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Icard P, Loi M, Wu Z, Ginguay A, Lincet H, Robin E, Coquerel A, Berzan D, Fournel L, Alifano M. Metabolic Strategies for Inhibiting Cancer Development. Adv Nutr 2021; 12:1461-1480. [PMID: 33530098 PMCID: PMC8321873 DOI: 10.1093/advances/nmaa174] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 08/14/2020] [Accepted: 12/14/2020] [Indexed: 12/11/2022] Open
Abstract
The tumor microenvironment is a complex mix of cancerous and noncancerous cells (especially immune cells and fibroblasts) with distinct metabolisms. These cells interact with each other and are influenced by the metabolic disorders of the host. In this review, we discuss how metabolic pathways that sustain biosynthesis in cancer cells could be targeted to increase the effectiveness of cancer therapies by limiting the nutrient uptake of the cell, inactivating metabolic enzymes (key regulatory ones or those linked to cell cycle progression), and inhibiting ATP production to induce cell death. Furthermore, we describe how the microenvironment could be targeted to activate the immune response by redirecting nutrients toward cytotoxic immune cells or inhibiting the release of waste products by cancer cells that stimulate immunosuppressive cells. We also examine metabolic disorders in the host that could be targeted to inhibit cancer development. To create future personalized therapies for targeting each cancer tumor, novel techniques must be developed, such as new tracers for positron emission tomography/computed tomography scan and immunohistochemical markers to characterize the metabolic phenotype of cancer cells and their microenvironment. Pending personalized strategies that specifically target all metabolic components of cancer development in a patient, simple metabolic interventions could be tested in clinical trials in combination with standard cancer therapies, such as short cycles of fasting or the administration of sodium citrate or weakly toxic compounds (such as curcumin, metformin, lipoic acid) that target autophagy and biosynthetic or signaling pathways.
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Affiliation(s)
- Philippe Icard
- Université Caen Normandie, Medical School, CHU de Caen, Caen, France
- Normandie Université, UNICAEN, INSERM U1086, Interdisciplinary Research Unit for Cancer Prevention and Treatment, Centre de Lutte Contre le Cancer Centre François Baclesse, Caen, France
- Service de Chirurgie Thoracique, Hôpital Cochin, Hôpitaux Universitaires Paris Centre, AP-HP, Paris-Descartes University, Paris, France
| | - Mauro Loi
- Radiotherapy Department, Humanitas Cancer Center, Rozzano, Milan, Italy
| | - Zherui Wu
- School of Medicine, Shenzhen University, Shenzhen, Guangdong, China
- INSERM UMR-S 1124, Cellular Homeostasis and Cancer, Paris-Descartes University, Paris, France
| | - Antonin Ginguay
- Service de Biochimie, Hôpital Cochin, Hôpitaux Universitaires Paris-Centre, AP-HP, Paris, France
- EA4466 Laboratoire de Biologie de la Nutrition, Faculté de Pharmacie de Paris, Université Paris-Descartes, Sorbonne Paris Cité, Paris, France
| | - Hubert Lincet
- INSERM U1052, CNRS UMR5286, Cancer Research Center of Lyon (CRCL), France
- ISPB, Faculté de Pharmacie, Université Lyon 1, Lyon, France
| | - Edouard Robin
- Service de Chirurgie Thoracique, Hôpital Cochin, Hôpitaux Universitaires Paris Centre, AP-HP, Paris-Descartes University, Paris, France
| | - Antoine Coquerel
- INSERM U1075, Comete “Mobilités: Attention, Orientation, Chronobiologie”, Université Caen, Caen, France
| | - Diana Berzan
- Service de Chirurgie Thoracique, Hôpital Cochin, Hôpitaux Universitaires Paris Centre, AP-HP, Paris-Descartes University, Paris, France
| | - Ludovic Fournel
- Service de Chirurgie Thoracique, Hôpital Cochin, Hôpitaux Universitaires Paris Centre, AP-HP, Paris-Descartes University, Paris, France
- INSERM UMR-S 1124, Cellular Homeostasis and Cancer, Paris-Descartes University, Paris, France
| | - Marco Alifano
- Service de Chirurgie Thoracique, Hôpital Cochin, Hôpitaux Universitaires Paris Centre, AP-HP, Paris-Descartes University, Paris, France
- INSERM U1138, Integrative Cancer Immunology, Paris, France
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Multifaceted Aspects of Metabolic Plasticity in Human Cholangiocarcinoma: An Overview of Current Perspectives. Cells 2020; 9:cells9030596. [PMID: 32138158 PMCID: PMC7140515 DOI: 10.3390/cells9030596] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/24/2020] [Accepted: 02/26/2020] [Indexed: 12/14/2022] Open
Abstract
Cholangiocarcinoma (CCA) is a deadly tumor without an effective therapy. Unique metabolic and bioenergetics features are important hallmarks of tumor cells. Metabolic plasticity allows cancer cells to survive in poor nutrient environments and maximize cell growth by sustaining survival, proliferation, and metastasis. In recent years, an increasing number of studies have shown that specific signaling networks contribute to malignant tumor onset by reprogramming metabolic traits. Several evidences demonstrate that numerous metabolic mediators represent key-players of CCA progression by regulating many signaling pathways. Besides the well-known Warburg effect, several other different pathways involving carbohydrates, proteins, lipids, and nucleic acids metabolism are altered in CCA. The goal of this review is to highlight the main metabolic processes involved in the cholangio-carcinogeneis that might be considered as potential novel druggable candidates for this disease.
