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Vivier D, Hautière M, Pineau D, Dancer PA, Herbet A, Hugnot JP, Bernhard C, Goncalves V, Truillet C, Boquet D, Denat F. Synthesis and Preclinical Fluorescence Imaging of Dually Functionalized Antibody Conjugates Targeting Endothelin Receptor-Positive Tumors. Bioconjug Chem 2023; 34:2144-2153. [PMID: 37931154 DOI: 10.1021/acs.bioconjchem.3c00445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
For the past two decades, the emerging role of the endothelin (ET) axis in cancer has been extensively investigated, and its involvement in several mechanisms described as "hallmarks of cancer" has clearly highlighted its potential as a therapeutic target. Despite the growing interest in finding effective anticancer drugs, no breakthrough treatment has successfully made its way to the market. Recently, our team reported the development of a new immuno-positron emission tomography probe targeting the ET A receptor (ETA, one of the ET receptors) that allows the successful detection of ETA+ glioblastoma, paving the way for the elaboration of novel antibody-based strategies. In this study, we describe the synthesis of two PET/NIRF (positron emission tomography/near-infrared fluorescence) dually functionalized imaging agents, directed against ETA or ETB, that could be used to detect ET+ tumors and select patients that will be eligible for fluorescence-guided surgery. Both imaging modalities were brought together using a highly versatile tetrazine platform bearing the IRDye800CW fluorophore and desferrioxamine for 89Zr chelation. This so-called monomolecular multimodal imaging probe was then "clicked", via an inverse-electron-demand Diels-Alder reaction, to antibodies conjugated site-specifically with a trans-cyclooctene group. This approach has led to homogeneous and well-defined constructs that retained their high affinity and high specificity for their respective target, as shown by flow cytometry and NIRF in vivo imaging experiments in nude mice bearing CHO-ETA and CHO-ETB tumors. Ultimately, these bimodal immunoconjugates could be used to improve the outcomes of patients with ET+ tumors.
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Affiliation(s)
- Delphine Vivier
- Université de Bourgogne, ICMUB UMR CNRS 6302, 21000 Dijon, France
| | - Marie Hautière
- Université Paris-Saclay, CEA, DMTS, SPI, 91191 Gif-sur-Yvette, France
- Université Paris-Saclay, CEA, CNRS, Inserm, BioMaps, 91401 Orsay, France
| | - Donovan Pineau
- Université de Montpellier, IGF, INSERM U 1191-CNRS UMR 5203, 34094 Montpellier, France
| | | | - Amaury Herbet
- Université Paris-Saclay, CEA, DMTS, SPI, 91191 Gif-sur-Yvette, France
| | - Jean-Philippe Hugnot
- Université de Montpellier, IGF, INSERM U 1191-CNRS UMR 5203, 34094 Montpellier, France
| | - Claire Bernhard
- Université de Bourgogne, ICMUB UMR CNRS 6302, 21000 Dijon, France
| | - Victor Goncalves
- Université de Bourgogne, ICMUB UMR CNRS 6302, 21000 Dijon, France
| | - Charles Truillet
- Université Paris-Saclay, CEA, CNRS, Inserm, BioMaps, 91401 Orsay, France
| | - Didier Boquet
- Université Paris-Saclay, CEA, DMTS, SPI, 91191 Gif-sur-Yvette, France
| | - Franck Denat
- Université de Bourgogne, ICMUB UMR CNRS 6302, 21000 Dijon, France
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2
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Ko S, Ju MS, Ahn HM, Na JH, Ko WH, Jo M, Kyung M, Lim CS, Ko BJ, Lee WK, Kim YJ, Jung ST. Engineered Human Antibody with Improved Endothelin Receptor Type A Binding Affinity, Developability, and Serum Persistence Exhibits Excellent Antitumor Potency. Mol Pharm 2023; 20:1247-1255. [PMID: 36563318 DOI: 10.1021/acs.molpharmaceut.2c00923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Endothelin receptor A (ETA), a class A G protein-coupled receptor (GPCR), is a promising tumor-associated antigen due to its close association with the progression and metastasis of many types of cancer, such as colorectal, breast, lung, ovarian, and prostate cancer. However, only small-molecule drugs have been developed as ETA antagonists with anticancer effects. In a previous study, we identified an antibody (AG8) with highly selective binding to human ETA through screening of a human naïve immune antibody library. Although both in vitro and in vivo experiments indicated that the identified AG8 had anticancer effects, there is a need for improvement in biochemical and physicochemical properties such as the ETA binding affinity, thermostability, and productivity. In this study, we engineered the framework regions of AG8 and isolated an anti-ETA antibody (MJF1) exhibiting significantly improved thermostability and ETA binding affinity. Subsequently, our previously isolated PFc29, an Fc variant with an enhanced pH-dependent human FcRn binding profile, was introduced to MJF1, and the resulting Fc-engineered anti-ETA antibody (MJF1-PFc29) inhibited the proliferation of tumor cells comparably to MJF1 and showed a 4.2-fold increased serum half-life in human FcRn transgenic mice. Moreover, MJF1-PFc29 elicited higher tumor growth inhibition in colorectal cancer xenograft mice compared to MJF1. Our results demonstrate that the engineered human anti-ETA antibody MJF1-PFc29 has great therapeutic potential and high antitumor potency against various types of cancers including colorectal cancer.
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Affiliation(s)
- Sanghwan Ko
- Department of Biomedical Sciences, Graduate School, Korea University, Seoul 02841, Republic of Korea.,Institute of Human Genetics, Korea University College of Medicine, Seoul 02841, Republic of Korea
| | - Man-Seok Ju
- Department of Biomedical Sciences, Graduate School, Korea University, Seoul 02841, Republic of Korea.,Institute of Human Genetics, Korea University College of Medicine, Seoul 02841, Republic of Korea
| | - Hye-Mi Ahn
- Targeted Therapy Branch, Division of Rare and Refractory Cancer, Research Institute, National Cancer Center, Goyang, Gyeonggi-do 10408, Republic of Korea
| | - Jung-Hyun Na
- Department of Pharmaceutical Engineering, Sangji University, Wonju, Gangwon-do 26339, Republic of Korea
| | - Woo Hyung Ko
- Department of Biomedical Sciences, Graduate School, Korea University, Seoul 02841, Republic of Korea.,BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul 02841, Republic of Korea
| | - Migyeong Jo
- Department of Biomedical Sciences, Graduate School, Korea University, Seoul 02841, Republic of Korea.,BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul 02841, Republic of Korea
| | - Munsu Kyung
- Department of Biomedical Sciences, Graduate School, Korea University, Seoul 02841, Republic of Korea.,BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul 02841, Republic of Korea
| | - Chung Su Lim
- New Drug Development Center, Osong Medical Innovation Foundation, Cheongju, Chungcheongbuk-do 28160, Republic of Korea
| | - Byoung Joon Ko
- School of Biopharmaceutical and Medical Sciences, Sungshin Women's University, Seoul 02844, Republic of Korea
| | - Won-Kyu Lee
- New Drug Development Center, Osong Medical Innovation Foundation, Cheongju, Chungcheongbuk-do 28160, Republic of Korea
| | - Youn-Jae Kim
- Targeted Therapy Branch, Division of Rare and Refractory Cancer, Research Institute, National Cancer Center, Goyang, Gyeonggi-do 10408, Republic of Korea
| | - Sang Taek Jung
- Department of Biomedical Sciences, Graduate School, Korea University, Seoul 02841, Republic of Korea.,Institute of Human Genetics, Korea University College of Medicine, Seoul 02841, Republic of Korea.,BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul 02841, Republic of Korea
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3
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Using GPCRs as Molecular Beacons to Target Ovarian Cancer with Nanomedicines. Cancers (Basel) 2022; 14:cancers14102362. [PMID: 35625966 PMCID: PMC9140059 DOI: 10.3390/cancers14102362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/03/2022] [Accepted: 05/05/2022] [Indexed: 12/12/2022] Open
Abstract
The five-year survival rate for women with ovarian cancer is very poor despite radical cytoreductive surgery and chemotherapy. Although most patients initially respond to platinum-based chemotherapy, the majority experience recurrence and ultimately develop chemoresistance, resulting in fatal outcomes. The current administration of cytotoxic compounds is hampered by dose-limiting severe adverse effects. There is an unmet clinical need for targeted drug delivery systems that transport chemotherapeutics selectively to tumor cells while minimizing off-target toxicity. G protein-coupled receptors (GPCRs) are the largest family of membrane receptors, and many are overexpressed in solid tumors, including ovarian cancer. This review summarizes the progress in engineered nanoparticle research for drug delivery for ovarian cancer and discusses the potential use of GPCRs as molecular entry points to deliver anti-cancer compounds into ovarian cancer cells. A newly emerging treatment paradigm could be the personalized design of nanomedicines on a case-by-case basis.
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4
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Ling Z, Yang C, Tan J, Dou C, Chen Y. Beyond immunosuppressive effects: dual roles of myeloid-derived suppressor cells in bone-related diseases. Cell Mol Life Sci 2021; 78:7161-7183. [PMID: 34635950 PMCID: PMC11072300 DOI: 10.1007/s00018-021-03966-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/11/2021] [Accepted: 09/29/2021] [Indexed: 02/08/2023]
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of immature myeloid cells (IMCs) with immunosuppressive functions, whereas IMCs originally differentiate into granulocytes, macrophages, and dendritic cells (DCs) to participate in innate immunity under steady-state conditions. At present, difficulties remain in identifying MDSCs due to lacking of specific biomarkers. To make identification of MDSCs accurately, it also needs to be determined whether having immunosuppressive functions. MDSCs play crucial roles in anti-tumor, angiogenesis, and metastasis. Meanwhile, MDSCs could make close interaction with osteoclasts, osteoblasts, chondrocytes, and other stromal cells within microenvironment of bone and joint, and thereby contributing to poor prognosis of bone-related diseases such as cancer-related bone metastasis, osteosarcoma (OS), rheumatoid arthritis (RA), osteoarthritis (OA), and orthopedic trauma. In addition, MDSCs have been shown to participate in the procedure of bone repair. In this review, we have summarized the function of MDSCs in cancer-related bone metastasis, the interaction with stromal cells within the bone microenvironment as well as joint microenvironment, and the critical role of MDSCs in bone repair. Besides, the promising value of MDSCs in the treatment for bone-related diseases is also well discussed.
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Affiliation(s)
- Zhiguo Ling
- Department of Orthopaedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Chuan Yang
- Department of Biomedical Materials Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Jiulin Tan
- Department of Orthopaedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Ce Dou
- Department of Orthopaedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Yueqi Chen
- Department of Orthopaedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China.
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5
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A human antibody against human endothelin receptor type A that exhibits antitumor potency. Exp Mol Med 2021; 53:1437-1448. [PMID: 34588605 PMCID: PMC8492878 DOI: 10.1038/s12276-021-00678-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 07/11/2021] [Accepted: 07/19/2021] [Indexed: 12/22/2022] Open
Abstract
Endothelin receptor A (ETA), a class A G-protein-coupled receptor (GPCR), is involved in the progression and metastasis of colorectal, breast, lung, ovarian, and prostate cancer. We overexpressed and purified human endothelin receptor type A in Escherichia coli and reconstituted it with lipid and membrane scaffold proteins to prepare an ETA nanodisc as a functional antigen with a structure similar to that of native GPCR. By screening a human naive immune single-chain variable fragment phage library constructed in-house, we successfully isolated a human anti-ETA antibody (AG8) exhibiting high specificity for ETA in the β-arrestin Tango assay and effective inhibitory activity against the ET-1-induced signaling cascade via ETA using either a CHO-K1 cell line stably expressing human ETA or HT-29 colorectal cancer cells, in which AG8 exhibited IC50 values of 56 and 51 nM, respectively. In addition, AG8 treatment repressed the transcription of inhibin βA and reduced the ETA-induced phosphorylation of protein kinase B and extracellular regulated kinase. Furthermore, tumor growth was effectively inhibited by AG8 in a colorectal cancer mouse xenograft model. The human anti-ETA antibody isolated in this study could be used as a potential therapeutic for cancers, including colorectal cancer. A therapeutic antibody that targets a receptor involved in cancer progression shows significant anti-cancer effects in trials in mice. Endothelin receptor A (ETA) promotes the progression and metastasis of several cancers, and patients with high ETA expression often have poor survival rates. Several small molecule drugs that target ETA are currently undergoing trials. Now, Sang Taek Jung at the Korea University in Seoul, together with scientists across South Korea, have identified and isolated a human antibody that specifically binds to ETA. The team developed an antigen that mimics ETA, and identified and isolated the antibody it bound to. The antibody exhibited potent anti-tumor effects in cell cultures and trials in mice. Such therapeutic antibodies show higher affinity for their targets than other drugs, resulting in fewer side effects and higher efficacy.
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6
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Basukala O, Banks L. The Not-So-Good, the Bad and the Ugly: HPV E5, E6 and E7 Oncoproteins in the Orchestration of Carcinogenesis. Viruses 2021; 13:1892. [PMID: 34696321 PMCID: PMC8541208 DOI: 10.3390/v13101892] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 12/15/2022] Open
Abstract
Infection with HPV starts with the access of the viral particles to basal cells in the epidermis, potentially via microtraumas to the skin. The basal cells are able to keep away these pathogens in normal circumstances through a robust immune response from the host, as HPV infections are, in general, cleared within 2 to 3 weeks. However, the rare instances of persistent infection and/or in cases where the host immune system is compromised are major risk factors for the development of lesions potentially leading to malignancy. Evolutionarily, obligatory pathogens such as HPVs would not be expected to risk exposing the host to lethal cancer, as this would entail challenging their own life cycle, but infection with these viruses is highly correlated with cancer and malignancy-as in cancer of the cervix, which is almost always associated with these viruses. Despite this key associative cause and the availability of very effective vaccines against these viruses, therapeutic interventions against HPV-induced cancers are still a challenge, indicating the need for focused translational research. In this review, we will consider the key roles that the viral proteins play in driving the host cells to carcinogenesis, mainly focusing on events orchestrated by early proteins E5, E6 and E7-the not-so-good, the bad and the ugly-and discuss and summarize the major events that lead to these viruses mechanistically corrupting cellular homeostasis, giving rise to cancer and malignancy.
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Affiliation(s)
| | - Lawrence Banks
- Tumour Virology Laboratory, International Centre for Genetic Engineering and Biotechnology, Padriciano 99, I-34149 Trieste, Italy;
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7
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Abu-Halima M, Wagner V, Becker LS, Ayesh BM, Abd El-Rahman M, Fischer U, Meese E, Abdul-Khaliq H. Integrated microRNA and mRNA Expression Profiling Identifies Novel Targets and Networks Associated with Ebstein's Anomaly. Cells 2021; 10:cells10051066. [PMID: 33946378 PMCID: PMC8146150 DOI: 10.3390/cells10051066] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/27/2021] [Accepted: 04/28/2021] [Indexed: 02/06/2023] Open
Abstract
Little is known about abundance level changes of circulating microRNAs (miRNAs) and messenger RNAs (mRNA) in patients with Ebstein’s anomaly (EA). Here, we performed an integrated analysis to identify the differentially abundant miRNAs and mRNA targets and to identify the potential therapeutic targets that might be involved in the mechanisms underlying EA. A large panel of human miRNA and mRNA microarrays were conducted to determine the genome-wide expression profiles in the blood of 16 EA patients and 16 age and gender-matched healthy control volunteers (HVs). Differential abundance level of single miRNA and mRNA was validated by Real-Time quantitative PCR (RT-qPCR). Enrichment analyses of altered miRNA and mRNA abundance levels were identified using bioinformatics tools. Altered miRNA and mRNA abundance levels were observed between EA patients and HVs. Among the deregulated miRNAs and mRNAs, 76 miRNAs (49 lower abundance and 27 higher abundance, fold-change of ≥2) and 29 mRNAs (25 higher abundance and 4 lower abundance, fold-change of ≥1.5) were identified in EA patients compared to HVs. Bioinformatics analysis identified 37 pairs of putative miRNA-mRNA interactions. The majority of the correlations were detected between the lower abundance level of miRNA and higher abundance level of mRNA, except for let-7b-5p, which showed a higher abundance level and their target gene, SCRN3, showed a lower abundance level. Pathway enrichment analysis of the deregulated mRNAs identified 35 significant pathways that are mostly involved in signal transduction and cellular interaction pathways. Our findings provide new insights into a potential molecular biomarker(s) for the EA that may guide the development of novel targeting therapies.
