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Raghuwanshi S, Zhang X, Arbieva Z, Khan I, Mohammed H, Wang Z, Domling A, Camacho CJ, Gartel AL. Novel FOXM1 inhibitor STL001 sensitizes human cancers to a broad-spectrum of cancer therapies. Cell Death Discov 2024; 10:211. [PMID: 38697979 PMCID: PMC11066125 DOI: 10.1038/s41420-024-01929-0] [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: 01/22/2024] [Revised: 03/14/2024] [Accepted: 03/22/2024] [Indexed: 05/05/2024] Open
Abstract
Forkhead box protein M1 (FOXM1) is often overexpressed in human cancers and strongly associated with therapy resistance and less good patient survival. The chemotherapy options for patients with the most aggressive types of solid cancers remain very limited because of the acquired drug resistance, making the therapy less effective. NPM1 mutation through the inactivation of FOXM1 via FOXM1 relocalization to the cytoplasm confers more favorable treatment outcomes for AML patients, confirming FOXM1 as a crucial target to overcome drug resistance. Pharmacological inhibition of FOXM1 could be a promising approach to sensitize therapy-resistant cancers. Here, we explore a novel FOXM1 inhibitor STL001, a first-generation modification drug of our previously reported FOXM1 inhibitor STL427944. STL001 preserves the mode of action of the STL427944; however, STL001 is up to 50 times more efficient in reducing FOXM1 activity in a variety of solid cancers. The most conventional cancer therapies studied here induce FOXM1 overexpression in solid cancers. The therapy-induced FOXM1 overexpression may explain the failure or reduced efficacy of these drugs in cancer patients. Interestingly, STL001 increased the sensitivity of cancer cells to conventional cancer therapies by suppressing both the high-endogenous and drug-induced FOXM1. Notably, STL001 does not provide further sensitization to FOXM1-KD cancer cells, suggesting that the sensitization effect is conveyed specifically through FOXM1 suppression. RNA-seq and gene set enrichment studies revealed prominent suppression of FOXM1-dependent pathways and gene ontologies. Also, gene regulation by STL001 showed extensive overlap with FOXM1-KD, suggesting a high selectivity of STL001 toward the FOXM1 regulatory network. A completely new activity of FOXM1, mediated through steroid/cholesterol biosynthetic process and protein secretion in cancer cells was also detected. Collectively, STL001 offers intriguing translational opportunities as combination therapies targeting FOXM1 activity in a variety of human cancers driven by FOXM1.
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Affiliation(s)
| | - Xu Zhang
- University of Illinois at Chicago, Department of Medicine, Chicago, IL, USA
| | - Zarema Arbieva
- University of Illinois at Chicago, Department of Medicine, Chicago, IL, USA
| | - Irum Khan
- Northwestern University, Chicago, IL, USA
| | - Hisham Mohammed
- Oregon Health & Science University, Knight Cancer Institute, School of Medicine, Chicago, IL, USA
| | - Z Wang
- The Czech Advanced Technology and Research Institute (CATRIN) of Palacký University, Chicago, IL, USA
| | - Alexander Domling
- The Czech Advanced Technology and Research Institute (CATRIN) of Palacký University, Chicago, IL, USA.
| | - Carlos Jaime Camacho
- Department of Computational and Systems Biology, University of Pittsburgh, Chicago, IL, USA.
| | - Andrei L Gartel
- University of Illinois at Chicago, Department of Medicine, Chicago, IL, USA.
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Gartel A, Raghuwanshi S, Zhang X, Arbieva Z, Khan I, Wang Z, Domling A, Camacho C. [WITHDRAWN] Novel FOXM1 inhibitor STL001 sensitizes human cancers to a broad-spectrum of cancer therapies. RESEARCH SQUARE 2024:rs.3.rs-3711759. [PMID: 38234752 PMCID: PMC10793495 DOI: 10.21203/rs.3.rs-3711759/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
The full text of this preprint has been withdrawn by the authors while they make corrections to the work. Therefore, the authors do not wish this work to be cited as a reference. Questions should be directed to the corresponding author.
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3
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[WITHDRAWN] Novel FOXM1 inhibitor STL001 sensitizes human cancers to a broad-spectrum of cancer therapies. RESEARCH SQUARE 2024:rs.3.rs-3711759. [PMID: 38234752 PMCID: PMC10793495 DOI: 10.21203/rs.3.rs-3711759/v2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
The full text of this preprint has been withdrawn by the authors while they make corrections to the work. Therefore, the authors do not wish this work to be cited as a reference. Questions should be directed to the corresponding author.
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4
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Farooq F, Amin A, Wani UM, Lone A, Qadri RA. Shielding and nurturing: Fibronectin as a modulator of cancer drug resistance. J Cell Physiol 2023; 238:1651-1669. [PMID: 37269547 DOI: 10.1002/jcp.31048] [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: 03/22/2023] [Revised: 05/02/2023] [Accepted: 05/10/2023] [Indexed: 06/05/2023]
Abstract
Resistance to chemotherapy and targeted therapies constitute a common hallmark of most cancers and represent a dominant factor fostering tumor relapse and metastasis. Fibronectin, an abundant extracellular matrix glycoprotein, has long been proposed to play an important role in the pathobiology of cancer. Recent research has unraveled the role of Fibronectin in the onset of chemoresistance against a variety of antineoplastic drugs including DNA-damaging agents, hormone receptor antagonists, tyrosine kinase inhibitors, microtubule destabilizing agents, etc. The current review summarizes the role played by Fibronectin in mediating drug resistance against diverse anticancer drugs. We have also discussed how the aberrant expression of Fibronectin drives the oncogenic signaling pathways ultimately leading to drug resistance through the inhibition of apoptosis, promotion of cancer cell growth and proliferation.
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Affiliation(s)
- Faizah Farooq
- Department of Biotechnology, University of Kashmir, Srinagar, Jammu and Kashmir, India
| | - Asif Amin
- Department of Biotechnology, University of Kashmir, Srinagar, Jammu and Kashmir, India
| | - Umer Majeed Wani
- Department of Biotechnology, University of Kashmir, Srinagar, Jammu and Kashmir, India
| | - Asif Lone
- Department of Biochemistry, Deshbandu College, University of Delhi, Delhi, India
| | - Raies A Qadri
- Department of Biotechnology, University of Kashmir, Srinagar, Jammu and Kashmir, India
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5
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Liu R, Liang X, Guo H, Li S, Yao W, Dong C, Wu J, Lu Y, Tang J, Zhang H. STNM1 in human cancers: role, function and potential therapy sensitizer. Cell Signal 2023:110775. [PMID: 37331415 DOI: 10.1016/j.cellsig.2023.110775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/23/2023] [Accepted: 06/14/2023] [Indexed: 06/20/2023]
Abstract
STMN1 belongs to the stathmin gene family, it encodes a cytoplasmic phosphorylated protein, stathmin1, which is commonly observed in vertebrate cells. STMN1 is a structural microtubule-associated protein (MAP) that binds to microtubule protein dimers rather than microtubules, with each STMN1 binding two microtubule protein dimers and preventing their aggregation, leading to microtubule instability. STMN1 expression is elevated in a number of malignancies, and inhibition of its expression can interfere with tumor cell division. Its expression can change the division of tumor cells, thereby arresting cell growth in the G2/M phase. Moreover, STMN1 expression affects tumor cell sensitivity to anti-microtubule drug analogs, including vincristine and paclitaxel. The research on MAPs is limited, and new insights on the mechanism of STMN1 in different cancers are emerging. The effective application of STMN1 in cancer prognosis and treatment requires further understanding of this protein. Here, we summarize the general characteristics of STMN1 and outline how STMN1 plays a role in cancer development, targeting multiple signaling networks and acting as a downstream target for multiple microRNAs, circRNAs, and lincRNAs. We also summarize recent findings on the function role of STMN1 in tumor resistance and as a therapeutic target for cancer.
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Affiliation(s)
- Ruiqi Liu
- Cancer Center, Department of Radiation Oncology, Zhejiang Provincial People's Hospital, (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou Medical College, Hangzhou, Zhejiang, China; Graduate Department, Bengbu Medical College, Bengbu, Anhui, China
| | - Xiaodong Liang
- Cancer Center, Department of Radiation Oncology, Zhejiang Provincial People's Hospital, (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou Medical College, Hangzhou, Zhejiang, China; Graduate Department, Bengbu Medical College, Bengbu, Anhui, China
| | - Haiwei Guo
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital, (Affiliated People's Hospital Hangzhou Medical College), Hangzhou, Zhejiang, China
| | - Shuang Li
- Cancer Center, Department of Radiation Oncology, Zhejiang Provincial People's Hospital, (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Weiping Yao
- Cancer Center, Department of Radiation Oncology, Zhejiang Provincial People's Hospital, (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou Medical College, Hangzhou, Zhejiang, China; Graduate Department, Bengbu Medical College, Bengbu, Anhui, China
| | - Chenfang Dong
- Cancer Center, Department of Radiation Oncology, Zhejiang Provincial People's Hospital, (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou Medical College, Hangzhou, Zhejiang, China; Zhejiang Key Laboratory for Disease Proteomics, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiajun Wu
- Graduate Department, Bengbu Medical College, Bengbu, Anhui, China; Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital, (Affiliated People's Hospital Hangzhou Medical College), Hangzhou, Zhejiang, China
| | - Yanwei Lu
- Cancer Center, Department of Radiation Oncology, Zhejiang Provincial People's Hospital, (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Jianming Tang
- Department of Radiation Oncology, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Haibo Zhang
- Cancer Center, Department of Radiation Oncology, Zhejiang Provincial People's Hospital, (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou Medical College, Hangzhou, Zhejiang, China.
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Sun B, Lovell JF, Zhang Y. Current development of cabazitaxel drug delivery systems. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1854. [PMID: 36161272 DOI: 10.1002/wnan.1854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 07/23/2022] [Accepted: 08/30/2022] [Indexed: 11/08/2022]
Abstract
The second-generation taxane cabazitaxel has been clinically approved for the treatment of metastatic castration-resistant prostate cancer after docetaxel failure. Compared with the first-generation taxanes paclitaxel and docetaxel, cabazitaxel has potent anticancer activity and is less prone to drug resistance due to its lower affinity for the P-gp efflux pump. The relatively high hydrophobicity of cabazitaxel and the poor aqueous colloidal stability of the commercial formulation, following its preparation for injection, presents opportunities for new cabazitaxel formulations with improved features. This review provides an overview of cabazitaxel drug formulations and hydrophobic taxane drug delivery systems in general, and particularly focuses on emerging cabazitaxel delivery systems discovered in the past 5 years. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease Therapeutic Approaches and Drug Discovery > Emerging Technologies.
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Affiliation(s)
- Boyang Sun
- School of Chemical Engineering and Technology, Key Laboratory of Systems Bioengineering (Ministry of Education), Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin, China
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York, USA
| | - Yumiao Zhang
- School of Chemical Engineering and Technology, Key Laboratory of Systems Bioengineering (Ministry of Education), Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin, China
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7
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Yang Z, Liu T, Ren X, Yang M, Tu C, Li Z. Mir-34a: a regulatory hub with versatile functions that controls osteosarcoma networks. Cell Cycle 2022; 21:2121-2131. [PMID: 35699451 DOI: 10.1080/15384101.2022.2087755] [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: 11/03/2022] Open
Abstract
Osteosarcoma (OS) is one of the most prevalent and highly aggressive bone malignancies. The treatment strategies of OS is under standard regimens, including surgical resection, chemotherapy, and other adjuvant therapy. However, the 5-year survival rate is still unsatisfactory. Previous studies have demonstrated that the expression of miR-34a decreases in osteosarcoma, which is involved in regulating numerous genes directly or indirectly at the post-transcriptional level and other pathways. Thus, miR-34a plays an important role in mediating OS cell proliferation, differentiation, migration, and apoptosis, and might be a pivotal biomarker for OS with diagnostic and therapeutic potentials. In this review, we aim to summarize the relationship between miR-34a and OS, with an emphasis on the specific mechanisms in OS development referring to miR-34a. Moreover, the potential role of miR-34a as a diagnostic, prognostic, and therapeutic candidate for OS would be presented in detail. However, the molecular mechanisms related to miR-34a and OS remain elusive, and more investigations are needed to reach a comprehensive understanding.