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Wu CE, Chen MH, Yeh CN. mTOR Inhibitors in Advanced Biliary Tract Cancers. Int J Mol Sci 2019; 20:E500. [PMID: 30682771 PMCID: PMC6386826 DOI: 10.3390/ijms20030500] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Revised: 01/19/2019] [Accepted: 01/22/2019] [Indexed: 12/19/2022] Open
Abstract
Patients with advanced biliary tract cancers (BTCs), including cholangiocarcinoma (CCA), have poor prognosis so novel treatment is warranted for advanced BTC. In current review, we discuss the limitations of current treatment in BTC, the importance of mTOR signalling in BTC, and the possible role of mTOR inhibitors as a future treatment in BTC. Chemotherapy with gemcitabine-based chemotherapy is still the standard of care and no targeted therapy has been established in advanced BTC. PI3K/AKT/mTOR signaling pathway linking to several other pathways and networks regulates cancer proliferation and progression. Emerging evidences reveal mTOR activation is associated with tumorigenesis and drug-resistance in BTC. Rapalogs, such as sirolimus and everolimus, partially inhibit mTOR complex 1 (mTORC1) and exhibit anti-cancer activity in vitro and in vivo in BTC. Rapalogs in clinical trials demonstrate some activity in patients with advanced BTC. New-generation mTOR inhibitors against ATP-binding pocket inhibit both TORC1 and TORC2 and demonstrate more potent anti-tumor effects in vitro and in vivo, however, prospective clinical trials are warranted to prove its efficacy in patients with advanced BTC.
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Affiliation(s)
- Chao-En Wu
- Division of Hematology-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital, Linkou branch, Chang Gung University, Taoyuan 333, Taiwan.
| | - Ming-Huang Chen
- School of Medicine, National Yang-Ming University, Taipei 112, Taiwan.
- Department of Oncology, Taipei Veterans General Hospital, Taipei 112, Taiwan.
| | - Chun-Nan Yeh
- Department of General Surgery and Liver Research Center, Chang Gung Memorial Hospital, Linkou branch, Chang Gung University, Taoyuan 333, Taiwan.
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Targeting the PI3K/AKT/mTOR pathway in biliary tract cancers: A review of current evidences and future perspectives. Cancer Treat Rev 2018; 72:45-55. [PMID: 30476750 DOI: 10.1016/j.ctrv.2018.11.001] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 11/07/2018] [Accepted: 11/08/2018] [Indexed: 02/07/2023]
Abstract
Biliary tract cancers (BTCs) are a group of invasive neoplasms, with increasing incidence and dismal prognosis. In advanced disease, the standard of care is represented by first-line chemotherapy with cisplatin and gemcitabine. In subsequent lines, no clear recommendations are currently available, highlighting the need for novel therapeutic approaches. The PI3K/AKT/mTOR pathway is a core regulator of cell metabolism, growth and survival, and is involved in BTCs carcinogenesis and progression. Mutations, gene copy number alterations and aberrant protein phosphorylation of PI3K, AKT, mTOR and PTEN have been thoroughly described in BTCs and correlate with poor survival outcomes. Several pre-clinical evidences state the efficacy of PI3K/AKT/mTOR pathway inhibitors in BTCs, both in vitro and in vivo. In the clinical setting, initial studies with rapamycin analogs have shown interesting activity with an acceptable toxicity profile. Novel strategies evaluating AKT and PI3K inhibitors have risen serious safety concerns, pointing out the need for improved patient selection and increased target specificity for the clinical development of these agents, both alone and in combination with chemotherapy. This review extensively describes the role of the PI3K/AKT/mTOR pathway in BTCs and examines the rationale of its targeting in these tumors, with particular focus on clinical activity, toxicities and perspectives on further development of PI3K/AKT/mTOR pathway inhibitors.