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Affiliation(s)
- Masood Abu-Halima
- Institute of Human Genetics, Saarland University, 66421 Homburg, Germany; (V.W.); (L.S.B.); (U.F.); (E.M.)
- Department of Pediatric Cardiology, Saarland University Medical Center, 66421 Homburg, Germany; (M.A.E.-R.); (H.A.-K.)
- Correspondence:
| | - Viktoria Wagner
- Institute of Human Genetics, Saarland University, 66421 Homburg, Germany; (V.W.); (L.S.B.); (U.F.); (E.M.)
- Center for Clinical Bioinformatics, Saarland University, 66123 Saarbrücken, Germany
| | - Lea Simone Becker
- Institute of Human Genetics, Saarland University, 66421 Homburg, Germany; (V.W.); (L.S.B.); (U.F.); (E.M.)
| | - Basim M. Ayesh
- Department of Laboratory Medical Sciences, Alaqsa University, Gaza 4051, Palestine;
| | - Mohammed Abd El-Rahman
- Department of Pediatric Cardiology, Saarland University Medical Center, 66421 Homburg, Germany; (M.A.E.-R.); (H.A.-K.)
| | - Ulrike Fischer
- Institute of Human Genetics, Saarland University, 66421 Homburg, Germany; (V.W.); (L.S.B.); (U.F.); (E.M.)
| | - Eckart Meese
- Institute of Human Genetics, Saarland University, 66421 Homburg, Germany; (V.W.); (L.S.B.); (U.F.); (E.M.)
| | - Hashim Abdul-Khaliq
- Department of Pediatric Cardiology, Saarland University Medical Center, 66421 Homburg, Germany; (M.A.E.-R.); (H.A.-K.)
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8
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Poorgolizadeh E, Homayouni Moghadam F, Dormiani K, Rezaei N, Nasr-Esfahani MH. Do neprilysin inhibitors walk the line? Heart ameliorative but brain threatening! Eur J Pharmacol 2021; 894:173851. [PMID: 33422508 DOI: 10.1016/j.ejphar.2021.173851] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 12/12/2020] [Accepted: 01/05/2021] [Indexed: 12/12/2022]
Abstract
Sacubitril/valsartan (Entresto™; LCZ696) is the first angiotensin receptor-neprilysin inhibitor (ARNI) drug approved by the US and EU for heart failure (HF) and especially recommended for hypertensive HF (HHF). Sacubitril inhibits the enzyme neprilysin (NEP) which produces both beneficial and adverse effects in the human body. While LCZ696 causes beneficial cardiovascular effects, it may induce memory and cognitive dysfunction, or even exacerbate Alzheimer's disease (AD). This article reviewed data reported by experimental and clinical studies that examined NEP inhibitors and their dementia-related side effects. Based on the literature, LCZ696 increases the risk of memory and cognitive dysfunctions, and clinical trials failed to show compelling evidence for LCZ696 safety for the brain. Together, it was concluded that more experimental and clinical studies with particular focus on LCZ696 side effects on β-amyloid (Aβ) degradation are needed to assess LCZ696 safety for the cognitive function, especially in case of long-term administration.
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Affiliation(s)
| | - Farshad Homayouni Moghadam
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
| | - Kianoush Dormiani
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Naeimeh Rezaei
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Mohammad Hossein Nasr-Esfahani
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
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9
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Dang D, Ye Y, Aouizerat BE, Patel YK, Viet DT, Chan KC, Ono K, Doan C, Figueroa JD, Yu G, Viet CT. Targeting the endothelin axis as a therapeutic strategy for oral cancer metastasis and pain. Sci Rep 2020; 10:20832. [PMID: 33257729 PMCID: PMC7704690 DOI: 10.1038/s41598-020-77642-6] [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: 08/02/2020] [Accepted: 11/10/2020] [Indexed: 11/29/2022] Open
Abstract
Metastasis reduces survival in oral cancer patients and pain is their greatest complaint. We have shown previously that oral cancer metastasis and pain are controlled by the endothelin axis, which is a pathway comprised of the endothelin A and B receptors (ETAR and ETBR). In this study we focus on individual genes of the pathway, demonstrating that the endothelin axis genes are methylated and dysregulated in cancer tissue. Based on these findings in patients, we hypothesize that ETAR and ETBR play dichotomous roles in oral carcinogenesis and pain, such that ETAR activation and silenced ETBR expression result in increased carcinogenesis and pain. We test a treatment strategy that targets the dichotomous functions of the two receptors by inhibiting ETAR with macitentan, an ETAR antagonist approved for treatment of pulmonary hypertension, and re-expressing the ETBR gene with adenovirus transduction, and determine the treatment effect on cancer invasion (i.e., metastasis), proliferation and pain in vitro and in vivo. We demonstrate that combination treatment of macitentan and ETBR gene therapy inhibits invasion, but not proliferation, in cell culture and in a mouse model of tongue cancer. Furthermore, the treatment combination produces an antinociceptive effect through inhibition of endothelin-1 mediated neuronal activation, revealing the analgesic potential of macitentan. Our treatment approach targets a pathway shown to be dysregulated in oral cancer patients, using gene therapy and repurposing an available drug to effectively treat both oral cancer metastasis and pain in a preclinical model.
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Affiliation(s)
- Dongmin Dang
- Department of Oral and Maxillofacial Surgery, New York University, New York, NY, USA.,Bluestone Center for Clinical Research, New York University, New York, NY, USA
| | - Yi Ye
- Department of Oral and Maxillofacial Surgery, New York University, New York, NY, USA.,Bluestone Center for Clinical Research, New York University, New York, NY, USA
| | - Bradley E Aouizerat
- Department of Oral and Maxillofacial Surgery, New York University, New York, NY, USA.,Bluestone Center for Clinical Research, New York University, New York, NY, USA.,Rory Meyers College of Nursing, New York University, New York, NY, USA
| | - Yogin K Patel
- Bluestone Center for Clinical Research, New York University, New York, NY, USA
| | - Dan T Viet
- Bluestone Center for Clinical Research, New York University, New York, NY, USA
| | - King Chong Chan
- Division of Oral and Maxillofacial Radiology, Section of Hospital Dentistry, Columbia University Irving Medical Center, New York, NY, USA
| | - Kentaro Ono
- Department of Physiology, Kyushu Dental University, Kitakyushu, Japan
| | - Coleen Doan
- Department of Oral and Maxillofacial Surgery, Loma Linda University School of Dentistry, Loma Linda, CA, USA
| | - Johnny D Figueroa
- Department of Basic Sciences, Center for Health Disparities and Molecular Medicine, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Gary Yu
- Rory Meyers College of Nursing, New York University, New York, NY, USA
| | - Chi T Viet
- Department of Oral and Maxillofacial Surgery, Loma Linda University School of Dentistry, Loma Linda, CA, USA.
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10
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Pulido I, Ollosi S, Aparisi S, Becker JH, Aliena-Valero A, Benet M, Rodríguez ML, López A, Tamayo-Torres E, Chuliá-Peris L, García-Cañaveras JC, Soucheray M, Dalheim AV, Salom JB, Qiu W, Kaja S, Fernández-Coronado JA, Alandes S, Alcácer J, Al-Shahrour F, Borgia JA, Juan O, Nishimura MI, Lahoz A, Carretero J, Shimamura T. Endothelin-1-Mediated Drug Resistance in EGFR-Mutant Non-Small Cell Lung Carcinoma. Cancer Res 2020; 80:4224-4232. [PMID: 32747363 PMCID: PMC7541638 DOI: 10.1158/0008-5472.can-20-0141] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 06/25/2020] [Accepted: 07/29/2020] [Indexed: 11/16/2022]
Abstract
Progression on therapy in non-small cell lung carcinoma (NSCLC) is often evaluated radiographically, however, image-based evaluation of said therapies may not distinguish disease progression due to intrinsic tumor drug resistance or inefficient tumor penetration of the drugs. Here we report that the inhibition of mutated EGFR promotes the secretion of a potent vasoconstrictor, endothelin-1 (EDN1), which continues to increase as the cells become resistant with a mesenchymal phenotype. As EDN1 and its receptor (EDNR) is linked to cancer progression, EDNR-antagonists have been evaluated in several clinical trials with disappointing results. These trials were based on a hypothesis that the EDN1-EDNR axis activates the MAPK-ERK signaling pathway that is vital to the cancer cell survival; the trials were not designed to evaluate the impact of tumor-derived EDN1 in modifying tumor microenvironment or contributing to drug resistance. Ectopic overexpression of EDN1 in cells with mutated EGFR resulted in poor drug delivery and retarded growth in vivo but not in vitro. Intratumoral injection of recombinant EDN significantly reduced blood flow and subsequent gefitinib accumulation in xenografted EGFR-mutant tumors. Furthermore, depletion of EDN1 or the use of endothelin receptor inhibitors bosentan and ambrisentan improved drug penetration into tumors and restored blood flow in tumor-associated vasculature. Correlatively, these results describe a simplistic endogenous yet previously unrealized resistance mechanism inherent to a subset of EGFR-mutant NSCLC to attenuate tyrosine kinase inhibitor delivery to the tumors by limiting drug-carrying blood flow and the drug concentration in tumors. SIGNIFICANCE: EDNR antagonists can be repurposed to improve drug delivery in VEGFA-secreting tumors, which normally respond to TKI treatment by secreting EDN1, promoting vasoconstriction, and limiting blood and drug delivery.
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Affiliation(s)
- Inés Pulido
- Department of Surgery, Division of Cardiothoracic Surgery, University of Illinois at Chicago, Chicago, Illinois
- University of Illinois Hospital & Health Sciences System Cancer Center, University of Illinois at Chicago, Chicago, Illinois
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de València, Burjassot, Spain
| | - Stephen Ollosi
- Biochemistry and Molecular Biology Program, Loyola University Chicago, Stritch School of Medicine, Maywood, Illinois
| | - Salvador Aparisi
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de València, Burjassot, Spain
| | - Jeffrey H Becker
- Department of Surgery, Division of Cardiothoracic Surgery, University of Illinois at Chicago, Chicago, Illinois
- University of Illinois Hospital & Health Sciences System Cancer Center, University of Illinois at Chicago, Chicago, Illinois
| | - Alicia Aliena-Valero
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de València, Burjassot, Spain
- Unidad Mixta de Investigación Cerebrovascular, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Marta Benet
- Biomarkers and Precision Medicine Unit and Analytic Unit, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - María L Rodríguez
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de València, Burjassot, Spain
| | - Adrián López
- Biomarkers and Precision Medicine Unit and Analytic Unit, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Eva Tamayo-Torres
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de València, Burjassot, Spain
| | - Lourdes Chuliá-Peris
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de València, Burjassot, Spain
| | - Juan Carlos García-Cañaveras
- Biomarkers and Precision Medicine Unit and Analytic Unit, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Margaret Soucheray
- Department of Molecular Pharmacology and Neuroscience, Loyola University Chicago, Stritch School of Medicine, Maywood, Illinois
| | - Annika V Dalheim
- Department of Surgery, Loyola University Chicago, Stritch School of Medicine, Maywood, Illinois
| | - Juan B Salom
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de València, Burjassot, Spain
- Unidad Mixta de Investigación Cerebrovascular, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Wei Qiu
- Department of Surgery, Loyola University Chicago, Stritch School of Medicine, Maywood, Illinois
| | - Simon Kaja
- Department of Molecular Pharmacology and Neuroscience, Loyola University Chicago, Stritch School of Medicine, Maywood, Illinois
- Department of Ophthalmology, Loyola University Chicago, Stritch School of Medicine, Maywood, Illinois
| | | | - Sandra Alandes
- Department of Pathology, Hospital Quirónsalud, Valencia, Spain
| | - Javier Alcácer
- Department of Pathology, Hospital Quirónsalud, Valencia, Spain
| | - Fátima Al-Shahrour
- Bioinformatics Unit, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Jeffrey A Borgia
- Department of Cell & Molecular Medicine, Rush University Medical Center, Chicago, Illinois
| | - Oscar Juan
- Biomarkers and Precision Medicine Unit and Analytic Unit, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Michael I Nishimura
- Department of Surgery, Loyola University Chicago, Stritch School of Medicine, Maywood, Illinois
| | - Agustín Lahoz
- Biomarkers and Precision Medicine Unit and Analytic Unit, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Julián Carretero
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de València, Burjassot, Spain.
| | - Takeshi Shimamura
- Department of Surgery, Division of Cardiothoracic Surgery, University of Illinois at Chicago, Chicago, Illinois.
- University of Illinois Hospital & Health Sciences System Cancer Center, University of Illinois at Chicago, Chicago, Illinois
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11
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Systemic Management for Nonmetastatic Castration-resistant Prostate Cancer: A Systematic Review and Network Meta-Analysis. Am J Clin Oncol 2020; 43:288-297. [PMID: 31972568 DOI: 10.1097/coc.0000000000000660] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE To indirectly compare the efficacy and safety of systemic therapies used for patients with nonmetastatic castration-resistant prostate cancer (nmCRPC). METHODS The relevant randomized controlled trials were retrieved from PubMed and the Cochrane Library. Network meta-analyses were used to compare multiple drugs simultaneously for the outcomes of nmCRPC. Direct evidence in trials and indirect evidence across trials were combined by the network meta-analyses to estimate the treatment efficiency. OUTCOME Eight studies were included in our research. For prostate-specific antigen progression-free survival, the rate of progression was significantly decreased following apalutamide, enzalutamide, bicalutamide+dutasteride, and bicalutamide treatment compared with placebo. Compared with placebo treatment, metastases-free survival was significantly increased in patients who received apalutamide (hazard ratio [HR]: 0.28, 95% confidence interval [CI]: 0.23-0.35), enzalutamide (HR: 0.29, 95% CI: 0.24-0.35), and darolutamide (HR: 0.42, 95% CI: 0.35-0.50). Direct comparison showed significant survival benefits in patients who received second-generation anti-androgen therapy (apalutamide, enzalutamide, and darolutamide: HR: 0.74, 95% CI: 0.61-0.91) compared with patients who received placebo. With respect to metastases-free survival, based on SUCRA analysis, there was 80% and 78% probability that apalutamide and enzalutamide were preferred treatment, while darolutamide was likely to be second-best choice. Compared with placebo, all agents were not associated with significantly higher likelihood of serious adverse events and grade 3 to 4 adverse events. CONCLUSION Our outcomes support equivalent efficacy and similar risk of adverse effects between apalutamide, enzalutamide, and darolutamide, supporting the use of these antiandrogen agents in high-risk of progression nmCRPC.
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12
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Ruze R, Xiong YC, Li JW, Zhong MW, Xu Q, Yan ZB, Zhu JK, Cheng YG, Hu SY, Zhang GY. Sleeve gastrectomy ameliorates endothelial function and prevents lung cancer by normalizing endothelin-1 axis in obese and diabetic rats. World J Gastroenterol 2020; 26:2599-2617. [PMID: 32523314 PMCID: PMC7265138 DOI: 10.3748/wjg.v26.i20.2599] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/13/2020] [Accepted: 05/15/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Previous evidence has implied that obesity is an independent risk factor for developing cancer. Being closely related to obesity, type 2 diabetes mellitus provides a suitable environment for the formation and metastasis of tumors through multiple pathways. Although bariatric surgeries are effective in preventing and lowering the risk of various types of cancer, the underlying mechanisms of this effect are not clearly elucidated.