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Affiliation(s)
- Zhimin Yang
- Department of Orthopaedics, The Second Xiangya Hospital of Central South University, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital of Central South University, Hunan, China
| | - Tang Liu
- Department of Orthopaedics, The Second Xiangya Hospital of Central South University, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital of Central South University, Hunan, China
| | - Xiaolei Ren
- Department of Orthopaedics, The Second Xiangya Hospital of Central South University, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital of Central South University, Hunan, China
| | - Mei Yang
- Department of Orthopaedics, The Second Xiangya Hospital of Central South University, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital of Central South University, Hunan, China
| | - Chao Tu
- Department of Orthopaedics, The Second Xiangya Hospital of Central South University, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital of Central South University, Hunan, China
| | - Zhihong Li
- Department of Orthopaedics, The Second Xiangya Hospital of Central South University, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital of Central South University, Hunan, China
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8
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Yang MH, Baek SH, Hwang ST, Um JY, Ahn KS. Corilagin exhibits differential anticancer effects through the modulation of STAT3/5 and MAPKs in human gastric cancer cells. Phytother Res 2022; 36:2449-2462. [PMID: 35234310 DOI: 10.1002/ptr.7419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 01/28/2022] [Accepted: 01/29/2022] [Indexed: 12/24/2022]
Abstract
Corilagin (CLG) is a hydrolyzable tannin and possesses various pharmacological activities. Here, we investigated the impact of CLG as an anti-tumor agent against human gastric tumor cells. We observed that CLG could cause negative regulation of JAKs-Src-STAT3/5 signaling axis in SNU-1 cells, but did not affect these pathways in SNU-16 cells. Interestingly, CLG promoted the induction of mitogen-activated protein kinases (MAPKs) signaling pathways in only SNU-16 cells, but not in the SNU-1 cells. CLG exhibited apoptotic effects that caused an increased accumulation of the cells in sub-G1 phase and caspase-3 activation in both SNU-1 and SNU-16 cell lines. We also noticed that CLG and docetaxel co-treatment could exhibit significantly enhanced apoptotic effects against SNU-1 cells. Moreover, the combinations treatment of CLG and docetaxel markedly inhibited cell growth, phosphorylation of JAK-Src-STAT3 and induced substantial apoptosis. Additionally, pharmacological inhibition of JNK, p38, and ERK substantially blocked CLG-induced activation of MAPKs, cell viability, and apoptosis, thereby implicating the pivotal role of MAPKs in the observed anti-cancer effects of CLG. Taken together, our data suggest that CLG could effectively block constitutive STAT3/5 activation in SNU-1 cells but induce sustained MAPKs activation in SNU-16 cells.
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Affiliation(s)
- Min Hee Yang
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul, Republic of Korea.,Department of Science in Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Seung Ho Baek
- College of Korean Medicine, Dongguk University, Goyang-si, South Korea
| | - Sun Tae Hwang
- Department of Science in Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Jae-Young Um
- Department of Science in Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Kwang Seok Ahn
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul, Republic of Korea.,Department of Science in Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
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9
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Bailly C. The bacterial thiopeptide thiostrepton. An update of its mode of action, pharmacological properties and applications. Eur J Pharmacol 2022; 914:174661. [PMID: 34863996 DOI: 10.1016/j.ejphar.2021.174661] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 11/29/2021] [Indexed: 12/20/2022]
Abstract
The bacterial thiopeptide thiostrepton (TS) is used as a veterinary medicine to treat bacterial infections. TS is a protein translation inhibitor, essentially active against Gram-positive bacteria and some Gram-negative bacteria. In procaryotes, TS abrogates binding of GTPase elongation factors to the 70S ribosome, by altering the structure of rRNA-L11 protein complexes. TS exerts also antimalarial effects by disrupting protein synthesis in the apicoplast genome of Plasmodium falciparum. Interestingly, the drug targets both the infectious pathogen (bacteria or parasite) and host cell, by inducing endoplasmic reticulum stress-mediated autophagy which contributes to enhance the host cell defense. In addition, TS has been characterized as a potent chemical inhibitor of the oncogenic transcription factor FoxM1, frequently overexpressed in cancers or other diseases. The capacity of TS to crosslink FoxM1, and a few other proteins such as peroxiredoxin 3 (PRX3) and the 19S proteasome, contributes to the anticancer effects of the thiopeptide. The anticancer activities of TS evidenced using diverse tumor cell lines, in vivo models and drug combinations are reviewed here, together with the implicated targets and mechanisms. The difficulty to formulate TS is a drag on the pharmaceutical development of the natural product. However, the design of hemisynthetic analogues and the use of micellar drug delivery systems should facilitate a broader utilization of the compound in human and veterinary medicines. This review shed light on the many pharmacological properties of TS, with the objective to promote its use as a pharmacological tool and medicinal product.
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Affiliation(s)
- Christian Bailly
- OncoWitan, Scientific Consulting Office, Lille, Wasquehal, 59290, France.
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10
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Zhang SX, Liu W, Ai B, Sun LL, Chen ZS, Lin LZ. Current Advances and Outlook in Gastric Cancer Chemoresistance: A Review. Recent Pat Anticancer Drug Discov 2021; 17:26-41. [PMID: 34587888 DOI: 10.2174/1574892816666210929165729] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 08/19/2021] [Accepted: 09/20/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Surgical resection of the lesion is the standard primary treatment of gastric cancer. Unfortunately, most patients are already in the advanced stage of the disease when they are diagnosed with gastric cancer. Alternative therapies, such as radiation therapy and chemotherapy, can achieve only very limited benefits. The emergence of cancer drug resistance has always been the major obstacle to the cure of tumors. The main goal of modern cancer pharmacology is to determine the underlying mechanism of anticancer drugs. OBJECTIVE Here, we mainly review the latest research results related to the mechanism of chemotherapy resistance in gastric cancer, the application of natural products in overcoming the chemotherapy resistance of gastric cancer, and the new strategies currently being developed to treat tumors based on immunotherapy and gene therapy. CONCLUSION The emergence of cancer drug resistance is the main obstacle in achieving alleviation and final cure for gastric cancer. Mixed therapies are considered to be a possible way to overcome chemoresistance. Natural products are the main resource for discovering new drugs specific for treating chemoresistance, and further research is needed to clarify the mechanism of natural product activity in patients. .
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Affiliation(s)
- Sheng-Xiong Zhang
- Guangdong Province Work Injury Rehabilitation Hospital, Guangzhou, 510440. China
| | - Wei Liu
- College of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510006. China
| | - Bo Ai
- Huazhong University of Science and Technology, Wuhan, 430030. China
| | - Ling-Ling Sun
- The First Affiliated Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510405. China
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, St. John's University, Queens, NY 11439, New York. United States
| | - Li-Zhu Lin
- The First Affiliated Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510405. China
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Ramos A, Sadeghi S, Tabatabaeian H. Battling Chemoresistance in Cancer: Root Causes and Strategies to Uproot Them. Int J Mol Sci 2021; 22:9451. [PMID: 34502361 PMCID: PMC8430957 DOI: 10.3390/ijms22179451] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/28/2021] [Accepted: 08/30/2021] [Indexed: 02/07/2023] Open
Abstract
With nearly 10 million deaths, cancer is the leading cause of mortality worldwide. Along with major key parameters that control cancer treatment management, such as diagnosis, resistance to the classical and new chemotherapeutic reagents continues to be a significant problem. Intrinsic or acquired chemoresistance leads to cancer recurrence in many cases that eventually causes failure in the successful treatment and death of cancer patients. Various determinants, including tumor heterogeneity and tumor microenvironment, could cause chemoresistance through a diverse range of mechanisms. In this review, we summarize the key determinants and the underlying mechanisms by which chemoresistance appears. We then describe which strategies have been implemented and studied to combat such a lethal phenomenon in the management of cancer treatment, with emphasis on the need to improve the early diagnosis of cancer complemented by combination therapy.
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Affiliation(s)
- Alisha Ramos
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117545, Singapore;
| | - Samira Sadeghi
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore;
- Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), Singapore 138672, Singapore
| | - Hossein Tabatabaeian
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore
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Novel FOXM1 inhibitor identified via gene network analysis induces autophagic FOXM1 degradation to overcome chemoresistance of human cancer cells. Cell Death Dis 2021; 12:704. [PMID: 34262016 PMCID: PMC8280155 DOI: 10.1038/s41419-021-03978-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/08/2021] [Accepted: 06/15/2021] [Indexed: 12/13/2022]
Abstract
FOXM1 transcription factor is an oncogene and a master regulator of chemoresistance in multiple cancers. Pharmacological inhibition of FOXM1 is a promising approach but has proven to be challenging. We performed a network-centric transcriptomic analysis to identify a novel compound STL427944 that selectively suppresses FOXM1 by inducing the relocalization of nuclear FOXM1 protein to the cytoplasm and promoting its subsequent degradation by autophagosomes. Human cancer cells treated with STL427944 exhibit increased sensitivity to cytotoxic effects of conventional chemotherapeutic treatments (platinum-based agents, 5-fluorouracil, and taxanes). RNA-seq analysis of STL427944-induced gene expression changes revealed prominent suppression of gene signatures characteristic for FOXM1 and its downstream targets but no significant changes in other important regulatory pathways, thereby suggesting high selectivity of STL427944 toward the FOXM1 pathway. Collectively, the novel autophagy-dependent mode of FOXM1 suppression by STL427944 validates a unique pathway to overcome tumor chemoresistance and improve the efficacy of treatment with conventional cancer drugs.
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13
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Zarin B, Eshraghi A, Zarifi F, Javanmard SH, Laher I, Amin B, Vaseghi G. A review on the role of tau and stathmin in gastric cancer metastasis. Eur J Pharmacol 2021; 908:174312. [PMID: 34245746 DOI: 10.1016/j.ejphar.2021.174312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 06/22/2021] [Accepted: 07/05/2021] [Indexed: 02/07/2023]
Abstract
Gastric cancer is resistant to chemotherapy, especially in the later stages. The prevalence of gastric cancer increases after the age of 40, and its peak is in the 7th decade of life. The proteins tau (tubulin associated unit) and stathmin are overexpressed in gastric cancer and contribute to the progression of the disease by increasing cancer cell proliferation, invasion, and inducing drug resistance. This review summarizes the current knowledge on the expression of tau protein and stathmin in gastric cancer and their roles in drug resistance. Medline and PubMed databases were searched from 1990 till February 2021 for the terms "tau protein", "stathmin", and "gastric cancer." Two reviewers screened all articles and assessed prognostic studies on the role of tau and stathmin proteins in gastric cancer progression. Collectively, studies reported that both proteins are expressed at different concentrations in gastric cancer and could be significant molecular biomarkers for prognosis. Both proteins could be good candidates for targeted therapy of gastric cancer and are associated with resistance to taxanes.
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Affiliation(s)
- Bahareh Zarin
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Azadeh Eshraghi
- Department of Clinical Pharmacy, Iran University of Medical Sciences, Tehran, Iran
| | - Farzaneh Zarifi
- Department of Pharmacology, Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shaghayegh Haghjooy Javanmard
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ismail Laher
- Department of Anesthesiology, Pharmacology and Therapeutics, The University of British Columbia, Vancouver, V6T 1Z3, Canada
| | - Bahareh Amin
- Cellular and Molecular Research Center, Department of Physiology and Pharmacology, Faculty of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Golnaz Vaseghi
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.
