1
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Long Y, Xu Z, Yu J, Hu X, Xie Y, Duan X, Li N, Yan Y, Wang Y, Qin J. Targeting xCT with sulfasalazine suppresses triple-negative breast cancer growth via inducing autophagy and coordinating cell cycle and proliferation. Anticancer Drugs 2024:00001813-990000000-00295. [PMID: 39016262 DOI: 10.1097/cad.0000000000001630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
There is a substantial unmet need for effective treatment strategies in triple-negative breast cancer (TNBC). Recently, renewed attention has been directed towards targeting glutamine (Gln) metabolism to enhance the efficacy of cancer treatment. Nonetheless, a comprehensive exploration into the mechanistic implications of targeting Gln metabolism in TNBC is lacking. In this study, our objective was to probe the sensitivity of TNBC to alterations in Gln metabolism, using representative TNBC cell lines: MDA-MB-231, MDA-MB-468, and 4T1. Through an integration of bioinformatics, in-vitro, and in-vivo investigations, we demonstrated that sulfasalazine (SAS), like erastin (a known xCT inhibitor), effectively suppressed the expression and transport function of xCT, resulting in a depletion of glutathione levels in MDA-MB-231 and MDA-MB-468 cells. Furthermore, both xCT knockdown and SAS treatment demonstrated the promotion of cellular autophagy. We unveiled a positive correlation between xCT and the autophagy-related molecule p62, their co-expression indicating poor survival outcomes in breast cancer patients. In addition, our research revealed the influence of SAS and xCT on the expression of proteins regulating cell cycle and proliferation. Treatment with SAS or xCT knockdown led to the inhibition of MYC, CDK1, and CD44 expression. Significantly, the combined administration of SAS and rapamycin exhibited a synergistic inhibitory effect on the growth of transplanted breast tumor in mouse models constructed from murine-derived 4T1 cells. Taken together, our findings suggested the potential and clinical relevance of the SAS and rapamycin combination in the treatment of TNBC.
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Affiliation(s)
- Yaping Long
- Department of Immunology, School of Medicine, Nankai University
| | - Zizheng Xu
- Department of Immunology, School of Medicine, Nankai University
| | - Jing Yu
- Department of Immunology, School of Medicine, Nankai University
| | - Xiao Hu
- Department of Immunology, School of Medicine, Nankai University
| | - Yu Xie
- Department of Immunology, School of Medicine, Nankai University
| | - Xianxian Duan
- Department of Immunology, School of Medicine, Nankai University
| | - Ning Li
- School of Disaster and Emergency Medicine, Faculty of Medicine, Tianjin University
| | - Yan Yan
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Hospital of Stomatology, Nankai University, Tianjin, China
| | - Yue Wang
- Department of Immunology, School of Medicine, Nankai University
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Hospital of Stomatology, Nankai University, Tianjin, China
| | - Junfang Qin
- Department of Immunology, School of Medicine, Nankai University
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2
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Dhas N, Kudarha R, Tiwari R, Tiwari G, Garg N, Kumar P, Kulkarni S, Kulkarni J, Soman S, Hegde AR, Patel J, Garkal A, Sami A, Datta D, Colaco V, Mehta T, Vora L, Mutalik S. Recent advancements in nanomaterial-mediated ferroptosis-induced cancer therapy: Importance of molecular dynamics and novel strategies. Life Sci 2024; 346:122629. [PMID: 38631667 DOI: 10.1016/j.lfs.2024.122629] [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: 11/23/2023] [Revised: 03/04/2024] [Accepted: 04/10/2024] [Indexed: 04/19/2024]
Abstract
Ferroptosis is a novel type of controlled cell death resulting from an imbalance between oxidative harm and protective mechanisms, demonstrating significant potential in combating cancer. It differs from other forms of cell death, such as apoptosis and necrosis. Molecular therapeutics have hard time playing the long-acting role of ferroptosis induction due to their limited water solubility, low cell targeting capacity, and quick metabolism in vivo. To this end, small molecule inducers based on biological factors have long been used as strategy to induce cell death. Research into ferroptosis and advancements in nanotechnology have led to the discovery that nanomaterials are superior to biological medications in triggering ferroptosis. Nanomaterials derived from iron can enhance ferroptosis induction by directly releasing large quantities of iron and increasing cell ROS levels. Moreover, utilizing nanomaterials to promote programmed cell death minimizes the probability of unfavorable effects induced by mutations in cancer-associated genes such as RAS and TP53. Taken together, this review summarizes the molecular mechanisms involved in ferroptosis along with the classification of ferroptosis induction. It also emphasized the importance of cell organelles in the control of ferroptosis in cancer therapy. The nanomaterials that trigger ferroptosis are categorized and explained. Iron-based and noniron-based nanomaterials with their characterization at the molecular and cellular levels have been explored, which will be useful for inducing ferroptosis that leads to reduced tumor growth. Within this framework, we offer a synopsis, which traverses the well-established mechanism of ferroptosis and offers practical suggestions for the design and therapeutic use of nanomaterials.
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Affiliation(s)
- Namdev Dhas
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Ritu Kudarha
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Ruchi Tiwari
- Pranveer Singh Institute of Technology (Pharmacy), Kalpi road, Bhauti, Kanpur 208020, Uttar Pradesh, India
| | - Gaurav Tiwari
- Pranveer Singh Institute of Technology (Pharmacy), Kalpi road, Bhauti, Kanpur 208020, Uttar Pradesh, India
| | - Neha Garg
- Department of Medicinal Chemistry, Faculty of Ayurveda, Institute of Medical Science, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Praveen Kumar
- Department of Medicinal Chemistry, Faculty of Ayurveda, Institute of Medical Science, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Sanjay Kulkarni
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Jahnavi Kulkarni
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Soji Soman
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Aswathi R Hegde
- Faculty of Pharmacy, M S Ramaiah University of Applied Sciences, New BEL Road, MSR Nagar, Bangalore 560054, Karnataka, India
| | | | - Atul Garkal
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India; Center for Nanomedicine at the Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Anam Sami
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Deepanjan Datta
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Viola Colaco
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Tejal Mehta
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Lalitkumar Vora
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom
| | - Srinivas Mutalik
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India.
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3
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Yu R, Hang Y, Tsai HI, Wang D, Zhu H. Iron metabolism: backfire of cancer cell stemness and therapeutic modalities. Cancer Cell Int 2024; 24:157. [PMID: 38704599 PMCID: PMC11070091 DOI: 10.1186/s12935-024-03329-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 04/16/2024] [Indexed: 05/06/2024] Open
Abstract
Cancer stem cells (CSCs), with their ability of self-renewal, unlimited proliferation, and multi-directional differentiation, contribute to tumorigenesis, metastasis, recurrence, and resistance to conventional therapy and immunotherapy. Eliminating CSCs has long been thought to prevent tumorigenesis. Although known to negatively impact tumor prognosis, research revealed the unexpected role of iron metabolism as a key regulator of CSCs. This review explores recent advances in iron metabolism in CSCs, conventional cancer therapies targeting iron biochemistry, therapeutic resistance in these cells, and potential treatment options that could overcome them. These findings provide important insights into therapeutic modalities against intractable cancers.
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Affiliation(s)
- Rong Yu
- Institute of Medical Imaging and Artificial Intelligence, Jiangsu University, Zhenjiang, 212001, China
| | - Yinhui Hang
- Department of Medical Imaging, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China
| | - Hsiang-I Tsai
- Institute of Medical Imaging and Artificial Intelligence, Jiangsu University, Zhenjiang, 212001, China.
- Department of Medical Imaging, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China.
| | - Dongqing Wang
- Institute of Medical Imaging and Artificial Intelligence, Jiangsu University, Zhenjiang, 212001, China.
- Department of Medical Imaging, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China.
| | - Haitao Zhu
- Institute of Medical Imaging and Artificial Intelligence, Jiangsu University, Zhenjiang, 212001, China.
- Department of Medical Imaging, The Affiliated Hospital of Jiangsu University, Zhenjiang, 212001, China.
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4
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Sawai K, Goi T, Kimura Y, Koneri K. Presence of CD44v9-Expressing Cancer Stem Cells in Circulating Tumor Cells and Effects of Carcinoembryonic Antigen Levels on the Prognosis of Colorectal Cancer. Cancers (Basel) 2024; 16:1556. [PMID: 38672639 PMCID: PMC11048819 DOI: 10.3390/cancers16081556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/15/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
Circulating tumor cells (CTCs) are cancer cells released from the primary tumor into the bloodstream, and contain cancer stem cells that influence tumor survival, recurrence, and metastasis. Here, we investigated CD44v9 expression in CTCs and impact of preoperative carcinoembryonic antigen (CEA) levels on colorectal cancer (CRC) prognosis. We analyzed the expression of CD44v9 mRNA in CTCs using reverse transcription-polymerase chain reaction and preoperative CEA levels in blood samples obtained from 300 patients with CRC. Subsequently, we evaluated the association of CD44v9 expression and CEA levels with clinicopathological factors. CD44v9 mRNA was expressed in 31.3% of the patients, and was significantly associated with liver metastasis. Patients with positive CD44v9 expression had a lower 5-year survival rate (62.3%) than those with negative CD44v9 expression (82.8%, p < 0.001). Cox regression analysis identified CD44v9 expression and high CEA levels (≥5 ng/mL) as poor prognostic factors, while negative CD44v9 expression and low CEA levels (<5 ng/mL) were associated with favorable prognosis (hazard ratio = 0.285, p = 0.006). These results suggest that a combination of CD44v9 mRNA expression in CTCs and serum CEA levels could serve as a valuable prognostic marker for CRC, potentially enhancing the accuracy of prognosis predictions.
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Affiliation(s)
- Katsuji Sawai
- First Department of Surgery, University of Fukui, Fukui 910-1193, Japan; (T.G.); (Y.K.); (K.K.)
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5
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ITOH H, TANI K, SUNAHARA H, NEMOTO Y, NAKAICHI M, HORIKIRIZONO H, ITAMOTO K. Sulfasalazine, a potent cystine-glutamate transporter inhibitor, enhances osteogenic differentiation of canine adipose-derived stem cells. J Vet Med Sci 2023; 85:1237-1244. [PMID: 37866885 PMCID: PMC10686774 DOI: 10.1292/jvms.22-0525] [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: 12/05/2022] [Accepted: 08/31/2023] [Indexed: 10/24/2023] Open
Abstract
Cystine-glutamate transporter (xCT) is a plasma membrane transporter that imports cystine and indirectly contributes to the oxidative stress resistance associated with increased intracellular glutathione levels. Canine adipose-derived stem cells (CADSCs) include an xCT-positive subpopulation and show relatively low expression of osteogenic markers during in vitro osteogenic differentiation. Sulfasalazine (SSZ), a drug used to treat rheumatoid arthritis, suppresses xCT expression in cancer cells. In this study, we found that the SSZ treatment at 100 µM significantly suppressed xCT mRNA expression in CADSCs but did not significantly affect cell proliferation under the same conditions. Additionally, this treatment decreased the intracellular glutathione concentration. During in vitro osteogenic differentiation, the SSZ treatment at 50 µM and 100 µM significantly increased alizarin red staining and its quantification, as well as the concentration-dependent osteogenic differentiation markers (BMP1 and SPP) mRNA expression. Our results suggested that SSZ enhances the osteogenic differentiation potential of CADSCs and can potentially exhibit a superior therapeutic profile in canine bone regenerative medicine.