AIM To uncover the role and effect of sleeve gastrectomy (SG) in preventing lung cancer in obese and diabetic rats.
METHODS SG was performed on obese and diabetic Wistar rats, and the postoperative transcriptional and translational alterations of the endothelin-1 (ET-1) axis in the lungs were compared to sham-operated obese and diabetic rats and age-matched healthy controls to assess the improvements in endothelial function and risk of developing lung cancer at the postoperative 4th, 8th, and 12th weeks. The risk was also evaluated using nuclear phosphorylation of H2A histone family member X as a marker of DNA damage (double-strand break).
RESULTS Compared to obese and diabetic sham-operated rats, SG brought a significant reduction to body weight, food intake, and fasting blood glucose while improving oral glucose tolerance and insulin sensitivity. In addition, ameliorated levels of gene and protein expression in the ET-1 axis as well as reduced DNA damage indicated improved endothelial function and a lower risk of developing lung cancer after the surgery.
CONCLUSION Apart from eliminating metabolic disorders, SG improves endothelial function and plays a protective role in preventing lung cancer via normalized ET-1 axis and reduced DNA damage.
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Affiliation(s)
- Rexiati Ruze
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Ya-Cheng Xiong
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Jian-Wen Li
- Department of General Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China
| | - Ming-Wei Zhong
- Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University, Jinan 250014, Shandong Province, China
| | - Qian Xu
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan 250014, Shandong Province, China
| | - Zhi-Bo Yan
- Department of General Surgery, Qilu Hospital of Shandong University, Jinan 250012, Shandong Province, China
| | - Jian-Kang Zhu
- Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University, Jinan 250014, Shandong Province, China
| | - Yu-Gang Cheng
- Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University, Jinan 250014, Shandong Province, China
| | - San-Yuan Hu
- Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University, Jinan 250014, Shandong Province, China
| | - Guang-Yong Zhang
- Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University, Jinan 250014, Shandong Province, China
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13
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Dashwood MR, Loesch A. Endothelin-1, endothelin receptor antagonists, and vein graft occlusion in coronary artery bypass surgery: 20 years on and still no journey from bench to bedside. Can J Physiol Pharmacol 2020; 98:570-578. [PMID: 32343914 DOI: 10.1139/cjpp-2019-0598] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The saphenous vein is the most commonly used bypass graft in patients with coronary artery disease. During routine coronary artery bypass, grafting the vascular damage inflicted on the vein is likely to stimulate the release of endothelin-1, a potent endothelium-derived vasoconstrictor that also possesses cell proliferation and inflammatory properties, conditions associated with vein graft failure. In both in vitro and in vivo studies, endothelin receptor antagonists reduce neointimal thickening. The mechanisms underlying these observations are multifactorial and include an effect on cell proliferation and cell/tissue damage. Much of the data supporting the beneficial action of endothelin-1 receptor antagonism at reducing intimal thickening and occlusion in experimental vein grafts were published over 20 years ago. The theme of the recent ET-16 conference in Kobe was "Visiting Old and Learning New". This short review article provides an overview of studies showing the potential of endothelin receptor antagonists to offer an adjuvant therapeutic approach for reducing saphenous vein graft failure and poses the question why this important area of research has not been translated from bench to bedside given the potential benefit for coronary artery bypass patients.
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Affiliation(s)
- Michael R Dashwood
- Surgical and Interventional Sciences, Royal Free Hospital Campus, University College Medical School, London, United Kingdom
| | - Andrzej Loesch
- Centre for Rheumatology, Royal Free Hospital Campus, University College Medical School, London, United Kingdom
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14
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Mahdi MR, Georges RB, Ali DM, Bedeer RF, Eltahry HM, Gabr AEHZ, Berger MR. Modulation of the Endothelin System in Colorectal Cancer Liver Metastasis: Influence of Epigenetic Mechanisms? Front Pharmacol 2020; 11:180. [PMID: 32194414 PMCID: PMC7063057 DOI: 10.3389/fphar.2020.00180] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 02/10/2020] [Indexed: 12/13/2022] Open
Abstract
Targeting of endothelin system genes is a promising strategy in cancer therapy. The modulation of these genes was explored in a model of colorectal cancer (CRC) liver metastasis and in a panel of CRC tumor cell lines that were exposed to the demethylating agent decitabine. The CC531 rat model mimicking CRC liver metastasis was used for tumor cell re-isolation and analysis of the endothelin system genes and DNA methyltransferases (DNMTs) by microarray. To mimic the effects caused by methylation changes, a panel of seven CRC cell lines was treated with the demethylating agent decitabine. Three genes of the endothelin system were potently modulated at messenger RNA (mRNA) level in rat CC531 cells during liver colonization. The concomitant decrease of two DNMTs suggested an influence from altered methylation. Changes in gene expression were also accomplished by exposure of CRC cells to the demethylating agent decitabine, when using daily low concentrations for 3 days, with minimal cytotoxic effects. Sensitive human SW480 cells showed an almost 100fold upregulation of endothelin-1 mRNA compared to untreated cells. This, however, was different in LS174T cells, which showed no significant increase in gene expression although the methylation levels were significantly decreased at a variety of corresponding loci. We suggest that the mechanism induced by methylation on gene expression in metastatic CRC cells can be compromised. The results question the overall success of treating metastatic CRC by methylation inhibitors.
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Affiliation(s)
- Mohamed R. Mahdi
- Toxicology and Chemotherapy Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Human Anatomy & Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Rania B. Georges
- Toxicology and Chemotherapy Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Doaa M. Ali
- Toxicology and Chemotherapy Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Raouf F. Bedeer
- Department of Human Anatomy & Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Huda M. Eltahry
- Department of Human Anatomy & Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Abd-El Hakiem Z. Gabr
- Department of Human Anatomy & Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Martin R. Berger
- Toxicology and Chemotherapy Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany
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15
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Bryche B, Saint-Albin A, Le Poupon Schlegel C, Baly C, Congar P, Meunier N. Endothelin increases the proliferation of rat olfactory mucosa cells. Neural Regen Res 2019; 15:352-360. [PMID: 31552909 PMCID: PMC6905347 DOI: 10.4103/1673-5374.265558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
The olfactory mucosa holds olfactory sensory neurons directly in contact with an aggressive environment. In order to maintain its integrity, it is one of the few neural zones which are continuously renewed during the whole animal life. Among several factors regulating this renewal, endothelin acts as an anti-apoptotic factor in the rat olfactory epithelium. In the present study, we explored whether endothelin could also act as a proliferative factor. Using primary culture of the olfactory mucosa, we found that an early treatment with endothelin increased its growth. Consistently, a treatment with a mixture of BQ123 and BQ788 (endothelin receptor antagonists) decreased the primary culture growth without affecting the cellular death level. We then used combined approaches of calcium imaging, reverse transcriptase-quantitative polymerase chain reaction and protein level measurements to show that endothelin was locally synthetized by the primary culture until it reached confluency. Furthermore, in vivo intranasal instillation of endothelin receptor antagonists led to a decrease of olfactory mucosa cell expressing proliferating cell nuclear antigen (PCNA), a marker of proliferation. Only short-term treatment reduced the PCNA level in the olfactory mucosa cells. When the treatment was prolonged, the PCNA level was not statistically affected but the expression level of endothelin was increased. Overall, our results show that endothelin plays a proliferative role in the olfactory mucosa and that its level is dynamically regulated. This study was approved by the Comité d’éthique en expérimentation animale COMETHEA (COMETHEA C2EA -45; protocol approval #12-058) on November 28, 2012.
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Affiliation(s)
- Bertrand Bryche
- Neurobiologie de l'olfaction, Institut National de Recherche Agronomique (INRA), Université Paris-Saclay, Jouy-en-Josas; Université de Versailles Saint-Quentin en Yvelines, Département de Biologie, Versailles, France
| | - Audrey Saint-Albin
- Neurobiologie de l'olfaction, Institut National de Recherche Agronomique (INRA), Université Paris-Saclay, Jouy-en-Josas, France
| | - Claire Le Poupon Schlegel
- Neurobiologie de l'olfaction, Institut National de Recherche Agronomique (INRA), Université Paris-Saclay, Jouy-en-Josas, France
| | - Christine Baly
- Neurobiologie de l'olfaction, Institut National de Recherche Agronomique (INRA), Université Paris-Saclay, Jouy-en-Josas, France
| | - Patrice Congar
- Neurobiologie de l'olfaction, Institut National de Recherche Agronomique (INRA), Université Paris-Saclay, Jouy-en-Josas, France
| | - Nicolas Meunier
- Neurobiologie de l'olfaction, Institut National de Recherche Agronomique (INRA), Université Paris-Saclay, Jouy-en-Josas; Université de Versailles Saint-Quentin en Yvelines, Département de Biologie, Versailles, France
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16
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Gil-Martín E, Egea J, Reiter RJ, Romero A. The emergence of melatonin in oncology: Focus on colorectal cancer. Med Res Rev 2019; 39:2239-2285. [PMID: 30950095 DOI: 10.1002/med.21582] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 03/04/2019] [Accepted: 03/16/2019] [Indexed: 12/17/2022]
Abstract
Within the last few decades, melatonin has increasingly emerged in clinical oncology as a naturally occurring bioactive molecule with substantial anticancer properties and a pharmacological profile optimal for joining the currently available pharmacopeia. In addition, extensive experimental data shows that this chronobiotic agent exerts oncostatic effects throughout all stages of tumor growth, from initial cell transformation to mitigation of malignant progression and metastasis; additionally, melatonin alleviates the side effects and improves the welfare of radio/chemotherapy-treated patients. Thus, the support of clinicians and oncologists for the use of melatonin in both the treatment and proactive prevention of cancer is gaining strength. Because of its epidemiological importance and symptomatic debut in advanced stages of difficult clinical management, colorectal cancer (CRC) is a preferential target for testing new therapies. In this regard, the development of effective forms of clinical intervention for the improvement of CRC outcome, specifically metastatic CRC, is urgent. At the same time, the need to reduce the costs of conventional anti-CRC therapy results is also imperative. In light of this status quo, the therapeutic potential of melatonin, and the direct and indirect critical processes of CRC malignancy it modulates, have aroused much interest. To illuminate the imminent future on CRC research, we focused our attention on the molecular mechanisms underlying the multiple oncostatic actions displayed by melatonin in the onset and evolution of CRC and summarized epidemiological evidence, as well as in vitro, in vivo and clinical findings that support the broadly protective potential demonstrated by melatonin.
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Affiliation(s)
- Emilio Gil-Martín
- Department of Biochemistry, Genetics and Immunology, Biomedical Research Center (CINBIO, 'Centro Singular de Investigación de Galicia'), University of Vigo, Vigo, Spain
| | - Javier Egea
- Molecular Neuroinflammation and Neuronal Plasticity Laboratory, Research Unit, Hospital Universitario Santa Cristina, Madrid, Spain.,Servicio de Farmacología Clínica, Instituto de Investigación Sanitaria, Hospital Universitario de la Princesa, Madrid, Spain.,Departamento de Farmacología y Terapéutica, Instituto-Fundación Teófilo Hernando, Universidad Autónoma de Madrid, Madrid, Spain
| | - Russel J Reiter
- Department of Cellular and Structural Biology, UT Health Science Center, San Antonio, Texas, USA
| | - Alejandro Romero
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, Madrid, Spain
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17
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Gu X, Han S, Cui M, Xue J, Ai L, Sun L, Zhu X, Wang Y, Liu C. Knockdown of endothelin receptor B inhibits the progression of triple-negative breast cancer. Ann N Y Acad Sci 2019; 1448:5-18. [PMID: 30900271 DOI: 10.1111/nyas.14039] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/24/2019] [Accepted: 01/31/2019] [Indexed: 12/17/2022]
Abstract
Endothelin receptor B (EDNRB) is one of the receptors in the endothelin axis and its upregulated expression is associated with tumorigenesis and metastasis of several types of solid tumors. However, the expression profile of EDNRB in breast cancer and its role in the progression of breast cancer are unclear. Here, we show that EDNRB expression is higher in metastatic tumors than in primary breast cancer, and is associated significantly with lymph node metastasis and poor survival in Chinese patients with breast cancer. EDNRB expression was particularly upregulated in triple-negative breast cancer (TNBC) cells. Moreover, EDNRB silencing by a specific shRNA significantly attenuated the proliferation, migration, and invasiveness of MDA-MB-231 and BT549 cells and increased their apoptosis, as well as retarded the growth of implanted tumors in mice. Tandem mass spectrometry analysis indicated that 248 proteins were differentially expressed in EDNRB-silenced cells and their cellular organelles, and these proteins participate in many processes. EDNRB silencing decreased protein kinase B and extracellular regulated protein kinase phosphorylation and promoted the mesenchymal-to-epithelial transition process in MDA-MB-231 cells. Therefore, our findings provide strong evidence for the first time that knockdown of EDNRB expression inhibits the progression of TNBC and that EDNRB can serve as a prognostic biomarker and therapeutic target for the treatment of TNBC.
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Affiliation(s)
- Xi Gu
- Department of Breast Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Shuai Han
- Department of Neurosurgery, the First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Meizi Cui
- Department of Cadre Ward, the First Hospital of Jilin University, Changchun, China
| | - Jinqi Xue
- Department of Breast Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Liping Ai
- Department of Breast Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Lisha Sun
- Department of Breast Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Xudong Zhu
- Department of Breast Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Yulun Wang
- Department of Breast Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Caigang Liu
- Department of Breast Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China
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18
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Dolcino M, Tinazzi E, Puccetti A, Lunardi C. In Systemic Sclerosis, a Unique Long Non Coding RNA Regulates Genes and Pathways Involved in the Three Main Features of the Disease (Vasculopathy, Fibrosis and Autoimmunity) and in Carcinogenesis. J Clin Med 2019; 8:jcm8030320. [PMID: 30866419 PMCID: PMC6462909 DOI: 10.3390/jcm8030320] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 02/25/2019] [Accepted: 03/04/2019] [Indexed: 12/11/2022] Open
Abstract
Systemic sclerosis (SSc) is an autoimmune disease characterized by three main features: vasculopathy, immune system dysregulation and fibrosis. Long non-coding RNAs (lncRNAs) may play a role in the pathogenesis of autoimmune diseases and a comprehensive analysis of lncRNAs expression in SSc is still lacking. We profiled 542,500 transcripts in peripheral blood mononuclear cells (PBMCs) from 20 SSc patients and 20 healthy donors using Clariom D arrays, confirming the results by Reverse Transcription Polymerase-chain reaction (RT-PCR). A total of 837 coding-genes were modulated in SSc patients, whereas only one lncRNA, heterogeneous nuclear ribonucleoprotein U processed transcript (ncRNA00201), was significantly downregulated. This transcript regulates tumor proliferation and its gene target hnRNPC (Heterogeneous nuclear ribonucleoproteins C) encodes for a SSc-associated auto-antigen. NcRNA00201 targeted micro RNAs (miRNAs) regulating the most highly connected genes in the Protein-Protein interaction (PPI) network of the SSc transcriptome. A total of 26 of these miRNAs targeted genes involved in pathways connected to the three main features of SSc and to cancer development including Epidermal growth factor (EGF) receptor, ErbB1 downstream, Sphingosine 1 phosphate receptor 1 (S1P1), Activin receptor-like kinase 1 (ALK1), Endothelins, Ras homolog family member A (RhoA), Class I Phosphoinositide 3-kinase (PI3K), mammalian target of rapamycin (mTOR), p38 mitogen-activated protein kinase (MAPK), Ras-related C3 botulinum toxin substrate 1 (RAC1), Transforming growth factor (TGF)-beta receptor, Myeloid differentiation primary response 88 (MyD88) and Toll-like receptors (TLRs) pathways. In SSc, the identification of a unique deregulated lncRNA that regulates genes involved in the three main features of the disease and in tumor-associated pathways, provides insight in disease pathogenesis and opens avenues for the design of novel therapeutic strategies.
