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Morrison G, Henry N, Kopytynski M, Chen R. A bioinspired pseudopeptide-based intracellular delivery platform enhances the cytotoxicity of a ribosome-inactivating protein through multiple death pathways. Biomater Sci 2024. [PMID: 39177215 PMCID: PMC11342633 DOI: 10.1039/d4bm00600c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Accepted: 08/09/2024] [Indexed: 08/24/2024]
Abstract
Saporin is a 28 621 Da protein and plant toxin possessing rRNA N-glycosidase activity. Due to its potent ribosome-inactivating ability, saporin is commonly studied as an anticancer agent. However, its enzymatic activity is greatly hindered by its poor plasma membrane permeability. To overcome this barrier, we used a bioinspired intracellular delivery platform based on the pH-responsive pseudopeptide, poly(L-lysine isophthalamide) grafted with L-phenylalanine at a stoichiometric molar percentage of 50% (PP50). PP50 was co-incubated with saporin (PP50/saporin) in a mildly acidic pH environment to aid intracellular delivery and increase saporin's therapeutic potential. We demonstrated that PP50 greatly enhanced the cytotoxicity of saporin in the 2D monolayer of A549 cells and 3D A549 multicellular spheroids whilst remaining non-toxic when administered alone. To elucidate the mechanism of cell death, we assessed the activation of caspases, the inhibition of protein synthesis, the onset of apoptosis and the mechanism of PP50/saporin entry. Inhibition of protein synthesis and activation of caspases 3/7, 8 and 9 were found to occur before the onset of apoptosis and cell death. PP50/saporin was also shown to rely on micropinocytosis and caveolae-mediated endocytosis for cell entry. In addition, fluorescein isothiocyanate-labelled saporin (FITC-saporin) was localized within the cytoplasm and nuclei when delivered with Cyanine5-labelled PP50 (Cy5-PP50). Taken together, this suggests that multiple pathways are triggered to initiate apoptosis and cell death in cells treated with PP50/saporin. Therefore, these results make PP50 a potential intracellular delivery platform for the internalization of protein therapeutics.
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Affiliation(s)
- Gabriella Morrison
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, SW7 2AZ, UK.
| | - Nicole Henry
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, SW7 2AZ, UK.
| | - Michal Kopytynski
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, SW7 2AZ, UK.
| | - Rongjun Chen
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, SW7 2AZ, UK.
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2
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Martarelli N, Capurro M, Mansour G, Jahromi RV, Stella A, Rossi R, Longetti E, Bigerna B, Gentili M, Rosseto A, Rossi R, Cencini C, Emiliani C, Martino S, Beeg M, Gobbi M, Tiacci E, Falini B, Morena F, Perriello VM. Artificial Intelligence-Powered Molecular Docking and Steered Molecular Dynamics for Accurate scFv Selection of Anti-CD30 Chimeric Antigen Receptors. Int J Mol Sci 2024; 25:7231. [PMID: 39000338 PMCID: PMC11242627 DOI: 10.3390/ijms25137231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 06/25/2024] [Accepted: 06/27/2024] [Indexed: 07/16/2024] Open
Abstract
Chimeric antigen receptor (CAR) T cells represent a revolutionary immunotherapy that allows specific tumor recognition by a unique single-chain fragment variable (scFv) derived from monoclonal antibodies (mAbs). scFv selection is consequently a fundamental step for CAR construction, to ensure accurate and effective CAR signaling toward tumor antigen binding. However, conventional in vitro and in vivo biological approaches to compare different scFv-derived CARs are expensive and labor-intensive. With the aim to predict the finest scFv binding before CAR-T cell engineering, we performed artificial intelligence (AI)-guided molecular docking and steered molecular dynamics analysis of different anti-CD30 mAb clones. Virtual computational scFv screening showed comparable results to surface plasmon resonance (SPR) and functional CAR-T cell in vitro and in vivo assays, respectively, in terms of binding capacity and anti-tumor efficacy. The proposed fast and low-cost in silico analysis has the potential to advance the development of novel CAR constructs, with a substantial impact on reducing time, costs, and the need for laboratory animal use.
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Affiliation(s)
- Nico Martarelli
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Michela Capurro
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Gizem Mansour
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milano, Italy; (G.M.); (M.B.); (M.G.)
| | - Ramina Vossoughi Jahromi
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Arianna Stella
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Roberta Rossi
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Emanuele Longetti
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Barbara Bigerna
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Marco Gentili
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Ariele Rosseto
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Riccardo Rossi
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Chiara Cencini
- Department of Chemistry, Biology, and Biotechnologies, Via del Giochetto, University of Perugia, 06122 Perugia, Italy; (C.C.); (C.E.); (S.M.)
| | - Carla Emiliani
- Department of Chemistry, Biology, and Biotechnologies, Via del Giochetto, University of Perugia, 06122 Perugia, Italy; (C.C.); (C.E.); (S.M.)
| | - Sabata Martino
- Department of Chemistry, Biology, and Biotechnologies, Via del Giochetto, University of Perugia, 06122 Perugia, Italy; (C.C.); (C.E.); (S.M.)
| | - Marten Beeg
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milano, Italy; (G.M.); (M.B.); (M.G.)
| | - Marco Gobbi
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milano, Italy; (G.M.); (M.B.); (M.G.)
| | - Enrico Tiacci
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Brunangelo Falini
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
| | - Francesco Morena
- Department of Chemistry, Biology, and Biotechnologies, Via del Giochetto, University of Perugia, 06122 Perugia, Italy; (C.C.); (C.E.); (S.M.)
| | - Vincenzo Maria Perriello
- Institute of Hematology and Center for Hemato-Oncology Research, University of Perugia and Santa Maria della Misericordia Hospital, 06132 Perugia, Italy; (N.M.); (M.C.); (R.V.J.); (A.S.); (R.R.); (E.L.); (B.B.); (M.G.); (A.R.); (R.R.); (E.T.); (B.F.)
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Jia W, Yuan J, Li S, Cheng B. The role of dysregulated mRNA translation machinery in cancer pathogenesis and therapeutic value of ribosome-inactivating proteins. Biochim Biophys Acta Rev Cancer 2023; 1878:189018. [PMID: 37944831 DOI: 10.1016/j.bbcan.2023.189018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/17/2023] [Accepted: 11/02/2023] [Indexed: 11/12/2023]
Abstract
Dysregulated protein synthesis is a hallmark of tumors. mRNA translation reprogramming contributes to tumorigenesis, which is fueled by abnormalities in ribosome formation, tRNA abundance and modification, and translation factors. Not only malignant cells but also stromal cells within tumor microenvironment can undergo transformation toward tumorigenic phenotypes during translational reprogramming. Ribosome-inactivating proteins (RIPs) have garnered interests for their ability to selectively inhibit protein synthesis and suppress tumor growth. This review summarizes the role of dysregulated translation machinery in tumor development and explores the potential of RIPs in cancer treatment.
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Affiliation(s)
- Wentao Jia
- Oncology Department of Traditional Chinese Medicine, the First Affiliated Hospital of Naval Medical University, Shanghai 200433, China; Faculty of Traditional Chinese Medicine, Naval Medical University, Shanghai 200043, China
| | - Jiaying Yuan
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Shu Li
- Department of Gastroenterology, Baoshan Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201900, China.
| | - Binbin Cheng
- Oncology Department of Traditional Chinese Medicine, the First Affiliated Hospital of Naval Medical University, Shanghai 200433, China; Faculty of Traditional Chinese Medicine, Naval Medical University, Shanghai 200043, China.
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Che Y, Ding X, Xu L, Zhao J, Zhang X, Li N, Sun X. Advances in the treatment of Hodgkin's lymphoma (Review). Int J Oncol 2023; 62:61. [PMID: 37026506 PMCID: PMC10147096 DOI: 10.3892/ijo.2023.5509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/22/2023] [Indexed: 04/07/2023] Open
Abstract
Hodgkin's lymphoma (HL) is a unique B‑cell lymphoproliferative malignancy that has a critical pathogenesis characterized by a sparse population of Hodgkin and Reed‑Sternberg cells surrounded by numerous dysfunctional immune cells. Although systemic chemotherapy with or without radiotherapy, has significantly improved the prognosis of the majority of patients with HL, a subset of patients remains refractory to first‑line therapy or relapse after achieving an initial response. With the increased understanding of the biology and microenvironment of HL, novel strategies with notable efficacy and manageable toxicity, including targeted therapies, immunotherapy and cell therapy have emerged. The present review summarizes the progress made in developing novel therapies for HL and discusses future research directions in HL therapy.
