10.1142/s0192415x15500937] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Tremella fuciformis Berk (TF) is a common edible and medicinal mushroom, and has long been used in food and in Chinese medicine. It possesses anticancer, anti-inflammation, anti-oxidative, and neuroprotective abilities. Since their cultivation is a problem, TFs in Taiwan are primarily imported from China, which has a problem with pesticide residues. Thus, the question of whether the Taiwan cultivated TFs, T1, and T6 showed similar or even better results than TFs from China (CH) was assessed in the present study. The results of the physicochemical tests of these TFs showed that T1 extracted by hot water (T1H) has the highest concentration of polysaccharide; meanwhile, T6 extracted by cold water (T6C) showed the highest amount of protein. Regarding the immune modulatory effects of these TFs, hot water extracts of these TFs augmented significantly the inducible nitric oxide synthetase (iNOS), interleukin (IL)-6, and tumor necrosis factor (TNF)-[Formula: see text] mRNA expression than those of cold water extracts. On the other hand, the cold water extracts of TFs, especially of T1C, obviously suppressed cancer cell survival better than those of hot water extracts. Interestingly, we found that hot water extracts of TFs may augment necrotic cell death, whereas, cold water extracts of TFs induce apoptosis. Furthermore, we also showed that these TFs activate caspase-3 cleavage, up regulate the Bax/Bcl-2 ratio, and decrease MMP-9 expressions in PC-3 cells. Taken together, our results indicated that T1 and T6 strains of TFs showed the similar immune modulatory and anticancer abilities were better than the CH strain of TFs.
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Affiliation(s)
- Chien-Kuo Han
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan, R.O.C
| | - Hsin-Chieh Chiang
- Department of Marine Leisure and Tourism, Taipei College of Maritime Technology, Taipei, Taiwan, R.O.C
| | - Chien-Yin Lin
- Department of Biotechnology, College of Medical and Health Science, Asia University, Taichung, Taiwan, R.O.C
| | - Chih-Hsin Tang
- Graduate Institute of Basic Medical Science, China Medical University and Hospital, Taichung, Taiwan, R.O.C
| | - Hsinyu Lee
- Department of Life Science, College of Life Science, National Taiwan University, Taipei, Taiwan, R.O.C
- Center for Biotechnology, National Taiwan University, Taipei, Taiwan, R.O.C
- Angiogenesis Research Center, National Taiwan University, Taipei, Taiwan, R.O.C
- Research Center for Developmental Biology and Regenerative Medicine, National Taiwan University, Taipei, Taiwan, R.O.C
| | - Ding-Ding Huang
- Department of Biotechnology, College of Medical and Health Science, Asia University, Taichung, Taiwan, R.O.C
| | - Yu-Ru Zeng
- Department of Biotechnology, College of Medical and Health Science, Asia University, Taichung, Taiwan, R.O.C
| | - Tsai-Ni Chuang
- Department of Biotechnology, College of Medical and Health Science, Asia University, Taichung, Taiwan, R.O.C
| | - Yuan-Li Huang
- Department of Biotechnology, College of Medical and Health Science, Asia University, Taichung, Taiwan, R.O.C
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan, R.O.C
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25
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Zhai C, Tang G, Peng L, Hu H, Qian G, Wang S, Yao J, Zhang X, Fang Y, Yang S, Zhang X. Inhibition of microRNA-1 attenuates hypoxia/re-oxygenation-induced apoptosis of cardiomyocytes by directly targeting Bcl-2 but not GADD45Beta. Am J Transl Res 2015; 7:1952-1962. [PMID: 26692938 PMCID: PMC4656771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 08/02/2015] [Indexed: 06/05/2023]
Abstract
MicroRNAs are small non-coding RNAs that are able to regulate gene expression and play important roles in some biological and pathological processes, including the myocardial ischemia/reperfusion (I/R) injury. Recent findings demonstrated that miR-1 exacerbated I/R-induced injury. This study was to investigate theanti-apoptotic property of miR-1 inhibition and the potential regulatory mechanism. Results showed miR-1 expression reduced in the heart of rats undergoing myocardial I/R and the cardiomyocytes receiving hypoxia/reoxygenation (H/R) injury, but the serum miR-1 expression increased. The targets of miR-1 were predicted by cDNA microarray, and Bcl-2 and GADD45β were selected as candidate targets. Western blot assay and qPCR showed Bcl-2 and GADD45β protein and mRNA expressions increased after I/R injury and H/R injury. Bcl-2 was a direct target of miR-1 as shown in previous studies. Luciferase assay and Western blot assay revealed GADD45β was a direct target of miR-1, and miR-1 suppressed GADD45β expression via binding to its 3'UTR. Furthermore, miR-1 inhibition increased Bcl-2 expression and reduced IA/AAR (infarct area/area at risk) ratio and cell apoptosis in rats undergoing myocardial I/R as well as in cardiomyocytes receiving H/R injury. Importantly, Bcl-2 knockdown restored these consequences following miR-1 inhibition. However, GADD45β knockdown reduced IA/AAR ratio and cell apoptosis in vivo and in vitro, but failed torestore above consequences after miR-1 inhibition. In conclusion miR-1 inhibition protects against H/R-induced apoptosis of myocytes by directly targeting Bcl-2 but not GADD45β.