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Affiliation(s)
- Marzia Dolcino
- Department of Medicine, University of Verona, 37134 Verona, Italy.
| | - Elisa Tinazzi
- Department of Medicine, University of Verona, 37134 Verona, Italy.
| | - Antonio Puccetti
- Department of Experimental Medicine, Section of Histology, University of Genova, 16132 Genova, Italy.
| | - Claudio Lunardi
- Department of Medicine, University of Verona, 37134 Verona, Italy.
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19
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Wallace K, Chatman K, Johnson V, Brookins A, Rushing J, LaMarca B. Novel treatment avenues for uterine leiomyoma: a new implication for endothelin? Clin Sci (Lond) 2018; 132:2261-2267. [PMID: 30301761 PMCID: PMC6614866 DOI: 10.1042/cs20180474] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 10/04/2018] [Accepted: 10/08/2018] [Indexed: 12/18/2022]
Abstract
Cysteine-rich angiogenic inducer 61 (CYR61), an angiogenic factor whose expression is decreased in fibroids. The aim of the present study was to determine if CYR61 secretion in smooth muscle cells (SMCs) is regulated by hypoxia and through the endothelin A (ETA) receptor. SMCs from fibroids (fSMC) and the adjacent myometrium smooth muscle cells (mSMCs) were extracted from ten women undergoing hysterectomy for uterine fibroids and cultured with or without 1.0 µM of an ETA receptor antagonist for 24 h under either normal or hypoxic oxygen conditions. Cellular secretion of endothelin-1 (ET-1) and CYR61 were measured via enzyme linked immunosorbent assay in the cell culture media. SMCs were collected to determine cell proliferation and CYR61 protein expression via Western blot. ET-1 secretion was significantly increased in fSMC and was decreased with blockade of the ETA receptor under both normoxia (P=0.0004) and hypoxia (P=0.008). CYR61 expression was decreased in fSMCs and significantly increased with blockade of the ETA receptor under hypoxia (P=0.04). Cell proliferation decreased with ETA blockade under normoxia (P=0.0001) and hypoxia (P=0.001). These results suggest that suppression of CYR61 secretion in fSMC is regulated by the ET-1 and that blockade with ETA could be considered for a future treatment option.
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Affiliation(s)
- Kedra Wallace
- Department of Obstetrics & Gynecology, University of Mississippi Medical Center, 2500 N. State St., Jackson, MS 39216, U.S.A.
| | - Krystal Chatman
- Department of Obstetrics & Gynecology, University of Mississippi Medical Center, 2500 N. State St., Jackson, MS 39216, U.S.A
| | - Venessia Johnson
- Department of Obstetrics & Gynecology, University of Mississippi Medical Center, 2500 N. State St., Jackson, MS 39216, U.S.A
| | - Alexis Brookins
- Department of Obstetrics & Gynecology, University of Mississippi Medical Center, 2500 N. State St., Jackson, MS 39216, U.S.A
| | - John Rushing
- Department of Obstetrics & Gynecology, University of Mississippi Medical Center, 2500 N. State St., Jackson, MS 39216, U.S.A
| | - Babbette LaMarca
- Department of Obstetrics & Gynecology, University of Mississippi Medical Center, 2500 N. State St., Jackson, MS 39216, U.S.A
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, 2500 N. State St., Jackson, MS 39216, U.S.A
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20
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Xu ES, Yang MH, Huang SC, Liu CY, Yang TT, Chou TY, Hwang TZ, Hsu CT. ECE-1 overexpression in head and neck cancer is associated with poor tumor differentiation and patient outcome. Oral Dis 2018; 25:44-53. [PMID: 29978582 DOI: 10.1111/odi.12935] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 07/03/2018] [Accepted: 07/03/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND Endothelin-converting enzyme-1 (ECE-1) primarily converts big endothelins (ETs) into active endothelin-1 (ET-1). However, the expression pattern and prognostication status of ECE-1 in head and neck cancer (HNC) are enigmatic. In this study, we investigated ECE-1 expression and assessed the roles of ECE-1 as a predictor for HNC differentiation and prognosis. MATERIALS AND METHODS ECE-1 expressions were evaluated by immunohistochemical analysis using a tissue microarray (TMA) composed of 100 cases of head and neck squamous cell carcinoma. The correlation of ECE-1 expression with clinicopathologic variables and patient outcomes was analyzed. RESULTS ECE-1 may be overexpressed in HNC carcinoma cells. Higher ECE-1 level was detected more frequently in moderately to poorly differentiated tumors and showed a lower differentiation category compared to the G1 cases (p = 0.015); this finding was further confirmed by an adjusted odds ratio (OR) of 4.071 (p = 0.042). Moreover, Kaplan-Meier survival analyses showed that a higher ECE-1 expression was associated with a poorer survival in patients with HNC (p < 0.0001). On multivariate Cox proportional hazards models analysis, ECE-1 of high expression proved to be an independent prognostic factor with a hazard ratio (HR) of 3.985 (p < 0.001). CONCLUSION Our data provide the first evidence that overexpression of ECE-1 in HNC is a predictor of poor tumor differentiation and prognosis.
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Affiliation(s)
- Enny-Sonia Xu
- Institute of Clinical Medicine, National Yang Ming University, Taipei, Taiwan.,Department of Otolaryngology, E-Da Hospital and I-Shou University, Kaohsiung, Taiwan
| | - Muh-Hwa Yang
- Institute of Clinical Medicine, National Yang Ming University, Taipei, Taiwan.,Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Shih-Che Huang
- Department of Internal Medicine, E-Da Hospital, Kaohsiung, Taiwan.,Department of Internal Medicine, Shosanbetsu Village Clinic, Hokkaido, Japan
| | - Chih-Yi Liu
- Department of Otolaryngology, E-Da Hospital and I-Shou University, Kaohsiung, Taiwan
| | - Ting-Ting Yang
- School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung, Taiwan
| | - Teh-Ying Chou
- Institute of Clinical Medicine, National Yang Ming University, Taipei, Taiwan.,Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Tzer-Zen Hwang
- Department of Otolaryngology, E-Da Hospital and I-Shou University, Kaohsiung, Taiwan
| | - Chao-Tien Hsu
- School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung, Taiwan.,Department of Pathology, E-Da Hospital, Kaohsiung, Taiwan
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21
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Abstract
Endothelins were discovered more than thirty years ago as potent vasoactive compounds. Beyond their well-documented cardiovascular properties, however, the contributions of the endothelin pathway have been demonstrated in several neuroinflammatory processes and the peptides have been reported as clinically relevant biomarkers in neurodegenerative diseases. Several studies report that endothelin-1 significantly contributes to the progression of neuroinflammatory processes, particularly during infections in the central nervous system (CNS), and is associated with a loss of endothelial integrity at the blood brain barrier level. Because of the paucity of clinical trials with endothelin-1 antagonists in several infectious and non-infectious neuroinflammatory diseases, it remains an open question whether the 21 amino acid peptide is a mediator/modulator rather than a biomarker of the progression of neurodegeneration. This review focuses on the potential roles of endothelins in the pathology of neuroinflammatory processes, including infectious diseases of viral, bacterial or parasitic origin in which the synthesis of endothelins or its pharmacology have been investigated from the cell to the bedside in several cases, as well as in non-infectious inflammatory processes such as neurodegenerative disorders like Alzheimers Disease or central nervous system vasculitis.
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22
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Delliaux C, Tian TV, Bouchet M, Fradet A, Vanpouille N, Flourens A, Deplus R, Villers A, Leroy X, Clézardin P, de Launoit Y, Bonnelye E, Duterque-Coquillaud M. TMPRSS2:ERG gene fusion expression regulates bone markers and enhances the osteoblastic phenotype of prostate cancer bone metastases. Cancer Lett 2018; 438:32-43. [PMID: 30201302 DOI: 10.1016/j.canlet.2018.08.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 07/31/2018] [Accepted: 08/26/2018] [Indexed: 12/11/2022]
Abstract
Prostate cancers have a strong propensity to metastasize to bone and promote osteoblastic lesions. TMPRSS2:ERG is the most frequent gene rearrangement identified in prostate cancer, but whether it is involved in prostate cancer bone metastases is largely unknown. We exploited an intratibial metastasis model to address this issue and we found that ectopic expression of the TMPRSS2:ERG fusion enhances the ability of prostate cancer cell lines to induce osteoblastic lesions by stimulating bone formation and inhibiting the osteolytic response. In line with these in vivo results, we demonstrate that the TMPRSS2:ERG fusion protein increases the expression of osteoblastic markers, including Collagen Type I Alpha 1 Chain and Alkaline Phosphatase, as well as Endothelin-1, a protein with a documented role in osteoblastic bone lesion formation. Moreover, we determined that the TMPRSS2:ERG fusion protein is bound to the regulatory regions of these genes in prostate cancer cell lines, and we report that the expression levels of these osteoblastic markers are correlated with the expression of the TMPRSS2:ERG fusion in patient metastasis samples. Taken together, our results reveal that the TMPRSS2:ERG gene fusion is involved in osteoblastic lesion formation induced by prostate cancer cells.
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Affiliation(s)
- Carine Delliaux
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - Mechanisms of Tumorigenesis and Target Therapies, F-59021, Lille, France; Montreal Clinical Research Institute (IRCM), QC H2W 1R7, Montreal, Canada
| | - Tian V Tian
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - Mechanisms of Tumorigenesis and Target Therapies, F-59021, Lille, France; Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Universitat Pompeu Fabra (UPF), Dr. Aiguader 88, S-08003, Barcelona, Spain
| | - Mathilde Bouchet
- Unité INSERM U1033, F-69372, Lyon, France; Université Claude Bernard Lyon 1, F-69008, Lyon, France
| | - Anais Fradet
- Unité INSERM U1033, F-69372, Lyon, France; Université Claude Bernard Lyon 1, F-69008, Lyon, France
| | - Nathalie Vanpouille
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - Mechanisms of Tumorigenesis and Target Therapies, F-59021, Lille, France
| | - Anne Flourens
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - Mechanisms of Tumorigenesis and Target Therapies, F-59021, Lille, France
| | - Rachel Deplus
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - Mechanisms of Tumorigenesis and Target Therapies, F-59021, Lille, France
| | - Arnauld Villers
- Département d'Urologie, CHRU, Université de Lille, F-59037, Lille, France
| | - Xavier Leroy
- Institut de Pathologie-Centre de Biologie-Pathologie, Centre Hospitalier Régional et Universitaire, F-59037, Lille, France
| | - Philippe Clézardin
- Unité INSERM U1033, F-69372, Lyon, France; Université Claude Bernard Lyon 1, F-69008, Lyon, France
| | - Yvan de Launoit
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - Mechanisms of Tumorigenesis and Target Therapies, F-59021, Lille, France
| | - Edith Bonnelye
- Unité INSERM U1033, F-69372, Lyon, France; Université Claude Bernard Lyon 1, F-69008, Lyon, France
| | - Martine Duterque-Coquillaud
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - Mechanisms of Tumorigenesis and Target Therapies, F-59021, Lille, France.
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23
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Vasaikar S, Tsipras G, Landázuri N, Costa H, Wilhelmi V, Scicluna P, Cui HL, Mohammad AA, Davoudi B, Shang M, Ananthaseshan S, Strååt K, Stragliotto G, Rahbar A, Wong KT, Tegner J, Yaiw KC, Söderberg-Naucler C. Overexpression of endothelin B receptor in glioblastoma: a prognostic marker and therapeutic target? BMC Cancer 2018; 18:154. [PMID: 29409474 PMCID: PMC5801893 DOI: 10.1186/s12885-018-4012-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Accepted: 01/22/2018] [Indexed: 01/07/2023] Open
Abstract
Background Glioblastoma (GBM) is the most common malignant brain tumor with median survival of 12-15 months. Owing to uncertainty in clinical outcome, additional prognostic marker(s) apart from existing markers are needed. Since overexpression of endothelin B receptor (ETBR) has been demonstrated in gliomas, we aimed to test whether ETBR is a useful prognostic marker in GBM and examine if the clinically available endothelin receptor antagonists (ERA) could be useful in the disease treatment. Methods Data from The Cancer Genome Atlas and the Gene Expression Omnibus database were analyzed to assess ETBR expression. For survival analysis, glioblastoma samples from 25 Swedish patients were immunostained for ETBR, and the findings were correlated with clinical history. The druggability of ETBR was assessed by protein-protein interaction network analysis. ERAs were analyzed for toxicity in in vitro assays with GBM and breast cancer cells. Results By bioinformatics analysis, ETBR was found to be upregulated in glioblastoma patients, and its expression levels were correlated with reduced survival. ETBR interacts with key proteins involved in cancer pathogenesis, suggesting it as a druggable target. In vitro viability assays showed that ERAs may hold promise to treat glioblastoma and breast cancer. Conclusions ETBR is overexpressed in glioblastoma and other cancers and may be a prognostic marker in glioblastoma. ERAs may be useful for treating cancer patients. Electronic supplementary material The online version of this article (10.1186/s12885-018-4012-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Suhas Vasaikar
- Unit of Computational Medicine, Center for Molecular Medicine, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Giorgos Tsipras
- Unit of Computational Medicine, Center for Molecular Medicine, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Natalia Landázuri
- Unit of Computational Medicine, Center for Molecular Medicine, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Helena Costa
- Cell and Molecular Immunology, Experimental Cardiovascular Unit, Departments of Medicine and Neurology, Center for Molecular Medicine, Karolinska Institutet, SE-171 76, Stockholm, Sweden
| | - Vanessa Wilhelmi
- Cell and Molecular Immunology, Experimental Cardiovascular Unit, Departments of Medicine and Neurology, Center for Molecular Medicine, Karolinska Institutet, SE-171 76, Stockholm, Sweden
| | - Patrick Scicluna
- Cell and Molecular Immunology, Experimental Cardiovascular Unit, Departments of Medicine and Neurology, Center for Molecular Medicine, Karolinska Institutet, SE-171 76, Stockholm, Sweden
| | - Huanhuan L Cui
- Cell and Molecular Immunology, Experimental Cardiovascular Unit, Departments of Medicine and Neurology, Center for Molecular Medicine, Karolinska Institutet, SE-171 76, Stockholm, Sweden
| | - Abdul-Aleem Mohammad
- Cell and Molecular Immunology, Experimental Cardiovascular Unit, Departments of Medicine and Neurology, Center for Molecular Medicine, Karolinska Institutet, SE-171 76, Stockholm, Sweden
| | - Belghis Davoudi
- Cell and Molecular Immunology, Experimental Cardiovascular Unit, Departments of Medicine and Neurology, Center for Molecular Medicine, Karolinska Institutet, SE-171 76, Stockholm, Sweden
| | - Mingmei Shang
- Unit of Computational Medicine, Center for Molecular Medicine, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Sharan Ananthaseshan
- Cell and Molecular Immunology, Experimental Cardiovascular Unit, Departments of Medicine and Neurology, Center for Molecular Medicine, Karolinska Institutet, SE-171 76, Stockholm, Sweden
| | - Klas Strååt
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | | | - Afsar Rahbar
- Cell and Molecular Immunology, Experimental Cardiovascular Unit, Departments of Medicine and Neurology, Center for Molecular Medicine, Karolinska Institutet, SE-171 76, Stockholm, Sweden
| | - Kum Thong Wong
- Department of Pathology, University of Malaya, Kuala Lumpur, Malaysia
| | - Jesper Tegner
- Unit of Computational Medicine, Center for Molecular Medicine, Department of Medicine, Karolinska Institutet, Stockholm, Sweden.,Biological and Environmental Sciences and Engineering Division (BESE), Computer, Electrical and Mathematical Sciences and Engineering Division (CEMSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Koon-Chu Yaiw
- Cell and Molecular Immunology, Experimental Cardiovascular Unit, Departments of Medicine and Neurology, Center for Molecular Medicine, Karolinska Institutet, SE-171 76, Stockholm, Sweden.
| | - Cecilia Söderberg-Naucler
- Cell and Molecular Immunology, Experimental Cardiovascular Unit, Departments of Medicine and Neurology, Center for Molecular Medicine, Karolinska Institutet, SE-171 76, Stockholm, Sweden.