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Affiliation(s)
- Yuxuan Che
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116021, P.R. China
| | - Xiaolei Ding
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116021, P.R. China
| | - Liye Xu
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116021, P.R. China
| | - Jian Zhao
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116021, P.R. China
| | - Xian Zhang
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116021, P.R. China
| | - Na Li
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116021, P.R. China
| | - Xiuhua Sun
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116021, P.R. China
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5
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Tumor-specific intracellular delivery: peptide-guided transport of a catalytic toxin. Commun Biol 2023; 6:60. [PMID: 36650239 PMCID: PMC9845330 DOI: 10.1038/s42003-022-04385-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 12/20/2022] [Indexed: 01/19/2023] Open
Abstract
There continues to be a need for cancer-specific ligands that can deliver a wide variety of therapeutic cargos. Ligands demonstrating both tumor-specificity and the ability to mediate efficient cellular uptake of a therapeutic are critical to expand targeted therapies. We previously reported the selection of a peptide from a peptide library using a non-small cell lung cancer (NSCLC) cell line as the target. Here we optimize our lead peptide by a series of chemical modifications including truncations, N-terminal capping, and changes in valency. The resultant 10 amino acid peptide has an affinity of <40 nM on four different NSCLC cell lines as a monomer and is stable in human serum for >48 h. The peptide rapidly internalizes upon cell binding and traffics to the lysosome. The peptide homes to a tumor in an animal model and is retained up to 72 h. Importantly, we demonstrate that the peptide can deliver the cytotoxic protein saporin specifically to cancer cells in vitro and in vivo, resulting in an effective anticancer agent.
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6
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Plant-Derived Type I Ribosome Inactivating Protein-Based Targeted Toxins: A Review of the Clinical Experience. Toxins (Basel) 2022; 14:toxins14080563. [PMID: 36006226 PMCID: PMC9412999 DOI: 10.3390/toxins14080563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/04/2022] [Accepted: 08/12/2022] [Indexed: 11/17/2022] Open
Abstract
Targeted toxins (TT) for cancer treatment are a class of hybrid biologic comprised of a targeting domain coupled chemically or genetically to a proteinaceous toxin payload. The targeting domain of the TT recognises and binds to a defined target molecule on the cancer cell surface, thereby delivering the toxin that is then required to internalise to an appropriate intracellular compartment in order to kill the target cancer cell. Toxins from several different sources have been investigated over the years, and the two TTs that have so far been licensed for clinical use in humans; both utilise bacterial toxins. Relatively few clinical studies have, however, been undertaken with TTs that utilise single-chain type I ribosome inactivating proteins (RIPs). This paper reviews the clinical experience that has so far been obtained for a range of TTs based on five different type I RIPs and concludes that the majority studied in early phase trials show significant clinical activity that justifies further clinical investigation. A range of practical issues relating to the further clinical development of TT’s are also covered briefly together with some suggested solutions to outstanding problems.
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7
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Al-Khreisat MJ, Hussain FA, Abdelfattah AM, Almotiri A, Al-Sanabra OM, Johan MF. The Role of NOTCH1, GATA3, and c-MYC in T Cell Non-Hodgkin Lymphomas. Cancers (Basel) 2022; 14:cancers14112799. [PMID: 35681778 PMCID: PMC9179380 DOI: 10.3390/cancers14112799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/22/2022] [Accepted: 05/30/2022] [Indexed: 11/16/2022] Open
Abstract
Lymphomas are heterogeneous malignant tumours of white blood cells characterised by the aberrant proliferation of mature lymphoid cells or their precursors. Lymphomas are classified into main types depending on the histopathologic evidence of biopsy taken from an enlarged lymph node, progress stages, treatment strategies, and outcomes: Hodgkin and non-Hodgkin lymphoma (NHL). Moreover, lymphomas can be further divided into subtypes depending on the cell origin, and immunophenotypic and genetic aberrations. Many factors play vital roles in the progression, pathogenicity, incidence, and mortality rate of lymphomas. Among NHLs, peripheral T cell lymphomas (PTCLs) are rare lymphoid malignancies, that have various cellular morphology and genetic mutations. The clinical presentations are usually observed at the advanced stage of the disease. Many recent studies have reported that the expressions of NOTCH1, GATA3, and c-MYC are associated with poorer prognosis in PTCL and are involved in downstream activities. However, questions have been raised about the pathological relationship between these factors in PTCLs. Therefore, in this review, we investigate the role and relationship of the NOTCH1 pathway, transcriptional factor GATA3 and proto-oncogene c-MYC in normal T cell development and malignant PTCL subtypes.
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Affiliation(s)
- Mutaz Jamal Al-Khreisat
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia;
| | - Faezahtul Arbaeyah Hussain
- Department of Pathology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia;
| | - Ali Mahmoud Abdelfattah
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, The Hashemite University, Zarqa 13133, Jordan;
| | - Alhomidi Almotiri
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences—Dawadmi, Shaqra University, Dawadmi 17464, Saudi Arabia;
| | - Ola Mohammed Al-Sanabra
- Department of Medical Laboratory Sciences, Faculty of Science, Al-Balqa Applied University, Al-Salt 19117, Jordan;
| | - Muhammad Farid Johan
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia;
- Correspondence: ; Tel.: +60-97-67-62-00
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Kim S, Shukla RK, Kim E, Cressman SG, Yu H, Baek A, Choi H, Kim A, Sharma A, Wang Z, Huang CA, Reneau JC, Boyaka PN, Liyanage NPM, Kim S. Comparison of CD3e Antibody and CD3e-sZAP Immunotoxin Treatment in Mice Identifies sZAP as the Main Driver of Vascular Leakage. Biomedicines 2022; 10:1221. [PMID: 35740248 PMCID: PMC9220018 DOI: 10.3390/biomedicines10061221] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/18/2022] [Accepted: 05/22/2022] [Indexed: 02/03/2023] Open
Abstract
Anti-CD3-epsilon (CD3e) monoclonal antibodies (mAbs) and CD3e immunotoxins (ITs) are promising targeted therapy options for various T-cell disorders. Despite significant advances in mAb and IT engineering, vascular leakage syndrome (VLS) remains a major dose-limiting toxicity for ITs and has been poorly characterized for recent "engineered" mAbs. This study undertakes a direct comparison of non-mitogenic CD3e-mAb (145-2C11 with Fc-silentTM murine IgG1: S-CD3e-mAb) and a new murine-version CD3e-IT (saporin-streptavidin (sZAP) conjugated with S-CD3e-mAb: S-CD3e-IT) and identifies their distinct toxicity profiles in mice. As expected, the two agents showed different modes of action on T cells, with S-CD3e-mAb inducing nearly complete modulation of CD3e on the cell surface, while S-CD3e-IT depleted the cells. S-CD3e-IT significantly increased the infiltration of polymorphonuclear leukocytes (PMNs) into the tissue parenchyma of the spleen and lungs, a sign of increased vascular permeability. By contrast, S-CD3e-mAbs-treated mice showed no notable signs of vascular leakage. Treatment with control ITs (sZAP conjugated with Fc-silent isotype antibodies) induced significant vascular leakage without causing T-cell deaths. These results demonstrate that the toxin portion of S-CD3e-IT, not the CD3e-binding portion (S-CD3e-mAb), is the main driver of vascular leakage, thus clarifying the molecular target for improving safety profiles in CD3e-IT therapy.
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Affiliation(s)
- Shihyoung Kim
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
| | - Rajni Kant Shukla
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
| | - Eunsoo Kim
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
| | - Sophie G. Cressman
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
| | - Hannah Yu
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
| | - Alice Baek
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
| | - Hyewon Choi
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
| | - Alan Kim
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
| | - Amit Sharma
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
- Department of Microbial Immunity and Infection, The Ohio State University, Columbus, OH 43210, USA
- Infectious Diseases Institute, The Ohio State University, Columbus, OH 43210, USA
| | - Zhirui Wang
- Department of Surgery, University of Colorado Denver Anschutz Medical Campus, Division of Plastic & Reconstructive Surgery, 12700 East 19th Avenue, Aurora, CO 80045, USA; (Z.W.); (C.A.H.)
- Department of Surgery, University of Colorado Denver Anschutz Medical Campus, Division of Transplant Surgery, 12700 East 19th Avenue, Aurora, CO 80045, USA
| | - Christene A. Huang
- Department of Surgery, University of Colorado Denver Anschutz Medical Campus, Division of Plastic & Reconstructive Surgery, 12700 East 19th Avenue, Aurora, CO 80045, USA; (Z.W.); (C.A.H.)
- Department of Surgery, University of Colorado Denver Anschutz Medical Campus, Division of Transplant Surgery, 12700 East 19th Avenue, Aurora, CO 80045, USA
| | - John C. Reneau
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA;
| | - Prosper N. Boyaka
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
| | - Namal P. M. Liyanage
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
- Department of Microbial Immunity and Infection, The Ohio State University, Columbus, OH 43210, USA
- Infectious Diseases Institute, The Ohio State University, Columbus, OH 43210, USA
| | - Sanggu Kim
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA; (S.K.); (R.K.S.); (E.K.); (S.G.C.); (H.Y.); (A.B.); (H.C.); (A.K.); (A.S.); (P.N.B.); (N.P.M.L.)
