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Skorupan N, Peer CJ, Zhang X, Choo-Wosoba H, Ahmad MI, Lee MJ, Rastogi S, Sato N, Yu Y, Pegna GJ, Steinberg SM, Kalsi SS, Cao L, Figg WD, Trepel JB, Pastan I, FitzGerald D, Alewine C. Tofacitinib to prevent anti-drug antibody formation against LMB-100 immunotoxin in patients with advanced mesothelin-expressing cancers. Front Oncol 2024; 14:1386190. [PMID: 38706610 PMCID: PMC11066227 DOI: 10.3389/fonc.2024.1386190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 03/22/2024] [Indexed: 05/07/2024] Open
Abstract
Background LMB-100 is a mesothelin (MSLN)-targeting recombinant immunotoxin (iTox) carrying a Pseudomonas exotoxin A payload that has shown promise against solid tumors, however, efficacy is limited by the development of neutralizing anti-drug antibodies (ADAs). Tofacitinib is an oral Janus Kinase (JAK) inhibitor that prevented ADA formation against iTox in preclinical studies. Methods A phase 1 trial testing LMB-100 and tofacitinib in patients with MSLN-expressing cancers (pancreatic adenocarcinoma, n=13; cholangiocarcinoma, n=1; appendiceal carcinoma, n=1; cystadenocarcinoma, n=1) was performed to assess safety and to determine if tofacitinib impacted ADA formation. Participants were treated for up to 3 cycles with LMB-100 as a 30-minute infusion on days 4, 6, and 8 at two dose levels (100 and 140 µg/kg) while oral tofacitinib was administered for the first 10 days of the cycle (10 mg BID). Peripheral blood was collected for analysis of ADA levels, serum cytokines and circulating immune subsets. Results The study was closed early due to occurrence of drug-induced pericarditis in 2 patients. Pericarditis with the combination was not reproducible in a transgenic murine model containing human MSLN. Two of 4 patients receiving all 3 cycles of treatment maintained effective LMB-100 levels, an unusual occurrence. Sustained increases in systemic IL-10 and TNF-α were seen, a phenomenon not observed in prior LMB-100 studies. A decrease in activated T cell subsets and an increase in circulating immunosuppressive myeloid populations occurred. No radiologic decreases in tumor volume were observed. Discussion Further testing of tofacitinib to prevent ADA formation is recommended in applicable non-malignant disease settings. Clinical trial registration https://www.clinicaltrials.gov/study/NCT04034238.
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Affiliation(s)
- Nebojsa Skorupan
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Cody J. Peer
- Clinical Pharmacology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Xianyu Zhang
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Hyoyoung Choo-Wosoba
- Biostatistics and Data Management Section, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Mehwish I. Ahmad
- Office of Research Nursing, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Min-Jung Lee
- Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Shraddha Rastogi
- Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Nahoko Sato
- Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Yunkai Yu
- Genetics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Guillaume Joe Pegna
- Medical Oncology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Seth M. Steinberg
- Biostatistics and Data Management Section, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Shelley S. Kalsi
- Hematology Consult and Graduate Medical Section, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Liang Cao
- Genetics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - William D. Figg
- Clinical Pharmacology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Jane B. Trepel
- Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Ira Pastan
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - David FitzGerald
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Christine Alewine
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
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Cutri-French C, Nasioudis D, George E, Tanyi JL. CAR-T Cell Therapy in Ovarian Cancer: Where Are We Now? Diagnostics (Basel) 2024; 14:819. [PMID: 38667465 PMCID: PMC11049291 DOI: 10.3390/diagnostics14080819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/29/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
The success of chimeric antigen receptor T-cell (CAR-T) therapies in the treatment of hematologic malignancies has led to the investigation of their potential in the treatment of solid tumors, including ovarian cancer. While the immunosuppressive microenvironment of ovarian cancer has been a barrier in their implementation, several early phase clinical trials are currently evaluating CAR-T cell therapies targeting mesothelin, folate receptor a, HER2, MUC16, and B7H3. Ongoing challenges include cytokine-associated and "on-target, off-tumor" toxicities, while most common adverse events include cytokine release syndrome, hemophagocytic lymphohistiocytosis/macrophage activation-like syndrome (HLH/MAS), and neurotoxicity. In the present review, we summarize the current status of CAR-T therapy in ovarian cancer and discuss future directions.
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Affiliation(s)
- Clare Cutri-French
- Department of Obstetrics and Gynecology, University of Pennsylvania Health System, Philadelphia, PA 19104, USA;
| | - Dimitrios Nasioudis
- Division of Gynecologic Oncology, University of Pennsylvania Health System, Philadelphia, PA 19104, USA
| | - Erin George
- Moffitt Cancer Center, Richard M. Schulze Family Foundation Outpatient Center at McKinley Campus, 10920 McKinley Dr, Tampa, FL 33612, USA
| | - Janos L. Tanyi
- Division of Gynecologic Oncology, University of Pennsylvania Health System, Philadelphia, PA 19104, USA
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Chu GJ, Bailey CG, Nagarajah R, Liang O, Metierre C, Sagnella SM, Castelletti L, Yeo D, Adelstein S, Rasko JEJ. Mesothelin antigen density influences anti-mesothelin chimeric antigen receptor T cell cytotoxicity. Cytotherapy 2024; 26:325-333. [PMID: 38349311 DOI: 10.1016/j.jcyt.2024.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 01/05/2024] [Accepted: 01/27/2024] [Indexed: 04/07/2024]
Abstract
BACKGROUND AIMS Several anti-mesothelin (MSLN) chimeric antigen receptor (CAR) T cells are in phase 1/2 clinical trials to treat solid-organ malignancies. The effect of MSLN antigen density on MSLN CAR cytotoxicity against tumor cells has not been examined previously, nor are there data regarding the effect of agents that increase MSLN antigen density on anti-MSLN CAR T cell efficacy. METHODS MSLN antigen density was measured on a panel of pancreatic cancer and mesothelioma cell lines by flow cytometry. In parallel, the cytotoxicity and specificity of two anti-MSLN CAR T cells (m912 and SS1) were compared against these cell lines using a real-time impedance-based assay. The effect of two MSLN 'sheddase' inhibitors (lanabecestat and TMI-1) that increase MSLN surface expression was also tested in combination with CAR T cells. RESULTS SS1 CAR T cells were more cytotoxic compared with m912 CAR T cells against cell lines that expressed fewer than ∼170 000 MSLN molecules/cell. A comparison of the m912 and amatuximab (humanized SS1) antibodies identified that amatuximab could detect and bind to lower levels of MSLN on pancreatic cancer and mesothelioma cell lines, suggesting that superior antibody/scFv affinity was the reason for the SS1 CAR's superior cytotoxicity. The cytotoxicity of m912 CAR T cells was improved in the presence of sheddase inhibitors, which increased MSLN antigen density. CONCLUSIONS These data highlight the value of assessing CAR constructs against a panel of cells expressing varying degrees of target tumor antigen as occurs in human tumors. Furthermore, the problem of low antigen density may be overcome by concomitant administration of drugs that inhibit enzymatic shedding of MSLN.
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Affiliation(s)
- Gerard J Chu
- Gene and Stem Cell Therapy Program Centenary Institute, Camperdown, NSW, Australia; Department of Clinical Immunology and Allergy, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.
| | - Charles G Bailey
- Gene and Stem Cell Therapy Program Centenary Institute, Camperdown, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Cancer and Gene Regulation Laboratory Centenary Institute, Camperdown, NSW, Australia.
| | - Rajini Nagarajah
- Gene and Stem Cell Therapy Program Centenary Institute, Camperdown, NSW, Australia.
| | - Oliver Liang
- Gene and Stem Cell Therapy Program Centenary Institute, Camperdown, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Cell & Molecular Therapies, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; Li Ka Shing Cell & Gene Therapy Program, University of Sydney, Camperdown, NSW, Australia.
| | - Cynthia Metierre
- Gene and Stem Cell Therapy Program Centenary Institute, Camperdown, NSW, Australia.
| | - Sharon M Sagnella
- Cell & Molecular Therapies, Royal Prince Alfred Hospital, Camperdown, NSW, Australia.
| | - Laura Castelletti
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Cell & Molecular Therapies, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; Li Ka Shing Cell & Gene Therapy Program, University of Sydney, Camperdown, NSW, Australia.
| | - Dannel Yeo
- Gene and Stem Cell Therapy Program Centenary Institute, Camperdown, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Cell & Molecular Therapies, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; Li Ka Shing Cell & Gene Therapy Program, University of Sydney, Camperdown, NSW, Australia.
| | - Stephen Adelstein
- Department of Clinical Immunology and Allergy, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.
| | - John E J Rasko
- Gene and Stem Cell Therapy Program Centenary Institute, Camperdown, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Cell & Molecular Therapies, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; Li Ka Shing Cell & Gene Therapy Program, University of Sydney, Camperdown, NSW, Australia.
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Yun KM, Bazhenova L. Emerging New Targets in Systemic Therapy for Malignant Pleural Mesothelioma. Cancers (Basel) 2024; 16:1252. [PMID: 38610930 PMCID: PMC11011044 DOI: 10.3390/cancers16071252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
Malignant pleural mesothelioma (MPM) is a heterogeneous cancer composed of distinct molecular and pathologic subtypes. Unfortunately, MPM is aggressive, and current therapies for advanced, unresectable disease remain limited to cytotoxic chemotherapy and immunotherapy. Our understanding of the genomic landscape of MPM is steadily growing, while the discovery of effective targeted therapies in MPM has advanced more slowly than in other solid tumors. Given the prevalence of alterations in tumor suppressor genes in MPM, it has been challenging to identify actionable targets. However, efforts to characterize the genetic signatures in MPM over the last decade have led to a range of novel targeted therapeutics entering early-phase clinical trials. In this review, we discuss the advancements made thus far in targeted systemic therapies in MPM and the future direction of targeted strategies in patients with advanced MPM.
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Affiliation(s)
- Karen M. Yun
- Division of Hematology-Oncology, Moores Cancer Center at UC San Diego Health, La Jolla, CA 92093, USA;
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Klotz DM, Link T, Wimberger P, Kuhlmann JD. A predictive and prognostic model for surgical outcome and prognosis in ovarian cancer computed by clinico-pathological and serological parameters (CA125, HE4, mesothelin). Clin Chem Lab Med 2024; 62:530-539. [PMID: 37816681 DOI: 10.1515/cclm-2023-0314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 09/18/2023] [Indexed: 10/12/2023]
Abstract
OBJECTIVES Numerous prognostic models have been proposed for ovarian cancer, extending from single serological factors to complex gene-expression signatures. Nonetheless, these models have not been routinely translated into clinical practice. We constructed a robust and readily calculable model for predicting surgical outcome and prognosis of ovarian cancer patients by exploiting commonly available clinico-pathological factors and three selected serum parameters. METHODS Serum CA125, human epididymis protein 4 (HE4) and mesothelin (MSL) were quantified by Lumipulse® G chemiluminescent enzyme immunoassay (Fujirebio) in a total of 342 serum samples from 190 ovarian cancer patients, including 152 paired pre- and post-operative samples. RESULTS Detection of pre-operative HE4 and CA125 was the optimal marker combination for blood-based prediction of surgical outcome (AUC=0.86). We constructed a prognostic model, computed by serum levels of pre-operative CA125, post-operative HE4, post-operative MSL and surgical outcome. Prognostic performance of our model was superior to any of these parameters alone and was independent from BRCA1/2 mutational status. We subsequently transformed our model into a prognostic risk index, stratifying patients as "lower risk" or "higher risk". In "higher risk" patients, relapse or death was predicted with an AUC of 0.89 and they had a significantly shorter progression free survival (HR: 9.74; 95 % CI: 5.95-15.93; p<0.0001) and overall survival (HR: 5.62; 95 % CI: 3.16-9.99; p<0.0001) compared to "lower risk" patients. CONCLUSIONS We present a robust predictive/prognostic model for ovarian cancer, which could readily be implemented into routine diagnostics in order to identify ovarian cancer patients at high risk of recurrence.
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Affiliation(s)
- Daniel Martin Klotz
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- National Center for Tumour Diseases (NCT), Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany
- German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Theresa Link
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- National Center for Tumour Diseases (NCT), Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany
- German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Pauline Wimberger
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- National Center for Tumour Diseases (NCT), Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany
- German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jan Dominik Kuhlmann
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- National Center for Tumour Diseases (NCT), Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany
- German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany
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Jang Y, Koh JS, Park JH, Choi S, Duong PTT, Heo BY, Lee SW, Kim JY, Lee MW, Kim SH, Song IC. Enhanced Expression of Glycolytic Enzymes and Succinate Dehydrogenase Complex Flavoprotein Subunit A by Mesothelin Promotes Glycolysis and Mitochondrial Respiration in Myeloblasts of Acute Myeloid Leukemia. Int J Mol Sci 2024; 25:2140. [PMID: 38396817 PMCID: PMC10888725 DOI: 10.3390/ijms25042140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/01/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024] Open
Abstract
Acute myeloid leukemia (AML) is an aggressive malignancy characterized by rapid growth and uncontrolled proliferation of undifferentiated myeloid cells. Metabolic reprogramming is commonly observed in the bone marrow of AML patients, as leukemia cells require increased ATP supply to support disease progression. In this study, we examined the potential role of mesothelin as a metabolic modulator in myeloid cells in AML. Mesothelin is a well-known marker of solid tumors that promotes cancer cell proliferation and survival. We initially analyzed alterations in mesothelin expression in the myeloblast subpopulations, defined as SSC-Alow/CD45dim, obtained from the bone marrow of AML patients using flow cytometry. Our results showed overexpression of mesothelin in 34.8% of AML patients. Subsequently, metabolic changes in leukemia cells were evaluated by comparing the oxygen consumption rates (OCR) of bone marrow samples derived from adult AML patients. Notably, a higher OCR was observed in the mesothelin-positive compared to the mesothelin-low and non-expressing groups. Treatment with recombinant human mesothelin protein enhanced OCR and increased the mRNA expression of glycolytic enzymes and mitochondrial complex II in KG1α AML cells. Notably, siRNA targeting mesothelin in KG1α cells led to the reduction of glycolysis-related gene expression but had no effect on the mitochondrial complex gene. The collective results demonstrate that mesothelin induces metabolic changes in leukemia cells, facilitating the acquisition of a rapid supply of ATP for proliferation in AML. Therefore, the targeting of mesothelin presents a potentially promising approach to mitigating the progression of AML through the inhibition of glycolysis and mitochondrial respiration in myeloid cells.
