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Cooper Z, Kowalski A, Powell EN, Wu JD. Politics and health care spending in the United States: A case study from the passage of the 2003 Medicare Modernization Act. J Health Econ 2024; 95:102878. [PMID: 38579485 DOI: 10.1016/j.jhealeco.2024.102878] [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] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 03/13/2024] [Accepted: 03/16/2024] [Indexed: 04/07/2024]
Abstract
This paper analyzes the interplay between congressional politics, the actions of the executive branch, and hospitals' regulated Medicare payments. We focus on the 2003 Medicare Modernization Act (MMA) and analyze a provision in the law - Section 508 - that raised certain hospitals' regulated payments. We show, via our analysis of the Section 508 program, that Medicare payments are malleable and can be influenced by political dynamics. In the cross-section, hospitals represented by members of Congress who voted "yea" on the MMA were more likely to receive Section 508 payment increases. We interviewed the Secretary of Health and Human Services who oversaw the MMA, and he described how these payment increases were designed to win support for the law. The Section 508 payment increases raised hospitals' activity and spending. Members of Congress representing recipient hospitals received increased campaign contributions after the Section 508 payment increases were extended. Ultimately, our analysis highlights how Medicare payment increases can serve as an appealing tool for legislative leaders working to win votes for wider pieces of legislation.
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Affiliation(s)
- Zack Cooper
- Yale University, United States of America; National Bureau of Economic Research, United States of America.
| | - Amanda Kowalski
- National Bureau of Economic Research, United States of America; University of Michigan, United States of America
| | | | - Jennifer D Wu
- University of Pennsylvania, United States of America
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2
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Chen S, Fan J, Xie P, Ahn J, Fernandez M, Billingham LK, Miska J, Wu JD, Wainwright DA, Fang D, Sosman JA, Wan Y, Zhang Y, Chandel NS, Zhang B. CD8+ T cells sustain antitumor response by mediating crosstalk between adenosine A2A receptor and glutathione/GPX4. J Clin Invest 2024; 134:e170071. [PMID: 38441967 PMCID: PMC11014673 DOI: 10.1172/jci170071] [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: 02/28/2023] [Accepted: 02/27/2024] [Indexed: 03/07/2024] Open
Abstract
Antitumor responses of CD8+ T cells are tightly regulated by distinct metabolic fitness. High levels of glutathione (GSH) are observed in the majority of tumors, contributing to cancer progression and treatment resistance in part by preventing glutathione peroxidase 4-dependent (GPX4-dependent) ferroptosis. Here, we show the necessity of adenosine A2A receptor (A2AR) signaling and the GSH/GPX4 axis in orchestrating metabolic fitness and survival of functionally competent CD8+ T cells. Activated CD8+ T cells treated ex vivo with simultaneous inhibition of A2AR and lipid peroxidation acquire a superior capacity to proliferate and persist in vivo, demonstrating a translatable means to prevent ferroptosis in adoptive cell therapy. Additionally, we identify a particular cluster of intratumoral CD8+ T cells expressing a putative gene signature of GSH metabolism (GMGS) in association with clinical response and survival across several human cancers. Our study addresses a key role of GSH/GPX4 and adenosinergic pathways in fine-tuning the metabolic fitness of antitumor CD8+ T cells.
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Affiliation(s)
- Siqi Chen
- Department of Medicine, Hematology/Oncology Division, Robert H. Lurie Comprehensive Cancer Center
| | - Jie Fan
- Department of Medicine, Hematology/Oncology Division, Robert H. Lurie Comprehensive Cancer Center
| | - Ping Xie
- Department of Medicine, Hematology/Oncology Division, Robert H. Lurie Comprehensive Cancer Center
| | - Jihae Ahn
- Department of Medicine, Hematology/Oncology Division, Robert H. Lurie Comprehensive Cancer Center
| | - Michelle Fernandez
- Department of Medicine, Hematology/Oncology Division, Robert H. Lurie Comprehensive Cancer Center
| | | | | | | | | | - Deyu Fang
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Jeffrey A. Sosman
- Department of Medicine, Hematology/Oncology Division, Robert H. Lurie Comprehensive Cancer Center
| | - Yong Wan
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Yi Zhang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Navdeep S. Chandel
- Department of Medicine; Pulmonary and Critical Care Division, and
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Bin Zhang
- Department of Medicine, Hematology/Oncology Division, Robert H. Lurie Comprehensive Cancer Center
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3
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Li B, Li ZB, Wang JP, Zhao L, Wang ZH, Wu JD, Liu B. [Comparison among different flushing media for intracoronary imaging with optical coherence tomography]. Zhonghua Xin Xue Guan Bing Za Zhi 2024; 52:144-149. [PMID: 38326065 DOI: 10.3760/cma.j.cn112148-20231030-00396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Objective: To explore the effects and safety of saline mixed 1∶1 with contrast medium (mixed medium) and pure heparinized saline as alternative media for optimal Optical Coherence Tomography (OCT) guided percutaneous coronary intervention (PCI). Methods: This single-center, prospective cohort study enrolled patients who underwent PCI with OCT guidance for chronic stable angina or acute coronary syndrome at the Department of Cardiology, the Second Hospital of Jilin University from October 2021 to August 2022. The target vessels were examined using OCT with three different flushing media at the same anatomical positions: contrast agent, mixed medium, and pure heparinized saline. An independent observer analyzed all imaging results and evaluated the lumen imaging quality, using the proportion of the clear imaging field (CIF%) as a quantitative measure for analysis. The average luminal diameter was compared among different flushing media. The study also assessed the image quality of the luminal anatomical structures, lesion pathologies, and stents. Results: A total of 105 patients were enrolled in the study, including 110 target vessels. The age of the enrolled patients was (60.5±8.4) years, with 60 male patients (57.1%). OCT examinations were successfully completed using all three media, and no related complications were observed in any groups. The three flushing media presented with the same image quality in terms of depicting the lumen anatomical structures, lesion characteristics, and stent-related features. The mixed medium group achieved a comparable CIF% to the contrast group with both right and left coronary arteries (right coronary 100.0% (100.0%, 100.0%) vs. 100.0% (100.0%, 100.0%), P>0.05; left coronary 100.0% (95.9%, 100.0%) vs. 100.0% (100.0%, 100.0%), P>0.05). While the saline group reached a comparable CIF% to the contrast group with right coronary arteries (100.0% (97.6%, 100.0%) vs. 100.0% (95.9%, 100.0%), P>0.05) but showed a significantly lower CIF% with left coronary arteries (84.9% (75.9%, 93.4%) vs. 100.0% (100.0%, 100.0%), P<0.05). For the average diameter of the coronary lumen, there was no statistically significant difference between the mixed medium group and the saline group compared to the contrast group with both right and left coronary arteries (P>0.05). Conclusions: A 1∶1 heparinized saline and contrast mixture can serve as a substitute flushing medium for OCT examination during PCI procedure. Pure saline can also yield good results in OCT examination of the right coronary artery, and both alternatives are safe for use as flushing medium in OCT imaging.