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14
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Liu C, Barger CJ, Karpf AR. FOXM1: A Multifunctional Oncoprotein and Emerging Therapeutic Target in Ovarian Cancer. Cancers (Basel) 2021; 13:3065. [PMID: 34205406 PMCID: PMC8235333 DOI: 10.3390/cancers13123065] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/11/2021] [Accepted: 06/16/2021] [Indexed: 02/08/2023] Open
Abstract
Forkhead box M1 (FOXM1) is a member of the conserved forkhead box (FOX) transcription factor family. Over the last two decades, FOXM1 has emerged as a multifunctional oncoprotein and a robust biomarker of poor prognosis in many human malignancies. In this review article, we address the current knowledge regarding the mechanisms of regulation and oncogenic functions of FOXM1, particularly in the context of ovarian cancer. FOXM1 and its associated oncogenic transcriptional signature are enriched in >85% of ovarian cancer cases and FOXM1 expression and activity can be enhanced by a plethora of genomic, transcriptional, post-transcriptional, and post-translational mechanisms. As a master transcriptional regulator, FOXM1 promotes critical oncogenic phenotypes in ovarian cancer, including: (1) cell proliferation, (2) invasion and metastasis, (3) chemotherapy resistance, (4) cancer stem cell (CSC) properties, (5) genomic instability, and (6) altered cellular metabolism. We additionally discuss the evidence for FOXM1 as a cancer biomarker, describe the rationale for FOXM1 as a cancer therapeutic target, and provide an overview of therapeutic strategies used to target FOXM1 for cancer treatment.
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Affiliation(s)
| | | | - Adam R. Karpf
- Eppley Institute and Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68918-6805, USA; (C.L.); (C.J.B.)
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15
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Kalathil D, John S, Nair AS. FOXM1 and Cancer: Faulty Cellular Signaling Derails Homeostasis. Front Oncol 2021; 10:626836. [PMID: 33680951 PMCID: PMC7927600 DOI: 10.3389/fonc.2020.626836] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 12/30/2020] [Indexed: 12/13/2022] Open
Abstract
Forkhead box transcription factor, FOXM1 is implicated in several cellular processes such as proliferation, cell cycle progression, cell differentiation, DNA damage repair, tissue homeostasis, angiogenesis, apoptosis, and redox signaling. In addition to being a boon for the normal functioning of a cell, FOXM1 turns out to be a bane by manifesting in several disease scenarios including cancer. It has been given an oncogenic status based on several evidences indicating its role in tumor development and progression. FOXM1 is highly expressed in several cancers and has also been implicated in poor prognosis. A comprehensive understanding of various aspects of this molecule has revealed its role in angiogenesis, invasion, migration, self- renewal and drug resistance. In this review, we attempt to understand various mechanisms underlying FOXM1 gene and protein regulation in cancer including the different signaling pathways, post-transcriptional and post-translational modifications. Identifying crucial molecules associated with these processes can aid in the development of potential pharmacological approaches to curb FOXM1 mediated tumorigenesis.
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Affiliation(s)
- Dhanya Kalathil
- Cancer Research Program-4, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, India
| | - Samu John
- Cancer Research Program-4, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, India.,Research Centre, University of Kerala, Thiruvananthapuram, India
| | - Asha S Nair
- Cancer Research Program-4, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, India.,Research Centre, University of Kerala, Thiruvananthapuram, India
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16
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Yu H, Xu Z, Guo M, Wang W, Zhang W, Liang S, Xu Z, Ye J, Zhu G, Zhang C, Lin J. FOXM1 modulates docetaxel resistance in prostate cancer by regulating KIF20A. Cancer Cell Int 2020; 20:545. [PMID: 33292277 PMCID: PMC7653758 DOI: 10.1186/s12935-020-01631-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 10/29/2020] [Indexed: 12/16/2022] Open
Abstract
Background Docetaxel resistance affects prognosis in advanced prostate cancer (PCa). The precise mechanisms remain unclear. Transcription factor Forkhead box M1 (FOXM1), which participates in cell proliferation and cell cycle progression, has been reported to affect the sensitivity of chemotherapy. This study explores the role of FOXM1 in PCa docetaxel resistance and its association with kinesin family member 20 A (KIF20A), which is known to promote therapeutic resistance in some cancers. Methods We monitored cell growth using MTT and colony formation assays, and cell apoptosis and cell cycle progression using flow cytometry. Wound-healing and transwell assays were used to detect cell invasion and migration. mRNA and protein expression were analyzed using quantitative reverse transcription polymerase chain reaction (qRT-PCR) and western blotting. We monitored FOXM1 binding to the KIF20A promoter using a ChIP assay. Tumorigenicity in nude mice was used to assess in vivo tumorigenicity. Results FOXM1 knockdown induced cell apoptosis and G2/M cell cycle arrest, suppressing cell migration and invasion in docetaxel-resistant PCa cell lines (DU145-DR and VCaP-DR). Exogenous FOXM1 overexpression was found in their parental cells. Specific FOXM1 inhibitor thiostrepton significantly weakened docetaxel resistance in vitro and in vivo. We also found that FOXM1 and KIF20A exhibited consistent and highly correlated overexpression in PCa cells and tissues. FOXM1 also regulated KIF20A expression at the transcriptional level by acting directly on a Forkhead response element (FHRE) in its promoter. KIF20A overexpression could partially reverse the effect on cell proliferation, cell cycle proteins (cyclinA2, cyclinD1 and cyclinE1) and apoptosis protein (bcl-2 and PARP) of FOXM1 depletion. Conclusions Our findings indicate that highly expressed FOXM1 may help promote docetaxel resistance by inducing KIF20A expression, providing insight into novel chemotherapeutic strategies for combatting PCa docetaxel resistance.
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Affiliation(s)
- Hongbo Yu
- Department of Urology, BenQ Medical Center, Nanjing Medical University, Nanjing, China
| | - Zheng Xu
- Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Maomao Guo
- Department of Urology, Hospital Affiliated 5 to Nantong University (Taizhou People's Hospital), No. 366, Taihu Road, Taizhou, China
| | - Weiwan Wang
- Central Laboratory, BenQ Medical Center, Nanjing Medical University, Nanjing, China
| | - Weican Zhang
- The First Clinical Medical College, Nanjing Medical University, Nanjing, China
| | - Sudong Liang
- Department of Urology, Hospital Affiliated 5 to Nantong University (Taizhou People's Hospital), No. 366, Taihu Road, Taizhou, China
| | - Zhibin Xu
- Central Laboratory, BenQ Medical Center, Nanjing Medical University, Nanjing, China
| | - Jun Ye
- Central Laboratory, Hospital Affiliated 5 to Nantong University (Taizhou People's Hospital), Taizhou, China
| | - Gangyi Zhu
- Central Laboratory, BenQ Medical Center, Nanjing Medical University, Nanjing, China
| | - Chenyang Zhang
- Central Laboratory, BenQ Medical Center, Nanjing Medical University, Nanjing, China
| | - Jianzhong Lin
- Department of Urology, Hospital Affiliated 5 to Nantong University (Taizhou People's Hospital), No. 366, Taihu Road, Taizhou, China.
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Wang K, Zhu X, Yin Y. Maslinic Acid Enhances Docetaxel Response in Human Docetaxel-Resistant Triple Negative Breast Carcinoma MDA-MB-231 Cells via Regulating MELK-FoxM1-ABCB1 Signaling Cascade. Front Pharmacol 2020; 11:835. [PMID: 32581798 PMCID: PMC7295941 DOI: 10.3389/fphar.2020.00835] [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: 04/14/2020] [Accepted: 05/21/2020] [Indexed: 01/11/2023] Open
Abstract
Docetaxel (DOC) is the most important chemotherapeutic drug for the treatment of triple negative breast cancer (TNBC); however, acquired drug resistance upon the long-term treatment limits its therapeutic effect. Maslinic acid (MA), a natural triterpene from Olea europaea L., attracts increasing interest in recent years because of its promising anti-cancer activity, but the reversal effect of MA on drug resistance in cancer therapy is rarely explored. In this study, the combined effect of DOC and MA on human docetaxel-resistant triple negative breast carcinoma MDA-MB-231 (MDA-MB-231/DOC) cells was investigated. The enhanced effect of MA on DOC cytotoxicity and DOC accumulation was assessed by MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay and HPLC (high performance liquid chromatography) analysis in MDA-MB-231/DOC cells. Western blot, co-immunoprecipitation assay, luciferase reporter assay, and chromatin immunoprecipitation (ChIP) assay were performed for exploring the underlying mechanisms. Our data indicated that the co-treatment of MA could dose-dependently enhance DOC sensitivity and cellular DOC accumulation in MDA-MB-231/DOC cells. Moreover, MELK-FoxM1-ABCB1 signaling cascade was confirmed to contribute to DOC resistance in MDA-MB-231/DOC cells. In such process, MA directly suppressed expressions and interaction of MELK and FoxM1 as well as the transcriptional activity of FoxM1, and thus reducing the expression of ABCB1. Overall, our study suggests that the combined use of DOC and MA may be helpful for overcoming DOC resistance in human TNBC therapy.
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Affiliation(s)
- Ke Wang
- NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi, China
| | - Xue Zhu
- NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi, China
| | - Yongxiang Yin
- Department of Pathology, the Affiliated Maternity and Children Health Hospital of Nanjing Medical University, Wuxi, China
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18
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Zhu X, Yu M, Wang K, Zou W, Zhu L. FoxM1 affects adhesive, migratory, and invasive abilities of human retinoblastoma Y-79 cells by targeting matrix metalloproteinase 2. Acta Biochim Biophys Sin (Shanghai) 2020; 52:294-301. [PMID: 32152631 DOI: 10.1093/abbs/gmz160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/01/2019] [Accepted: 11/06/2019] [Indexed: 12/22/2022] Open
Abstract
Forkhead box protein M1 (FoxM1) is an important transcription factor involved in various pathological processes including tumor metastasis. The changes of adhesive, migratory, and invasive abilities are considered as crucial events in tumor metastasis progression. In this study, we aimed to investigate the correlation between FoxM1 and retinoblastoma (Rb) metastasis and to explore the detailed mechanism. Wound healing, cell adhesion, and invasion assays showed that FoxM1 overexpression induced epithelial-mesenchymal transition in Y-79 cells and inhibited adhesion and subsequently promoted metastasis of Y-79 cells, while FoxM1 knockdown showed the opposite effects. A luciferase reporter assay and chromatin immunoprecipitation assay provided evidence that FoxM1 promoted matrix metalloproteinase 2 (MMP2) transcription by directly binding to and promoting MMP2 promoter. MMP2 knockdown by siRNA transfection attenuated cell metastasis of Y-79 cells induced by FoxM1 overexpression. Furthermore, the FoxM1-binding site mapped between -1167 and -1161 bp of the MMP2 promoter was identified. Our results suggested that the FoxM1-MMP2 axis plays an important role in Rb metastasis, which may be a novel target for designing therapeutic regimen to control Rb metastasis.