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Affiliation(s)
- Yunseon Jang
- Translational Immunology Institute, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Jeong Suk Koh
- Department of Internal Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea
| | - Jung-Hyun Park
- Translational Immunology Institute, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Suyoung Choi
- Brain Korea 21 FOUR Project for Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
- Department of Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Pham Thi Thuy Duong
- Brain Korea 21 FOUR Project for Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
- Department of Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Bu Yeon Heo
- Brain Korea 21 FOUR Project for Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
- Department of Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Sang Woo Lee
- Department of Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Jung Yeon Kim
- Research Institute for Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Myung-Won Lee
- Department of Internal Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea
| | - Seok-Hwan Kim
- Research Institute for Medical Science, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
- Department of Surgery, Chungnam National University Hospital, Daejeon 35015, Republic of Korea
| | - Ik-Chan Song
- Translational Immunology Institute, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
- Department of Internal Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea
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Briolay T, Fresquet J, Meyer D, Kerfelec B, Chames P, Ishow E, Blanquart C. Specific Targeting of Mesothelin-Expressing Malignant Cells Using Nanobody-Functionalized Magneto-Fluorescent Nanoassemblies. Int J Nanomedicine 2024; 19:633-650. [PMID: 38269255 PMCID: PMC10807453 DOI: 10.2147/ijn.s435787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 12/14/2023] [Indexed: 01/26/2024] Open
Abstract
Introduction Most current anti-cancer therapies are associated with major side effects due to a lack of tumor specificity. Appropriate vectorization of drugs using engineered nanovectors is known to increase local concentration of therapeutic molecules in tumors while minimizing their side effects. Mesothelin (MSLN) is a well-known tumor associated antigen overexpressed in many malignancies, in particular in malignant pleural mesothelioma (MPM), and various MSLN-targeting anticancer therapies are currently evaluated in preclinical and clinical assays. In this study, we described, for the first time, the functionalization of fluorescent organic nanoassemblies (NA) with a nanobody (Nb) targeting MSLN for the specific targeting of MSLN expressing MPM cancer cells. Methods Cell lines from different cancer origin expressing or not MSLN were used. An Nb directed against MSLN was coupled to fluorescent NA using click chemistry. A panel of endocytosis inhibitors was used to study targeted NA internalization by cells. Cancer cells were grown in 2D or 3D and under a flow to evaluate the specificity of the targeted NA. Binding and internalization of the targeted NA were studied using flow cytometry, confocal microscopy and transmission electron microscopy. Results We show that the targeted NA specifically bind to MSLN-expressing tumor cells. Moreover, such functionalized NA appear to be internalized more rapidly and in significantly larger proportions compared to naked ones in MSLN+ MPM cells, thereby demonstrating both the functionality and interest of the active targeting strategy. We demonstrated that targeted NA are mainly internalized through a clathrin-independent/dynamin-dependent endocytosis pathway and are directed to lysosomes for degradation. A 3D cell culture model based on MSLN-expressing multicellular tumor spheroids reveals NA penetration in the first superficial layers. Conclusion Altogether, these results open the path to novel anticancer strategies based on MSLN-activated internalization of NA incorporating drugs to promote specific accumulation of active treatments in tumors.
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Affiliation(s)
- Tina Briolay
- Nantes Université, INSERM UMR 1307, CNRS UMR 6075, Université d’Angers, CRCI2NA, Nantes, F-44000, France
| | - Judith Fresquet
- Nantes Université, INSERM UMR 1307, CNRS UMR 6075, Université d’Angers, CRCI2NA, Nantes, F-44000, France
| | - Damien Meyer
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Brigitte Kerfelec
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Patrick Chames
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Eléna Ishow
- Nantes Université, CNRS, CEISAM, UMR 6230, Nantes, F-44000, France
| | - Christophe Blanquart
- Nantes Université, INSERM UMR 1307, CNRS UMR 6075, Université d’Angers, CRCI2NA, Nantes, F-44000, France
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Malla M, Kumar Deshkmukh S, Wu S, Samec T, Olevian D, Naili R, Bassel ER, Xiu J, Farrell A, Lenz HJ, Lou E, Goel S, Spetzler D, Goldberg RM, Hazlehurst L. Mesothelin expression correlates with elevated inhibitory immune activity in patients with colorectal cancer. Res Sq 2023:rs.3.rs-3787873. [PMID: 38234761 PMCID: PMC10793489 DOI: 10.21203/rs.3.rs-3787873/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
The expression of the protein Mesothelin (MSLN) is highly variable in several malignancies including colorectal cancer (CRC) and high levels are associated with aggressive clinicopathological features and worse patient survival. CRC is both a common and deadly cancer; being the third most common in incidence and second most common cause of cancer related death. While systemic therapy remains the primary therapeutic option for most patients with stage IV (metastatic; m) CRC, their disease eventually becomes treatment refractory, and 85% succumb within 5 years. Microsatellite-stable (MSS) CRC tumors, which affect more than 90% of patients with mCRC, are generally refractory to immunotherapeutic interventions. In our current work, we characterize MSLN levels in CRC, specifically correlating expression with clinical outcomes in relevant CRC subtypes and explore how MSLN expression impacts the status of immune activation and suppression in the peritumoral microenvironment. High MSLN expression is highly prevalent in CMS1 and CMS4 CRC subtypes as well as in mCRC tissue and correlates with higher gene mutation rates across the patient cohorts. Further, MSLN-high patients exhibit increased M1/M2 macrophage infiltration, PD-L1 staining, immune-inhibitory gene expression, enrichment in inflammatory, TGF-β, IL6/JAK/STAT3, IL2/STAT5 signaling pathways and mutation in KRAS and FBXW7. Together, these results suggest MSLN protein is a potential target for antigen-specific therapy and supports investigation into its tumorigenic effects to identify possible therapeutic interventions for patients with high MSLN expressing MSS CRC.
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Weber DG, Casjens S, Wichert K, Lehnert M, Taeger D, Rihs HP, Brüning T, Johnen G. Tasks and Experiences of the Prospective, Longitudinal, Multicenter MoMar (Molecular Markers) Study for the Early Detection of Mesothelioma in Individuals Formerly Exposed to Asbestos Using Liquid Biopsies. Cancers (Basel) 2023; 15:5896. [PMID: 38136442 PMCID: PMC10742125 DOI: 10.3390/cancers15245896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/07/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
Mesothelioma is an aggressive cancer, strongly associated with prior exposure to asbestos. Commonly, tumors are detected at late stages of the disease. Detection at early stages might be meaningful, because therapies might be more effective when the tumor burden is relatively low and the tumor has not spread to distant sites. Circulating biomarkers in blood might be a promising tool to improve the early detection of mesothelioma, but for screening in asymptomatic subjects, candidate biomarkers need to be validated in appropriate studies. This study was conducted to assess the performance of biomarkers in liquid biopsies to detect mesothelioma at early stages. Over a period of 10 years, 2769 volunteers formerly exposed to asbestos were annually examined and liquid biopsies were collected. A follow-up was completed 17 months after the last blood collection. The article provides a detailed overview of our lessons learned and experiences of conducting a prospective, longitudinal, multicenter study. The existing cohort of individuals at risk is highly suitable for the validation of blood-based biomarkers for the early detection of mesothelioma as well as lung cancer.
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Affiliation(s)
- Daniel Gilbert Weber
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance (IPA), Ruhr University Bochum, 44801 Bochum, Germany
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Sorino C, Mondoni M, Marchetti G, Agati S, Inchingolo R, Mei F, Flamini S, Lococo F, Feller-Kopman D. Pleural Mesothelioma: Advances in Blood and Pleural Biomarkers. J Clin Med 2023; 12:7006. [PMID: 38002620 PMCID: PMC10672377 DOI: 10.3390/jcm12227006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/30/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Pleural mesothelioma (PM) is a type of cancer that is highly related to exposure to asbestos fibers. It shows aggressive behavior, and the current therapeutic approaches are usually insufficient to change the poor prognosis. Moreover, apart from staging and histological classification, there are no validated predictors of its response to treatment or its long-term outcomes. Numerous studies have investigated minimally invasive biomarkers in pleural fluid or blood to aid in earlier diagnosis and prognostic assessment of PM. The most studied marker in pleural effusion is mesothelin, which exhibits good specificity but low sensitivity, especially for non-epithelioid PM. Other biomarkers found in pleural fluid include fibulin-3, hyaluronan, microRNAs, and CYFRA-21.1, which have lower diagnostic capabilities but provide prognostic information and have potential roles as therapeutic targets. Serum is the most investigated matrix for biomarkers of PM. Several serum biomarkers in PM have been studied, with mesothelin, osteopontin, and fibulin-3 being the most often tested. A soluble mesothelin-related peptide (SMRP) is the only FDA-approved biomarker in patients with suspected mesothelioma. With different serum and pleural fluid cut-offs, it provides useful information on the diagnosis, prognosis, follow-up, and response to therapy in epithelioid PM. Panels combining different markers and proteomics technologies show promise in terms of improving clinical performance in the diagnosis and monitoring of mesothelioma patients. However, there is still no evidence that early detection can improve the treatment outcomes of PM patients.
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Affiliation(s)
- Claudio Sorino
- Division of Pulmonology, Sant’Anna Hospital of Como, University of Insubria, 21100 Varese, Italy; (C.S.); (S.A.)
| | - Michele Mondoni
- Respiratory Unit, ASST Santi Paolo e Carlo, Department of Health Sciences, Università degli Studi di Milano, 20122 Milan, Italy
| | | | - Sergio Agati
- Division of Pulmonology, Sant’Anna Hospital of Como, University of Insubria, 21100 Varese, Italy; (C.S.); (S.A.)
| | - Riccardo Inchingolo
- Pulmonary Medicine Unit, Department of Medical and Surgical Sciences, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy;
| | - Federico Mei
- Respiratory Diseases Unit, Department of Internal Medicine, Azienda Ospedaliero Universitaria delle Marche, 60126 Ancona, Italy;
| | - Sara Flamini
- Departement of Thoracic Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (S.F.); (F.L.)
- Thoracic Surgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
| | - Filippo Lococo
- Departement of Thoracic Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (S.F.); (F.L.)
- Thoracic Surgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
| | - David Feller-Kopman
- Department of Medicine, Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA;
- Division of Pulmonary and Critical Care Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03766, USA
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Qualiotto AN, Baldavira CM, Balancin M, Ab’Saber A, Takagaki T, Capelozzi VL. Mesothelin expression remodeled the immune-matrix tumor microenvironment predicting the risk of death in patients with malignant pleural mesothelioma. Front Immunol 2023; 14:1268927. [PMID: 37901248 PMCID: PMC10601658 DOI: 10.3389/fimmu.2023.1268927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 09/29/2023] [Indexed: 10/31/2023] Open
Abstract
Background The combination of immunobiological agents with immune checkpoint proteins is a promising treatment for malignant pleural mesothelioma (MPM). Mesothelin and anti-PD-L1 antibody-drug conjugates specifically target malignant neoplastic cells, inhibit the migration and invasion of neoplastic cells, and restore the immune landscape. In this study, we confirmed the importance of mesothelin and examined the relationship between mesothelin and the immune landscape of the tumor microenvironment (TME) in two MPM cohorts. Methods The discovery cohort included 82 MPM cases. Tissue microarray slides were generated, and samples were processed for hematoxylin & eosin staining, immunohistochemistry, and immunofluorescence assays. The relationship between mesothelin, biomarkers of histogenesis, histological aggressiveness, PD-L1, immune cells (CD4, CD8, CD20, CD68), and collagen type I and type V fibers was evaluated by quantitative digital analyses. The outcome was the survival time until death from disease recurrence. The exploratory cohort included 87 malignant mesothelioma (MESO) patients from The Cancer Genome Atlas database. Results Most patients were male (70.7%) with a history of asbestos exposure (53.7%) and with the epithelioid subtype (89%). Surgical resection was performed in 85.4% of patients, and 14.6% received chemotherapy; 59.8% of patients died from disease extension to the mediastinum. Low tumor mesothelin expression was associated with tumor necrosis and nuclear grade 1, whereas high mesothelin expression was significantly associated with the epithelioid histotype and high density of T cells CD8+, macrophages CD68+, and collagen type I fibers. Cox multivariate analysis showed a high risk of death for non-operated patients [hazard ratio (HR), 3.42 (1.15-10.16)] with low tumor mesothelin levels [HR, 2.58 (1.09-6.10)] and high PD-L1 and low infiltration of T cells CD4+ [HR, 3.81 (1.58-9.18)]. In the exploratory cohort, low mesothelin and high COL1A1 and COL5A1 expression were associated with poor overall survival. Conclusion Tumor mesothelin expression associated with the TME immune landscape predicts the risk of death for patients with MPM and could be a new target for immunotherapy in MPM.
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Affiliation(s)
- Aline Nery Qualiotto
- Laboratory of Genomic and Histomorphometry, Department of Pathology, University of São Paulo Medical School, São Paulo, Brazil
| | - Camila Machado Baldavira
- Laboratory of Genomic and Histomorphometry, Department of Pathology, University of São Paulo Medical School, São Paulo, Brazil
| | - Marcelo Balancin
- Laboratory of Genomic and Histomorphometry, Department of Pathology, University of São Paulo Medical School, São Paulo, Brazil
| | - Alexandre Ab’Saber
- Laboratory of Genomic and Histomorphometry, Department of Pathology, University of São Paulo Medical School, São Paulo, Brazil
| | - Teresa Takagaki
- Division of Pneumology, Heart Institute (Incor), Faculty of Medicine, University of São Paulo, São Paulo, Brazil
| | - Vera Luiza Capelozzi
- Laboratory of Genomic and Histomorphometry, Department of Pathology, University of São Paulo Medical School, São Paulo, Brazil
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Nicoletti A, Vitale F, Quero G, Paratore M, Fiorillo C, Negri M, Carlino A, Inzani F, Gasbarrini A, Alfieri S, Zileri Dal Verme L. Immunohistochemical Evaluation of the Expression of Specific Membrane Antigens in Patients with Pancreatic Ductal Adenocarcinoma. Cancers (Basel) 2023; 15:4586. [PMID: 37760554 PMCID: PMC10526869 DOI: 10.3390/cancers15184586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/26/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
(1) Background: Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal malignancies. The lack of validated disease biomarkers makes timely diagnosis challenging in most cases. Cell membrane and surface proteins play a crucial role in several routes of oncogenesis. The aim of this study was to evaluate the expression of six membrane antigens on PDAC (CA 19-9, mucin 1 and 4 (MUC1, MUC4), mesothelin (MSLN), Annexin A10 (ANXA10), Glypican-1 (GPC-1)) and their correlation with oncologic outcomes. (2) Methods: Immunohistochemical staining for CA 19.9, MUC1, MUC4, MSLN, ANXA10, and GPC-1 of surgical samples of 50 consecutive patients with PDAC was performed. Antigen expression for tumor, ductal, and acinar tissues was classified according to the histo-score (H-score) by two pathologists. (3) Results: Recurrence rate was 47% and 18 patients (36%) deceased (median follow-up 21.5 months). Immunostaining for CA 19-9 and MUC1 showed a significantly higher expression in the neoplastic tissue compared to non-tumor ductal and acinar tissues (p < 0.001). MUC4, MSLN, ANXA10, and GPC-1 were selectively expressed in the neoplastic tissue (p < 0.001). A CA 19-9 H-score value >270 was independently associated with a worse overall survival (p = 0.05) and disease-free survival (p = 0.05). (4) Conclusions: CA 19-9 and MUC1 are highly expressed in PDAC cells. The histological expression of CA 19-9 may predict prognosis. MUC4, MSLN, ANXA10, and GPC-1 are selectively expressed by neoplastic tissue and may represent a potential histological biomarker of disease.
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Affiliation(s)
- Alberto Nicoletti
- Pancreas Unit, CEMAD Centro Malattie dell’Apparato Digerente, Medicina Interna e Gastroenterologia, Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (A.N.); (F.V.); (M.P.); (M.N.); (L.Z.D.V.)
| | - Federica Vitale
- Pancreas Unit, CEMAD Centro Malattie dell’Apparato Digerente, Medicina Interna e Gastroenterologia, Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (A.N.); (F.V.); (M.P.); (M.N.); (L.Z.D.V.)
| | - Giuseppe Quero
- Chirurgia Digestiva, Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (G.Q.); (C.F.); (S.A.)
| | - Mattia Paratore
- Pancreas Unit, CEMAD Centro Malattie dell’Apparato Digerente, Medicina Interna e Gastroenterologia, Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (A.N.); (F.V.); (M.P.); (M.N.); (L.Z.D.V.)
| | - Claudio Fiorillo
- Chirurgia Digestiva, Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (G.Q.); (C.F.); (S.A.)
| | - Marcantonio Negri
- Pancreas Unit, CEMAD Centro Malattie dell’Apparato Digerente, Medicina Interna e Gastroenterologia, Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (A.N.); (F.V.); (M.P.); (M.N.); (L.Z.D.V.)
| | - Angela Carlino
- Anatomia Patologica, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (A.C.); (F.I.)
| | - Frediano Inzani
- Anatomia Patologica, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (A.C.); (F.I.)
| | - Antonio Gasbarrini
- Pancreas Unit, CEMAD Centro Malattie dell’Apparato Digerente, Medicina Interna e Gastroenterologia, Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (A.N.); (F.V.); (M.P.); (M.N.); (L.Z.D.V.)
| | - Sergio Alfieri
- Chirurgia Digestiva, Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (G.Q.); (C.F.); (S.A.)
| | - Lorenzo Zileri Dal Verme
- Pancreas Unit, CEMAD Centro Malattie dell’Apparato Digerente, Medicina Interna e Gastroenterologia, Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, 00168 Rome, Italy; (A.N.); (F.V.); (M.P.); (M.N.); (L.Z.D.V.)