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Affiliation(s)
- B Li
- Department of Cardiology, the Second Hospital of Jilin University, Changchun 130000, China
| | - Z B Li
- Department of Cardiology, the Second Hospital of Jilin University, Changchun 130000, China
| | - J P Wang
- Department of Cardiology, the Second Hospital of Jilin University, Changchun 130000, China
| | - L Zhao
- Department of Cardiology, the Second Hospital of Jilin University, Changchun 130000, China
| | - Z H Wang
- Department of Cardiology, the Second Hospital of Jilin University, Changchun 130000, China
| | - J D Wu
- Department of Cardiology, the Second Hospital of Jilin University, Changchun 130000, China
| | - B Liu
- Department of Cardiology, the Second Hospital of Jilin University, Changchun 130000, China
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4
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Serritella AV, Saenz-Lopez Larrocha P, Dhar P, Liu S, Medd MM, Jia S, Cao Q, Wu JD. The Human Soluble NKG2D Ligand Differentially Impacts Tumorigenicity and Progression in Temporal and Model-Dependent Modes. Biomedicines 2024; 12:196. [PMID: 38255301 PMCID: PMC10812945 DOI: 10.3390/biomedicines12010196] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/25/2023] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
NKG2D is an activating receptor expressed by all human NK cells and CD8 T cells. Harnessing the NKG2D/NKG2D ligand axis has emerged as a viable avenue for cancer immunotherapy. However, there is a long-standing controversy over whether soluble NKG2D ligands are immunosuppressive or immunostimulatory, originating from conflicting data generated from different scopes of pre-clinical investigations. Using multiple pre-clinical tumor models, we demonstrated that the impact of the most characterized human solid tumor-associated soluble NKG2D ligand, the soluble MHC I chain-related molecule (sMIC), on tumorigenesis depended on the tumor model being studied and whether the tumor cells possessed stemness-like properties. We demonstrated that the potential of tumor formation or establishment depended upon tumor cell stem-like properties irrespective of tumor cells secreting the soluble NKG2D ligand sMIC. Specifically, tumor formation was delayed or failed if sMIC-expressing tumor cells expressed low stem-cell markers; tumor formation was rapid if sMIC-expressing tumor cells expressed high stem-like cell markers. However, once tumors were formed, overexpression of sMIC unequivocally suppressed tumoral NK and CD8 T cell immunity and facilitated tumor growth. Our study distinguished the differential impacts of soluble NKG2D ligands in tumor formation and tumor progression, cleared the outstanding controversy over soluble NKG2D ligands in modulating tumor immunity, and re-enforced the viability of targeting soluble NKG2D ligands for cancer immunotherapy for established tumors.
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Affiliation(s)
- Anthony V. Serritella
- Department of Hematology/Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA;
| | - Pablo Saenz-Lopez Larrocha
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (P.S.-L.L.); (P.D.); (S.L.); (M.M.M.); (S.J.); (Q.C.)
| | - Payal Dhar
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (P.S.-L.L.); (P.D.); (S.L.); (M.M.M.); (S.J.); (Q.C.)
| | - Sizhe Liu
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (P.S.-L.L.); (P.D.); (S.L.); (M.M.M.); (S.J.); (Q.C.)
| | - Milan M. Medd
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (P.S.-L.L.); (P.D.); (S.L.); (M.M.M.); (S.J.); (Q.C.)
| | - Shengxian Jia
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (P.S.-L.L.); (P.D.); (S.L.); (M.M.M.); (S.J.); (Q.C.)
| | - Qi Cao
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (P.S.-L.L.); (P.D.); (S.L.); (M.M.M.); (S.J.); (Q.C.)
| | - Jennifer D. Wu
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (P.S.-L.L.); (P.D.); (S.L.); (M.M.M.); (S.J.); (Q.C.)
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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5
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Bollu L, Bommi PV, Monsen PJ, Zhai L, Lauing KL, Bell A, Kim M, Ladomersky E, Yang X, Platanias LC, Matei DE, Bonini MG, Munshi HG, Hashizume R, Wu JD, Zhang B, James CD, Chen P, Kocherginsky M, Horbinski C, Cameron MD, Grigorescu AA, Yamini B, Lukas RV, Schiltz GE, Wainwright DA. Identification and Characterization of a Novel Indoleamine 2,3-Dioxygenase 1 Protein Degrader for Glioblastoma. J Med Chem 2022; 65:15642-15662. [PMID: 36410047 PMCID: PMC9743093 DOI: 10.1021/acs.jmedchem.2c00771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Indexed: 11/22/2022]
Abstract
Indoleamine 2,3-dioxygenase 1 (IDO1) is a potent immunosuppressive enzyme that inhibits the antitumor immune response through both tryptophan metabolism and non-enzymatic functions. To date, most IDO1-targeted approaches have focused on inhibiting tryptophan metabolism. However, this class of drugs has failed to improve the overall survival of patients with cancer. Here, we developed and characterized proteolysis targeting chimeras (PROTACs) that degrade the IDO1 protein. IDO1-PROTACs were tested for their effects on IDO1 enzyme and non-enzyme activities. After screening a library of IDO1-PROTAC derivatives, a compound was identified that potently degraded the IDO1 protein through cereblon-mediated proteasomal degradation. The IDO1-PROTAC: (i) inhibited IDO1 enzyme activity and IDO1-mediated NF-κB phosphorylation in cultured human glioblastoma (GBM) cells, (ii) degraded the IDO1 protein within intracranial brain tumors in vivo, and (iii) mediated a survival benefit in mice with well-established brain tumors. This study identified and characterized a new IDO1 protein degrader with therapeutic potential for patients with glioblastoma.
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Affiliation(s)
- Lakshmi
R. Bollu
- Department
of Neurological Surgery, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Prashant V. Bommi
- Department
of Neurological Surgery, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Paige J. Monsen
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Lijie Zhai
- Department
of Neurological Surgery, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Kristen L. Lauing
- Department
of Neurological Surgery, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - April Bell
- Department
of Neurological Surgery, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Miri Kim
- Department
of Neurological Surgery, Loyola University
Medical Center, Maywood, Illinois 60153, United
States
| | - Erik Ladomersky
- Department
of Neurological Surgery, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Xinyu Yang
- WuXi
AppTec, Shanghai 200131, People’s Republic of China
| | - Leonidas C. Platanias
- Department
of Medicine—Division of Hematology and Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, United States
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
| | - Daniela E. Matei
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
- Department
of Obstetrics and Gynecology, Northwestern
University Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Marcelo G. Bonini
- Department
of Medicine—Division of Hematology and Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, United States
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
| | - Hidayatullah G. Munshi
- Department
of Medicine—Division of Hematology and Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, United States
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
| | - Rintaro Hashizume
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
- Department
of Pediatrics − Division of Hematology, Oncology, and Stem
Cell Transplantation, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Jennifer D. Wu
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
- Department
of Urology, Northwestern University Feinberg
School of Medicine, Chicago, Illinois 60611, United States
- Department
of Microbiology-Immunology, Northwestern
University Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Bin Zhang
- Department
of Medicine—Division of Hematology and Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, United States
- Department
of Microbiology-Immunology, Northwestern
University Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Charles David James
- Department
of Neurological Surgery, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Peiwen Chen
- Department
of Neurological Surgery, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Masha Kocherginsky
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
- Department
of Obstetrics and Gynecology, Northwestern
University Feinberg School of Medicine, Chicago, Illinois 60611, United States
- Department of Preventive Medicine, Northwestern
University Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Craig Horbinski
- Department
of Neurological Surgery, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
- Department of Pathology, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Michael D. Cameron
- Department of Molecular Therapeutics, The
Scripps Research Institute, Scripps Florida, Jupiter, Florida 33458, United States
| | - Arabela A. Grigorescu
- Department of Molecular Biosciences, Northwestern
University Weinberg College of Arts and Sciences, Evanston, Illinois 60208, United States
| | - Bakhtiar Yamini
- Department of Neurological Surgery, Division of the Biological Sciences, The University of Chicago, Chicago, Illinois 60637, United States
| | - Rimas V. Lukas
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
- Department
of Neurology, Northwestern University Feinberg
School of Medicine, Chicago, Illinois 60611, United States
| | - Gary E. Schiltz
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
- Department of Pharmacology, Northwestern
University Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Derek A. Wainwright
- Department
of Neurological Surgery, Northwestern University
Feinberg School of Medicine, Chicago, Illinois 60611, United States
- Department
of Medicine—Division of Hematology and Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, United States
- Robert
H.