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24
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Blockade of endothelin receptors reduces tumor-induced ongoing pain and evoked hypersensitivity in a rat model of facial carcinoma induced pain. Eur J Pharmacol 2018; 818:132-140. [DOI: 10.1016/j.ejphar.2017.10.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 10/18/2017] [Accepted: 10/20/2017] [Indexed: 12/11/2022]
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25
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Alrashdi SF, Deliyanti D, Talia DM, Wilkinson-Berka JL. Endothelin-2 Injures the Blood-Retinal Barrier and Macroglial Müller Cells: Interactions with Angiotensin II, Aldosterone, and NADPH Oxidase. THE AMERICAN JOURNAL OF PATHOLOGY 2017; 188:805-817. [PMID: 29248456 DOI: 10.1016/j.ajpath.2017.11.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 10/20/2017] [Accepted: 11/07/2017] [Indexed: 02/07/2023]
Abstract
Although increasing evidence indicates that endothelin-2 (Edn2) has distinct roles in tissue pathology, including inflammation, glial cell dysfunction, and angiogenesis, its role in the retina and the factors that regulate its actions are not fully understood. We hypothesized that Edn2 damages the blood-retinal barrier (BRB) and that this is mediated by interactions with the renin-angiotensin-aldosterone system and reactive oxygen species derived from NADPH oxidase (Nox). C57BL/6J mice received an intravitreal injection of Edn2 or control vehicle to examine the blood pressure-independent effects of Edn2. Mice administered Edn2 were randomized to receive by intraperitoneal injection treatments that inhibited the Edn type a receptor, Edn type b receptor, angiotensin type 1 receptor, mineralocorticoid receptor, or Nox isoforms 1 to 4. One month later, mice administered Edn2 exhibited breakdown of the BRB with increased vascular leakage, vascular endothelial growth factor expression, and infiltrating macrophages (Ly6C+CD45highCD11b+). Further, macroglial Müller cells, which influence the integrity of the BRB and prevent retinal edema, became gliotic and expressed increased levels of water (aquaporin-4) and ion (Kir4.1) channels. This Edn2-mediated retinopathy was reduced by all treatments. Complementary in vitro studies in cultured Müller cells supported these findings and demonstrated the importance of reactive oxygen species in mediating these events. In conclusion, Edn2 has detrimental effects on the BRB and Müller cells that involve interactions with the renin-angiotensin aldosterone system and Nox1/4.
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Affiliation(s)
- Saeed F Alrashdi
- Department of Diabetes, Monash University, Melbourne, Victoria, Australia
| | - Devy Deliyanti
- Department of Diabetes, Monash University, Melbourne, Victoria, Australia
| | - Dean M Talia
- Department of Diabetes, Monash University, Melbourne, Victoria, Australia
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26
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Johnson MG, Konicke K, Kristianto J, Gustavson A, Garbo R, Wang X, Yuan B, Blank RD. Endothelin signaling regulates mineralization and posttranscriptionally regulates SOST in TMOb cells via miR 126-3p. Physiol Rep 2017; 5:5/4/e13088. [PMID: 28235973 PMCID: PMC5328763 DOI: 10.14814/phy2.13088] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 11/14/2016] [Accepted: 11/15/2016] [Indexed: 11/24/2022] Open
Abstract
Previously, our laboratory identified ECE‐1, encoding endothelin‐converting enzyme‐1 (ECE‐1), as a positional candidate for a pleiotropic quantitative trait locus affecting femoral size, shape, and biomechanical performance. We hypothesized that endothelin‐1 (ET‐1) signaling promotes osteogenesis. Exposure of immortalized mouse osteoblast (TMOb) cells to big ET‐1 increased mineralization. Following big ET‐1 treatment, we measured the secretion of insulin‐like‐growth factor‐1 (IGF1), dickkopf‐homolog‐1 protein 1 (DKK1), and sclerostin (SOST). In each case, big ET‐1 signaling changed secretion in a manner that favored increased osteogenic activity. Treatment with ECE‐1, endothelin receptor A (EDNRA), or WNT receptor antagonists inhibited the big ET‐1‐mediated increase in mineralization. In the presence of big ET‐1, message levels of Runx2, Igf1, Dkk1, and Sost are uncoupled from protein production, suggesting posttranscriptional regulation. To evaluate the role of big ET‐1 in normal bone physiology, we inhibited EDNRA signaling during mineralization in the absence of exogenous ET‐1. EDNRA blockade reduced mineralization, decreased IGF1, and increased DKK1 and SOST secretion, responses opposite to those induced by exogenous big ET‐1. Pharmacological and siRNA knockdown to inhibit ECE‐1 reduced mineralization and IGF1 secretion with decreasing DKK1 and decreasing or stable SOST secretion, suggesting a further, unknown role of ECE‐1 in osteoblast maturation. Previously we identified miR 126‐3p as a potential ET‐1‐responsive regulator of SOST in murine cells. Overexpression of miR126‐3p increased mineralization in TMOb cells and decreased SOST secretion. Osteoblasts express the ET‐1 signaling pathway and ET‐1 signaling is necessary for normal osteoblast differentiation and mineralization, acting through regulation of miRs that target osteogenic molecules.
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Affiliation(s)
- Michael G Johnson
- Geriatrics Research, Education and Clinical Center, William S. Middleton Veterans Affairs Hospital, Madison, Wisconsin .,Division of Endocrinology, Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin
| | - Kathryn Konicke
- Medical Service, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin.,Division of Endocrinology, Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Jasmin Kristianto
- Geriatrics Research, Education and Clinical Center, William S. Middleton Veterans Affairs Hospital, Madison, Wisconsin.,Division of Endocrinology, Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin
| | - Anne Gustavson
- Geriatrics Research, Education and Clinical Center, William S. Middleton Veterans Affairs Hospital, Madison, Wisconsin.,Division of Endocrinology, Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin
| | - Rachel Garbo
- Geriatrics Research, Education and Clinical Center, William S. Middleton Veterans Affairs Hospital, Madison, Wisconsin.,Division of Endocrinology, Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin
| | - Xiaohu Wang
- Medical Service, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin.,Division of Endocrinology, Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Baozhi Yuan
- Geriatrics Research, Education and Clinical Center, William S. Middleton Veterans Affairs Hospital, Madison, Wisconsin.,Division of Endocrinology, Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin
| | - Robert D Blank
- Geriatrics Research, Education and Clinical Center, William S. Middleton Veterans Affairs Hospital, Madison, Wisconsin.,Medical Service, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin.,Division of Endocrinology, Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin
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27
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Maffei R, Fiorcari S, Vaisitti T, Martinelli S, Benatti S, Debbia G, Rossi D, Zucchini P, Potenza L, Luppi M, Gaidano G, Deaglio S, Marasca R. Macitentan, a double antagonist of endothelin receptors, efficiently impairs migration and microenvironmental survival signals in chronic lymphocytic leukemia. Oncotarget 2017; 8:90013-90027. [PMID: 29163807 PMCID: PMC5685728 DOI: 10.18632/oncotarget.21341] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Accepted: 07/25/2017] [Indexed: 12/21/2022] Open
Abstract
The crosstalk between chronic lymphocytic leukemia (CLL) cells and tumor microenvironment is essential for leukemic clone maintenance, supporting CLL cells survival, proliferation and protection from drug-induced apoptosis. Over the past years, the role of several soluble factors involved in these processes has been studied. CLL cells express higher levels of endothelin 1 (ET-1) and ETA receptor as compared to normal B cells. Upon ET-1 stimulation, CLL cells improve their survival and proliferation and reduce their sensitivity to the phosphoinositide-3-kinase δ inhibitor idelalisib and to fludarabine. Here, we demonstrate that CLL cells express not only ETA receptor but also ETB receptor. ET-1 acts as a homing factor supporting CLL cells migration and adhesion to microenvironmental cells. In addition, ET-1 stimulates a pro-angiogenic profile of CLL cells increasing VEGF expression through hypoxia-inducible factor-1 (HIF-1α) accumulation in CLL cells. Macitentan, a specific dual inhibitor of ETA and ETB receptors, targets CLL cells affecting leukemic cells migration and adhesion and overcoming the pro-survival and proliferation signals mediated by microenvironment. Furthermore, macitentan cooperates with ibrutinib inhibiting the BCR pathway and with ABT-199 disrupting BCL2 pathway. Our data describe the biological effects of a new drug, macitentan, able to counteract essential processes in CLL pathobiology as survival, migration, trafficking and drug resistance. These findings envision the possibility to interfere with ET receptors activity using macitentan as a possible novel therapeutic strategy for CLL patients.
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Affiliation(s)
- Rossana Maffei
- Division of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy.,Department of Oncology, Hematology and Respiratory Track Diseases, Azienda Ospedaliero - Universitaria Policlinico di Modena, Modena, Italy
| | - Stefania Fiorcari
- Division of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Tiziana Vaisitti
- Department of Medical Sciences, University of Turin and Human Genetics Foundation, Turin, Italy
| | - Silvia Martinelli
- Division of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Stefania Benatti
- Division of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Giulia Debbia
- Division of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Davide Rossi
- Division of Hematology, Oncology Institute of Southern Switzerland and Institute of Oncology Research, Bellinzona, Switzerland.,Division of Hematology, Department of Clinical and Experimental Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
| | - Patrizia Zucchini
- Division of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Leonardo Potenza
- Division of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Mario Luppi
- Division of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Gianluca Gaidano
- Division of Hematology, Department of Clinical and Experimental Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
| | - Silvia Deaglio
- Department of Medical Sciences, University of Turin and Human Genetics Foundation, Turin, Italy
| | - Roberto Marasca
- Division of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
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28
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Wang Y, Wang J, Zhang L, Karatas OF, Shao L, Zhang Y, Castro P, Creighton CJ, Ittmann M. RGS12 Is a Novel Tumor-Suppressor Gene in African American Prostate Cancer That Represses AKT and MNX1 Expression. Cancer Res 2017; 77:4247-4257. [PMID: 28611045 DOI: 10.1158/0008-5472.can-17-0669] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Revised: 05/16/2017] [Accepted: 06/08/2017] [Indexed: 12/14/2022]
Abstract
African American (AA) men exhibit a relatively high incidence and mortality due to prostate cancer even after adjustment for socioeconomic factors, but the biological basis for this disparity is unclear. Here, we identify a novel region on chromosome 4p16.3 that is lost selectively in AA prostate cancer. The negative regulator of G-protein signaling RGS12 was defined as the target of 4p16.3 deletions, although it has not been implicated previously as a tumor-suppressor gene. RGS12 transcript levels were relatively reduced in AA prostate cancer, and prostate cancer cell lines showed decreased RGS12 expression relative to benign prostate epithelial cells. Notably, RGS12 exhibited potent tumor-suppressor activity in prostate cancer and prostate epithelial cell lines in vitro and in vivo We found that RGS12 expression correlated negatively with the oncogene MNX1 and regulated its expression in vitro and in vivo Further, MNX1 was regulated by AKT activity, and RGS12 expression decreased total and activated AKT levels. Our findings identify RGS12 as a candidate tumor-suppressor gene in AA prostate cancer, which acts by decreasing expression of AKT and MNX1, establishing a novel oncogenic axis in this disparate disease setting. Cancer Res; 77(16); 4247-57. ©2017 AACR.
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Affiliation(s)
- Yongquan Wang
- Department of Urology, Southwest Hospital, Third Military Medical University, Chongqing, China.,Department of Pathology and Immunology, Baylor College of Medicine and Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, Texas
| | - Jianghua Wang
- Department of Pathology and Immunology, Baylor College of Medicine and Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, Texas
| | - Li Zhang
- Department of Pathology and Immunology, Baylor College of Medicine and Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, Texas.,Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Third Military Medical University, Chongqing, China
| | - Omer Faruk Karatas
- Department of Pathology and Immunology, Baylor College of Medicine and Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, Texas
| | - Longjiang Shao
- Department of Pathology and Immunology, Baylor College of Medicine and Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, Texas
| | - Yiqun Zhang
- Dan L. Duncan Cancer Comprehensive Cancer Center Division of Biostatistics, Baylor College of Medicine, Houston, Texas
| | - Patricia Castro
- Department of Pathology and Immunology, Baylor College of Medicine and Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, Texas
| | - Chad J Creighton
- Dan L. Duncan Cancer Comprehensive Cancer Center Division of Biostatistics, Baylor College of Medicine, Houston, Texas.,Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Michael Ittmann
- Department of Pathology and Immunology, Baylor College of Medicine and Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, Texas.
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29
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Russignan A, Spina C, Tamassia N, Cassaro A, Rigo A, Bagnato A, Rosanò L, Bonalumi A, Gottardi M, Zanatta L, Giacomazzi A, Scupoli MT, Tinelli M, Salvadori U, Mosna F, Zamò A, Cassatella MA, Vinante F, Tecchio C. Endothelin-1 receptor blockade as new possible therapeutic approach in multiple myeloma. Br J Haematol 2017; 178:781-793. [DOI: 10.1111/bjh.14771] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 04/14/2017] [Indexed: 01/31/2023]
Affiliation(s)
- Anna Russignan
- Haematology and Bone-Marrow Transplant Unit; Department of Medicine; Verona University; Verona Italy
| | - Cecilia Spina
- Haematology and Bone-Marrow Transplant Unit; Department of Medicine; Verona University; Verona Italy
| | - Nicola Tamassia
- Section of General Pathology; Department of Medicine; Verona University; Verona Italy
| | - Adriana Cassaro
- Haematology and Bone-Marrow Transplant Unit; Department of Medicine; Verona University; Verona Italy
| | - Antonella Rigo
- Haematology and Bone-Marrow Transplant Unit; Department of Medicine; Verona University; Verona Italy
| | - Anna Bagnato
- Preclinical Models and New Therapeutic Agents Unit; Regina Elena National Cancer Institute; Rome Italy
| | - Laura Rosanò
- Preclinical Models and New Therapeutic Agents Unit; Regina Elena National Cancer Institute; Rome Italy
| | - Angela Bonalumi
- Haematology and Bone-Marrow Transplant Unit; Department of Medicine; Verona University; Verona Italy
| | | | - Lucia Zanatta
- Pathology Unit; Ospedale Regionale Cà Foncello; Treviso Italy
| | - Alice Giacomazzi
- Haematology and Bone-Marrow Transplant Unit; Department of Medicine; Verona University; Verona Italy
| | - Maria Teresa Scupoli
- Interdepartmental Laboratory for Medical Research (LURM); Verona University; Verona Italy
| | - Martina Tinelli
- Haematology and Bone-Marrow Transplant Unit; Department of Medicine; Verona University; Verona Italy
| | - Ugo Salvadori
- Haematology and Bone-Marrow Transplant Unit; Department of Medicine; Verona University; Verona Italy
| | - Federico Mosna
- Haematology Unit; Ospedale Regionale Cà Foncello; Treviso Italy
| | - Alberto Zamò
- Section of Pathology; Department of Pathology and Diagnostic; Verona University; Verona Italy
| | - Marco A. Cassatella
- Section of General Pathology; Department of Medicine; Verona University; Verona Italy
| | - Fabrizio Vinante
- Haematology and Bone-Marrow Transplant Unit; Department of Medicine; Verona University; Verona Italy
| | - Cristina Tecchio
- Haematology and Bone-Marrow Transplant Unit; Department of Medicine; Verona University; Verona Italy
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Richard S, Boucher M, Saric A, Herbet A, Lalatonne Y, Petit PX, Mériaux S, Boquet D, Motte L. Optimization of pegylated iron oxide nanoplatforms for antibody coupling and bio-targeting. J Mater Chem B 2017; 5:2896-2907. [PMID: 32263983 DOI: 10.1039/c6tb03080g] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
PEGylation has been established as a valuable strategy to minimize nanoparticle clearance by the reticulo-endothelial system due to hydrophilicity and steric repulsion of PEG chains. In this study we functionalized superparamagnetic iron oxide nanoparticle surface with two PEG differing in their length (n = 23 and 44) and terminal functionality, COOH and CH3. By varying the ratio of the two different PEG, we optimized the molecular architecture of the nanoplatform to obtain maximum stability and low toxicity under physiological conditions. The best nanoplatform was evaluated as MRI contrast for mouse brain vascularization imaging at 7 T. The carboxylic acid functions of the nanoplatform were used to covalently bind an antibody, Ab. This antibody, labeled with a fluorophore, targets the ETA receptor, a G-protein-coupled receptor involved in the endothelin axis and overexpressed in various solid tumours, including ovarian, prostate, colon, breast, bladder and lung cancers. In vitro studies, performed by flow cytometry and magnetic quantification, showed the targeting efficiency of the Ab-nanoplatforms. Clearly, an imaging tracer for cancer diagnosis from a bimodal contrast agent (fluorescence and MRI) was thus obtained.