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Affiliation(s)
- Harumichi ITOH
- Department of Small Animal Clinical Science, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Kenji TANI
- Department of Veterinary Surgery, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Hiroshi SUNAHARA
- Department of Veterinary Surgery, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Yuki NEMOTO
- Department of Veterinary Surgery, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Munekazu NAKAICHI
- Department of Veterinary Radiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Hiro HORIKIRIZONO
- Department of Veterinary Radiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Kazuhito ITAMOTO
- Department of Small Animal Clinical Science, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
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6
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Yan Y, Ren Y, Bao Y, Wang Y. RNA splicing alterations in lung cancer pathogenesis and therapy. CANCER PATHOGENESIS AND THERAPY 2023; 1:272-283. [PMID: 38327600 PMCID: PMC10846331 DOI: 10.1016/j.cpt.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/25/2023] [Accepted: 04/29/2023] [Indexed: 02/09/2024]
Abstract
RNA splicing alterations are widespread and play critical roles in cancer pathogenesis and therapy. Lung cancer is highly heterogeneous and causes the most cancer-related deaths worldwide. Large-scale multi-omics studies have not only characterized the mutational landscapes but also discovered a plethora of transcriptional and post-transcriptional changes in lung cancer. Such resources have greatly facilitated the development of new diagnostic markers and therapeutic options over the past two decades. Intriguingly, altered RNA splicing has emerged as an important molecular feature and therapeutic target of lung cancer. In this review, we provide a brief overview of splicing dysregulation in lung cancer and summarize the recent progress on key splicing events and splicing factors that contribute to lung cancer pathogenesis. Moreover, we describe the general strategies targeting splicing alterations in lung cancer and highlight the potential of combining splicing modulation with currently approved therapies to combat this deadly disease. This review provides new mechanistic and therapeutic insights into splicing dysregulation in cancer.
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Affiliation(s)
- Yueren Yan
- Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China
| | - Yunpeng Ren
- Department of Cellular and Genetic Medicine, Shanghai Key Laboratory of Medical Imaging Computing and Computer Assisted Intervention, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Yufang Bao
- Department of Cellular and Genetic Medicine, Shanghai Key Laboratory of Medical Imaging Computing and Computer Assisted Intervention, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Yongbo Wang
- Department of Cellular and Genetic Medicine, Shanghai Key Laboratory of Medical Imaging Computing and Computer Assisted Intervention, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
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7
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Idei U, Ohta T, Yamatani H, Seino M, Nagase S. Mechanism of Cell Death by Combined Treatment with an xCT Inhibitor and Paclitaxel: An Alternative Therapeutic Strategy for Patients with Ovarian Clear Cell Carcinoma. Int J Mol Sci 2023; 24:11781. [PMID: 37511540 PMCID: PMC10380372 DOI: 10.3390/ijms241411781] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/15/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
Ovarian clear cell carcinoma (OCCC) is a rare subtype of epithelial ovarian carcinoma that responds poorly to chemotherapy. Glutathione (GSH) is a primary antioxidant, which protects cells against reactive oxygen species (ROS). High levels of GSH are related to chemotherapeutic resistance. The glutamine/cystine transporter xCT is essential for intracellular GSH synthesis. However, whether xCT inhibition can overcome the resistance to chemotherapeutic agents in OCCC remains unclear. This study demonstrated that combined treatment with paclitaxel (PTX) and the xCT inhibitor sulfasalazine (SAS) significantly enhanced cytotoxicity more than the individual drugs did in OCCC cells. Treatment with PTX and SAS induced apoptosis more effectively than did individual drug treatments in the cells with significant generation of ROS. Moreover, combined treatment with PTX and SAS induced ferroptosis in the cells with low expression of glutathione peroxidase (GPx4), high levels of intracellular iron and significant lipid ROS accumulation. Therefore, our findings provide valuable information that the xCT inhibitor might be a promising therapeutic target for drug-resistant OCCC. The strategy of combined administration of PTX and SAS can potentially be used to treat OCCC and help to develop novel therapeutic methods.
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Affiliation(s)
- Urara Idei
- Department of Obstetrics and Gynecology, Faculty of Medicine, Yamagata University, Yamagata 990-9585, Japan
| | - Tsuyoshi Ohta
- Department of Obstetrics and Gynecology, Faculty of Medicine, Yamagata University, Yamagata 990-9585, Japan
| | - Hizuru Yamatani
- Department of Obstetrics and Gynecology, Faculty of Medicine, Yamagata University, Yamagata 990-9585, Japan
| | - Manabu Seino
- Department of Obstetrics and Gynecology, Faculty of Medicine, Yamagata University, Yamagata 990-9585, Japan
| | - Satoru Nagase
- Department of Obstetrics and Gynecology, Faculty of Medicine, Yamagata University, Yamagata 990-9585, Japan
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8
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Romeo HE, Barreiro Arcos ML. Clinical relevance of stem cells in lung cancer. World J Stem Cells 2023; 15:576-588. [PMID: 37424954 PMCID: PMC10324501 DOI: 10.4252/wjsc.v15.i6.576] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/18/2023] [Accepted: 05/08/2023] [Indexed: 06/26/2023] Open
Abstract
Lung cancer is the major cause of cancer-related deaths worldwide, it has one of the lowest 5-year survival rate, mainly because it is diagnosed in the late stage of the disease. Lung cancer is classified into two groups, small cell lung cancer (SCLC) and non-SCLC (NSCLC). In turn, NSCLC is categorized into three distinct cell subtypes: Adenocarcinoma, squamous cell carcinoma, and large cell carcinoma. NSCLC is the most common lung cancer, accounting for 85% of all lung cancers. Treatment for lung cancer is linked to the cell type and stage of the disease, involving chemotherapy, radiation therapy, and surgery. Despite improvements in therapeutic treatments, lung cancer patients show high rates of recurrence, metastasis, and resistance to chemotherapy. Lung stem cells (SCs) are undifferentiated cells capable of self-renewal and proliferation, are resistant to chemotherapy and radiotherapy and, due to their properties, could be involved in the development and progression of lung cancer. The presence of SCs in the lung tissue could be the reason why lung cancer is difficult to treat. The identification of lung cancer stem cells biomarkers is of interest for precision medicine using new therapeutic agents directed against these cell populations. In this review, we present the current knowledge on lung SCs and discuss their functional role in the initiation and progression of lung cancer, as well as their role in tumor resistance to chemotherapy.
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Affiliation(s)
- Horacio Eduardo Romeo
- School of Engineering and Agrarian Sciences, Pontifical Catholic University of Argentina, Institute of Biomedical Research (BIOMED-UCA-CONICET), CABA C1107AAZ, Buenos Aires, Argentina
| | - María Laura Barreiro Arcos
- School of Engineering and Agrarian Sciences, Pontifical Catholic University of Argentina, Institute of Biomedical Research (BIOMED-UCA-CONICET), CABA C1107AAZ, Buenos Aires, Argentina
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9
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Bagherpoor AJ, Shameem M, Luo X, Seelig D, Kassie F. Inhibition of lung adenocarcinoma by combinations of sulfasalazine (SAS) and disulfiram-copper (DSF-Cu) in cell line models and mice. Carcinogenesis 2023; 44:291-303. [PMID: 37053033 PMCID: PMC10290516 DOI: 10.1093/carcin/bgad020] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 03/20/2023] [Accepted: 04/11/2023] [Indexed: 04/14/2023] Open
Abstract
Sulfasalazine (SAS) is a repurposed antitumor drug which inhibits the proliferation and survival of cancer cells by inhibiting the xCT cellular antioxidant system. Recent clinical studies have shown that, due to poor bioavailability, the antitumor effects of SAS monotherapy are minimal. Therefore, we hypothesized that DSF, another repurposed drug that has demonstrated anticancer effects, or its complex with copper (DSF-copper, DSF-Cu) could potentiate the antilung cancer effects of SAS. Exposure of non-small cell lung cancer cells to therapeutically achievable concentrations of SAS-induced low-to-moderate cytotoxic effects (20-40% reduction in cell viability) and, unexpectedly, induced the antioxidant protein NRF2 and its downstream effectors xCT and ALDH1A1. However, combinations of SAS and DSF-Cu, but not SAS and DSF, induced a significantly higher cytotoxic effect (64-88% reduction in cell viability), apoptosis and generation of mitochondrial reactive oxygen species as compared with SAS or DSF-Cu alone. Moreover, DSF-Cu abrogated SAS-induced NRF2, xCT and ALDH1A1 expression. In a mouse model of lung tumor, SAS + DSF-Cu showed a higher efficacy than the individual drugs in reducing the number and size of tumors as well as the incidence and multiplicity of lung adenocarcinoma. Taken together, our findings indicate that the observed antilung cancer effects of SAS plus DSF-Cu are mediated, at least in part, via impairment of reactive oxygen species defense and -enhancement of oxidative stress and provide evidence for the preventive/therapeutic potential of this combinatorial approach against lung cancer.
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Affiliation(s)
| | | | - Xianghua Luo
- Masonic Cancer Center, Minneapolis, MN 55455, USA
- Division of Biostatistics, School of Public Health, Minneapolis, MN 55455, USA
| | - Davis Seelig
- Masonic Cancer Center, Minneapolis, MN 55455, USA
- College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
| | - Fekadu Kassie
- Masonic Cancer Center, Minneapolis, MN 55455, USA
- College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
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10
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Kerkhove L, Geirnaert F, Rifi AL, Law KL, Gutiérrez A, Oudaert I, Corbet C, Gevaert T, Dufait I, De Ridder M. Repurposing Sulfasalazine as a Radiosensitizer in Hypoxic Human Colorectal Cancer. Cancers (Basel) 2023; 15:cancers15082363. [PMID: 37190291 DOI: 10.3390/cancers15082363] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/13/2023] [Accepted: 04/13/2023] [Indexed: 05/17/2023] Open
Abstract
xCT overexpression in cancer cells has been linked to tumor growth, metastasis and treatment resistance. Sulfasalazine (SSZ), an FDA-approved drug for the treatment of rheumatoid sarthritis, and inflammatory bowel diseases, has anticancer properties via inhibition of xCT, leading to the disruption of redox homeostasis. Since reactive oxygen species (ROS) are pivotal for the efficacy of radiotherapy (RT), elevated levels of ROS are associated with improved RT outcomes. In this study, the influence of SSZ treatment on the radiosensitivity of human colorectal cancer (CRC) cells was investigated. Our principal finding in human HCT116 and DLD-1 cells was that SSZ enhances the radiosensitivity of hypoxic CRC cells but does not alter the intrinsic radiosensitivity. The radiosensitizing effect was attributed to the depletion of glutathione and thioredoxin reductase levels. In turn, the reduction leads to excessive levels of ROS, increased DNA damage, and ferroptosis induction. Confirmation of these findings was performed in 3D models and in DLD-1 xenografts. Taken together, this study is a stepping stone for applying SSZ as a radiosensitizer in the clinic and confirms that xCT in cancer cells is a valid radiobiological target.
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Affiliation(s)
- Lisa Kerkhove
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Febe Geirnaert
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Amir Laraki Rifi
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Ka Lun Law
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Adrián Gutiérrez
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Inge Oudaert
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Cyril Corbet
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, 1200 Brussels, Belgium
| | - Thierry Gevaert
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Inès Dufait
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Mark De Ridder
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, 1090 Brussels, Belgium
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11
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Furukawa T, Tabata S, Minami K, Yamamoto M, Kawahara K, Tanimoto A. Metabolic reprograming of cancer as a therapeutic target. Biochim Biophys Acta Gen Subj 2023; 1867:130301. [PMID: 36572257 DOI: 10.1016/j.bbagen.2022.130301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 12/07/2022] [Accepted: 12/21/2022] [Indexed: 12/25/2022]
Abstract
Our understanding of metabolic reprogramming in cancer has tremendously improved along with the technical progression of metabolomic analysis. Metabolic changes in cancer cells proved much more complicated than the classical Warburg effect. Previous studies have approached metabolic changes as therapeutic and/or chemopreventive targets. Recently, several clinical trials have reported anti-cancer agents associated with metabolism. However, whether cancer cells are dependent on metabolic reprogramming or favor suitable conditions remains nebulous. Both scenarios are possibly intertwined. Identification of downstream molecules and the understanding of mechanisms underlying reprogrammed metabolism can improve the effectiveness of cancer therapy. Here, we review several examples of the metabolic reprogramming of cancer cells and the therapies targeting the metabolism-related molecules as well as discuss practical approaches to improve the next generation of cancer therapies focused on the metabolic reprogramming of cancer.