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Grasso L, Jiang Q, Hassan R, Nicolaides NC, Kline JB. NAV-003, a bispecific antibody targeting a unique mesothelin epitope and CD3ε with improved cytotoxicity against humoral immunosuppressed tumors. Eur J Immunol 2023; 53:e2250309. [PMID: 37146241 PMCID: PMC10524251 DOI: 10.1002/eji.202250309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 05/03/2023] [Accepted: 05/04/2023] [Indexed: 05/07/2023]
Abstract
Mesothelin (MSLN) is a cell surface protein overexpressed in a number of cancer types. Several antibody- and cellular-based MSLN targeting agents have been tested in clinical trials where their therapeutic efficacy has been moderate at best. Previous studies using antibody and Chimeric Antigen Receptor-T cells (CAR-T) strategies have shown the importance of particular MSLN epitopes for optimal therapeutic response, while other studies have found that certain MSLN-positive tumors can produce proteins that can bind to subsets of IgG1-type antibodies and suppress their immune effector activities. In an attempt to develop an improved anti-MSLN targeting agent, we engineered a humanized divalent anti-MSLN/anti-CD3ε bispecific antibody that avoids suppressive factors, can target a MSLN epitope proximal to the tumor cell surface, and is capable of effectively binding, activating, and redirecting T cells to the surface of MSLN-positive tumor cells. NAV-003 has shown significantly improved tumor cell killing against lines producing immunosuppressive proteins in vitro and in vivo. Moreover, NAV-003 demonstrated good tolerability in mice and efficacy against patient-derived mesothelioma xenografts co-engrafted with human peripheral blood mononuclear cells. Together these data support the potential for NAV-003 clinical development and human proof-of-concept studies in patients with MSLN-expressing cancers.
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Affiliation(s)
- Luigi Grasso
- Navrogen Inc., 1837 University Circle, Cheyney, PA 19319
| | - Qun Jiang
- Thoracic and GI Malignancies Branch, CCR, NCI, NIH, Bethesda, Maryland
| | - Raffit Hassan
- Thoracic and GI Malignancies Branch, CCR, NCI, NIH, Bethesda, Maryland
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Chu GJ, Linton A, Kao S, Klebe S, Adelstein S, Yeo D, Rasko JEJ, Cooper WA. High mesothelin expression by immunohistochemistry predicts improved survival in pleural mesothelioma. Histopathology 2023; 83:202-210. [PMID: 37040900 PMCID: PMC10952516 DOI: 10.1111/his.14916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 03/09/2023] [Accepted: 03/27/2023] [Indexed: 04/13/2023]
Abstract
AIMS Mesothelin (MSLN) is a cancer-associated antigen that is overexpressed in malignancies such as mesothelioma, pancreatic and ovarian cancer. It is also a target for novel personalised therapies, including antibodies, antibody-drug conjugates and chimeric antigen receptor T cells. Immunohistochemistry may predict those who would best respond to anti-mesothelin therapies and guide decisions in therapeutic strategy. This study aimed to assess the intensity and distribution of MSLN immunostaining in mesothelioma, and to determine the prognostic value of MSLN expression by histochemical-score (H-score). METHODS AND RESULTS The MN1 anti-MSLN antibody was used to stain a formalin-fixed paraffin-embedded tissue microarray of histologically confirmed mesothelioma from 75 consecutive patients who had undergone pleurectomy with or without decortication. MSLN positivity, the staining intensity, distribution of staining and H-score were evaluated. The correlation of H-score with prognosis was investigated. Sixty-six per cent of epithelioid tumours were MSLN-positive (with expression in > 5% tumour cells). Of MSLN-expressing epithelioid tumours, 70.4% had moderate (2+) or strong (3+) intensity MSLN immunostaining, although only 37% of samples had staining in ≥ 50% of tumour cells. In multivariate analysis, MSLN H-score as a continuous variable and an H-score ≥ 33 were independent predictors of improved survival (P = 0.04 and P < 0.001, respectively). CONCLUSIONS MSLN expression was more heterogenous in epithelioid mesothelioma than reported previously. Therefore, it would be appropriate to perform an immunohistochemical assessment of MSLN expression to stratify and assess patient suitability for mesothelin-targeted personalised therapies, such as chimeric antigen receptor T cells.
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Affiliation(s)
- Gerard J Chu
- Gene and Stem Cell Therapy Program Centenary InstituteUniversity of SydneySydneyNSWAustralia
- Department of Clinical Immunology and AllergyRoyal Prince Alfred HospitalCamperdownNSWAustralia
- Faculty of Medicine and HealthUniversity of SydneySydneyNSWAustralia
| | - Anthony Linton
- Faculty of Medicine and HealthUniversity of SydneySydneyNSWAustralia
- Department of Medical OncologyConcord HospitalConcordNSWAustralia
- Asbestos Diseases Research InstituteConcordNSWAustralia
| | - Steven Kao
- Faculty of Medicine and HealthUniversity of SydneySydneyNSWAustralia
- Asbestos Diseases Research InstituteConcordNSWAustralia
- Department of Medical OncologyChris O'Brien LifehouseCamperdownNSWAustralia
| | - Sonja Klebe
- Asbestos Diseases Research InstituteConcordNSWAustralia
- Department of Anatomical PathologyFlinders University and SA PathologyAdelaideSAAustralia
| | - Stephen Adelstein
- Department of Clinical Immunology and AllergyRoyal Prince Alfred HospitalCamperdownNSWAustralia
- Faculty of Medicine and HealthUniversity of SydneySydneyNSWAustralia
| | - Dannel Yeo
- Gene and Stem Cell Therapy Program Centenary InstituteUniversity of SydneySydneyNSWAustralia
- Faculty of Medicine and HealthUniversity of SydneySydneyNSWAustralia
- Cell and Molecular Therapies, Royal Prince Alfred HospitalCamperdownNSWAustralia
| | - John E J Rasko
- Gene and Stem Cell Therapy Program Centenary InstituteUniversity of SydneySydneyNSWAustralia
- Faculty of Medicine and HealthUniversity of SydneySydneyNSWAustralia
- Cell and Molecular Therapies, Royal Prince Alfred HospitalCamperdownNSWAustralia
| | - Wendy A Cooper
- Faculty of Medicine and HealthUniversity of SydneySydneyNSWAustralia
- Department of Tissue Pathology and Diagnostic Oncology, NSW Health PathologyRoyal Prince Alfred HospitalCamperdownNSWAustralia
- School of MedicineWestern Sydney UniversitySydneyNSWAustralia
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Borea F, Franczak MA, Garcia M, Perrino M, Cordua N, Smolenski RT, Peters GJ, Dziadziuszko R, Santoro A, Zucali PA, Giovannetti E. Target Therapy in Malignant Pleural Mesothelioma: Hope or Mirage? Int J Mol Sci 2023; 24:ijms24119165. [PMID: 37298116 DOI: 10.3390/ijms24119165] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/19/2023] [Accepted: 05/21/2023] [Indexed: 06/12/2023] Open
Abstract
Malignant Pleural Mesothelioma (MPM) is a rare neoplasm that is typically diagnosed in a locally advanced stage, making it not eligible for radical surgery and requiring systemic treatment. Chemotherapy with platinum compounds and pemetrexed has been the only approved standard of care for approximately 20 years, without any relevant therapeutic advance until the introduction of immune checkpoint inhibitors. Nevertheless, the prognosis remains poor, with an average survival of only 18 months. Thanks to a better understanding of the molecular mechanisms underlying tumor biology, targeted therapy has become an essential therapeutic option in several solid malignancies. Unfortunately, most of the clinical trials evaluating potentially targeted drugs for MPM have failed. This review aims to present the main findings of the most promising targeted therapies in MPM, and to explore possible reasons leading to treatments failures. The ultimate goal is to determine whether there is still a place for continued preclinical/clinical research in this area.
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Affiliation(s)
- Federica Borea
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
- Department of Medical Oncology, Amsterdam University Medical Centers, Location VUmc, Cancer Center Amsterdam, 1081 HV Amsterdam, The Netherlands
| | - Marika A Franczak
- Department of Medical Oncology, Amsterdam University Medical Centers, Location VUmc, Cancer Center Amsterdam, 1081 HV Amsterdam, The Netherlands
- Department of Biochemistry, Medical University of Gdansk, 80-210 Gdańsk, Poland
| | - Maria Garcia
- Faculty of Experimental Science, Universidad Francisco de Vitoria, 28223 Madrid, Spain
| | - Matteo Perrino
- IRCCS Humanitas Research Hospital, Humanitas Cancer Center, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Nadia Cordua
- IRCCS Humanitas Research Hospital, Humanitas Cancer Center, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Ryszard T Smolenski
- Department of Biochemistry, Medical University of Gdansk, 80-210 Gdańsk, Poland
| | - Godefridus J Peters
- Department of Medical Oncology, Amsterdam University Medical Centers, Location VUmc, Cancer Center Amsterdam, 1081 HV Amsterdam, The Netherlands
- Department of Biochemistry, Medical University of Gdansk, 80-210 Gdańsk, Poland
| | - Rafal Dziadziuszko
- Department of Oncology and Radiotherapy and Early Phase Clinical Trials Centre, Medical University of Gdansk, 80-210 Gdańsk, Poland
| | - Armando Santoro
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
- IRCCS Humanitas Research Hospital, Humanitas Cancer Center, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Paolo A Zucali
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
- IRCCS Humanitas Research Hospital, Humanitas Cancer Center, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Elisa Giovannetti
- Department of Medical Oncology, Amsterdam University Medical Centers, Location VUmc, Cancer Center Amsterdam, 1081 HV Amsterdam, The Netherlands
- Fondazione Pisana per la Scienza, 56017 Pisa, Italy
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Zhai X, Mao L, Wu M, Liu J, Yu S. Challenges of Anti- Mesothelin CAR-T-Cell Therapy. Cancers (Basel) 2023; 15:cancers15051357. [PMID: 36900151 PMCID: PMC10000068 DOI: 10.3390/cancers15051357] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/10/2023] [Accepted: 02/06/2023] [Indexed: 02/23/2023] Open
Abstract
Chimeric antigen receptor (CAR)-T-cell therapy is a kind of adoptive T-cell therapy (ACT) that has developed rapidly in recent years. Mesothelin (MSLN) is a tumor-associated antigen (TAA) that is highly expressed in various solid tumors and is an important target antigen for the development of new immunotherapies for solid tumors. This article reviews the clinical research status, obstacles, advancements and challenges of anti-MSLN CAR-T-cell therapy. Clinical trials on anti-MSLN CAR-T cells show that they have a high safety profile but limited efficacy. At present, local administration and introduction of new modifications are being used to enhance proliferation and persistence and to improve the efficacy and safety of anti-MSLN CAR-T cells. A number of clinical and basic studies have shown that the curative effect of combining this therapy with standard therapy is significantly better than that of monotherapy.
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Affiliation(s)
- Xuejia Zhai
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing 400038, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing 400038, China
| | - Ling Mao
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing 400038, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing 400038, China
| | - Min Wu
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing 400038, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing 400038, China
| | - Jie Liu
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing 400038, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing 400038, China
| | - Shicang Yu
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing 400038, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing 400038, China
- Jinfeng Laboratory, Chongqing 401329, China
- Correspondence:
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Weidemann S, Gorbokon N, Lennartz M, Hube-Magg C, Fraune C, Bernreuther C, Clauditz TS, Jacobsen F, Jansen K, Schmalfeldt B, Wölber L, Paluchowski P, Berkes E, Heilenkötter U, Sauter G, Uhlig R, Wilczak W, Steurer S, Simon R, Krech T, Marx A, Burandt E, Lebok P. High Homogeneity of Mesothelin Expression in Primary and Metastatic Ovarian Cancer. Appl Immunohistochem Mol Morphol 2023; 31:77-83. [PMID: 36728364 PMCID: PMC9928564 DOI: 10.1097/pai.0000000000001097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 11/22/2022] [Indexed: 02/03/2023]
Abstract
To study the extent of heterogeneity of mesothelin overexpression in primary ovarian cancers and their peritoneal and lymph node metastases, a tissue microarray (TMA) was constructed from multiple sites of 220 ovarian cancers and analyzed by immunohistochemistry. One tissue core each was taken from up to 18 different tumor blocks per cancer, resulting in a total of 2460 tissue spots from 423 tumor sites (188 primary cancers, 162 peritoneal carcinosis, and 73 lymph node metastases). Positive mesothelin expression was found in 2041 of the 2342 (87%) arrayed tissue spots and in 372 of the 392 (95%) tumor sites that were interpretable for mesothelin immunohistochemistry. Intratumoral heterogeneity was found in 23% of 168 primary cancer sites interpretable for mesothelin and decreased to 12% in 154 peritoneal carcinosis and to 6% in 71 lymph node metastases ( P <0.0001). Heterogeneity between the primary tumor and matched peritoneal carcinosis was found in 16% of 102 cancers with interpretable mesothelin results. In these cancers, the mesothelin status switched from positive in the primary tumor to negative in the peritoneal carcinosis (3 cancers) in or vice versa (2 cancers), or a mixture of positive and negative peritoneal carcinoses was found (11 cancers). No such switch was seen between the mesothelin-interpretable primary tumors and their nodal metastases of 59 cancers, and only 1 mesothelin-positive tumor had a mixture of positive and negative lymph node metastases. In conclusion, mesothelin expression is frequent and highly homogeneous in ovarian cancer.
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Affiliation(s)
- Sören Weidemann
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | - Natalia Gorbokon
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | | | | | - Christoph Fraune
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | | | - Till S. Clauditz
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | - Frank Jacobsen
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | - Kristina Jansen
- General, Visceral and Thoracic Surgery Department and Clinic
| | | | - Linn Wölber
- Department of Gynecology, University Medical Center Hamburg-Eppendorf
| | | | - Enikö Berkes
- Department of Gynecology, Regio Clinic Itzehoe, Itzehoe
| | | | - Guido Sauter
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | - Ria Uhlig
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | - Waldemar Wilczak
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | - Stefan Steurer
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | - Ronald Simon
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | - Till Krech
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
- Clinical Center Osnabrueck, Institute of Pathology, Osnabrueck
| | - Andreas Marx
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
- Department of Pathology, Academic Hospital Fuerth, Fuerth, Germany
| | - Eike Burandt
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
| | - Patrick Lebok
- Institute of Pathology, University Medical Center Hamburg-Eppendorf
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Pegna GJ, Lee M, Peer CJ, Ahmad MI, Venzon DJ, Yu Y, Yuno A, Steinberg SM, Cao L, Figg WD, Donahue RN, Hassan R, Pastan I, Trepel JB, Alewine C. Systemic immune changes accompany combination treatment with immunotoxin LMB-100 and nab-paclitaxel. Cancer Med 2023; 12:4236-4249. [PMID: 36208017 PMCID: PMC9972172 DOI: 10.1002/cam4.5290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 07/20/2022] [Accepted: 09/12/2022] [Indexed: 11/07/2022] Open
Abstract
LMB-100 is a novel immune-conjugate (immunotoxin) that targets mesothelin. A phase 1/2 clinical trial was conducted (NCT02810418) with primary objectives assessing the safety and efficacy of LMB-100 ± nab-paclitaxel. Participant blood samples were analyzed for changes in serum cytokines and circulating immune cell subsets associated with response or toxicity. On Arm A, participants (n = 20) received standard 30-minute LMB-100 infusion with nab-paclitaxel. Although clinical efficacy was observed, the combination caused intolerable capillary leak syndrome (CLS), a major toxicity of unclear etiology that affects many immunotoxin drugs. Participants developing CLS experienced rapid elevations in IFNγ and IL-8 compared to those without significant CLS, along with midcycle increases in Ki-67- CD4 T cells that were CD38, HLA-DR, or TIM3 positive. Additionally, a strong increase in activated CD4 and CD8 T cells and a concurrent decrease in Tregs were seen in the single Arm A patient achieving a partial response. In Arm B, administration of single agent LMB-100 to participants (n = 20) as a long infusion given over 24-48 h was investigated based on pre-clinical data that this format could reduce CLS. An optimal dose and schedule of long infusion LMB-100 were identified, but no clinical efficacy was observed even in patients receiving LMB-100 in combination with nab-paclitaxel. Despite this, both Arm A and B participants experienced increases in specific subsets of proliferating CD4 and CD8 T cells following Cycle 1 treatment. In summary, LMB-100 treatment causes systemic immune activation. Inflammatory and immune changes that accompany drug associated CLS were characterized for the first time.
