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Lagzian A, Askari M, Haeri MS, Sheikhi N, Banihashemi S, Nabi-Afjadi M, Malekzadegan Y. Increased V-ATPase activity can lead to chemo-resistance in oral squamous cell carcinoma via autophagy induction: new insights. Med Oncol 2024; 41:108. [PMID: 38592406 DOI: 10.1007/s12032-024-02313-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 01/23/2024] [Indexed: 04/10/2024]
Abstract
Oral squamous cell carcinoma (OSCC) is a cancer type with a high rate of recurrence and a poor prognosis. Tumor chemo-resistance remains an issue for OSCC patients despite the availability of multimodal therapy options, which causes an increase in tumor invasiveness. Vacuolar ATPase (V-ATPase), appears to be one of the most significant molecules implicated in MDR in tumors like OSCC. It is primarily responsible for controlling the acidity in the solid tumors' microenvironment, which interferes with the absorption of chemotherapeutic medications. However, the exact cellular and molecular mechanisms V-ATPase plays in OSCC chemo-resistance have not been understood. Uncovering these mechanisms can contribute to combating OSCC chemo-resistance and poor prognosis. Hence, in this review, we suggest that one of these underlying mechanisms is autophagy induced by V-ATPase which can potentially contribute to OSCC chemo-resistance. Finally, specialized autophagy and V-ATPase inhibitors may be beneficial as an approach to reduce drug resistance to anticancer therapies in addition to serving as coadjuvants in antitumor treatments. Also, V-ATPase could be a prognostic factor for OSCC patients. However, in the future, more investigations are required to demonstrate these suggestions and hypotheses.
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Affiliation(s)
- Ahmadreza Lagzian
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Marziye Askari
- Department of Immunology, School of Medicine, Hamedan University of Medical Sciences, Hamedan, Iran
| | - Melika Sadat Haeri
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Nastaran Sheikhi
- Biotechnology Department, Biological Sciences Faculty, Alzahra University, Tehran, Iran
| | - Sara Banihashemi
- Department of Bioscience, School of Science and Technology, Nottingham Trend University, Nottingham, UK
| | - Mohsen Nabi-Afjadi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Yalda Malekzadegan
- Department of Microbiology, Saveh University of Medical Sciences, Saveh, Iran.
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2
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Guo X, Gao C, Yang DH, Li S. Exosomal circular RNAs: A chief culprit in cancer chemotherapy resistance. Drug Resist Updat 2023; 67:100937. [PMID: 36753923 DOI: 10.1016/j.drup.2023.100937] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/03/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
Chemotherapy is one of the primary treatments for malignant tumors. However, the acquired drug resistance hinders clinical efficacy and leads to treatment failure in most patients. Exosomes are cell-derived vesicles with a diameter of 30-150 nm carrying and delivering substances such as DNAs, RNAs, lipids, and proteins for cellular communication in tumor development. Circular RNAs (circRNAs) present covalently closed-loop RNA structures, which regulate tumor cell proliferation, apoptosis, and metastasis by controlling different genes and signaling pathways. CircRNAs are abundant and stably expressed in exosomes. Recent studies have shown that they play critical roles in chemotherapy resistance in various cancers. In this review, we summarized the origin of exosomes and discussed the regulation mechanism of exosomal circRNAs in cancer drug resistance.
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Affiliation(s)
- Xu Guo
- Department of Neurosurgery, Cancer Hospital of Dalian University of Technology,Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning Province 110042, China
| | - Congying Gao
- School of Pharmacy, Weifang Medical University, Weifang, China
| | - Dong-Hua Yang
- New York College of Traditional Chinese Medicine, Mineola, NY, USA.
| | - Shenglong Li
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of Dalian University of Technology,Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang Liaoning Province 110042, China.
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3
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Yang J, Griffin A, Qiang Z, Ren J. Organelle-targeted therapies: a comprehensive review on system design for enabling precision oncology. Signal Transduct Target Ther 2022; 7:379. [PMID: 36402753 PMCID: PMC9675787 DOI: 10.1038/s41392-022-01243-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/19/2022] [Accepted: 10/25/2022] [Indexed: 11/21/2022] Open
Abstract
Cancer is a major threat to human health. Among various treatment methods, precision therapy has received significant attention since the inception, due to its ability to efficiently inhibit tumor growth, while curtailing common shortcomings from conventional cancer treatment, leading towards enhanced survival rates. Particularly, organelle-targeted strategies enable precise accumulation of therapeutic agents in organelles, locally triggering organelle-mediated cell death signals which can greatly reduce the therapeutic threshold dosage and minimize side-effects. In this review, we comprehensively discuss history and recent advances in targeted therapies on organelles, specifically including nucleus, mitochondria, lysosomes and endoplasmic reticulum, while focusing on organelle structures, organelle-mediated cell death signal pathways, and design guidelines of organelle-targeted nanomedicines based on intervention mechanisms. Furthermore, a perspective on future research and clinical opportunities and potential challenges in precision oncology is presented. Through demonstrating recent developments in organelle-targeted therapies, we believe this article can further stimulate broader interests in multidisciplinary research and technology development for enabling advanced organelle-targeted nanomedicines and their corresponding clinic translations.
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Affiliation(s)
- Jingjing Yang
- grid.24516.340000000123704535Institute of Nano and Biopolymeric Materials, School of Materials Science and Engineering, Tongji University, 201804 Shanghai, China
| | - Anthony Griffin
- grid.267193.80000 0001 2295 628XSchool of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406 USA
| | - Zhe Qiang
- grid.267193.80000 0001 2295 628XSchool of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406 USA
| | - Jie Ren
- grid.24516.340000000123704535Institute of Nano and Biopolymeric Materials, School of Materials Science and Engineering, Tongji University, 201804 Shanghai, China
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4
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Wang C, Chang J, Yang S, Shi L, Zhang Y, Liu W, Meng J, Zeng J, Zhang R, Xing D. Advances in antitumor research of CA-4 analogs carrying quinoline scaffold. Front Chem 2022; 10:1040333. [PMID: 36385996 PMCID: PMC9650302 DOI: 10.3389/fchem.2022.1040333] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 10/10/2022] [Indexed: 08/01/2024] Open
Abstract
Combretastatin A-4 (CA-4) is a potent inhibitor of tubulin polymerization and a colchicine binding site inhibitor (CBSI). The structure-activity relationship study of CA-4 showed that the cis double bond configuration and the 3,4,5-trimethoxy group on the A ring were important factors to maintain the activity of CA-4. Therefore, starting from this condition, chemists modified the double bond and also substituted 3,4,5-trimethoxyphenyl with various heterocycles, resulting in a new generation of CA-4 analogs such as chalcone, Flavonoid derivatives, indole, imidazole, etc. Quinoline derivatives have strong biological activity and have been sought after by major researchers for their antitumor activity in recent years. This article reviews the research progress of novel CA-4 containing quinoline analogs in anti-tumor from 1992 to 2022 and expounds on the pharmacological mechanisms of these effective compounds, including but not limited to apoptosis, cell cycle, tubulin polymerization inhibition, immune Fluorescence experiments, etc., which lay the foundation for the subsequent development of CA-4 containing quinoline analogs for clinical use.
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Affiliation(s)
- Chao Wang
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao University, Qingdao, China
| | - Jing Chang
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao University, Qingdao, China
| | - Shanbo Yang
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao University, Qingdao, China
| | - Lingyu Shi
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao University, Qingdao, China
| | - Yujing Zhang
- The Affiliated Cardiovascular Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Wenjing Liu
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao University, Qingdao, China
| | - Jingsen Meng
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao University, Qingdao, China
| | - Jun Zeng
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao University, Qingdao, China
| | - Renshuai Zhang
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Qingdao Cancer Institute, Qingdao University, Qingdao, China
| | - Dongming Xing
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- School of Life Sciences, Tsinghua University, Beijing, China
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SNHG1/miR-145-5p/KLF5 Axis Participates in Regulating the Proliferation and Migration of Oral Squamous Cell Cancer. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:2053271. [PMID: 35281530 PMCID: PMC8913061 DOI: 10.1155/2022/2053271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 02/09/2022] [Indexed: 11/17/2022]
Abstract
We aimed to clarify the molecular mechanism of lncRNA SNHG1 in regulating the OSCC process. Clinical samples of OSCC were collected for detecting the differential level of SNHG1 by qRT-PCR. Pathological indexes of OSCC patients were analyzed for uncovering the prognostic value of SNHG1. The interaction between SNHG1 and miR-145-5p was assessed through the bioinformatics method and dual-luciferase reporter assay. Their coregulation on proliferative and migratory functions of Tca8113 and CAL-27 cells was explored by the CCK-8, EdU, and Transwell assay. Finally, the regulatory effect of miR-145-5p on its downstream gene KLF5 was evaluated. SNHG1 was abnormally upregulated in OSCC samples and linked to a poor prognosis of OSCC patients. Serving as an oncogene, SNHG1 strengthened proliferative and migratory functions of Tca8113 and CAL-27 cells. miR-145-5p was a key downstream target inducing the oncogenic role of SNHG1 in the OSCC process with KLF5 as its downstream gene. SNHG1/miR-145-5p/KLF1 axis is responsible for driving the malignant process of OSCC.
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Ginkgolide B Regulates CDDP Chemoresistance in Oral Cancer via the Platelet-Activating Factor Receptor Pathway. Cancers (Basel) 2021; 13:cancers13246299. [PMID: 34944919 PMCID: PMC8699349 DOI: 10.3390/cancers13246299] [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: 11/25/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 11/23/2022] Open
Abstract
Simple Summary The platelet-activating factor receptor (PAFR) is a key molecule that participates in intracellular signaling pathways. It is involved in cancer progression, but the detailed mechanism of its chemosensitivity is unknown. The purpose of the current study was to elucidate the mechanism regulating cisplatin (CDDP) sensitivity through PAFR functions in oral squamous cell carcinoma (OSCC). These results suggest that PAFR is a therapeutic target for modulating CDDP sensitivity in OSCC cells. In addition, we found that ginkgolide B (GB), a specific inhibitor of PAFR, enhanced both CDDP chemosusceptibility and apoptosis. Thus, GB may be a novel drug that could enhance combination chemotherapy with CDDP for OSCC patients. Abstract The platelet-activating factor receptor (PAFR) is a key molecule that participates in intracellular signaling pathways, including regulating the activation of kinases. It is involved in cancer progression, but the detailed mechanism of its chemosensitivity is unknown. The purpose of the current study was to elucidate the mechanism regulating cisplatin (CDDP) sensitivity through PAFR functions in oral squamous cell carcinoma (OSCC). We first analyzed the correlation between PAFR expression and CDDP sensitivity in seven OSCC-derived cell lines based upon cell viability assays. Among them, we isolated 2 CDDP-resistant cell lines (Ca9-22 and Ho-1-N-1). In addition to conducting PAFR-knockdown (siPAFR) experiments, we found that ginkgolide B (GB), a specific inhibitor of PAFR, enhanced both CDDP chemosusceptibility and apoptosis. We next evaluated the downstream signaling pathway of PAFR in siPAFR-treated cells and GB-treated cells after CDDP treatment. In both cases, we observed decreased phosphorylation of ERK and Akt and increased expression of cleaved caspase-3. These results suggest that PAFR is a therapeutic target for modulating CDDP sensitivity in OSCC cells. Thus, GB may be a novel drug that could enhance combination chemotherapy with CDDP for OSCC patients.
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Liang J, Yang B, Zhou X, Han Q, Zou J, Cheng L. Stimuli-responsive drug delivery systems for head and neck cancer therapy. Drug Deliv 2021; 28:272-284. [PMID: 33501883 PMCID: PMC7850355 DOI: 10.1080/10717544.2021.1876182] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/11/2021] [Indexed: 02/06/2023] Open
Abstract
Head and neck cancer (HNC) is among the most common malignancy that has a profound impact on human health and life quality. The treatment for HNC, especially for the advanced cancer is stage-dependent and in need of combined therapies. Various forms of adjuvant treatments such as chemotherapy, phototherapy, hyperthermia, gene therapy have been included in the HNC therapy. However, there are still restrictions with traditional administration such as limited in situ therapeutic effect, systemic toxicity, drug resistance, etc. In recent years, stimuli-responsive drug delivery systems (DDSs) have attracted the great attention in HNC therapy. These intelligent DDSs could respond to unique tumor microenvironment, external triggers or dual/multi stimulus with more specific drug delivery and release, leading to enhanced treatment efficiency and less reduced side effects. In this article, recent studies on stimuli-responsive DDSs for HNC therapy were summarized, which could respond to endogenous and exogenous triggers including pH, matrix metalloproteinases (MMPs), reactive oxygen species (ROS), redox condition, light, magnetic field and multi stimuli. Their therapeutic remarks, current limits and future prospect for these intelligent DDSs were discussed. Furthermore, multifunctional stimuli-responsive DDSs have also been reviewed. With the modification of drug carriers or co-loading with therapeutic agents. Those intelligent DDSs showed more biofunctions such as combined therapeutic effects or integration of diagnosis and treatment for HNC. It is believed that stimuli-responsive drug delivery systems showed great potential for future clinic translation and application for the treatment of HNC.