Lurie Comprehensive Cancer Center, Chicago, Illinois 60611, United States
- Department
of Microbiology-Immunology, Northwestern
University Feinberg School of Medicine, Chicago, Illinois 60611, United States
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6
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Zhai L, Bell A, Ladomersky E, Lauing KL, Bollu L, Nguyen B, Genet M, Kim M, Chen P, Mi X, Wu JD, Schipma MJ, Wray B, Griffiths J, Unwin RD, Clark SJ, Acharya R, Bao R, Horbinski C, Lukas RV, Schiltz GE, Wainwright DA. Tumor Cell IDO Enhances Immune Suppression and Decreases Survival Independent of Tryptophan Metabolism in Glioblastoma. Clin Cancer Res 2021; 27:6514-6528. [PMID: 34479957 PMCID: PMC8639612 DOI: 10.1158/1078-0432.ccr-21-1392] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 08/06/2021] [Accepted: 08/31/2021] [Indexed: 01/09/2023]
Abstract
PURPOSE Glioblastoma (GBM) is an incurable primary brain tumor that has not benefited from immunotherapy to date. More than 90% of GBM expresses the tryptophan (Trp) metabolic enzyme, indoleamine 2,3-dioxygenase 1 (IDO). This observation supported the historical hypothesis that IDO suppresses the antitumor immune response solely through a mechanism that requires intratumoral Trp depletion. However, recent findings led us to investigate the alternative hypothesis that IDO suppresses the anti-GBM immune response independent of its association with Trp metabolism. EXPERIMENTAL DESIGN IDO-deficient GBM cell lines reconstituted with IDO wild-type or IDO enzyme-null cDNA were created and validated in vitro and in vivo. Microarray analysis was conducted to search for genes that IDO regulates, followed by the analysis of human GBM cell lines, patient GBM and plasma, and The Cancer Genome Atlas (TCGA) database. Ex vivo cell coculture assays, syngeneic and humanized mouse GBM models, were used to test the alternative hypothesis. RESULTS Nonenzymic tumor cell IDO activity decreased the survival of experimental animals and increased the expression of complement factor H (CFH) and its isoform, factor H like protein 1 (FHL-1) in human GBM. Tumor cell IDO increased CFH and FHL-1 expression independent of Trp metabolism. Increased intratumoral CFH and FHL-1 levels were associated with poorer survival among patients with glioma. Similar to IDO effects, GBM cell FHL-1 expression increased intratumoral regulatory T cells (Treg) and myeloid-derived suppressor cells while it decreased overall survival in mice with GBM. CONCLUSIONS Our study reveals a nonmetabolic IDO-mediated enhancement of CFH expression and provides a new therapeutic target for patients with GBM.
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Affiliation(s)
- Lijie Zhai
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - April Bell
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Erik Ladomersky
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Kristen L Lauing
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Lakshmi Bollu
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Brenda Nguyen
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Matthew Genet
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Miri Kim
- Department of Neurological Surgery, Loyola University Medical Center, Loyola University Chicago, Maywood, Illinois
| | - Peiwen Chen
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Xinlei Mi
- Department of Preventive Medicine at Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Jennifer D Wu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Department of Microbiology-Immunology at Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Matthew J Schipma
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Brian Wray
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - John Griffiths
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Richard D Unwin
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Simon J Clark
- University Eye Clinic, Institute for Ophthalmic Research, Eberhard Karls University of Tübingen, Tübingen, Baden-Württemberg, Germany
- Institute for Ophthalmic Research, Eberhard Karls University of Tübingen, Tübingen, Germany
- Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Rajesh Acharya
- University of Pittsburgh Hillman Cancer Center, Pittsburgh, Pennsylvania
| | - Riyue Bao
- University of Pittsburgh Hillman Cancer Center, Pittsburgh, Pennsylvania
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Craig Horbinski
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Rimas V Lukas
- The Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Gary E Schiltz
- Department of Chemistry, Weinberg College of Arts and Sciences, Northwestern University, Evanston, Illinois
- Department of Pharmacology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Derek A Wainwright
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
- Department of Microbiology-Immunology at Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Division of Hematology and Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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7
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Blaschke CRK, Hartig JP, Grimsley G, Liu L, Semmes OJ, Wu JD, Ippolito JE, Hughes-Halbert C, Nyalwidhe JO, Drake RR. Direct N-Glycosylation Profiling of Urine and Prostatic Fluid Glycoproteins and Extracellular Vesicles. Front Chem 2021; 9:734280. [PMID: 34646811 PMCID: PMC8503230 DOI: 10.3389/fchem.2021.734280] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [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: 06/30/2021] [Accepted: 09/10/2021] [Indexed: 12/19/2022] Open
Abstract
Expressed prostatic secretions (EPS), also called post digital rectal exam urines, are proximal fluids of the prostate that are widely used for diagnostic and prognostic assays for prostate cancer. These fluids contain an abundant number of glycoproteins and extracellular vesicles secreted by the prostate gland, and the ability to detect changes in their N-glycans composition as a reflection of disease state represents potential new biomarker candidates. Methods to characterize these N-glycan constituents directly from clinical samples in a timely manner and with minimal sample processing requirements are not currently available. In this report, an approach is described to directly profile the N-glycan constituents of EPS urine samples, prostatic fluids and urine using imaging mass spectrometry for detection. An amine reactive slide is used to immobilize glycoproteins from a few microliters of spotted samples, followed by peptide N-glycosidase digestion. Over 100 N-glycan compositions can be detected with this method, and it works with urine, urine EPS, prostatic fluids, and urine EPS-derived extracellular vesicles. A comparison of the N-glycans detected from the fluids with tissue N-glycans from prostate cancer tissues was done, indicating a subset of N-glycans present in fluids derived from the gland lumens. The developed N-glycan profiling is amenable to analysis of larger clinical cohorts and adaptable to other biofluids.