- Infectious Diseases Institute, The Ohio State University, Columbus, OH 43210, USA
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Mitdank H, Tröger M, Sonntag A, Shirazi NA, Woith E, Fuchs H, Kobelt D, Walther W, Weng A. Suicide nanoplasmids coding for ribosome-inactivating proteins. Eur J Pharm Sci 2022; 170:106107. [PMID: 34958884 DOI: 10.1016/j.ejps.2021.106107] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 12/13/2021] [Accepted: 12/21/2021] [Indexed: 12/13/2022]
Abstract
Conventional eukaryotic expression plasmids contain a DNA backbone that is dispensable for the cellular expression of the transgene. In order to reduce the vector size, minicircle DNA technology was introduced. A drawback of the minicircle technology are considerable production costs. Nanoplasmids are a relatively new class of mini-DNA constructs that are of tremendous potential for pharmaceutical applications. In this study we have designed novel suicide nanoplasmid constructs coding for plant derived ribosome-inactivating proteins. The suicide-nanoplasmids were formulated with a targeted K16-lysine domain, analyzed for size, and characterized by electron microscopy. The anti-proliferative activity of the suicide-nanoplasmids was investigated in vitro by real time microscopy and the expression kinetic was determined using an enhanced green fluorescent protein nanoplasmid variant. In an aggressive in vivo neuroblastoma tumor model, treated mice showed a reduced tumor growth whereby the therapy was well tolerated.
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Affiliation(s)
- Hardy Mitdank
- Freie Universität Berlin, Institut für Pharmazie, Königin-Luise-Str. 2+4, 14195 Berlin, Germany
| | - Meike Tröger
- Freie Universität Berlin, Institut für Pharmazie, Königin-Luise-Str. 2+4, 14195 Berlin, Germany
| | - Alexander Sonntag
- Freie Universität Berlin, Institut für Pharmazie, Königin-Luise-Str. 2+4, 14195 Berlin, Germany
| | - Nima Amini Shirazi
- Freie Universität Berlin, Institut für Pharmazie, Königin-Luise-Str. 2+4, 14195 Berlin, Germany
| | - Eric Woith
- Freie Universität Berlin, Institut für Pharmazie, Königin-Luise-Str. 2+4, 14195 Berlin, Germany
| | - Hendrik Fuchs
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Laboratory Medicine, Clinical Chemistry and Pathobiochemistry, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Dennis Kobelt
- Experimental Pharmacology & Oncology Berlin-Buch GmbH, Robert-Rössle-Str.10, 13125 Berlin, Germany
| | - Wolfgang Walther
- Experimental Pharmacology & Oncology Berlin-Buch GmbH, Robert-Rössle-Str.10, 13125 Berlin, Germany; Experimental and Clinical Research Center, Charité Universitätsmedizin Berlin and Max-Delbrück-Center for Molecular Medicine, Robert-Rössle-Str. 10, 13125 Berlin, Germany
| | - Alexander Weng
- Freie Universität Berlin, Institut für Pharmazie, Königin-Luise-Str. 2+4, 14195 Berlin, Germany.
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10
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Khan M, Hagemeister F, Wang M, Ahmed S. A review of pathobiology and therapies for classic Hodgkin lymphoma. Blood Rev 2022; 55:100949. [DOI: 10.1016/j.blre.2022.100949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 02/12/2022] [Accepted: 03/22/2022] [Indexed: 11/27/2022]
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11
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Wani SS, Dar PA, Zargar SM, Dar TA. Therapeutic Potential of Medicinal Plant Proteins: Present Status and Future Perspectives. Curr Protein Pept Sci 2021; 21:443-487. [PMID: 31746291 DOI: 10.2174/1389203720666191119095624] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 10/10/2019] [Accepted: 10/27/2019] [Indexed: 02/07/2023]
Abstract
Biologically active molecules obtained from plant sources, mostly including secondary metabolites, have been considered to be of immense value with respect to the treatment of various human diseases. However, some inevitable limitations associated with these secondary metabolites like high cytotoxicity, low bioavailability, poor absorption, low abundance, improper metabolism, etc., have forced the scientific community to explore medicinal plants for alternate biologically active molecules. In this context, therapeutically active proteins/peptides from medicinal plants have been promoted as a promising therapeutic intervention for various human diseases. A large number of proteins isolated from the medicinal plants have been shown to exhibit anti-microbial, anti-oxidant, anti-HIV, anticancerous, ribosome-inactivating and neuro-modulatory activities. Moreover, with advanced technological developments in the medicinal plant research, medicinal plant proteins such as Bowman-Birk protease inhibitor and Mistletoe Lectin-I are presently under clinical trials against prostate cancer, oral carcinomas and malignant melanoma. Despite these developments and proteins being potential drug candidates, to date, not a single systematic review article has documented the therapeutical potential of the available biologically active medicinal plant proteome. The present article was therefore designed to describe the current status of the therapeutically active medicinal plant proteins/peptides vis-à-vis their potential as future protein-based drugs for various human diseases. Future insights in this direction have also been highlighted.
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Affiliation(s)
- Snober Shabeer Wani
- Department of Clinical Biochemistry, University of Kashmir, Srinagar-190006, Jammu and Kashmir, India
| | - Parvaiz A Dar
- Department of Clinical Biochemistry, University of Kashmir, Srinagar-190006, Jammu and Kashmir, India
| | - Sajad M Zargar
- Division of Plant Biotechnology, S. K. University of Agricultural Sciences and Technology of Srinagar, Shalimar-190025, Srinagar, Jammu and Kashmir, India
| | - Tanveer A Dar
- Department of Clinical Biochemistry, University of Kashmir, Srinagar-190006, Jammu and Kashmir, India
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12
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Makita S, Maruyama D, Tobinai K. Safety and Efficacy of Brentuximab Vedotin in the Treatment of Classic Hodgkin Lymphoma. Onco Targets Ther 2020; 13:5993-6009. [PMID: 32606807 PMCID: PMC7320890 DOI: 10.2147/ott.s193951] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 06/11/2020] [Indexed: 01/01/2023] Open
Abstract
Classical Hodgkin lymphoma (cHL) is a B-cell-derived lymphoid malignancy with the most favorable prognosis among various adult malignancies. However, once it becomes refractory disease to chemotherapy or relapses after high-dose chemotherapy (HDC) with autologous stem cell transplantation (ASCT), it is difficult to manage with conventional cytotoxic chemotherapy. The introduction of brentuximab vedotin (BV) has changed the treatment landscape of cHL in the past decade. Several studies demonstrated high efficacy of BV monotherapy in heavily treated patients with cHL relapsed or refractory after HDC/ASCT. Recent studies also reported high efficacy of concurrent or sequential combination of BV and chemotherapy in patients with transplant-eligible relapsed/refractory cHL at the second-line setting. In addition, a randomized phase III trial ECHELON-1 reported a positive result of BV in combination with AVD (doxorubicin, vinblastine, and dacarbazine) in patients with newly diagnosed advanced-stage cHL. In this review, we summarize available data of BV for cHL and discuss the current and future role of BV in the management of cHL.
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Affiliation(s)
- Shinichi Makita
- Department of Hematology, National Cancer Center Hospital, Tokyo, Japan
| | - Dai Maruyama
- Department of Hematology, National Cancer Center Hospital, Tokyo, Japan
| | - Kensei Tobinai
- Department of Hematology, National Cancer Center Hospital, Tokyo, Japan
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13
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Lu JQ, Zhu ZN, Zheng YT, Shaw PC. Engineering of Ribosome-inactivating Proteins for Improving Pharmacological Properties. Toxins (Basel) 2020; 12:toxins12030167. [PMID: 32182799 PMCID: PMC7150887 DOI: 10.3390/toxins12030167] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/05/2020] [Accepted: 03/06/2020] [Indexed: 12/23/2022] Open
Abstract
Ribosome-inactivating proteins (RIPs) are N-glycosidases, which depurinate a specific adenine residue in the conserved α-sarcin/ricin loop (α-SRL) of rRNA. This loop is important for anchoring elongation factor (EF-G for prokaryote or eEF2 for eukaryote) in mRNA translocation. Translation is inhibited after the attack. RIPs therefore may have been applied for anti-cancer, and anti-virus and other therapeutic applications. The main obstacles of treatment with RIPs include short plasma half-life, non-selective cytotoxicity and antigenicity. This review focuses on the strategies used to improve the pharmacological properties of RIPs on human immunodeficiency virus (HIV) and cancers. Coupling with polyethylene glycol (PEG) increases plasma time and reduces antigenicity. RIPs conjugated with antibodies to form immunotoxins increase the selective toxicity to target cells. The prospects for future development on the engineering of RIPs for improving their pharmacological properties are also discussed.
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Affiliation(s)
- Jia-Qi Lu
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong 99077, China; (J.-Q.L.); (Z.-N.Z.)
| | - Zhen-Ning Zhu
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong 99077, China; (J.-Q.L.); (Z.-N.Z.)
| | - Yong-Tang Zheng
- Key Laboratory of Animal Models and Human Disease Mechanisms, National Kunming High level Biosafety Research Center for Non-human Primates, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, Yunnan, China;
| | - Pang-Chui Shaw
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong 99077, China; (J.-Q.L.); (Z.-N.Z.)