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Affiliation(s)
- Tatsuhiko Furukawa
- Department of Pathology, Graduate School Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan.
| | - Sho Tabata
- Laboratory for Cell Systems, Institute for Protein Research, Osaka University, 3-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Kentaro Minami
- Department of Pharmacy, University of Miyazaki Hospital, 5200 Kihara Kiyotake cho, Miyazaki 889-1692, Japan
| | - Masatatsu Yamamoto
- Department of Molecular Oncology, Graduate School Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan
| | - Kohichi Kawahara
- Department of Molecular Oncology, Graduate School Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan
| | - Akihide Tanimoto
- Department of Pathology, Graduate School Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan; Center for the Research of Advanced Diagnosis and Therapy of Cancer, Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan
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12
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Wang W, Tabu K, Aimaitijiang A, Taga T. Therapy-resistant nature of cancer stem cells in view of iron metabolism. Inflamm Regen 2022; 42:34. [PMID: 36324180 PMCID: PMC9632139 DOI: 10.1186/s41232-022-00220-y] [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: 03/22/2022] [Accepted: 07/13/2022] [Indexed: 11/05/2022] Open
Abstract
Due to increased resistance to standard chemo/radiotherapies and relapse, highly tumorigenic cancer stem cells (CSCs) have been proposed as a promising target for the development of effective cancer treatments. In order to develop innovative cancer therapies that target CSCs, much attention has focused on the iron metabolism of CSCs, which has been considered to contribute to self-renewal of CSCs. Here, we review recent advances in iron metabolism and conventional iron metabolism-targeted cancer therapies, as well as therapy resistance of CSCs and potential treatment options to overcome them, which provide important insights into therapeutic strategies against intractable cancers. Potential treatment options targeting iron homeostasis, including small-molecule inhibitors, nanotechnology platforms, ferroptosis, and 5-ALA-PDT, might be a focus of future research for the development of innovative cancer therapies that tackle CSCs.
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Affiliation(s)
- Wenqian Wang
- Department of Plastic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Kouichi Tabu
- Department of Stem Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45, Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.
| | - Alapati Aimaitijiang
- Department of Stem Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45, Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Tetsuya Taga
- Department of Stem Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45, Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.
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13
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Pardieu B, Pasanisi J, Ling F, Dal Bello R, Penneroux J, Su A, Joudinaud R, Chat L, Wu HC, Duchmann M, Sodaro G, Chauvel C, Castelli FA, Vasseur L, Pacchiardi K, Belloucif Y, Laiguillon MC, Meduri E, Vaganay C, Alexe G, Berrou J, Benaksas C, Forget A, Braun T, Gardin C, Raffoux E, Clappier E, Adès L, de Thé H, Fenaille F, Huntly BJ, Stegmaier K, Dombret H, Fenouille N, Lobry C, Puissant A, Itzykson R. Cystine uptake inhibition potentiates front-line therapies in acute myeloid leukemia. Leukemia 2022; 36:1585-1595. [PMID: 35474100 DOI: 10.1038/s41375-022-01573-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 04/01/2022] [Accepted: 04/07/2022] [Indexed: 12/17/2022]
Abstract
By querying metabolic pathways associated with leukemic stemness and survival in multiple AML datasets, we nominated SLC7A11 encoding the xCT cystine importer as a putative AML dependency. Genetic and chemical inhibition of SLC7A11 impaired the viability and clonogenic capacity of AML cell lines in a cysteine-dependent manner. Sulfasalazine, a broadly available drug with xCT inhibitory activity, had anti-leukemic activity against primary AML samples in ex vivo cultures. Multiple metabolic pathways were impacted upon xCT inhibition, resulting in depletion of glutathione pools in leukemic cells and oxidative stress-dependent cell death, only in part through ferroptosis. Higher expression of cysteine metabolism genes and greater cystine dependency was noted in NPM1-mutated AMLs. Among eight anti-leukemic drugs, the anthracycline daunorubicin was identified as the top synergistic agent in combination with sulfasalazine in vitro. Addition of sulfasalazine at a clinically relevant concentration significantly augmented the anti-leukemic activity of a daunorubicin-cytarabine combination in a panel of 45 primary samples enriched in NPM1-mutated AML. These results were confirmed in vivo in a patient-derived xenograft model. Collectively, our results nominate cystine import as a druggable target in AML and raise the possibility to repurpose sulfasalazine for the treatment of AML, notably in combination with chemotherapy.
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Affiliation(s)
- Bryann Pardieu
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Justine Pasanisi
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Frank Ling
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Reinaldo Dal Bello
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
- Département Hématologie et Immunologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, F-75010, Paris, France
| | - Justine Penneroux
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Angela Su
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Romane Joudinaud
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Laureen Chat
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Hsin Chieh Wu
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
- Collège de France, Oncologie Cellulaire et Moléculaire, PSL University, INSERM UMR1050, CNRS UMR, 7241, Paris, France
| | - Matthieu Duchmann
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Gaetano Sodaro
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Clémentine Chauvel
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
- Laboratoire d'Hématologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, F-75010, Paris, France
| | - Florence A Castelli
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), MetaboHUB, F-91191, Gif-sur-Yvette, France
| | - Loic Vasseur
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Kim Pacchiardi
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
- Laboratoire d'Hématologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, F-75010, Paris, France
| | - Yannis Belloucif
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Marie-Charlotte Laiguillon
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Eshwar Meduri
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, Cambridge, UK
| | - Camille Vaganay
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Gabriela Alexe
- Department of Pediatric Oncology, Dana-Farber Cancer Institute and Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
- The Broad Institute of Harvard University and Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Jeannig Berrou
- Université Paris Cité, Leukemia Transfer Lab, EA 3518, Institut de Recherche Saint-Louis, F-75010, Paris, France
| | - Chaima Benaksas
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Antoine Forget
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Thorsten Braun
- Université Paris Cité, Leukemia Transfer Lab, EA 3518, Institut de Recherche Saint-Louis, F-75010, Paris, France
| | - Claude Gardin
- Université Paris Cité, Leukemia Transfer Lab, EA 3518, Institut de Recherche Saint-Louis, F-75010, Paris, France
| | - Emmanuel Raffoux
- Département Hématologie et Immunologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, F-75010, Paris, France
| | - Emmanuelle Clappier
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
- Laboratoire d'Hématologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, F-75010, Paris, France
| | - Lionel Adès
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
- Département Hématologie et Immunologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, F-75010, Paris, France
| | - Hugues de Thé
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
- Collège de France, Oncologie Cellulaire et Moléculaire, PSL University, INSERM UMR1050, CNRS UMR, 7241, Paris, France
| | - François Fenaille
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), MetaboHUB, F-91191, Gif-sur-Yvette, France
| | - Brian J Huntly
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, Cambridge, UK
| | - Kimberly Stegmaier
- Department of Pediatric Oncology, Dana-Farber Cancer Institute and Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
- The Broad Institute of Harvard University and Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Hervé Dombret
- Département Hématologie et Immunologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, F-75010, Paris, France
- The Broad Institute of Harvard University and Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Nina Fenouille
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Camille Lobry
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Alexandre Puissant
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France
| | - Raphael Itzykson
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, F-75010, Paris, France.
- Département Hématologie et Immunologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, F-75010, Paris, France.
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14
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Establishment of a new canine inflammatory mammary carcinoma cell line and analysis of its cystine-glutamate transporter subunit expression. J Vet Res 2022; 66:273-279. [PMID: 35892110 PMCID: PMC9281518 DOI: 10.2478/jvetres-2022-0023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 05/09/2022] [Indexed: 12/02/2022] Open
Abstract
Introduction Inflammatory mammary carcinoma (IMC) is a rare disease with a poor prognosis and one affecting dogs. Inflammatory breast carcinoma (IBC) is a subtype of malignant breast cancer in humans with a high degree of malignancy and a similarly poor prognosis. Since the clinical symptoms and prognoses of both are similar, canine IMC has been considered as a model of human IBC. In this study, we newly established a stable IMC-derived cell line from a patient at the Yamaguchi University Animal Medical Center in Japan. Material and Methods The patient was a female toy poodle presenting with an inflamed mammary gland, which was diagnosed as IMC. The cell line was established from a tissue biopsy. Surface antigen marker (CD24 and CD44) expression was determined. Cystine/glutamate antiporter (xCT) expression was determined by Western blotting, flow cytometry and fluorescence immunostaining, and sulfasalazine was administered to ascertain if it suppressed xCT expression. Stem cell marker (Nanog, Sox2, Myc and Klf4) expression and aldehyde dehydrogenase (ALDH) activity were also investigated. Results The cultured cells showed xCT, and its suppression showed downregulation of stem cell markers and ALDH activity. Stable cell proliferation was verified. Conclusion A new canine IMC-derived cell line was established. In the future, we aim to study the effect of xCT on the maintenance of cancer stem cell properties in canine tumours, and propose a new therapeutic method for the treatment of canine IMC by targeting xCT.
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Zhang Q, Li W. Correlation between amino acid metabolism and self-renewal of cancer stem cells: Perspectives in cancer therapy. World J Stem Cells 2022; 14:267-286. [PMID: 35662861 PMCID: PMC9136564 DOI: 10.4252/wjsc.v14.i4.267] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/19/2022] [Accepted: 04/25/2022] [Indexed: 02/06/2023] Open
Abstract
Cancer stem cells (CSCs) possess self-renewal and differentiation potential, which may be related to recurrence, metastasis, and radiochemotherapy resistance during tumor treatment. Understanding the mechanisms via which CSCs maintain self-renewal may reveal new therapeutic targets for attenuating CSC resistance and extending patient life-span. Recent studies have shown that amino acid metabolism plays an important role in maintaining the self-renewal of CSCs and is involved in regulating their tumorigenicity characteristics. This review summarizes the relationship between CSCs and amino acid metabolism, and discusses the possible mechanisms by which amino acid metabolism regulates CSC characteristics particularly self-renewal, survival and stemness. The ultimate goal is to identify new targets and research directions for elimination of CSCs.
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Affiliation(s)
- Qi Zhang
- Cancer Center, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
| | - Wei Li
- Cancer Center, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
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16
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Hsieh CH, Huang YW, Tsai TF. Oral Conventional Synthetic Disease-Modifying Antirheumatic Drugs with Antineoplastic Potential: a Review. Dermatol Ther (Heidelb) 2022; 12:835-860. [PMID: 35381976 PMCID: PMC9021342 DOI: 10.1007/s13555-022-00713-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Indexed: 01/17/2023] Open
Abstract
There is an increasing trend of malignancy worldwide. Disease-modifying antirheumatic drugs (DMARDs) are the cornerstones for the treatment of immune-mediated inflammatory diseases (IMIDs), but risk of malignancy is a major concern for patients receiving DMARDs. In addition, many IMIDs already carry higher background risks of neoplasms. Recently, the black box warning of malignancies has been added for Janus kinase inhibitors. Also, the use of biologic DMARDs in patients with established malignancies is usually discouraged owing to exclusion of such patients in pivotal studies and, hence, lack of evidence. In contrast, some conventional synthetic DMARDs (csDMARDs) have been reported to show antineoplastic properties and can be beneficial for patients with cancer. Among the csDMARDs, chloroquine and hydroxychloroquine have been the most extensively studied, and methotrexate is an established chemotherapeutic agent. Even cyclosporine A, a well-known drug associated with cancer risk, can potentiate the effect of some chemotherapeutic agents. We review the possible mechanisms behind and clinical evidence of the antineoplastic activities of csDMARDs, including chloroquine and hydroxychloroquine, cyclosporine, leflunomide, mycophenolate mofetil, mycophenolic acid, methotrexate, sulfasalazine, and thiopurines. This knowledge may guide physicians in the choice of csDMARDs for patients with concurrent IMIDs and malignancies.