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Affiliation(s)
- S Richard
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057, CNRS and Université Paris Diderot, 75205 Paris Cedex 05, France
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Moody TW, Ramos-Alvarez I, Moreno P, Mantey SA, Ridnour L, Wink D, Jensen RT. Endothelin causes transactivation of the EGFR and HER2 in non-small cell lung cancer cells. Peptides 2017; 90:90-99. [PMID: 28153500 PMCID: PMC5421360 DOI: 10.1016/j.peptides.2017.01.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 01/18/2017] [Accepted: 01/24/2017] [Indexed: 12/25/2022]
Abstract
Endothelin (ET)-1 is an important peptide in cancer progression stimulating cellular proliferation, tumor angiogenesis and metastasis. ET-1 binds with high affinity to the ETA receptor (R) and ETBR on cancer cells. High levels of tumor ET-1 and ETAR are associated with poor survival of lung cancer patients. Here the effects of ET-1 on epidermal growth factor (EGF)R and HER2 transactivation were investigated using non-small cell lung cancer (NSCLC) cells. ETAR mRNA was present in all 10 NSCLC cell lines examined. Addition of ET-1 to NCI-H838 or H1975 cells increased EGFR, HER2 and ERK tyrosine phosphorylation within 2min. The increase in EGFR and HER2 transactivation caused by ET-1 addition to NSCLC cells was inhibited by lapatinib (EGFR and HER2 tyrosine kinase inhibitor (TKI)), gefitinib (EGFR TKI), ZD4054 or BQ-123 (ETAR antagonist), GM6001 (matrix metalloprotease inhibitor), PP2 (Src inhibitor) or Tiron (superoxide scavenger). ET-1 addition to NSCLC cells increased cytosolic Ca2+ and reactive oxygen species. ET-1 increased NSCLC clonal growth, whereas BQ123, ZD4054, lapatinib or gefitinib inhibited proliferation. The results indicate that ET-1 may regulate NSCLC cellular proliferation in an EGFR- and HER2-dependent manner.
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Affiliation(s)
- Terry W Moody
- Department of Health and Human Services, National Cancer Institute, Center for Cancer Research, Office of the Director, Bethesda, MD 20892, United States.
| | - Irene Ramos-Alvarez
- National Institutes of Health, National Institute of Diabetes, Digestive and Kidney Disease, Digestive Diseases Branch, Bethesda, MD 20892, United States
| | - Paula Moreno
- National Institutes of Health, National Institute of Diabetes, Digestive and Kidney Disease, Digestive Diseases Branch, Bethesda, MD 20892, United States
| | - Samuel A Mantey
- National Institutes of Health, National Institute of Diabetes, Digestive and Kidney Disease, Digestive Diseases Branch, Bethesda, MD 20892, United States
| | - Lisa Ridnour
- National Cancer Institute, Cancer Inflammation Program, Frederick, MD 21702, United States
| | - David Wink
- National Cancer Institute, Cancer Inflammation Program, Frederick, MD 21702, United States
| | - Robert T Jensen
- National Institutes of Health, National Institute of Diabetes, Digestive and Kidney Disease, Digestive Diseases Branch, Bethesda, MD 20892, United States
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Yang S, Chen X, Pan Y, Yu J, Li X, Ma S. Proteins associated with EGFR-TKIs resistance in patients with non-small cell lung cancer revealed by mass spectrometry. Mol Med Rep 2016; 14:4823-4829. [DOI: 10.3892/mmr.2016.5823] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Accepted: 09/13/2016] [Indexed: 11/05/2022] Open
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Endothelin-1 Treatment Induces an Experimental Cerebral Malaria-Like Syndrome in C57BL/6 Mice Infected with Plasmodium berghei NK65. THE AMERICAN JOURNAL OF PATHOLOGY 2016; 186:2957-2969. [PMID: 27640146 DOI: 10.1016/j.ajpath.2016.07.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2015] [Revised: 06/06/2016] [Accepted: 07/11/2016] [Indexed: 12/22/2022]
Abstract
Plasmodium berghei ANKA infection of C57BL/6 mice is a widely used model of experimental cerebral malaria (ECM). By contrast, the nonneurotropic P. berghei NK65 (PbN) causes severe malarial disease in C57BL/6 mice but does not cause ECM. Previous studies suggest that endothelin-1 (ET-1) contributes to the pathogenesis of ECM. In this study, we characterize the role of ET-1 on ECM vascular dysfunction. Mice infected with 106 PbN-parasitized red blood cells were treated with either ET-1 or saline from 2 to 8 days postinfection (dpi). Plasmodium berghei ANKA-infected mice served as the positive control. ET-1-treated PbN-infected mice exhibited neurological signs, hypothermia, and behavioral alterations characteristic of ECM, dying 4 to 8 dpi. Parasitemia was not affected by ET-1 treatment. Saline-treated PbN-infected mice did not display ECM, surviving until 12 dpi. ET-1-treated PbN-infected mice displayed leukocyte adhesion to the vascular endothelia and petechial hemorrhages throughout the brain at 6 dpi. Intravital microscopic images demonstrated significant brain arteriolar vessel constriction, decreased functional capillary density, and increased blood-brain barrier permeability. These alterations were not present in either ET-1-treated uninfected or saline-treated PbN-infected mice. In summary, ET-1 treatment of PbN-infected mice induced an ECM-like syndrome, causing brain vasoconstriction, adherence of activated leukocytes in the cerebral microvasculature, and blood-brain barrier leakage, indicating that ET-1 is involved in the genesis of brain microvascular alterations that are the hallmark of ECM.
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Endothelin-1 (ET-1) induces resistance to bortezomib in human multiple myeloma cells via a pathway involving the ETB receptor and upregulation of proteasomal activity. J Cancer Res Clin Oncol 2016; 142:2141-58. [PMID: 27530445 DOI: 10.1007/s00432-016-2216-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Accepted: 08/04/2016] [Indexed: 01/24/2023]
Abstract
PURPOSE Bortezomib (BTZ) is used for the treatment of multiple myeloma (MM). However, a significant proportion of patients may be refractory to the drug. This study aimed to investigate whether the endothelin (ET-1) axis may act as an escape mechanism to treatment with bortezomib in MM cells. METHODS NCI-H929 and RPMI-8226 (human MM cell lines) were cultured with or without ET-1, BTZ, and inhibitors of the endothelin receptors. ET-1 levels were determined by ELISA, while the protein levels of its receptors and of the PI3K and MAPK pathways' components by western blot. Effects of ET-1 on cell proliferation were studied by MTT and on the ubiquitin proteasome pathway by assessing the chymotryptic activity of the 20S proteasome in cell lysates. RESULTS Endothelin receptors A and B (ETAR and ETBR, respectively) were found to be expressed in both cell lines, with the RPMI-8226 cells that are considered resistant to BTZ, expressing higher levels of ETBR and in addition secreting ET-1. Treatment of the NCI-H929 cells with ET-1 increased proliferation, while co-incubation of these cells with ET-1 and BTZ decreased BTZ efficacy with concomitant upregulation of 20S proteasomal activity. Si-RNA silencing or chemical blockade of ETBR abrogated the protective effects of ET-1. Finally, data suggest that the predominant signaling pathway involved in ET-1/ETBR-induced BTZ resistance in MM cells may be the MAPK pathway. CONCLUSION Our data suggest a possible role of the ET-1/ETBR axis in regulating the sensitivity of MM cells to BTZ. Thus, combining bortezomib with strategies to target the ET-1 axis could prove to be a novel promising therapeutic approach in MM.
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Aubert JD, Juillerat-Jeanneret L. Endothelin-Receptor Antagonists beyond Pulmonary Arterial Hypertension: Cancer and Fibrosis. J Med Chem 2016; 59:8168-88. [PMID: 27266371 DOI: 10.1021/acs.jmedchem.5b01781] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The endothelin axis and in particular the two endothelin receptors, ETA and ETB, are targets for therapeutic intervention in human diseases. Endothelin-receptor antagonists are in clinical use to treat pulmonary arterial hypertension and have been under clinical investigation for the treatment of several other diseases, such as systemic hypertension, cancer, vasospasm, and fibrogenic diseases. In this Perspective, we review the molecules that have been evaluated in human clinical trials for the treatment of pulmonary arterial hypertension, as well as other cardiovascular diseases, cancer, and fibrosis. We will also discuss the therapeutic consequences of receptor selectivity with regard to ETA-selective, ETB-selective, or dual ETA/ETB antagonists. We will also consider which chemical characteristics are relevant to clinical use and the properties of molecules necessary for efficacy in treating diseases against which known molecules displayed suboptimal efficacy.
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Affiliation(s)
- John-David Aubert
- Pneumology Division and Transplantation Center, Centre Hospitalier Universitaire Vaudois (CHUV) , CH1011 Lausanne, Switzerland
| | - Lucienne Juillerat-Jeanneret
- University Institute of Pathology and Transplantation Center, Centre Hospitalier Universitaire Vaudois (CHUV), and University of Lausanne (UNIL), CH1011 Lausanne, Switzerland
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Olender J, Nowakowska-Zajdel E, Kruszniewska-Rajs C, Orchel J, Mazurek U, Wierzgoń A, Kokot T, Muc-Wierzgoń M. Epigenetic silencing of endothelin-3 in colorectal cancer. Int J Immunopathol Pharmacol 2016; 29:333-40. [PMID: 26684626 PMCID: PMC5806725 DOI: 10.1177/0394632015600371] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 06/16/2015] [Indexed: 11/15/2022] Open
Abstract
Endothelins are expressed in a variety of human tissue and are involved in the processes as proliferation, migration and differentiation. The signal transduction pathway is a result of the endothelin-1-3 (ET1-3) binding to their receptors (ETAR, ETBR). ET-3 is a new candidate tumour suppressor gene, which is often downregulated or silenced in human cancer.The aim of the study was to examine DNA methylation of ET-3 genes in colorectal cancer (CRC) tissue samples in relation to the clinical stage (CS) of cancer. The paper is a continuation of our previously published results, which showed a four-fold transcriptional silencing of the ET-3 gene in the samples of colorectal cancer in comparison to normal tissues.A total of 66 paired CRC and normal (surgical margin) tissue samples were used in the study. The tumour tissues were collected from CRC patients in CS I-IV according the 7th edition of UICC TNM Classification of Malignant Tumours (CS I, n = 8; CS II, n = 20; CS III, n = 27; CS IV, n = 11). Assessment of epigenetic silencing of the ET-3 encoding gene was performed in three steps. The silencing of the ET-3 encoding gene was a result from methylation of the promoter sequence using methylation-specific PCR (MS-PCR). Analyses were performed using primers complementary for a CpG island in the first exon of the gene encoding ET-3. An epigenetic silence through methylation of 7.5% (5/66) in comparison to control was observed, including 10% of CS II (2/20), 7% of CS III (2/27) and 9% of CS IV (1/11). The controls and the samples of tumour in CS I showed no epigenetic silencing via methylation. In conclusion, epigenetic silencing of ET-3 in CRC could play a role in the progression than in the induction process. EDN3 would be a future target for epigenetic therapy in colorectal cancer, but further clinical studies are needed.
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Affiliation(s)
- J Olender
- School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Department of Molecular Biology, Sosnowiec, Poland
| | - E Nowakowska-Zajdel
- School of Public Health, Medical University of Silesia, Department of Internal Diseases, Bytom, Poland
| | - C Kruszniewska-Rajs
- School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Department of Molecular Biology, Sosnowiec, Poland
| | - J Orchel
- School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Department of Molecular Biology, Sosnowiec, Poland
| | - U Mazurek
- School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Department of Molecular Biology, Sosnowiec, Poland
| | - A Wierzgoń
- Faculty of Energy and Environmental Engineering, Silesian University of Technology, Gliwice, Poland
| | - T Kokot
- School of Public Health, Medical University of Silesia, Department of Internal Diseases, Bytom, Poland
| | - M Muc-Wierzgoń
- School of Public Health, Medical University of Silesia, Department of Internal Diseases, Bytom, Poland
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Endothelin-1 genetic polymorphism as predictive marker for bevacizumab in metastatic breast cancer. THE PHARMACOGENOMICS JOURNAL 2016; 17:344-350. [DOI: 10.1038/tpj.2016.25] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 02/03/2016] [Accepted: 02/26/2016] [Indexed: 11/08/2022]
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Davenport AP, Hyndman KA, Dhaun N, Southan C, Kohan DE, Pollock JS, Pollock DM, Webb DJ, Maguire JJ. Endothelin. Pharmacol Rev 2016; 68:357-418. [PMID: 26956245 PMCID: PMC4815360 DOI: 10.1124/pr.115.011833] [Citation(s) in RCA: 462] [Impact Index Per Article: 57.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The endothelins comprise three structurally similar 21-amino acid peptides. Endothelin-1 and -2 activate two G-protein coupled receptors, ETA and ETB, with equal affinity, whereas endothelin-3 has a lower affinity for the ETA subtype. Genes encoding the peptides are present only among vertebrates. The ligand-receptor signaling pathway is a vertebrate innovation and may reflect the evolution of endothelin-1 as the most potent vasoconstrictor in the human cardiovascular system with remarkably long lasting action. Highly selective peptide ETA and ETB antagonists and ETB agonists together with radiolabeled analogs have accurately delineated endothelin pharmacology in humans and animal models, although surprisingly no ETA agonist has been discovered. ET antagonists (bosentan, ambrisentan) have revolutionized the treatment of pulmonary arterial hypertension, with the next generation of antagonists exhibiting improved efficacy (macitentan). Clinical trials continue to explore new applications, particularly in renal failure and for reducing proteinuria in diabetic nephropathy. Translational studies suggest a potential benefit of ETB agonists in chemotherapy and neuroprotection. However, demonstrating clinical efficacy of combined inhibitors of the endothelin converting enzyme and neutral endopeptidase has proved elusive. Over 28 genetic modifications have been made to the ET system in mice through global or cell-specific knockouts, knock ins, or alterations in gene expression of endothelin ligands or their target receptors. These studies have identified key roles for the endothelin isoforms and new therapeutic targets in development, fluid-electrolyte homeostasis, and cardiovascular and neuronal function. For the future, novel pharmacological strategies are emerging via small molecule epigenetic modulators, biologicals such as ETB monoclonal antibodies and the potential of signaling pathway biased agonists and antagonists.