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Liu R, Tang W, Han X, Geng R, Wang C, Zhang Z. Hepatocyte growth factor-induced mesenchymal-epithelial transition factor activation leads to insulin-like growth factor 1 receptor inhibitor unresponsiveness in gastric cancer cells. Oncol Lett 2018; 16:5983-5991. [PMID: 30333869 PMCID: PMC6176415 DOI: 10.3892/ol.2018.9414] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 08/31/2018] [Indexed: 01/09/2023] Open
Abstract
Insulin-like growth factor 1 receptor (IGF-1R) inhibitors have been developed as potential therapeutics for cancer treatment; however, the phase III trials have not produced promising overall survival rates. Therefore, understanding the mechanism underlying intrinsic resistance to IGF-1R-targeted agents is urgently required. A number of studies have revealed that activation of alternative receptor tyrosine kinases can mediate resistance to IGF-1R-targeted therapy. The present study investigated whether activated mesenchymal-epithelial transition factor (MET; also known as c-Met and hepatocyte growth factor receptor) confers resistance to an IGF-1R inhibitor (NVP-AEW541) of gastric cancer (GC) cells. NCI-N87 and MGC-803 cells were treated with varying concentrations and combinations of NVP-AEW541, hepatocyte growth factor (HGF) and MET small interfering (si)-RNA or crizotinib (a MET inhibitor). The effects of these agents on cell proliferation and pro-apoptotic events were assessed by Cell Counting Kit-8 assays and flow cytometry. Receptor activation and the downstream signaling pathway were examined using western blot analysis. Expression and/or activation of MET and IGF-1R in 156 GC specimens were evaluated by immunohistochemistry. The results demonstrated that NVP-AEW541 inhibited cell growth, with dephosphorylation of IGF-1R and protein kinase B (AKT), in NCI-N87 and MGC-803 cells. Application of HGF activated MET and the downstream AKT signaling pathways, decreased apoptotic events and restored cell proliferation, which were reversed by MET inhibition via crizotinib or siRNA knockdown. Furthermore, combination therapy of NVP-AEW541 and crizotinib exhibited an enhanced effectiveness in vitro. In addition, >40% of IGF-1R overexpressed GC specimens showed MET expression and activation. In conclusion, HGF-induced MET activation may represent a novel mechanism conferring unresponsiveness to IGF-1R-targeted agents in GC, and inhibition of MET may improve the efficacy of IGF-1R inhibitors.
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Affiliation(s)
- Rujiao Liu
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China
| | - Wenbo Tang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China
| | - Xiaotian Han
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China
| | - Ruixuan Geng
- International Medical Services, Peking Union Medical College Hospital, Beijing 100000, P.R. China
| | - Chenchen Wang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China
| | - Zhe Zhang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China
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Schaffrath J, Schmoll HJ, Voigt W, Müller LP, Müller-Tidow C, Mueller T. Efficacy of targeted drugs in germ cell cancer cell lines with differential cisplatin sensitivity. PLoS One 2017; 12:e0178930. [PMID: 28591197 PMCID: PMC5462387 DOI: 10.1371/journal.pone.0178930] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 05/22/2017] [Indexed: 12/25/2022] Open
Abstract
Testicular germ cell tumors (TGCTs) are the most common malignancies in men between the age of 15 and 35. Although cisplatin-based chemotherapy is highly effective in advanced disease, approximately 20% of patients have an unfavorable prognosis due to primary or acquired cisplatin resistance. For these patients, new therapeutic options are urgently needed. In numerous tumor entities, combinations of monoclonal antibodies or kinase inhibitors with chemotherapy exerted promising preclinical or clinical results, which have led to new treatment concepts. This prompted us to investigate the activity of different targeted agents alone or in combination with cisplatin in a panel of TGCT cell lines.
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Affiliation(s)
- Judith Schaffrath
- Department of Internal Medicine IV, Oncology/Hematology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Hans-Joachim Schmoll
- Workgroup Clinical Studies in Oncology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Wieland Voigt
- Medical Innovations and Management, Innovation in Oncology, Steinbeis University, Berlin, Germany
| | - Lutz P. Müller
- Department of Internal Medicine IV, Oncology/Hematology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Carsten Müller-Tidow
- Department of Internal Medicine V, Hematology, Oncology and Rheumatology, Heidelberg University Hospital, Heidelberg, Germany
| | - Thomas Mueller
- Department of Internal Medicine IV, Oncology/Hematology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
- * E-mail:
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Myers AL, Lin L, Nancarrow DJ, Wang Z, Ferrer-Torres D, Thomas DG, Orringer MB, Lin J, Reddy RM, Beer DG, Chang AC. IGFBP2 modulates the chemoresistant phenotype in esophageal adenocarcinoma. Oncotarget 2016; 6:25897-916. [PMID: 26317790 PMCID: PMC4694874 DOI: 10.18632/oncotarget.4532] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2015] [Accepted: 07/06/2015] [Indexed: 12/21/2022] Open
Abstract
Esophageal adenocarcinoma (EAC) patients commonly present with advanced stage disease and demonstrate resistance to therapy, with response rates below 40%. Understanding the molecular mechanisms of resistance is crucial for improvement of clinical outcomes. IGFBP2 is a member of the IGFBP family of proteins that has been reported to modulate both IGF and integrin signaling and is a mediator of cell growth, invasion and resistance in other tumor types. In this study, high IGFBP2 expression was observed in a subset of primary EACs and was found to be significantly higher in patients with shorter disease-free intervals as well as in treatment-resistant EACs as compared to chemonaive EACs. Modulation of IGFBP2 expression in EAC cell lines promoted cell proliferation, migration and invasion, implicating a role in the metastatic potential of these cells. Additionally, knockdown of IGFBP2 sensitized EAC cells to cisplatin in a serum-dependent manner. Further in vitro exploration into this chemosensitization implicated both the AKT and ERK pathways. Silencing of IGFBP2 enhanced IGF1-induced immediate activation of AKT and reduced cisplatin-induced ERK activation. Addition of MEK1/2 (selumetinib or trametinib) or AKT (AKT Inhibitor VIII) inhibitors enhanced siIGFBP2-induced sensitization of EAC cells to cisplatin. These results suggest that targeted inhibition of IGFBP2 alone or together with either the MAPK or PI3K/AKT signaling pathway in IGFBP2-overexpressing EAC tumors may be an effective approach for sensitizing resistant EACs to standard neoadjuvant chemotherapy.