- Correspondence:
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14
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Esmeray E, Küçük C. Genetic alterations in B cell lymphoma subtypes as potential biomarkers for noninvasive diagnosis, prognosis, therapy, and disease monitoring. ACTA ACUST UNITED AC 2020; 44:1-14. [PMID: 32123491 PMCID: PMC7049453 DOI: 10.3906/biy-1908-23] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Neoplastic transformation of germinal center B (GCB) cells may give rise to a variety of different B cell lymphoma subtypes, most of which show substantial heterogeneity in terms of genetic alterations and clinical features. The mutations observed in cancer-related genes in GCB cells are related to abnormalities in the immunogenetic mechanisms associated with germinal center reaction. Recent studies have rapidly identified genomic alterations in B cell lymphomas that may be useful for better subclassification, noninvasive diagnosis, and prediction of response to therapy. The WHO recognizes different lymphoma subsets classified within 2 major categories of B cell lymphoma: Hodgkin’s lymphoma (HL) and B cell non-Hodgkin’s lymphoma (NHL), each with distinct genetic aberrations, including chromosomal translocations, copy number abnormalities, or point mutations. Next-generation sequencing-based technologies have allowed cancer researchers to identify somatic mutations and gene expression signatures at a rapid pace so that novel diagnostic or prognostic biomarkers, as well as therapeutic targets, can be discovered much faster than before. Indeed, deep sequencing studies have recently revealed that lymphoma-specific somatic mutations may be detected in cell-free circulating DNA obtained from the peripheral blood of B cell lymphoma patients, suggesting the possibility of minimally invasive diagnosis, monitoring, and predicting response to therapy of B cell lymphoma patients. In this study, the current status of the recurrent genetic aberrations observed during diagnosis and/or relapse in HL and the major subtypes of B cell NHL (i.e. diffuse large B cell lymphoma, follicular lymphoma, mantle cell lymphoma, and Burkitt lymphoma) are discussed to shed light on their potential use as noninvasive diagnostic or prognostic biomarkers and to reveal their role in lymphomagenesis as a target in therapy for newly diagnosed and chemotherapy-resistant cases.
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Affiliation(s)
- Esra Esmeray
- İzmir Biomedicine and Genome Center, İzmir Turkey.,İzmir International Biomedicine and Genome Institute, Dokuz Eylül University, İzmir Turkey
| | - Can Küçük
- İzmir Biomedicine and Genome Center, İzmir Turkey.,İzmir International Biomedicine and Genome Institute, Dokuz Eylül University, İzmir Turkey.,Department of Medical Biology, Faculty of Medicine, Dokuz Eylül University, İzmir Turkey
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15
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Lai C, Kandahari AM, Ujjani C. The Evolving Role of Brentuximab Vedotin in Classical Hodgkin Lymphoma. BLOOD AND LYMPHATIC CANCER-TARGETS AND THERAPY 2019; 9:63-71. [PMID: 31849558 PMCID: PMC6910100 DOI: 10.2147/blctt.s231821] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Accepted: 11/21/2019] [Indexed: 11/25/2022]
Abstract
The arrival of the CD30 directed antibody-drug conjugate, brentuximab vedotin (BV), has altered the approach to patients with classical Hodgkin lymphoma. Since initial approval in 2011, BV has been extensively studied in previously untreated and relapsed/refractory patients. Treatment indications for the antibody-drug conjugate have been expanded from the previously treated population to include maintenance therapy after autologous stem cell transplantation and recently, combination with chemotherapy in newly diagnosed advanced stage patients. This article will review the evolution of BV in classical Hodgkin lymphoma, detailing the studies that led to the approved indications and discussion of recent trials in combination with chemotherapy and immunotherapy.
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Affiliation(s)
- Catherine Lai
- Lombardi Comprehensive Cancer Center, Medstar Georgetown University Hospital, Washington, DC, USA
| | - Adrese Michael Kandahari
- Lombardi Comprehensive Cancer Center, Medstar Georgetown University Hospital, Washington, DC, USA
| | - Chaitra Ujjani
- Seattle Cancer Care Alliance, Fred Hutchinson CRC, University of Washington, Seattle, WA, USA
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16
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Application of therapeutic protein-based fusion toxins. Mol Cell Toxicol 2019. [DOI: 10.1007/s13273-019-0040-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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17
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Kokorin A, Weise C, Sama S, Weng A. A new type 1 ribosome-inactivating protein from the seeds of Gypsophila elegans M.Bieb. PHYTOCHEMISTRY 2019; 157:121-127. [PMID: 30399494 DOI: 10.1016/j.phytochem.2018.10.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 10/16/2018] [Accepted: 10/25/2018] [Indexed: 06/08/2023]
Abstract
Ribosome-inactivating proteins (RIPs) are enzymes with N-glycosylase activity that remove adenine bases from the ribosomal RNA. In theory, one single RIP molecule internalized into a cell is sufficient to induce cell death. For this reason, RIPs are of high potential as toxic payload for anti-tumor therapy. A considerable number of RIPs are synthesized by plants that belong to the carnation family (Caryophyllaceae). Prominent examples are the RIPs saporin from Saponaria officinalis L. or dianthin from Dianthus caryophyllus L. In this study, we have isolated and characterized a novel RIP (termed gypsophilin-S) from the tiny seeds of Gypsophila elegans M. Bieb. (Caryophyllaceae). It is noteworthy that this is the first study presenting the complete amino acid sequence of a RIP from a Gypsophila species. Gypsophilin-S was isolated from the defatted seed material following ammonium sulphate precipitation and HPLC-based ion exchange chromatography. Gypsophilin-S-containing fractions were analysed by SDS-PAGE and mass spectrometry. The full amino acid sequence of gypsophilin-S was assembled by MALDI-TOF-MS-MS and PCR. Gypsophilin-S exhibited strong adenine releasing activity and its cytotoxicity in human glioblastoma cells was investigated using an impedance-based real-time assay in comparison with recombinant saporin and dianthin.
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Affiliation(s)
- Arsenij Kokorin
- Institut für Pharmazie, Freie Universität Berlin, Königin-Luise-Str. 2+4, 14195 Berlin, Germany
| | - Christoph Weise
- Institut für Chemie und Biochemie, Freie Universität Berlin, Thielallee 63, 14195 Berlin, Germany
| | - Simko Sama
- Institut für Pharmazie, Freie Universität Berlin, Königin-Luise-Str. 2+4, 14195 Berlin, Germany
| | - Alexander Weng
- Institut für Pharmazie, Freie Universität Berlin, Königin-Luise-Str. 2+4, 14195 Berlin, Germany.
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18
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Wang Y, Nowakowski GS, Wang ML, Ansell SM. Advances in CD30- and PD-1-targeted therapies for classical Hodgkin lymphoma. J Hematol Oncol 2018; 11:57. [PMID: 29685160 PMCID: PMC5914042 DOI: 10.1186/s13045-018-0601-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 04/13/2018] [Indexed: 11/10/2022] Open
Abstract
CD30 and programmed cell death protein 1 (PD-1) are two ideal therapeutic targets in classical Hodgkin lymphoma (cHL). The CD30 antibody-drug conjugate (ADC) brentuximab vedotin and the PD-1 antibodies nivolumab and pembrolizumab are highly efficacious in treating relapsed and/or refractory cHL. Ongoing studies are evaluating their efficacy in earlier lines of therapy and have demonstrated encouraging results. These agents are expected to further change the landscape of cHL management. Increased cure rates and reduced long-term toxicity from traditional chemotherapy and radiotherapy are likely with the emergence of these novel targeted therapies.
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Affiliation(s)
- Yucai Wang
- Division of Hematology, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA
| | | | - Michael L Wang
- Department of Lymphoma/Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Stephen M Ansell
- Division of Hematology, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA.
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19
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Giansanti F, Flavell DJ, Angelucci F, Fabbrini MS, Ippoliti R. Strategies to Improve the Clinical Utility of Saporin-Based Targeted Toxins. Toxins (Basel) 2018; 10:toxins10020082. [PMID: 29438358 PMCID: PMC5848183 DOI: 10.3390/toxins10020082] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Revised: 01/29/2018] [Accepted: 02/11/2018] [Indexed: 02/06/2023] Open
Abstract
Plant Ribosome-inactivating proteins (RIPs) including the type I RIP Saporin have been used for the construction of Immunotoxins (ITxs) obtained via chemical conjugation of the toxic domain to whole antibodies or by generating genetic fusions to antibody fragments/targeting domains able to direct the chimeric toxin against a desired sub-population of cancer cells. The high enzymatic activity, stability and resistance to conjugation procedures and especially the possibility to express recombinant fusions in yeast, make Saporin a well-suited tool for anti-cancer therapy approaches. Previous clinical work on RIPs-based Immunotoxins (including Saporin) has shown that several critical issues must be taken into deeper consideration to fully exploit their therapeutic potential. This review focuses on possible combinatorial strategies (chemical and genetic) to augment Saporin-targeted toxin efficacy. Combinatorial approaches may facilitate RIP escape into the cytosolic compartment (where target ribosomes are), while genetic manipulations may minimize potential adverse effects such as vascular-leak syndrome or may identify T/B cell epitopes in order to decrease the immunogenicity following similar strategies as those used in the case of bacterial toxins such as Pseudomonas Exotoxin A or as for Type I RIP Bouganin. This review will further focus on strategies to improve recombinant production of Saporin-based chimeric toxins.
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Affiliation(s)
- Francesco Giansanti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, I-67100 L'Aquila, Italy.
| | - David J Flavell
- The Simon Flavell Leukaemia Research Laboratory (Leukaemia Busters), Southampton General Hospital, Southampton, SO16 8AT, UK.
| | - Francesco Angelucci
- Department of Life, Health and Environmental Sciences, University of L'Aquila, I-67100 L'Aquila, Italy.
| | | | - Rodolfo Ippoliti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, I-67100 L'Aquila, Italy.