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Affiliation(s)
- Jingou Liang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Pediatric Dentistry, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Bina Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Cariology and Endodontics, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Cariology and Endodontics, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Qi Han
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Jing Zou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Pediatric Dentistry, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Lei Cheng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Cariology and Endodontics, West China School of Stomatology, Sichuan University, Chengdu, China
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8
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Li S, Shi Z, Fu S, Li Q, Li B, Sang L, Wu D. Exosomal-mediated transfer of APCDD1L-AS1 induces 5-fluorouracil resistance in oral squamous cell carcinoma via miR-1224-5p/nuclear receptor binding SET domain protein 2 (NSD2) axis. Bioengineered 2021; 12:7188-7204. [PMID: 34546854 PMCID: PMC8806529 DOI: 10.1080/21655979.2021.1979442] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Oral squamous cell carcinoma (OSCC) poses a threat to public health worldwide. LncRNA APCDD1L-AS1 has been reported to participate in tumorigenesis and development of acquired chemoresistance. However, the role of APCDD1L-AS1 in 5-fluorouracil (5-FU) resistance regulation within OSCC is still obscure. In this study, 5-FU-resistant cell models were established with OSCC cell lines (HSC-3 and HN-4). Gene expressions and protein levels were detected by RT-qPCR and Western blotting, respectively. CCK-8, colony forming, and flow cytometry were utilized to measure IC50 value, cell viability, and cell apoptosis of 5-FU-resistant OSCC cells. Dual-luciferase reporter assay and RIP assay were applied to identify the associations between miR-1224-5p and APCDD1L-AS1 or NSD2. Herein, high APCDD1L-AS1 expression was shown in OSCC tissues and cells resistant to 5-FU and related to the worse prognosis of OSCC patients. APCDD1L-AS1 knockdown impaired 5-FU resistance in 5-FU-resistant OSCC cells by reducing IC50 value, suppressing cell viability, and accelerating cell apoptosis. Besides, extracellular APCDD1L-AS1 could be transferred to sensitive cells via exosome incorporation, thereby transmitting 5-FU resistance in OSCC cells. Besides, miR-1224-5p was a molecular target of APCDD1L-AS1 and directly targeted NSD2 in 5-FU-resistant cells. MiR-1224-5p exhibited a much lower level in 5-FU-resistant tissues and increased 5-FU sensitivity in 5-FU-resistant OSCC cells. Moreover, NSD2 upregulation neutralized the influence of blocking APCDD1L-AS1 in HSC-3/5-FU and HN-4/5-FU cells on 5-FU resistance. To sum up, our study demonstrated that exosomal APCDD1L-AS1 conferred resistance to 5-FU in HSC-3/5-FU and HN-4/5-FU cells via the miR-1224-5p/NSD2 axis, thus providing a novel target for OSCC chemoresistance.
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Affiliation(s)
- Shen Li
- Department of Stomatology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China
| | - Zhiyan Shi
- Department of Stomatology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China
| | - Suwei Fu
- Department of Stomatology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China
| | - Qingfu Li
- Department of Stomatology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China
| | - Bei Li
- Department of Gastroenterology, Affiliated Xiaolan Hospital, Southern Medical University, Zhongshan, Henan, 450003, China
| | - Lixiao Sang
- Department of Gynecology and Obstetrics Birth Clinic, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China
| | - Donghong Wu
- Department of Stomatology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China
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Mu Q, Lv Y, Luo C, Liu X, Huang C, Xiu Y, Tang L. Research Progress on the Functions and Mechanism of circRNA in Cisplatin Resistance in Tumors. Front Pharmacol 2021; 12:709324. [PMID: 34566636 PMCID: PMC8458655 DOI: 10.3389/fphar.2021.709324] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 08/30/2021] [Indexed: 12/24/2022] Open
Abstract
Cisplatin is a common chemotherapeutic drug that has been used to treat of numerous tumors, including testicular, lung, bladder, ovarian, liver and head and neck cancers. Although clinical chemotherapy based on cisplatin has shown a remarkable therapeutic effect, the resistance to cisplatin becomes increasingly obvious as a patient uses it for a prolonged period. It not only affects the prognosis of these tumors, but also causes the recurrence of cancer and decreases the overall survival rate. The development of cisplatin resistance involves several mechanisms, including DNA damage repair, ATP-binding cassette (ABC) transporter, autophagy, cancer stem cells (CSCs), epithelial-mesenchymal transition (EMT), and other related signaling pathways. Interestingly, these mechanisms have been found to be influenced by circular RNAs (circRNAs) to regulate tumor proliferation, invasion, chemosensitivity, and other biological behaviors in the tumor microenvironment (TME). In recent years, circRNAs in cisplatin resistance in tumors, especially lung cancer and gastric cancer, have gradually drawn peoples' attention. This review summarizes recent studies on the functions and mechanisms of circRNAs in cisplatin resistance. We emphasize that circRNA can be used as a promising target gene to improve drug resistance and therapeutic efficacy.
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Affiliation(s)
- Qingchun Mu
- The People’s Hospital of Gaozhou, Gaozhou, China
| | - Yue Lv
- Department of Urology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Chunmei Luo
- The People’s Hospital of Gaozhou, Gaozhou, China
| | - Xiaojing Liu
- The People’s Hospital of Gaozhou, Gaozhou, China
| | | | - Youcheng Xiu
- Department of Urology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
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Peng J, Cui Y, Xu S, Wu X, Huang Y, Zhou W, Wang S, Fu Z, Xie H. Altered glycolysis results in drug-resistant in clinical tumor therapy. Oncol Lett 2021; 21:369. [PMID: 33747225 DOI: 10.3892/ol.2021.12630] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 12/23/2020] [Indexed: 12/13/2022] Open
Abstract
Cancer cells undergo metabolic reprogramming, including increased glucose metabolism, fatty acid synthesis and glutamine metabolic rates. These enhancements to three major metabolic pathways are closely associated with glycolysis, which is considered the central component of cancer cell metabolism. Increasing evidence suggests that dysfunctional glycolysis is commonly associated with drug resistance in cancer treatment, and aberrant glycolysis plays a significant role in drug-resistant cancer cells. Studies on the development of drugs targeting these abnormalities have led to improvements in the efficacy of tumor treatment. The present review discusses the changes in glycolysis targets that cause drug resistance in cancer cells, including hexokinase, pyruvate kinase, pyruvate dehydrogenase complex, glucose transporters, and lactate, as well the underlying molecular mechanisms and corresponding novel therapeutic strategies. In addition, the association between increased oxidative phosphorylation and drug resistance is introduced, which is caused by metabolic plasticity. Given that aberrant glycolysis has been identified as a common metabolic feature of drug-resistant tumor cells, targeting glycolysis may be a novel strategy to develop new drugs to benefit patients with drug-resistance.
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Affiliation(s)
- Jinghui Peng
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yangyang Cui
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Shipeng Xu
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Xiaowei Wu
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yue Huang
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Wenbin Zhou
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Shui Wang
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Ziyi Fu
- Nanjing Maternal and Child Health Medical Institute, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu 210004, P.R. China.,Department of Oncology, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Hui Xie
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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11
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Law ZJ, Khoo XH, Lim PT, Goh BH, Ming LC, Lee WL, Goh HP. Extracellular Vesicle-Mediated Chemoresistance in Oral Squamous Cell Carcinoma. Front Mol Biosci 2021; 8:629888. [PMID: 33768115 PMCID: PMC7985159 DOI: 10.3389/fmolb.2021.629888] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 01/12/2021] [Indexed: 12/11/2022] Open
Abstract
Oral Squamous Cell Carcinoma (OSCC) remains a cancer with poor prognosis and high recurrence rate. Even with multimodal treatment options available for OSCC, tumor drug resistance is still a persistent problem, leading to increased tumor invasiveness among OSCC patients. An emerging trend of thought proposes that extracellular vesicles (EVs) play a role in facilitating tumor progression and chemoresistance via signaling between tumor cells. In particular, exosomes and microvesicles are heavily implicated in this process by various studies. Where primary studies into a particular EV-mediated chemoresistance mechanism in OSCC are limited, similar studies on other cancer cell types will be used in the discussion below to provide ideas for a new line of investigation into OSCC chemoresistance. By understanding how EVs are or may be involved in OSCC chemoresistance, novel targeted therapies such as EV inhibition may be an effective alternative to current treatment options in the near future. In this review, the current understandings on OSCC drug mechanisms under the novel context of exosomes and microvesicles were reviewed, including shuttling of miRNA content, drug efflux, alteration of vesicular pH, anti-apoptotic signaling, modulation of DNA damage repair, immunomodulation, epithelial-to-mesenchymal transition and maintenance of tumor by cancer stem cells.
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Affiliation(s)
- Zhu-Jun Law
- School of Science, Monash University Malaysia, Selangor, Malaysia
| | - Xin Hui Khoo
- School of Science, Monash University Malaysia, Selangor, Malaysia
| | - Pei Tee Lim
- School of Science, Monash University Malaysia, Selangor, Malaysia
| | - Bey Hing Goh
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Biofunctional Molecule Exploratory (BMEX) Research Group, School of Pharmacy, Monash University Malaysia, Selangor, Malaysia
| | - Long Chiau Ming
- PAP Rashidah Sa’adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Wai-Leng Lee
- School of Science, Monash University Malaysia, Selangor, Malaysia
| | - Hui Poh Goh
- PAP Rashidah Sa’adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
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12
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Zhang N, Zeng L, Wang S, Wang R, Yang R, Jin Z, Tao H. LncRNA FER1L4 Promotes Oral Squamous Cell Carcinoma Progression via Targeting miR-133a-5p/Prx1 Axis. Onco Targets Ther 2021; 14:795-806. [PMID: 33568918 PMCID: PMC7869715 DOI: 10.2147/ott.s277351] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 12/29/2020] [Indexed: 12/19/2022] Open
Abstract
Background Oral squamous cell carcinoma (OSCC) is a common cancer especially young people in the world. The long non-coding RNA Fer-1-like protein 4 (FER1L4) has been reported to be closely associated with the progression of various human cancers. However, the role of FER1L4 in OSCC remains unclear. Methods The expression level of FER1L4 in OSCC tissues and cancer cell lines was detected by using quantitative real-time polymerase chain reaction (qRT-PCR). Cell proliferation was evaluated by cell counting kit-8 (CCK-8) assay and EdU staining assay. Cell invasion and migration were evaluated by Transwell assay. Cell apoptosis was detected by flow cytometry. Luciferase reporter assay was performed to determine the targeting relationship between FER1L4, miR-133a-5p and Prx1. The protein expression of Prx1 was detected by Western blot. In addition, a xenograft tumor model in vivo was constructed to confirm the function of FER1L4. Results FERIL4 was significantly upregulated in OSCC tissues and cancer cell lines. Moreover, high level of FER1L4 predicted a poor prognosis of OSCC patients. Silencing of FER1L4 not only significantly inhibited cell growth, invasion, migration and induced apoptosis in SCC-9 and HN4 cells in vitro, but also effectively suppressed the tumorigenesis of OSCC cells in vivo. Knockdown of FER1L4 significantly enhanced the expression of miR-133a-5p by sponging it, and then downregulated Prx1 expression. Conclusion Our study elucidated a new mechanism of lncRNA FER1L4 that promoting OSCC progression by directly targeting miR-133a-5p/Prx1 axis and provided novel therapeutic targets for OSCC.