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Affiliation(s)
- Amy L Myers
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Lin Lin
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | | | - Zhuwen Wang
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | | | - Dafydd G Thomas
- Department of Pathology, University of Michigan, Ann Arbor, MI, USA
| | - Mark B Orringer
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Jules Lin
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | | | - David G Beer
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Andrew C Chang
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
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Suleiman Y, Mahipal A, Shibata D, Siegel EM, Jump H, Fulp WJ, Springett GM, Kim R. Phase I study of combination of pasireotide LAR + gemcitabine in locally advanced or metastatic pancreatic cancer. Cancer Chemother Pharmacol 2015; 76:481-7. [PMID: 26126727 DOI: 10.1007/s00280-015-2814-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Accepted: 06/18/2015] [Indexed: 12/23/2022]
Abstract
PURPOSE Pasireotide LAR (SOM230 LAR) is a cyclohexapeptide engineered to bind to multiple somatostatin receptor subtypes to mimic the action of naturally occurring somatostatin with higher affinity to these receptors than octreotide and is a potent inhibitor of insulin-like growth factor-1 (IGF-1). Somatostatin receptors and IGF receptors are highly expressed in pancreatic cancer, thereby potentially making it a valuable target. This phase I study evaluated safety, tolerability and preliminary tumor response of pasireotide LAR in combination with gemcitabine in locally advanced or metastatic pancreatic cancer. METHODS Patients with previously untreated metastatic pancreatic cancer were included. A 3 + 3 dose-escalation design was used. Patients received gemcitabine on days 1, 8 and 15 and pasireotide LAR IM monthly in a 28-day cycle. Two dose levels of pasireotide LAR were planned: 40 mg IM and 60 mg. Cohort was expanded by ten more patients at the highest tested dose to further assess the safety and efficacy. RESULTS Twenty patients were consented on this trial, and 16 patients were evaluable for safety and efficacy. No dose-limiting toxicities were observed. Two out sixteen patients (12%) had partial response, and nine of sixteen (56%) had stable disease as best response. Median progression-free survival was 4.1 months (range 1-16 months), and median overall survival was 6.9 months (range 1-25 months). Most common grade 3 or 4 toxicities were hyperglycemia (n = 5), hyperbilirubinemia (n = 1) and thrombocytopenia (n = 2). Median baseline IGF-1 level was lower in patients with stable disease than in those with progressive disease (63 vs 71 ng/ml). CONCLUSION Pasireotide in combination with gemcitabine was well tolerated with disease control rate of 68%. Larger trials are needed in the future to establish its efficacy in the treatment of pancreatic cancer. CLINICAL TRIAL NCT01385956.
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Affiliation(s)
- Yaman Suleiman
- Department of Gastrointestinal Oncology, H. Lee Moffitt Cancer Center and Research Institute, 12902 USF Magnolia Dr, Tampa, FL, 33612, USA
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Brahmkhatri VP, Prasanna C, Atreya HS. Insulin-like growth factor system in cancer: novel targeted therapies. BIOMED RESEARCH INTERNATIONAL 2015; 2015:538019. [PMID: 25866791 PMCID: PMC4383470 DOI: 10.1155/2015/538019] [Citation(s) in RCA: 171] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Revised: 10/13/2014] [Accepted: 10/20/2014] [Indexed: 12/15/2022]
Abstract
Insulin-like growth factors (IGFs) are essential for growth and survival that suppress apoptosis and promote cell cycle progression, angiogenesis, and metastatic activities in various cancers. The IGFs actions are mediated through the IGF-1 receptor that is involved in cell transformation induced by tumour. These effects depend on the bioavailability of IGFs, which is regulated by IGF binding proteins (IGFBPs). We describe here the role of the IGF system in cancer, proposing new strategies targeting this system. We have attempted to expand the general viewpoint on IGF-1R, its inhibitors, potential limitations of IGF-1R, antibodies and tyrosine kinase inhibitors, and IGFBP actions. This review discusses the emerging view that blocking IGF via IGFBP is a better option than blocking IGF receptors. This can lead to the development of novel cancer therapies.