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Affiliation(s)
- Calvin R K Blaschke
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, SC, United States
| | - Jordan P Hartig
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, SC, United States
| | - Grace Grimsley
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, SC, United States
| | - Liping Liu
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, SC, United States
| | - O John Semmes
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, United States.,The Leroy T. Canoles Jr., Cancer Research Center, Eastern Virginia Medical School, Norfolk, VA, United States
| | - Jennifer D Wu
- Departments of Urology and Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Joseph E Ippolito
- Department of Radiology, Washington University School of Medicine, St. Louis, MO, United States
| | - Chanita Hughes-Halbert
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States.,Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
| | - Julius O Nyalwidhe
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, United States.,The Leroy T. Canoles Jr., Cancer Research Center, Eastern Virginia Medical School, Norfolk, VA, United States
| | - Richard R Drake
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, SC, United States.,Department of Radiology, Washington University School of Medicine, St. Louis, MO, United States
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8
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Liu S, Ma JY, Zhou J, Wu JD, Li JH, Alugongo GM, Xiao JX, Wang JJ, Wang YJ, Wang W, Li SL, Cao ZJ. Tributyrin supplementation in pasteurized waste milk: Effects on growth performance, health, and blood parameters of dairy calves. J Dairy Sci 2021; 104:12496-12507. [PMID: 34593232 DOI: 10.3168/jds.2021-20645] [Citation(s) in RCA: 12] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 08/13/2021] [Indexed: 01/01/2023]
Abstract
This study evaluated the effects of incremental tributyrin supplementation in pasteurized waste milk on growth performance, health, and blood metabolism of dairy calves before and after weaning. Forty-eight newborn female Holstein dairy calves (39.6 ± 2.75 kg; mean ± standard deviation) were blocked by age and randomly assigned to 3 treatments: pasteurized waste milk (1) without supplementation, (2) with 1 g/L of tributyrin products (unprotected solid powder; containing 35% tributyrin), or (3) with 2 g/L of tributyrin products. The calves were weaned on d 56 and were raised until d 77. Data were analyzed for the preweaning, postweaning, and overall periods. The results showed that starter intake and hay intake were not different among treatments in any period of the trial, but the crude protein intake tended to increase linearly with tributyrin supplementation during the overall period. Although tributyrin supplementation had no effects on body weight during preweaning and overall periods, body weight increased linearly with tributyrin supplementation postweaning. The average daily gain tended to increase linearly during postweaning and overall periods. No effects were observed on feed efficiency in any period. A positive linear relationship between body length and tributyrin supplementation was observed during the postweaning period, but no differences were found for the other body structural measurements in any period. The results of diarrhea showed that tributyrin concentration had a negative linear relationship with diarrhea frequency during preweaning and overall periods. The rectal temperature did not differ among treatments in any period, but a treatment × week effect for rectal body temperature was observed. For blood metabolism, tributyrin supplementation had no effects on insulin, growth hormone, total protein, albumin, or globulin. No differences were found in serum amyloid A concentration in any of the periods, yet haptoglobin concentration decreased linearly with increasing tributyrin concentration during postweaning and overall periods. Endothelin concentration showed a tendency to decrease linearly during preweaning and postweaning periods and decreased linearly with tributyrin supplementation during the overall period. An increasing tributyrin concentration was associated with a negative linear relationship with IL-1β concentration during the preweaning period, and no differences were found in the other periods. The concentration of IL-6 and tumor necrosis factor α were not different among treatments in any of the periods. These data suggest that increasing the concentration of tributyrin in pasteurized waste milk could increase growth performance and health of dairy calves, and incremental tributyrin supplementation could linearly reduce haptoglobin, endothelin, and IL-1β concentrations, indicating a positive effect of tributyrin on alleviating oxidative stress and inflammatory status of dairy calves. Calves fed pasteurized waste milk supplemented with tributyrin products (containing 35% tributyrin) at 2 g/L compared with 1 g/L of milk had more improved growth and health.
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Affiliation(s)
- S Liu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China
| | - J Y Ma
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China
| | - J Zhou
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China
| | - J D Wu
- Institute of Husbandry and Veterinary, Guizhou Provincial Academy of Agricultural Sciences, Guizhou 550005, P. R. China
| | - J H Li
- Department of Animal Science, University of California, Davis 95616
| | - G M Alugongo
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China
| | - J X Xiao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China
| | - J J Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China
| | - Y J Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China
| | - W Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China
| | - S L Li
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China
| | - Z J Cao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China.
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9
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Wallace K, El Nahas GJ, Bookhout C, Thaxton JE, Lewin DN, Nikolaishvili-Feinberg N, Cohen SM, Brazeal JG, Hill EG, Wu JD, Baron JA, Alekseyenko AV. Immune Responses Vary in Preinvasive Colorectal Lesions by Tumor Location and Histology. Cancer Prev Res (Phila) 2021; 14:885-892. [PMID: 34341013 PMCID: PMC8811707 DOI: 10.1158/1940-6207.capr-20-0592] [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: 11/13/2020] [Revised: 03/30/2021] [Accepted: 05/12/2021] [Indexed: 11/16/2022]
Abstract
Immune responses vary in colorectal cancers, which strongly influence prognosis. However, little is known about the variance in immune response within preinvasive lesions. The study aims to investigate how the immune contexture differs by clinicopathologic features (location, histology, dysplasia) associated with progression and recurrence in early carcinogenesis. We performed a cross-sectional study using preinvasive lesions from the surgical pathology laboratory at the Medical University of South Carolina. We stained the tissues with immunofluorescence antibodies, then scanned and analyzed expression using automated image analysis software. We stained CD117 as a marker of mast cells, CD4/RORC to indicate Th17 cells, MICA/B as a marker of NK-cell ligands, and also used antibodies directed against cytokines IL6, IL17A, and IFNγ. We used negative binomial regression analysis to compare analyte density counts by location, histology, degree of dysplasia adjusted for age, sex, race, and batch. All immune markers studied (except IL17a) had significantly higher density counts in the proximal colon than distal colon and rectum. Increases in villous histology were associated with significant decreases in immune responses for IL6, IL17a, NK ligand, and mast cells. No differences were observed in lesions with low- and high-grade dysplasia, except in mast cells. The lesions of the proximal colon were rich in immune infiltrate, paralleling the responses observed in normal mucosa and invasive disease. The diminishing immune response with increasing villous histology suggests an immunologically suppressive tumor environment. Our findings highlight the heterogeneity of the immune responses in preinvasive lesions, which may have implications for prevention strategies. PREVENTION RELEVANCE: Our study is focused on immune infiltrate expression in preinvasive colorectal lesions; our results suggest important differences by clinicopathologic features that have implications for immune prevention research.
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Affiliation(s)
- Kristin Wallace
- Hollings Cancer Center, Medical University of South Carolina (MUSC), Charleston, South Carolina.
- Department of Public Health Sciences, MUSC, Charleston, South Carolina
| | - Georges J El Nahas
- Hollings Cancer Center, Medical University of South Carolina (MUSC), Charleston, South Carolina
- Department of Psychiatry and Behavioral Sciences, MUSC, Charleston, South Carolina
| | - Christine Bookhout
- Department of Pathology, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - Jessica E Thaxton
- Hollings Cancer Center, Medical University of South Carolina (MUSC), Charleston, South Carolina
- Department of Microbiology and Immunology, MUSC, Charleston, South Carolina
- Department of Orthopedics and Physical Medicine, MUSC, Charleston, South Carolina
| | - David N Lewin
- Department of Pathology and Laboratory Medicine, MUSC, Charleston, South Carolina
| | | | - Stephanie M Cohen
- Lineberger Cancer Center, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - J Grant Brazeal
- Department of Public Health Sciences, MUSC, Charleston, South Carolina
| | - Elizabeth G Hill
- Hollings Cancer Center, Medical University of South Carolina (MUSC), Charleston, South Carolina
- Department of Public Health Sciences, MUSC, Charleston, South Carolina
| | - Jennifer D Wu
- Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - John A Baron
- Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - Alexander V Alekseyenko
- Hollings Cancer Center, Medical University of South Carolina (MUSC), Charleston, South Carolina
- Department of Public Health Sciences, MUSC, Charleston, South Carolina
- Department of Oral Health Sciences, The Biomedical Informatics Center, MUSC, Charleston, South Carolina
- Department of Healthcare Leadership and Management, MUSC, Charleston, South Carolina
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10
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Dhar P, Basher F, Ji Z, Huang L, Qin S, Wainwright DA, Robinson J, Hagler S, Zhou J, MacKay S, Wu JD. Tumor-derived NKG2D ligand sMIC reprograms NK cells to an inflammatory phenotype through CBM signalosome activation. Commun Biol 2021; 4:905. [PMID: 34294876 PMCID: PMC8298432 DOI: 10.1038/s42003-021-02440-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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: 12/19/2020] [Accepted: 07/05/2021] [Indexed: 12/31/2022] Open
Abstract
Natural Killer (NK) cell dysfunction is associated with poorer clinical outcome in cancer patients. What regulates NK cell dysfunction in tumor microenvironment is not well understood. Here, we demonstrate that the human tumor-derived NKG2D ligand soluble MIC (sMIC) reprograms NK cell to secrete pro-tumorigenic cytokines with diminished cytotoxicity and polyfunctional potential. Antibody clearing sMIC restores NK cell to a normal cytotoxic effector functional state. We discovered that sMIC selectively activates the CBM-signalosome inflammatory pathways in NK cells. Conversely, tumor cell membrane-bound MIC (mMIC) stimulates NK cell cytotoxicity through activating PLC2γ2/SLP-76/Vav1 pathway. Ultimately, antibody targeting sMIC effectuated the in vivo anti-tumor effect of adoptively transferred NK cells. Our findings uncover an unrecognized mechanism that could instruct NK cell to a dysfunctional state in response to cues in the tumor microenvironment. Our findings provide a rationale for co-targeting sMIC to enhance the efficacy of the ongoing NK cell-based cancer immunotherapy.