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Affiliation(s)
- Cho-Hsun Hsieh
- Department of Medical Education, National Taiwan University Hospital, Taipei, Taiwan
| | - Yi-Wei Huang
- Department of Dermatology, National Taiwan University Hospital, 7 Chung Shan S Rd, Taipei, 10048, Taiwan
| | - Tsen-Fang Tsai
- Department of Dermatology, National Taiwan University Hospital, 7 Chung Shan S Rd, Taipei, 10048, Taiwan. .,Department of Dermatology, National Taiwan University Hospital & National Taiwan University College of Medicine, Taipei, Taiwan.
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17
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Sissung TM, Figg WD. Pharmacogenomics Testing in Phase I Oncology Clinical Trials: Constructive Criticism Is Warranted. Cancers (Basel) 2022; 14:cancers14051131. [PMID: 35267440 PMCID: PMC8909728 DOI: 10.3390/cancers14051131] [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: 01/21/2022] [Revised: 02/08/2022] [Accepted: 02/19/2022] [Indexed: 12/04/2022] Open
Abstract
Simple Summary Phase I clinical trials are a cornerstone of pharmaceutical development in oncology. Many studies have now attempted to incorporate pharmacogenomics into phase I studies; however, many of these studies have fundamental flaws that that preclude interpretation and application of their findings. Study populations are often small and heterogeneous with multiple disease states, multiple dose levels, and prior therapies. Genetic testing typically includes few variants in candidate genes that do no encapsulate the full range of phenotypic variability in protein function. Moreover, a plurality of these studies do not present scientifically robust clinical or preclinical justification for undertaking pharmacogenomics studies. A significant amount of progress in understanding pharmacogenomic variability has occurred since pharmacogenomics approaches first began appearing in the literature. This progress can be immediately leveraged for the vast majority of Phase I studies. The purpose of this review is to summarize the current literature pertaining to Phase I incorporation of pharmacogenomics studies, analyze potential flaws in study design, and suggest approaches that can improve design of future scientific efforts. Abstract While over ten-thousand phase I studies are published in oncology, fewer than 1% of these studies stratify patients based on genetic variants that influence pharmacology. Pharmacogenetics-based patient stratification can improve the success of clinical trials by identifying responsive patients who have less potential to develop toxicity; however, the scientific limits imposed by phase I study designs reduce the potential for these studies to make conclusions. We compiled all phase I studies in oncology with pharmacogenetics endpoints (n = 84), evaluating toxicity (n = 42), response or PFS (n = 32), and pharmacokinetics (n = 40). Most of these studies focus on a limited number of agent classes: Topoisomerase inhibitors, antimetabolites, and anti-angiogenesis agents. Eight genotype-directed phase I studies were identified. Phase I studies consist of homogeneous populations with a variety of comorbidities, prior therapies, racial backgrounds, and other factors that confound statistical analysis of pharmacogenetics. Taken together, phase I studies analyzed herein treated small numbers of patients (median, 95% CI = 28, 24–31), evaluated few variants that are known to change phenotype, and provided little justification of pharmacogenetics hypotheses. Future studies should account for these factors during study design to optimize the success of phase I studies and to answer important scientific questions.
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Affiliation(s)
| | - William D. Figg
- Correspondence: ; Tel.: +1-240-760-6179; Fax: +1-240-541-4536
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18
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Sendo K, Seino M, Ohta T, Nagase S. Impact of the glutathione synthesis pathway on sulfasalazine-treated endometrial cancer. Oncotarget 2022; 13:224-236. [PMID: 35106124 PMCID: PMC8794577 DOI: 10.18632/oncotarget.28185] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 01/10/2022] [Indexed: 01/17/2023] Open
Abstract
Glutathione is an antioxidant that has an important role in chemotherapeutic drug resistance in cancer. Cysteine is synthesized from cystine and is transported into the cell via the xCT antiporter. Another pathway for synthesizing cysteine involves intracellular methionine. We determined whether targeting the xCT represents a promising strategy for the treatment of endometrial cancer and identified factors that predict efficacy of this treatment strategy. In uterine serous carcinoma (USC) cell lines, the combination of cisplatin and the xCT inhibitor, sulfasalazine, significantly inhibited cell growth compared with single-agent cisplatin or sulfasalazine. Sulfasalazine treatment significantly decreased intracellular glutathione levels and induced apoptosis when combined with cisplatin in USC cell lines. On the one hand, the effectiveness of combined cisplatin and sulfasalazine was not evident in endometrioid carcinoma. USC cell lines exhibited increased expression of xCT and decreased expression of cystathionine gamma lyase (CGL), which is an enzyme involved in the synthesis of cysteine from methionine. On the other hand, endometrioid carcinoma cell lines exhibited increased CGL expression or decreased xCT expression. These findings suggest that using a glutathione synthesis pathway-based approach for selecting subjects for sulfasalazine treatment may be an effective strategy for circumventing glutathione-related chemotherapeutic drug resistance in endometrial carcinoma.
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Affiliation(s)
- Kanako Sendo
- Department of Obstetrics and Gynecology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Manabu Seino
- Department of Obstetrics and Gynecology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Tsuyoshi Ohta
- Department of Obstetrics and Gynecology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Satoru Nagase
- Department of Obstetrics and Gynecology, Yamagata University Faculty of Medicine, Yamagata, Japan
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19
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Tang X, Chen W, Liu H, Liu N, Chen D, Tian D, Wang J. Research progress on SLC7A11 in the regulation of cystine/cysteine metabolism in tumors. Oncol Lett 2022; 23:47. [PMID: 34992680 PMCID: PMC8721856 DOI: 10.3892/ol.2021.13165] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 11/25/2021] [Indexed: 12/24/2022] Open
Abstract
Solute carrier family 7 member 11 (SLC7A11) is a major transporter regulating cysteine metabolism and is widely expressed in a variety of tumor cells. SLC7A11 plays an important role in the occurrence, development, invasion and metastasis of tumors by regulating the transport of cysteine in the tumor microenvironment. SLC7A11 is expected to become a new therapeutic target and prognostic indicator for the individualized treatment of patients. According to relevant research reports, SLC7A11 can predict the stages and metastasis of liver, breast and lung cancer. Therefore, an in-depth exploration of the role of SLC7A11 in tumors may be important for the screening, early diagnosis, treatment and prognosis of patients with tumors. The current review summarizes the research progress on SLC7A11 in liver cancer, lung cancer and other tumors on the basis of previous primary studies. In addition, the present review systematically elaborates on the three main aspects of SLC7A11 pathways in some tumors, the cancer-promoting mechanisms, and the therapeutic relationship between SLC7A11 and tumors. Finally, the present review aims to provide a reference for assessing whether SLC7A11 can be used as a prognostic indicator and treatment target for tumor patients, and the future research direction with regard to SLC7A11 in tumors.
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Affiliation(s)
- Xiang Tang
- Institute of Oncology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
| | - Wei Chen
- Department of Radiotherapy Oncology, The Affiliated Yancheng First Hospital of Nanjing University Medical School, The First People's Hospital of Yancheng, Yancheng, Jiangsu 224000, P.R. China
| | - Hui Liu
- Department of Radiotherapy Oncology, The Affiliated Yancheng First Hospital of Nanjing University Medical School, The First People's Hospital of Yancheng, Yancheng, Jiangsu 224000, P.R. China
| | - Na Liu
- Institute of Oncology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
| | - Deyu Chen
- Institute of Oncology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
| | - Dalong Tian
- Department of Radiotherapy Oncology, The Affiliated Yancheng First Hospital of Nanjing University Medical School, The First People's Hospital of Yancheng, Yancheng, Jiangsu 224000, P.R. China
| | - Jingzhi Wang
- Department of Radiotherapy Oncology, The Affiliated Yancheng First Hospital of Nanjing University Medical School, The First People's Hospital of Yancheng, Yancheng, Jiangsu 224000, P.R. China
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20
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Managing GSH elevation and hypoxia to overcome resistance of cancer therapies using functionalized nanocarriers. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.103022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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21
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Niu B, Liao K, Zhou Y, Wen T, Quan G, Pan X, Wu C. Application of glutathione depletion in cancer therapy: Enhanced ROS-based therapy, ferroptosis, and chemotherapy. Biomaterials 2021; 277:121110. [PMID: 34482088 DOI: 10.1016/j.biomaterials.2021.121110] [Citation(s) in RCA: 352] [Impact Index Per Article: 117.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 08/18/2021] [Accepted: 08/27/2021] [Indexed: 01/17/2023]
Abstract
Glutathione (GSH) is an important member of cellular antioxidative system. In cancer cells, a high level of GSH is indispensable to scavenge excessive reactive oxygen species (ROS) and detoxify xenobiotics, which make it a potential target for cancer therapy. Plenty of studies have shown that loss of intracellular GSH makes cancer cells more susceptible to oxidative stress and chemotherapeutic agents. GSH depletion has been proved to improve the therapeutic efficacy of ROS-based therapy (photodynamic therapy, sonodynamic therapy, and chemodynamic therapy), ferroptosis, and chemotherapy. In this review, various strategies for GSH depletion used in cancer therapy are comprehensively summarized and discussed. First, the functions of GSH in cancer cells are analyzed to elucidate the necessity of GSH depletion in cancer therapy. Then, the synthesis and metabolism of GSH are briefly introduced to bring up some crucial targets for GSH modulation. Finally, different approaches to GSH depletion in the literature are classified and discussed in detail according to their mechanisms. Particularly, functional materials with GSH-consuming ability based on nanotechnology are elaborated due to their unique advantages and potentials. This review presents the ingenious application of GSH-depleting strategy in cancer therapy for improving the outcomes of various therapeutic regimens, which may provide useful guidance for designing intelligent drug delivery system.
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Affiliation(s)
- Boyi Niu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Kaixin Liao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Yixian Zhou
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Ting Wen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Guilan Quan
- College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
| | - Chuanbin Wu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China; College of Pharmacy, Jinan University, Guangzhou, 510632, China.