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Affiliation(s)
- Xue Zhu
- NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Mengxi Yu
- Department of Ophthalmology, The Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi 214002, Jiangsu, China
| | - Ke Wang
- NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Wenjun Zou
- Department of Ophthalmology, The Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi 214002, Jiangsu, China
| | - Ling Zhu
- Save Sight Institute, University of Sydney, Sydney, New South Wales 2000, Australia
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Akbari V, Kallhor M, Mollashahi B, Movafagh A. Transcriptome and Network Dissection of Microsatellite Stable and Highly Instable Colorectal Cancer. Asian Pac J Cancer Prev 2019; 20:2445-2454. [PMID: 31450919 PMCID: PMC6852802 DOI: 10.31557/apjcp.2019.20.8.2445] [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: 05/18/2019] [Indexed: 12/24/2022] Open
Abstract
Background: Colorectal cancer (CRC) is one of the most common cancers worldwide with high number of mortality every year. Microsatellite instability (MSI) is a considerable feature of CRC which affects prognosis and treatment. High level of MSI or MSI-high (MSI-H) colorectal cancer has better prognosis and immunotherapy response, while microsatellite stable (MSS) CRC has better response to 5-fluorouracil (5-FU)-based chemotherapy. More studies are needed, specifically on MSS CRC which has worse prognosis, to further reveal biological differences and similarities between MSS and MSI colorectal cancer, which may equip us with the knowledge to develop more promising therapeutic approaches to target both types or be more effective for each type. Methods: We aimed to find affected biological processes and their regulators in both type, MSS and MSI-H, of CRC; as well as reveal specific ones in each type. We applied meta- and network analysis on freely available transcriptome data in MSS and MSI-H colorectal cancer from gene expression omnibus (GEO) database to detect common differentially expressed genes (DEGs) and critical biological processes and predict their most significant regulators. Results: Our results demonstrate considerable up and downregulation in cell cycle and lipid catabolism processes, respectively; and introduced MYC and FOXM1 as two central and up-stream regulators of DEGs in both type of CRC. Chemokine-mediated processes displayed up-regulation in MSI-H type, while metastasis-related processes showed more activation in MSS CRC. Additionally, DACH1 and TP53 were detected as two important transcription factors that differentially expressed just in MSS and MSI-H, respectively. Conclusion: Our results can explain why MSI and MSS CRC display different immunotherapy response, prognosis, and metastasis feature. Moreover, our predicted up-stream regulators in the regulatory networks may be promising therapeutic targets.
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Affiliation(s)
- Vahid Akbari
- Department of Medical Genetics, Faculty of Medicine, University of British Columbia, Vancouver, BC Canada. ,
| | - Marzieh Kallhor
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Behrouz Mollashahi
- Department of Cellular-Molecular Biology, Faculty of Biological Sciences and Technologies Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abolfazl Movafagh
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Zhang D, Wu JR, Duan XJ, Wang KH, Zhao Y, Ni MW, Liu SY, Zhang XM, Zhang B. A Bayesian Network Meta-Analysis for Identifying the Optimal Taxane-Based Chemotherapy Regimens for Treating Gastric Cancer. Front Pharmacol 2019; 10:717. [PMID: 31333452 PMCID: PMC6624233 DOI: 10.3389/fphar.2019.00717] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 06/05/2019] [Indexed: 01/30/2023] Open
Abstract
Background: Several taxane-based chemotherapy regimens are effective in the treatment of gastric cancer; nevertheless, their comparative efficacy and safety remain disputed. This network meta-analysis (NMA) was designed to compare the efficacy and safety of different taxane-based chemotherapy regimens against gastric cancer. Methods: A comprehensive search was conducted to identify all relevant randomized controlled trials (RCTs) in multiple electronic databases. A Bayesian NMA was performed to combine the direct and indirect evidence and estimate the comparative efficacy and safety of different taxane-based chemotherapy regimens simultaneously by utilizing WinBUGS 1.4.3 and Stata 13.1 software. The efficacy outcomes included overall survival rate (OS), progression-free survival (PFS), and overall response rate (ORR), and the safety outcomes were adverse reactions (ADRs), namely, neutropenia, leucopenia, vomiting, and fatigue. Results: A total of 37 RCTs were identified involving 7,178 patients with gastric cancer, and 10 taxane-based chemotherapy regimens (RT, T, TC, TCF, TF, TO, TOF, mTCF, mTF, and mTOF) were collected in gastric cancer therapy. According to the results of cluster analysis, compared with other taxane-based chemotherapy regimens, the regimens of TOF, mTCF, and TF were associated with the most favorable clinical efficacy in improving OS, PFS, and ORR. On the other hand, the regimens of T and mTF had the potential to be the most tolerable and acceptable therapeutic alternative in terms of ADRs. Conclusions: The current NMA provides the evidence that the combination of taxanes (paclitaxel or docetaxel) and fluorouracil is associated with the most preferable and beneficial option for patients with gastric cancer, although additional results from multicenter trials and high-quality studies will be pivotal for supporting our findings.
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Affiliation(s)
- Dan Zhang
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Jia-Rui Wu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Xiao-Jiao Duan
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Kai-Huan Wang
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Yi Zhao
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Meng-Wei Ni
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Shu-Yu Liu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Xiao-Meng Zhang
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Bing Zhang
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
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Altered Expression of CD44, SIRT1, CXCR4, miR-21, miR-34a, and miR-451 Genes in MKN-45 Cell Line After Docetaxel Treatment. J Gastrointest Cancer 2019; 51:520-526. [DOI: 10.1007/s12029-019-00274-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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22
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Zhi Y, Abudoureyimu M, Zhou H, Wang T, Feng B, Wang R, Chu X. FOXM1-Mediated LINC-ROR Regulates the Proliferation and Sensitivity to Sorafenib in Hepatocellular Carcinoma. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 16:576-588. [PMID: 31082791 PMCID: PMC6514537 DOI: 10.1016/j.omtn.2019.04.008] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 04/03/2019] [Accepted: 04/03/2019] [Indexed: 01/04/2023]
Abstract
Hepatocellular carcinoma (HCC) is the second leading cause of cancer-associated death worldwide. Indeed, despite the benefit of sorafenib in the treatment of some patients with HCC, the majority of these patients have a poor response to or intolerance of sorafenib, resulting in further tumor progression. Exploring the mechanisms underlying sorafenib resistance is essential to the treatment of HCC. Long noncoding RNAs (lncRNAs) are known as participants in tumorigenesis. In this study, we identified that long intergenic non-protein coding RNA, regulator of reprogramming (LINC-ROR), was upregulated in HCC cell lines, which was transcriptionally activated by FOXM1. Furthermore, the sponging of miR-876-5p by LINC-ROR released FOXM1, thereby forming a positive-feedback loop. Additionally, we demonstrated that upregulation of both FOXM1 and LINC-ROR impaired the sensitivity to sorafenib in HCC cells. The role of this feedback loop was demonstrated by rescue assays. These results revealed a novel molecular feedback loop between LINC-ROR and FOXM1 and elucidated their functions in sorafenib sensitivity of HCC cell lines.
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Affiliation(s)
- Yingru Zhi
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China
| | - Mubalake Abudoureyimu
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China
| | - Hao Zhou
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing Medical University, Nanjing, Jiangsu Province, People's Republic of China
| | - Ting Wang
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China
| | - Bing Feng
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China
| | - Rui Wang
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China.
| | - Xiaoyuan Chu
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China
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Harada K, Ferdous T, Minami H, Mishima K. Prognostic significance of FOXM1 in oral squamous cell carcinoma patients treated by docetaxel-containing regimens. Mol Clin Oncol 2018; 10:29-36. [PMID: 30655974 PMCID: PMC6314082 DOI: 10.3892/mco.2018.1770] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 09/21/2018] [Indexed: 01/27/2023] Open
Abstract
Forkhead box protein M1 (FOXM1) is an oncoprotein that is involved in cell proliferation, differentiation and aging, and overexpression of FOXM1 is thought to be associated with the development and progression of various types of cancer. The expression of FOXM1 was retrospectively examined in tumor tissues taken from 56 oral squamous cell carcinoma (OSCC) patients by immunohistochemical staining. All of these patients received docetaxel (Doc)-containing regimens as treatments against OSCC. The association between FOXM1 expression and the clinicopathological characteristics and prognosis of these patients was then examined. FOXM1 was expressed in the nucleus and cytoplasm of OSCC tissues samples. There was a significant association between FOXM1 expression in tumor tissues and N classification (P=0.0395), stage (P=0.004), therapeutic efficacy (P=0.0113) and outcome (P=0.0134) of patients. However, FOXM1 expression had no association with patients' sex, age or T classification. Additionally, high expression of FOXM1 in tumor cells was associated with a shorter overall survival (P=0.0257) of patients. Multivariate analysis also revealed that elevated expression of FOXM1 was a predictor of patients' poor survival (P=0.0327). The results suggested that high expression of FOXM1 in OSCC tumors may result in reduced therapeutic effects and poor clinical outcomes of patients receiving Doc-based treatment regimens.
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Affiliation(s)
- Koji Harada
- Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Tarannum Ferdous
- Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Haruyasu Minami
- Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Katsuaki Mishima
- Department of Oral and Maxillofacial Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
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Zhu X, Xue L, Yao Y, Wang K, Tan C, Zhuang M, Zhou F, Zhu L. The FoxM1-ABCC4 axis mediates carboplatin resistance in human retinoblastoma Y-79 cells. Acta Biochim Biophys Sin (Shanghai) 2018; 50:914-920. [PMID: 30060118 DOI: 10.1093/abbs/gmy080] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/26/2018] [Indexed: 12/13/2022] Open
Abstract
Carboplatin is the most commonly used drug in the first-line treatment of human retinoblastoma (RB), but its clinical application is greatly limited due to acquired drug resistance upon the long-term treatment. Forkhead box protein M1 (FoxM1) is the transcription factor aberrantly expressed in various types of human cancers, which plays an essential role in the regulation of tumorigenesis, tumor metastasis and drug resistance. However, little is known about the role of FoxM1 in chemo-resistance of human RB. In this study, we investigated the regulatory effect of FoxM1 on carboplatin resistance in human RB Y-79 cells and carboplatin-resistant Y-79 (Y-79CR) cells, as well as the possible mechanism. Our results showed that FoxM1 was up-regulated in Y-79CR cells and silencing of FoxM1 promoted carboplatin sensitivity and accumulation, while overexpression of FoxM1 in Y-79 cells performed oppositely. Our study further revealed that FoxM1 enhanced carboplatin resistance in Y-79CR cells through directly up-regulating the transcription of ATP-binding cassette transporter C4 (ABCC4), an important drug efflux transporter. Overall, our study demonstrated the novel role of FoxM1-ABCC4 axis in human RB, which provides insights into the prevention of carboplatin resistance in human RB.
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Affiliation(s)
- Xue Zhu
- Key Laboratory of Nuclear Medicine, Ministry of Health, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi, China
| | - Lidan Xue
- Department of Ophthalmology, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Yong Yao
- Department of Ophthalmology, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Ke Wang
- Key Laboratory of Nuclear Medicine, Ministry of Health, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi, China
| | - Chengye Tan
- Department of Ophthalmology, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Miao Zhuang
- Department of Ophthalmology, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Fanfan Zhou
- Faculty of Pharmacy, University of Sydney, Sydney, NSW, Australia
| | - Ling Zhu
- Save Sight Institute, University of Sydney, Sydney, NSW, Australia
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Tight correlation between FoxM1 and FoxP3+ Tregs in gastric cancer and their clinical significance. Clin Exp Med 2018; 18:413-420. [PMID: 29804142 DOI: 10.1007/s10238-018-0505-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 05/02/2018] [Indexed: 12/25/2022]
Abstract
The aim of the present study was to investigate the expression of Forkhead box transcription M1 (FoxM1) and Forkhead box transcription P3 (FoxP3) in gastric cancer tissues in order to reveal any correlation between FoxM1, FoxP3 and clinicopathological parameters. Their clinical significance in gastric cancer was also investigated. Immunohistochemistry was used to detect the expression of FoxM1 and FoxP3 in gastric cancer and para-cancer tissues. The clinical significance of FoxM1 and FoxP3 in gastric cancer was explored, and the association between FoxM1 and FoxP3 was further analyzed. As a result, the overexpression of FoxM1 and FoxP3 was evident in gastric cancer (P < 0.001). FoxM1 overexpression was showed to be correlated with late AJCC stage (P = 0.025), while positive tumoral FoxP3 expression was associated with deeper invasion (P = 0.020), lymph node metastasis (P = 0.019) and later AJCC stage (P = 0.024). Overexpression of FoxM1 or FoxP3 was revealed to be negative prognostic factors for survival duration (P < 0.05), whereas only FoxM1 was shown to be independently associated with prognosisin gastric cancer after multivariate analysis (P = 0.020). A significant and positive correlation between FoxM1 and FoxP3 expressions was finally confirmed (P = 0.001). This significantly positive correlation between FoxM1 and FoxP3 prompts that FoxM1 may induce immune inhibition by recruiting FoxP3+ Tregs, leading to the progression of carcinogenesis, invasion and metastasis.