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Affiliation(s)
- Anthony P Davenport
- Experimental Medicine and Immunotherapeutics, University of Cambridge, Cambridge, United Kingdom (A.P.D., J.J.M.); IUPHAR/BPS Guide to PHARMACOLOGY, Centre for Integrative Physiology, University of Edinburgh, Hugh Robson Building, Edinburgh, United Kingdom (C.S.); Division of Nephrology, University of Utah Health Sciences Center, Salt Lake City, Utah (D.E.K.); Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama (K.A.H., J.S.P., D.M.P.); and Department of Renal Medicine, Royal Infirmary of Edinburgh (N.D.) and University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute (D.J.W.N.D.), Edinburgh, Scotland, United Kingdom
| | - Kelly A Hyndman
- Experimental Medicine and Immunotherapeutics, University of Cambridge, Cambridge, United Kingdom (A.P.D., J.J.M.); IUPHAR/BPS Guide to PHARMACOLOGY, Centre for Integrative Physiology, University of Edinburgh, Hugh Robson Building, Edinburgh, United Kingdom (C.S.); Division of Nephrology, University of Utah Health Sciences Center, Salt Lake City, Utah (D.E.K.); Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama (K.A.H., J.S.P., D.M.P.); and Department of Renal Medicine, Royal Infirmary of Edinburgh (N.D.) and University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute (D.J.W.N.D.), Edinburgh, Scotland, United Kingdom
| | - Neeraj Dhaun
- Experimental Medicine and Immunotherapeutics, University of Cambridge, Cambridge, United Kingdom (A.P.D., J.J.M.); IUPHAR/BPS Guide to PHARMACOLOGY, Centre for Integrative Physiology, University of Edinburgh, Hugh Robson Building, Edinburgh, United Kingdom (C.S.); Division of Nephrology, University of Utah Health Sciences Center, Salt Lake City, Utah (D.E.K.); Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama (K.A.H., J.S.P., D.M.P.); and Department of Renal Medicine, Royal Infirmary of Edinburgh (N.D.) and University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute (D.J.W.N.D.), Edinburgh, Scotland, United Kingdom
| | - Christopher Southan
- Experimental Medicine and Immunotherapeutics, University of Cambridge, Cambridge, United Kingdom (A.P.D., J.J.M.); IUPHAR/BPS Guide to PHARMACOLOGY, Centre for Integrative Physiology, University of Edinburgh, Hugh Robson Building, Edinburgh, United Kingdom (C.S.); Division of Nephrology, University of Utah Health Sciences Center, Salt Lake City, Utah (D.E.K.); Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama (K.A.H., J.S.P., D.M.P.); and Department of Renal Medicine, Royal Infirmary of Edinburgh (N.D.) and University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute (D.J.W.N.D.), Edinburgh, Scotland, United Kingdom
| | - Donald E Kohan
- Experimental Medicine and Immunotherapeutics, University of Cambridge, Cambridge, United Kingdom (A.P.D., J.J.M.); IUPHAR/BPS Guide to PHARMACOLOGY, Centre for Integrative Physiology, University of Edinburgh, Hugh Robson Building, Edinburgh, United Kingdom (C.S.); Division of Nephrology, University of Utah Health Sciences Center, Salt Lake City, Utah (D.E.K.); Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama (K.A.H., J.S.P., D.M.P.); and Department of Renal Medicine, Royal Infirmary of Edinburgh (N.D.) and University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute (D.J.W.N.D.), Edinburgh, Scotland, United Kingdom
| | - Jennifer S Pollock
- Experimental Medicine and Immunotherapeutics, University of Cambridge, Cambridge, United Kingdom (A.P.D., J.J.M.); IUPHAR/BPS Guide to PHARMACOLOGY, Centre for Integrative Physiology, University of Edinburgh, Hugh Robson Building, Edinburgh, United Kingdom (C.S.); Division of Nephrology, University of Utah Health Sciences Center, Salt Lake City, Utah (D.E.K.); Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama (K.A.H., J.S.P., D.M.P.); and Department of Renal Medicine, Royal Infirmary of Edinburgh (N.D.) and University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute (D.J.W.N.D.), Edinburgh, Scotland, United Kingdom
| | - David M Pollock
- Experimental Medicine and Immunotherapeutics, University of Cambridge, Cambridge, United Kingdom (A.P.D., J.J.M.); IUPHAR/BPS Guide to PHARMACOLOGY, Centre for Integrative Physiology, University of Edinburgh, Hugh Robson Building, Edinburgh, United Kingdom (C.S.); Division of Nephrology, University of Utah Health Sciences Center, Salt Lake City, Utah (D.E.K.); Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama (K.A.H., J.S.P., D.M.P.); and Department of Renal Medicine, Royal Infirmary of Edinburgh (N.D.) and University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute (D.J.W.N.D.), Edinburgh, Scotland, United Kingdom
| | - David J Webb
- Experimental Medicine and Immunotherapeutics, University of Cambridge, Cambridge, United Kingdom (A.P.D., J.J.M.); IUPHAR/BPS Guide to PHARMACOLOGY, Centre for Integrative Physiology, University of Edinburgh, Hugh Robson Building, Edinburgh, United Kingdom (C.S.); Division of Nephrology, University of Utah Health Sciences Center, Salt Lake City, Utah (D.E.K.); Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama (K.A.H., J.S.P., D.M.P.); and Department of Renal Medicine, Royal Infirmary of Edinburgh (N.D.) and University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute (D.J.W.N.D.), Edinburgh, Scotland, United Kingdom
| | - Janet J Maguire
- Experimental Medicine and Immunotherapeutics, University of Cambridge, Cambridge, United Kingdom (A.P.D., J.J.M.); IUPHAR/BPS Guide to PHARMACOLOGY, Centre for Integrative Physiology, University of Edinburgh, Hugh Robson Building, Edinburgh, United Kingdom (C.S.); Division of Nephrology, University of Utah Health Sciences Center, Salt Lake City, Utah (D.E.K.); Cardio-Renal Physiology & Medicine, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama (K.A.H., J.S.P., D.M.P.); and Department of Renal Medicine, Royal Infirmary of Edinburgh (N.D.) and University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute (D.J.W.N.D.), Edinburgh, Scotland, United Kingdom
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Carvalho LJDM, Moreira ADS, Daniel-Ribeiro CT, Martins YC. Vascular dysfunction as a target for adjuvant therapy in cerebral malaria. Mem Inst Oswaldo Cruz 2015; 109:577-88. [PMID: 25185000 PMCID: PMC4156451 DOI: 10.1590/0074-0276140061] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Accepted: 04/02/2014] [Indexed: 12/27/2022] Open
Abstract
Cerebral malaria (CM) is a life-threatening complication of Plasmodium
falciparum malaria that continues to be a major global health problem.
Brain vascular dysfunction is a main factor underlying the pathogenesis of CM and can
be a target for the development of adjuvant therapies for the disease. Vascular
occlusion by parasitised red blood cells and vasoconstriction/vascular dysfunction
results in impaired cerebral blood flow, ischaemia, hypoxia, acidosis and death. In
this review, we discuss the mechanisms of vascular dysfunction in CM and the roles of
low nitric oxide bioavailability, high levels of endothelin-1 and dysfunction of the
angiopoietin-Tie2 axis. We also discuss the usefulness and relevance of the murine
experimental model of CM by Plasmodium berghei ANKA to identify
mechanisms of disease and to screen potential therapeutic interventions.
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Affiliation(s)
| | - Aline da Silva Moreira
- Laboratório de Pesquisas em Malária, Instituto Oswaldo Cruz-Fiocruz, Rio de Janeiro, RJ, Brasil
| | | | - Yuri Chaves Martins
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, USA
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1,3,4-Oxadiazoles: An emerging scaffold to target growth factors, enzymes and kinases as anticancer agents. Eur J Med Chem 2015; 97:124-41. [DOI: 10.1016/j.ejmech.2015.04.051] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 04/23/2015] [Accepted: 04/25/2015] [Indexed: 12/13/2022]
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Tesic N, Kamensek U, Sersa G, Kranjc S, Stimac M, Lampreht U, Preat V, Vandermeulen G, Butinar M, Turk B, Cemazar M. Endoglin (CD105) Silencing Mediated by shRNA Under the Control of Endothelin-1 Promoter for Targeted Gene Therapy of Melanoma. MOLECULAR THERAPY-NUCLEIC ACIDS 2015; 4:e239. [PMID: 25942402 DOI: 10.1038/mtna.2015.12] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Accepted: 03/23/2015] [Indexed: 11/09/2022]
Abstract
Endoglin (CD105), a transforming growth factor (TGF)-β coreceptor, and endothelin-1, a vasoconstrictor peptide, are both overexpressed in tumor endothelial and melanoma cells. Their targeting is therefore a promising therapeutic approach for melanoma tumors. The aim of our study was to construct a eukaryotic expression plasmid encoding the shRNA molecules against CD105 under the control of endothelin-1 promoter and to evaluate its therapeutic potential both in vitro in murine B16F10-luc melanoma and SVEC4-10 endothelial cells and in vivo in mice bearing highly metastatic B16F10-luc tumors. Plasmid encoding shRNA against CD105 under the control of the constitutive U6 promoter was used as a control. We demonstrated the antiproliferative and antiangiogenic effects of both plasmids in SVEC4-10 cells, as well as a moderate antitumor and pronounced antimetastatic effect in B16F10-luc tumors in vivo. Our results provide evidence that targeting melanoma with shRNA molecules against CD105 under the control of endothelin-1 promoter is a feasible and effective treatment, especially for the reduction of metastatic spread.
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Affiliation(s)
- Natasa Tesic
- Faculty of Health Sciences, University of Primorska, Isola, Slovenia
| | - Urska Kamensek
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
| | - Gregor Sersa
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
| | - Simona Kranjc
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
| | - Monika Stimac
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
| | - Ursa Lampreht
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
| | - Veronique Preat
- Université Catholique de Louvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Woluwe-Saint-Lambert, Belgium
| | - Gaelle Vandermeulen
- Université Catholique de Louvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Woluwe-Saint-Lambert, Belgium
| | - Miha Butinar
- Department of Biochemistry and Molecular and Structural Biology, Jozef Stefan Institute, Ljubljana, Slovenia
| | - Boris Turk
- Department of Biochemistry and Molecular and Structural Biology, Jozef Stefan Institute, Ljubljana, Slovenia
| | - Maja Cemazar
- 1] Faculty of Health Sciences, University of Primorska, Isola, Slovenia [2] Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
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Stimac M, Dolinsek T, Lampreht U, Cemazar M, Sersa G. Gene Electrotransfer of Plasmid with Tissue Specific Promoter Encoding shRNA against Endoglin Exerts Antitumor Efficacy against Murine TS/A Tumors by Vascular Targeted Effects. PLoS One 2015; 10:e0124913. [PMID: 25909447 PMCID: PMC4409373 DOI: 10.1371/journal.pone.0124913] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 03/11/2015] [Indexed: 02/06/2023] Open
Abstract
Vascular targeted therapies, targeting specific endothelial cell markers, are promising approaches for the treatment of cancer. One of the targets is endoglin, transforming growth factor-β (TGF-β) co-receptor, which mediates proliferation, differentiation and migration of endothelial cells forming neovasculature. However, its specific, safe and long-lasting targeting remains the challenge. Therefore, in our study we evaluated the transfection efficacy, vascular targeted effects and therapeutic potential of the plasmid silencing endoglin with the tissue specific promoter, specific for endothelial cells marker endothelin-1 (ET) (TS plasmid), in comparison to the plasmid with constitutive promoter (CON plasmid), in vitro and in vivo. Tissue specificity of TS plasmid was demonstrated in vitro on several cell lines, and its antiangiogenic efficacy was demonstrated by reducing tube formation of 2H11 endothelial cells. In vivo, on a murine mammary TS/A tumor model, we demonstrated good antitumor effect of gene electrotransfer (GET) of either of both plasmids in treatment of smaller tumors still in avascular phase of growth, as well as on bigger tumors, already well vascularized. In support to the observations on predominantly vascular targeted effects of endoglin, histological analysis has demonstrated an increase in necrosis and a decrease in the number of blood vessels in therapeutic groups. A significant antitumor effect was observed in tumors in avascular and vascular phase of growth, possibly due to both, the antiangiogenic and the vascular disrupting effect. Furthermore, the study indicates on the potential use of TS plasmid in cancer gene therapy since the same efficacy as of CON plasmid was determined.
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Affiliation(s)
- Monika Stimac
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
| | - Tanja Dolinsek
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
| | - Ursa Lampreht
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
| | - Maja Cemazar
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia; Faculty of Health Sciences, University of Primorska, Izola, Slovenia
| | - Gregor Sersa
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
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Qiao L, Liang Y, Li N, Hu X, Luo D, Gu J, Lu Y, Zheng Q. Endothelin-A receptor antagonists in prostate cancer treatment-a meta-analysis. Int J Clin Exp Med 2015; 8:3465-3473. [PMID: 26064237 PMCID: PMC4443071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 02/23/2015] [Indexed: 06/04/2023]
Abstract
Prostate cancer remains the second leading cause of cancer death in men due to inefficiency of androgen deprivation therapy or androgen blockade. Endothelins (ETs) and the two endothelin receptor family members A and B (ETA and ETB) are known to play important roles in the progression of many malignancies, including prostate cancer. However, phase III clinical studies did not reach a unanimous conclusion regarding ETA receptor antagonists in prostate cancer treatment. Here, we provide a meta-analysis of clinical studies using ETA receptor antagonists to treat prostate cancer, especially the hormone refractory prostate cancer (HRPC). Data were extracted from nine studies that used Zibotentan or Atrasentan, two selective ETA receptor antagonists, to treat prostate cancer and meet the selection criteria. The results indicated that the overall survival (OS) and the progression-free survival (PFS) of patients treated with Zibotentan did not show significant difference with the patients treated with placebo (pooled hazard ratio (HR) for OS, 0.86, 95% CI 0.70-1.06; pooled HR for PFS, 0.98, 95% CI 0.91-1.06). No statistically significant difference was detected either as to the OS and PFS of patients between the Atrasentan treated group and the group treated with placebo (pooled HR for OS, 0.99, 95% CI 0.90-1.08; pooled HR for PFS, 0.94, 95% CI 0.86-1.02). Notably, the level of prostate-specific antigen (PSA) and the incidence of bone pain were significantly lower in the Atrasentan treated patients compared to the controls (pooled HR for time of PSA progression, 0.87, 95% CI 0.78-0.97; and pooled relative risk (RR) for bone pain, 0.68, 95% CI 0.48-0.97). In addition, increasing of PSA and bone alkaline phosphatase (BALP) were significantly delayed with Atrasentan treatment (P<0.05). Together, these data suggest that Atrasentan has an effect on cancer-related bone pain and skeletal-events in patients with prostate cancer.