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Affiliation(s)
| | - Chinmayi Prasanna
- NMR Research Centre, Indian Institute of Science, Bangalore 560012, India
| | - Hanudatta S. Atreya
- NMR Research Centre, Indian Institute of Science, Bangalore 560012, India
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India
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Yang C, Xu M, Shen HJ, Zhu HY, Li F, He M, Chen T, Wang J, Shi WJ, Ji F. Potential biomarkers for sensitivity of gallbladder cancer cells to gemcitabine. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2014; 7:521-528. [PMID: 24551272 PMCID: PMC3925896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/02/2014] [Accepted: 01/08/2014] [Indexed: 06/03/2023]
Abstract
Gemcitabine (Gem)-based chemotherapies are the main therapeutic regimens for patients with unresectable advanced or metastatic gallbladder cancer (GBC). However, the modest ORR and mild benefit on survival demonstrates the need for finding biomarkers for sensitivity to Gem and hence improving the therapy. In present work, two GBC cell lines with vast difference in sensitivity to Gem were subjected to DNA microarray analysis. Dramatic expression difference was found in protein kinase A signaling, P2Y purigenic receptor signaling, ErbB signaling and p70S6K signaling. Predicted low expression of KRAS and inactivation of AKT/ERK signaling in Gem-resistant GBC cells was validated by quantitative PCR and immunoblotting, respectively. However, p70S6K, p38MAPK and NF-κB signaling was probably activated in Gem-resistant GBC cells, which deserves further investigation in more GBC cell lines and tissues. Our work provides potential pathway signatures for Gem sensitivity of GBC patients.
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Affiliation(s)
- Chao Yang
- Department of Biliary-Pancreatic Surgery, Renji Hospital Affiliated to The School of Medicine, Shanghai Jiaotong University Shanghai, 200127, China
| | - Ming Xu
- Department of Biliary-Pancreatic Surgery, Renji Hospital Affiliated to The School of Medicine, Shanghai Jiaotong University Shanghai, 200127, China
| | - Huo-Jian Shen
- Department of Biliary-Pancreatic Surgery, Renji Hospital Affiliated to The School of Medicine, Shanghai Jiaotong University Shanghai, 200127, China
| | - Hong-Yi Zhu
- Department of Biliary-Pancreatic Surgery, Renji Hospital Affiliated to The School of Medicine, Shanghai Jiaotong University Shanghai, 200127, China
| | - Fu Li
- Department of Biliary-Pancreatic Surgery, Renji Hospital Affiliated to The School of Medicine, Shanghai Jiaotong University Shanghai, 200127, China
| | - Min He
- Department of Biliary-Pancreatic Surgery, Renji Hospital Affiliated to The School of Medicine, Shanghai Jiaotong University Shanghai, 200127, China
| | - Tao Chen
- Department of Biliary-Pancreatic Surgery, Renji Hospital Affiliated to The School of Medicine, Shanghai Jiaotong University Shanghai, 200127, China
| | - Jian Wang
- Department of Biliary-Pancreatic Surgery, Renji Hospital Affiliated to The School of Medicine, Shanghai Jiaotong University Shanghai, 200127, China
| | - Wei-Jin Shi
- Department of Biliary-Pancreatic Surgery, Renji Hospital Affiliated to The School of Medicine, Shanghai Jiaotong University Shanghai, 200127, China
| | - Fu Ji
- Department of Biliary-Pancreatic Surgery, Renji Hospital Affiliated to The School of Medicine, Shanghai Jiaotong University Shanghai, 200127, China
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Singh P, Alex JM, Bast F. Insulin receptor (IR) and insulin-like growth factor receptor 1 (IGF-1R) signaling systems: novel treatment strategies for cancer. Med Oncol 2013; 31:805. [PMID: 24338270 DOI: 10.1007/s12032-013-0805-3] [Citation(s) in RCA: 139] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Accepted: 12/04/2013] [Indexed: 02/07/2023]
Abstract
Insulin and insulin-like growth factor (IGF) signaling system, commonly known for fine-tuning numerous biological processes, has lately made its mark as a much sought-after therapeutic targets for diabetes and cancer. These receptors make an attractive anticancer target owing to their overexpression in variety of cancer especially in prostate and breast cancer. Inhibitors of IGF signaling were subjected to clinical cancer trials with the main objective to confirm the effectiveness of these receptors as a therapeutic target. However, the results that these trials produced proved to be disappointing as the role played by the cross talk between IGF and insulin receptor (IR) signaling pathways at the receptor level or at downstream signaling level became more lucid. Therapeutic strategy for IGF-1R and IR inhibition mainly encompasses three main approaches namely receptor blockade with monoclonal antibodies, tyrosine kinase inhibition (ATP antagonist and non-ATP antagonist), and ligand neutralization via monoclonal antibodies targeted to ligand or recombinant IGF-binding proteins. Other drug-discovery approaches are employed to target IGF-1R, and IR includes antisense oligonucleotides and recombinant IGF-binding proteins. However, therapies with monoclonal antibodies and tyrosine kinase inhibition targeting the IGF-1R are not evidenced to be satisfactory as expected. Factors that are duly held responsible for the unsuccessfulness of these therapies include (a) the existence of the IR isoform A overexpressed on a variety of cancers, enhancing the mitogenic signals to the nucleus leading to the endorsement of cell growth, (b) IGF-1R and IR that form hybrid receptors sensitive to the stimulation of all three IGF axis ligands, and (c) IGF-1R and IR that also have the potential to form hybrid receptors with other tyrosine kinase to potentiate the cellular transformation, tumorigenesis, and tumor vascularization. This mini review is a concerted effort to explore and fathom the well-recognized roles of the IRA signaling system in human cancer phenotype and the main strategies that have been so far evaluated to target the IR and IGF-1R.