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Affiliation(s)
- Guillaume Joe Pegna
- Laboratory of Molecular BiologyNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
- Medical Oncology ProgramNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
- Knight Cancer InstituteOregon Health & Science UniversityPortlandOregonUSA
| | - Min‐Jung Lee
- Developmental Therapeutics BranchNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Cody J. Peer
- Clinical Pharmacology ProgramNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Mehwish I. Ahmad
- Office of Research NursingNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
- Astra ZenecaGaithersburgMarylandUSA
| | - David J. Venzon
- Biostatistics and Data Management SectionNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Yunkai Yu
- Genetics BranchNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Akira Yuno
- Developmental Therapeutics BranchNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
- Oral and Maxillofacial SurgeryKumamoto University HospitalKumamotoJapan
| | - Seth M. Steinberg
- Biostatistics and Data Management SectionNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Liang Cao
- Genetics BranchNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - William D. Figg
- Clinical Pharmacology ProgramNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Renee N. Donahue
- Laboratory of Tumor Immunology and BiologyNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Raffit Hassan
- Thoracic and Gastrointestinal Malignancies Branch, Center for Cancer ResearchNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Ira Pastan
- Laboratory of Molecular BiologyNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Jane B. Trepel
- Developmental Therapeutics BranchNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Christine Alewine
- Laboratory of Molecular BiologyNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
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Yamada S, Osakabe M, Uesugi N, Yanagawa N, Matsumoto T, Suzuki H, Sugai T. Genome-wide analysis of colorectal cancer based on gene-based somatic copy number alterations during neoplastic progression within the same tumor. Cancer Med 2023; 12:4446-4454. [PMID: 35920319 PMCID: PMC9972084 DOI: 10.1002/cam4.5117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND The objective of this study was to elucidate the association between neoplastic progression and somatic copy number alterations (SCNAs) occurring within the same colorectal cancer (CRC) tumor. METHODS We investigated SCNAs to identify the progression from a high-grade intramucosal lesion (HGIL) to an invasive front lesion (IFL), via an invasive submucosal lesion (ISL), within the same tumor using a crypt isolation method combined with a SNP array. Immunohistochemistry was also performed. RESULTS We identified 51 amplified genes that potentially promote progression from HGIL to ISL and 6 amplified genes involved in the progression from ISL to IFL. Of the 51 genes involved in HGIL to ISL progression, TORC1, MSLN, and STUB1, which are closely associated with CRC, were identified as candidate markers of submucosal invasion. However, no candidate genes were identified among the six genes associated with ISL to IFL progression. In addition, the number of total SCNAs and the number of gains were correlated with cancer progression (from HGIL to IFL). Finally, immunohistochemistry revealed higher expression of TORC1, MSLN, and STUB1 in ISL than in HGIL. CONCLUSIONS These results suggest that specific SCNAs are required for acquisition of invasive ability in CRC, and the affected genes are potential markers of invasion.
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Affiliation(s)
- Shun Yamada
- Department of Molecular Diagnostic Pathology, School of MedicineIwate Medical UniversityYahabaJapan
- Division of Gastroenterology, Department of Internal MedicineIwate Medical UniversityYahabaJapan
| | - Mitsumasa Osakabe
- Department of Molecular Diagnostic Pathology, School of MedicineIwate Medical UniversityYahabaJapan
| | - Noriyuki Uesugi
- Department of Molecular Diagnostic Pathology, School of MedicineIwate Medical UniversityYahabaJapan
| | - Naoki Yanagawa
- Department of Molecular Diagnostic Pathology, School of MedicineIwate Medical UniversityYahabaJapan
| | - Takayuki Matsumoto
- Division of Gastroenterology, Department of Internal MedicineIwate Medical UniversityYahabaJapan
| | - Hiromu Suzuki
- Department of Molecular BiologySapporo Medical UniversitySapporoJapan
| | - Tamotsu Sugai
- Department of Molecular Diagnostic Pathology, School of MedicineIwate Medical UniversityYahabaJapan
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Palstrøm NB, Overgaard M, Licht P, Beck HC. Identification of Highly Sensitive Pleural Effusion Protein Biomarkers for Malignant Pleural Mesothelioma by Affinity-Based Quantitative Proteomics. Cancers (Basel) 2023; 15:cancers15030641. [PMID: 36765599 PMCID: PMC9913626 DOI: 10.3390/cancers15030641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/19/2022] [Accepted: 01/18/2023] [Indexed: 01/21/2023] Open
Abstract
Malignant pleural mesothelioma (MPM) is an asbestos-associated, highly aggressive cancer characterized by late-stage diagnosis and poor prognosis. Gold standards for diagnosis are pleural biopsy and cytology of pleural effusion (PE), both of which are limited by low sensitivity and markedly inter-observer variations. Therefore, the assessment of PE biomarkers is considered a viable and objective diagnostic tool for MPM diagnosis. We applied a novel affinity-enrichment mass spectrometry-based proteomics method for explorative analysis of pleural effusions from a prospective cohort of 84 patients referred for thoracoscopy due to clinical suspicion of MPM. Protein biomarkers with a high capability to discriminate MPM from non-MPM patients were identified, and a Random Forest algorithm was applied for building classification models. Immunohistology of pleural biopsies confirmed MPM in 40 patients and ruled out MPM in 44 patients. Proteomic analysis of pleural effusions identified panels of proteins with excellent diagnostic properties (90-100% sensitivities, 89-98% specificities, and AUC 0.97-0.99) depending on the specific protein combination. Diagnostic proteins associated with cancer growth included galactin-3 binding protein, testican-2, haptoglobin, Beta ig-h3, and protein AMBP. Moreover, we also confirmed previously reported diagnostic accuracies of the MPM markers fibulin-3 and mesothelin measured by two complementary mass spectrometry-based methods. In conclusion, a novel affinity-enrichment mass spectrometry-based proteomics identified panels of proteins in pleural effusion with extraordinary diagnostic accuracies, which are described here for the first time as biomarkers for MPM.
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Affiliation(s)
- Nicolai B. Palstrøm
- Department of Clinical Biochemistry, Odense University Hospital, 5000 Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
| | - Martin Overgaard
- Department of Clinical Biochemistry, Odense University Hospital, 5000 Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
| | - Peter Licht
- Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
- Department of Cardiothoracic and Vascular Surgery, Odense University Hospital, 5000 Odense, Denmark
| | - Hans C. Beck
- Department of Clinical Biochemistry, Odense University Hospital, 5000 Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
- Correspondence:
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21
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Bogar F, Ak G, Metintas S, Ayhanci A, Metintas M. Longitudinal monitoring of response to chemotherapy in patients with malignant pleural mesothelioma by biomarkers. Cancer Biomark 2023; 38:111-120. [PMID: 37545218 DOI: 10.3233/cbm-220436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
BACKGROUND The aim of the study was to longitudinally investigate the serum levels of mesothelin, sestrin1, hyaluronan synthase 2 (HAS2), midkine, and high mobility group box 1 (HMGB1) before and after chemotherapy and at the time of relapse in malignant pleural mesothelioma (MPM) patients treated with chemotherapy and to compare the changes in biomarker levels with radiological treatment outcome. METHODS A total of 64 MPM patients treated with chemotherapy were enrolled in the study and longitudinally followed for changes in biomarker levels in response to treatment. Biomarkers levels were measured in serum using a human ELISA kit. Relative and absolute changes in biomarker levels were compared with the best radiological overall response at each time point. RESULTS Median survival was 20.0 ± 2.4 (15.3-24.7) months in patients with partial and complete response, 17.0 ± 1.0 (15.0-19.0) months in patients with stable disease, and 9.0 ± 1.0 (7.0-11.0) months in patients with progressive disease. A significant decrease in serum levels of mesothelin, midkine, and HMGB1 was observed in patients with radiologically partial and complete responses to chemotherapy (p< 0.001, p= 0.016, and p= 0.039, respectively). In these patients, mesothelin levels decreased by 15%, midkine levels by 7%, and HMGB1 levels by 15%. In addition, HMGB1 serum levels were found to significantly increase by 15% in patients with radiologically progressive responses to chemotherapy compared to pretreatment serum levels (p= 0.035). In patients with partial and complete response to chemotherapy, mesothelin levels increased by 15%, midkine by 12%, and sestrin1 by 8% when the disease recurred (p= 0.004, p= 0.004 and p= 0.044, respectively). CONCLUSION Biomarkers may be useful in the longitudinal monitoring of response to treatment in MPM. However, the results of our study should be validated in larger groups with sufficient case numbers from multicenter institutions.
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Affiliation(s)
- Filiz Bogar
- Eskisehir Osmangazi University Lung and Pleural Cancers Research and Clinical Center, Eskisehir, Turkey
| | - Guntulu Ak
- Eskisehir Osmangazi University Lung and Pleural Cancers Research and Clinical Center, Eskisehir, Turkey
- Eskisehir Osmangazi University, Medical Faculty, Department of Chest Disease, Eskisehir, Turkey
| | - Selma Metintas
- Eskisehir Osmangazi University Lung and Pleural Cancers Research and Clinical Center, Eskisehir, Turkey
- Eskisehir Osmangazi University, Medical Faculty, Department of Public Health, Eskisehir, Turkey
| | - Adnan Ayhanci
- Eskisehir Osmangazi University, Faculty of Science, Department of Biology, Eskisehir, Turkey
| | - Muzaffer Metintas
- Eskisehir Osmangazi University Lung and Pleural Cancers Research and Clinical Center, Eskisehir, Turkey
- Eskisehir Osmangazi University, Medical Faculty, Department of Chest Disease, Eskisehir, Turkey
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22
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Ding J, Guyette S, Schrand B, Geirut J, Horton H, Guo G, Delgoffe G, Menk A, Baeuerle PA, Hofmeister R, Tighe R. Mesothelin-targeting T cells bearing a novel T cell receptor fusion construct (TRuC) exhibit potent antitumor efficacy against solid tumors. Oncoimmunology 2023; 12:2182058. [PMID: 36875551 PMCID: PMC9980471 DOI: 10.1080/2162402x.2023.2182058] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023] Open
Abstract
T cell Receptor (TCR) Fusion Construct (TRuC®) T cells harness all signaling subunits of the TCR to activate T cells and eliminate tumor cells, with minimal release of cytokines. While adoptive cell therapy with chimeric antigen receptor (CAR)-T cells has shown unprecedented clinical efficacy against B-cell malignancies, monotherapy with CAR-T cells has suboptimal clinical efficacy against solid tumors, probably because of the artificial signaling properties of the CAR. TRuC-T cells may address the suboptimal efficacy of existing CAR-T therapies for solid tumors. Here, we report that mesothelin (MSLN)-specific TRuC-T cells (referred to as TC-210 T cells) potently kill MSLN+ tumor cells in vitro and efficiently eradicate MSLN+ mesothelioma, lung, and ovarian cancers in xenograft mouse tumor models. When benchmarked against MSLN-targeted BBζ CAR-T cells (MSLN-BBζ CAR-T cells), TC-210 T cells show an overall comparable level of efficacy; however, TC-210 T cells consistently show faster tumor rejection kinetics that are associated with earlier intratumoral accumulation and earlier signs of activation. Furthermore, in vitro and ex vivo metabolic profiling suggests TC-210 T cells have lower glycolytic activity and higher mitochondrial metabolism than MSLN-BBζ CAR-T cells. These data highlight TC-210 T cells as a promising cell therapy for treating MSLN-expressing cancers. The differentiated profile from CAR-T cells may translate into better efficacy and safety of TRuC-T cells for solid tumors.
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Affiliation(s)
- Jian Ding
- Research & Development, Formerly of TCR2 Therapeutics, Inc, Cambridge, MA, USA
| | - Sarah Guyette
- Research & Development, Formerly of TCR2 Therapeutics, Inc, Cambridge, MA, USA
| | - Brett Schrand
- Research & Development, Formerly of TCR2 Therapeutics, Inc, Cambridge, MA, USA
| | - Jessica Geirut
- Research & Development, Formerly of TCR2 Therapeutics, Inc, Cambridge, MA, USA
| | - Holly Horton
- Research & Development, Formerly of TCR2 Therapeutics, Inc, Cambridge, MA, USA
| | - Guangwu Guo
- Research & Development, Formerly of TCR2 Therapeutics, Inc, Cambridge, MA, USA
| | - Greg Delgoffe
- Tumor Microenvironment Center, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA.,Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Ashley Menk
- Tumor Microenvironment Center, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Patrick A Baeuerle
- Research & Development, Formerly of TCR2 Therapeutics, Inc, Cambridge, MA, USA
| | - Robert Hofmeister
- Research & Development, Formerly of TCR2 Therapeutics, Inc, Cambridge, MA, USA
| | - Robert Tighe
- Research & Development, TCR2 Therapeutics, Inc, Cambridge, MA, USA
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23
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Rihs HP, Casjens S, Raiko I, Kollmeier J, Lehnert M, Nöfer K, May-Taube K, Kaiser N, Taeger D, Behrens T, Brüning T, Johnen G; MoMar Study Group. Mesothelin Gene Variants Affect Soluble Mesothelin-Related Protein Levels in the Plasma of Asbestos-Exposed Males and Mesothelioma Patients from Germany. Biology (Basel) 2022; 11. [PMID: 36552335 DOI: 10.3390/biology11121826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/08/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Abstract
Malignant mesothelioma (MM) is a severe disease mostly caused by asbestos exposure. Today, one of the best available biomarkers is the soluble mesothelin-related protein (SMRP), also known as mesothelin. Recent studies have shown that mesothelin levels are influenced by individual genetic variability. This study aimed to investigate the influence of three mesothelin (MSLN) gene variants (SNPs) in the 5′-untranslated promoter region (5′-UTR), MSLN rs2235503 C > A, rs3764246 A > G, rs3764247 A > C, and one (rs1057147 G > A) in the 3′-untranslated region (3′-UTR) of the MSLN gene on plasma concentrations of mesothelin in 410 asbestos-exposed males without cancer and 43 males with prediagnostic MM (i.e., with MM diagnosed later on) from the prospective MoMar study, as well as 59 males with manifest MM from Germany. The mesothelin concentration differed significantly between the different groups (p < 0.0001), but not between the prediagnostic and manifest MM groups (p = 0.502). Five to eight mutations of the four SNP variants studied were associated with increased mesothelin concentrations (p = 0.001). The highest mesothelin concentrations were observed for homozygous variants of the three promotor SNPs in the 5′-UTR (p < 0.001), and the highest odds ratio for an elevated mesothelin concentration was observed for MSLN rs2235503 C > A. The four studied SNPs had a clear influence on the mesothelin concentration in plasma. Hence, the analysis of these SNPs may help to elucidate the diagnostic background of patients displaying increased mesothelin levels and might help to reduce false-positive results when using mesothelin for MM screening in high-risk groups.