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Affiliation(s)
- Longwei Qiao
- Department of Hematology and Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, China
| | - Yuting Liang
- Department of Hematology and Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, China
| | - Na Li
- Department of Anatomy and Cell Biology, Rush University Medical CenterChicago, IL 60612, USA
| | - Xiaoxia Hu
- Department of Anatomy and Cell Biology, Rush University Medical CenterChicago, IL 60612, USA
| | - Dongwei Luo
- Department of Anatomy and Cell Biology, Rush University Medical CenterChicago, IL 60612, USA
| | - Junxia Gu
- Department of Hematology and Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, China
| | - Yaojuan Lu
- Department of Hematology and Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, China
- Department of Anatomy and Cell Biology, Rush University Medical CenterChicago, IL 60612, USA
| | - Qiping Zheng
- Department of Hematology and Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, China
- Department of Anatomy and Cell Biology, Rush University Medical CenterChicago, IL 60612, USA
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Easwaramoorthi K, Rajendran AJ, Rao KC, Arun Y, Balachandran C, Perumal PT, Emi N, Mahalingam SM, Duraipandiyan V, Al-Dhabi NA. Synthesis of novel 1,4-disubstituted 1,2,3-triazolo-bosentan derivatives – evaluation of antimicrobial and anticancer activities and molecular docking. RSC Adv 2015. [DOI: 10.1039/c5ra18618h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
One pot synthesis with good yields. Good antimicrobial activity against 4EMV receptor. Prominent anticancer activity against A549 and SKOV-3 cell lines. Significantin vitrocytotoxicity at 7.81 μg mL−1. Docking mode of1hwith 2XP2 receptor.
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Affiliation(s)
| | | | | | - Y. Arun
- Organic Chemistry Division
- CSIR-CLRI
- Chennai-600020
- India
| | - C. Balachandran
- Department of Hematology
- Fujita Health University
- Toyoake
- Japan
| | - P. T. Perumal
- Organic Chemistry Division
- CSIR-CLRI
- Chennai-600020
- India
| | - Nobuhiko Emi
- Department of Hematology
- Fujita Health University
- Toyoake
- Japan
| | - S. M. Mahalingam
- Centre for Drug Discovery and Department of Chemistry
- Purdue University
- USA
| | - V. Duraipandiyan
- Division of Ethnopharmacology
- Entomology Research Institute
- Loyola College
- Chennai-600034
- India
| | - N. A. Al-Dhabi
- Department of Botany and Microbiology
- Addiriyah Chair for Environmental Studies
- College of Science
- King Saudi University
- Riyadh-11451
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Braasch I, Schartl M. Evolution of endothelin receptors in vertebrates. Gen Comp Endocrinol 2014; 209:21-34. [PMID: 25010382 DOI: 10.1016/j.ygcen.2014.06.028] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Revised: 06/07/2014] [Accepted: 06/26/2014] [Indexed: 02/03/2023]
Abstract
Endothelin receptors are G protein coupled receptors (GPCRs) of the β-group of rhodopsin receptors that bind to endothelin ligands, which are 21 amino acid long peptides derived from longer prepro-endothelin precursors. The most basal Ednr-like GPCR is found outside vertebrates in the cephalochordate amphioxus, but endothelin ligands are only present among vertebrates, including the lineages of jawless vertebrates (lampreys and hagfishes), cartilaginous vertebrates (sharks, rays, and chimaeras), and bony vertebrates (ray-finned fishes and lobe-finned vertebrates including tetrapods). A bona fide endothelin system is thus a vertebrate-specific innovation with important roles for regulating the cardiovascular system, renal and pulmonary processes, as well as for the development of the vertebrate-specific neural crest cell population and its derivatives. Expectedly, dysregulation of endothelin receptors and the endothelin system leads to a multitude of human diseases. Despite the importance of different types of endothelin receptors for vertebrate development and physiology, current knowledge on endothelin ligand-receptor interactions, on the expression of endothelin receptors and their ligands, and on the functional roles of the endothelin system for embryonic development and in adult vertebrates is very much biased towards amniote vertebrates. Recent analyses from a variety of vertebrate lineages, however, have shown that the endothelin system in lineages such as teleost fish and lampreys is more diverse and is divergent from the mammalian endothelin system. This diversity is mainly based on differential evolution of numerous endothelin system components among vertebrate lineages generated by two rounds of whole genome duplication (three in teleosts) during vertebrate evolution. Here we review current understanding of the evolutionary history of the endothelin receptor family in vertebrates supplemented with surveys on the endothelin receptor gene complement of newly available genome assemblies from phylogenetically informative taxa. Our assessment further highlights the diversity of the vertebrate endothelin system and calls for detailed functional and pharmacological analyses of the endothelin system beyond tetrapods.
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Affiliation(s)
- Ingo Braasch
- Institute of Neuroscience, University of Oregon, Eugene, OR 97403-1254, USA.
| | - Manfred Schartl
- Department of Physiological Chemistry, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany; Comprehensive Cancer Center, University Clinic Würzburg, Josef Schneider Straße 6, 97080 Würzburg, Germany.
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Maguire JJ, Davenport AP. Endothelin@25 - new agonists, antagonists, inhibitors and emerging research frontiers: IUPHAR Review 12. Br J Pharmacol 2014; 171:5555-72. [PMID: 25131455 PMCID: PMC4290702 DOI: 10.1111/bph.12874] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 07/22/2014] [Accepted: 07/25/2014] [Indexed: 12/16/2022] Open
Abstract
Since the discovery of endothelin (ET)-1 in 1988, the main components of the signalling pathway have become established, comprising three structurally similar endogenous 21-amino acid peptides, ET-1, ET-2 and ET-3, that activate two GPCRs, ETA and ETB . Our aim in this review is to highlight the recent progress in ET research. The ET-like domain peptide, corresponding to prepro-ET-193-166 , has been proposed to be co-synthesized and released with ET-1, to modulate the actions of the peptide. ET-1 remains the most potent vasoconstrictor in the human cardiovascular system with a particularly long-lasting action. To date, the major therapeutic strategy to block the unwanted actions of ET in disease, principally in pulmonary arterial hypertension, has been to use antagonists that are selective for the ETA receptor (ambrisentan) or that block both receptor subtypes (bosentan). Macitentan represents the next generation of antagonists, being more potent than bosentan, with longer receptor occupancy and it is converted to an active metabolite; properties contributing to greater pharmacodynamic and pharmacokinetic efficacy. A second strategy is now being more widely tested in clinical trials and uses combined inhibitors of ET-converting enzyme and neutral endopeptidase such as SLV306 (daglutril). A third strategy based on activating the ETB receptor, has led to the renaissance of the modified peptide agonist IRL1620 as a clinical candidate in delivering anti-tumour drugs and as a pharmacological tool to investigate experimental pathophysiological conditions. Finally, we discuss biased signalling, epigenetic regulation and targeting with monoclonal antibodies as prospective new areas for ET research.
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Affiliation(s)
- J J Maguire
- Clinical Pharmacology Unit, University of Cambridge, Addenbrooke's Hospital, Cambridge, UK
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Cianfrocca R, Tocci P, Semprucci E, Spinella F, Di Castro V, Bagnato A, Rosanò L. β-Arrestin 1 is required for endothelin-1-induced NF-κB activation in ovarian cancer cells. Life Sci 2014; 118:179-84. [DOI: 10.1016/j.lfs.2014.01.078] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 01/20/2014] [Accepted: 01/30/2014] [Indexed: 12/26/2022]
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Bergot AS, Ford N, Leggatt GR, Wells JW, Frazer IH, Grimbaldeston MA. HPV16-E7 expression in squamous epithelium creates a local immune suppressive environment via CCL2- and CCL5- mediated recruitment of mast cells. PLoS Pathog 2014; 10:e1004466. [PMID: 25340820 PMCID: PMC4207828 DOI: 10.1371/journal.ppat.1004466] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Accepted: 09/11/2014] [Indexed: 01/08/2023] Open
Abstract
Human Papillomavirus (HPV) 16 E7 protein promotes the transformation of HPV infected epithelium to malignancy. Here, we use a murine model in which the E7 protein of HPV16 is expressed as a transgene in epithelium to show that mast cells are recruited to the basal layer of E7-expressing epithelium, and that this recruitment is dependent on the epithelial hyperproliferation induced by E7 by inactivating Rb dependent cell cycle regulation. E7 induced epithelial hyperplasia is associated with increased epidermal secretion of CCL2 and CCL5 chemokines, which attract mast cells to the skin. Mast cells in E7 transgenic skin, in contrast to those in non-transgenic skin, exhibit degranulation. Notably, we found that resident mast cells in E7 transgenic skin cause local immune suppression as evidenced by tolerance of E7 transgenic skin grafts when mast cells are present compared to the rejection of mast cell-deficient E7 grafts in otherwise competent hosts. Thus, our findings suggest that mast cells, recruited towards CCL2 and CCL5 expressed by epithelium induced to proliferate by E7, may contribute to an immunosuppressive environment that enables the persistence of HPV E7 protein induced pre-cancerous lesions.
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Affiliation(s)
- Anne-Sophie Bergot
- The University of Queensland Diamantina Institute, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Neill Ford
- The University of Queensland Diamantina Institute, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Graham R. Leggatt
- The University of Queensland Diamantina Institute, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - James W. Wells
- The University of Queensland Diamantina Institute, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Ian H. Frazer
- The University of Queensland Diamantina Institute, Princess Alexandra Hospital, Brisbane, Queensland, Australia
- * E-mail:
| | - Michele A. Grimbaldeston
- Division of Human Immunology, Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia, Australia
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Johnson MG, Kristianto J, Yuan B, Konicke K, Blank R. Big endothelin changes the cellular miRNA environment in TMOb osteoblasts and increases mineralization. Connect Tissue Res 2014; 55 Suppl 1:113-6. [PMID: 25158193 PMCID: PMC4640685 DOI: 10.3109/03008207.2014.923866] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
INTRODUCTION Endothelin (ET1) promotes the growth of osteoblastic breast and prostate cancer metastases. Conversion of big ET1 to mature ET1, catalyzed primarily by endothelin converting enzyme 1 (ECE1), is necessary for ET1's biological activity. We previously identified the Ece1, locus as a positional candidate gene for a pleiotropic quantitative trait locus affecting femoral size, shape, mineralization, and biomechanical performance. METHODS We exposed TMOb osteoblasts continuously to 25 ng/ml big ET1. Cells were grown for 6 days in growth medium and then switched to mineralization medium for an additional 15 days with or without big ET1, by which time the TMOb cells form mineralized nodules. We quantified mineralization by alizarin red staining and analyzed levels of miRNAs known to affect osteogenesis. Micro RNA 126-3p was identified by search as a potential regulator of sclerostin (SOST) translation. RESULTS TMOb cells exposed to big ET1 showed greater mineralization than control cells. Big ET1 repressed miRNAs targeting transcripts of osteogenic proteins. Big ET1 increased expression of miRNAs that target transcripts of proteins that inhibit osteogenesis. Big ET1 increased expression of 126-3p 121-fold versus control. To begin to assess the effect of big ET1 on SOST production we analyzed both SOST transcription and protein production with and without the presence of big ET1 demonstrating that transcription and translation were uncoupled. CONCLUSION Our data show that big ET1 signaling promotes mineralization. Moreover, the results suggest that big ET1's osteogenic effects are potentially mediated through changes in miRNA expression, a previously unrecognized big ET1 osteogenic mechanism.
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Affiliation(s)
- Michael G. Johnson
- Department of Medicine, Division of Endocrinology University of Wisconsin-Madison,Geriatrics Research, Education, and Clinical Center, William S. Middleton Veterans Hospital, Madison, Wisconsin,Corresponding Author: Michael Johnson, William S. Middleton Veterans Hospital, GRECC D5209, 2500 Overlook Terrace, Madison WI 53719 USA. Phone: 1-608-256-1901 X11595.
| | - Jasmin Kristianto
- Department of Medicine, Division of Endocrinology University of Wisconsin-Madison,Geriatrics Research, Education, and Clinical Center, William S. Middleton Veterans Hospital, Madison, Wisconsin
| | - Baozhi Yuan
- Department of Medicine, Division of Endocrinology University of Wisconsin-Madison,Geriatrics Research, Education, and Clinical Center, William S. Middleton Veterans Hospital, Madison, Wisconsin
| | - Kathryn Konicke
- Department of Medicine, Division of Endocrinology, Medical College of Wisconsin
| | - Robert Blank
- Geriatrics Research, Education, and Clinical Center, William S. Middleton Veterans Hospital, Madison, Wisconsin,Department of Medicine, Division of Endocrinology, Medical College of Wisconsin,Medical Service, Clement J. Zablocki VAMC, Milwaukee, WI
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50
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Maffei R, Bulgarelli J, Fiorcari S, Martinelli S, Castelli I, Valenti V, Rossi D, Bonacorsi G, Zucchini P, Potenza L, Vallisa D, Gattei V, Poeta GD, Forconi F, Gaidano G, Narni F, Luppi M, Marasca R. Endothelin-1 promotes survival and chemoresistance in chronic lymphocytic leukemia B cells through ETA receptor. PLoS One 2014; 9:e98818. [PMID: 24901342 PMCID: PMC4046988 DOI: 10.1371/journal.pone.0098818] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Accepted: 05/07/2014] [Indexed: 11/26/2022] Open
Abstract
The endothelin axis, comprising endothelins (ET-1, ET-2 and ET-3) and their receptors (ET(A)R and ETBR), has emerged as relevant player in tumor growth and metastasis. Here, we investigated the involvement of ET-1/ET(A)R axis in chronic lymphocytic leukemia (CLL). CLL cells expressed higher levels of ET-1 and ETA receptor as compared to normal B cells. ET-1 peptide stimulated phosphoinositide-3-kinase and mitogen-activated protein kinase signaling pathways, improved survival and promoted proliferation of leukemic cells throughout ET(A)R triggering. Moreover, the blockade of ET(A)R by the selective antagonist BQ-123 inhibited the survival advantage acquired by CLL cells in contact with endothelial layers. We also found that blocking ET(A)R via BQ-123 interferes with ERK phosphorylation and CLL pro-survival effect mediated by B-cell receptor (BCR) activation. The pro-apoptotic effect of phosphoinositide-3-kinase δ inhibitor idelalisib and mitogen-activated protein kinase inhibitor PD98059 was decreased by the addition of ET-1 peptide. Then, ET-1 also reduced the cytotoxic effect of fludarabine on CLL cells cultured alone or co-cultured on endothelial layers. ET(A)R blockade by BQ-123 inhibited the ET-1-mediated protection against drug-induced apoptosis. Lastly, higher plasma levels of big ET-1 were detected in patients (n = 151) with unfavourable prognostic factors and shorter time to first treatment. In conclusion, our data describe for the first time a role of ET-1/ET(A)R signaling in CLL pathobiology. ET-1 mediates survival, drug-resistance, and growth signals in CLL cells that can be blocked by ET(A)R inhibition.
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MESH Headings
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Cell Proliferation
- Cell Survival/drug effects
- Cell Survival/genetics
- Drug Resistance, Neoplasm/genetics
- Endothelin A Receptor Antagonists/pharmacology
- Endothelin-1/blood
- Endothelin-1/genetics
- Endothelin-1/metabolism
- Gene Expression
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/metabolism
- Leukemia, Lymphocytic, Chronic, B-Cell/mortality
- Prognosis
- Receptor, Endothelin A/genetics
- Receptor, Endothelin A/metabolism
- Receptors, Antigen, B-Cell/metabolism
- Signal Transduction/drug effects
- Treatment Outcome
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Affiliation(s)
- Rossana Maffei
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Jenny Bulgarelli
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Stefania Fiorcari
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Silvia Martinelli
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Ilaria Castelli
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Davide Rossi
- Hematology Division, Department of Clinical and Experimental Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
| | - Goretta Bonacorsi
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Patrizia Zucchini
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Leonardo Potenza
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Valter Gattei
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico, I.R.C.C.S., Aviano (PN), Italy
| | - Giovanni Del Poeta
- Hematology Division, S.Eugenio Hospital and University of Tor Vergata, Rome, Italy
| | - Francesco Forconi
- Cancer Sciences Unit, CRUK Clinical Centre, University of Southampton, Southampton, United Kingdom
- Hematology Division, Department of Clinical Medicine and Immunological Sciences, University of Siena, Siena, Italy
| | - Gianluca Gaidano
- Hematology Division, Department of Clinical and Experimental Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
| | - Franco Narni
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Mario Luppi
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Roberto Marasca
- Hematology Division, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
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