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Affiliation(s)
- Pushpendra Singh
- Centre for Biosciences, School of Basic and Applied Science, Central University of Punjab, Bathinda, 151001, Punjab, India
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Pezuk JA, Brassesco MS, Morales AG, de Oliveira JC, de Paula Queiroz RG, Machado HR, Carlotti CG, Neder L, Scrideli CA, Tone LG. Polo-like kinase 1 inhibition causes decreased proliferation by cell cycle arrest, leading to cell death in glioblastoma. Cancer Gene Ther 2013; 20:499-506. [PMID: 23887645 DOI: 10.1038/cgt.2013.46] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Accepted: 05/19/2013] [Indexed: 02/02/2023]
Abstract
Glioblastoma (GBM) is one of the most aggressive central nervous system tumors with a patient's median survival of <1 year. Polo-like kinases (PLKs) are a family of serine/threonine kinases that have key roles in cell cycle control and DNA-damage response. We evaluated PLK1, 2, 3 and 4 gene expression in 8 GBM cell lines and 17 tumor samples, and analyzed the effect of the PLK1 inhibition on SF188 and T98G GBM cell lines and 13 primary cultures. Our data showed PLK1 overexpression and a variable altered expression of PLK2, 3 and 4 genes in GBM tumor samples and cell lines. Treatments with nanomolar concentrations of BI 2536, BI 6727, GW843682X or GSK461364 caused a significant decrease in GBM cells proliferation. Colony formation was also found to be inhibited (P<0.05), whereas apoptosis rate and mitotic index were significantly increased (P<0.05) after PLK1 inhibition in both GBM cell lines. Cell cycle analysis showed an arrest at G2 (P<0.05) and cell invasion was also decreased after PLK1 inhibition. Furthermore, simultaneous combinations of BI 2536 and temozolomide produced synergistic effects for both the cell lines after 48 h of treatment. Our findings suggest that PLK1 might be a promising target for the treatment of GBMs.
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Affiliation(s)
- J A Pezuk
- Department of Genetics, Faculty of Medicine of Ribeirão Preto, University of São Paulo
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Brassesco MS, Pezuk JA, Morales AG, de Oliveira JC, Roberto GM, da Silva GN, Francisco de Oliveira H, Scrideli CA, Tone LG. In vitro targeting of Polo-like kinase 1 in bladder carcinoma: comparative effects of four potent inhibitors. Cancer Biol Ther 2013; 14:648-57. [PMID: 23792639 PMCID: PMC3742494 DOI: 10.4161/cbt.25087] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2012] [Revised: 04/16/2013] [Accepted: 05/19/2013] [Indexed: 01/21/2023] Open
Abstract
Despite the improvements in neoadjuvant chemotherapy, the outcome of patients with advanced bladder cancer has changed very little over the past 30 years. In the present study we tested and compared the in vitro antitumor activities of four different inhibitors of Polo-like kinase 1 (PLK1) (BI 2536, BI 6727, GW843682X, and GSK461364), against 3 bladder carcinoma cell lines RT4, 5637 and T24. The impact on radiosensitivity and drug interactions in simultaneous treatments with cisplatin, methotrexate, and doxorubicin were also investigated. Our results showed that PLK1 inhibition prevented cell proliferation and clonogenicity, causing significant inhibition of invasion of tumor cells, though modest differences were observed between drugs. Moreover, all PLK1 inhibitors induced G 2/M arrest, with the subsequent induction of death in all 3 cell lines. Drug interactions studies showed auspicious results for all PLK1 inhibitors when combined with the commonly used cisplatin and methotrexate, though combinations with doxorubicin showed mostly antagonistic effects. Comparably, the four PLK1 inhibitors efficiently sensitized cells to ionizing radiation. Our findings demonstrate that irrespective of the inhibitor used, the pharmacological inhibition of PLK1 constrains bladder cancer growth and dissemination, providing new opportunities for future therapeutic intervention. However, further laboratorial and pre-clinical tests are still needed to corroborate the usefulness of using them in combination with other commonly used chemotherapeutic drugs.