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Wang Q, Lu F, Lan R. RNA-sequencing dissects the transcriptome of polyploid cancer cells that are resistant to combined treatments of cisplatin with paclitaxel and docetaxel. MOLECULAR BIOSYSTEMS 2018; 13:2125-2134. [PMID: 28825433 DOI: 10.1039/c7mb00334j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Overcoming chemoresistance will prevent cancer relapse and contribute to clinical chemotherapy. In order to explore the underlying mechanism of chemoresistance, we firstly incubated cancer cells with a combination of cisplatin + paclitaxel (C + P) or cisplatin + paclitaxel + docetaxel (C + P + D) to mimic the treatment of cancer therapy in the laboratory. We found that polyploidy is a recurring strategy that cells adopt in response to cisplatin-based treatments. RNA-sequencing was performed to identify differentially expressed genes (DEGs) that may contribute to drug resistance. 4830 and 5518 DEGs were discovered in C + P and C + P + D resistant cells, respectively, and 4384 (73.40%) genes were shared. Possible drug resistance genes like Atg14, Abcb1b, Tbx2, Slc2a9, Slc10a3 and Slc22a18 were up-regulated while Foxm1, Bcl2, Brca1, Chek1, Hiatl1 and Abcb9 were down regulated. Genes involved in the pathways of p53 signaling, lysosomes and apoptosis were up-regulated, and in contrast, genes in the cell cycle, DNA replication, and mismatch repair pathways were down-regulated. Moreover, representative proteins relative to DEGs were examined to validate the results of RNA-seq and RT-PCR. Taken together, these results will contribute to revealing the mechanism of chemoresistance and discovering potential prognostic factors for cancer medication.
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Affiliation(s)
- Qianqian Wang
- Key Laboratory of Chemical Genomics, School of Chemical Biology & Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
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FOXM1 contributes to taxane resistance by regulating UHRF1-controlled cancer cell stemness. Cell Death Dis 2018; 9:562. [PMID: 29752436 PMCID: PMC5948215 DOI: 10.1038/s41419-018-0631-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 04/22/2018] [Accepted: 04/26/2018] [Indexed: 12/18/2022]
Abstract
Therapy-induced expansion of cancer stem cells (CSCs) has been identified as one of the most critical factors contributing to therapeutic resistance, but the mechanisms of this adaptation are not fully understood. UHRF1 is a key epigenetic regulator responsible for therapeutic resistance, and controls the self-renewal of stem cells. In the present study, taxane-resistant cancer cells were established and stem-like cancer cells were expanded. UHRF1 was overexpressed in the taxane-resistant cancer cells, which maintained CSC characteristics. UHRF1 depletion overcame taxane resistance in vitro and in vivo. Additionally, FOXM1 has been reported to play a role in therapeutic resistance and the self-renewal of CSCs. FOXM1 and UHRF1 are highly correlated in prostate cancer tissues and cells, FOXM1 regulates CSCs by regulating uhrf1 gene transcription in an E2F-independent manner, and FOXM1 protein directly binds to the FKH motifs at the uhrf1 gene promoter. This present study clarified a novel mechanism by which FOXM1 controls CSCs and taxane resistance through a UHRF1-mediated signaling pathway, and validated FOXM1 and UHRF1 as two potential therapeutic targets to overcome taxane resistance.
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Xie T, Geng J, Wang Y, Wang L, Huang M, Chen J, Zhang K, Xue L, Liu X, Mao X, Chen Y, Wang Q, Dai T, Ren L, Yu H, Wang R, Chen L, Chen C, Chu X. FOXM1 evokes 5-fluorouracil resistance in colorectal cancer depending on ABCC10. Oncotarget 2018; 8:8574-8589. [PMID: 28051999 PMCID: PMC5352423 DOI: 10.18632/oncotarget.14351] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 12/07/2016] [Indexed: 12/16/2022] Open
Abstract
5-Fluorouracil (5-FU) is the most commonly used chemotherapeutic agent for colorectal cancer (CRC). However, frequently occurred 5-FU resistance poses a great challenge in the clinic. Elucidating the underlying mechanisms and developing effective strategies against 5-FU resistance are highly desired. Here we identified the upregulation of FOXM1 in 5-FU nonresponsive CRC patients by gene expression profile analysis and 5-FU-resistant CRC cells by qRT-PCR assay. Silencing of FOXM1 promoted the sensitivity of CRC cells to 5-FU by enhancing cell apoptosis, while overexpression of FOXM1 conferred CRC cells with 5-FU resistance both in vitro and in vivo. Furthermore, we showed that genetic and pharmacological inhibition of FOXM1 resensitized resistant CRC cells to 5-FU treatment. Mechanistically, FOXM1 promoted the transcription of ABCC10 by directly binding to its promoter region. Notably, treatment with ABCC10 inhibitor reversed FOXM1-induced resistance to 5-FU in vivo. Clinical investigation revealed that the levels of FOXM1 and ABCC10 were positively correlated in CRC tissues. Therefore, FOXM1 promotes 5-FU resistance by upregulating ABCC10, suggesting that FOXM1/ABCC10 axis may serve as a potential therapeutic target for 5-FU resistance in CRC patients.
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Affiliation(s)
- Tao Xie
- Department of Medical Oncology, Jinling Hospital, Nanjing Clinical School of Southern Medical University, Nanjing 210002, China
| | - Jian Geng
- Department of Medical Oncology, Jinling Hospital, Nanjing Clinical School of Southern Medical University, Nanjing 210002, China
| | - Ye Wang
- Department of Medical Oncology, Jinling Hospital, Nanjing Clinical School of Southern Medical University, Nanjing 210002, China
| | - Liya Wang
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Mengxi Huang
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Jing Chen
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Kai Zhang
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Lijun Xue
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Xiaobei Liu
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Xiaobei Mao
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Yanan Chen
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Qian Wang
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Tingting Dai
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Lili Ren
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Hongju Yu
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Rui Wang
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Longbang Chen
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Cheng Chen
- Department of Medical Oncology, Jinling Hospital, Nanjing Clinical School of Southern Medical University, Nanjing 210002, China.,Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
| | - Xiaoyuan Chu
- Department of Medical Oncology, Jinling Hospital, Nanjing Clinical School of Southern Medical University, Nanjing 210002, China.,Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
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Treatment with docetaxel in combination with Aneustat leads to potent inhibition of metastasis in a patient-derived xenograft model of advanced prostate cancer. Br J Cancer 2018; 118:802-812. [PMID: 29381682 PMCID: PMC5877435 DOI: 10.1038/bjc.2017.474] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 11/30/2017] [Accepted: 12/01/2017] [Indexed: 01/09/2023] Open
Abstract
Background: Docetaxel used for first-line treatment of advanced prostate cancer (PCa) is only marginally effective. We previously showed, using the LTL-313H subrenal capsule patient-derived metastatic PCa xenograft model, that docetaxel combined with Aneustat (OMN54), a multivalent plant-derived therapeutic, led to marked synergistic tumour growth inhibition. Here, we investigated the effect of docetaxel+Aneustat on metastasis. Methods: C4-2 cells were incubated with docetaxel, Aneustat and docetaxel+Aneustat to assess effects on cell migration. The LTL-313H model, similarly treated, was analysed for effects on lung micro-metastasis and kidney invasion. The LTL-313H gene expression profile was compared with profiles of PCa patients (obtained from Oncomine) and subjected to IPA to determine involvement of cancer driver genes. Results: Docetaxel+Aneustat markedly inhibited C4-2 cell migration and LTL-313H lung micro-metastasis/kidney invasion. Oncomine analysis indicated that treatment with docetaxel+Aneustat was associated with improved patient outcome. The drug combination markedly downregulated expression of cancer driver genes such as FOXM1 (and FOXM1-target genes). FOXM1 overexpression reduced the anti-metastatic activity of docetaxel+Aneustat. Conclusions: Docetaxel+Aneustat can inhibit PCa tissue invasion and metastasis. This activity appears to be based on reduced expression of cancer driver genes such as FOXM1. Use of docetaxel+Aneustat may provide a new, more effective regimen for therapy of metastatic PCa.
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Tian L, Zhao Z, Xie L, Zhu J. MiR-361-5p suppresses chemoresistance of gastric cancer cells by targeting FOXM1 via the PI3K/Akt/mTOR pathway. Oncotarget 2017; 9:4886-4896. [PMID: 29435149 PMCID: PMC5797020 DOI: 10.18632/oncotarget.23513] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 12/05/2017] [Indexed: 12/25/2022] Open
Abstract
Gastric cancer is a prevalent cancer and chemotherapy is a main treatment for patients. Docetaxel is commonly used as a chemotherapeutic drug for gastric cancer patients. With the increasing emergence of docetaxel resistance, exploring the mechanism of chemoresistance may improve prognosis of patients. In this study, we found that overexpressed miR-361-5p suppressed chemoresistance to docetaxel of gastric cancer cells (SGC-7901, MKN-28) by decreasing IC50 values of docetaxel while increasing cell apoptosis rate, especially in docetaxel resistant SGC-7901 cells. Further researches revealed that overexpressed miR-361-5p inhibited chemoresistance through inhibiting autophagy with a characteristic of declined number of LC3+ puncta, decreased expression of Beclin-1 and the ratio of LC3 II/I and increased expression of p62. Bioinformatics study and Luciferase reporter assay indicated that FOXM1 was a target of miR-361-5p and FOXM1 was negatively regulated by miR-361-5p in gastric cancer. Simultaneously, overexpression of FOXM1 counteracted the inhibitory effects of miR-361-5p on chemoresistance of gastric cancer cells through activating autophagy, further certifying the targeting relationship between the two. Moreover, overexpressed miR-361-5p activated the PI3K/Akt/mTOR pathway. The adding of PI3K inhibitor LY294002 played an opposite role to miR-361-5p mimic by inducing autophagy and chemoresistance to docetaxel of gastric cancer cells compared with docetaxel + miR-361-5p mimic group, indicating that miR-361-5p suppressed autophagy-induced chemoresistance via the PI3K/Akt/mTOR pathway in gastric cancer cells. In conclusion, we found that miR-361-5p suppressed autophagy-induced chemoresistance of gastric cancer cells through targeting FOXM1 via the PI3K/Akt/mTOR pathway, providing a foundation for the mechanism research and treatment of gastric cancer.