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Affiliation(s)
- Changlin Zhai
- Department of Pharmacology, School of Medicine, Shandong UniversityJinan 250100, China
- Department of Cardiology, The First Affiliated Hospital of Jiaxing UniversityJiaxing, 314000, China
| | - Guanmin Tang
- Department of Cardiology, The First Affiliated Hospital of Jiaxing UniversityJiaxing, 314000, China
| | - Lei Peng
- Department of Interventional Radiology, Yantai Economic and Technological Development Area HospitalYantai 264006, China
| | - Huilin Hu
- Department of Cardiology, The First Affiliated Hospital of Jiaxing UniversityJiaxing, 314000, China
| | - Gang Qian
- Department of Cardiology, The First Affiliated Hospital of Jiaxing UniversityJiaxing, 314000, China
| | - Shijun Wang
- Department of Pharmacology, School of Medicine, Shandong UniversityJinan 250100, China
| | - Jiankang Yao
- Department of Pharmacology, School of Medicine, Shandong UniversityJinan 250100, China
| | - Xiaoping Zhang
- Department of Cardiology, The First Affiliated Hospital of Jiaxing UniversityJiaxing, 314000, China
| | - Ying Fang
- Department of Cardiology, The First Affiliated Hospital of Jiaxing UniversityJiaxing, 314000, China
| | - Shuang Yang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical UniversityHarbin 150086, China
| | - Xiumei Zhang
- Department of Pharmacology, School of Medicine, Shandong UniversityJinan 250100, China
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Simvastatin induces growth inhibition and apoptosis in HepG2 and Huh7 hepatocellular carcinoma cells via upregulation of Notch1 expression. Mol Med Rep 2014; 11:2334-40. [PMID: 25412322 DOI: 10.3892/mmr.2014.2976] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Accepted: 10/27/2014] [Indexed: 11/05/2022] Open
Abstract
Statins, cholesterol‑lowering drugs, are one of the most commonly prescribed types of medications. Previous studies have suggested that simvastatin may inhibit the cell function and tumor growth of hepatocellular carcinoma (HCC) cells; however, the molecular mechanisms underlying simvastatin‑induced apoptosis in HCC cells remains to be elucidated. The aim of the present study was to investigate the role of simvastatin in the regulation of cell viability, proliferation and apoptosis in HepG2 and Huh7 HCC cells, and to elucidate the specific regulatory mechanisms by which simvastatin proceeds. MTT, trypan blue and flow cytometric analyses were performed in order to detect viability, proliferation and apoptosis in HepG2 and Huh7 cells. The results of the present study demonstrated that simvastatin significantly decreased cell viability and proliferation as well as increased apoptosis in HepG2 and Huh7 cells compared to that in untreated cells. In addition, reverse transcription quantitative polymerase chain reaction and western blot analysis revealed that simvastatin‑treated cells exhibited increased expression levles of Notch1, p53, and Bax, as well as decreased expression levels of B cell lymphoma 2; furthermore, Notch1 upregulation resulted in the inhibition of Akt phosphorylation. In conclusion, the results of the present study indicated that simvastatin significantly promoted apoptosis in HCC cells, the mechanism of which may have proceeded via the upregualtion of the Notch1 gene in the Akt‑dependent signaling pathway.
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