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Affiliation(s)
- María Sol Brassesco
- Division of Pediatric Oncology, Department of Pediatrics, University of São Paulo, São Paulo, Brazil.
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Zhou P, Baumgarten SC, Wu Y, Bennett J, Winston N, Hirshfeld-Cytron J, Stocco C. IGF-I signaling is essential for FSH stimulation of AKT and steroidogenic genes in granulosa cells. Mol Endocrinol 2013; 27:511-23. [PMID: 23340251 DOI: 10.1210/me.2012-1307] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
FSH and IGF-I synergistically stimulate gonadal steroid production; conversely, silencing the FSH or the IGF-I genes leads to infertility and hypogonadism. To determine the molecular link between these hormones, we examined the signaling cross talk downstream of their receptors. In human and rodent granulosa cells (GCs), IGF-I potentiated the stimulatory effects of FSH and cAMP on the expression of steroidogenic genes. In contrast, inhibition of IGF-I receptor (IGF-IR) activity or expression using pharmacological, genetic, or biochemical approaches prevented the FSH- and cAMP-induced expression of steroidogenic genes and estradiol production. In vivo experiments demonstrated that IGF-IR inactivation reduces the stimulation of steroidogenic genes and follicle growth by gonadotropins. FSH or IGF-I alone stimulated protein kinase B (PKB), which is also known as AKT and in combination synergistically increased AKT phosphorylation. Remarkably, blocking IGF-IR expression or activity decreased AKT basal activity and abolished AKT activation by FSH. In GCs lacking IGF-IR activity, FSH stimulation of Cyp19 expression was rescued by overexpression of constitutively active AKT. Our findings demonstrate, for the first time, that in human, mouse, and rat GCs, the well-known stimulatory effect of FSH on Cyp19 and AKT depends on IGF-I and on the expression and activation of the IGF-IR.
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Affiliation(s)
- Ping Zhou
- Departments of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
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15
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Zhuang PY, Tang ZH, Quan ZW. Molecularly targeted therapy of gallbladder carcinoma. Shijie Huaren Xiaohua Zazhi 2012; 20:2973-2977. [DOI: 10.11569/wcjd.v20.i31.2973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Gallbladder cancer (GBC) represents the most common and aggressive type of biliary tree cancers (BTCs). Complete surgical resection offers the only chance for cure; however, only 10% of patients with GBC present with early-stage disease and are considered surgical candidates. Among those patients who do undergo "curative" resection, recurrence rates are high. There are no established adjuvant treatments in this setting. Patients with unresectable or metastatic GBC have a poor prognosis. Molecularly targeted therapy offers a promising approach for the treatment of unresectable or metastatic GBC. Molecules involved in carcinogenesis or pathogenesis of GBC are target candidates. Molecularly targeted agents that inhibit angiogenesis and epidermal growth factor receptor (EGFR) pathways are entering clinical trials. Further understanding of the molecular mechanism of carcinogenesis coupled with more extensive genetic profiling of GBC patients will help assess the therapeutic relevance of targeting a specific pathway.
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Abstract
The majority of growth factor receptors are composed of extracellular, transmembrane, and cytoplasmic tyrosine kinase (TK) domains. Receptor tyrosine kinase (RTK) activation regulates many key processes including cell growth and survival. However, dysregulation of RTK has been found in a wide range of cancers, and it has been shown to correlate with the development and progression of numerous cancers. Therefore, RTK has become an attractive therapeutic target. One way to effectively block signaling from RTK is inhibition of its catalytic activity with small-molecule inhibitors. Low-molecular-weight TK inhibitors (TKIs), such as imatinib, targeting tumors with mutant c-Kit, and gefitinib, targeting non-small cell lung cancer with mutant epidermal growth factor receptor (EGFR), have received marketing approval in Japan. MET, fibroblast growth factor receptor (FGFR), and insulin-like growth factor-I receptor (IGF-IR) are frequently genetically altered in advanced cancers. TKIs of these receptors have not yet appeared on the market, but many anticancer drug candidates are currently undergoing clinical trials. Most of these TKIs were designed to compete with ATP at the ATP-binding site within the TK domain. This review will focus on small-molecule TKIs targeting MET, FGFR, and IGF-IR and discuss the merits and demerits of two types of agents, i.e., those with only one or a few targets and those directed at multiple targets. Targeting agents specifically inhibiting the target kinase were previously searched for based on the hypothesis that a narrow target window might reduce unexpected side effects, but agents with multiple targets have been recently developed to overcome tumors resistant against a single-targeting agent.
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Affiliation(s)
- Kenji Takeuchi
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Setsunan University, Hirakata, Osaka, Japan.