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Affiliation(s)
- Lei Tian
- Department Gastroenterol, Jinzhou Medical University, Affilliated Hospital 1, Jinzhou 121000, Liaoning Province, Peoples Republic of China
| | - Zhifeng Zhao
- Department Gastroenterol, Zhongguo Medical University, Affilliated Hospital 4, Shengyang 110000, Liaoning Province, Peoples Republic of China
| | - Ling Xie
- Department Anatomy, Jinzhou Medical University, Jinzhou 121000, Liaoning Province, Peoples Republic of China
| | - JinPeng Zhu
- Department Gastroenterol, Jinzhou Medical University, Affilliated Hospital 1, Jinzhou 121000, Liaoning Province, Peoples Republic of China
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31
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Zhu Y, Zhang B, Gong A, Fu H, Zhang X, Shi H, Sun Y, Wu L, Pan Z, Mao F, Zhu W, Qian H, Xu W. Anti-cancer drug 3,3'-diindolylmethane activates Wnt4 signaling to enhance gastric cancer cell stemness and tumorigenesis. Oncotarget 2017; 7:16311-24. [PMID: 26918831 PMCID: PMC4941316 DOI: 10.18632/oncotarget.7684] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 02/05/2016] [Indexed: 12/27/2022] Open
Abstract
As a natural health supplement, 3,3′-diindolylmethane (DIM) is proposed as a preventive and chemotherapeutic agent for cancer by inhibiting cell proliferation and inducing cell apoptosis. However, we found that in contrary to high level of DIM (30 μM), low level of DIM (1 μM and 10 μM) obviously promoted gastric cancer cell growth and migration. In addition, we found that low level of DIM increased the expression of stemness factors and enhanced the pluripotency of gastric cancer cells. Low level of DIM promoted gastric cancer progression by inducing the PORCN-dependent secretion of Wnt4 and the activation of β-catenin signaling. Wnt4 knockdown reversed the effects of low level of DIM on gastric cancer cells. The results of in vivo studies showed that gastric cancer cells treated with low level of DIM (1 μM) grew faster and expressed higher level of Wnt4 than control cells. Taken together, our findings indicate that low level of DIM activates autocrine Wnt4 signaling to enhance the progression of gastric cancer, which may suggest an adverse aspect of DIM in cancer therapy. Our findings will provide a new aspect for the safety of DIM in its clinical application.
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Affiliation(s)
- Yanhua Zhu
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China.,Department of Clinical Laboratory, Dali Bai Autonomous Prefecture People's Hospital, Dali, Yunnan, P. R. China
| | - Bin Zhang
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Aihua Gong
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Hailong Fu
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Xu Zhang
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Hui Shi
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Yaoxiang Sun
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Lijun Wu
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Zhaoji Pan
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Fei Mao
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Wei Zhu
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Hui Qian
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Wenrong Xu
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
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Fang W, Qian J, Wu Q, Chen Y, Yu G. ADAM-17 expression is enhanced by FoxM1 and is a poor prognostic sign in gastric carcinoma. J Surg Res 2017; 220:223-233. [DOI: 10.1016/j.jss.2017.06.032] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 05/15/2017] [Accepted: 06/15/2017] [Indexed: 12/30/2022]
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Nandi D, Cheema PS, Jaiswal N, Nag A. FoxM1: Repurposing an oncogene as a biomarker. Semin Cancer Biol 2017; 52:74-84. [PMID: 28855104 DOI: 10.1016/j.semcancer.2017.08.009] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 08/08/2017] [Accepted: 08/23/2017] [Indexed: 12/16/2022]
Abstract
The past few decades have witnessed a tremendous progress in understanding the biology of cancer, which has led to more comprehensive approaches for global gene expression profiling and genome-wide analysis. This has helped to determine more sophisticated prognostic and predictive signature markers for the prompt diagnosis and precise screening of cancer patients. In the search for novel biomarkers, there has been increased interest in FoxM1, an extensively studied transcription factor that encompasses most of the hallmarks of malignancy. Considering the attractive potential of this multifarious oncogene, FoxM1 has emerged as an important molecule implicated in initiation, development and progression of cancer. Bolstered with the skill to maneuver the proliferation signals, FoxM1 bestows resistance to contemporary anti-cancer therapy as well. This review sheds light on the large body of literature that has accumulated in recent years that implies that FoxM1 neoplastic functions can be used as a novel predictive, prognostic and therapeutic marker for different cancers. This assessment also highlights the key features of FoxM1 that can be effectively harnessed to establish FoxM1 as a strong biomarker in diagnosis and treatment of cancer.
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Affiliation(s)
- Deeptashree Nandi
- Department of Biochemistry, University of Delhi South Campus, New Delhi, 110021, India
| | - Pradeep Singh Cheema
- Department of Biochemistry, University of Delhi South Campus, New Delhi, 110021, India
| | - Neha Jaiswal
- Department of Biochemistry, University of Delhi South Campus, New Delhi, 110021, India
| | - Alo Nag
- Department of Biochemistry, University of Delhi South Campus, New Delhi, 110021, India.
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Wang J, Li W, Zhao Y, Kang D, Fu W, Zheng X, Pang X, Du G. Members of FOX family could be drug targets of cancers. Pharmacol Ther 2017; 181:183-196. [PMID: 28830838 DOI: 10.1016/j.pharmthera.2017.08.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
FOX families play important roles in biological processes, including metabolism, development, differentiation, proliferation, apoptosis, migration, invasion and longevity. Here we are focusing on roles of FOX members in cancers, FOX members and drug resistance, FOX members and stem cells. Finally, FOX members as drug targets of cancer treatment were discussed. Future perspectives of FOXC1 research were described in the end.
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Affiliation(s)
- Jinhua Wang
- The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China; Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Wan Li
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Ying Zhao
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - De Kang
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Weiqi Fu
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Xiangjin Zheng
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Xiaocong Pang
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Guanhua Du
- The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China; Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China.
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Vetter NS, Kolb EA, Mills CC, Sampson VB. The Microtubule Network and Cell Death Are Regulated by an miR-34a/Stathmin 1/βIII-Tubulin Axis. Mol Cancer Res 2017; 15:953-964. [PMID: 28275089 PMCID: PMC5500423 DOI: 10.1158/1541-7786.mcr-16-0372] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 12/06/2016] [Accepted: 03/02/2017] [Indexed: 01/05/2023]
Abstract
MicroRNA-34a (miR-34a) is a master regulator of signaling networks that maintains normal physiology and disease and is currently in development as a miRNA-based therapy for cancer. Prior studies have reported low miR-34a expression in osteosarcoma; however, the molecular mechanisms underlying miR-34a activity in osteosarcoma are not well-defined. Therefore, this study evaluated the role of miR-34a in regulating signal transduction pathways that influence cell death in osteosarcoma. Levels of miR-34a were attenuated in human osteosarcoma cells and xenografts of the Pediatric Preclinical Testing Consortium (PPTC). Bioinformatics predictions identified stathmin 1 (STMN1) as a potential miR-34a target. Biotin pull-down assay and luciferase reporter analysis confirmed miR-34a target interactions within the STMN1 mRNA 3'-untranslated region. Overexpression of miR-34a in osteosarcoma cells suppressed STMN1 expression and reduced cell growth in vitro Restoration of miR-34a led to microtubule destabilization and increased βIII-tubulin expression, with corresponding G1-G2 phase cell-cycle arrest and apoptosis. Knockdown of the Sp1 transcription factor, by siRNA silencing, also upregulated βIII-tubulin expression in osteosarcoma cells, suggesting that miR-34a indirectly affects Sp1. Validating the coordinating role of miR-34a in microtubule destabilization, when miR-34a was combined with either microtubule inhibitors or chemotherapy, STMN1 phosphorylation was suppressed and there was greater cytotoxicity in osteosarcoma cells. These results demonstrate that miR-34a directly represses STMN1 gene and protein expression and upregulates βIII-tubulin, leading to disruption of the microtubule network and cell death.Implications: The miR-34a/STMN1/βIII-tubulin axis maintains the microtubule cytoskeleton in osteosarcoma, and combining miR-34a with microtubule inhibitors can be investigated as a novel therapeutic strategy. Mol Cancer Res; 15(7); 953-64. ©2017 AACR.
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Affiliation(s)
- Nancy S Vetter
- Nemours Center for Cancer and Blood Disorders, Nemours/Alfred I. duPont Hospital for Children, Wilmington, Delaware
| | - E A Kolb
- Nemours Center for Cancer and Blood Disorders, Nemours/Alfred I. duPont Hospital for Children, Wilmington, Delaware
| | | | - Valerie B Sampson
- Nemours Center for Cancer and Blood Disorders, Nemours/Alfred I. duPont Hospital for Children, Wilmington, Delaware.
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Cirillo L, Gotta M, Meraldi P. The Elephant in the Room: The Role of Microtubules in Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1002:93-124. [DOI: 10.1007/978-3-319-57127-0_5] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Aksoy A, Artas G, Sevindik OG. Predictive value of stathmin-1 and osteopontin expression for taxan resistance in metastatic castrate-resistant prostate cancer. Pak J Med Sci 2017; 33:560-565. [PMID: 28811771 PMCID: PMC5510103 DOI: 10.12669/pjms.333.12559] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Objective: Several pathways are known to be activated during metastasis and treatment of cancer. We investigated the role of osteopontin (OPN) and stathmin-1 (STHMN1) in metastatic castrate-resistant (mCRPC). Methods: We included 30 patients who received at least 6 cycles of taxane regimen for metastatic mPC in the present study. For this study retrospective data was taken from Firat University, Faculty of Medicine, Medical Oncology Department between 2009 and 2015. OPN expression and STHMN1 expression were retrospectively evaluated by immunohistochemical staining in biopsy specimens. The relationship between the expression levels of OPN and STMN1 and the response to taxane based regimen and survival was analyzed. Results: There was mild or strong overexpression of OPN and STHMN1 in all the patients. STHMN1 expression was mildly positive (+2) in four of the cases (13.2%) while it was strongly positive (+3) in 25 (83.4%) cases. Similarly, OPN expression was mildly positive (+2) and strongly positive (+3) in five (16.6%) and 25 (87.4%) patients, respectively. There was no significant correlation between the expression levels of STHMN1 and OPN, survival, and response to taxane based regimen (p>0.05); however, OPN overexpression showed a significant correlation with lower Gleason scores (GS) (p:0.032). Conclusions: STHMN1 and OPN may be prognostic markers although they are not predictive markers of response to treatment in mCRPC. The overexpression of OPN may help identifying patients with lower GS.
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Affiliation(s)
- Asude Aksoy
- Asude Aksoy, Department of Medical Oncology, Medical Faculty, Firat University, Elazig, Turkey
| | - Gokhan Artas
- Gokhan Artas, Department of Pathology, Medical Faculty, Firat University, Elazig, Turkey
| | - Omur Gokmen Sevindik
- Omur Gokmen Sevindik, Department of Hematology, Medical Faculty, Firat University, Elazig, Turkey
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Wang Y. Transcriptional Regulatory Network Analysis for Gastric Cancer Based on mRNA Microarray. Pathol Oncol Res 2017; 23:785-791. [PMID: 28078605 DOI: 10.1007/s12253-016-0159-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 12/14/2016] [Indexed: 12/27/2022]
Abstract
We aimed to screen the differential expressed genes (DEGs) and transcriptional factors (TFs) related to gastric cancer. GSE19826 microarray data downloaded from Gene Expression Omnibus was used to identify the differentially expressed genes (DEGs) and PPI network of DEGs were constructed by the Retrieval of Interacting Genes database. Pathway enrichment analysis of DEGs were performed by Gene Set Enrichment Analysis. Then, the transcriptional regulatory network was constructed based on TRANSFAC database. Finally, regulatory impact factor (RIF) of TF was calculated. We identified 446 DEGs including 209 up- and 237 down-regulated genes. These DEGs were mainly significantly enriched in 5 pathways including ECM receptor interaction (p = 0.013899), spliceosome (p = 0.025591), bladder cancer (p = 0.026316), focal adhesion (p = 0.047809) and WNT signaling pathway (p = 0.048077). PPI network with 247 nodes and 913 edges were constructed and COL5A2 was the hub node. Transcriptional regulatory network with 6 differently expressed TFs, 58 non-differently expressed TFs, 44 DEGs and 735 non-DEGs was constructed. Finally, top 5 TFs including CRX, TFAP4, NKX2-1, MYB and RARG with higher ZRIF were screened. The identified DEGs such as COL5A2 and TOP2A, and TFs including EGR2, FOXM1, NKX2-1 and TFAP4 might be the critical genes and TFs for gastric cancer.
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Affiliation(s)
- Yan Wang
- Department of Gastroenterology, Shengjing Hospital, China Medical University, No.36 Sanhao Road, Shenyang, 110004, China.