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Affiliation(s)
- Nan Zhang
- Department of Stomatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xian, Shanxi, 710061, People's Republic of China
| | - Lingfang Zeng
- Department of Pediatric Stomatology, Jinan Stomatological Hospital, Jinan, Shandong, 250000, People's Republic of China
| | - Shouyi Wang
- Department of Oral and Maxillofacial Surgery, Jinan Stomatological Hospital, Jinan, Shandong, 250000, People's Republic of China
| | - Ronghua Wang
- Department of Pediatrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xian, Shanxi, 710061, People's Republic of China
| | - Rui Yang
- Department of Dental, Xi 'an Tianrui Institute of Stomatology, Xian, Shanxi, 710061, People's Republic of China
| | - Zuolin Jin
- Department of Orthodontics, Oral Hospital of the Fourth Military Medical University, Xian, Shanxi, 710032, People's Republic of China
| | - Hong Tao
- Department of Stomatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xian, Shanxi, 710061, People's Republic of China
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13
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Suenaga N, Kuramitsu M, Komure K, Kanemaru A, Takano K, Ozeki K, Nishimura Y, Yoshida R, Nakayama H, Shinriki S, Saito H, Jono H. Loss of Tumor Suppressor CYLD Expression Triggers Cisplatin Resistance in Oral Squamous Cell Carcinoma. Int J Mol Sci 2019; 20:ijms20205194. [PMID: 31635163 PMCID: PMC6829433 DOI: 10.3390/ijms20205194] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 10/16/2019] [Accepted: 10/19/2019] [Indexed: 02/06/2023] Open
Abstract
Cisplatin is one of the most effective chemotherapeutic agents commonly used for several malignancies including oral squamous cell carcinoma (OSCC). Although cisplatin resistance is a major obstacle to effective treatment and is associated with poor prognosis of OSCC patients, the molecular mechanisms by which it develops are largely unknown. Cylindromatosis (CYLD), a deubiquitinating enzyme, acts as a tumor suppressor in several malignancies. Our previous studies have shown that loss of CYLD expression in OSCC tissues is significantly associated with poor prognosis of OSCC patients. Here, we focused on CYLD expression in OSCC cells and determined whether loss of CYLD expression is involved in cisplatin resistance in OSCC and elucidated its molecular mechanism. In this study, to assess the effect of CYLD down-regulation on cisplatin resistance in human OSCC cell lines (SAS), we knocked-down the CYLD expression by using CYLD-specific siRNA. In cisplatin treatment, cell survival rates in CYLD knockdown SAS cells were significantly increased, indicating that CYLD down-regulation caused cisplatin resistance to SAS cells. Our results suggested that cisplatin resistance caused by CYLD down-regulation was associated with the mechanism through which both the reduction of intracellular cisplatin accumulation and the suppression of cisplatin-induced apoptosis via the NF-κB hyperactivation. Moreover, the combination of cisplatin and bortezomib treatment exhibited significant anti-tumor effects on cisplatin resistance caused by CYLD down-regulation in SAS cells. These findings suggest the possibility that loss of CYLD expression may cause cisplatin resistance in OSCC patients through NF-κB hyperactivation and may be associated with poor prognosis in OSCC patients.
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Affiliation(s)
- Naoki Suenaga
- Department of Clinical Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
| | - Mimi Kuramitsu
- Department of Clinical Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
| | - Kanae Komure
- Department of Clinical Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
| | - Ayumi Kanemaru
- Department of Clinical Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
| | - Kanako Takano
- Department of Clinical Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
| | - Kazuya Ozeki
- Department of Clinical Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
| | - Yuka Nishimura
- Department of Clinical Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
| | - Ryoji Yoshida
- Department of Oral and Maxillofacial Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
| | - Hideki Nakayama
- Department of Oral and Maxillofacial Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
| | - Satoru Shinriki
- Department of Molecular Laboratory Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
| | - Hideyuki Saito
- Department of Clinical Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
- Department of Pharmacy, Kumamoto University Hospital, Kumamoto 860-8556, Japan.
| | - Hirofumi Jono
- Department of Clinical Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 860-8556, Japan.
- Department of Pharmacy, Kumamoto University Hospital, Kumamoto 860-8556, Japan.
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14
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Lorenzo-Pouso AI, Pérez-Sayáns M, Rodríguez-Zorrilla S, Chamorro-Petronacci C, García-García A. Dissecting the Proton Transport Pathway in Oral Squamous Cell Carcinoma: State of the Art and Theranostics Implications. Int J Mol Sci 2019; 20:ijms20174222. [PMID: 31470498 PMCID: PMC6747091 DOI: 10.3390/ijms20174222] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 08/27/2019] [Accepted: 08/28/2019] [Indexed: 12/12/2022] Open
Abstract
Cancer cells overexpress proton exchangers at the plasma membrane in order acidify the extracellular matrix and maintain the optimal pH for sustaining cancer growth. Among the families of proton exchangers implicated in carcinogenesis, carbonic anhydrases (CAs), monocarboxylate transporters (MCTs), Na+/H+ exchangers (NHEs), sodium bicarbonate cotransporters (NBCs), and vacuolar ATPases (V-ATPases) are highlighted. Considerable research has been carried out into the utility of the understanding of these machineries in the diagnosis and prognosis of several solid tumors. In addition, as therapeutic targets, the interference of their functions has contributed to the discovery or optimization of cancer therapies. According to recent reports, the study of these mechanisms seems promising in the particular case of oral squamous cell carcinoma (OSCC). In the present review, the latest advances in these fields are summarized, in particular, the usefulness of proton exchangers as potential prognostic biomarkers and therapeutic targets in OSCC.
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Affiliation(s)
- Alejandro I Lorenzo-Pouso
- Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and Odontology, University of Santiago de Compostela, GI-1319 Research Group, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, 15782, Spain.
| | - Mario Pérez-Sayáns
- Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and Odontology, University of Santiago de Compostela, GI-1319 Research Group, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, 15782, Spain.
| | - Samuel Rodríguez-Zorrilla
- Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and Odontology, University of Santiago de Compostela, GI-1319 Research Group, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, 15782, Spain
| | - Cintia Chamorro-Petronacci
- Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and Odontology, University of Santiago de Compostela, GI-1319 Research Group, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, 15782, Spain
| | - Abel García-García
- Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and Odontology, University of Santiago de Compostela, GI-1319 Research Group, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, 15782, Spain
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15
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Khoo XH, Paterson IC, Goh BH, Lee WL. Cisplatin-Resistance in Oral Squamous Cell Carcinoma: Regulation by Tumor Cell-Derived Extracellular Vesicles. Cancers (Basel) 2019; 11:cancers11081166. [PMID: 31416147 PMCID: PMC6721547 DOI: 10.3390/cancers11081166] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 07/13/2019] [Accepted: 07/18/2019] [Indexed: 12/13/2022] Open
Abstract
Drug resistance remains a severe problem in most chemotherapy regimes. Recently, it has been suggested that cancer cell-derived extracellular vesicles (EVs) could mediate drug resistance. In this study, the role of EVs in mediating the response of oral squamous cell carcinoma (OSCC) cells to cisplatin was investigated. We isolated and characterized EVs from OSCC cell lines showing differential sensitivities to cisplatin. Increased EV production was observed in both de novo (H314) and adaptive (H103/cisD2) resistant lines compared to sensitive H103 cells. The protein profiles of these EVs were then analyzed. Differences in the proteome of EVs secreted by H103 and H103/cisD2 indicated that adaptation to cisplatin treatment caused significant changes in the secreted nanovesicles. Intriguingly, both resistant H103/cisD2 and H314 cells shared a highly similar EV protein profile including downregulation of the metal ion transporter, ATP1B3, in the EVs implicating altered drug delivery. ICP-MS analysis revealed that less cisplatin accumulated in the resistant cells, but higher levels were detected in their EVs. Therefore, we inhibited EV secretion from the cells using a proton pump inhibitor and observed an increased drug sensitivity in cisplatin-resistant H314 cells. This finding suggests that control of EV secretion could be a potential strategy to enhance the efficacy of cancer treatment.
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Affiliation(s)
- Xin-Hui Khoo
- School of Science, Monash University Malaysia, Subang Jaya 47500, Selangor, Malaysia
| | - Ian C Paterson
- Department of Oral and Craniofacial Sciences, University Malaya, Kuala Lumpur 50603, Malaysia
| | - Bey-Hing Goh
- Biofunctional Molecule Exploratory Research Group (BMEX), School of Pharmacy, Monash University Malaysia, Subang Jaya 47500, Selangor, Malaysia
- Health and Well-being Cluster, Global Asia in the 21st Century (GA21) Platform, Monash University Malaysia, Subang Jaya 47500, Selangor, Malaysia
| | - Wai-Leng Lee
- School of Science, Monash University Malaysia, Subang Jaya 47500, Selangor, Malaysia.
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De Vera AA, Gupta P, Lei Z, Liao D, Narayanan S, Teng Q, Reznik SE, Chen ZS. Immuno-oncology agent IPI-549 is a modulator of P-glycoprotein (P-gp, MDR1, ABCB1)-mediated multidrug resistance (MDR) in cancer: In vitro and in vivo. Cancer Lett 2018; 442:91-103. [PMID: 30391357 DOI: 10.1016/j.canlet.2018.10.020] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 10/08/2018] [Accepted: 10/17/2018] [Indexed: 01/11/2023]
Abstract
Phosphoinositide 3-kinase gamma isoform (PI3Kγ) plays a critical role in myeloid-derived cells of the immunosuppressive tumor microenvironment. IPI-549, a recently discovered small molecule selective PI3Kγ inhibitor, is currently under immuno-oncology clinical trials in combination with nivolumab, an anti-PD-1 monoclonal antibody immune checkpoint blocker. The purpose of this study is to investigate whether IPI-549 could reverse P-glycoprotein (P-gp)-mediated MDR when combined with chemotherapeutic substrates of P-gp. Cytotoxicity assays showed that IPI-549 reverses P-gp-mediated MDR in SW620/Ad300 and LLC-PK-MDR1 cells. IPI-549 increases the amount of intracellular paclitaxel and inhibits the efflux of paclitaxel out of SW620/Ad300 cells. ABCB1-ATPase assay showed that IPI-549 stimulates the activity of ABCB1-ATPase. IPI-549 does not alter the expression and does not affect the subcellular localization of P-gp in SW620/Ad300 cells. The combination of IPI-549 with paclitaxel showed that IPI-549 potentiates the anti-tumor effects of paclitaxel in P-gp-overexpressing MDR SW620/Ad300 xenograft tumors. With clinical trials beginning to add newly approved immune checkpoint-based immunotherapy into standard-of-care immunogenic chemotherapy to improve patient outcomes, our findings support the rationale of adding IPI-549 to both the chemotherapeutic and immunotherapeutic aspects of cancer combination treatment strategies.
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Affiliation(s)
- Albert A De Vera
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Pranav Gupta
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Zining Lei
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Dan Liao
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Silpa Narayanan
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Qiuxu Teng
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Sandra E Reznik
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA; Department of Pathology and Obstetrics, Albert Einstein College of Medicine, Bronx, NY, 10461, USA; Department of Gynecology and Women's Health, Albert Einstein College of Medicine, Bronx, NY, 10461, USA.
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA.
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17
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Huang K, Liu D. Suppression of c-MET overcomes erlotinib resistance in tongue cancer cells. Onco Targets Ther 2018; 11:5499-5508. [PMID: 30233210 PMCID: PMC6134955 DOI: 10.2147/ott.s167936] [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] [Indexed: 11/23/2022] Open
Abstract
Background Erlotinib is a commonly used molecular-targeted drug for the treatment of tongue cancer. However, the development of acquired resistance to erlotinib hampers its therapeutic use. Materials and methods To analyze the erlotinib resistance, long-term and short term survival assay were used to compare the resistance between parental and resistant tongue cancer cells. Flow cytometry, Hochest staining and western blot were used to analyze the apoptosis among the cells. Moreover, Transwell and wound healing assay were used to compare the invasion ability of the cells. To deeply explore the drug resistance in vivo, orthotopic tumor studies were applied. Finally, to explain the mechanism of c-met in erlotinib resistance, shRNA against c-met was used to down-regulate the expression of c-met. And SU11274 also used in orthotopic model. Results We established erlotinib-resistant human tongue cancer cell line by chronic exposure of TCA-8113 cells to increasing concentrations of erlotinib and determined the role of c-MET and EGFR in the development of acquired resistance. We found a significant increase in the phosphorylation of c-MET and an obvious decrease of the phosphorylation of EGFR in erlotinib-resistant cells. Our results also revealed that inhibition of c-MET alone with SU11274 exerted an inhibitory effect on the proliferation of erlotinib-resistant cells in the short term; however, it failed to sustain the inhibitory effect in the long term. Simultaneous inhibition of c-MET and EGFR significantly inhibited the proliferation of erlotinib-resistant cells in both a short and long period. Furthermore, we explored the underlying mechanism and found that treatment of erlotinib-resistant cells with SU11274 or shRNA against c-MET induced the phosphorylation of EGFR. Moreover, our results demonstrated that simultaneous inhibition of c-MET and EGFR significantly inhibited the migration and invasion of erlotinib-resistant cells. Conclusion Taken together, our results suggested that c-MET is involved in acquired drug resistance to erlotinib and that cotargeting of EGFR and c-MET could overcome acquired resistance to erlotinib and inhibit the invasion and metastasis of erlotinib-resistant cells.