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Affiliation(s)
- Payal Dhar
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Fahmin Basher
- Division of General Internal Medicine, Department of Medicine, University of Miami, Miami, FL, USA
| | - Zhe Ji
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Lei Huang
- Center for Research Informatics, The University of Chicago, Chicago, IL, USA
| | - Si Qin
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Derek A Wainwright
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | | | | | - Jing Zhou
- Isoplexis Corporation, Branford, CT, USA
| | | | - Jennifer D Wu
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
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11
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Bui TM, Butin-Israeli V, Wiesolek HL, Zhou M, Rehring JF, Wiesmüller L, Wu JD, Yang GY, Hanauer SB, Sebag JA, Sumagin R. Neutrophils Alter DNA Repair Landscape to Impact Survival and Shape Distinct Therapeutic Phenotypes of Colorectal Cancer. Gastroenterology 2021; 161:225-238.e15. [PMID: 33753103 DOI: 10.1053/j.gastro.2021.03.027] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 03/03/2021] [Accepted: 03/11/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND & AIMS Tumor-infiltrating neutrophils (polymorphonuclear neutrophils [PMNs]) are a prominent feature of colorectal cancer (CRC), where they can promote cytotoxicity or exacerbate disease outcomes. We recently showed that in acute colon injury, PMNs can increase DNA double-strand break (DSB) burden and promote genomic instability via microRNA-dependent inhibition of homologous recombination (HR) repair. In this study, we aimed to establish whether in inflamed colon, neutrophils shape the DSB-repair responses to impact CRC progression and sensitivity/resistance to DNA-repair targeted therapy. METHODS Human sporadic CRC biopsies, The Cancer Genome Atlas gene expression analyses, tumor xenografts, and murine CRC models, as well as small-molecule inhibition of key DSB-repair factors were leveraged to investigate changes in the DSB-repair landscape and identify unique CRC responses with/without tumor infiltration by PMNs. RESULTS We reveal that neutrophils exert a functional dualism in cancer cells, driving temporal modulation of the DNA damage landscape and resolution of DSBs. PMNs were found to promote HR deficiency in low-grade CRC by miR-155-dependent downregulation of RAD51, thus attenuating tumor growth. However, neutrophil-mediated genotoxicity due to accumulation of DSBs led to the induction of non-homologous end-joining (NHEJ), allowing for survival and growth of advanced CRC. Our findings identified a PMN-induced HR-deficient CRC phenotype, featuring low RAD51 and low Ku70 levels, rendering it susceptible to synthetic lethality induced by clinically approved PARP1 inhibitor Olaparib. We further identified a distinct PMN-induced HR-deficient CRC phenotype, featuring high Ku70 and heightened NHEJ, which can be therapeutically targeted by specific inhibition of NHEJ. CONCLUSIONS Our work delineates 2 mechanism-based translatable therapeutic interventions in sporadic CRC.
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Affiliation(s)
- Triet M Bui
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Veronika Butin-Israeli
- Department of Urology and Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Hannah L Wiesolek
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Meredith Zhou
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Jake F Rehring
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Lisa Wiesmüller
- Department of Obstetrics and Gynecology, Ulm University, Germany
| | - Jennifer D Wu
- Department of Urology and Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Guang-Yu Yang
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Stephen B Hanauer
- Department of Medicine, Gastroenterology and Hepatology Northwestern Memorial Hospital, Chicago, Illinois
| | - Julien A Sebag
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
| | - Ronen Sumagin
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
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12
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Wallace K, Nahhas GJ, Bookhout C, Lewin DN, Paulos CM, Nikolaishvili-Feinberg N, Cohen SM, Guglietta S, Bakhtiari A, Camp ER, Hill EG, Baron JA, Wu JD, Alekseyenko AV. Preinvasive Colorectal Lesions of African Americans Display an Immunosuppressive Signature Compared to Caucasian Americans. Front Oncol 2021; 11:659036. [PMID: 33987094 PMCID: PMC8112239 DOI: 10.3389/fonc.2021.659036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 01/26/2021] [Accepted: 03/29/2021] [Indexed: 12/31/2022] Open
Abstract
Background African Americans (AAs) have higher colorectal cancer (CRC) incidence and mortality rate than Caucasian Americans (CAs). Recent studies suggest that immune responses within CRCs contribute to the disparities. If racially distinct immune signatures are present in the early phases of carcinogenesis, they could be used to develop interventions to prevent or slow disease. Methods We selected a convenience sample of 95 patients (48 CAs, 47 AAs) with preinvasive colorectal adenomas from the surgical pathology laboratory at the Medical University of South Carolina. Using immunofluorescent-conjugated antibodies on tissue slides from the lesions, we quantified specific immune cell populations: mast cells (CD117+), Th17 cells (CD4+RORC+), and NK cell ligand (MICA/B) and inflammatory cytokines, including IL-6, IL-17A, and IFN-γ. We compared the mean density counts (MDCs) and density rate ratios (RR) and 95% CI of immune markers between AAs to CAs using negative binomial regression analysis. We adjusted our models for age, sex, clinicopathologic characteristics (histology, location, dysplasia), and batch. Results We observed no racial differences in age or sex at the baseline endoscopic exam. AAs compared to CAs had a higher prevalence of proximal adenomas (66% vs. 40%) and a lower prevalence of rectal adenomas (11% vs. 23%) (p =0.04) but no other differences in pathologic characteristics. In age, sex, and batch adjusted models, AAs vs. CAs had lower RRs for cells labeled with IFNγ (RR 0.50 (95% CI 0.32-0.81); p=0.004) and NK cell ligand (RR 0.67 (0.43-1.04); p=0.07). In models adjusted for age, sex, and clinicopathologic variables, AAs had reduced RRs relative to CAs for CD4 (p=0.02), NK cell ligands (p=0.01), Th17 (p=0.005), mast cells (p=0.04) and IFN-γ (p< 0.0001). Conclusions Overall, the lower RRs in AAs vs. CAs suggests reduced effector response capacity and an immunosuppressive (‘cold’) tumor environment. Our results also highlight the importance of colonic location of adenoma in influencing these differences; the reduced immune responses in AAs relative to CAs may indicate impaired immune surveillance in early carcinogenesis. Future studies are needed to understand the role of risk factors (such as obesity) in influencing differences in immune responses by race.