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24
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Wang JJ, Yan L. Serum diagnostic markers for malignant pleural mesothelioma: a narrative review. Transl Cancer Res 2022; 11:4434-4440. [PMID: 36644178 PMCID: PMC9834602 DOI: 10.21037/tcr-22-2873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 12/24/2022] [Indexed: 12/29/2022]
Abstract
Background and Objective The prognosis of patients with malignant pleural mesothelioma (MPM) is poor, and early diagnosis is key to improving the prognosis. Pleural biopsy is the gold reference for diagnosing MPM, but it is an invasive method that can cause operation-related complications such as bleeding and infection. Serum biomarkers, with the advantages of mini-invasiveness, short turnaround time and objectiveness, represent a promising diagnostic tool for MPM. Methods We searched the PubMed database to identify clinical studies published between 1990 to July 2022 that investigated the diagnostic accuracy of serum biomarkers for MPM. The major findings of the verified studies were summarized. Key Content and Findings Currently, there are many available serum markers for MPM, including mesothelin, soluble mesothelin-related peptides, osteopontin, fibulin-3, high mobility group box 1, and microRNA. Systematic review and meta-analysis evidence indicates that the sensitivity and specificity of these serum markers are less than 0.90. In addition, a large portion of previous studies have limitations, especially the representativeness of the study cohort. Conclusions The diagnostic accuracy of currently available serum biomarkers is unsatisfactory, and further studies are needed to investigate novel serum biomarkers.
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Affiliation(s)
- Jing-Jing Wang
- Department of Laboratory Medicine, the Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Li Yan
- Department of Respiratory and Critical Care Medicine, the Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
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25
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Johnson MD. Metastases to Meningiomas: A Comprehensive Literature Review Including Mediating Proteins. Cancers (Basel) 2022; 14:cancers14235877. [PMID: 36497364 PMCID: PMC9738472 DOI: 10.3390/cancers14235877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 11/16/2022] [Accepted: 11/24/2022] [Indexed: 12/02/2022] Open
Abstract
Approximately 5-15% of solid tumors metastasizing to the central nervous system metastasize to the leptomeninges. Less common, is metastasis to leptomeningeal meningiomas. These are primarily carcinomas of the breast and lung. Awareness of this phenomenon is critical to the evaluation of meningiomas, especially since the metastases may be the first indication of an occult tumor elsewhere in the body. Lack of clear demarcation between the metastasis and meningioma parenchyma, as well as histological features similar to the meningioma, may hinder recognition. The mechanisms underlying metastases anchoring and spread along the leptomeninges are not established. However, several cell adhesion molecules are thought to contribute to this phenomenon. E cadherin is a cell adhesion molecule present in meningioma cells. Binding to endothelium by adhesion molecules such as ICAM, B1 integrin, P-selectin, PECAM-1, CXCL12 and SDF-1 have also been proposed as part of the mechanisms underlying breast carcinoma metastases. In addition, the leptomeninges and meningiomas express mesothelin that acts as an anchoring protein coupling with mucin-16. Consequently, metastatic tumor cell mucin and mesothelin may also facilitate the anchoring of metastases to meningiomas.
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Affiliation(s)
- Mahlon D Johnson
- Department of Pathology, Division of Neuropathology, University of Rochester Medical Center, 601 Elmwood Ave. Box 626, Rochester, NY 14623, USA
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26
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Stepanov A, Usharova SA, Malsagova KA, Moshetova LK, Turkina KI, Kopylov AT, Kaysheva AL. Tear Proteome Revealed Association of S100A Family Proteins and Mesothelin with Thrombosis in Elderly Patients with Retinal Vein Occlusion. Int J Mol Sci 2022; 23. [PMID: 36498980 DOI: 10.3390/ijms232314653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 11/03/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022] Open
Abstract
Tear samples collected from patients with central retinal vein occlusion (CRVO; n = 28) and healthy volunteers (n = 29) were analyzed using a proteomic label-free absolute quantitative approach. A large proportion (458 proteins with a frequency > 0.6) of tear proteomes was found to be shared between the study groups. Comparative proteomic analysis revealed 29 proteins (p < 0.05) significantly differed between CRVO patients and the control group. Among them, S100A6 (log (2) FC = 1.11, p < 0.001), S100A8 (log (2) FC = 2.45, p < 0.001), S100A9 (log2 (FC) = 2.08, p < 0.001), and mesothelin ((log2 (FC) = 0.82, p < 0.001) were the most abundantly represented upregulated proteins, and β2-microglobulin was the most downregulated protein (log2 (FC) = −2.13, p < 0.001). The selected up- and downregulated proteins were gathered to customize a map of CRVO-related critical protein interactions with quantitative properties. The customized map (FDR < 0.01) revealed inflammation, impairment of retinal hemostasis, and immune response as the main set of processes associated with CRVO ischemic condition. The semantic analysis displayed the prevalence of core biological processes covering dysregulation of mitochondrial organization and utilization of improperly or topologically incorrect folded proteins as a consequence of oxidative stress, and escalating of the ischemic condition caused by the local retinal hemostasis dysregulation. The most significantly different proteins (S100A6, S100A8, S100A9, MSLN, and β2-microglobulin) were applied for the ROC analysis, and their AUC varied from 0.772 to 0.952, suggesting probable association with the CRVO.
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Wang Q, Gong R. Immunotherapy targeting mesothelin in acute myeloid leukemia. J Leukoc Biol 2022; 112:813-821. [PMID: 35946307 DOI: 10.1002/jlb.5mr0622-483r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 06/06/2022] [Indexed: 11/08/2022] Open
Abstract
Mesothelin (MSLN) is an emerging target that exists in soluble and membrane-associated forms. It is usually used for the diagnosis and treatment of MSLN-positive solid tumors. Interestingly, recent studies have shown that MSLN is highly expressed in 36% of acute myeloid leukemia (AML) patients and barely expressed in normal hematopoietic cells, which makes MSLN a promising target for the treatment of AML. It has been shown that MSLN is detectable as a diagnostic marker in its soluble form. Although the mechanism of action is unclear, MSLN remains a promising target for immunotherapy. Most MSLN research has been conducted in solid tumors, and less research has been conducted in hematopoietic tumors. Increasing research on MSLN is underway in AML, a hematopoietic neoplasm. For example, MSLN is related to extramedullary disease, minimal residual disease, and relapse in AML patients. Decreasing the expression of MSLN reduces the severity of the disease course. This information suggests that MSLN may be an ideal target for the treatment of many AML-related diseases to improve the prognosis and survival rate. At present, there are a few immunotherapies targeting MSLN in AML in preclinical and clinical trials, such as antibody-drug conjugates, bispecific T-cell engagers, and chimeric antigen receptor-T cells, which opens new room for the treatment of MSLN-related AML.
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Affiliation(s)
- Qingguang Wang
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, Hubei, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Rui Gong
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, Hubei, China.,University of Chinese Academy of Sciences, Beijing, China
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Hou X, Wang F, Meng X, Li D, Ding J, Chen Y, Wang Z, Zhu H, Yang Z. Construction of a 124I-Labeled Specific Antibody for the Noninvasive Detection of Mesothelin-Overexpressing Tumors. Mol Pharm 2022; 19:3623-3631. [PMID: 35904514 DOI: 10.1021/acs.molpharmaceut.2c00342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Mesothelin (MSLN) is a molecular biomarker of many types of solid tumors, such as mesothelioma, pancreatic cancer, and colon cancer. Owing to the significant difference in expression between cancer cells and normal cells, mesothelin has been widely used as a key target in cancer immunotherapy. In this study, we used iodine isotope (nat/124/125I)-labeled mesothelin antibodies to noninvasively detect MSLN expression in mice with LS174T colon cancer. The 124I-labeled MSLN antibody showed a high radiochemical purity (RCP, >99%) and specific activity (20.8-67.8 GBq/μmol) after purification and was stable in 5% HSA and PBS (>95% RCP at 8 days). Western blot analysis indicated that the LS174T cells showed a higher MSLN protein level than the HepG2 cells. The half maximal effective concentration (EC50) values of the MSLN antibody and natI-anti-MSLN were 34.77 ± 3.72 ng/mL and 32.60 ± 2.52 ng/mL (P = 0.63), respectively. The dissociation constant of 124I-anti-MSLN binding to MSLN protein was 16.0 nM. The radiotracer showed a significantly higher uptake in LS174T cells than in HepG2 tumor cells (1.56 ± 0.09 vs 0.81 ± 0.03, P = 0.0016) 2 days postinjection. The LS174T mouse models showed extremely low organ uptake and high tumor uptake 96 h after the injection of 124I-anti-MSLN, and the T/M values were much higher than those of the other imaging groups (10.56 ± 1.20 for 124I-anti-MSLN in LS174T mice vs 3.27 ± 0.20 for 124I-anti-MSLN in HepG2 mice vs 3.53 ± 0.2 for 124I-IgG in LS174T mice). The immunochemical histology results showed that LS174T tumors were strongly positive (+++) for MSLN, while those in the HepG2 group showed slight expression (+). The dosimetry estimation study showed that the effective dose of 124I-anti-MSLN was 0.185 mSv/MBq, which is within the range of acceptable doses for further nuclear medicine translational research. Taken together, these results suggest that this radiotracer has the potential for detecting mesothelin-overexpressing tumors.
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Affiliation(s)
- Xingguo Hou
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Department of Nuclear Medicine, Peking University Cancer Hospital and Institute, Beijing 100142, China.,Institute of Biomedical Engineering, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China
| | - Feng Wang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Department of Nuclear Medicine, Peking University Cancer Hospital and Institute, Beijing 100142, China
| | - Xiangxi Meng
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Department of Nuclear Medicine, Peking University Cancer Hospital and Institute, Beijing 100142, China
| | - Dan Li
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Department of Nuclear Medicine, Peking University Cancer Hospital and Institute, Beijing 100142, China
| | - Jin Ding
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Department of Nuclear Medicine, Peking University Cancer Hospital and Institute, Beijing 100142, China
| | - Yan Chen
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Department of Nuclear Medicine, Peking University Cancer Hospital and Institute, Beijing 100142, China.,Guizhou University School of Medicine, Guiyang, Guizhou 550025, People's Republic of China
| | - Zilei Wang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Department of Nuclear Medicine, Peking University Cancer Hospital and Institute, Beijing 100142, China.,Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Hua Zhu
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Department of Nuclear Medicine, Peking University Cancer Hospital and Institute, Beijing 100142, China.,Institute of Biomedical Engineering, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China
| | - Zhi Yang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), NMPA Key Laboratory for Research and Evaluation of Radiopharmaceuticals (National Medical Products Administration), Department of Nuclear Medicine, Peking University Cancer Hospital and Institute, Beijing 100142, China.,Institute of Biomedical Engineering, Peking University Shenzhen Graduate School, Shenzhen, Guangdong 518055, China
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Jirapongwattana N, Thongchot S, Chiraphapphaiboon W, Chieochansin T, Sa-Nguanraksa D, Warnnissorn M, Thuwajit P, Yenchitsomanus PT, Thuwajit C. Mesothelin‑specific T cell cytotoxicity against triple negative breast cancer is enhanced by 40s ribosomal protein subunit 3‑treated self‑differentiated dendritic cells. Oncol Rep 2022; 48:127. [PMID: 35616135 PMCID: PMC9164262 DOI: 10.3892/or.2022.8338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 05/12/2022] [Indexed: 11/05/2022] Open
Abstract
Triple negative breast cancer (TNBC) lacks targeted treatment resulting in poor prognosis. Targeting overexpressing mesothelin (MSLN) using MSLN‑specific T cells is an attractive treatment approach and the aim of the present study. The expression of MSLN in human TNBC paraffin sections was analyzed by immunohistochemistry. Lentiviral vector harbored granulocyte‑macrophage colony stimulating factor (GM‑CSF), interleukin‑4 (IL‑4) and MSLN cDNAs was constructed to generate self‑differentiated myeloid‑derived antigen‑presenting‑cells reactive against tumor expressing MSLN dendritic cell (MSLN‑SmartDC) for MSLN‑specific T cell activation. The results showed high MSLN in 32.8% of all breast cancer subtypes and 57% in TNBC. High MSLN was significantly associated with TNBC subtype and the absence of estrogen receptor, progesterone receptor and human epidermal growth factor receptor 2. MSLN‑SmartDC exhibited comparable phenotype to DC generated by exogenous cytokine treatment and an addition of 40s ribosomal protein subunit 3 (RPS3), a toll‑like receptor 4 ligand, enhanced DC maturation and function by upregulation of CD40, CD80 and CD83 expressions and IL‑12p70 secretion. MSLN‑specific CD8+CD69+ IFN‑γ+ T cells were detected in T cells activated by both MSLN‑SmartDC and RPS3‑MSLN‑SmartDC. MSLN‑specific T cells activated by these DCs showed more specific killing capability against naturally expressed MSLN‑HCC70 and artificially MSLN‑overexpressing MDA‑MB‑231 compared with parental MDA‑MB‑231 in both two dimensional (2D)‑ and 3D‑culture systems. In conclusion, the results demonstrated the efficacy of MSLN‑SmartDC to promote MSLN‑specific T cells response against TNBC and RPS3 can enhance the cytolytic activity of these T cells providing an alternative treatment approach for patients with TNBC.
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Affiliation(s)
- Niphat Jirapongwattana
- Graduate Program in Immunology, Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Suyanee Thongchot
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Wannasiri Chiraphapphaiboon
- Siriraj Center of Research Excellence for Cancer Immunotherapy (SiCORE‑CIT), Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Thaweesak Chieochansin
- Siriraj Center of Research Excellence for Cancer Immunotherapy (SiCORE‑CIT), Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Doonyapat Sa-Nguanraksa
- Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Malee Warnnissorn
- Department of Pathology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Peti Thuwajit
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Pa-Thai Yenchitsomanus
- Siriraj Center of Research Excellence for Cancer Immunotherapy (SiCORE‑CIT), Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Chanitra Thuwajit
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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30
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Li Y, Tian W, Zhang H, Zhang Z, Zhao Q, Chang L, Lei N, Zhang W. MSLN Correlates With Immune Infiltration and Chemoresistance as a Prognostic Biomarker in Ovarian Cancer. Front Oncol 2022; 12:830570. [PMID: 35692779 PMCID: PMC9174524 DOI: 10.3389/fonc.2022.830570] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 04/27/2022] [Indexed: 11/22/2022] Open
Abstract
Mesothelin (MSLN) is a glycoprotein with various expression degrees in different tumors including mesothelioma, ovarian cancer, pancreatic cancer, etc. MSLN is considered to play an important role in cell survival, proliferation, and tumor progression. Although the expression of MSLN in tumors makes it a potential therapeutic target, its mechanism of action is still unclear, especially its correlation with immune cells infiltration in the tumor microenvironment has not been investigated. In this study, we detected the overexpression of MSLN in ovarian cancer using database analysis and tissue-array staining. We further evaluated the diagnostic value of MSLN and found it was associated with poor overall survival in ovarian cancer. In addition, the high expression of MSLN was significantly related to the immune-related genes and chemoresistant genes. We confirmed the overexpression of MSLN in the chemoresistant ovarian cancer cell lines. Our research suggests that MSLN participates in a variety of pathways related to the suppression of immune activation and promotion of chemoresistance, leading to a poor prognosis in ovarian cancer.