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Affiliation(s)
- Keqiang Huang
- Department of Orthodontics, School of Stomatology, Shandong University, Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China,
| | - Dongxu Liu
- Department of Orthodontics, School of Stomatology, Shandong University, Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China,
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18
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Aspirin is Involved in the Cell Cycle Arrest, Apoptosis, Cell Migration, and Invasion of Oral Squamous Cell Carcinoma. Int J Mol Sci 2018; 19:ijms19072029. [PMID: 30002310 PMCID: PMC6073368 DOI: 10.3390/ijms19072029] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/05/2018] [Accepted: 07/07/2018] [Indexed: 01/04/2023] Open
Abstract
Oral squamous cell carcinoma (OSCC) is one of the most common cancers worldwide. In China, its 5-year survival rate is roughly 50%, owing to acquired chemotherapeutic resistance and metastasis of the disease. Accumulating evidence demonstrates that aspirin (ASA) acts as a preventive or therapeutic agent in multiple cancers; however, anti-tumor activities induced by aspirin are unclear in OSCC. To investigate the possible role of aspirin in OSCC development, we first employed bioinformatics to analyze the anti-OSCC effects of aspirin. We performed a genetic oncology (GO) enrichment analysis using the Database for Annotation, Visualization, and Integrated Discovery (DAVID), and the protein⁻protein interaction (PPI) network analysis by Cytoscape for differentially expressed genes (DEGs). We also evaluated the potential effects of aspirin on cell proliferation, invasion, migration, and apoptosis in two well-characterized OSCC cell lines (TCA8113 and CAL27). The bioinformatic results revealed that aspirin could inhibit proliferation by blocking the cell cycle, and could reduce migration and invasion via the PI3K-Akt and focal adhesion pathways. We found that ASA could downregulate the OSCC cell proliferation colony formation, invasion, and migration, as well as upregulate apoptosis. Furthermore, we found that ASA suppressed the activation of the focal adhesion kinase (FAK) and the phosphorylation of Akt, NF-κB, and STAT3. Overall, our data suggested that ASA may be developed as a chemopreventive agent to effectively treat OSCC.
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19
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Kuang Y, Wang S, Tang L, Hai J, Yan G, Liao L. Cluster of differentiation 147 mediates chemoresistance in breast cancer by affecting vacuolar H +-ATPase expression and activity. Oncol Lett 2018; 15:7279-7290. [PMID: 29731886 DOI: 10.3892/ol.2018.8199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Accepted: 02/01/2018] [Indexed: 01/01/2023] Open
Abstract
Vacuolar H+-ATPase (V-ATPase) serves a key role in adjusting and maintaining the intracellular pH, as well as in regulating the drug resistance of tumor cells. In recent years, the expression level of V-ATPase has been considered to be able to predict the sensitivity of breast cancer cells to chemotherapy drugs. Cluster of differentiation 147 (CD147) is known to serve a key role in the development and progression of breast cancer. The present study aimed to identify the role CD147 and V-ATPase in chemoresistance in breast cancer, and to characterize the regulation of CD147 on V-ATPase. Firstly, the expression levels of CD147 and V-ATPase were detected in chemotherapy-resistance breast cancer samples. It was demonstrated that V-ATPase was highly expressed in chemotherapy-resistance breast cancer samples, and that its expression was correlated with CD147 expression. Subsequently, MCF-7 and MDA-MB-231 cells were used to study the regulatory effect of CD147 on the expression and function of V-ATPase. Gene transfection or small interfering RNA transfection were used to control the expression of CD147 in the two cell lines. The results revealed that the overexpression of CD147 increased the expression of V-ATPase in MCF-7 cells, whereas CD147 knockdown decreased V-ATPase expression in MDA-MB-231 cells. It was also observed that CD147 affected the V-ATPase activity, regulating the transmembrane pH gradient of cancer cells. These results demonstrated that CD147 was associated with the sensitivity of chemotherapeutic drugs of epirubicin and docetaxel, while pantoprazole was able to partially reverse the CD147-mediated chemoresistance in breast cancer. Therefore, the current study provided a possible mechanism for further examination of drug resistance in breast cancer.
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Affiliation(s)
- Yehong Kuang
- Department of Dermatology, Hunan Clinical Meditech Research Center for Breast Cancer, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Shouman Wang
- Department of Breast Surgery, Hunan Clinical Meditech Research Center for Breast Cancer, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Lili Tang
- Department of Breast Surgery, Hunan Clinical Meditech Research Center for Breast Cancer, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Jian Hai
- Department of Breast Surgery, Hunan Clinical Meditech Research Center for Breast Cancer, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Guojiao Yan
- Department of Breast Surgery, Hunan Clinical Meditech Research Center for Breast Cancer, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Liqiu Liao
- Department of Breast Surgery, Hunan Clinical Meditech Research Center for Breast Cancer, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
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20
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Rethinking the Combination of Proton Exchanger Inhibitors in Cancer Therapy. Metabolites 2017; 8:metabo8010002. [PMID: 29295495 PMCID: PMC5875992 DOI: 10.3390/metabo8010002] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 12/16/2017] [Accepted: 12/21/2017] [Indexed: 12/22/2022] Open
Abstract
Microenvironmental acidity is becoming a key target for the new age of cancer treatment. In fact, while cancer is characterized by genetic heterogeneity, extracellular acidity is a common phenotype of almost all cancers. To survive and proliferate under acidic conditions, tumor cells up-regulate proton exchangers and transporters (mainly V-ATPase, Na+/H+ exchanger (NHE), monocarboxylate transporters (MCTs), and carbonic anhydrases (CAs)), that actively extrude excess protons, avoiding intracellular accumulation of toxic molecules, thus becoming a sort of survival option with many similarities compared with unicellular microorganisms. These systems are also involved in the unresponsiveness or resistance to chemotherapy, leading to the protection of cancer cells from the vast majority of drugs, that when protonated in the acidic tumor microenvironment, do not enter into cancer cells. Indeed, as usually occurs in the progression versus malignancy, resistant tumor clones emerge and proliferate, following a transient initial response to a therapy, thus giving rise to more malignant behavior and rapid tumor progression. Recent studies are supporting the use of a cocktail of proton exchanger inhibitors as a new strategy against cancer.
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21
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Fang Z, Zhao J, Xie W, Sun Q, Wang H, Qiao B. LncRNA UCA1 promotes proliferation and cisplatin resistance of oral squamous cell carcinoma by sunppressing miR-184 expression. Cancer Med 2017; 6:2897-2908. [PMID: 29125238 PMCID: PMC5727307 DOI: 10.1002/cam4.1253] [Citation(s) in RCA: 164] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 10/06/2017] [Accepted: 10/10/2017] [Indexed: 12/13/2022] Open
Abstract
Chemotherapy resistance has become the main obstacle for the effective treatment of human cancers. Long non‐coding RNA urothelial cancer associated 1 (UCA1) is generally regarded as an oncogene in some cancers. However, the function and molecular mechanism of UCA1 implicated in cisplatin (CDDP) chemoresistance of oral squamous cell carcinoma (OSCC) is still not fully established. UCA1 expression in tumor tissues and cells was tested by qRT‐PCR. MTT, flow cytometry and caspase‐3 activity analysis were explored to evaluate the CDDP sensitivity in OSCC cells. Western blot analysis was used to measure BCL2, Bax and SF1 protein expression. Luciferase reporter assay was conducted to investigate the molecular relationship between UCA1, miR‐184, and SF1. Nude mice model was used to confirm the functional role of UCA1 in CDDP resistance in vivo. UCA1 expression was upregulated in OSCC tissues, cell lines, and CDDP resistant OSCC cells. Function analysis revealed that UCA1 facilitated proliferation, enhanced CDDP chemoresistance, and suppressed apoptosis in OSCC cells. Mechanisms investigation indicated that UCA1 could interact with miR‐184 to repress its expression. Rescue experiments suggested that downregulation of miR‐184 partly reversed the tumor suppression effect and CDDP chemosensitivity of UCA1 knockdown in CDDP‐resistant OSCC cells. Moreover, UCA1 could perform as a miR‐184 sponge to modulate SF1 expression. The OSCC nude mice model experiments demonstrated that depletion of UCA1 further boosted CDDP‐mediated repression effect on tumor growth. UCA1 accelerated proliferation, increased CDDP chemoresistance and restrained apoptosis partly through modulating SF1 via sponging miR‐184 in OSCC cells, suggesting that targeting UCA1 may be a potential therapeutic strategy for OSCC patients
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Affiliation(s)
- Zheng Fang
- Department of Stomatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Junfang Zhao
- Department of Stomatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Weihong Xie
- Department of Stomatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Qiang Sun
- Department of Stomatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Haibin Wang
- Department of Stomatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Bin Qiao
- Department of Stomatology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
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Li X, Ding R, Han Z, Ma Z, Wang Y. Targeting of cell cycle and let-7a/STAT3 pathway by niclosamide inhibits proliferation, migration and invasion in oral squamous cell carcinoma cells. Biomed Pharmacother 2017; 96:434-442. [PMID: 29031202 DOI: 10.1016/j.biopha.2017.09.149] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 08/24/2017] [Accepted: 09/13/2017] [Indexed: 02/08/2023] Open
Abstract
The low median survival rate of oral squamous cell carcinoma (OSCC) is associated with chemotherapeutic resistance. Niclosamide is an oral anti-helminthic drug, its anti-cancer effect has been reported in recent years. However, the effect of niclosamide on OSCC remains largely unknown. In this study, we, for the first time, investigated the underlying mechanisms from cell cycle arrest and let-7a/STAT3 axis through CCK-8, cell cycle, apoptosis, wound healing, Transwell invasion, generation of stable cell line, real-time PCR, and western blot assays using two OSCC cell lines WSU-HN6 and Tca83. We showed that niclosamide could inhibit OSCC cells proliferation through causing cell cycle arrest in G1 phase and promoting apoptosis, while the cell cycle-related proteins MCM2, MCM7, CDK2 and CDK4 were downregulated and the apoptosis-related proteins p53 and cleaved caspase-3 were upregulated. Furthermore, niclosamide could inhibit migration and invasion of OSCC through upregulation of let-7a expression and downregulation of p-STAT3 expression. What is more, we established the stably expressing let-7a cell line (HN6-let-7a). Like niclosamide, HN6-let-7a could decrease the ability of the cell migration, invasion as well as the expression of p-STAT3. Collectively, our study finds the new mechanisms that niclosamide inhibits OSCC proliferation through causing cell cycle arrest in G1 phase via downregulation of the above cell cycle-related genes; promotes OSCC apoptosis through upregulation of pro-apoptotic genes; decreases migration and invasion of OSCC by let-7a/STAT3 axis, thus providing a preferred therapeutic candidate for OSCC in future.
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Affiliation(s)
- Xiaoxu Li
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, China; Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China, China
| | - Ruiyu Ding
- Department of VIP Service, Peking University School and Hospital of Stomatology, Beijing, China
| | - Zewen Han
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China, China
| | - Zeyun Ma
- Department of VIP Service, Peking University School and Hospital of Stomatology, Beijing, China.
| | - Yixiang Wang
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, China; Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China, China.
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23
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Lu ZN, Tian B, Guo XL. Repositioning of proton pump inhibitors in cancer therapy. Cancer Chemother Pharmacol 2017; 80:925-937. [PMID: 28861639 DOI: 10.1007/s00280-017-3426-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 08/24/2017] [Indexed: 12/12/2022]
Abstract
Drug repositioning, as a smart way to exploit new molecular targets of a known drug, has been gaining increasing attention in the discovery of anti-cancer drugs. Proton pump inhibitors (PPIs) as benzimidazole derivatives, which are essentially H+-K+-ATPases inhibitors, are commonly used in the treatment of acid-related diseases such as gastric ulcer. In recent years, exploring the new application of PPIs in anti-cancer field has become a hot research topic. Interestingly, cancer cells display an alkaline intracellular pH and an acidic extracellular pH. The extracellular acidity of tumors can be corrected by PPIs that are selectively activated in an acid milieu. It is generally believed that PPIs might provoke disruption of pH homeostasis by targeting V-ATPase on cancer cells, which is the theoretical basis for PPIs to play an anti-cancer role. Numerous studies have shown specialized effects of the PPIs on tumor cell growth, metastasis, chemoresistance, and autophagy. PPIs may really represent new anti-cancer drugs due to better safety and tolerance, the potential selectivity in targeting tumor acidity, and the ability to inhibit mechanism pivotal for cancer homeostasis. In this review, we focus on the new therapeutic applications of PPIs in multiple cancers, explaining the rationale behind this approach and providing practical evidence.