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Affiliation(s)
- Kristin Wallace
- Hollings Cancer Center, Medical University of South Carolina (MUSC), Charleston, SC, United States.,Department of Public Health Sciences, MUSC, Charleston, SC, United States
| | - Georges J Nahhas
- Department of Public Health Sciences, MUSC, Charleston, SC, United States.,Department of Psychiatry and Behavioral Sciences, MUSC, Charleston, SC, United States
| | - Christine Bookhout
- Department of Pathology, University of North Carolina School of Medicine, Chapel Hill, NC, United States
| | - David N Lewin
- Department of Pathology and Laboratory Medicine, MUSC, Charleston, SC, United States
| | - Chrystal M Paulos
- Hollings Cancer Center, Medical University of South Carolina (MUSC), Charleston, SC, United States.,Department of Microbiology/Immunology, Emory University School of Medicine, Atlanta, GA, United States.,Department of Surgery, Emory University School of Medicine, Atlanta, GA, United States
| | | | - Stephanie M Cohen
- Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC, United States
| | - Silvia Guglietta
- Hollings Cancer Center, Medical University of South Carolina (MUSC), Charleston, SC, United States
| | - Ali Bakhtiari
- Department of Public Health Sciences, MUSC, Charleston, SC, United States
| | - E Ramsay Camp
- Hollings Cancer Center, Medical University of South Carolina (MUSC), Charleston, SC, United States
| | - Elizabeth G Hill
- Hollings Cancer Center, Medical University of South Carolina (MUSC), Charleston, SC, United States.,Department of Public Health Sciences, MUSC, Charleston, SC, United States
| | - John A Baron
- Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC, United States
| | - Jennifer D Wu
- Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Alexander V Alekseyenko
- Department of Public Health Sciences, MUSC, Charleston, SC, United States.,Bioinformatics Center, MUSC, Charleston, SC, United States.,Department of Oral Health Sciences, MUSC, Charleston, SC, United States.,Department of Healthcare Leadership and Management, MUSC, Charleston, SC, United States
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13
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Weiner AB, Vidotto T, Liu Y, Mendes AA, Salles DC, Faisal FA, Murali S, McFarlane M, Imada EL, Zhao X, Li Z, Davicioni E, Marchionni L, Chinnaiyan AM, Freedland SJ, Spratt DE, Wu JD, Lotan TL, Schaeffer EM. Plasma cells are enriched in localized prostate cancer in Black men and are associated with improved outcomes. Nat Commun 2021; 12:935. [PMID: 33568675 PMCID: PMC7876147 DOI: 10.1038/s41467-021-21245-w] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [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: 04/20/2020] [Accepted: 01/10/2021] [Indexed: 01/30/2023] Open
Abstract
Black men die more often of prostate cancer yet, interestingly, may derive greater survival benefits from immune-based treatment with sipuleucel-T. Since no signatures of immune-responsiveness exist for prostate cancer, we explored race-based immune-profiles to identify vulnerabilities. Here we show in multiple independent cohorts comprised of over 1,300 patient samples annotated with either self-identified race or genetic ancestry, prostate tumors from Black men or men of African ancestry have increases in plasma cell infiltrate and augmented markers of NK cell activity and IgG expression. These findings are associated with improved recurrence-free survival following surgery and nominate plasma cells as drivers of prostate cancer immune-responsiveness.
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Affiliation(s)
- Adam B Weiner
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Thiago Vidotto
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Yang Liu
- Decipher Biosciences, San Diego, CA, USA
| | - Adrianna A Mendes
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Daniela C Salles
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Farzana A Faisal
- Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Sanjana Murali
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Matthew McFarlane
- Department of Radiation Oncology, University of Michigan, Ann Arbor, MI, USA
| | - Eddie L Imada
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Xin Zhao
- Decipher Biosciences, San Diego, CA, USA
| | - Ziwen Li
- Decipher Biosciences, San Diego, CA, USA
| | | | - Luigi Marchionni
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | | | - Stephen J Freedland
- Division of Urology, Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Division of Urology, Durham Veterans Affairs Health Care System, Durham, NC, USA
| | - Daniel E Spratt
- Department of Radiation Oncology, University of Michigan, Ann Arbor, MI, USA
| | - Jennifer D Wu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Department of Microbiology and Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Tamara L Lotan
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Edward M Schaeffer
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
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14
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Meyers TJ, Weiner AB, Graff RE, Desai AS, Cooley LF, Catalona WJ, Hanauer SB, Wu JD, Schaeffer EM, Abdulkadir SA, Kundu SD, Witte JS. Association between inflammatory bowel disease and prostate cancer: A large-scale, prospective, population-based study. Int J Cancer 2020; 147:2735-2742. [PMID: 32399975 DOI: 10.1002/ijc.33048] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [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: 02/11/2020] [Revised: 04/14/2020] [Accepted: 04/28/2020] [Indexed: 12/24/2022]
Abstract
Inflammatory bowel disease (IBD) is an established risk factor for colorectal cancer. Recent reports suggesting IBD is also a risk factor for prostate cancer (PC) require further investigation. We studied 218 084 men in the population-based UK Biobank cohort, aged 40 to 69 at study entry between 2006 and 2010, with follow-up through mid-2015. We assessed the association between IBD and subsequent PC using multivariable Cox regression analyses, adjusting for age at assessment, ethnic group, UK region, smoking status, alcohol drinking frequency, body mass index, Townsend Deprivation Index, family history of PC and previous prostate-specific antigen testing. Mean age at study entry was 56 years, 94% of the men were white, and 1.1% (n = 2311) had a diagnosis of IBD. After a median follow-up of 78 months, men with IBD had an increased risk of PC (adjusted hazard ratio [aHR] = 1.31, 95% confidence interval [CI] = 1.03-1.67, P = .029). The association with PC was only among men with the ulcerative colitis (UC; aHR = 1.47, 95% CI = 1.11-1.95, P = .0070), and not Crohn's disease (aHR 1.06, 95% CI = 0.63-1.80, P = .82). Results are limited by lack of data on frequency of health care interactions. In a large-scale, prospective cohort study, we detected an association between IBD, and UC specifically, with incident PC diagnosis.
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Affiliation(s)
- Travis J Meyers
- Department of Epidemiology and Biostatistics, University of California San Francisco (UCSF), San Francisco, California, USA
| | - Adam B Weiner
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Rebecca E Graff
- Department of Epidemiology and Biostatistics, University of California San Francisco (UCSF), San Francisco, California, USA
| | - Anuj S Desai
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Lauren Folgosa Cooley
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - William J Catalona
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Stephen B Hanauer
- Department of Medicine, Division of Gastroenterology and Hepatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Jennifer D Wu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Edward M Schaeffer
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Sarki A Abdulkadir
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Shilajit D Kundu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - John S Witte
- Department of Epidemiology and Biostatistics, University of California San Francisco (UCSF), San Francisco, California, USA
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15
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Roh M, Wainwright DA, Wu JD, Wan Y, Zhang B. Targeting CD73 to augment cancer immunotherapy. Curr Opin Pharmacol 2020; 53:66-76. [PMID: 32777746 DOI: 10.1016/j.coph.2020.07.001] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/29/2020] [Accepted: 07/01/2020] [Indexed: 01/05/2023]
Abstract
CD73 (ecto-5'-nucleotidase) is a novel immunoinhibitory protein that plays a key role for tumor growth and metastasis. Its main function is to convert extracellular ATP to immunosuppressive adenosine in concert with CD39 in normal tissues to limit excessive immune response. However, tumors take advantage of the CD73-mediated adenosinergic mechanism to protect them from immune attack. In particular, inducible expression of CD73 along with other adenosinergic molecules on both cancer cells and host cells sustains immunosuppressive tumor microenvironment by affecting multiple aspects of the immune response. Owing to its multifaceted capacity to tumor promotion as an emerging immune checkpoint, CD73 is an ideal therapeutic target for cancer treatment especially in combination with conventional therapy and/or other immune checkpoint inhibitors. In this review, we will discuss the roles of CD73 on tumor and immune cells and will highlight the therapeutic value of CD73 for combination therapy.