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Hanson C, Cairns J, Wang L, Sinha S. Computational discovery of transcription factors associated with drug response. THE PHARMACOGENOMICS JOURNAL 2016; 16:573-582. [PMID: 26503816 PMCID: PMC4848185 DOI: 10.1038/tpj.2015.74] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Revised: 08/04/2015] [Accepted: 08/07/2015] [Indexed: 02/01/2023]
Abstract
This study integrates gene expression, genotype and drug response data in lymphoblastoid cell lines with transcription factor (TF)-binding sites from ENCODE (Encyclopedia of Genomic Elements) in a novel methodology that elucidates regulatory contexts associated with cytotoxicity. The method, GENMi (Gene Expression iN the Middle), postulates that single-nucleotide polymorphisms within TF-binding sites putatively modulate its regulatory activity, and the resulting variation in gene expression leads to variation in drug response. Analysis of 161 TFs and 24 treatments revealed 334 significantly associated TF-treatment pairs. Investigation of 20 selected pairs yielded literature support for 13 of these associations, often from studies where perturbation of the TF expression changes drug response. Experimental validation of significant GENMi associations in taxanes and anthracyclines across two triple-negative breast cancer cell lines corroborates our findings. The method is shown to be more sensitive than an alternative, genome-wide association study-based approach that does not use gene expression. These results demonstrate the utility of GENMi in identifying TFs that influence drug response and provide a number of candidates for further testing.
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Affiliation(s)
- C Hanson
- Department of Computer Science, University of Illinois at Urbana–Champaign, Urbana, IL, USA
| | - J Cairns
- Division of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA
| | - L Wang
- Division of Clinical Pharmacology, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA
| | - S Sinha
- Department of Computer Science and Institute of Genomic Biology, University of Illinois at Urbana–Champaign, Urbana, IL, USA
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Biaoxue R, Xiguang C, Hua L, Shuanying Y. Stathmin-dependent molecular targeting therapy for malignant tumor: the latest 5 years' discoveries and developments. J Transl Med 2016; 14:279. [PMID: 27670291 PMCID: PMC5037901 DOI: 10.1186/s12967-016-1000-z] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Accepted: 08/03/2016] [Indexed: 12/20/2022] Open
Abstract
Knowledge of the molecular mechanisms on malignant tumors is very critical for the development of new treatment strategies like molecularly targeted therapies. In last 5 years, many investigations suggest that stathmin is over-expressed in a variety of human malignant tumors, and potentially promotes the occurrence and development of tumors. Rather, down-regulation of stathmin can reduce cell proliferation, motility and metastasis and induce apoptosis of malignant tumors. Thus, a stathmin antagonist, such as a specific inhibitor (antibody, small molecule compound, peptide, or siRNA), may be a novel strategy of molecular targeted therapy. This review summarizes the research progress of recent 5 years on the role of stathmin in tumorigenesis, the molecular mechanisms and development of anti-stathmin treatment, which suggest that continued investigations into the function of stathmin in the tumorigenesis could lead to more rationally designed therapeutics targeting stathmin for treating human malignant tumors.
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Affiliation(s)
- Rong Biaoxue
- Department of Respiratory Medicine, First Affiliated Hospital, Xi'an Medical University, Xi'an, China.
| | - Cai Xiguang
- Department of Respiratory Medicine, Gansu Provincial Hospital, Lanzhou, China
| | - Liu Hua
- Department of Respiratory Medicine, Gansu Provincial Hospital, Lanzhou, China
| | - Yang Shuanying
- Department of Respiratory Medicine, Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
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Wang K, Zhu X, Zhang K, Zhu L, Zhou F. FoxM1 inhibition enhances chemosensitivity of docetaxel-resistant A549 cells to docetaxel via activation of JNK/mitochondrial pathway. Acta Biochim Biophys Sin (Shanghai) 2016; 48:804-9. [PMID: 27521795 DOI: 10.1093/abbs/gmw072] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 04/14/2016] [Indexed: 12/22/2022] Open
Abstract
Docetaxel is recommended as a second-line chemotherapy agent for the non-small-cell lung cancer (NSCLC); however, drug resistance greatly limits its efficiency. Forkhead box M1 (FoxM1), an oncogenic transcription factor, is believed to be involved in the chemoresistance of various human cancers; whereas the association of FoxM1 with acquired docetaxel-resistance in NSCLC remains unclear. In the present study, we investigated the involvement of FoxM1 in the docetaxel-resistant human lung adenocarcinoma A549 cells (A549/DTX). Our results showed that FoxM1 expression was significantly increased in the A549/DTX cells compared with that in the parental A549 cells. FoxM1 siRNA silencing promoted the cytotoxic and pro-apoptotic effect of docetaxel in A549/DTX cells, which was possibly mediated through inducing the activation of c-Jun N-terminal kinases/mitochondrial signaling pathway. Our results suggest a critical role of FoxM1 in docetaxel-resistance of the A549 cells and form the basis for the development of combined therapy of docetaxel and FoxM1 depletion in treating NSCLC.
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Affiliation(s)
- Ke Wang
- Key Laboratory of Nuclear Medicine, Ministry of Health, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Xue Zhu
- Key Laboratory of Nuclear Medicine, Ministry of Health, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Kai Zhang
- Key Laboratory of Nuclear Medicine, Ministry of Health, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Ling Zhu
- Save Sight Institute, University of Sydney, NSW 2000, Australia
| | - Fanfan Zhou
- Faculty of Pharmacy, University of Sydney, NSW 2006, Australia
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Ritter A, Kreis NN, Louwen F, Wordeman L, Yuan J. Molecular insight into the regulation and function of MCAK. Crit Rev Biochem Mol Biol 2016; 51:228-45. [DOI: 10.1080/10409238.2016.1178705] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Ito T, Kohashi K, Yamada Y, Iwasaki T, Maekawa A, Kuda M, Hoshina D, Abe R, Furue M, Oda Y. Prognostic Significance of Forkhead Box M1 (FOXM1) Expression and Antitumor Effect of FOXM1 Inhibition in Angiosarcoma. J Cancer 2016; 7:823-30. [PMID: 27162541 PMCID: PMC4860799 DOI: 10.7150/jca.14461] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Accepted: 03/15/2016] [Indexed: 01/06/2023] Open
Abstract
Background: The prognosis of angiosarcoma is poor and a novel treatment option for the disease is desired. The aim of this study was to investigate the prognostic significance of Forkhead box M1 (FOXM1), a transcription factor that regulates cell-cycle progression and various crucial processes in tumor progression, and its potential as a new therapeutic target. Methods: We investigated 125 angiosarcoma clinical samples (94 primary lesions and 31 metastatic lesions in 94 patients) and a human angiosarcoma cell line (HAMON) using immunohistochemical staining and molecular biological approaches. FOXM1 expression in angiosarcoma samples was also compared with that in Kaposi's sarcomas (n = 13), epithelioid hemangioendotheliomas (n = 13) and benign hemangiomas (n = 10). Results: Patients with FOXM1-overexpressing angiosarcoma had significantly shorter survival (both for disease-specific survival [DSS] and event-free survival [EFS]) than other patients (5-year DSS, 23.5% vs. 47.1%, P = 0.013; and 5-year EFS, 5.5% vs. 28.7%, P = 0.004). FOXM1 overexpression was also an independent prognostic factor for both DSS and EFS in Cox multivariate analyses (hazard ratio [HR] 2.84, 95% confidence interval [CI] 1.10-5.81, P = 0.039; and HR 4.16, 95%CI 2.03-8.67, P = 0.0001, respectively). FOXM1 inhibition using both small interfering RNA and a specific inhibitor (thiostrepton) suppressed cell proliferation of the angiosarcoma cell line. Furthermore, FOXM1 inhibition improved the chemosensitivity to docetaxel in vitro. Conclusions: FOXM1 inhibition may be a potential therapeutic option for angiosarcoma.
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Affiliation(s)
- Takamichi Ito
- 1. Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan;; 2. Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kenichi Kohashi
- 1. Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuichi Yamada
- 1. Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Takeshi Iwasaki
- 1. Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Akira Maekawa
- 1. Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masaaki Kuda
- 1. Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Daichi Hoshina
- 3. Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Riichiro Abe
- 3. Department of Dermatology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Masutaka Furue
- 2. Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshinao Oda
- 1. Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Marie SKN, Oba-Shinjo SM, da Silva R, Gimenez M, Nunes Reis G, Tassan JP, Rosa JC, Uno M. Stathmin involvement in the maternal embryonic leucine zipper kinase pathway in glioblastoma. Proteome Sci 2016; 14:6. [PMID: 26973435 PMCID: PMC4788929 DOI: 10.1186/s12953-016-0094-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 03/01/2016] [Indexed: 12/02/2022] Open
Abstract
Background Maternal Embryonic Leucine Zipper Kinase (MELK) is a serine/threonine kinase involved in cell cycle, differentiation, proliferation, and apoptosis. These multiple features are consistent with it being a potential anticancer target. Nevertheless, the MELK pathway in tumorigenesis is not yet completely understood. This study aims to identify proteins associated with MELK pathway in astrocytomas. To this end, proteomic data of the human glioma cell line U87MG transfected with siRNA for MELK were compared with non-target transfected control cells and compared with oligonucleotide microarray data. Results In both assays, we identified stathmin/oncoprotein 18 (STMN1), involved in cell cycle. STMN1 gene expression was further assessed in a series of 154 astrocytomas and 22 non-neoplastic brain samples by qRT-PCR. STMN1 expression was significantly increased in malignant diffusely infiltrative astrocytomas compared with pilocytic astrocytoma (p < 0.0001). A strong correlation between MELK and STMN1 expressions was observed (r = 0.741, p < 0.0001) in glioblastoma (GBM) samples. However, no difference on survival times was found when compared GBM cases with upregulated and downregulated STMN1 (Breslow = 0.092, median survival time: 11 and 13 months, respectively). Functional assays knocking down MELK by siRNA in GBM cell line showed that gene and protein expression of both MELK and stathmin were diminished. On the other hand, when the same analysis was performed for STMN1, only stathmin gene and protein was silenced. Conclusions The results presented herein point stahtmin as a downstream target in the MELK pathway that plays a role in malignant progression of astrocytomas. Electronic supplementary material The online version of this article (doi:10.1186/s12953-016-0094-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Suely Kazue Nagahashi Marie
- Laboratory of Molecular and Cellular Biology (LIM 15), Department of Neurology, School of Medicine, University of São Paul, Av. Dr Arnaldo 455, Cerqueira César, São Paulo, SP 01246-903 Brazil ; Center for Studies of Cellular and Molecular Therapy (NETCEM), University of Sao Paulo, São Paulo, Brazil
| | - Sueli Mieko Oba-Shinjo
- Laboratory of Molecular and Cellular Biology (LIM 15), Department of Neurology, School of Medicine, University of São Paul, Av. Dr Arnaldo 455, Cerqueira César, São Paulo, SP 01246-903 Brazil
| | - Roseli da Silva
- Laboratory of Molecular and Cellular Biology (LIM 15), Department of Neurology, School of Medicine, University of São Paul, Av. Dr Arnaldo 455, Cerqueira César, São Paulo, SP 01246-903 Brazil
| | - Marcela Gimenez
- Protein Chemistry Center and Department of Molecular and Cell Biology, Medical School of Ribeirão Preto, University of São Paulo, Av. Bandeirantes, 3900, Ribeirão Preto, 14049-900 Brazil
| | - Gisele Nunes Reis
- Laboratory of Molecular and Cellular Biology (LIM 15), Department of Neurology, School of Medicine, University of São Paul, Av. Dr Arnaldo 455, Cerqueira César, São Paulo, SP 01246-903 Brazil
| | - Jean-Pierre Tassan
- Cell Cycle Group, SFR Biosit, UMR 6290 CNRS Institut de Génétique et Développement de Rennes-Université de Rennes 1, 2 Avenue du Professeur Léon Bernard, CS 34317, 35043 Rennes, Bretagne France
| | - Jose Cesar Rosa
- Protein Chemistry Center and Department of Molecular and Cell Biology, Medical School of Ribeirão Preto, University of São Paulo, Av. Bandeirantes, 3900, Ribeirão Preto, 14049-900 Brazil
| | - Miyuki Uno
- Center of Translational Research in Oncology, Instituto do Câncer do Estado de São Paulo-ICESP, Av. Dr Arnaldo 251, 8th floor, Cerqueira César, São Paulo, SP 01246-000 Brazil
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Rajamanickam S, Panneerdoss S, Gorthi A, Timilsina S, Onyeagucha B, Kovalskyy D, Ivanov D, Hanes MA, Vadlamudi RK, Chen Y, Bishop AJ, Arbiser JL, Rao MK. Inhibition of FoxM1-Mediated DNA Repair by Imipramine Blue Suppresses Breast Cancer Growth and Metastasis. Clin Cancer Res 2016; 22:3524-36. [PMID: 26927663 DOI: 10.1158/1078-0432.ccr-15-2535] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 02/17/2016] [Indexed: 11/16/2022]
Abstract
PURPOSE The approaches aimed at inhibiting the ability of cancer cells to repair DNA strand breaks have emerged as promising targets for treating cancers. Here, we assessed the potential of imipramine blue (IB), a novel analogue of antidepressant imipramine, to suppress breast cancer growth and metastasis by inhibiting the ability of breast cancer cells to repair DNA strand breaks by homologous recombination (HR). EXPERIMENTAL DESIGN The effect of IB on breast cancer growth and metastasis was assessed in vitro as well as in preclinical mouse models. Besides, the therapeutic efficacy and safety of IB was determined in ex vivo explants from breast cancer patients. The mechanism of action of IB was evaluated by performing gene-expression, drug-protein interaction, cell-cycle, and DNA repair studies. RESULTS We show that the systemic delivery of IB using nanoparticle-based delivery approach suppressed breast cancer growth and metastasis without inducing toxicity in preclinical mouse models. Using ex vivo explants from breast cancer patients, we demonstrated that IB inhibited breast cancer growth without affecting normal mammary epithelial cells. Furthermore, our mechanistic studies revealed that IB may interact and inhibit the activity of proto-oncogene FoxM1 and associated signaling that play critical roles in HR-mediated DNA repair. CONCLUSIONS These findings highlight the potential of IB to be applied as a safe regimen for treating breast cancer patients. Given that FoxM1 is an established therapeutic target for several cancers, the identification of a compound that inhibits FoxM1- and FoxM1-mediated DNA repair has immense translational potential for treating many aggressive cancers. Clin Cancer Res; 22(14); 3524-36. ©2016 AACR.