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Affiliation(s)
- Zhen-Ning Lu
- Department of Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, No. 44 Wen Hua Xi Road, Jinan, 250012, People's Republic of China
| | - Bing Tian
- Department of Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, No. 44 Wen Hua Xi Road, Jinan, 250012, People's Republic of China
| | - Xiu-Li Guo
- Department of Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, No. 44 Wen Hua Xi Road, Jinan, 250012, People's Republic of China.
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24
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Cui MT, Jiang L, Goto M, Hsu PL, Li L, Zhang Q, Wei L, Yuan SJ, Hamel E, Morris-Natschke SL, Lee KH, Xie L. In Vivo and Mechanistic Studies on Antitumor Lead 7-Methoxy-4-(2-methylquinazolin-4-yl)-3,4-dihydroquinoxalin-2(1H)-one and Its Modification as a Novel Class of Tubulin-Binding Tumor-Vascular Disrupting Agents. J Med Chem 2017; 60:5586-5598. [PMID: 28653846 DOI: 10.1021/acs.jmedchem.7b00273] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
7-Methoxy-4-(2-methylquinazolin-4-yl)-3,4-dihydroquinoxalin-2(1H)-one (2), a promising anticancer lead previously identified by us, inhibited tumor growth by 62% in mice at 1.0 mg/kg without obvious signs of toxicity. Moreover, compound 2 exhibited extremely high antiproliferative activity in the NIH-NCI 60 human tumor cell line panel, with low to sub-nanomolar GI50 values (10-10 M level). It also showed a suitable balance between aqueous solubility and lipophilicity, as well as moderate metabolic stability in vivo. Mechanistic studies using Mayer's hematoxylin and eosin and immunohistochemistry protocols on xenograft tumor tissues showed that 2 inhibited tumor cell proliferation, induced apoptosis, and disrupted tumor vasculature. Moreover, evaluation of new synthetic analogues (6a-6t) of 2 indicated that appropriate 2-substitution on the quinazoline ring could enhance antitumor activity and improve druglike properties. Compound 2 and its analogues with a 4-(2-methylquinazolin-4-yl)-3,4-dihydroquinoxalin-2(1H)-one scaffold thus represent a novel class of tubulin-binding tumor-vascular disrupting agents (tumor-VDAs) that target established blood vessels in tumors.
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Affiliation(s)
- Mu-Tian Cui
- Beijing Institute of Pharmacology and Toxicology , 27 Tai-Ping Road, Beijing 100850, China
| | - Li Jiang
- Beijing Institute of Pharmacology and Toxicology , 27 Tai-Ping Road, Beijing 100850, China
| | - Masuo Goto
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina , Chapel Hill, North Carolina 27599, United States
| | - Pei-Ling Hsu
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina , Chapel Hill, North Carolina 27599, United States
| | - Linna Li
- Beijing Institute of Radiation Medicine , 27 Tai-Ping Road, Beijing 100850, China
| | - Qi Zhang
- Beijing Institute of Radiation Medicine , 27 Tai-Ping Road, Beijing 100850, China
| | - Lei Wei
- Beijing Institute of Pharmacology and Toxicology , 27 Tai-Ping Road, Beijing 100850, China
| | - Shou-Jun Yuan
- Beijing Institute of Radiation Medicine , 27 Tai-Ping Road, Beijing 100850, China
| | - Ernest Hamel
- Screening Technologies Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Frederick National Laboratory for Cancer Research, National Institutes of Health , Frederick, Maryland 21702, United States
| | - Susan L Morris-Natschke
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina , Chapel Hill, North Carolina 27599, United States
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina , Chapel Hill, North Carolina 27599, United States.,Chinese Medicine Research and Development Center, China Medical University and Hospital , Taichung 40402, Taiwan
| | - Lan Xie
- Beijing Institute of Pharmacology and Toxicology , 27 Tai-Ping Road, Beijing 100850, China.,Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina , Chapel Hill, North Carolina 27599, United States
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25
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Lin XJ, He CL, Sun T, Duan XJ, Sun Y, Xiong SJ. hsa-miR-485-5p reverses epithelial to mesenchymal transition and promotes cisplatin-induced cell death by targeting PAK1 in oral tongue squamous cell carcinoma. Int J Mol Med 2017; 40:83-89. [PMID: 28535002 PMCID: PMC5466395 DOI: 10.3892/ijmm.2017.2992] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 04/07/2017] [Indexed: 11/16/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) is currently a highly prevalent disease worldwide. Cisplatin (CDDP) is widely used for the chemotherapy of OSCC. Yet, the molecular mechanisms responsible for cisplatin resistance have not been fully elucidated. In this study, we showed that overexpression of p21 (RAC1) activated kinase 1 (PAK1) induced epithelial to mesenchymal transition (EMT) and significantly promoted the invasion and migration of oral squamous cell carcinoma SCC25 cells. Emerging evidence indicates a strong link between resistance to therapy and the induction of EMT in cancer. We showed that overexpression of PAK1 induced cisplatin resistance in SCC25 cells. ERCC1 and YAP can promote cisplatin resistance in human OSCC. We showed that ERCC1 and YAP protein were upregulated by PAK1 in SCC25 cells. We found that miR-485-5p inhibited PAK1 protein expression in the SCC25 cells. Contrary to PAK1, we demonstrated that overexpression of miR-485-5p reversed EMT and significantly inhibited invasion and migration. Moreover, its overexpression sensitized SCC25-CR cells (cisplatin-resistant cells) to cisplatin. Thus, we conclude that miR-485-5p reverses EMT and promotes cisplatin-induced cell death by targeting PAK1 in oral tongue squamous cell carcinoma. This study suggests that PAK1 plays an essential role in the progression of OSCC and it is a potential therapeutic target for OSCC.
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Affiliation(s)
- Xiu-Juan Lin
- Department of VIP Center and Shandong Provincial Key Laboratory of Oral Biomedicine, School and Hospital of Stomatology, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Chang-Li He
- Department of Stomatology, Qianfoshan Hospital Affiliated to Shandong University, Jinan, Shandong 250014, P.R. China
| | - Ting Sun
- Department of Stomatology, Yidu Central Hospital of Weifang, Weifang, Shandong 262500, P.R. China
| | - Xue-Jing Duan
- Department of Stomatology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
| | - Yi Sun
- Department of Special Clinic, Weifang Stomatological Hospital, Weifang, Shandong 261021, P.R. China
| | - Shi-Jiang Xiong
- Department of VIP Center and Shandong Provincial Key Laboratory of Oral Biomedicine, School and Hospital of Stomatology, Shandong University, Jinan, Shandong 250012, P.R. China
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26
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Wang YJ, Zhang YK, Zhang GN, Al Rihani SB, Wei MN, Gupta P, Zhang XY, Shukla S, Ambudkar SV, Kaddoumi A, Shi Z, Chen ZS. Regorafenib overcomes chemotherapeutic multidrug resistance mediated by ABCB1 transporter in colorectal cancer: In vitro and in vivo study. Cancer Lett 2017; 396:145-154. [PMID: 28302530 DOI: 10.1016/j.canlet.2017.03.011] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 03/03/2017] [Accepted: 03/07/2017] [Indexed: 01/14/2023]
Abstract
Chemotherapeutic multidrug resistance (MDR) is a significant challenge to overcome in clinic practice. Several mechanisms contribute to MDR, one of which is the augmented drug efflux induced by the upregulation of ABCB1 in cancer cells. Regorafenib, a multikinase inhibitor targeting the RAS/RAF/MEK/ERK pathway, was approved by the FDA to treat metastatic colorectal cancer and gastrointestinal stromal tumors. We investigated whether and how regorafenib overcame MDR mediated by ABCB1. The results showed that regorafenib reversed the ABCB1-mediated MDR and increased the accumulation of [3H]-paclitaxel in ABCB1-overexpressing cells by suppressing efflux activity of ABCB1, but not altering expression level and localization of ABCB1. Regorafenib inhibited ATPase activity of ABCB1. In mice bearing resistant colorectal tumors, regorafenib raised the intratumoral concentration of paclitaxel and suppressed the growth of resistant colorectal tumors. But regorafenib did not induce cardiotoxicity/myelosuppression of paclitaxel in mice. Strategy to reposition one FDA-approved anticancer drug regorafenib to overcome the resistance of another FDA-approved, widely used chemotherapeutic paclitaxel, may be a promising direction for the field of adjuvant chemotherapy. This study provides clinical rationale for combination of conventional chemotherapy and targeted anticancer agents.
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Affiliation(s)
- Yi-Jun Wang
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Yun-Kai Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Guan-Nan Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Sweilem B Al Rihani
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, The University of Louisiana at Monroe, Monroe, LA 71201, USA
| | - Meng-Ning Wei
- Department of Cell Biology & Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, Guangdong Provincial Key Laboratory of Bioengineering Medicine, College of Life Science and Technology, Jinan University, Guangzhou, Guangdong 510632, China
| | - Pranav Gupta
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Xiao-Yu Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Suneet Shukla
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Suresh V Ambudkar
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Amal Kaddoumi
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, The University of Louisiana at Monroe, Monroe, LA 71201, USA
| | - Zhi Shi
- Department of Cell Biology & Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, Guangdong Provincial Key Laboratory of Bioengineering Medicine, College of Life Science and Technology, Jinan University, Guangzhou, Guangdong 510632, China.
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China.
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27
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Spugnini E, Fais S. Proton pump inhibition and cancer therapeutics: A specific tumor targeting or it is a phenomenon secondary to a systemic buffering? Semin Cancer Biol 2017; 43:111-118. [PMID: 28088584 DOI: 10.1016/j.semcancer.2017.01.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 12/21/2016] [Accepted: 01/06/2017] [Indexed: 01/17/2023]
Abstract
One of the unsolved mysteries in oncology includes the strategies that cancer cells adopt to cope with an adverse microenvironment. However, we knew, from the Warburg's discovery that through their metabolism based on sugar fermentation, cancer cells acidify their microenvironment and this progressive acidification induces a selective pressure, leading to the development of very malignant cells entirely armed to survive in the hostile microenvironment generated by their own metabolism. In the last decades a primordial role for proton exchangers has been supported as a key tumor advantage in facing off the acidic milieu. Proton exchangers do not allow intracellular acidification through a continuous elimination of H+ either outside the cells or within the internal vacuoles. This article wants to comment a translational process through that led to the preclinical demonstration that a class of proton pump inhibitors (PPI) exploited worldwide for peptic ulcer treatment and gastroprotection are indeed powerful chemosensitizers as well. In this process we achieved the clinical proof of concept that PPI may well be included in new anti-cancer strategies with a solid background and rationale.
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Affiliation(s)
- Enrico Spugnini
- SAFU, Regina Elena Cancer Institute, Via Chianesi 53, 00134 Rome, Italy
| | - Stefano Fais
- Dept. of Therapeutic Research and Medicines Evaluation Istituto Superiore di Sanità (National Institute of Health), Viale Regina Elena 299, Rome Italy.
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28
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Granja S, Tavares-Valente D, Queirós O, Baltazar F. Value of pH regulators in the diagnosis, prognosis and treatment of cancer. Semin Cancer Biol 2017; 43:17-34. [PMID: 28065864 DOI: 10.1016/j.semcancer.2016.12.003] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 12/15/2016] [Accepted: 12/29/2016] [Indexed: 02/07/2023]
Abstract
Altered metabolism, associated with acidification of the extracellular milieu, is one of the major features of cancer. As pH regulation is crucial for the maintenance of all biological functions, cancer cells rely on the activity of lactate exporters and proton transporters to regulate their intracellular pH. The major players in cancer pH regulation are proton pump ATPases, sodium-proton exchangers (NHEs), monocarboxylate transporters (MCTs), carbonic anhydrases (CAs) and anion exchangers (AEs), which have been shown to be upregulated in several human malignancies. Thanks to the activity of the proton pumps and transporters, tumours acidify their microenvironment, becoming more aggressive and resistant to therapy. Thus, targeting tumour pH may contribute to more effective anticancer strategies for controlling tumour progression and therapeutic resistance. In the present study, we review the role of the main pH regulators expressed in human cancer cells, including their diagnostic and prognostic value, as well as their usefulness as therapeutic targets.