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22
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Jogo T, Oki E, Nakanishi R, Ando K, Nakashima Y, Kimura Y, Saeki H, Oda Y, Maehara Y, Mori M. Expression of CD44 variant 9 induces chemoresistance of gastric cancer by controlling intracellular reactive oxygen spices accumulation. Gastric Cancer 2021; 24:1089-1099. [PMID: 33963958 DOI: 10.1007/s10120-021-01194-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 04/26/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND CD44 variant 9 (CD44v9) has been reported to suppress reactive oxygen spices (ROS) in association with antioxidant factors such as glutathione (GSH) and glutathione peroxidase 2 (GPx2), resulting in promoted tumor growth. METHODS CD44v9 and GPx2 expression were investigated by immunohistochemistry in resected specimens from 193 gastric cancer (GC) patients without preoperative chemotherapy and in pretreatment biopsy specimens from 29 GC patients with preoperative chemotherapy. We analyzed the relationship between CD44v9 expression and clinicopathological factors, prognosis, and pathological response to chemotherapy. In GC cell lines, we examined the relationship between CD44v9 expression and chemotherapeutic sensitivity. RESULTS In patients without preoperative chemotherapy, CD44v9 expression was significantly associated with depth of invasion, lymphatic permeation, vascular invasion, distant metastasis and GPx2 expression. In multivariate analysis, CD44v9 expression was an independent poor prognosis factor for overall survival and recurrence-free survival. In patients with preoperative chemotherapy, CD44v9 expression was significantly associated with worse pathological response and GPx2 expression. In GC cell lines, downregulation of CD44v9 expression enhanced chemotherapeutic sensitivity to 5-fluorouracil with changing GSH and ROS levels. CONCLUSIONS CD44v9-positive expression was associated with chemotherapeutic resistance by controlling intracellular accumulated ROS, suggesting that CD44v9 may be a predictive biomarker for chemotherapy in GC.
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Affiliation(s)
- Tomoko Jogo
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.,Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Eiji Oki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
| | - Ryota Nakanishi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Koji Ando
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yuichiro Nakashima
- Department of Gastroenterological Surgery, National Hospital Organization Kyushu Cancer Center, Fukuoka, Japan
| | - Yasue Kimura
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Hiroshi Saeki
- Department of General Surgical Science, Graduate School of Medicine, Gunma University, Gunma, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshihiko Maehara
- Kyushu Central Hospital of the Mutual Aid Association of Public School Teachers, Fukuoka, Japan
| | - Masaki Mori
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
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23
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Liu MR, Zhu WT, Pei DS. System Xc -: a key regulatory target of ferroptosis in cancer. Invest New Drugs 2021; 39:1123-1131. [PMID: 33506324 DOI: 10.1007/s10637-021-01070-0/tables/1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 01/15/2021] [Indexed: 05/26/2023]
Abstract
Ferroptosis is a type of oxidative stress-dependent regulated necrosis characterized by excessive lipid peroxide accumulation. This novel cell death modality has been implicated in preventing cancer progression. Cancer cells tend to modulate their redox state to prevent excessive peroxidation, eventually facilitating tumor growth. System Xc- (a cystine/glutamate antiporter system) is a promising target in cancer cells for ferroptosis induction. The overexpression of system Xc-, especially its core subunit xCT, has been reported in several tumors, and these high expression levels were closely related to cancer cell proliferation, invasion, metastasis and the tumor microenvironment. xCT might serve as a novel biomarker, and its upregulation almost always indicates drug tolerance and poor survival. Therefore, system Xc- inhibition may enhance chemotherapy sensitivity and optimize patient prognosis. Here, we elaborate on the mediation of ferroptosis by suppressing system Xc- and the relevant underlying molecular mechanism in cancer cells. The spotlight on this approach to cancer treatment is creating a new horizon and pointing to future opportunities.
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Affiliation(s)
- Man-Ru Liu
- Department of Pathology, Xuzhou Medical University, 209 Tong-shan Road, Jiangsu, 221004, Xuzhou, China
| | - Wen-Tao Zhu
- Department of Pathology, Xuzhou Medical University, 209 Tong-shan Road, Jiangsu, 221004, Xuzhou, China
| | - Dong-Sheng Pei
- Department of Pathology, Xuzhou Medical University, 209 Tong-shan Road, Jiangsu, 221004, Xuzhou, China.
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24
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Yoshida GJ, Saya H. Molecular pathology underlying the robustness of cancer stem cells. Regen Ther 2021; 17:38-50. [PMID: 33869685 PMCID: PMC8024885 DOI: 10.1016/j.reth.2021.02.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 02/08/2021] [Indexed: 02/06/2023] Open
Abstract
Intratumoral heterogeneity is tightly associated with the failure of anticancer treatment modalities including conventional chemotherapy, radiation therapy, and molecularly targeted therapy. Such heterogeneity is generated in an evolutionary manner not only as a result of genetic alterations but also by the presence of cancer stem cells (CSCs). CSCs are proposed to exist at the top of a tumor cell hierarchy and are undifferentiated tumor cells that manifest enhanced tumorigenic and metastatic potential, self-renewal capacity, and therapeutic resistance. Properties that contribute to the robustness of CSCs include the abilities to withstand redox stress, to rapidly repair damaged DNA, to adapt to a hyperinflammatory or hyponutritious tumor microenvironment, and to expel anticancer drugs by the action of ATP-binding cassette transporters as well as plasticity with regard to the transition between dormant CSC and transit-amplifying progenitor cell phenotypes. In addition, CSCs manifest the phenomenon of metabolic reprogramming, which is essential for maintenance of their self-renewal potential and their ability to adapt to changes in the tumor microenvironment. Elucidation of the molecular underpinnings of these biological features of CSCs is key to the development of novel anticancer therapies. In this review, we highlight the pathological relevance of CSCs in terms of their hallmarks and identification, the properties of their niche—both in primary tumors and at potential sites of metastasis—and their resistance to oxidative stress dependent on system xc (−). Intratumoral heterogeneity driven by CSCs is responsible for therapeutic resistance. CTCs survive in the distant organs and achieve colonization, causing metastasis. E/M hybrid cancer cells due to partial EMT exhibit the highest metastatic potential. The CSC niche regulates stemness in metastatic disease as well as in primary tumor. Activation of system xc(-) by CD44 variant in CSCs is a promising therapeutic target.
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Key Words
- ABC, ATP-binding cassette
- ALDH, Aldehyde dehydrogenase
- BMP, Bone morphogenetic protein
- CAF, Cancer-associated fibroblast
- CD44 variant
- CD44v, CD44 variant
- CSC, Cancer stem cell
- CTC, Circulating tumor cell
- CagA, Cytotoxin-associated gene A
- Cancer stem cell
- DTC, Disseminated tumor cell
- E/M, Epithelial/mesenchymal
- ECM, Extracellular matrix
- EGF, Epidermal growth factor
- EMT, Epithelial-to-mesenchymal transition
- EpCAM, Epithelial cell adhesion moleculeE
- Epithelial-to-mesenchymal transition (EMT)
- GSC, Glioma stem cell
- GSH, reduced glutathione
- HGF, Hepatocyte growth factor
- HNSCC, Head and neck squamous cell cancer
- IL, Interleukin
- Intratumoral heterogeneity
- MAPK, mitogen-activated protein kinase
- MET, mesenchymal-to-epithelial transition
- NSCLC, non–small cell lung cancer
- Niche
- Nrf2, nuclear factor erythroid 2–related factor 2
- OXPHOS, Oxidative phosphorylation
- Plasticity
- Prrx1, Paired-related homeodomain transcription factor 1
- ROS, Reactive oxygen species
- SRP1, Epithelial splicing regulatory protein 1
- TGF-β, Transforming growth factor–β
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Affiliation(s)
- Go J Yoshida
- Division of Gene Regulation, Institute for Advanced Medical Research (IAMR), Keio University School of Medicine, Tokyo, Japan
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research (IAMR), Keio University School of Medicine, Tokyo, Japan
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25
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Thanee M, Padthaisong S, Suksawat M, Dokduang H, Phetcharaburanin J, Klanrit P, Titapun A, Namwat N, Wangwiwatsin A, Sa-Ngiamwibool P, Khuntikeo N, Saya H, Loilome W. Sulfasalazine modifies metabolic profiles and enhances cisplatin chemosensitivity on cholangiocarcinoma cells in in vitro and in vivo models. Cancer Metab 2021; 9:11. [PMID: 33726850 PMCID: PMC7968252 DOI: 10.1186/s40170-021-00249-6] [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] [Received: 11/12/2020] [Accepted: 03/03/2021] [Indexed: 01/17/2023] Open
Abstract
Background Sulfasalazine (SSZ) is widely known as an xCT inhibitor suppressing CD44v9-expressed cancer stem-like cells (CSCs) being related to redox regulation. Cholangiocarcinoma (CCA) has a high recurrence rate and no effective chemotherapy. A recent report revealed high levels of CD44v9-positive cells in CCA patients. Therefore, a combination of drugs could prove a suitable strategy for CCA treatment via individual metabolic profiling. Methods We examined the effect of xCT-targeted CD44v9-CSCs using sulfasalazine combined with cisplatin (CIS) or gemcitabine in CCA in vitro and in vivo models and did NMR-based metabolomics analysis of xenograft mice tumor tissues. Results Our findings suggest that combined SSZ and CIS leads to a higher inhibition of cell proliferation and induction of cell death than CIS alone in both in vitro and in vivo models. Xenograft mice showed that the CD44v9-CSC marker and CK-19-CCA proliferative marker were reduced in the combination treatment. Interestingly, different metabolic signatures and significant metabolites were observed in the drug-treated group compared with the control group that revealed the cancer suppression mechanisms. Conclusions SSZ could improve CCA therapy by sensitization to CIS through killing CD44v9-positive cells and modifying the metabolic pathways, in particular tryptophan degradation (i.e., kynurenine pathway, serotonin pathway) and nucleic acid metabolism. Supplementary Information The online version contains supplementary material available at 10.1186/s40170-021-00249-6.
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Affiliation(s)
- Malinee Thanee
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Pathology, Faculty of Meidicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Sureerat Padthaisong
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Biochemistry, Faculty of Meidicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Manida Suksawat
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Biochemistry, Faculty of Meidicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Hasaya Dokduang
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
| | - Jutarop Phetcharaburanin
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Biochemistry, Faculty of Meidicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Poramate Klanrit
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Biochemistry, Faculty of Meidicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Attapol Titapun
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Nisana Namwat
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Biochemistry, Faculty of Meidicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Arporn Wangwiwatsin
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Biochemistry, Faculty of Meidicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Prakasit Sa-Ngiamwibool
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Pathology, Faculty of Meidicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Narong Khuntikeo
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research (IAMR), Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Watcharin Loilome
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand. .,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand. .,Department of Biochemistry, Faculty of Meidicine, Khon Kaen University, Khon Kaen, 40002, Thailand.
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26
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Liu MR, Zhu WT, Pei DS. System Xc -: a key regulatory target of ferroptosis in cancer. Invest New Drugs 2021; 39:1123-1131. [PMID: 33506324 DOI: 10.1007/s10637-021-01070-0] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 01/15/2021] [Indexed: 12/11/2022]
Abstract
Ferroptosis is a type of oxidative stress-dependent regulated necrosis characterized by excessive lipid peroxide accumulation. This novel cell death modality has been implicated in preventing cancer progression. Cancer cells tend to modulate their redox state to prevent excessive peroxidation, eventually facilitating tumor growth. System Xc- (a cystine/glutamate antiporter system) is a promising target in cancer cells for ferroptosis induction. The overexpression of system Xc-, especially its core subunit xCT, has been reported in several tumors, and these high expression levels were closely related to cancer cell proliferation, invasion, metastasis and the tumor microenvironment. xCT might serve as a novel biomarker, and its upregulation almost always indicates drug tolerance and poor survival. Therefore, system Xc- inhibition may enhance chemotherapy sensitivity and optimize patient prognosis. Here, we elaborate on the mediation of ferroptosis by suppressing system Xc- and the relevant underlying molecular mechanism in cancer cells. The spotlight on this approach to cancer treatment is creating a new horizon and pointing to future opportunities.
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Affiliation(s)
- Man-Ru Liu
- Department of Pathology, Xuzhou Medical University, 209 Tong-shan Road, Jiangsu, 221004, Xuzhou, China
| | - Wen-Tao Zhu
- Department of Pathology, Xuzhou Medical University, 209 Tong-shan Road, Jiangsu, 221004, Xuzhou, China
| | - Dong-Sheng Pei
- Department of Pathology, Xuzhou Medical University, 209 Tong-shan Road, Jiangsu, 221004, Xuzhou, China.