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17
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Ohashi H, Adachi Y, Yamamoto H, Taniguchi H, Nosho K, Suzuki H, Arimura Y, Imai K, Carbone DP, Shinomura Y. Insulin-like growth factor receptor expression is associated with aggressive phenotypes and has therapeutic activity in biliary tract cancers. Cancer Sci 2011; 103:252-61. [PMID: 22044563 DOI: 10.1111/j.1349-7006.2011.02138.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Insulin-like growth factor (IGF)-I receptor (IGF-IR) signaling is required for carcinogenicity and progression of several cancers but the function of this pathway and its utility as a therapeutic target have not been studied comprehensively in biliary tract carcinomas (BTC). We investigated the immunohistochemical expression of elements of the IGF axis, matrilysin, overexpression of p53 and the methylation status of the IGFBP-3 promoter in 80 surgically resected BTC. We also assessed the effect of IGF-IR blockade on signal transduction, proliferation and survival in three BTC cell lines using a new tyrosine kinase inhibitor, BMS-536924, and dominant negative IGF-IR (IGF-IR/dn). The effects of IGF-IR blockade was also studied in nude mouse xenograft models. IGF-I was expressed in 60% and IGF-II in 50% of tumors. High expression was associated with tumor size. IGF-IR was expressed in 69% of the cases and was associated with advanced stage and matrilysin expression. Hypermethylation of the IGFBP-3 promoter was detected in 41% of BTC and was inversely correlated with p53 expression. BMS-536924 blocked autophosphorylation of IGF-IR and both Akt and ERK activation by both IGF-I and insulin. BMS-536924 suppressed proliferation and tumorigenicity in vitro in a dose-dependent fashion. This inhibitor upregulated chemotherapy-induced apoptosis in a dose-dependent fashion. Moreover, IGF-IR blockade was effective against tumors in mice. IGF-IR might identify a subset of BTC with a particularly aggressive phenotype and is a candidate therapeutic target in this disease. BMS-536924 might have significant therapeutic utility.
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Affiliation(s)
- Hirokazu Ohashi
- First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan
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18
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Down-regulation of IGF-1R expression inhibits growth and enhances chemosensitivity of endometrial carcinoma in vitro. Mol Cell Biochem 2011; 353:225-33. [DOI: 10.1007/s11010-011-0790-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2011] [Accepted: 03/17/2011] [Indexed: 01/17/2023]
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Shu S, Li X, Yang Y, Zhang Y, Li T, Liang C, Wan J. Inhibitory effect of siRNA targeting IGF-1R on endometrial carcinoma. Int Immunopharmacol 2011; 11:244-9. [DOI: 10.1016/j.intimp.2010.11.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2010] [Revised: 11/21/2010] [Accepted: 11/23/2010] [Indexed: 11/28/2022]
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20
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Zhu AX, Hezel AF. Development of molecularly targeted therapies in biliary tract cancers: reassessing the challenges and opportunities. Hepatology 2011; 53:695-704. [PMID: 21274890 DOI: 10.1002/hep.24145] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Biliary tract cancers (BTCs), which encompass intra- and extrahepatic cholangiocarcinomas as well as gallbladder carcinomas, are a genetically diverse collection of cancers. Most patients with BTC will present with unresectable or metastatic disease. Although the standard systemic chemotherapy approaches are emerging, the prognosis remains poor. Development of molecularly targeted therapies in advanced BTC remains challenging. Recent early-stage clinical trials with targeted therapies appear promising, although the relationships between subsets of patients with positive responses to therapy and tumor genetics remain unexplored. Here we summarize the relevant molecular pathogenesis, recent and ongoing clinical trials with targeted agents, and the key issues in clinical trial design in BTC.
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Affiliation(s)
- Andrew X Zhu
- Massachusetts General Hospital Cancer Center, Harvard Medical School, Boston, MA, USA.
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21
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Hezel AF, Deshpande V, Zhu AX. Genetics of biliary tract cancers and emerging targeted therapies. J Clin Oncol 2010; 28:3531-40. [PMID: 20547994 PMCID: PMC2982782 DOI: 10.1200/jco.2009.27.4787] [Citation(s) in RCA: 160] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2009] [Accepted: 04/28/2010] [Indexed: 12/13/2022] Open
Abstract
Biliary tract cancers (BTC), which encompass intra- and extrahepatic cholangiocarcinomas and gallbladder carcinomas, are a genetically diverse collection of cancers. Evidence suggests distinct models of molecular and pathologic progression, and a growing body of genetics data points to a heterogeneous collection of underlying mutations in key oncogenes and tumor suppressor genes. Although tumor genetics have been used to tailor individual treatment regimens and guide clinical decision making in other cancers, these principles have not been applied in BTC. Recent clinical trials with targeted therapies seem promising, although the relationships between subsets of patients with positive responses to therapy and tumor genetics remain unexplored. Here, we summarize the molecular pathogenesis and genetics of BTCs and animal modeling and relate these to recent and ongoing clinical trials with targeted agents.
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Affiliation(s)
- Aram F Hezel
- James P Wilmot Cancer Center, University of Rochester School of Medicine, Rochester, NY 14642, USA.
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