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Affiliation(s)
- Sara Granja
- Life and Health Sciences Research Institute (ICVS)/School of Medicine/University of Minho, Campus de Gualtar, Braga, 4710-057, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Diana Tavares-Valente
- Life and Health Sciences Research Institute (ICVS)/School of Medicine/University of Minho, Campus de Gualtar, Braga, 4710-057, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal; IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal
| | - Odília Queirós
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal; CBMA - Center of Molecular and Environmental Biology/Department of Biology/University of Minho, Campus de Gualtar, Braga, 4710-057, Portugal
| | - Fátima Baltazar
- Life and Health Sciences Research Institute (ICVS)/School of Medicine/University of Minho, Campus de Gualtar, Braga, 4710-057, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
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29
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Fais S. Evidence-based support for the use of proton pump inhibitors in cancer therapy. J Transl Med 2015; 13:368. [PMID: 26597250 PMCID: PMC4657328 DOI: 10.1186/s12967-015-0735-2] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 11/18/2015] [Indexed: 01/06/2023] Open
Abstract
‘We can only cure what we can understand first’, said Otto H. Warburg, the 1931 Nobel laureate for his discovery on tumor metabolism. Unfortunately, we still don’t know too much the mechanisms underlying of cancer development and progression. One of the unsolved mystery includes the strategies that cancer cells adopt to cope with an adverse microenvironment. However, we knew, from the Warburg’s discovery, that through their metabolism based on sugar fermentation, cancer cells acidify their microenvironment and this progressive acidification induces a selective pressure, leading to development of very malignant cells entirely armed to survive in the hostile microenvironment generated by their own metabolism. One of the most mechanism to survive to the acidic tumor microenvironment are proton exchangers not allowing intracellular acidification through a continuous elimination of H+ either outside the cells or within the internal vacuoles. This article wants to comment a translational process through which from the preclinical demonstration that a class of proton pump inhibitors (PPI) exploited worldwide for peptic ulcer treatment and gastroprotection are indeed chemosensitizers as well, we have got to the clinical proof of concept that PPI may well be included in new anti-cancer strategies, and with a solid background and rationale.
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Affiliation(s)
- Stefano Fais
- Department of Therapeutic Research and Medicines Evaluation, National Institute of Health (Istituto Superiore di Sanità), Viale Regina Elena 299, 00161, Rome, Italy.
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30
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Promraksa B, Daduang J, Chaiyarit P, Tavichakorntrakool R, Khampitak T, Rattanata N, Tangrassameeprasert R, Boonsiri P. Cytotoxicity of Cratoxylum Formosum Subsp. Pruniflorum Gogel Extracts in Oral Cancer Cell Lines. Asian Pac J Cancer Prev 2015; 16:7155-9. [DOI: 10.7314/apjcp.2015.16.16.7155] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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31
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Zhang N, Chen H, Liu AY, Shen JJ, Shah V, Zhang C, Hong J, Ding Y. Gold conjugate-based liposomes with hybrid cluster bomb structure for liver cancer therapy. Biomaterials 2015; 74:280-91. [PMID: 26461120 DOI: 10.1016/j.biomaterials.2015.10.004] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 09/28/2015] [Accepted: 10/01/2015] [Indexed: 01/06/2023]
Abstract
Hybrid drug delivery system containing both organic and inorganic nanocarriers is expected to achieve its complementary advantages for the aim of improving the performance of antineoplastic drugs in tumor therapy. Here we report the use of liposomes and gold nanoparticles to construct a liposome with a hybrid Cluster Bomb structure and discuss its unique multi-order drug release property for liver tumor treatment. A very simple method is used for the hybrid liposome preparation and involves mixing two solutions containing liposomes loaded with either non-covalent or covalent Paclitaxel (PTX, namely free PTX or PTX-conjugated GNPs, respectively) by different ratio of volume (25:75, 50:50, 25:75, v/v). Various mixed liposomes were tested to determine the optimal conditions for maximum drug delivery. The optimized liposome was then tested using xenograft Heps tumor-bearing mice and showed the best efficacy for chemotherapeutic inhibition of tumor at PTX liposome: PTX-conjugated GNP liposome of 25:75 ratio (v/v). This system allows for simple and easy preparation while providing a more accurate site- and time-release mode for tumor treatment using antitumor drugs.
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Affiliation(s)
- Ning Zhang
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, China
| | - Huan Chen
- Department of Biochemistry, School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Ai-Yun Liu
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, China
| | - Jia-Jia Shen
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, China
| | - Vishva Shah
- Department of Chemistry and Chemical Engineering, Royal Military College of Canada, Kingston, Ontario, Canada
| | - Can Zhang
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, China
| | - Jin Hong
- Key Laboratory of Biomedical Functional Materials, School of Sciences, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, China
| | - Ya Ding
- Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education, Nanjing 210009, China.
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32
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Wang SB, Wang XF, Qin B, Ohkoshi E, Hsieh KY, Hamel E, Cui MT, Zhu DQ, Goto M, Morris-Natschke SL, Lee KH, Xie L. Optimization of N-aryl-6-methoxy-1,2,3,4-tetrahydroquinolines as tubulin polymerization inhibitors. Bioorg Med Chem 2015; 23:5740-7. [PMID: 26242242 DOI: 10.1016/j.bmc.2015.07.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Revised: 07/02/2015] [Accepted: 07/09/2015] [Indexed: 12/12/2022]
Abstract
Thirteen new N-aryl 1,2,3,4-tetrahydroquinoline compounds (4a-f, 6a-c, and 8a-d) were synthesized and evaluated for antitumor activity and drug-like properties. Compound 4a exhibited high inhibitory potency with low nanomolar GI50 values of 16-20 nM in cellular assays, including excellent activity against the P-glycoprotein overexpressing cell line KBvin. Compound 4a inhibited colchicine binding to tubulin and tubulin assembly with an IC50 value of 0.85 μM, superior to the reference compound CA4 (1.2 μM) in the same assay. In addition, 4a also exhibited highly improved water solubility (75 μg/mL) and a suitable logP value (3.43) at pH 7.4. With a good balance between antitumor potency and drug-like properties, compound 4a could be a new potential drug candidate for further development. Current results on SAR studies and molecular modeling provided more insight about this class of compounds as tubulin polymerization inhibitors targeting the colchicine site.
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Affiliation(s)
- Sheng-Biao Wang
- Beijing Institute of Pharmacology & Toxicology, 27 Tai-Ping Road, Beijing 100850, China
| | - Xiao-Feng Wang
- Beijing Institute of Pharmacology & Toxicology, 27 Tai-Ping Road, Beijing 100850, China
| | - Bingjie Qin
- Beijing Institute of Pharmacology & Toxicology, 27 Tai-Ping Road, Beijing 100850, China
| | - Emika Ohkoshi
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Kan-Yen Hsieh
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA; Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ernest Hamel
- Screening Technologies Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Frederick National Laboratory for Cancer Research, National Institutes of Health, Frederick, MD 21702, USA
| | - Mu-Tian Cui
- Beijing Institute of Pharmacology & Toxicology, 27 Tai-Ping Road, Beijing 100850, China
| | - Dong-Qing Zhu
- Beijing Institute of Pharmacology & Toxicology, 27 Tai-Ping Road, Beijing 100850, China
| | - Masuo Goto
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Susan L Morris-Natschke
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA; Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, Taiwan.
| | - Lan Xie
- Beijing Institute of Pharmacology & Toxicology, 27 Tai-Ping Road, Beijing 100850, China.
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33
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Fais S, Venturi G, Gatenby B. Microenvironmental acidosis in carcinogenesis and metastases: new strategies in prevention and therapy. Cancer Metastasis Rev 2015; 33:1095-108. [PMID: 25376898 PMCID: PMC4244550 DOI: 10.1007/s10555-014-9531-3] [Citation(s) in RCA: 121] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Much effort is currently devoted to developing patient-specific cancer therapy based on molecular characterization of tumors. In particular, this approach seeks to identify driver mutations that can be blocked through small molecular inhibitors. However, this approach is limited by extensive intratumoral genetic heterogeneity, and, not surprisingly, even dramatic initial responses are typically of limited duration as resistant tumor clones rapidly emerge and proliferate. We propose an alternative approach based on observations that while tumor evolution produces genetic divergence, it is also associated with striking phenotypic convergence that loosely correspond to the well-known cancer “hallmarks”. These convergent properties can be described as driver phenotypes and may be more consistently and robustly expressed than genetic targets. To this purpose, it is necessary to identify strategies that are critical for cancer progression and metastases, and it is likely that these driver phenotypes will be closely related to cancer “hallmarks”. It appears that an antiacidic approach, by targetting a driver phenotype in tumors, may be thought as a future strategy against tumors in either preventing the occurrence of cancer or treating tumor patients with multiple aims, including the improvement of efficacy of existing therapies, possibly reducing their systemic side effects, and controlling tumor growth, progression, and metastasis. This may be achieved with existing molecules such as proton pump inhibitors (PPIs) and buffers such as sodium bicarbonate, citrate, or TRIS.
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Affiliation(s)
- Stefano Fais
- Department of Therapeutic Research and Medicines Evaluation, Unit of Antitumor Drugs, Istituto Superiore di Sanità, Viale Regina Elena 299, Rome, Italy
- Department of Drug Research and Medicines Evaluation, Istituto Superiore di Sanità (National Institute of Health), Viale Regina Elena 299, 00161 Rome, Italy
| | - Giulietta Venturi
- Department of Therapeutic Research and Medicines Evaluation, Unit of Antitumor Drugs, Istituto Superiore di Sanità, Viale Regina Elena 299, Rome, Italy
| | - Bob Gatenby
- Radiology Department, Cancer Biology and Evolution Program Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL 33612 USA
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Lozupone F, Borghi M, Marzoli F, Azzarito T, Matarrese P, Iessi E, Venturi G, Meschini S, Canitano A, Bona R, Cara A, Fais S. TM9SF4 is a novel V-ATPase-interacting protein that modulates tumor pH alterations associated with drug resistance and invasiveness of colon cancer cells. Oncogene 2015; 34:5163-74. [PMID: 25659576 DOI: 10.1038/onc.2014.437] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Revised: 12/04/2014] [Accepted: 12/04/2014] [Indexed: 12/13/2022]
Abstract
An inverted pH gradient across the cell membranes is a typical feature of malignant cancer cells that are characterized by extracellular acidosis and cytosol alkalization. These dysregulations are able to create a unique milieu that favors tumor progression, metastasis and chemo/immune-resistance traits of solid tumors. A key event mediating tumor cell pH alterations is an aberrant activation of ion channels and proton pumps such as (H+)-vacuolar-ATPase (V-ATPase). TM9SF4 is a poorly characterized transmembrane protein that we have recently shown to be related to cannibal behavior of metastatic melanoma cells. Here, we demonstrate that TM9SF4 represents a novel V-ATPase-associated protein involved in V-ATPase activation. We have observed in HCT116 and SW480 colon cancer cell lines that TM9SF4 interacts with the ATP6V1H subunit of the V-ATPase V1 sector. Suppression of TM9SF4 with small interfering RNAs strongly reduces assembly of V-ATPase V0/V1 sectors, thus reversing tumor pH gradient with a decrease of cytosolic pH, alkalization of intracellular vesicles and a reduction of extracellular acidity. Such effects are associated with a significant inhibition of the invasive behavior of colon cancer cells and with an increased sensitivity to the cytotoxic effects of 5-fluorouracil. Our study shows for the first time the important role of TM9SF4 in the aberrant constitutive activation of the V-ATPase, and the development of a malignant phenotype, supporting the potential use of TM9SF4 as a target for future anticancer therapies.