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27
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Liu J, Xia X, Huang P. xCT: A Critical Molecule That Links Cancer Metabolism to Redox Signaling. Mol Ther 2020; 28:2358-2366. [PMID: 32931751 DOI: 10.1016/j.ymthe.2020.08.021] [Citation(s) in RCA: 149] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/25/2020] [Accepted: 08/27/2020] [Indexed: 01/17/2023] Open
Abstract
System xc- cystine/glutamate antiporter, composed of a light-chain subunit (xCT, SLC7A11) and a heavy-chain subunit (CD98hc, SLC3A2), is mainly responsible for the cellular uptake of cystine in exchange for intracellular glutamate. In recent years, the xCT molecule has been found to play an important role in tumor growth, progression, metastasis, and multidrug resistance in various types of cancer. Interestingly, xCT also exhibits an essential function in regulating tumor-associated ferroptosis. Despite significant progress in targeting the system xc- transporter in cancer treatment, the underlying mechanisms still remain elusive. It is also unclear why solid tumors are more sensitive to xCT inhibitors such as sulfasalazine, as compared to hematological malignancies. This review mainly focuses on the role of xCT cystine/glutamate transporter in regard to tumor growth, chemoresistance, tumor-selective ferroptosis, and the mechanisms regulating xCT gene expression. The potential therapeutic implications of targeting the system xc- and its combination with chemotherapeutic agents or immunotherapy to suppress tumor growth and overcome drug resistance are also discussed.
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Affiliation(s)
- Jinyun Liu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, 651 Dongfeng East Road, Guangzhou 510060, China; Metabolic Innovation Center, Sun Yat-sen University Zhongshan School of Medicine, 74 Zhongshan 2nd Road, Guangzhou 510080, China.
| | - Xiaojun Xia
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, 651 Dongfeng East Road, Guangzhou 510060, China
| | - Peng Huang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, 651 Dongfeng East Road, Guangzhou 510060, China; Metabolic Innovation Center, Sun Yat-sen University Zhongshan School of Medicine, 74 Zhongshan 2nd Road, Guangzhou 510080, China.
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28
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Abstract
Metastasis of cancer cells to the brain occurs frequently in patients with certain subtypes of breast cancer. In particular, patients with HER2-positive or triple-negative breast cancer are at high risk for the development of brain metastases. Despite recent advances in the treatment of primary breast tumors, the prognosis of breast cancer patients with brain metastases remains poor. A better understanding of the molecular and cellular mechanisms underlying brain metastasis might be expected to lead to improvements in the overall survival rate for these patients. Recent studies have revealed complex interactions between metastatic cancer cells and their microenvironment in the brain. Such interactions result in the activation of various signaling pathways related to metastasis in both cancer cells and cells of the microenvironment including astrocytes and microglia. In this review, we focus on such interactions and on their role both in the metastatic process and as potential targets for therapeutic intervention.
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Affiliation(s)
- Mari Hosonaga
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, 35 Shinano-machi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Breast Medical Oncology Department, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, 35 Shinano-machi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yoshimi Arima
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, 35 Shinano-machi, Shinjuku-ku, Tokyo, 160-8582, Japan.
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29
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Okamoto K, Saito Y, Narumi K, Furugen A, Iseki K, Kobayashi M. Different mechanisms of cisplatin resistance development in human lung cancer cells. Biochem Biophys Res Commun 2020; 530:745-750. [PMID: 32782152 DOI: 10.1016/j.bbrc.2020.07.040] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 07/09/2020] [Indexed: 02/06/2023]
Abstract
Cisplatin (CDDP) is a highly potent and important anticancer drug in lung cancer treatment. Long-term use of an anticancer agent causes resistance in cancer cells, and CDDP resistance involves multiple mechanisms. As the mechanism of resistance development differs depending on the cancer cell types, we aimed to evaluate the detailed mechanism of resistance to CDDP in two types of lung cancer cells: SBC-3 and A549 cells. The CDDP-resistant SBC-3/DDP and A549/DDP cells were established through continuous treatment with a gradually increasing dose of CDDP. The viability of SBC-3/DDP and A549/DDP cells treated with CDDP was 3.68 and 2.08 times higher than that of the respective parental cells. Moreover, SBC-3/DDP cells showed significantly increased cystine/glutamate transporter (xCT) mRNA level, and A549/DDP cells showed markedly increased sex determining region Y-box 2 (SOX2) mRNA level. Moreover, the uptake of cystine, a substrate of xCT, was higher in SBC-3/DDP cells than in SBC-3 cells, and cystine uptake in A549/DDP cells was not different from that in A549 cells. In addition, co-treatment with CDDP and sulfasalazine, an xCT inhibitor, showed lower the concentration of 50% inhibition for cell viability than CDDP alone in SBC-3 and SBC-3/DDP cells, but not in A549 and A549/DDP cells. Furthermore, SBC-3 cells transiently overexpressing xCT were resistant to CDDP, and xCT knockdown in A549/DDP cells did not significantly change the level of SOX2 mRNA and viability of cells upon CDDP treatment. In conclusion, the two lung cancer cell lines showed different mechanisms of resistance to CDDP.
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Affiliation(s)
- Keisuke Okamoto
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12-jo, Nishi-6-chome, Kita-ku, Sapporo, 060-0812, Japan
| | - Yoshitaka Saito
- Department of Pharmacy, Hokkaido University Hospital, Kita-14-jo, Nishi-5-chome, Kita-ku, Sapporo, 060-8648, Japan
| | - Katsuya Narumi
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12-jo, Nishi-6-chome, Kita-ku, Sapporo, 060-0812, Japan
| | - Ayako Furugen
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12-jo, Nishi-6-chome, Kita-ku, Sapporo, 060-0812, Japan
| | - Ken Iseki
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12-jo, Nishi-6-chome, Kita-ku, Sapporo, 060-0812, Japan
| | - Masaki Kobayashi
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12-jo, Nishi-6-chome, Kita-ku, Sapporo, 060-0812, Japan.
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30
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Liu L, Liu R, Liu Y, Li G, Chen Q, Liu X, Ma S. Cystine-glutamate antiporter xCT as a therapeutic target for cancer. Cell Biochem Funct 2020; 39:174-179. [PMID: 32749001 DOI: 10.1002/cbf.3581] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 06/17/2020] [Indexed: 01/17/2023]
Abstract
Cystine/glutamic acid reverse transporter (System Xc - ), a member of the amino acid transporter family, consists of two subunits, light chain xCT and heavy chain 4F2hc. xCT is the cystine/glutamate antiporter solute carrier family 7 member 11 (SLC7A11), which promotes cystine uptake and glutathione biosynthetic, thus protecting against oxidative stress and ferroptosis. Studies have confirmed that xCT is highly expressed in a variety of tumour and is associated with tumour proliferation, invasion, metastasis, drug resistance and ferroptosis, and can be used as a potential target for tumour treatment. This review provides insights into the biological effects of xCT and contribute to the development of new xCT-based strategies.
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Affiliation(s)
- Lin Liu
- Platform for Radiation Protection and Emergency Preparedness of Southern Zhejiang, School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Rui Liu
- Key Laboratory of Radiobiology (Ministry of Health), School of Public Health, Jilin University, Changchun, China
| | - Yi Liu
- Platform for Radiation Protection and Emergency Preparedness of Southern Zhejiang, School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Guanghui Li
- Platform for Radiation Protection and Emergency Preparedness of Southern Zhejiang, School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Qing Chen
- Platform for Radiation Protection and Emergency Preparedness of Southern Zhejiang, School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Xiaodong Liu
- Platform for Radiation Protection and Emergency Preparedness of Southern Zhejiang, School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Shumei Ma
- Platform for Radiation Protection and Emergency Preparedness of Southern Zhejiang, School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
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31
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Takizawa K, Muramatsu K, Maruyama K, Urakami K, Sugino T, Kusuhara M, Yamaguchi K, Ono H, Kitagawa Y. Metabolic Profiling of Human Gastric Cancer Cells Treated With Salazosulfapyridine. Technol Cancer Res Treat 2020; 19:1533033820928621. [PMID: 32715923 PMCID: PMC7385828 DOI: 10.1177/1533033820928621] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
PURPOSE The adhesion molecule cluster of differentiation 44v9 interacts with and stabilizes the cystine/glutamate exchanger protein, which functions as a transporter of cystine. Stabilized cystine/glutamate exchanger increases extracellular cystine uptake and enhances glutathione production. Augmented levels of reduced glutathione mitigate reactive oxygen species and protect cancer cells from apoptosis. Salazosulfapyridine blocks cystine/glutamate exchanger activity and mitigates the supply of cystine to increase intracellular ROS production, thereby increasing cell susceptibility to apoptosis. This enhances the effect of anticancer drugs such as cisplatin. Currently, salazosulfapyridine is being developed as a promising anticancer agent. In the present study, we elucidated the molecular mechanism associated with salazosulfapyridine by investigating the salazosulfapyridine-induced changes in glutathione metabolism in cultured gastric cancer cell lines. METHODS The effect of salazosulfapyridine treatment on glutathione metabolism was investigated in 4 gastric cancer (AGS, MKN1, MKN45, and MKN74) and 2 colorectal cancer (HCT15 and HCT116) cell lines using metabolomic analyses. In addition, the effect of inhibition of the reduced form of nicotinamide adenine dinucleotide phosphate by 2-deoxyglucose on glutathione metabolism was evaluated. RESULTS Under hypoxia, enhanced glycolysis resulted in lactate accumulation with an associated reduction in nicotinamide adenine dinucleotide phosphate. Salazosulfapyridine treatment decreased the cysteine content and inhibited the formation of glutathione. Combined treatment with salazosulfapyridine and 2-deoxyglucose significantly inhibited cell proliferation. 2-Deoxyglucose, an inhibitor of glycolysis, depleted nicotinamide adenine dinucleotide phosphate required for the formation of glutathione. CONCLUSIONS Our results indicate that in cancer cells having a predominant glycolytic pathway, metabolomic analyses under hypoxic conditions enable the profiling of global metabolism. In addition, inhibiting the supply of nicotinamide adenine dinucleotide phosphate by blocking glycolysis is a potential treatment strategy for cancer, in addition to cystine blockade by salazosulfapyridine.