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Affiliation(s)
- Yike Li
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China.,Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Wanjia Tian
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Hong Zhang
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Zhijian Zhang
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Qinghe Zhao
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lei Chang
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ningjing Lei
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Weiwei Zhang
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Huang H, Wang Z, Zhang Y, Pradhan RN, Ganguly D, Chandra R, Murimwa G, Wright S, Gu X, Maddipati R, Müller S, Turley SJ, Brekken RA. Mesothelial cell-derived antigen-presenting cancer-associated fibroblasts induce expansion of regulatory T cells in pancreatic cancer. Cancer Cell 2022; 40:656-673.e7. [PMID: 35523176 PMCID: PMC9197998 DOI: 10.1016/j.ccell.2022.04.011] [Citation(s) in RCA: 140] [Impact Index Per Article: 70.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 02/25/2022] [Accepted: 04/14/2022] [Indexed: 12/11/2022]
Abstract
Recent studies have identified a unique cancer-associated fibroblast (CAF) population termed antigen-presenting CAFs (apCAFs), characterized by the expression of major histocompatibility complex class II molecules, suggesting a function in regulating tumor immunity. Here, by integrating multiple single-cell RNA-sequencing studies and performing robust lineage-tracing assays, we find that apCAFs are derived from mesothelial cells. During pancreatic cancer progression, mesothelial cells form apCAFs by downregulating mesothelial features and gaining fibroblastic features, a process induced by interleukin-1 and transforming growth factor β. apCAFs directly ligate and induce naive CD4+ T cells into regulatory T cells (Tregs) in an antigen-specific manner. Moreover, treatment with an antibody targeting the mesothelial cell marker mesothelin can effectively inhibit mesothelial cell to apCAF transition and Treg formation induced by apCAFs. Taken together, our study elucidates how mesothelial cells may contribute to immune evasion in pancreatic cancer and provides insight on strategies to enhance cancer immune therapy.
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Affiliation(s)
- Huocong Huang
- Department of Surgery, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA; Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA.
| | - Zhaoning Wang
- Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Yuqing Zhang
- Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA; Cancer Biology Graduate Program, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA
| | | | - Debolina Ganguly
- Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA; Cancer Biology Graduate Program, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA
| | - Raghav Chandra
- Department of Surgery, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA; Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA
| | - Gilbert Murimwa
- Department of Surgery, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA; Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA
| | - Steven Wright
- Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA
| | - Xiaowu Gu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA
| | - Ravikanth Maddipati
- Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA; Department of Internal Medicine, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA
| | | | | | - Rolf A Brekken
- Department of Surgery, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA; Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA; Cancer Biology Graduate Program, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA; Department of Pharmacology, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd, Dallas, TX 75390, USA.
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Giordano G, Ferioli E, Tafuni A. The Role of Mesothelin Expression in Serous Ovarian Carcinoma: Impacts on Diagnosis, Prognosis, and Therapeutic Targets. Cancers (Basel) 2022; 14:cancers14092283. [PMID: 35565412 PMCID: PMC9103848 DOI: 10.3390/cancers14092283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/27/2022] [Accepted: 04/29/2022] [Indexed: 02/05/2023] Open
Abstract
Mesothelin (MSLN) is a protein expressed in the mesothelial cell lining of the pleura, peritoneum, and pericardium; its biological functions in normal cells are still unknown. Experimental studies using knockout mice have suggested that this molecule does not play an important role in development and reproduction. In contrast, it has been observed that this molecule is produced in abnormal amounts in several malignant neoplasms, such as mesotheliomas and pancreatic adenocarcinomas. Many molecular studies have also demonstrated that mesothelin is overexpressed in HSOCs. Here, we discuss the current knowledge of mesothelin and focus on its role in clinical and pathological diagnoses, as well as its impact on the prognosis of HSOC. Moreover, regarding the binding of MSLN to the ovarian cancer antigen CA125, which has been demonstrated in many studies, we also report on signal transduction pathways that may play an important role in the spread and neoplastic progression of this lethal neoplasm. Given that mesothelin is overexpressed in many solid tumours and has antigenic properties, this molecule could be considered an antigenic target for the treatment of many malignancies. Consequently, we also review the literature to report on mesothelin-targeting therapies for HSOC that have been recently investigated in many clinical studies.
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Taniguchi G, Kajino K, Momose S, Saeki H, Yue L, Ohtsuji N, Abe M, Shibuya T, Orimo A, Nagahara A, Watanabe S, Hino O. The Inhibitory Effects of Anti-ERC/ Mesothelin Antibody 22A31 on Colorectal Adenocarcinoma Cells, within a Mouse Xenograft Model. Cancers (Basel) 2022; 14:cancers14092198. [PMID: 35565327 PMCID: PMC9101225 DOI: 10.3390/cancers14092198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/22/2022] [Accepted: 04/26/2022] [Indexed: 11/23/2022] Open
Abstract
Simple Summary The expression of Renal Carcinoma (ERC)/mesothelin is overexpressed in malignancies such as mesothelioma, pancreatic cancer, and ovarian cancer, and molecular-targeted therapies against ERC/mesothelin have been developed to treat them. Recently, it was revealed that ERC/mesothelin is also expressed in colorectal cancer; thus, this protein is expected to be a therapeutic target in colorectal cancer. In this study, we demonstrated that anti-ERC/mesothelin antibody 22A31 suppressed the growth of colorectal cancer cells subcutaneously xenografted on the back of mice. This is the first report to show the effectiveness of an anti-ERC/mesothelin antibody for the treatment of colorectal cancer in vivo. Abstract The expression of Renal Carcinoma (ERC)/mesothelin is enhanced in a variety of cancers. ERC/mesothelin contributes to cancer progression by modulating cell signals that regulate proliferation and apoptosis. Based on such biological insights, ERC/mesothelin has become a molecular target for the treatment of mesothelioma, pancreatic cancer, and ovarian cancer. Recent studies revealed about 50–60% of colorectal adenocarcinomas also express ERC/mesothelin. Therefore, colorectal cancer can also be a potential target of the treatment using an anti-ERC/mesothelin antibody. We previously demonstrated an anti-tumor effect of anti-ERC antibody 22A31 against mesothelioma. In this study, we investigated the effect of 22A31 on a colorectal adenocarcinoma cell line, HCT116. The cells were xenografted into BALB/c nu/nu mice. All mice were randomly allocated to either an antibody treatment group with 22A31 or isotype-matched control IgG1κ. We compared the volume of subsequent tumors, and tumors were pathologically assessed by immunohistochemistry. Tumors treated with 22A31 were significantly smaller than those treated with IgG1κ and contained significantly fewer mitotic cells with Ki67 staining. We demonstrated that 22A31 exhibited a growth inhibitory property on HCT116. Our results implied that ERC/mesothelin-targeted therapy might be a promising treatment for colorectal cancer.
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Affiliation(s)
- Gentaro Taniguchi
- Department of Molecular Pathology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (G.T.); (L.Y.); (N.O.); (M.A.); (A.O.); (O.H.)
- Department of Gastroenterology, Faculty of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.S.); (A.N.); (S.W.)
| | - Kazunori Kajino
- Department of Molecular Pathology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (G.T.); (L.Y.); (N.O.); (M.A.); (A.O.); (O.H.)
- Department of Human Pathology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan;
- Correspondence:
| | - Shuji Momose
- Department of Pathology, Saitama Medical Center, Saitama Medical University, 1981 Kamoda, Kawagoe 350-8550, Japan;
| | - Harumi Saeki
- Department of Human Pathology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan;
| | - Liang Yue
- Department of Molecular Pathology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (G.T.); (L.Y.); (N.O.); (M.A.); (A.O.); (O.H.)
| | - Naomi Ohtsuji
- Department of Molecular Pathology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (G.T.); (L.Y.); (N.O.); (M.A.); (A.O.); (O.H.)
- Department of Human Pathology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan;
| | - Masaaki Abe
- Department of Molecular Pathology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (G.T.); (L.Y.); (N.O.); (M.A.); (A.O.); (O.H.)
| | - Tomoyoshi Shibuya
- Department of Gastroenterology, Faculty of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.S.); (A.N.); (S.W.)
| | - Akira Orimo
- Department of Molecular Pathology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (G.T.); (L.Y.); (N.O.); (M.A.); (A.O.); (O.H.)
| | - Akihito Nagahara
- Department of Gastroenterology, Faculty of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.S.); (A.N.); (S.W.)
| | - Sumio Watanabe
- Department of Gastroenterology, Faculty of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (T.S.); (A.N.); (S.W.)
| | - Okio Hino
- Department of Molecular Pathology, Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; (G.T.); (L.Y.); (N.O.); (M.A.); (A.O.); (O.H.)
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Sotoudeh M, Mansouri V, Shakeri R, Sharififard B, Sajadi N, Naderi M. Interpatient variability in mesothelin expression necessitates its evaluation before gastric cancer immunotherapy. Immunotherapy 2022; 14:531-538. [PMID: 35321580 DOI: 10.2217/imt-2021-0314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aims: Mesothelin (MSLN) was applied for the immunotherapy of ovarian cancer and mesothelioma with a minimum expression of 60% to obtain a clinical response. Here, the authors evaluated MSLN expression as a potential target of gastric adenocarcinoma immunotherapy. Materials & methods: The expression of MSLN was evaluated by immunohistochemistry and was reported in primary tumor (PT) and metastatic tumor (MT) sites. Results: The results showed that only 17.1% and 13.5% of the patients had 60% or more MSLN expression in PT and MT sites, respectively. The expression of MSLN in PTs and MTs was not influenced by Lauren classification, neoadjuvant therapy or tumor stage. Conclusions: Interpatient variability in MSLN expression necessitates its evaluation before MSLN-based gastric cancer immunotherapy.
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Affiliation(s)
- Masoud Sotoudeh
- Digestive Diseases Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Vahid Mansouri
- Gene Therapy Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Shakeri
- Digestive Oncology Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Bahareh Sharififard
- Digestive Oncology Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Nasim Sajadi
- Ali-Asghar Children's Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Mahmood Naderi
- Gene Therapy Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
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Nunes M, Pacheco F, Coelho R, Leitão D, Ricardo S, David L. Mesothelin Expression Is Not Associated with the Presence of Cancer Stem Cell Markers SOX2 and ALDH1 in Ovarian Cancer. Int J Mol Sci 2022; 23:1016. [PMID: 35162954 DOI: 10.3390/ijms23031016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/06/2022] [Accepted: 01/14/2022] [Indexed: 11/17/2022] Open
Abstract
Mesothelin (MSLN) overexpression (OE) is a frequent finding in ovarian carcinomas and increases cell survival and tumor aggressiveness. Since cancer stem cells (CSCs) contribute to pathogenesis, chemoresistance and malignant behavior in ovarian cancer (OC), we hypothesized that MSLN expression could be creating a favorable environment that nurtures CSCs. In this study, we analyzed the expression of MSLN and CSC markers SOX2 and ALDH1 by immunohistochemistry (IHC) in different model systems: primary high-grade serous carcinomas (HGSCs) and OC cell lines, including cell lines that were genetically engineered for MSLN expression by either CRISPR-Cas9-mediated knockout (Δ) or lentivirus-mediated OE. Cell lines, wild type and genetically engineered, were evaluated in 2D and 3D culture conditions and xenografted in nude mice. We observed that MSLN was widely expressed in HGSC, and restricted expression was observed in OC cell lines. In contrast, SOX2 and ALDH1 expression was limited in all tissue and cell models. Most importantly, the expression of CSC markers was independent of MSLN expression, and manipulation of MSLN expression did not affect CSC markers. In conclusion, MSLN expression is not involved in driving the CSC phenotype.
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Pezzicoli G, Rizzo M, Perrone M, Minei S, Mutti L, Porta C. A Glimpse in the Future of Malignant Mesothelioma Treatment. Front Pharmacol 2022; 12:809337. [PMID: 34975505 PMCID: PMC8714955 DOI: 10.3389/fphar.2021.809337] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 12/02/2021] [Indexed: 12/23/2022] Open
Abstract
Malignant mesothelioma (MMe) is a rare neoplasm with few therapeutic options available. The landscape of effective therapy for this disease remained unchanged in the last two decades. Recently, however, the introduction of Immune Checkpoint Inhibitors (ICIs) led to small, but nevertheless, promising improvements. However, many efforts are still needed to radically improve the prognosis of MMe. In this review, we analyze all those therapeutic strategies for MMe that are still in a preclinical or early clinical phase of development. In particular, we focus on novel antiangiogenic drugs and their possible combination with immunotherapy. Furthermore, we describe also more complex strategies such as microRNA-loaded vectors, oncolytic viruses, and engineered lymphocytes.
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Affiliation(s)
- Gaetano Pezzicoli
- Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari, Italy
| | - Mimma Rizzo
- A.O.U. Consorziale Policlinico di Bari, Bari, Italy
| | - Martina Perrone
- Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari, Italy
| | - Silvia Minei
- Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari, Italy
| | - Luciano Mutti
- Italian Group for Research and Therapy for Mesothelioma (GIMe), Voghera, Italy
| | - Camillo Porta
- Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari, Italy.,A.O.U. Consorziale Policlinico di Bari, Bari, Italy
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Gopalakrishnapillai A, Correnti CE, Pilat K, Lin I, Chan MK, Bandaranayake AD, Mehlin C, Kisielewski A, Hamill D, Kaeding AJ, Meshinchi S, Olson JM, Kolb EA, Barwe SP. Immunotherapeutic Targeting of Mesothelin Positive Pediatric AML Using Bispecific T Cell Engaging Antibodies. Cancers (Basel) 2021; 13:cancers13235964. [PMID: 34885074 PMCID: PMC8657033 DOI: 10.3390/cancers13235964] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Immunotherapy development in pediatric AML has been slow due to the paucity of validated AML-specific targets. We recently identified mesothelin (MSLN) as a therapeutic target in pediatric AML. Mice receiving T cell engaging bispecific antibodies (BsAbs) targeting MSLN and CD3 achieved complete remission and durable responses in two MSLN-positive patient-derived xenograft (PDX) models. This is a first report showing MSLN-targeting BsAbs are a viable immunotherapy for MSLN-positive pediatric AML. Abstract Advances in the treatment of pediatric AML have been modest over the past four decades. Despite maximally intensive therapy, approximately 40% of patients will relapse. Novel targeted therapies are needed to improve outcomes. We identified mesothelin (MSLN), a well-validated target overexpressed in some adult malignancies, to be highly expressed on the leukemic cell surface in a subset of pediatric AML patients. The lack of expression on normal bone marrow cells makes MSLN a viable target for immunotherapies such as T-cell engaging bispecific antibodies (BsAbs) that combine two distinct antibody-variable regions into a single molecule targeting a cancer-specific antigen and the T-cell co-receptor CD3. Using antibody single-chain variable region (scFv) sequences derived from amatuximab-recognizing MSLN, and from either blinatumomab or AMG330 targeting CD3, we engineered and expressed two MSLN/CD3-targeting BsAbs: MSLNAMA-CD3L2K and MSLNAMA-CD3AMG, respectively. Both BsAbs promoted T-cell activation and reduced leukemic burden in MV4;11:MSLN xenografted mice, but not in those transplanted with MSLN-negative parental MV4;11 cells. MSLNAMA-CD3AMG induced complete remission in NTPL-146 and DF-5 patient-derived xenograft models. These data validate the in vivo efficacy and specificity of MSLN-targeting BsAbs. Because prior MSLN-directed therapies appeared safe in humans, MSLN-targeting BsAbs could be ideal immunotherapies for MSLN-positive pediatric AML patients.