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Affiliation(s)
- Meejeon Roh
- Robert H. Lurie Comprehensive Cancer Center, Department of Medicine-Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Derek A Wainwright
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Jennifer D Wu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Yong Wan
- Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Bin Zhang
- Robert H. Lurie Comprehensive Cancer Center, Department of Medicine-Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
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16
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Zhai L, Bell A, Ladomersky E, Lauing KL, Bollu L, Sosman JA, Zhang B, Wu JD, Miller SD, Meeks JJ, Lukas RV, Wyatt E, Doglio L, Schiltz GE, McCusker RH, Wainwright DA. Immunosuppressive IDO in Cancer: Mechanisms of Action, Animal Models, and Targeting Strategies. Front Immunol 2020; 11:1185. [PMID: 32612606 PMCID: PMC7308527 DOI: 10.3389/fimmu.2020.01185] [Citation(s) in RCA: 110] [Impact Index Per Article: 27.5] [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: 02/01/2020] [Accepted: 05/13/2020] [Indexed: 12/24/2022] Open
Abstract
Indoleamine 2, 3-dioxygenase 1 (IDO; IDO1; INDO) is a rate-limiting enzyme that metabolizes the essential amino acid, tryptophan, into downstream kynurenines. Canonically, the metabolic depletion of tryptophan and/or the accumulation of kynurenine is the mechanism that defines how immunosuppressive IDO inhibits immune cell effector functions and/or facilitates T cell death. Non-canonically, IDO also suppresses immunity through non-enzymic effects. Since IDO targeting compounds predominantly aim to inhibit metabolic activity as evidenced across the numerous clinical trials currently evaluating safety/efficacy in patients with cancer, in addition to the recent disappointment of IDO enzyme inhibitor therapy during the phase III ECHO-301 trial, the issue of IDO non-enzyme effects have come to the forefront of mechanistic and therapeutic consideration(s). Here, we review enzyme-dependent and -independent IDO-mediated immunosuppression as it primarily relates to glioblastoma (GBM); the most common and aggressive primary brain tumor in adults. Our group's recent discovery that IDO levels increase in the brain parenchyma during advanced age and regardless of whether GBM is present, highlights an immunosuppressive synergy between aging-increased IDO activity in cells of the central nervous system that reside outside of the brain tumor but collaborate with GBM cell IDO activity inside of the tumor. Because of their potential value for the in vivo study of IDO, we also review current transgenic animal modeling systems while highlighting three new constructs recently created by our group. This work converges on the central premise that maximal immunotherapeutic efficacy in subjects with advanced cancer requires both IDO enzyme- and non-enzyme-neutralization, which is not adequately addressed by available IDO-targeting pharmacologic approaches at this time.
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Affiliation(s)
- Lijie Zhai
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - April Bell
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Erik Ladomersky
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Kristen L. Lauing
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Lakshmi Bollu
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Jeffrey A. Sosman
- Division of Hematology and Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
| | - Bin Zhang
- Division of Hematology and Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Jennifer D. Wu
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Stephen D. Miller
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Joshua J. Meeks
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Rimas V. Lukas
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Division of Neuro-Oncology, Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Eugene Wyatt
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Transgenic and Targeted Mutagenesis Laboratory, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Lynn Doglio
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Transgenic and Targeted Mutagenesis Laboratory, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Gary E. Schiltz
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Center for Molecular Innovation and Drug Discovery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Robert H. McCusker
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Derek A. Wainwright
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Division of Hematology and Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL, United States
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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17
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Ladomersky E, Zhai L, Lauing KL, Bell A, Xu J, Kocherginsky M, Zhang B, Wu JD, Podojil JR, Platanias LC, Mochizuki AY, Prins RM, Kumthekar P, Raizer JJ, Dixit K, Lukas RV, Horbinski C, Wei M, Zhou C, Pawelec G, Campisi J, Grohmann U, Prendergast GC, Munn DH, Wainwright DA. Advanced Age Increases Immunosuppression in the Brain and Decreases Immunotherapeutic Efficacy in Subjects with Glioblastoma. Clin Cancer Res 2020; 26:5232-5245. [PMID: 32546647 DOI: 10.1158/1078-0432.ccr-19-3874] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 05/04/2020] [Accepted: 06/11/2020] [Indexed: 12/12/2022]
Abstract
PURPOSE Wild-type isocitrate dehydrogenase-expressing glioblastoma (GBM) is the most common and aggressive primary brain tumor with a median age at diagnosis of ≥65 years. It accounts for approximately 90% of all GBMs and has a median overall survival (OS) of <15 months. Although immune checkpoint blockade (ICB) therapy has achieved remarkable survival benefits in a variety of aggressive malignancies, similar success has yet to be achieved for GBM among phase III clinical trials to date. Our study aimed to understand the relationship between subject age and immunotherapeutic efficacy as it relates to survival from glioma. EXPERIMENTAL DESIGN (i) Clinical data: GBM patient datasets from The Cancer Genome Atlas, Northwestern Medicine Enterprise Data Warehouse, and clinical studies evaluating ICB were stratified by age and compared for OS. (ii) Animal models: young, middle-aged, and older adult wild-type and indoleamine 2,3 dioxygenase (IDO)-knockout syngeneic mice were intracranially engrafted with CT-2A or GL261 glioma cell lines and treated with or without CTLA-4/PD-L1 mAbs, or radiation, anti-PD-1 mAb, and/or a pharmacologic IDO enzyme inhibitor. RESULTS Advanced age was associated with decreased GBM patient survival regardless of treatment with ICB. The advanced age-associated increase of brain IDO expression was linked to the suppression of immunotherapeutic efficacy and was not reversed by IDO enzyme inhibitor treatment. CONCLUSIONS Immunosuppression increases in the brain during advanced age and inhibits antiglioma immunity in older adults. Going forward, it will be important to fully understand the factors and mechanisms in the elderly brain that contribute to the decreased survival of older patients with GBM during treatment with ICB.
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Affiliation(s)
- Erik Ladomersky
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Lijie Zhai
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Kristen L Lauing
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - April Bell
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Jiahui Xu
- Department of Preventive Medicine-Biostatistics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Masha Kocherginsky
- Department of Preventive Medicine-Biostatistics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Bin Zhang
- Department of Medicine-Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.,Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Jennifer D Wu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Joseph R Podojil
- Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Leonidas C Platanias
- Department of Medicine-Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.,Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Aaron Y Mochizuki
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, California
| | - Robert M Prins
- Department of Neurosurgery, David Geffen School of Medicine, University of California, Los Angeles, California
| | - Priya Kumthekar
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Jeffrey J Raizer
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Karan Dixit
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Rimas V Lukas
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Craig Horbinski
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois.,Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Min Wei
- BeiGene, Zhong-Guan-Cun Life Science Park, Changping District, Beijing, China
| | - Changyou Zhou
- BeiGene, Zhong-Guan-Cun Life Science Park, Changping District, Beijing, China
| | - Graham Pawelec
- Department of Immunology, University of Tübingen, Tübingen, Germany
| | - Judith Campisi
- Buck Institute for Research on Aging, Novato, California.,Lawrence Berkeley National Laboratory, Berkeley, California
| | - Ursula Grohmann
- Department of Experimental Medicine, University of Perugia, Perugia, Italy
| | | | | | - Derek A Wainwright
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois. .,Department of Medicine-Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.,Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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18
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Basher F, Dhar P, Wang X, Wainwright DA, Zhang B, Sosman J, Ji Z, Wu JD. Antibody targeting tumor-derived soluble NKG2D ligand sMIC reprograms NK cell homeostatic survival and function and enhances melanoma response to PDL1 blockade therapy. J Hematol Oncol 2020; 13:74. [PMID: 32517713 PMCID: PMC7285527 DOI: 10.1186/s13045-020-00896-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [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: 03/02/2020] [Accepted: 05/08/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Melanoma patients who have detectable serum soluble NKG2D ligands either at the baseline or post-treatment of PD1/PDL1 blockade exhibit poor overall survival. Among families of soluble human NKG2D ligands, the soluble human MHC I chain-related molecule (sMIC) was found to be elevated in melanoma patients and mostly associated with poor response to PD1/PDL1 blockade therapy. METHODS In this study, we aim to investigate whether co-targeting tumor-released sMIC enhances the therapeutic outcome of PD1/PDL1 blockade therapy for melanoma. We implanted sMIC-expressing B16F10 melanoma tumors into syngeneic host and evaluated therapeutic efficacy of anti-sMIC antibody and anti-PDL1 antibody combination therapy in comparison with monotherapy. We analyzed associated effector mechanism. We also assessed sMIC/MIC prevalence in metastatic human melanoma tumors. RESULTS We found that the combination therapy of the anti-PDL1 antibody with an antibody targeting sMIC significantly improved animal survival as compared to monotherapies and that the effect of combination therapy depends significantly on NK cells. We show that combination therapy significantly increased IL-2Rα (CD25) on NK cells which sensitizes NK cells to low dose IL-2 for survival. We demonstrate that sMIC negatively reprograms gene expression related to NK cell homeostatic survival and proliferation and that antibody clearing sMIC reverses the effect of sMIC and reprograms NK cell for survival. We further show that sMIC/MIC is abundantly present in metastatic human melanoma tumors. CONCLUSIONS Our findings provide a pre-clinical proof-of-concept and a new mechanistic understanding to underscore the significance of antibody targeting sMIC to improve therapeutic efficacy of anti-PD1/PDL1 antibody for MIC/sMIC+ metastatic melanoma patients.