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Affiliation(s)
- F Lozupone
- Therapeutic Research and Medicines Evaluation Department, Istituto Superiore di Sanità, Rome, Italy
| | - M Borghi
- Infectious, Parasitic and Immune-Mediated Diseases Department, Istituto Superiore di Sanità, Rome, Italy
| | - F Marzoli
- Therapeutic Research and Medicines Evaluation Department, Istituto Superiore di Sanità, Rome, Italy
| | - T Azzarito
- Therapeutic Research and Medicines Evaluation Department, Istituto Superiore di Sanità, Rome, Italy
| | - P Matarrese
- Therapeutic Research and Medicines Evaluation Department, Istituto Superiore di Sanità, Rome, Italy
| | - E Iessi
- Therapeutic Research and Medicines Evaluation Department, Istituto Superiore di Sanità, Rome, Italy
| | - G Venturi
- Therapeutic Research and Medicines Evaluation Department, Istituto Superiore di Sanità, Rome, Italy
| | - S Meschini
- Technology and Health Department, Istituto Superiore di Sanità, Rome, Italy
| | - A Canitano
- Therapeutic Research and Medicines Evaluation Department, Istituto Superiore di Sanità, Rome, Italy
| | - R Bona
- Therapeutic Research and Medicines Evaluation Department, Istituto Superiore di Sanità, Rome, Italy
| | - A Cara
- Therapeutic Research and Medicines Evaluation Department, Istituto Superiore di Sanità, Rome, Italy
| | - S Fais
- Therapeutic Research and Medicines Evaluation Department, Istituto Superiore di Sanità, Rome, Italy
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Xi WH, Yang LY, Cao ZY, Qian Y. Tivantinib (ARQ-197) exhibits anti-tumor activity with down-regulation of FAK in oral squamous cell carcinoma. Biochem Biophys Res Commun 2015; 457:723-9. [DOI: 10.1016/j.bbrc.2015.01.062] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Accepted: 01/14/2015] [Indexed: 01/22/2023]
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Akiyama K, Maishi N, Ohga N, Hida Y, Ohba Y, Alam MT, Kawamoto T, Ohmura H, Yamada K, Torii C, Shindoh M, Hida K. Inhibition of Multidrug Transporter in Tumor Endothelial Cells Enhances Antiangiogenic Effects of Low-Dose Metronomic Paclitaxel. THE AMERICAN JOURNAL OF PATHOLOGY 2015; 185:572-80. [DOI: 10.1016/j.ajpath.2014.10.017] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Revised: 09/16/2014] [Accepted: 10/09/2014] [Indexed: 01/22/2023]
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Spugnini EP, Sonveaux P, Stock C, Perez-Sayans M, De Milito A, Avnet S, Garcìa AG, Harguindey S, Fais S. Proton channels and exchangers in cancer. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2014; 1848:2715-26. [PMID: 25449995 DOI: 10.1016/j.bbamem.2014.10.015] [Citation(s) in RCA: 142] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Revised: 10/07/2014] [Accepted: 10/13/2014] [Indexed: 12/18/2022]
Abstract
Although cancer is characterized by an intratumoral genetic heterogeneity, a totally deranged pH control is a common feature of most cancer histotypes. Major determinants of aberrant pH gradient in cancer are proton exchangers and transporters, including V-ATPase, Na+/H+ exchanger (NHE), monocarboxylate transporters (MCTs) and carbonic anhydrases (CAs). Thanks to the activity of these proton transporters and exchangers, cancer becomes isolated and/or protected not only from the body reaction against the growing tumor, but also from the vast majority of drugs that when protonated into the acidic tumor microenvironment do not enter into cancer cells. Proton transporters and exchangers represent a key feature tumor cells use to survive in the very hostile microenvironmental conditions that they create and maintain. Detoxifying mechanisms may thus represent both a key survival option and a selection outcome for cells that behave as unicellular microorganisms rather than belonging to an organ, compartment or body. It is, in fact, typical of malignant tumors that, after a clinically measurable yet transient initial response to a therapy, resistant tumor clones emerge and proliferate, thus bursting a more malignant behavior and rapid tumor progression. This review critically presents the background of a novel and efficient approach that aims to fight cancer through blocking or inhibiting well characterized proton exchangers and transporters active in human cancer cells. This article is part of a Special Issue entitled: Membrane channels and transporters in cancers.
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Affiliation(s)
- Enrico Pierluigi Spugnini
- Anti-Cancer Drug Section, Department of Drug Research and Medicine Evaluation, Istituto Superiore di Sanità (National Institute of Health), Rome, Italy
| | - Pierre Sonveaux
- Institut de Recherche Expérimentale et Clinique (IREC), Pole of Pharmacology, Université Catholique de Louvain (UCL), Brussels, Belgium
| | - Christian Stock
- Department of Gastroenterology, Hannover Medical School, Hannover, Germany
| | - Mario Perez-Sayans
- Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and Dentistry, Instituto de Investigación Sanitaria de Santiago (IDIS), Santiago de Compostela, Spain
| | - Angelo De Milito
- Cancer Center Karolinska, Department of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden
| | - Sofia Avnet
- Laboratory for Orthopaedic Pathophysiology and Regenerative Medicine, Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Abel Garcìa Garcìa
- Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and Dentistry, Instituto de Investigación Sanitaria de Santiago (IDIS), Santiago de Compostela, Spain
| | | | - Stefano Fais
- Anti-Cancer Drug Section, Department of Drug Research and Medicine Evaluation, Istituto Superiore di Sanità (National Institute of Health), Rome, Italy.
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Tyrosine kinase inhibitors as reversal agents for ABC transporter mediated drug resistance. Molecules 2014; 19:13848-77. [PMID: 25191874 PMCID: PMC6271846 DOI: 10.3390/molecules190913848] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 08/25/2014] [Accepted: 08/29/2014] [Indexed: 01/27/2023] Open
Abstract
Tyrosine kinases (TKs) play an important role in pathways that regulate cancer cell proliferation, apoptosis, angiogenesis and metastasis. Aberrant activity of TKs has been implicated in several types of cancers. In recent years, tyrosine kinase inhibitors (TKIs) have been developed to interfere with the activity of deregulated kinases. These TKIs are remarkably effective in the treatment of various human cancers including head and neck, gastric, prostate and breast cancer and several types of leukemia. However, these TKIs are transported out of the cell by ATP-binding cassette (ABC) transporters, resulting in development of a characteristic drug resistance phenotype in cancer patients. Interestingly, some of these TKIs also inhibit the ABC transporter mediated multi drug resistance (MDR) thereby; enhancing the efficacy of conventional chemotherapeutic drugs. This review discusses the clinically relevant TKIs and their interaction with ABC drug transporters in modulating MDR.
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Curry JM, Sprandio J, Cognetti D, Luginbuhl A, Bar-ad V, Pribitkin E, Tuluc M. Tumor microenvironment in head and neck squamous cell carcinoma. Semin Oncol 2014; 41:217-34. [PMID: 24787294 DOI: 10.1053/j.seminoncol.2014.03.003] [Citation(s) in RCA: 193] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The tumor microenvironment (TME) of head and neck squamous cell carcinoma (HNSCC) is comprised of cancer-associated fibroblasts (CAFs), immune cells, and other supporting cells. Genetic changes in the carcinoma cells, such as alterations to TP53, NOTCH1, and specific gene expression profiles, contribute to derangements in cancer and microenvironment cells such as increased ROS, overproduction of cytokines, and epithelial to mesenchymal transition (EMT). CAFs are among the most critical elements of the TME contributing to proliferation, invasion, and metastasis. The adaptive immune response is suppressed in HNSCC through overexpression of cytokines, triggered apoptosis of T cells, and alterations in antigen processing machinery. Overexpression of critical cytokines, such as transforming growth factor-β (TGF-β), contributes to EMT, immune suppression, and evolution of CAFs. Inflammation and hypoxia are driving forces in angiogenesis and altered metabolism. HNSCC utilizes glycolytic and oxidative metabolism to fuel tumorigenesis via coupled mechanisms between cancer cell regions and cells of the TME. Increased understanding of the TME in HNSCC illustrates that the long-held notion of "condemned mucosa" reflects a process that extends beyond the epithelial cells to the entire tissue comprised of each of these elements.
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Affiliation(s)
- Joseph M Curry
- Department of Otolaryngology Head and Neck Surgery, Thomas Jefferson University, Philadelphia, PA.
| | - John Sprandio
- Department of Medical Oncology, Thomas Jefferson University, Philadelphia, PA
| | - David Cognetti
- Department of Otolaryngology Head and Neck Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Adam Luginbuhl
- Department of Otolaryngology Head and Neck Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Voichita Bar-ad
- Department of Radiation Oncology, Thomas Jefferson University, Philadelphia, PA
| | - Edmund Pribitkin
- Department of Otolaryngology Head and Neck Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Madalina Tuluc
- Department of Pathology, Thomas Jefferson University, Philadelphia, PA
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Wang XF, Guan F, Ohkoshi E, Guo W, Wang L, Zhu DQ, Wang SB, Wang LT, Hamel E, Yang D, Li L, Qian K, Morris-Natschke SL, Yuan S, Lee KH, Xie L. Optimization of 4-(N-cycloamino)phenylquinazolines as a novel class of tubulin-polymerization inhibitors targeting the colchicine site. J Med Chem 2014; 57:1390-402. [PMID: 24502232 PMCID: PMC3983391 DOI: 10.1021/jm4016526] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The 6-methoxy-1,2,3,4-tetrahydroquinoline moiety in prior leads 2-chloro- and 2-methyl-4-(6-methoxy-3,4-dihydroquinolin-1(2H)-yl)quinazoline (1a and 1b) was modified to produce 4-(N-cycloamino)quinazolines (4a-c and 5a-m). The new compounds were evaluated in cytotoxicity and tubulin inhibition assays, resulting in the discovery of new tubulin-polymerization inhibitors. 7-Methoxy-4-(2-methylquinazolin-4-yl)-3,4-dihydroquinoxalin- 2(1H)-one (5f), the most potent compound, exhibited high in vitro cytotoxic activity (GI50 1.9-3.2 nM), significant potency against tubulin assembly (IC50 0.77 μM), and substantial inhibition of colchicine binding (99% at 5 μM). In mechanism studies, 5f caused cell arrest in G2/M phase, disrupted microtubule formation, and competed mostly at the colchicine site on tubulin. Compound 5f and N-methylated analogue 5g were evaluated in nude mouse MCF7 xenograft models to validate their antitumor activity. Compound 5g displayed significant in vivo activity (tumor inhibitory rate 51%) at a dose of 4 mg/kg without obvious toxicity, whereas 5f unexpectedly resulted in toxicity and death at the same dose.
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Affiliation(s)
- Xiao-Feng Wang
- Beijing Institute of Pharmacology and Toxicology , 27 Tai-Ping Road, Beijing 100850, China
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Vacuolar H+-ATPase: An Essential Multitasking Enzyme in Physiology and Pathophysiology. ACTA ACUST UNITED AC 2014. [DOI: 10.1155/2014/675430] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Vacuolar H+-ATPases (V-ATPases) are large multisubunit proton pumps that are required for housekeeping acidification of membrane-bound compartments in eukaryotic cells. Mammalian V-ATPases are composed of 13 different subunits. Their housekeeping functions include acidifying endosomes, lysosomes, phagosomes, compartments for uncoupling receptors and ligands, autophagosomes, and elements of the Golgi apparatus. Specialized cells, including osteoclasts, intercalated cells in the kidney and pancreatic beta cells, contain both the housekeeping V-ATPases and an additional subset of V-ATPases, which plays a cell type specific role. The specialized V-ATPases are typically marked by the inclusion of cell type specific isoforms of one or more of the subunits. Three human diseases caused by mutations of isoforms of subunits have been identified. Cancer cells utilize V-ATPases in unusual ways; characterization of V-ATPases may lead to new therapeutic modalities for the treatment of cancer. Two accessory proteins to the V-ATPase have been identified that regulate the proton pump. One is the (pro)renin receptor and data is emerging that indicates that V-ATPase may be intimately linked to renin/angiotensin signaling both systemically and locally. In summary, V-ATPases play vital housekeeping roles in eukaryotic cells. Specialized versions of the pump are required by specific organ systems and are involved in diseases.