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Affiliation(s)
- Anilkumar Gopalakrishnapillai
- Nemours Centers for Childhood Cancer Research & Cancer and Blood Disorders, Alfred I. duPont Hospital for Children, Wilmington, DE 19803, USA; (A.G.); (A.K.); (D.H.); (E.A.K.)
| | - Colin E. Correnti
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (C.E.C.); (K.P.); (I.L.); (M.K.C.); (A.D.B.); (C.M.); (A.J.K.); (S.M.); (J.M.O.)
| | - Kristina Pilat
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (C.E.C.); (K.P.); (I.L.); (M.K.C.); (A.D.B.); (C.M.); (A.J.K.); (S.M.); (J.M.O.)
| | - Ida Lin
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (C.E.C.); (K.P.); (I.L.); (M.K.C.); (A.D.B.); (C.M.); (A.J.K.); (S.M.); (J.M.O.)
| | - Man Kid Chan
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (C.E.C.); (K.P.); (I.L.); (M.K.C.); (A.D.B.); (C.M.); (A.J.K.); (S.M.); (J.M.O.)
| | - Ashok D. Bandaranayake
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (C.E.C.); (K.P.); (I.L.); (M.K.C.); (A.D.B.); (C.M.); (A.J.K.); (S.M.); (J.M.O.)
| | - Christopher Mehlin
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (C.E.C.); (K.P.); (I.L.); (M.K.C.); (A.D.B.); (C.M.); (A.J.K.); (S.M.); (J.M.O.)
| | - Anne Kisielewski
- Nemours Centers for Childhood Cancer Research & Cancer and Blood Disorders, Alfred I. duPont Hospital for Children, Wilmington, DE 19803, USA; (A.G.); (A.K.); (D.H.); (E.A.K.)
| | - Darcy Hamill
- Nemours Centers for Childhood Cancer Research & Cancer and Blood Disorders, Alfred I. duPont Hospital for Children, Wilmington, DE 19803, USA; (A.G.); (A.K.); (D.H.); (E.A.K.)
| | - Allison J. Kaeding
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (C.E.C.); (K.P.); (I.L.); (M.K.C.); (A.D.B.); (C.M.); (A.J.K.); (S.M.); (J.M.O.)
| | - Soheil Meshinchi
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (C.E.C.); (K.P.); (I.L.); (M.K.C.); (A.D.B.); (C.M.); (A.J.K.); (S.M.); (J.M.O.)
| | - James M. Olson
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (C.E.C.); (K.P.); (I.L.); (M.K.C.); (A.D.B.); (C.M.); (A.J.K.); (S.M.); (J.M.O.)
| | - Edward Anders Kolb
- Nemours Centers for Childhood Cancer Research & Cancer and Blood Disorders, Alfred I. duPont Hospital for Children, Wilmington, DE 19803, USA; (A.G.); (A.K.); (D.H.); (E.A.K.)
| | - Sonali P. Barwe
- Nemours Centers for Childhood Cancer Research & Cancer and Blood Disorders, Alfred I. duPont Hospital for Children, Wilmington, DE 19803, USA; (A.G.); (A.K.); (D.H.); (E.A.K.)
- Correspondence: ; Tel.: +1-302-651-6542
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Hilliard TS, Kowalski B, Iwamoto K, Agadi EA, Liu Y, Yang J, Asem M, Klymenko Y, Johnson J, Shi Z, Marfowaa G, Yemc MG, Petrasko P, Stack MS. Host Mesothelin Expression Increases Ovarian Cancer Metastasis in the Peritoneal Microenvironment. Int J Mol Sci 2021; 22:ijms222212443. [PMID: 34830322 PMCID: PMC8623331 DOI: 10.3390/ijms222212443] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/10/2021] [Accepted: 11/16/2021] [Indexed: 01/06/2023] Open
Abstract
Mesothelin (MSLN), a glycoprotein normally expressed by mesothelial cells, is overexpressed in ovarian cancer (OvCa) suggesting a role in tumor progression, although the biological function is not fully understood. OvCa has a high mortality rate due to diagnosis at advanced stage disease with intraperitoneal metastasis. Tumor cells detach from the primary tumor as single cells or multicellular aggregates (MCAs) and attach to the mesothelium of organs within the peritoneal cavity producing widely disseminated secondary lesions. To investigate the role of host MSLN in the peritoneal cavity we used a mouse model with a null mutation in the MSLN gene (MSLNKO). The deletion of host MSLN expression modified the peritoneal ultrastructure resulting in abnormal mesothelial cell surface architecture and altered omental collagen fibril organization. Co-culture of murine OvCa cells with primary mesothelial cells regardless of MSLN expression formed compact MCAs. However, co-culture with MSLNKO mesothelial cells resulted in smaller MCAs. An allograft tumor study, using wild-type mice (MSLNWT) or MSLNKO mice injected intraperitoneally with murine OvCa cells demonstrated a significant decrease in peritoneal metastatic tumor burden in MSLNKO mice compared to MSLNWT mice. Together, these data support a role for host MSLN in the progression of OvCa metastasis.
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Affiliation(s)
- Tyvette S. Hilliard
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA; (B.K.); (E.A.A.); (M.A.); (M.S.S.)
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA; (Y.L.); (J.Y.); (Y.K.); (J.J.)
- Correspondence: ; Tel.: +1-574-631-2453
| | - Brooke Kowalski
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA; (B.K.); (E.A.A.); (M.A.); (M.S.S.)
| | - Kyle Iwamoto
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 46556, USA;
| | - Elizabeth A. Agadi
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA; (B.K.); (E.A.A.); (M.A.); (M.S.S.)
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA; (Y.L.); (J.Y.); (Y.K.); (J.J.)
- Integrated Biomedical Sciences Graduate Program, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Yueying Liu
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA; (Y.L.); (J.Y.); (Y.K.); (J.J.)
| | - Jing Yang
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA; (Y.L.); (J.Y.); (Y.K.); (J.J.)
| | - Marwa Asem
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA; (B.K.); (E.A.A.); (M.A.); (M.S.S.)
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA; (Y.L.); (J.Y.); (Y.K.); (J.J.)
| | - Yuliya Klymenko
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA; (Y.L.); (J.Y.); (Y.K.); (J.J.)
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Jeff Johnson
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA; (Y.L.); (J.Y.); (Y.K.); (J.J.)
| | - Zonggao Shi
- St. Jude Children’s Research Hospital, Memphis, TN 38105, USA;
| | - Gifty Marfowaa
- Department of Pre-Professional Studies, University of Notre Dame, Notre Dame, IN 46556, USA;
| | - Madeleine G. Yemc
- Department of Science Business, University of Notre Dame, Notre Dame, IN 46556, USA; (M.G.Y.); (P.P.)
| | - Phillip Petrasko
- Department of Science Business, University of Notre Dame, Notre Dame, IN 46556, USA; (M.G.Y.); (P.P.)
| | - M. Sharon Stack
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA; (B.K.); (E.A.A.); (M.A.); (M.S.S.)
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA; (Y.L.); (J.Y.); (Y.K.); (J.J.)
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Grosso F, Mannucci M, Ugo F, Ferro P, Cassinari M, Vigani A, De Angelis AM, Delfanti S, Lia M, Guaschino R, Barbero S, Roncella S, Giannoni U, Bertolotti M, Pistillo MP, Fontana V. Pilot Study to Evaluate Serum Soluble Mesothelin-Related Peptide (SMRP) as Marker for Clinical Monitoring of Pleural Mesothelioma (PM): Correlation with Modified RECIST Score. Diagnostics (Basel) 2021; 11:2015. [PMID: 34829362 DOI: 10.3390/diagnostics11112015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/22/2021] [Accepted: 10/28/2021] [Indexed: 12/18/2022] Open
Abstract
A soluble mesothelin-related peptide (SMRP) is the only FDA-approved biomarker for diagnosis of pleural mesothelioma (PM) and the most used for monitoring treatment. Radiological assessment of PM, based on modified RECIST (mRECIST) criteria, is challenging. This pilot study was designed to evaluate whether SMRP levels correlated over time with mRECIST score. Serial serum samples from PM patients were collected and SMRP levels were measured and compared with the mRECIST score obtained through centralized CT scans by blinded review. The within-patient SMRP-mRECIST relationship over time was estimated through a normal random-effects regression approach applied to the log-transformed mRECIST score. Overall, 58 PM patients were included (46 males and 12 females) with a median age at diagnosis of 67 years (min–max = 48–79), 44 (76%) with epithelioid and 14 (24%) with non-epithelioid histology. The total number of SMRP measurements and CT scans considered for analysis was 183. There was a statistically significant correlation between SMRP and mRECIST score in the 2 cohorts considered both separately and jointly. These results, although exploratory, suggest that SMRP measurement might be considered as an adjunct to monitor PM patients in order to delay CT scans time interval, thus warranting further investigation.
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Cao B, Liu M, Huang J, Zhou J, Li J, Lian H, Huang W, Guo Y, Yang S, Lin L, Cai M, Zhi C, Wu J, Liang L, Hu Y, Hu H, He J, Liang B, Zhao Q, Zhu K. Development of mesothelin-specific CAR NK-92 cells for the treatment of gastric cancer. Int J Biol Sci 2021; 17:3850-3861. [PMID: 34671203 PMCID: PMC8495380 DOI: 10.7150/ijbs.64630] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 08/26/2021] [Indexed: 12/19/2022] Open
Abstract
Background: The application of chimeric antigen receptor (CAR) NK cells in solid tumors is hindered by lack of tumor-specific targets and inefficient CAR NK cell efficacy. It has been reported that mesothelin (MSLN) may be an ideal immunotherapy target for gastric cancer. However, the feasibility of using anti-MSLN CAR NK cells to treat gastric cancer remains to be studied. Methods: MSLN expression in primary human gastric cancer, normal tissues and cell lines were detected. MSLN and CD19 targeted CAR NK-92 (MSLN- and CD19-CAR NK) cells were constructed, purified and verified. N87, MKN-28, AGS and Huh-7 cells expressing the GFP and luciferase genes were transduced. Cell- and patient-derived xenograft (PDX) were established via NSG mice. The ability of MSLN-CAR NK cells to kill MSLN-positive gastric cancer cells were evaluated in vitro and in vivo. Results: MSLN-CAR NK cells can specifically kill MSLN-positive gastric cancer cells (N87, MKN-28 and AGS), rather than MSLN negative cell (Huh-7), in vitro. Moreover, compared with parental NK-92 cells and CD19-CAR NK cells, stronger cytokine secretions were secreted in MSLN-CAR NK cells cocultured with N87, MKN-28 and AGS. Furthermore, MSLN-CAR NK cells can effectively eliminate gastric cancer cells in both subcutaneous and intraperitoneal tumor models. They could also significantly prolong the survival of intraperitoneally tumor-bearing mice. More importantly, the potent antitumor effect and considerable NK cell infiltration were observed in the patient-derived xenograft treated with MSLN-CAR NK cells, which further warranted the therapeutic effects of MSLN-CAR NK cells to treat gastric cancer. Conclusion: These results demonstrate that MSLN-CAR NK cells possess strong antitumor activity and represent a promising therapeutic approach to gastric cancer.
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Affiliation(s)
- Bihui Cao
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Manting Liu
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Jingjun Huang
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Jingwen Zhou
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Junping Li
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Hui Lian
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Wensou Huang
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Yongjian Guo
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Shuo Yang
- Department of Pharmacy, Guangzhou Medical University, 511436, China
| | - Liteng Lin
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Mingyue Cai
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Cheng Zhi
- Department of Pathology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Jingqiang Wu
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Licong Liang
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Yuling Hu
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Hong Hu
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Jinping He
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Baoxia Liang
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
| | - Qi Zhao
- MoE Frontiers Science Center for Precision Oncology, Faculty of Health Sciences, University of Macau, Macau SAR, 999078 China
| | - Kangshun Zhu
- Department of Minimally Invasive Interventional Radiology and Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
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Yeo D, Castelletti L, van Zandwijk N, Rasko JEJ. Hitting the Bull's-Eye: Mesothelin's Role as a Biomarker and Therapeutic Target for Malignant Pleural Mesothelioma. Cancers (Basel) 2021; 13:3932. [PMID: 34439085 PMCID: PMC8391149 DOI: 10.3390/cancers13163932] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 12/16/2022] Open
Abstract
Malignant pleural mesothelioma (MPM) is an aggressive cancer with limited treatment options and poor prognosis. MPM originates from the mesothelial lining of the pleura. Mesothelin (MSLN) is a glycoprotein expressed at low levels in normal tissues and at high levels in MPM. Many other solid cancers overexpress MSLN, and this is associated with worse survival rates. However, this association has not been found in MPM, and the exact biological role of MSLN in MPM requires further exploration. Here, we discuss the current research on the diagnostic and prognostic value of MSLN in MPM patients. Furthermore, MSLN has become an attractive immunotherapy target in MPM, where better treatment strategies are urgently needed. Several MSLN-targeted monoclonal antibodies, antibody-drug conjugates, immunotoxins, cancer vaccines, and cellular therapies have been tested in the clinical setting. The biological rationale underpinning MSLN-targeted immunotherapies and their potential to improve MPM patient outcomes are reviewed.
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Affiliation(s)
- Dannel Yeo
- Li Ka Shing Cell & Gene Therapy Program, The University of Sydney, Camperdown, NSW 2050, Australia; (D.Y.); (L.C.)
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2050, Australia;
- Cell and Molecular Therapies, Royal Prince Alfred Hospital, Sydney Local Health District (SLHD), Camperdown, NSW 2050, Australia
| | - Laura Castelletti
- Li Ka Shing Cell & Gene Therapy Program, The University of Sydney, Camperdown, NSW 2050, Australia; (D.Y.); (L.C.)
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2050, Australia;
- Cell and Molecular Therapies, Royal Prince Alfred Hospital, Sydney Local Health District (SLHD), Camperdown, NSW 2050, Australia
| | - Nico van Zandwijk
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2050, Australia;
- Cell and Molecular Therapies, Royal Prince Alfred Hospital, Sydney Local Health District (SLHD), Camperdown, NSW 2050, Australia
- Concord Repatriation General Hospital, Sydney Local Health District (SLHD), Concord, NSW 2139, Australia
| | - John E. J. Rasko
- Li Ka Shing Cell & Gene Therapy Program, The University of Sydney, Camperdown, NSW 2050, Australia; (D.Y.); (L.C.)
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2050, Australia;
- Cell and Molecular Therapies, Royal Prince Alfred Hospital, Sydney Local Health District (SLHD), Camperdown, NSW 2050, Australia
- Gene and Stem Cell Therapy Program, Centenary Institute, The University of Sydney, Camperdown, NSW 2050, Australia
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Yoon DH, Ibrahim A, Tatishchev S, Duldulao MPN, Lee SW, Shin J. Prevalence of mesothelin expression in peritoneal disease from colorectal and appendiceal cancers. J Surg Oncol 2021; 124:1091-1097. [PMID: 34310720 DOI: 10.1002/jso.26610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 06/01/2021] [Accepted: 06/19/2021] [Indexed: 11/11/2022]
Abstract
BACKGROUND Mesothelin is a cell surface glycoprotein overexpressed in 28%-58% of colorectal cancer (CRC). We hypothesized that CRC mesothelin expression contributes to peritoneal spread and that it is selectively overexpressed in those with peritoneal metastasis versus distant metastasis. METHODS This case-controlled study involved mesothelin immunohistochemistry staining of tumor specimens from patients with metastatic CRC/appendiceal cancers between 2017 and 2019. Staining reactivity was graded from trace to 4+ (low ≤1+; high >1+). Staining patterns were characterized on global (focal/patchy/diffuse) and cellular (apical/cytoplasmic) levels. Immunostaining of normal mesothelial cells served as internal control. RESULTS Thirty-one patients were identified: 11 peritoneal (study) and 20 distant metastasis (control). The control group did not include appendiceal cancers. The study group had greater proportion of high staining reactivity (55% vs. 5%; odds ratio [OR] = 20.4, 95% confidence interval [CI] 1.96-211.8). The study group had more diffuse (36% vs. 0%; OR = 22.2, 95% CI 1.1-465.3) and cytoplasmic staining patterns (73% vs. 28%; OR = 6.9, 95% CI 1.3-37.2). CONCLUSION Mesothelin expression is higher in CRC/appendiceal cancers with peritoneal metastasis than those with distant metastasis. Immunohistochemistry staining patterns suggestive of propensity towards peritoneal metastasis include diffuse and cytoplasmic staining. Mesothelin may be a potential target for novel treatments of CRC/appendiceal carcinoma with peritoneal involvement.