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Affiliation(s)
- Kohei Takizawa
- Division of Endoscopy, Shizuoka Cancer Center, Sunto-gun, Shizuoka, Japan.,Department of Surgery, School of Medicine, Keio University, Shinjuku-ku, Tokyo, Japan
| | - Koji Muramatsu
- Division of Pathology, Shizuoka Cancer Centre, Sunto-gun, Shizuoka, Japan
| | - Kouji Maruyama
- Experimental Animal Facility, Shizuoka Cancer Centre, Sunto-gun, Shizuoka, Japan
| | - Kenichi Urakami
- Cancer Diagnostics Research Division, Shizuoka Cancer Center Research Institute, Sunto-gun, Shizuoka, Japan
| | - Takashi Sugino
- Division of Pathology, Shizuoka Cancer Centre, Sunto-gun, Shizuoka, Japan
| | - Masatoshi Kusuhara
- Regional Resources Division, Shizuoka Cancer Center Research Institute, Sunto-gun, Shizuoka, Japan
| | | | - Hiroyuki Ono
- Division of Endoscopy, Shizuoka Cancer Center, Sunto-gun, Shizuoka, Japan
| | - Yuko Kitagawa
- Department of Surgery, School of Medicine, Keio University, Shinjuku-ku, Tokyo, Japan
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Boku S, Watanabe M, Sukeno M, Yaoi T, Hirota K, Iizuka-Ohashi M, Itoh K, Sakai T. Deactivation of Glutaminolysis Sensitizes PIK3CA-Mutated Colorectal Cancer Cells to Aspirin-Induced Growth Inhibition. Cancers (Basel) 2020; 12:cancers12051097. [PMID: 32365457 PMCID: PMC7281071 DOI: 10.3390/cancers12051097] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/18/2020] [Accepted: 04/23/2020] [Indexed: 12/12/2022] Open
Abstract
Aspirin is one of the most promising over-the-counter drugs to repurpose for cancer treatment. In particular, aspirin has been reported to be effective against PIK3CA-mutated colorectal cancer (CRC); however, little information is available on how the PIK3CA gene status affects its efficacy. We found that the growth inhibitory effects of aspirin were impaired upon glutamine deprivation in PIK3CA-mutated CRC cells. Notably, glutamine dependency of aspirin-mediated growth inhibition was observed in PIK3CA-mutated cells but not PIK3CA wild type cells. Mechanistically, aspirin induced G1 arrest in PIK3CA-mutated CRC cells and inhibited the mTOR pathway, inducing the same phenotypes as glutamine deprivation. Moreover, our study including bioinformatic approaches revealed that aspirin increased the expression levels of glutaminolysis-related genes with upregulation of activating transcription factor 4 (ATF4) in PIK3CA-mutated CRC cells. Lastly, the agents targeting glutaminolysis demonstrated significant combined effects with aspirin on PIK3CA-mutated CRC cells. Thus, these findings not only suggest the correlation among aspirin efficacy, PIK3CA mutation and glutamine metabolism, but also the rational combinatorial treatments of aspirin with glutaminolysis-targeting agents against PIK3CA-mutated CRC.
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Affiliation(s)
- Shogen Boku
- Department of Molecular-Targeting Prevention, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (S.B.); (M.I.-O.)
| | - Motoki Watanabe
- Department of Molecular-Targeting Prevention, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (S.B.); (M.I.-O.)
- Correspondence: ; Tel.: +81-75-251-5338
| | - Mamiko Sukeno
- Drug Discovery Center, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (M.S.); (T.S.)
| | - Takeshi Yaoi
- Department of Pathology and Applied Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (T.Y.); (K.I.)
| | - Kiichi Hirota
- Department of Human Stress Response Science, Institute of Biomedical Science, Kansai Medical University, Hirakata 573-1010, Japan;
| | - Mahiro Iizuka-Ohashi
- Department of Molecular-Targeting Prevention, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (S.B.); (M.I.-O.)
- Department of Endocrine and Breast Surgery, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Kyoko Itoh
- Department of Pathology and Applied Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (T.Y.); (K.I.)
| | - Toshiyuki Sakai
- Drug Discovery Center, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan; (M.S.); (T.S.)
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xCT Inhibition Increases Sensitivity to Vorinostat in a ROS-Dependent Manner. Cancers (Basel) 2020; 12:cancers12040827. [PMID: 32235498 PMCID: PMC7226257 DOI: 10.3390/cancers12040827] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/20/2020] [Accepted: 03/25/2020] [Indexed: 12/30/2022] Open
Abstract
As histone deacetylase inhibitors (HDACIs) have limited efficacy against solid tumors, we investigated whether and how oxidative stress is involved in sensitivity to HDACIs to develop a novel therapeutic option of HDACIs treatment. We first tested whether a reduction of the antioxidant glutathione (GSH) by glutamine deprivation affects sensitivity to a commercially available HDACI vorinostat and reactive oxygen species (ROS) accumulation. Next we investigated the relationship between a glutamate-cystine transporter xCT and the efficacy of vorinostat using siRNA of xCT and bioinformatic analyses. Finally, we verified the combinatory effects of vorinostat and the xCT inhibitor salazosulfapyridine (SASP) on ROS accumulation, cell death induction, and colony formation. Glutamine deprivation increased vorinostat-mediated cell death with ROS accumulation. Genetic ablation of xCT improved the efficacy of vorinostat, consistent with the results of public data analyses demonstrating that xCT expressions positively correlate with insensitivity to HDACIs in many types of cancer cell lines. Vorinostat caused ROS accumulation when combined with SASP, possibly resulting in synergistic ferroptosis. Our study provides a novel mechanistic insight into the mechanism underlying sensitivity to HDACIs involving xCT, suggesting xCT to be a promising predictive marker of HDACIs and rationalizing combinatory therapy of HDACIs with xCT inhibitors to induce ferroptosis.
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Otsuki Y, Yamasaki J, Suina K, Okazaki S, Koike N, Saya H, Nagano O. Vasodilator oxyfedrine inhibits aldehyde metabolism and thereby sensitizes cancer cells to xCT-targeted therapy. Cancer Sci 2019; 111:127-136. [PMID: 31692172 PMCID: PMC6942438 DOI: 10.1111/cas.14224] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 10/23/2019] [Accepted: 10/24/2019] [Indexed: 12/31/2022] Open
Abstract
The major cellular antioxidant glutathione (GSH) protects cancer cells from oxidative damage that can lead to the induction of ferroptosis, an iron‐dependent form of cell death triggered by the aberrant accumulation of lipid peroxides. Inhibitors of the cystine‐glutamate antiporter subunit xCT, which mediates the uptake of extracellular cystine and thereby promotes GSH synthesis, are thus potential anticancer agents. However, the efficacy of xCT‐targeted therapy has been found to be diminished by metabolic reprogramming that affects redox status in cancer cells. Identification of drugs for combination with xCT inhibitors that are able to overcome resistance to xCT‐targeted therapy might thus provide the basis for effective cancer treatment. We have now identified the vasodilator oxyfedrine (OXY) as a sensitizer of cancer cells to GSH‐depleting agents including the xCT inhibitor sulfasalazine (SSZ). Oxyfedrine contains a structural motif required for covalent inhibition of aldehyde dehydrogenase (ALDH) enzymes, and combined treatment with OXY and SSZ was found to induce accumulation of the cytotoxic aldehyde 4‐hydroxynonenal and cell death in SSZ‐resistant cancer cells both in vitro and in vivo. Microarray analysis of tumor xenograft tissue showed cyclooxygenase‐2 expression as a potential biomarker for the efficacy of such combination therapy. Furthermore, OXY‐mediated ALDH inhibition was found to sensitize cancer cells to GSH depletion induced by radiation therapy in vitro. Our findings thus establish a rationale for repurposing of OXY as a sensitizing drug for cancer treatment with agents that induce GSH depletion.
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Affiliation(s)
- Yuji Otsuki
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Juntaro Yamasaki
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Kentaro Suina
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Shogo Okazaki
- Division of Development and Aging, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda, Japan
| | - Naoyoshi Koike
- Department of Radiology, Keio University School of Medicine, Tokyo, Japan
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Osamu Nagano
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
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Taniguchi H, Suzuki Y, Natori Y. The Evolving Landscape of Cancer Stem Cells and Ways to Overcome Cancer Heterogeneity. Cancers (Basel) 2019; 11:cancers11040532. [PMID: 31013960 PMCID: PMC6520864 DOI: 10.3390/cancers11040532] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 04/02/2019] [Accepted: 04/04/2019] [Indexed: 12/18/2022] Open
Abstract
Cancer stem cells (CSCs) with therapeutic resistance and plasticity can be found in various types of tumors and are recognized as attractive targets for treatments. As CSCs are derived from tissue stem or progenitor cells, and/or dedifferentiated mature cells, their signal transduction pathways are critical in the regulation of CSCs; chronic inflammation causes the accumulation of genetic mutations and aberrant epigenetic changes in these cells, potentially leading to the production of CSCs. However, the nature of CSCs appears to be stronger than the treatments of the past. To improve the treatments targeting CSCs, it is important to inhibit several molecules on the signaling cascades in CSCs simultaneously, and to overcome cancer heterogeneity caused by the plasticity. To select suitable target molecules for CSCs, we have to explore the landscape of CSCs from the perspective of cancer stemness and signaling systems, based on the curated databases of cancer-related genes. We have been studying the integration of a broad range of knowledge and experiences from cancer biology, and also from other interdisciplinary basic sciences. In this review, we have introduced the concept of developing novel strategies targeting CSCs.
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Affiliation(s)
- Hiroaki Taniguchi
- The Institute of Medical Science, The University of Tokyo, 4-6-1, Shirokanedai, Minato-ku, Tokyo 108-0071, Japan.
- Clinical and Translational Research Center Keio University Hospital, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan.
| | - Yasunori Suzuki
- Clinical and Translational Research Center Keio University Hospital, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan.
| | - Yukikazu Natori
- BioThinkTank Co. Ltd. 4-10-1-E1706 Minatomirai, Nishi-ku Yokohama, Kanagawa 220-0012, Japan.
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36
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Akamine T, Tagawa T, Ijichi K, Toyokawa G, Takamori S, Hirai F, Okamoto T, Oda Y, Maehara Y. The Significance of CD44 Variant 9 in Resected Lung Adenocarcinoma: Correlation with Pathological Early-Stage and EGFR Mutation. Ann Surg Oncol 2019; 26:1544-1551. [DOI: 10.1245/s10434-018-07137-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Indexed: 01/04/2023]
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Li X, Zhao X, Abbas M, Wang L, Li C, Liu S, Feng J, Shi M. Comparative effectiveness study of single high-dose cisplatin with fractionated doses cisplatin in first-line therapy for treatment-naive Chinese patients with advanced non-small-cell lung cancer. Curr Probl Cancer 2019; 43:100466. [PMID: 30777344 DOI: 10.1016/j.currproblcancer.2019.01.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 01/29/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND Cisplatin is one of the most effective chemotherapeutic drugs for patients with advanced non-small-cell lung cancer (NSCLC). Single high-dose cisplatin is a commonly used chemotherapy regimen in the world. At present, fractionated doses cisplatin is used in most hospitals in China. Although many doctors have begun to try a single dose of cisplatin, there are still few studies on the comparison of the 2 regimens. This study describes the efficacy and side effects of cisplatin single-dose administration and fractionated doses regimen in the treatment of advanced NSCLC. METHODS A retrospective study was conducted on 219 patients with advanced NSCLC who received chemotherapy with DDP were divided into 2 groups according to the single dose of cisplatin from January 2014 to December 2017. For experimental group, 108 patients were enrolled and received DDP at a dose of 75 mg/m2 on day 1. A total of 111 patients were enrolled in the control group, and DDP was administrated at 25 mg/m2 on days 1-3. The efficacy, toxicity, and progression-free survival of the 2 groups were observed and analyzed. RESULTS In the experimental group, the numbers of patients who received PR, SD, and PD were 66, 34, and 8 respectively. In the control group, the numbers of patients who received PR, SD, and PD were 18, 77, and 16 respectively. The percentages of patients with a objective response rate response in the experimental group were significantly higher than that in the control group (61.11% vs 16.22%, P < 0.0001). The incidence of III-IV vomiting in the experimental group was lower than that in the control group (11.11% vs 26.13%). The incidence of I-II hiccups in the experimental group was higher than that in the control group (15.74% vs 10.81%). None of the patients had III-IV degree nephrotoxicity. Myelosuppression mainly manifested as leukopenia. In the experimental group, the incidence of I-II degree of leukopenia was 71.30%, and the III-IV degree was 7.41%, which was 74.77% and 11.71 respectively in the control group. A small number of patients have a decrease in mild platelets and hemoglobin. CONCLUSION For patients with advanced NSCLC who require chemotherapy with DDP regimen, the short-term effect of single-dose administration of DDP is better than that of fractional small-dose administration. Toxicity can be tolerated and it is worth promoting clinically.