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Affiliation(s)
- Subapriya Rajamanickam
- Department of Cell and Structure Biology, The University of Texas Health Science Center at San Antonio, San Antonio, Texas. Greehey Children's Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Subbarayalu Panneerdoss
- Department of Cell and Structure Biology, The University of Texas Health Science Center at San Antonio, San Antonio, Texas. Greehey Children's Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Aparna Gorthi
- Department of Cell and Structure Biology, The University of Texas Health Science Center at San Antonio, San Antonio, Texas. Greehey Children's Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Santosh Timilsina
- Department of Cell and Structure Biology, The University of Texas Health Science Center at San Antonio, San Antonio, Texas. Greehey Children's Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Benjamin Onyeagucha
- Department of Cell and Structure Biology, The University of Texas Health Science Center at San Antonio, San Antonio, Texas. Greehey Children's Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Dmytro Kovalskyy
- Department of Biochemistry, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Dmitri Ivanov
- Department of Biochemistry, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Martha A Hanes
- Department of Laboratory Animal Resources, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Ratna K Vadlamudi
- Department of Obstetrics and Gynecology, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Yidong Chen
- Greehey Children's Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, Texas. Department of Epidemiology and Statistics, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Alexander J Bishop
- Department of Cell and Structure Biology, The University of Texas Health Science Center at San Antonio, San Antonio, Texas. Greehey Children's Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Jack L Arbiser
- Emory School of Medicine, Atlanta, Georgia. Veterans Administration Medical Center, Atlanta, Georgia
| | - Manjeet K Rao
- Department of Cell and Structure Biology, The University of Texas Health Science Center at San Antonio, San Antonio, Texas. Greehey Children's Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, Texas.
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Li L, Fan B, Zhang LH, Xing XF, Cheng XJ, Wang XH, Guo T, Du H, Wen XZ, Ji JF. Trichostatin A potentiates TRAIL-induced antitumor effects via inhibition of ERK/FOXM1 pathway in gastric cancer. Tumour Biol 2016; 37:10269-78. [PMID: 26831669 DOI: 10.1007/s13277-016-4816-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 01/06/2016] [Indexed: 01/26/2023] Open
Abstract
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is an ideal apoptosis inducer and believed to have promise in cancer therapy, yet part of cancer cells exhibit resistance to TRAIL-mediated apoptosis. This necessitates the exploration of agents that resensitizes cancer cells to TRAIL. In our study, we found that Trichostatin A (TSA), an histone deacetylase (HDAC) inhibitor, augmented TRAIL-induced apoptosis in gastric cancer cells in a caspase-dependent manner. Besides, upregulation of DR5 and downregulation of anti-apoptotic proteins including XIAP, Mcl-1, Bcl-2 and Survivin also contributed to this synergism. Noticeably, TSA treatment inhibited Forkhead boxM1 (FOXM1), which expression level showed negative correlation with TRAIL sensitivity. Similarly, silencing of FOXM1 by small interfering RNA (siRNA) resensitized cancer cells to TRAIL and strengthened the TRAIL-augmenting effect of TSA. In addition, we demonstrated the depletion of FOXM1 was a consequence of the inactivation of ERK mediated by TSA. Collectively, it was first shown that TSA potentiated TRAIL sensitivity via ERK/FOXM1 pathway in gastric cancer cells. FOXM1 might serve as a biomarker for predicting sensitivity to TRAIL.
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Affiliation(s)
- Lin Li
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Division of Gastrointestinal Cancer Translational Research Laboratory, Peking University Cancer Hospital & Institute, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China.,Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute Beijing, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China
| | - Biao Fan
- Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute Beijing, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China
| | - Lian-Hai Zhang
- Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute Beijing, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China.,The Tissue Bank, Peking University Cancer Hospital & Institute, Fu-Cheng Road, Beijing, China
| | - Xiao-Fang Xing
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Division of Gastrointestinal Cancer Translational Research Laboratory, Peking University Cancer Hospital & Institute, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China
| | - Xiao-Jing Cheng
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Division of Gastrointestinal Cancer Translational Research Laboratory, Peking University Cancer Hospital & Institute, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China
| | - Xiao-Hong Wang
- The Tissue Bank, Peking University Cancer Hospital & Institute, Fu-Cheng Road, Beijing, China
| | - Ting Guo
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Division of Gastrointestinal Cancer Translational Research Laboratory, Peking University Cancer Hospital & Institute, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China
| | - Hong Du
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Division of Gastrointestinal Cancer Translational Research Laboratory, Peking University Cancer Hospital & Institute, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China
| | - Xian-Zi Wen
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Division of Gastrointestinal Cancer Translational Research Laboratory, Peking University Cancer Hospital & Institute, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China.
| | - Jia-Fu Ji
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Division of Gastrointestinal Cancer Translational Research Laboratory, Peking University Cancer Hospital & Institute, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China. .,Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute Beijing, #52 Fu-Cheng Road, Hai-Dian District, Beijing, 100142, China.
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High expression of stathmin 1 is a strong prognostic marker in oral squamous cell carcinoma patients treated by docetaxel-containing regimens. Clin Exp Med 2015; 17:45-50. [DOI: 10.1007/s10238-015-0403-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2015] [Accepted: 11/11/2015] [Indexed: 02/06/2023]
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49
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Satolli MA, Buffoni L, Spadi R, Roato I. Gastric cancer: The times they are a-changin'. World J Gastrointest Oncol 2015; 7:303-16. [PMID: 26600930 PMCID: PMC4644853 DOI: 10.4251/wjgo.v7.i11.303] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 07/15/2015] [Accepted: 08/13/2015] [Indexed: 02/05/2023] Open
Abstract
Gastric cancer is the third leading cause of cancer death worldwide. Even though during these last decades gastric cancer incidence decreased in Western countries, it remains endemic and with a high incidence in Eastern countries. The survival in advanced and metastatic stage of gastric cancer is still very poor. Recently the Cancer Genoma Atlas Research Network identified four subtypes with different molecular profiles to classify gastric cancer in order to offer the optimal targeted therapies for pre-selected patients. Indeed, the key point is still the selection of patients for the right treatment, on basis of molecular tumor characterization. Since chemotherapy reached a plateau of efficacy for gastric cancer, the combination between cytotoxic therapy and biological agents gets a better prognosis and decreases chemotherapeutic toxicity. Currently, Trastuzumab in combination with platinum and fluorouracil is the only approved targeted therapy in the first line for c-erbB2 positive patients, whereas Ramucirumab is the only approved targeted agent for patients with metastatic gastric cancer. New perspectives for an effective treatment derived from the immunotherapeutic strategies. Here, we report an overview on gastric cancer treatments, with particular attention to recent advances in targeted therapies and in immunotherapeutic approach.
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50
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Hu CJ, Wang B, Tang B, Chen BJ, Xiao YF, Qin Y, Yong X, Luo G, Zhang JW, Zhang D, Li S, He F, Yang SM. The FOXM1-induced resistance to oxaliplatin is partially mediated by its novel target gene Mcl-1 in gastric cancer cells. BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS 2014; 1849:290-9. [PMID: 25482013 DOI: 10.1016/j.bbagrm.2014.11.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 11/24/2014] [Accepted: 11/26/2014] [Indexed: 02/07/2023]
Abstract
Myeloid cell leukemia-1 (Mcl-1) is an anti-apoptotic protein that belongs to the Bcl-2 family. The aberrant expression of Mcl-1 is important for sensitivity to chemotherapy drugs in gastric cancer. However, the regulatory mechanism of Mcl-1 in gastric cancer cells remains unclear. In this study, we first found that Forkhead box M1 (FOXM1) and Mcl-1 expression levels were positively correlated in human gastric cancer specimens and that both are associated with poor prognosis of patients treated with oxaliplatin. Second, we demonstrated that the expression level of Mcl-1 was correlated with FOXM1 expression in gastric cancer cells. Third, reporter assays showed that FOXM1 upregulated the promoter activity of the Mcl-1 gene. Electrophoretic mobility shift assays (EMSA) and chromatin immunoprecipitation (ChIP) assays further demonstrated that FOXM1 could bind to a particular site (-635acaaacaa-628) in the promoter region of the Mcl-1 gene. Moreover, CCK-8 assays and analyses of apoptosis revealed that the suppression of the FOXM1/Mcl-1 pathway induced apoptosis and thus increased sensitivity to oxaliplatin in gastric cancer cells, whereas the enhancement of the FOXM1/Mcl-1 pathway inhibited apoptosis and decreased sensitivity to oxaliplatin in gastric cancer cells. Taken together, this study is the first to not only show that Mcl-1 is a novel target gene of FOXM1 but also suggest that targeting FOXM1/Mcl-1 may be a novel strategy to enhance sensitivity to oxaliplatin in gastric cancer.
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Affiliation(s)
- Chang-Jiang Hu
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China
| | - Bin Wang
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Third Military Medical University, Chongqing 400038, China
| | - Bo Tang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China
| | - Bai-jun Chen
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China
| | - Yu-Feng Xiao
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China
| | - Yong Qin
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China
| | - Xin Yong
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China
| | - Gang Luo
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China
| | - Jian-Wei Zhang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China
| | - Dan Zhang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China
| | - Song Li
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA 15261, United States
| | - Fengtian He
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Third Military Medical University, Chongqing 400038, China.
| | - Shi-Ming Yang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China.
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