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Affiliation(s)
- Dong H Yoon
- Division of Colorectal Surgery, Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Ahmad Ibrahim
- Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Sergei Tatishchev
- Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Marjun P N Duldulao
- Division of Colorectal Surgery, Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Sang W Lee
- Division of Colorectal Surgery, Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Joongho Shin
- Division of Colorectal Surgery, Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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43
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Nishio T, Koyama Y, Liu X, Rosenthal SB, Yamamoto G, Fuji H, Baglieri J, Li N, Brenner LN, Iwaisako K, Taura K, Hagood JS, LaRusso NF, Bera TK, Pastan I, Brenner DA, Kisseleva T. Immunotherapy-based targeting of MSLN + activated portal fibroblasts is a strategy for treatment of cholestatic liver fibrosis. Proc Natl Acad Sci U S A 2021; 118:e2101270118. [PMID: 34253615 DOI: 10.1073/pnas.2101270118] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
We investigated the role of mesothelin (Msln) and thymocyte differentiation antigen 1 (Thy1) in the activation of fibroblasts across multiple organs and demonstrated that Msln-/- mice are protected from cholestatic fibrosis caused by Mdr2 (multidrug resistance gene 2) deficiency, bleomycin-induced lung fibrosis, and UUO (unilateral urinary obstruction)-induced kidney fibrosis. On the contrary, Thy1-/- mice are more susceptible to fibrosis, suggesting that a Msln-Thy1 signaling complex is critical for tissue fibroblast activation. A similar mechanism was observed in human activated portal fibroblasts (aPFs). Targeting of human MSLN+ aPFs with two anti-MSLN immunotoxins killed fibroblasts engineered to express human mesothelin and reduced collagen deposition in livers of bile duct ligation (BDL)-injured mice. We provide evidence that antimesothelin-based therapy may be a strategy for treatment of parenchymal organ fibrosis.
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44
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Abstract
Introduction: Malignant pleural mesothelioma (MPM) has limited treatment options with minimal new therapy approvals for unresectable disease in the past 15 years. However, considerable work has occurred to develop immunotherapies and biomarker driven therapy to improve patient outcomes over this period.Areas covered: This review examines current standard of care systemic therapy in the first- and second line setting. The last 12 months has seen 2 significant trials (Checkmate 743 and CONFIRM) which provide evidence supporting the role of immunotherapy in the management of MPM. Further trials are underway to assess the role of combination chemoimmunotherapy and personalized therapy. Additionally, a large number of clinical trials are ongoing to assess the efficacy of oncoviral, dendritic cell, anti-mesothelin and chimeric antigen receptor T cell therapy in the treatment of MPM.Expert opinion: Recent Phase III trial results have established a role for immunotherapy in the management of MPM. The optimal sequencing and combination of chemotherapy and immunotherapy remains to be determined. Novel therapies for MPM are promising however efficacy remains to be determined and issues remain regarding access to and delivery of these therapies.
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Affiliation(s)
- Alexander P Davis
- Department of Medical Oncology, Chris O'Brien Lifehouse, Camperdown, Australia
| | - Steven C Kao
- Department of Medical Oncology, Chris O'Brien Lifehouse, Camperdown, Australia.,Asbestos Disease Research Institute, Rhodes, Australia.,Sydney Medical School, The University of Sydney, Sydney, Australia
| | - Stephen J Clarke
- Sydney Medical School, The University of Sydney, Sydney, Australia.,Department of Medical Oncology, Royal North Shore Hospital, St Leonards, Australia.,Genesis Care, St Leonards, Australia
| | - Michael Boyer
- Department of Medical Oncology, Chris O'Brien Lifehouse, Camperdown, Australia.,Sydney Medical School, The University of Sydney, Sydney, Australia
| | - Nick Pavlakis
- Sydney Medical School, The University of Sydney, Sydney, Australia.,Department of Medical Oncology, Royal North Shore Hospital, St Leonards, Australia.,Genesis Care, St Leonards, Australia
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45
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Roy J, Jagoda EM, Basuli F, Vasalatiy O, Phelps TE, Wong K, Ton AT, Hagemann UB, Cuthbertson AS, Cole PE, Hassan R, Choyke PL, Lin FI. In Vitro and In Vivo Comparison of 3,2-HOPO Versus Deferoxamine-Based Chelation of Zirconium-89 to the Anti mesothelin Antibody Anetumab. Cancer Biother Radiopharm 2021; 36:316-325. [PMID: 34014767 PMCID: PMC8161658 DOI: 10.1089/cbr.2020.4492] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Introduction: [227Th]Th-3,2-HOPO-MSLN-mAb, a mesothelin (MSLN)-targeted thorium-227 therapeutic conjugate, is currently in phase I clinical trial; however, direct PET imaging using this conjugate is technically challenging. Thus, using the same MSLN antibody, we synthesized 3,2-HOPO and deferoxamine (DFO)-based zirconium-89 antibody conjugates, [89Zr]Zr-3,2-HOPO-MSLN-mAb and [89Zr]Zr-DFO-MSLN-mAb, respectively, and compared them in vitro and in vivo. Methods: [89Zr]Zr-3,2-HOPO-MSLN-mAb and [89Zr]Zr-DFO-MSLN-mAb were evaluated in vitro to determine binding affinity and immunoreactivity in HT29-MSLN and PDX (NCI-Meso16, NCI-Meso21) cells. For both the zirconium-89 conjugates, in vivo studies (biodistribution/imaging) were performed at days 1, 3, and 6, from which tissue uptake was determined. Results: Both the conjugates demonstrated a low nanomolar binding affinity for MSLN and >95% immunoreactivity. In all the three tumor types, biodistribution of [89Zr]Zr-DFO-MSLN-mAb resulted in higher tumor uptake(15.88-28-33%ID/g) at all time points compared with [89Zr]Zr-3,2-HOPO-MSLN-mAb(7–13.07%ID/g). [89Zr]Zr-3,2-HOPO-MSLN-mAb femur uptake was always higher than [89Zr]Zr-DFO-MSLN-mAb, and imaging results concurred with the biodistribution studies. Conclusions: Even though the conjugates exhibited a high binding affinity for MSLN, [89Zr]Zr-DFO-MSLN-mAb showed a higher tumor and lower femur uptake than [89Zr]Zr-3,2-HOPO-MSLN-mAb. Nevertheless, [89Zr]Zr-3,2-HOPO-MSLN-mAb could be used to study organ distribution and lesion uptake with the caveat of detecting MSLN-positive bone lesions. Clinical trial (NCT03507452).
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Affiliation(s)
- Jyoti Roy
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Elaine M Jagoda
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Falguni Basuli
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Rockville, Maryland, USA
| | - Olga Vasalatiy
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Rockville, Maryland, USA
| | - Tim E Phelps
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Karen Wong
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Anita T Ton
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | | | | | | | - Raffit Hassan
- Thoracic and GI Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Peter L Choyke
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Frank I Lin
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
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46
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Weidemann S, Gagelmann P, Gorbokon N, Lennartz M, Menz A, Luebke AM, Kluth M, Hube-Magg C, Blessin NC, Fraune C, Möller K, Bernreuther C, Lebok P, Clauditz TS, Jacobsen F, Izbicki JR, Jansen K, Sauter G, Uhlig R, Wilczak W, Steurer S, Minner S, Burandt E, Krech RH, Dum D, Krech T, Marx AH, Simon R. Mesothelin Expression in Human Tumors: A Tissue Microarray Study on 12,679 Tumors. Biomedicines 2021; 9:397. [PMID: 33917081 DOI: 10.3390/biomedicines9040397] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/30/2021] [Accepted: 04/04/2021] [Indexed: 12/13/2022] Open
Abstract
Mesothelin (MSLN) represents an attractive molecule for targeted cancer therapies. To identify tumors that might benefit from such therapies, tissue microarrays including 15,050 tumors from 122 different tumor types and 76 healthy organs were analyzed for MSLN expression by immunohistochemistry. Sixty-six (54%) tumor types showed at least occasional weak staining, including 50 (41%) tumor types with at least one strongly positive sample. Highest prevalence of MSLN positivity had ovarian carcinomas (serous 97%, clear cell 83%, endometrioid 77%, mucinous 71%, carcinosarcoma 65%), pancreatic adenocarcinoma (ductal 75%, ampullary 81%), endometrial carcinomas (clear cell 71%, serous 57%, carcinosarcoma 50%, endometrioid 45%), malignant mesothelioma (69%), and adenocarcinoma of the lung (55%). MSLN was rare in cancers of the breast (7% of 1138), kidney (7% of 807), thyroid gland (1% of 638), soft tissues (0.3% of 931), and prostate (0 of 481). High expression was linked to advanced pathological tumor (pT) stage (p < 0.0001) and metastasis (p < 0.0001) in 1619 colorectal adenocarcinomas, but unrelated to parameters of malignancy in 1072 breast-, 386 ovarian-, 174 lung-, 757 kidney-, 171 endometrial-, 373 gastric-, and 925 bladder carcinomas. In summary, numerous important cancer types with high-level MSLN expression might benefit from future anti-MSLN therapies, but MSLN’s prognostic relevance appears to be limited.
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47
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Hu ZI, Ghafoor A, Sengupta M, Hassan R. Malignant mesothelioma: Advances in immune checkpoint inhibitor and mesothelin-targeted therapies. Cancer 2021; 127:1010-1020. [PMID: 33620732 PMCID: PMC8555868 DOI: 10.1002/cncr.33433] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 12/08/2020] [Accepted: 12/16/2020] [Indexed: 12/11/2022]
Abstract
Malignant mesothelioma is an aggressive cancer with a poor prognosis and limited treatment options. For many years, the only US Food and Drug Administration-approved first-line treatment for unresectable mesothelioma was pemetrexed plus cisplatin. However, the recent approval of nivolumab plus ipilimumab as frontline treatment for patients with pleural mesothelioma marks a significant milestone for the treatment of this disease. In this review, the authors describe recent advances in therapeutic strategies for the treatment of patients with advanced, unresectable mesothelioma, highlighting the emerging use of immunotherapy and mesothelin-targeted therapies for the management of malignant mesothelioma.
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Affiliation(s)
- Zishuo I Hu
- Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Azam Ghafoor
- Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Manjistha Sengupta
- Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Raffit Hassan
- Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
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48
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Wang Y, Wang J, Yang X, Yang J, Lu P, Zhao L, Li B, Pan H, Jiang Z, Shen X, Liang Z, Liang Y, Zhu H. Chemokine Receptor CCR2b Enhanced Anti-tumor Function of Chimeric Antigen Receptor T Cells Targeting Mesothelin in a Non-small-cell Lung Carcinoma Model. Front Immunol 2021; 12:628906. [PMID: 33777013 PMCID: PMC7992009 DOI: 10.3389/fimmu.2021.628906] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 02/01/2021] [Indexed: 12/20/2022] Open
Abstract
Chimeric antigen receptor (CAR) T cell therapy faces a number of challenges for the treatment of non-small-cell lung carcinoma (NSCLC), and efficient migration of circulating CAR T cells plays an important role in anti-tumor activity. In this study, a CAR specific for tumor antigen mesothelin (Msln-CAR) was co-expressed with cell chemokine receptors CCR2b or CCR4. Findings showed that CCR2b and CCR4 enhanced the migration of Msln-CAR T cell in vitro by transwell assay. When incubated with mesothelin-positive tumor cells, Msln-CCR2b-CAR and Msln-CCR4-CAR T cell specifically exerted potent cytotoxicity and produced high levels of proinflammatory cytokines, including IL-2, IFN-γ, and TNF-α. Furthermore, NSCLC cell line-derived xenograft (CDX) model was constructed by implanting subcutaneously modified A549 into NSG mice. Compared to conventional Msln-CAR T cells, living imaging indicated that Msln-CCR2b-CAR T cells displayed superior anti-tumor function due to enhanced migration and infiltration into tumor tissue shown by immunohistochemistry (IHC) analysis. In addition, histopathological examinations of mice organs showed that no obvious organic damages were observed. This is the first time that CAR T cell therapy combined with chemokine receptor is applied to NSCLC treatment.
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MESH Headings
- A549 Cells
- Animals
- Carcinoma, Non-Small-Cell Lung/genetics
- Carcinoma, Non-Small-Cell Lung/immunology
- Carcinoma, Non-Small-Cell Lung/metabolism
- Carcinoma, Non-Small-Cell Lung/therapy
- Chemotaxis, Leukocyte
- Cytokines/metabolism
- Cytotoxicity, Immunologic
- Female
- GPI-Linked Proteins/immunology
- GPI-Linked Proteins/metabolism
- Humans
- Immunotherapy, Adoptive
- Lung Neoplasms/genetics
- Lung Neoplasms/immunology
- Lung Neoplasms/metabolism
- Lung Neoplasms/therapy
- Mesothelin
- Mice, Inbred NOD
- Mice, SCID
- Receptors, CCR2/genetics
- Receptors, CCR2/metabolism
- Receptors, CCR4/genetics
- Receptors, CCR4/metabolism
- Receptors, Chimeric Antigen/genetics
- Receptors, Chimeric Antigen/metabolism
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- T-Lymphocytes/transplantation
- Xenograft Model Antitumor Assays
- Mice
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Huanzhang Zhu
- State Key Laboratory of Genetic Engineering and Engineering Research Center of Gene Technology, Ministry of Education, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
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49
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Mauricio D, Harold J, Tymon-Rosario JR, Zeybek B, Santin AD. Novel mesothelin antibody-drug conjugates: current evidence and future role in the treatment of ovarian cancer. Expert Opin Biol Ther 2021; 21:1087-1096. [PMID: 33356644 DOI: 10.1080/14712598.2021.1869210] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Introduction: Ovarian cancer is the deadliest gynecologic malignancy in the United States, and effective therapies for recurrent, advanced, and progressive disease are limited. Mesothelin is known to be expressed in ovarian cancers, and antibody-drug conjugates targeting mesothelin are a promising novel therapeutic agent.Areas Covered: This article reviews the currently available literature of anti-mesothelin antibody-drug conjugates as a novel treatment for ovarian cancer. Preclinical in vitro and in vivo data as well as clinical results are reviewed for each available agent. Additionally, adverse effects are covered.Expert Opinion: Anti-mesothelin antibody-drug conjugates and their combination with chemotherapeutic agents have undergone phase II trials with encouraging results and demonstrated favorable adverse effect profiles. Phase III data will be necessary to establish its role in ovarian cancer, particularly in recurrent, advanced, or progressive disease.
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Affiliation(s)
- Dennis Mauricio
- Department of Obstetrics, Gynecology, And Reproductive Sciences Yale University School of Medicine, New Haven, CT, USA
| | - Justin Harold
- Department of Obstetrics, Gynecology, And Reproductive Sciences Yale University School of Medicine, New Haven, CT, USA
| | - Joan R Tymon-Rosario
- Department of Obstetrics, Gynecology, And Reproductive Sciences Yale University School of Medicine, New Haven, CT, USA
| | - Burak Zeybek
- Department of Obstetrics, Gynecology, And Reproductive Sciences Yale University School of Medicine, New Haven, CT, USA
| | - Alessandro D Santin
- Department of Obstetrics, Gynecology, And Reproductive Sciences Yale University School of Medicine, New Haven, CT, USA
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50
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Abstract
Significant progresses have been made in adoptive cell therapy with CAR-T cells for cancers, especially for hematological malignancies. However, the treatment of solid tumors still poses a tremendous challenge and remains an unmet medical need. Several factors are held responsible for the inadequate responses: tumor heterogeneity, inefficient homing of T cells to tumor tissues, immunosuppressive microenvironment and the shortage of specific antigens shortage. Mesothelin is a cell-surface glycoprotein highly expressed in many types of solid tumors. As such, it has attracted much attention as a molecular target in cancer immunotherapy. Here, we delineate the barriers imposed by solid tumors on CARs, outline the rationale of mesothelin as a target for immunotherapy, summarize the preclinical and clinical results of mesothelin-targeted therapies, and extrapolate the expected results of CAR-T cells directed against mesothelin for solid tumors.
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Affiliation(s)
- Gui-Zhen Zhang
- Key Laboratory of Kidney Disease Immunization in Henan Province, People’s Hospital of Zhengzhou University, Zhengzhou, China
| | - Tian-Fang Li
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shuang-Yin Han
- Key Laboratory of Kidney Disease Immunization in Henan Province, People’s Hospital of Zhengzhou University, Zhengzhou, China
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