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20
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The Use of Plant-Derived Ribosome Inactivating Proteins in Immunotoxin Development: Past, Present and Future Generations. Toxins (Basel) 2017; 9:toxins9110344. [PMID: 29076988 PMCID: PMC5705959 DOI: 10.3390/toxins9110344] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 10/20/2017] [Accepted: 10/24/2017] [Indexed: 12/20/2022] Open
Abstract
Ribosome inactivating proteins (RIPs) form a class of toxins that was identified over a century ago. They continue to fascinate scientists and the public due to their very high activity and long-term stability which might find useful applications in the therapeutic killing of unwanted cells but can also be used in acts of terror. We will focus our review on the canonical plant-derived RIPs which display ribosomal RNA N-glycosidase activity and irreversibly inhibit protein synthesis by cleaving the 28S ribosomal RNA of the large 60S subunit of eukaryotic ribosomes. We will place particular emphasis on therapeutic applications and the generation of immunotoxins by coupling antibodies to RIPs in an attempt to target specific cells. Several generations of immunotoxins have been developed and we will review their optimisation as well as their use and limitations in pre-clinical and clinical trials. Finally, we endeavour to provide a perspective on potential future developments for the therapeutic use of immunotoxins.
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21
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van der Weyden CA, Pileri SA, Feldman AL, Whisstock J, Prince HM. Understanding CD30 biology and therapeutic targeting: a historical perspective providing insight into future directions. Blood Cancer J 2017; 7:e603. [PMID: 28885612 PMCID: PMC5709754 DOI: 10.1038/bcj.2017.85] [Citation(s) in RCA: 149] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 07/17/2017] [Accepted: 07/20/2017] [Indexed: 12/12/2022] Open
Abstract
CD30 is a member of the tumor necrosis factor receptor superfamily. It is characteristically expressed in certain hematopoietic malignancies, including anaplastic large cell lymphoma and Hodgkin lymphoma, among others. The variable expression of CD30 on both normal and malignant lymphoid cells has focused research efforts on understanding the pathogenesis of CD30 upregulation, its contribution to lymphomagenesis through anti-apoptotic mechanisms, and its effect on cell survival. Given the restriction of CD30 to certain tumor types, the logical extension of this has been to attempt to exploit it as a therapeutic target. The efficacy of naked anti-CD30 antibodies in practice was, however, modest. Moreover, combinations with bacterial toxins and radioimmunoconjugates have also had limited success. The development of the antibody-drug compound brentuximab vedotin (BV), however, has rejuvenated interest in CD30 as a tumor target. Phase I and II clinical trials in Hodgkin lymphoma, peripheral T-cell lymphoma, cutaneous T cell lymphoma, and even CD30-expressing B-cell lymphomas, have shown the compound is well tolerated, but more importantly, able to deliver meaningful disease control even in patients with multiply relapsed or refractory disease. FDA approval has been granted for its use in relapsed Hodgkin lymphoma and systemic anaplastic large cell lymphoma. A recent phase III trial of BV in cutaneous T-cell lymphoma has confirmed its superiority to standard of care therapies. In this manuscript, we explore the history of CD30 as a tumor marker and as a therapeutic target, both in the laboratory and in the clinic, with a view to understanding future avenues for further study.
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Affiliation(s)
- C A van der Weyden
- Department of Haematology, Peter McCallum Cancer Centre, Melbourne, Victoria, Australia
| | - S A Pileri
- Haematopathology Unit, European Institute of Oncology, Milan, Italy
- Bologna University School of Medicine, Bologna, Italy
| | - A L Feldman
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - J Whisstock
- ARC Centre of Excellence in Advanced Molecular Imaging, Monash University, Clayton, Victoria, Australia
| | - H M Prince
- Department of Haematology, Peter McCallum Cancer Centre, Melbourne, Victoria, Australia
- Epworth Healthcare, Melbourne, Victoria, Australia
- Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia
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22
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Two Saporin-Containing Immunotoxins Specific for CD20 and CD22 Show Different Behavior in Killing Lymphoma Cells. Toxins (Basel) 2017; 9:toxins9060182. [PMID: 28556822 PMCID: PMC5488032 DOI: 10.3390/toxins9060182] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 05/18/2017] [Accepted: 05/26/2017] [Indexed: 11/17/2022] Open
Abstract
Immunotoxins (ITs) are hybrid proteins combining the binding specificity of antibodies with the cytocidal properties of toxins. They represent a promising approach to lymphoma therapy. The cytotoxicity of two immunotoxins obtained by chemical conjugation of the plant toxin saporin-S6 with the anti-CD20 chimeric antibody rituximab and the anti-CD22 murine antibody OM124 were evaluated on the CD20-/CD22-positive cell line Raji. Both ITs showed strong cytotoxicity for Raji cells, but the anti-CD22 IT was two logs more efficient in killing, probably because of its faster internalization. The anti-CD22 IT gave slower but greater caspase activation than the anti-CD20 IT. The cytotoxic effect of both immunotoxins can be partially prevented by either the pan-caspase inhibitor Z-VAD or the necroptosis inhibitor necrostatin-1. Oxidative stress seems to be involved in the cell killing activity of anti-CD20 IT, as demonstrated by the protective role of the H2O2 scavenger catalase, but not in that of anti-CD22 IT. Moreover, the IT toxicity can be augmented by the contemporary administration of other chemotherapeutic drugs, such as PS-341, MG-132, and fludarabine. These results contribute to the understanding of the immunotoxin mechanism of action that is required for their clinical use, either alone or in combination with other drugs.
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23
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Bolognesi A, Bortolotti M, Battelli MG, Polito L. Hyperuricaemia, Xanthine Oxidoreductase and Ribosome-Inactivating Proteins from Plants: The Contributions of Fiorenzo Stirpe to Frontline Research. Molecules 2017; 22:molecules22020206. [PMID: 28134797 PMCID: PMC6155646 DOI: 10.3390/molecules22020206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Accepted: 01/23/2017] [Indexed: 11/16/2022] Open
Abstract
The enzymes called ribosome-inactivating proteins (RIPs) that are able to depurinate nucleic acids and arrest vital cellular functions, including protein synthesis, are still a frontline research field, mostly because of their promising medical applications. The contributions of Stirpe to the development of these studies has been one of the most relevant. After a short biographical introduction, an overview is offered of the main results obtained by his investigations during last 55 years on his main research lines: hyperuricaemia, xanthine oxidoreductase and RIPs.
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Affiliation(s)
- Andrea Bolognesi
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Massimo Bortolotti
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Maria Giulia Battelli
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Letizia Polito
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
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24
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Abstract
INTRODUCTION CD30 is a cell surface receptor expressed in classical Hodgkin lymphoma (HL), anaplastic large cell lymphoma (ALCL), and many other lymphomas to a variable degree. It has been identified as an important therapeutic target in lymphoma. Areas covered: CD30 testing is essential in diagnosis of classical HL and ALCL, and expression can also be seen in other lymphoma subtypes. Development of Brentuximab vedotin (BV), an antibody-drug conjugate directed to CD30, has been an important advance in lymphoma treatment. It is approved in treatment of relapsed HL and ALCL, as well as post-transplant maintenance for HL, and has been shown to be effective in other CD30-expressing lymphomas. This review describes the role of CD30 and the use of CD30-targeted agents in HL, ALCL, and other lymphomas, including review of relevant trials of BV. Expert commentary: Recognition of CD30 expression in lymphoma has led to the development of important therapeutic options. Multiple trials are ongoing combining BV with other agents, such as chemotherapy or immunotherapy, to develop more effective regimens. In addition, treatments targeting CD30 in different ways are being developed, such as bispecific antibodies and chimeric antigen receptor (CAR) T-cells.
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Affiliation(s)
- John Matthew R Pierce
- a Hematology & Oncology , University of Alabama at Birmingham , Birmingham , AL , USA
| | - Amitkumar Mehta
- a Hematology & Oncology , University of Alabama at Birmingham , Birmingham , AL , USA.,b Department Of Medicine , University of Alabama at Birmingham , Birmingham , AL , USA
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Bolognesi A, Bortolotti M, Maiello S, Battelli MG, Polito L. Ribosome-Inactivating Proteins from Plants: A Historical Overview. Molecules 2016; 21:molecules21121627. [PMID: 27898041 PMCID: PMC6273060 DOI: 10.3390/molecules21121627] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 11/22/2016] [Accepted: 11/23/2016] [Indexed: 12/12/2022] Open
Abstract
This review provides a historical overview of the research on plant ribosome-inactivating proteins (RIPs), starting from the first studies at the end of eighteenth century involving the purification of abrin and ricin, as well as the immunological experiments of Paul Erlich. Interest in these plant toxins was revived in 1970 by the observation of their anticancer activity, which has given rise to a large amount of research contributing to the development of various scientific fields. Biochemistry analyses succeeded in identifying the enzymatic activity of RIPs and allowed for a better understanding of the ribosomal machinery. Studies on RIP/cell interactions were able to detail the endocytosis and intracellular routing of ricin, thus increasing our knowledge of how cells handle exogenous proteins. The identification of new RIPs and the finding that most RIPs are single-chain polypeptides, together with their genetic sequencing, has aided in the development of new phylogenetic theories. Overall, the biological properties of these proteins, including their abortifacient, anticancer, antiviral and neurotoxic activities, suggest that RIPs could be utilized in agriculture and in many biomedical fields, including clinical drug development.