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Affiliation(s)
- Xiaoyou Li
- Department of Medical Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, PR China
| | - Xia Zhao
- Department of Medical Oncology, First People's Hospital of Yancheng, Fourth Affiliated Hospital of Nantong University, Yancheng, PR China
| | - Muhammad Abbas
- Department of Medical Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, PR China; Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, PR China; State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, PR China
| | - Li Wang
- Department of Medical Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, PR China
| | - Chenchen Li
- Department of Medical Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, PR China
| | - Siwen Liu
- Department of Medical Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, PR China
| | - Jifeng Feng
- Department of Medical Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, PR China.
| | - Meiqi Shi
- Department of Medical Oncology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, PR China.
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Taniguchi D, Saeki H, Nakashima Y, Kudou K, Nakanishi R, Kubo N, Ando K, Oki E, Oda Y, Maehara Y. CD44v9 is associated with epithelial-mesenchymal transition and poor outcomes in esophageal squamous cell carcinoma. Cancer Med 2018; 7:6258-6268. [PMID: 30474922 PMCID: PMC6308082 DOI: 10.1002/cam4.1874] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 07/05/2018] [Accepted: 10/24/2018] [Indexed: 12/27/2022] Open
Abstract
CD44 serves as a marker of cancer stem cells. Alternative splicing generates the CD44v9 isoform. Cancer stem cells are associated with the epithelial-mesenchymal transition in cancers, although little is known about their role in esophageal squamous cell carcinoma. Here, we aimed to clarify the relationship between CD44v9 expression, the epithelial-mesenchymal transition, and clinicopathological features of patients with esophageal squamous cell carcinoma. CD44v9 levels were higher at the tumor invasive front compared with the center of the tumor and higher in metastatic lymph nodes compared with primary tumors. High levels of CD44v9 at the tumor invasive front were significantly associated with deeper tumor invasion and shorter overall survival and recurrence-free survival. The expression of CD44v9 was increased by treatment with transforming growth factor-β, which induced esophageal squamous cell carcinoma cells to undergo the epithelial-mesenchymal transition. Moreover, inhibition of CD44v9 expression decreased the migration and invasiveness of esophageal squamous cell carcinoma cells. These results indicate that the expression of CD44v9 at the tumor invasive front induced by stemness was strongly associated with the epithelial-mesenchymal transition and poor prognosis of patients with esophageal squamous cell carcinoma. CD44v9 may therefore serve as a novel prognostic biomarker and a potential therapeutic target for esophageal squamous cell carcinoma.
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Affiliation(s)
- Daisuke Taniguchi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hiroshi Saeki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuichiro Nakashima
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kensuke Kudou
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Ryota Nakanishi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Nobuhide Kubo
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Koji Ando
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Eiji Oki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Pathological Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshihiko Maehara
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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CD44v-dependent upregulation of xCT is involved in the acquisition of cisplatin-resistance in human lung cancer A549 cells. Biochem Biophys Res Commun 2018; 507:426-432. [PMID: 30448176 DOI: 10.1016/j.bbrc.2018.11.055] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 11/09/2018] [Indexed: 12/31/2022]
Abstract
Cisplatin (CDDP) is widely used as an anti-cancer platinum agent but its therapeutic efficacy is limited by acquired drug resistance. To develop a new therapeutic strategy that could overcome this resistance, it is important to characterize CDDP-resistant cancer cells. Here we established human lung cancer A549 cell-derived low- and high-grade CDDP-resistant sublines, termed ACR4 and ACR20 cells, by stepwise increasing CDDP concentrations up to 4 and 20 μM, respectively. ACR4 and ACR20 cells showed 6- and 16-fold higher resistance to CDDP than A549 cells, respectively. Cell migration, invasion, and sphere formation were significantly decreased, whereas expression of the stem cell marker CD44v was increased in order of A549, ACR4, and ACR20 cells. The expression of the cystine-glutamate transporter xCT, which is encoded by SLC7A11, was upregulated because of the increased cell surface expression of CD44v in ACR20 cells. Treatment with the xCT inhibitor salazosulfapyridine and knockdown of SLC7A11 mRNA by a specific siRNA significantly improved sensitivity to CDDP in A549, ACR4, and ACR20 cells. Thus, our results suggest that CD44v overexpression is not involved in cancer stem cell properties but increases xCT expression, which leads to the acquisition of CDDP-resistance. This mechanism may contribute to the development of a new therapeutic strategy that can overcome resistance.
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40
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Suematsu M. Can drug repurposing stop "chase and run" between aldehydes and reactive sulfur species in anti-cancer therapy? Oncotarget 2018; 9:34453-34454. [PMID: 30349638 PMCID: PMC6195386 DOI: 10.18632/oncotarget.26170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 09/17/2018] [Indexed: 11/25/2022] Open
Affiliation(s)
- Makoto Suematsu
- Makoto Suematsu: Department of Biochemistry, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
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41
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Lee YH. Storage and use of cord blood. JOURNAL OF THE KOREAN MEDICAL ASSOCIATION 2018. [DOI: 10.5124/jkma.2018.61.9.557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Young-Ho Lee
- Department of Pediatrics, Hanyang University College of Medicine, Seoul, Korea
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42
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Kawano Y, Iwama E, Tsuchihashi K, Shibahara D, Harada T, Tanaka K, Nagano O, Saya H, Nakanishi Y, Okamoto I. CD44 variant-dependent regulation of redox balance in EGFR mutation-positive non-small cell lung cancer: A target for treatment. Lung Cancer 2017; 113:72-78. [PMID: 29110853 DOI: 10.1016/j.lungcan.2017.09.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 08/23/2017] [Accepted: 09/14/2017] [Indexed: 01/12/2023]
Abstract
OBJECTIVES The regulation of redox balance in cancer cells is an important factor in tumor development and chemoresistance, with oncogene activation having been shown to induce the generation of reactive oxygen species (ROS). Activating mutations of the epidermal growth factor receptor gene (EGFR) are oncogenic drivers in non-small cell lung cancer (NSCLC), but it has remained unknown whether ligand-independent EGFR signaling conferred by EGFR mutation triggers ROS generation in NSCLC cells. MATERIALS AND METHODS HEK293T cells were transfected with an expression vector for mutant EGFR. The expression of CD44 variant (CD44v) isoforms in NSCLC cell lines was evaluated by flow cytometry. Cells were depleted of CD44v by RNA interference and assayed for ROS and glutathione (GSH) levels. The effect of CD44v on cisplatin sensitivity was evaluated in vitro with the MTS assay. RESULTS EGFR signaling due to EGFR mutation increased ROS levels in transfected HEK293T cells. The expression of CD44v isoforms was found to be inversely correlated with basal ROS levels in EGFR mutation-positive NSCLC cell lines. Knockdown of CD44v induced depletion of intracellular GSH and increased ROS levels in EGFR-mutated NSCLC cells that express CD44v at a high level (CD44vhigh). In addition, depletion of GSH by treatment with buthionine-[S, R]-sulfoximine induced marked accumulation of ROS and enhanced the cytotoxicity of cisplatin in CD44vhighEGFR-mutated NSCLC cells but not in corresponding CD44vlow cells. This enhancement of cisplatin cytotoxicity by GSH depletion was prevented by treatment with the antioxidant N-acetyl-l-cysteine. Knockdown of CD44v also enhanced cisplatin cytotoxicity in CD44vhighEGFR mutation-positive NSCLC cells but not in CD44vlow cells. CONCLUSION Our results thus implicate CD44v in redox adaptation and as a potential target for treatment in CD44vhighEGFR-mutated NSCLC cells.
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Affiliation(s)
- Yuko Kawano
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Eiji Iwama
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Kenji Tsuchihashi
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Daisuke Shibahara
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Taishi Harada
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Kentaro Tanaka
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Osamu Nagano
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, 35 Shinano-machi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, 35 Shinano-machi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Yoichi Nakanishi
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Isamu Okamoto
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
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Otsubo K, Nosaki K, Imamura CK, Ogata H, Fujita A, Sakata S, Hirai F, Toyokawa G, Iwama E, Harada T, Seto T, Takenoyama M, Ozeki T, Mushiroda T, Inada M, Kishimoto J, Tsuchihashi K, Suina K, Nagano O, Saya H, Nakanishi Y, Okamoto I. Phase I study of salazosulfapyridine in combination with cisplatin and pemetrexed for advanced non-small-cell lung cancer. Cancer Sci 2017; 108:1843-1849. [PMID: 28667792 PMCID: PMC5581516 DOI: 10.1111/cas.13309] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 06/20/2017] [Accepted: 06/27/2017] [Indexed: 12/23/2022] Open
Abstract
Spliced variant isoforms of CD44 (CD44v) are a marker of cancer stem cells in solid tumors. They stabilize the xCT subunit of the transporter system xc(–) and thereby promote synthesis of the antioxidant glutathione. Salazosulfapyridine (SASP) is an inhibitor of xCT and suppresses the proliferation of CD44v‐positive cancer cells. Chemotherapy‐naïve patients with advanced non‐squamous non‐small‐cell lung cancer were enrolled in a dose‐escalation study (standard 3 + 3 design) of SASP in combination with cisplatin and pemetrexed. The primary end‐point was the percentage of patients who experience dose‐limiting toxicity. Fifteen patients were enrolled in the study. Dose‐limiting toxicity was observed in one of six patients at a SASP dose of 1.5 g/day (elevation of aspartate and alanine aminotransferase levels, each of grade 3), two of five patients at 3 g/day (hypotension or pneumonitis, each of grade 3), and two of three patients at 4.5 g/day (anorexia of grade 3). The maximum tolerated dose was thus 3 g/day, and the recommended dose was 1.5 g/day. The overall response rate was 26.7% and median progression‐free survival was 11.7 months, much longer than that for cisplatin–pemetrexed alone in previous studies. Exposure to SASP varied markedly among individuals according to ABCG2 and NAT2 genotypes. The serum concentration of free CD44v protein was increased after the first cycle of treatment, possibly reflecting death of cancer stem cells. Salazosulfapyridine was thus given safely in combination with cisplatin–pemetrexed, with the addition of SASP tending to prolong progression‐free survival. This trial is registered in the UMIN Clinical Trials Registry as UMIN000017854.
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Affiliation(s)
- Kohei Otsubo
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kaname Nosaki
- Department of Thoracic Oncology, National Kyushu Cancer Center, Fukuoka, Japan
| | - Chiyo K Imamura
- Department of Clinical Pharmacokinetics and Pharmacodynamics, Keio University School of Medicine, Tokyo, Japan
| | - Hiroaki Ogata
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Akitaka Fujita
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shinya Sakata
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Fumihiko Hirai
- Department of Thoracic Oncology, National Kyushu Cancer Center, Fukuoka, Japan
| | - Gouji Toyokawa
- Department of Thoracic Oncology, National Kyushu Cancer Center, Fukuoka, Japan
| | - Eiji Iwama
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Taishi Harada
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Takashi Seto
- Department of Thoracic Oncology, National Kyushu Cancer Center, Fukuoka, Japan
| | | | - Takeshi Ozeki
- Laboratory for Pharmacogenomics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Taisei Mushiroda
- Laboratory for Pharmacogenomics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Mieko Inada
- Center for Clinical and Translational Research, Kyushu University Hospital, Fukuoka, Japan
| | - Junji Kishimoto
- Center for Clinical and Translational Research, Kyushu University Hospital, Fukuoka, Japan
| | - Kenji Tsuchihashi
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Kentaro Suina
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Osamu Nagano
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Yoichi Nakanishi
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Center for Clinical and Translational Research, Kyushu University Hospital, Fukuoka, Japan
| | - Isamu Okamoto
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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