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Jin X, Mo R, Ding Y, Zheng W, Zhang C. Paclitaxel-Loaded N-Octyl-O-sulfate Chitosan Micelles for Superior Cancer Therapeutic Efficacy and Overcoming Drug Resistance. Mol Pharm 2013; 11:145-57. [DOI: 10.1021/mp400340k] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Xiang Jin
- State
Key Laboratory of Natural Medicines, Center of Drug Discovery, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Ran Mo
- State
Key Laboratory of Natural Medicines, Center of Drug Discovery, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Ya Ding
- State
Key Laboratory of Natural Medicines, Center of Drug Discovery, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Wei Zheng
- School
of Life Sciences, State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, 22 Han Kou Road, Nanjing 210093, China
| | - Can Zhang
- State
Key Laboratory of Natural Medicines, Center of Drug Discovery, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
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Rojewska M, Biadasz A, Kotkowiak M, Olejnik A, Rychlik J, Dudkowiak A, Prochaska K. Adsorption properties of biologically active derivatives of quaternary ammonium surfactants and their mixtures at aqueous/air interface. I. Equilibrium surface tension, surfactant aggregation and wettability. Colloids Surf B Biointerfaces 2013; 110:387-94. [DOI: 10.1016/j.colsurfb.2013.05.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Revised: 04/24/2013] [Accepted: 05/07/2013] [Indexed: 10/26/2022]
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Wang XF, Wang SB, Ohkoshi E, Wang LT, Hamel E, Qian K, Morris-Natschke SL, Lee KH, Xie L. N-aryl-6-methoxy-1,2,3,4-tetrahydroquinolines: a novel class of antitumor agents targeting the colchicine site on tubulin. Eur J Med Chem 2013; 67:196-207. [PMID: 23867604 PMCID: PMC3770484 DOI: 10.1016/j.ejmech.2013.06.041] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Revised: 06/18/2013] [Accepted: 06/20/2013] [Indexed: 02/07/2023]
Abstract
Structural optimizations of the prior lead 1a led to the discovery of a series of N-aryl-6-methoxy-1,2,3,4-tetrahydroquinoline derivatives as a novel class of tubulin polymerization inhibitors targeted at the colchicine binding site. The most active compound 6d showed extremely high cytotoxicity against a human tumor cell line panel (A549, KB, KBvin, and DU145) with GI50 values ranging from 1.5 to 1.7 nM, significantly more potent than paclitaxel, especially against the drug-resistant KBvin cell line, in the same assays. Analogs 5f, 6b, 6c, and 6e were also quite potent, with a GI50 range of 0.011-0.19 μM. In further studies, active compounds 6b-e and 5f significantly inhibited tubulin assembly, with IC50 values of 0.92-1.0 μM and strongly inhibited colchicine binding to tubulin, with inhibition rates of 75-99% (at 5 μM), comparable with or more potent than combretastatin A-4 (IC50 0.96 μM). Current studies included design, synthesis, and biological evaluations of 24 new compounds (series 3-6). Related SAR analysis, molecular modeling, and evaluation of essential drug-like properties, i.e. water solubility, log P, and in vitro metabolic stability, were also performed.
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Affiliation(s)
- Xiao-Feng Wang
- Beijing Institute of Pharmacology & Toxicology, 27 Tai-Ping Road, Beijing, 100850, China
- Pharmacy Department, Urumqi General Hospital, Lanzhou Military Region, Urumqi, 830000, China
| | - Sheng-Biao Wang
- Beijing Institute of Pharmacology & Toxicology, 27 Tai-Ping Road, Beijing, 100850, China
| | - Emika Ohkoshi
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Li-Ting Wang
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Ernest Hamel
- Screening Technologies Branch, Development Therapeutics Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Frederick National Laboratory for Cancer Research, National Institutes of Health, Frederick, Maryland 21702, USA
| | - Keduo Qian
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Susan L. Morris-Natschke
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
- Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, Taiwan
| | - Lan Xie
- Beijing Institute of Pharmacology & Toxicology, 27 Tai-Ping Road, Beijing, 100850, China
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Daniel C, Bell C, Burton C, Harguindey S, Reshkin SJ, Rauch C. The role of proton dynamics in the development and maintenance of multidrug resistance in cancer. Biochim Biophys Acta Mol Basis Dis 2013; 1832:606-17. [DOI: 10.1016/j.bbadis.2013.01.020] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Revised: 01/15/2013] [Accepted: 01/24/2013] [Indexed: 12/27/2022]
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Ballegeer EA, Madrill NJ, Berger KL, Agnew DW, McNiel EA. Evaluation of hypoxia in a feline model of head and neck cancer using ⁶⁴Cu-ATSM positron emission tomography/computed tomography. BMC Cancer 2013; 13:218. [PMID: 23631652 PMCID: PMC3671966 DOI: 10.1186/1471-2407-13-218] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 04/25/2013] [Indexed: 02/21/2023] Open
Abstract
Background Human and feline head and neck squamous cell carcinoma (HNSCC) share histology, certain molecular features, as well as locally aggressive and highly recurrent clinical behavior. In human HNSCC, the presence of significant hypoxia within these tumors is considered an important factor in the development of a more aggressive phenotype and poor response to therapy. We hypothesized that feline head and neck tumors, particularly HNSCC, would exhibit hypoxia and that 64Cu-diacetyl-bis(N4-methylthiosemicarbazone) (Cu-ATSM) positron emission tomography/computed tomography (PET/CT) would permit detection of intratumoral hypoxia. Methods 12 cats with measureable head and neck tumors were given 64Cu-ATSM and iodinated contrast for PET/CT scan. The presence or absence of hypoxia was also assessed using an intratumoral fluorescent life-time probe to quantitate pO2 and pimonidazole immunohistochemical staining in biopsy specimens. In two cats, intratumoral O2 and 64Cu-ATSM uptake was measured before and after treatment with anti-angiogenic agents to determine the effect of these agents on hypoxia. Results Eleven of twelve feline tumors demonstrated significant 64Cu-ATSM uptake, regardless of malignant or benign etiology. The presence (and absence) of hypoxia was confirmed using the fluorescent O2 detection probe in nine tumors, and using pimonidazole staining in three tumors. Squamous cell carcinomas (HNSCC) demonstrated the highest degree of hypoxia, with Tmax/M ratios ranging from 4.3 to 21.8. Additional non-neoplastic tissues exhibited 64Cu-ATSM uptake suggestive of hypoxia including reactive draining lymph nodes, non-malignant thyroid pathology, a tooth root abscess, and otitis media. In two cats with HNSCC that received anti-vascular agents, the pattern of 64Cu-ATSM uptake was altered after treatment, demonstrating the potential of the feline model to study the modulation of tumor oxygenation. Conclusion Feline HNSCC serves as a clinically relevant model for the investigation of intratumoral hypoxia including its measurement, modulation and targeting.
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Affiliation(s)
- Elizabeth A Ballegeer
- Department of Small Animal Clinical Sciences, Michigan State University, East Lansing, MI 48824, USA.
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Albert S, Riveiro ME, Halimi C, Hourseau M, Couvelard A, Serova M, Barry B, Raymond E, Faivre S. Focus on the role of the CXCL12/CXCR4 chemokine axis in head and neck squamous cell carcinoma. Head Neck 2013; 35:1819-28. [PMID: 23468253 DOI: 10.1002/hed.23217] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2012] [Indexed: 12/28/2022] Open
Abstract
The human chemokine system includes approximately 48 chemokines and 19 chemokine receptors. The CXCL12/CXCR4 system is one of the most frequently studied that is also found overexpressed in a large variety of tumors. The CXCL12/CXCR4 axis has been increasingly identified as an important target in cancer growth, metastasis, relapse, and resistance to therapy. In this review, we highlight current knowledge of the molecular mechanisms involving chemokines CXCL12/CXCR4 and their consequences in head and neck squamous cell carcinoma (HNSCC). Overexpression of CXCL12/CXCR4 in HNSCC appears to activate cellular functions, including motility, invasion, and metastatic processes. Current findings suggest that CXCR4 and epithelial-mesenchymal transition markers are associated with tumor aggressiveness and a poor prognosis, and may be suitable biomarkers for head and neck tumors with high metastatic potential. Furthermore, knowledge of the role of CXCR4 in HNSCC could influence the development of new targeted therapies for treatment, aimed at improving the prognosis of this disease.
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Affiliation(s)
- Sébastien Albert
- INSERM U728, RayLab, and Departments of Medical Oncology, Beaujon University Hospital (AP-HP, Paris 7 Diderot), Clichy, France; Department of Head and Neck Surgery, Bichat University Hospital, Paris, France
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Hung HY, Ohkoshi E, Goto M, Bastow KF, Nakagawa-Goto K, Lee KH. Antitumor agents. 293. Nontoxic dimethyl-4,4'-dimethoxy-5,6,5',6'-dimethylenedioxybiphenyl-2,2'-dicarboxylate (DDB) analogues chemosensitize multidrug-resistant cancer cells to clinical anticancer drugs. J Med Chem 2012; 55:5413-24. [PMID: 22612652 DOI: 10.1021/jm300378k] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Novel dimethyl-4,4'-dimethoxy-5,6,5',6'-dimethylenedioxybiphenyl-2,2'-dicarboxylate (DDB) analogues were designed and synthesized to improve their chemosensitizing action on KBvin (vincristine-resistant nasopharyngeal carcinoma) cells, a multidrug resistant cell line overexpressing P-glycoprotein (P-gp). Structure-activity relationship analysis showed that aromatic and bulky aliphatic side chains at the 2,2'-positions effectively and significantly sensitized P-gp overexpressing multidrug resistant (MDR) cells to anticancer drugs, such as paclitaxel (TAX), vincristine (VCR), and doxorubicin (DOX). DDB derivatives 16 and 23 showed 5-10 times more effective reversal ability than verapamil (VRP) for TAX and VCR. Analogue 6 also exhibited five times greater chemosensitizing effect against DOX than VRP. Importantly, no cytotoxicity was observed by the active DDB analogues against both non-MDR and MDR cells, suggesting that DDB analogues serve as novel lead compounds for the development of chemosensitizers to overcome the MDR phenotype. The mechanism of action studies demonstrated that effective inhibition of P-glycoprotein by DDB analogues dramatically elevated the cellular concentration of anticancer drugs.
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Affiliation(s)
- Hsin-Yi Hung
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599-7568, United States
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Siddiqui A, Gupta V, Liu YY, Nazzal S. Doxorubicin and MBO-asGCS oligonucleotide loaded lipid nanoparticles overcome multidrug resistance in adriamycin resistant ovarian cancer cells (NCI/ADR-RES). Int J Pharm 2012; 431:222-9. [PMID: 22562053 DOI: 10.1016/j.ijpharm.2012.04.050] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Revised: 04/11/2012] [Accepted: 04/19/2012] [Indexed: 01/28/2023]
Abstract
The objective of this study was to increase the potency of doxorubicin against adriamycin-resistant NCI/ADR-RES cells by concurrent treatment with doxorubicin and MBO-asGCS loaded solid-lipid nanoparticles (SLN). Loading doxorubicin as ion-pair complex with deoxytaurocholate into cationic and neutral SLN was investigated. Fast release and poor entrapment were observed in cationic nanoparticles, which were corrected by entrapping the complex in neutral polyoxyethylene (20) stearyl ether (Brij(®) 78)/VitE-TPGS nanoparticles. Slow doxorubicin release confirmed the influence of charge and electrolytes on the dissociation of ion-pair complexes. To evaluate antitumor activity, NCI/ADR-RES cells were treated with separate SLN: one loaded with doxorubicin and another carrying MBO-asGCS oligonucleotide. The viability of cells treated with 5 μM doxorubicin was reduced to 17.2% whereas viability was reduced to 2.5% for cells treated with both 5 μM doxorubicin SLN and 100 nM MBO-asGCS SLN. This suggested enhanced apoptosis due to sensitization and effective intracellular delivery of MBO-asGCS and doxorubicin by SLN.
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Affiliation(s)
- Akhtar Siddiqui
- Department of Basic Pharmaceutical Sciences, College of Pharmacy, University of Louisiana at Monroe, Monroe, LA 71209-0497, USA
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Finnigan GC, Cronan GE, Park HJ, Srinivasan S, Quiocho FA, Stevens TH. Sorting of the yeast vacuolar-type, proton-translocating ATPase enzyme complex (V-ATPase): identification of a necessary and sufficient Golgi/endosomal retention signal in Stv1p. J Biol Chem 2012; 287:19487-500. [PMID: 22496448 DOI: 10.1074/jbc.m112.343814] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Subunit a of the yeast vacuolar-type, proton-translocating ATPase enzyme complex (V-ATPase) is responsible for both proton translocation and subcellular localization of this highly conserved molecular machine. Inclusion of the Vph1p isoform causes the V-ATPase complex to traffic to the vacuolar membrane, whereas incorporation of Stv1p causes continued cycling between the trans-Golgi and endosome. We previously demonstrated that this targeting information is contained within the cytosolic, N-terminal portion of V-ATPase subunit a (Stv1p). To identify residues responsible for sorting of the Golgi isoform of the V-ATPase, a random mutagenesis was performed on the N terminus of Stv1p. Subsequent characterization of mutant alleles led to the identification of a short peptide sequence, W(83)KY, that is necessary for proper Stv1p localization. Based on three-dimensional homology modeling to the Meiothermus ruber subunit I, we propose a structural model of the intact Stv1p-containing V-ATPase demonstrating the accessibility of the W(83)KY sequence to retrograde sorting machinery. Finally, we characterized the sorting signal within the context of a reconstructed Stv1p ancestor (Anc.Stv1). This evolutionary intermediate includes an endogenous W(83)KY sorting motif and is sufficient to compete with sorting of the native yeast Stv1p V-ATPase isoform. These data define a novel sorting signal that is both necessary and sufficient for trafficking of the V-ATPase within the Golgi/endosomal network.
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Affiliation(s)
- Gregory C Finnigan
- Institute of Molecular Biology, University of Oregon, Eugene, Oregon 97403, USA
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