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Affiliation(s)
- Andrea Bolognesi
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Massimo Bortolotti
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Stefania Maiello
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Maria Giulia Battelli
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Letizia Polito
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
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Bhatt G, Maddocks K, Christian B. CD30 and CD30-Targeted Therapies in Hodgkin Lymphoma and Other B cell Lymphomas. Curr Hematol Malig Rep 2016; 11:480-491. [DOI: 10.1007/s11899-016-0345-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Polito L, Djemil A, Bortolotti M. Plant Toxin-Based Immunotoxins for Cancer Therapy: A Short Overview. Biomedicines 2016; 4:biomedicines4020012. [PMID: 28536379 PMCID: PMC5344252 DOI: 10.3390/biomedicines4020012] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 05/23/2016] [Accepted: 05/30/2016] [Indexed: 02/07/2023] Open
Abstract
Immunotoxins are chimeric proteins obtained by linking a toxin to either an intact antibody or an antibody fragment. Conjugation can be obtained by chemical or genetic engineering, where the latter yields recombinant conjugates. An essential requirement is that the target molecule recognized by the antibody is confined to the cell population to be deleted, or at least that it is not present on stem cells or other cell types essential for the organism’s survival. Hundreds of different studies have demonstrated the potential for applying immunotoxins to many models in pre-clinical studies and in clinical trials. Immunotoxins can be theoretically used to eliminate any unwanted cell responsible for a pathological condition. The best results have been obtained in cancer therapy, especially in hematological malignancies. Among plant toxins, the most frequently employed to generate immunotoxins are ribosome-inactivating proteins, the most common being ricin. This review summarizes the various approaches and results obtained in the last four decades by researchers in the field of plant toxin-based immunotoxins for cancer therapy.
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Affiliation(s)
- Letizia Polito
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Alice Djemil
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Massimo Bortolotti
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
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Bröckelmann PJ, Borchmann P, Engert A. Current and future immunotherapeutic approaches in Hodgkin lymphoma. Leuk Lymphoma 2016; 57:2014-24. [PMID: 27243940 DOI: 10.1080/10428194.2016.1185789] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Hodgkin lymphoma (HL) has become a highly curable malignancy even in advanced stages when treated adequately. However, relapsed or refractory disease and treatment-related toxicity constitute a significant clinical challenge. Innovative approaches are thus needed to improve treatment of these mainly young patients. In HL lesions, very few malignant Hodgkin and Reed-Sternberg (HRS) cells are embedded in an immunosuppressive microenvironment of reactive cells. Novel approaches such as bispecific antibodies, antibody-drug conjugates, immune-checkpoint inhibitors or adoptive cellular therapies are currently being investigated with promising results in relapsed or refractory patients. Encouraging response rates and a favorable toxicity profile have recently been reported in early phase clinical trials with antibodies blocking the programed-death receptor 1 (PD1). This review will summarize the current clinical knowledge on mechanism, safety and efficacy of the different agents and discuss potential future strategies, which are partly already investigated within clinical trials.
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Affiliation(s)
- Paul J Bröckelmann
- a Department I of Internal Medicine and German Hodgkin Study Group (GHSG) , University Hospital of Cologne , Cologne , Germany
| | - Peter Borchmann
- a Department I of Internal Medicine and German Hodgkin Study Group (GHSG) , University Hospital of Cologne , Cologne , Germany
| | - Andreas Engert
- a Department I of Internal Medicine and German Hodgkin Study Group (GHSG) , University Hospital of Cologne , Cologne , Germany
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Spiess K, Jakobsen MH, Kledal TN, Rosenkilde MM. The future of antiviral immunotoxins. J Leukoc Biol 2016; 99:911-25. [PMID: 26729815 DOI: 10.1189/jlb.2mr1015-468r] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 12/03/2015] [Indexed: 01/06/2023] Open
Abstract
There is a constant need for new therapeutic interventions in a wide range of infectious diseases. Over the past few years, the immunotoxins have entered the stage as promising antiviral treatments. Immunotoxins have been extensively explored in cancer treatment and have achieved FDA approval in several cases. Indeed, the design of new anticancer immunotoxins is a rapidly developing field. However, at present, several immunotoxins have been developed targeting a variety of different viruses with high specificity and efficacy. Rather than blocking a viral or cellular pathway needed for virus replication and dissemination, immunotoxins exert their effect by killing and eradicating the pool of infected cells. By targeting a virus-encoded target molecule, it is possible to obtain superior selectivity and drastically limit the side effects, which is an immunotoxin-related challenge that has hindered the success of immunotoxins in cancer treatment. Therefore, it seems beneficial to use immunotoxins for the treatment of virus infections. One recent example showed that targeting of virus-encoded 7 transmembrane (7TM) receptors by immunotoxins could be a future strategy for designing ultraspecific antiviral treatment, ensuring efficient internalization and hence efficient eradication of the pool of infected cells, both in vitro and in vivo. In this review, we provide an overview of the mechanisms of action of immunotoxins and highlight the advantages of immunotoxins as future anti-viral therapies.
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Affiliation(s)
- Katja Spiess
- Laboratory for Molecular Pharmacology, Department of Neuroscience and Pharmacology, Faculty of Health and Medical Science, University of Copenhagen, Denmark; and
| | - Mette Høy Jakobsen
- Laboratory for Molecular Pharmacology, Department of Neuroscience and Pharmacology, Faculty of Health and Medical Science, University of Copenhagen, Denmark; and
| | - Thomas N Kledal
- Section for Virology, Veterinary Institute, The Danish Technical University, Denmark
| | - Mette M Rosenkilde
- Laboratory for Molecular Pharmacology, Department of Neuroscience and Pharmacology, Faculty of Health and Medical Science, University of Copenhagen, Denmark; and
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Inghirami G, Chan WC, Pileri S. Peripheral T-cell and NK cell lymphoproliferative disorders: cell of origin, clinical and pathological implications. Immunol Rev 2015; 263:124-59. [PMID: 25510275 DOI: 10.1111/imr.12248] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
T-cell lymphoproliferative disorders are a heterogeneous group of neoplasms with distinct clinical-biological properties. The normal cellular counterpart of these processes has been postulated based on functional and immunophenotypic analyses. However, T lymphocytes have been proven to be remarkably capable of modulating their properties, adapting their function in relationship with multiple stimuli and to the microenvironment. This impressive plasticity is determined by the equilibrium among a pool of transcription factors and by DNA chromatin regulators. It is now proven that the acquisition of specific genomic defects leads to the enforcement/activation of distinct pathways, which ultimately alter the preferential activation of defined regulators, forcing the neoplastic cells to acquire features and phenotypes distant from their original fate. Thus, dissecting the landscape of the genetic defects and their functional consequences in T-cell neoplasms is critical not only to pinpoint the origin of these tumors but also to define innovative mechanisms to re-adjust an unbalanced state to which the tumor cells have become addicted and make them vulnerable to therapies and targetable by the immune system. In our review, we briefly describe the pathological and clinical aspects of the T-cell lymphoma subtypes as well as NK-cell lymphomas and then focus on the current understanding of their pathogenesis and the implications on diagnosis and treatment.
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Affiliation(s)
- Giorgio Inghirami
- Department of Molecular Biotechnology and Health Science and Center for Experimental Research and Medical Studies (CeRMS), University of Torino, Torino, Italy; Department of Pathology, and NYU Cancer Center, New York University School of Medicine, New York, NY, USA; Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY, USA
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Abstract
Although a poster child for the development and refinement of multi-modal multi-agent therapeutic strategies, Hodgkin Lymphoma has, until recently, lagged behind other lymphomas in terms of the use of therapeutic monoclonal antibodies. This situation has now changed dramatically, with the rapid emergence both of a toxin-conjugated tumour-selective anti-CD30 antibody, and of antibodies targeting immunological checkpoints, most notably PD-1 (also termed PDCD1). The former provides an efficient targeting vehicle for delivery of a potent synthetic anti-mitotic drug, with ultimate efficacy independent of immunological activity. The latter are members of a class of drugs representing a new paradigm in immune-oncological therapies that are designed to enhance pre-existent anti-tumour T cell activities. The role of both in the overall treatment pathway will continue to evolve over coming years. Hodgkin Lymphoma has once again become emblematic of the major trend shifts in cancer therapy.
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Affiliation(s)
- Karl S Peggs
- Department of Haematology, University College London Hospitals NHS Foundation Trust and University College London Cancer Institute, London, UK
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Management of relapsed or refractory hodgkin lymphoma with second-generation antibody-drug conjugates: focus on brentuximab vedotin. BioDrugs 2015; 28:245-51. [PMID: 24258497 DOI: 10.1007/s40259-013-0077-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Brentuximab vedotin (Adcetris, Seattle Genetics) is an antibody-drug conjugate (ADC) that joins an anti-CD 30 monoclonal antibody with the anti-tubulin agent monomethyl auristatin E via a dipeptide linker. It has demonstrated significant activity in CD 30-positive lymphomas and is currently approved by the US FDA for treatment of Hodgkin lymphoma that has relapsed following autologous stem-cell transplantation, or after two lines of chemotherapy in non-transplant candidates. Brentuximab vedotin has also been approved for the treatment of relapsed anaplastic large-cell lymphoma after front-line chemotherapy. We briefly review the biology of Hodgkin lymphoma, with a focus on the pathogenic role of CD 30 as well as the development of CD 30-targeted therapy. We also discuss both the current role of brentuximab vedotin in the management of relapsed and refractory Hodgkin lymphoma and the likely future developments for this agent.
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Schirrmann T, Steinwand M, Wezler X, Ten Haaf A, Tur MK, Barth S. CD30 as a therapeutic target for lymphoma. BioDrugs 2015; 28:181-209. [PMID: 24043362 DOI: 10.1007/s40259-013-0068-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hodgkin's lymphoma (HL) and ALK(+) anaplastic large-cell lymphoma (ALCL) have become highly curable due to the success of modern regimens of chemotherapy and radiotherapy. However, up to one-third of the patients experience relapse or do not respond to first-line therapy, and half of them relapse again after secondary therapy with limited options for further treatment. In the last 15 years, monoclonal antibodies (mAbs) directed to surface receptors became a new and valuable therapeutic option in many hematologic malignancies. Due to its restricted expression on normal activated lymphocytes and its high expression on malignant cells, CD30 represents an attractive target molecule for HL and ALCL therapy. However, unconjugated CD30 mAbs have demonstrated a lack of objective clinical responses in patients with recurrent HL. CD30 exhibits complex signaling pathways, and binding of its natural ligand or anti-CD30 mAbs can induce apoptosis but may also promote proliferation and activation depending on the cellular context. Moreover, CD30 rapidly internalizes after crosslinking, which counteracts efficient recruitment of immunologic effectors but also provides the opportunity to transfer cytotoxic payloads coupled to CD30-specific mAbs into the tumor cells. Several tumor targeting approaches have been studied, including radio-immunoconjugates, immunotoxins, immunoRNases, immunokinases, and antibody drug conjugates (ADCs). In 2011, the ADC brentuximab-vedotin, consisting of the CD30-specific chimeric mAb cAC10 and the potent tubulin toxin monomethyl auristatin E, gained regulatory approval as a well tolerated and highly active drug in patients with refractory and relapsed HL and ALCL. SGN-35 is on the way to being incorporated in the standard management of CD30(+) lymphoma with significant therapeutic impact. This review gives a critical overview about anti-CD30 therapies with unconjugated, engineered, and conjugated mAbs and the therapeutic challenges of treatment of CD30(+) lymphoma.
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Affiliation(s)
- Thomas Schirrmann
- Department of Biotechnology, Institute of Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstr. 7, 38106, Braunschweig, Germany,
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Macalalad AR, McAuliffe M, Yang H, Kageleiry A, Zhong Y, Wu EQ, Shonukan O, Bonthapally V. The epidemiology and targeted therapies for relapsed and refractory CD30+ lymphomas. Curr Med Res Opin 2015; 31:537-45. [PMID: 25598441 DOI: 10.1185/03007995.2015.1008131] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Hodgkin lymphoma (HL) and systemic anaplastic large cell lymphoma (sALCL) both have consistent expression of CD30, a cytokine receptor that is expressed by activated T and B cells but is largely absent from normal tissue. METHODS A literature search was conducted via PubMed, Google Scholar, and UpToDate to identify relevant peer-reviewed original research or review articles on HL, sALCL, and CD30 targeted therapies. RESULTS These lymphomas are both more common among males, young adults and the elderly. Although many patients with HL and sALCL can achieve long-term remission after standard first-line therapy, up to a third of these patients are refractory to or relapse after initial therapy. Among these relapsed/refractory patients, many experience disease progression and/or death despite subsequent treatment, and treatment-related adverse events and mortality are not uncommon. To address the need for safer and more effective therapies for these relapsed/refractory patients, researchers have developed therapies that specifically target CD30-expressing cells. Brentuximab vedotin, an antibody-drug conjugate that selectively delivers a toxic microtubule-disrupting agent to malignant cells with CD30 expression, is the first such therapy to be approved in the US and Europe. In clinical trials, brentuximab vedotin has demonstrated efficacy and safety in patients with HL after failure of autologous stem cell transplantation (ASCT), or after failure of at least two prior multi-agent chemotherapy regimens in patients who are not ASCT candidates, and in patients with sALCL after failure of at least one prior multi-agent chemotherapy regimen. CONCLUSION HL and sALCL are both CD30+ lymphomas, and therapies like brentuximab vedotin that target cells expressing CD30 hold promise for the treatment of these diseases.
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Abstract
CD30 is an important therapeutic target for the treatment of malignant lymphomas. CD30 is a member of the TNF cell receptor superfamily and is highly expressed in a variety of lymphoma subsets, including Hodgkin lymphoma and anaplastic large cell lymphoma. Initial studies evaluated the safety and efficacy of several monoclonal antibodies targeting CD30, with limited success. More recently, the anti-CD30 drug-conjugate brentuximab vedotin produced high response rates with an excellent safety profile. These results lead to the approval of brentuximab vedotin for the treatment of patients with relapsed Hodgkin lymphoma and anaplastic large cell lymphoma. Current studies are focusing on incorporating brentuximab vedotin in front-line regimens and expanding its potential clinical utility in other CD30-expressing malignancies.
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Affiliation(s)
- Anita Kumar
- Lymphoma Service, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, Box 330, New York, NY, 10065, USA
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Holmes SE, Bachran C, Fuchs H, Weng A, Melzig MF, Flavell SU, Flavell DJ. Triterpenoid saponin augmention of saporin-based immunotoxin cytotoxicity for human leukaemia and lymphoma cells is partially immunospecific and target molecule dependent. Immunopharmacol Immunotoxicol 2014; 37:42-55. [PMID: 25347443 DOI: 10.3109/08923973.2014.971964] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
CONTEXT Saponinum album (SA) is a complex mixture of triterpenoid saponins previously shown to augment the cytotoxicity of the type I ribosome-inactivating protein saporin and an EGF-saporin target toxin that could potentially be used to improve the therapeutic window of targeted toxins. OBJECTIVE To investigate the augmentative property of SA on saporin and saporin-based immunotoxins (IT) directed against five different cell surface target molecules on human leukemia and lymphoma cells. MATERIALS AND METHODS After determining the optimum dose of SA for each cell line, the extent of SA-mediated augmentation was established for saporin and five saporin-based ITs using XTT and an annexin V apoptosis assay. Immunospecificity was investigated using three different blocking assays. Dose-scheduling was also investigated using the XTT assay. RESULTS Uncorrected SA-mediated augmentation ranged at best from 31.5 million-fold to, at worse, 174-fold. However, when the calculated fold-increases were adjusted for the non-immunospecific effects of SA on an off-target IT, the true augmentative effects of SA were found to be largely non-immunospecific. Antibody blocking studies demonstrated that the augmentative effect of SA was only partially immunospecific. Separate exposure of target cells to IT and SA at different times demonstrated that immunospecific augmentation of IT by SA could be achieved but only if cells were exposed to IT first and SA second. CONCLUSIONS SA significantly, although variably, augments the cytotoxicity of saporin and saporin-based immunotoxins. Concomitant exposure to both IT and SA can result in non-immunospecific cytotoxicity that can be overcome by temporally separating exposure to each.
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Affiliation(s)
- Suzanne E Holmes
- The Simon Flavell Leukaemia Research Laboratory, Southampton General Hospital , Southampton , UK
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Aggressive Subcutaneous Panniculitis-Like CD30+ Peripheral T-Cell Lymphoma with Diffuse EBER Expression. Case Rep Hematol 2014; 2014:874725. [PMID: 25143841 PMCID: PMC4124837 DOI: 10.1155/2014/874725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Accepted: 06/30/2014] [Indexed: 11/18/2022] Open
Abstract
T-cell lineage lymphoma with an intense membranous and paranuclear CD30 expression in the absence of ALK1 raises a differential diagnosis of peripheral T-cell lymphoma (PTCL), NOS and anaplastic large cell lymphoma (ALCL), ALK negative. However, Epstein-Barr virus is consistently negative in ALCL and is not considered an implicating factor in its pathogenesis. We describe a case of T-cell lymphoma showing anaplastic large cell morphology with scattered hallmark cells and a uniform CD30 and Epstein-Barr virus encoded early RNA (EBER) expression that primarily involved the subcutaneous tissue at presentation. On incisional biopsy, the neoplastic cells were positive for CD3, CD2, and CD30 while negative for LCA, CD20, PAX5, CD56, ALK1, and cytotoxic granules. Molecular analysis identified a positive T-cell receptor (beta and gamma) gene rearrangement by PCR. Proliferation index approached 100% and the patient had a rapidly progressive course; the subcutaneous lesions more than doubled in size within couple of weeks with new evidence for widespread systemic involvement. This case emphasizes a rare EBV association with a CD30 positive T-cell lymphoma where the morphologic and immunophenotypic findings are otherwise nondiscriminatory between PTCL, NOS and ALCL, ALK negative.
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Stein H, Diehl V. First Hodgkin Cell Line L428 and the CD30 Antigen. Hematol Oncol Clin North Am 2014; 28:1-11. [DOI: 10.1016/j.hoc.2013.10.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Okeley NM, Alley SC, Senter PD. Advancing Antibody Drug Conjugation. Hematol Oncol Clin North Am 2014; 28:13-25. [DOI: 10.1016/j.hoc.2013.10.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Lai CM, Horowitz S. Brentuximab vedotin: treatment role for relapsed refractory systemic anaplastic large-cell lymphoma. Expert Rev Hematol 2014; 6:361-73. [DOI: 10.1586/17474086.2013.814434] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Saporin-S6: a useful tool in cancer therapy. Toxins (Basel) 2013; 5:1698-722. [PMID: 24105401 PMCID: PMC3813907 DOI: 10.3390/toxins5101698] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Revised: 09/17/2013] [Accepted: 09/22/2013] [Indexed: 01/24/2023] Open
Abstract
Thirty years ago, the type 1 ribosome-inactivating protein (RIP) saporin-S6 (also known as saporin) was isolated from Saponaria officinalis L. seeds. Since then, the properties and mechanisms of action of saporin-S6 have been well characterized, and it has been widely employed in the construction of conjugates and immunotoxins for different purposes. These immunotoxins have shown many interesting results when used in cancer therapy, particularly in hematological tumors. The high enzymatic activity, stability and resistance to conjugation procedures and blood proteases make saporin-S6 a very useful tool in cancer therapy. High efficacy has been reported in clinical trials with saporin-S6-containing immunotoxins, at dosages that induced only mild and transient side effects, which were mainly fever, myalgias, hepatotoxicity, thrombocytopenia and vascular leak syndrome. Moreover, saporin-S6 triggers multiple cell death pathways, rendering impossible the selection of RIP-resistant mutants. In this review, some aspects of saporin-S6, such as the chemico-physical characteristics, the structural properties, its endocytosis, its intracellular routing and the pathogenetic mechanisms of the cell damage, are reported. In addition, the recent progress and developments of saporin-S6-containing immunotoxins in cancer immunotherapy are summarized, including in vitro and in vivo pre-clinical studies and clinical trials.
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Sabattini E, Pizzi M, Tabanelli V, Baldin P, Sacchetti CS, Agostinelli C, Zinzani PL, Pileri SA. CD30 expression in peripheral T-cell lymphomas. Haematologica 2013; 98:e81-2. [PMID: 23716537 DOI: 10.3324/haematol.2013.084913] [Citation(s) in RCA: 108] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Wasik MA, Jimenez GS, Weisenburger DD. Targeting CD30 in malignant tissues: challenges in detection and clinical applications. Pathobiology 2013; 80:252-8. [PMID: 23689361 DOI: 10.1159/000347192] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Accepted: 01/17/2013] [Indexed: 11/19/2022] Open
Abstract
The CD30 transmembrane receptor from the tumor necrosis factor receptor family is expressed in a distinct, yet diverse set of lymphoproliferative disorders and a small subset of normal activated lymphocytes. Therefore, detection of CD30 expression when performed properly according to the standardized methods facilitates diagnosis of Hodgkin lymphoma, anaplastic large cell lymphoma, and other disorders expressing the receptor. More recently, CD30 has also become an attractive therapeutic target. The preliminary observations indicate that the methods currently used to detect CD30 expression, typically immunohistochemistry performed on formalin-fixed, paraffin-embedded tissues, may be suboptimal in regard to identifying CD30 as a therapeutic target since only a limited number of CD30 receptor molecules per cell may be sufficient to achieve therapeutic effect.
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Affiliation(s)
- Mariusz A Wasik
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pa., USA.
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Ribosome-inactivating proteins: from toxins to useful proteins. Toxicon 2013; 67:12-6. [PMID: 23462379 DOI: 10.1016/j.toxicon.2013.02.005] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Revised: 01/22/2013] [Accepted: 02/07/2013] [Indexed: 01/08/2023]
Abstract
Ribosome-inactivating proteins (RIPs) either single-chain (type 1) or two-chain (type 2) are frequent in plants, often in multiple forms. They are RNA N-glycosidases, have antiviral, antifungal and insecticidal activity. Their expression in plants is increased under stressful conditions. They are investigated for practical applications in medicine and in agriculture. In medicine, RIPs have been linked to, or fused with, appropriate antibodies or other carriers to form "immunotoxins" or other conjugates specifically toxic to the cells target of the carrier, with the aim of eliminating malignant or other undesired cells. In agriculture, it has been observed that an enhanced expression of RIPs confers to plants an increased resistance to viruses, fungi, insects, and also to drought and salinity.
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Abstract
Inhibitors of tumour necrosis factor (TNF) are among the most successful protein-based drugs (biologics) and have proven to be clinically efficacious at reducing inflammation associated with several autoimmune diseases. As a result, attention is focusing on the therapeutic potential of additional members of the TNF superfamily of structurally related cytokines. Many of these TNF-related cytokines or their cognate receptors are now in preclinical or clinical development as possible targets for modulating inflammatory diseases and cancer as well as other indications. This Review focuses on the biologics that are currently in clinical trials for immune-related diseases and other syndromes, discusses the successes and failures to date as well as the expanding therapeutic potential of modulating the activity of this superfamily of molecules.
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Affiliation(s)
- Michael Croft
- Division of Immune Regulation, La Jolla Institute for Allergy and Immunology, La Jolla, California 92037, USA.
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Vaklavas C, Forero-Torres A. Safety and efficacy of brentuximab vedotin in patients with Hodgkin lymphoma or systemic anaplastic large cell lymphoma. Ther Adv Hematol 2012; 3:209-25. [PMID: 23606932 PMCID: PMC3627331 DOI: 10.1177/2040620712443076] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Antibody-based immunotherapy has become an integral part of cancer therapeutics. However, monoclonal antibodies have their limitations as identifying an antigen selectively expressed on malignant cells and developing a high-affinity antibody may not by itself alter tumor growth. This is illustrated in the case of CD30; CD30 epitomizes many properties of an ideal pharmacologic target such as high expression on malignant cells and limited expression on normal tissues. However, until the advent of brentuximab vedotin, CD30 remained an elusive target as antibody-based anti-CD30 immunotherapy had been largely clinically unsuccessful. Brentuximab vedotin (cAC10-vcMMAE, SGN-35) is an antibody-drug conjugate consisting of a chimeric anti-CD30 monoclonal antibody whereupon the potent microtubule inhibitor monomethyl auristatin E (MMAE) is attached via a valine-citrulline linker. Once bound to CD30, brentuximab vedotin is internalized and MMAE is released with the action of lysosomal enzymes on the linker. In phase I studies in relapsed or refractory Hodgkin lymphoma and anaplastic large cell lymphoma, brentuximab vedotin induced unprecedented responses with manageable toxicity. In phase II studies, brentuximab vedotin induced overall response rates of 75% and 86% in relapsed or refractory Hodgkin lymphoma and anaplastic large cell lymphoma, respectively. The results of these trials led to the accelerated approval of the drug by the US Food and Drug Administration in a patient population with few other alternative options. Brentuximab vedotin has overall manageable toxicity profile; however, cumulative peripheral neuropathy constitutes an important clinical consideration as it may limit prolonged administration of the drug. The mechanism by which brentuximab vedotin exerts its antitumor activity is not entirely clear. Diffusion of MMAE in the tumor microenvironment and cytotoxicity on bystander cells may in part explain its activity, especially in Hodgkin lymphoma. Herein, we review the biology of CD30 and brentuximab vedotin, and the clinical data that has accumulated thus far with SGN-35.
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Affiliation(s)
- Christos Vaklavas
- Division of Hematology/Oncology, Comprehensive Cancer Center, University of Alabama at Birmingham, AL, USA
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Merkel O, Hamacher F, Sifft E, Kenner L, Greil R. Novel therapeutic options in anaplastic large cell lymphoma: molecular targets and immunological tools. Mol Cancer Ther 2011; 10:1127-36. [PMID: 21712478 DOI: 10.1158/1535-7163.mct-11-0042] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Anaplastic large cell lymphoma (ALCL) is a CD30-positive, aggressive T-cell lymphoma, and about half of the patients with this disease harbor the t(2;5)(p21;q35) translocation. This chromosomal aberration leads to fusion of the NPM gene with the ALK tyrosine kinase, leading to its constitutive activation. To date, treatment options include polychemotherapy (e.g., cyclophosphamide, doxorubicin, vincristine, and prednisone), which is sometimes combined with radiation in the case of bulky disease, leading to remission rates of ∼80%. However, the remaining patients do not respond to therapy, and some patients experience chemo-resistant relapses, making the identification of new and better treatments imperative. The recent discovery of deregulated ALK in common cancers such as non-small cell lung cancer and neuroblastoma has reinvigorated industry interest in the development of ALK inhibitors. Moreover, it has been shown that the ALK protein is an ideal antigen for vaccination strategies due to its low expression in normal tissue. The characterization of microRNAs that are deregulated in ALCL will yield new insights into the biology of ALCL and open new avenues for therapeutic approaches in the future. Also, CD30 antibodies that have been tested in ALCL for quite a while will probably find a place in forthcoming treatment strategies.
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Affiliation(s)
- Olaf Merkel
- Laboratory for Immunological and Molecular Cancer Research, Third Medical Department, Paracelsus Medical University Salzburg, Müllner Hauptstrasse 48, 5020 Salzburg, Austria.
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