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Affiliation(s)
- Fahmin Basher
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, 29425, USA.,Current address: Department of Medicine, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Payal Dhar
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA.,Driskill Graduate Program in Life Science, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Xin Wang
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Derek A Wainwright
- Driskill Graduate Program in Life Science, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA.,Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA.,Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Bin Zhang
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA.,Division of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Jeffrey Sosman
- Division of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Zhe Ji
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA.,Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, Evanston, IL, 60628, USA
| | - Jennifer D Wu
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA. .,Driskill Graduate Program in Life Science, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA. .,Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA.
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19
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Dhar P, Zhang J, Larrocha PSL, Zhang B, Wainwright DA, Wu JD. Antibody targeting tumor-derived soluble NKG2D ligand sMIC provides dual co-stimulation of CD8 T cells and enables sMIC tumors respond to PD1/PD-L1 blockade therapy. The Journal of Immunology 2020. [DOI: 10.4049/jimmunol.204.supp.165.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Abstract
Insufficient co-stimulation has been demonstrated to account for the suboptimal activation of cytotoxic CD8 T cells (CTLs) and presumably unsatisfactory clinical expectation of PD1/PD-L1 blockade therapy. Tumor-derived soluble NKG2D ligands are associated with poor clinical response to PD1/PD-L1 blockade therapy in cancer patients. One of the most frequently occurring tumor-derived soluble NKG2D ligands, the soluble MHC I chain related molecule (sMIC) can impair co-stimulation to CD8 T cells. We investigated whether co-targeting sMIC can provide optimal co-stimulation to CTLs and enhance the therapeutic effect of PD1/PD-L1 blockades. Single agent therapy of a PD1/PD-L1 blockade antibody or a sMIC-targeting non-blocking antibody or a combination therapy of the two antibodies were implied to well-characterized pre-clinical MIC/sMIC+ tumor models that closely resemble the NKG2D-mediated onco-immune dynamics of MIC+ cancer patients. Therapeutic efficacy and associated effector mechanisms were evaluated. We show that antibody co-targeting sMIC enables or enhances the response of sMIC+ tumors to PD1/PD-L1 blockade therapy. The therapy response of the combination therapy was associated with enhanced antigen-specific CD8 T cell enrichment and function in tumors. Co-targeting sMIC with a nonblocking antibody provides antigen-specific CD8 T cells with NKG2D and CD28 dual co-stimulation, in addition to elimination of inhibitory signals, and thus amplifies antigen-specific CD8 T cell anti-tumor responses. Our findings provide the proof-of-concept rationale and previously undiscovered mechanisms for co-targeting sMIC to enable and enhance the response to PD1/PD-L1 blockade therapy in sMIC+ cancer patients.
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Affiliation(s)
- Payal Dhar
- 1Feinberg School of Medicine, Northwestern University
| | | | | | - Bin Zhang
- 1Feinberg School of Medicine, Northwestern University
| | | | - Jennifer D Wu
- 1Feinberg School of Medicine, Northwestern University
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20
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Abstract
Natural killer (NK) cells are critical immune components in controlling tumor growth and dissemination. Given their innate capacity to eliminate tumor cells without prior sensitization, NK-based therapies for cancer are actively pursued pre-clinically and clinically. However, recent data suggest that tumors could induce functional alterations in NK cells, polarizing them to tumor-promoting phenotypes. The potential functional plasticity of NK cells in the context of tumors could lead to undesirable outcomes of NK-cell based therapies. In this review, we will summarize to-date evidence of tumor-associated NK cell plasticity and provide our insights for future investigations and therapy development.
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Affiliation(s)
- Sizhe Liu
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA.
| | - Payal Dhar
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA.
| | - Jennifer D Wu
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA.
- Robert Lurie Comprehensive Cancer Center, Chicago, IL 60611, USA.
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21
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Boettcher AN, Usman A, Morgans A, VanderWeele DJ, Sosman J, Wu JD. Past, Current, and Future of Immunotherapies for Prostate Cancer. Front Oncol 2019; 9:884. [PMID: 31572678 PMCID: PMC6749031 DOI: 10.3389/fonc.2019.00884] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [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: 06/25/2019] [Accepted: 08/27/2019] [Indexed: 12/22/2022] Open
Abstract
Prostate cancer (PCa) is the most common cancer in men, and the second leading cause of cancer related death in men in Western countries. The standard therapy for metastatic PCa is androgen suppression therapy (AST). Men undergoing AST eventually develop metastatic castration-resistant prostate cancer (mCRPC), of which there are limited treatment options available. Immunotherapy has presented substantial benefits for many types of cancer, but only a marginal benefit for mCRPC, at least in part, due to the immunosuppressive tumor microenvironment (TME). Current clinical trials are investigating monotherapies or combination therapies involving adoptive cellular therapy, viral, DNA vaccines, oncolytic viruses, and immune checkpoint inhibitors (ICI). Immunotherapies are also being combined with chemotherapy, radiation, and AST. Additionally, preclinical investigations show promise with the recent description of alternative ways to circumvent the immunosuppressive nature of the prostate tumor microenvironment, including harnessing the immune stimulatory NKG2D pathway, inhibiting myeloid derived suppressor cells, and utilizing immunomodulatory oncolytic viruses. Herein we provide an overview of recent preclinical and clinical developments in cancer immunotherapies and discuss the perspectives for future immunotherapies in PCa.
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Affiliation(s)
- Adeline N Boettcher
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Ahmed Usman
- Department of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Alicia Morgans
- Department of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - David J VanderWeele
- Department of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Jeffrey Sosman
- Department of Hematology and Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Jennifer D Wu
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States.,Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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22
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Zhang J, Larrocha PSL, Zhang B, Wainwright D, Dhar P, Wu JD. Antibody targeting tumor-derived soluble NKG2D ligand sMIC provides dual co-stimulation of CD8 T cells and enables sMIC + tumors respond to PD1/PD-L1 blockade therapy. J Immunother Cancer 2019; 7:223. [PMID: 31446896 PMCID: PMC6709558 DOI: 10.1186/s40425-019-0693-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [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: 03/22/2019] [Accepted: 07/24/2019] [Indexed: 02/21/2023] Open
Abstract
Background Insufficient co-stimulation accounts for a great deal of the suboptimal activation of cytotoxic CD8 T cells (CTLs) and presumably unsatisfactory clinical expectation of PD1/PD-L1 therapy. Tumor-derived soluble NKG2D ligands are associated with poor clinical response to PD1/PD-L1 blockade therapy in cancer patients. One of the mostly occurring tumor-derived soluble NKG2D ligands, the soluble MHC I chain related molecule (sMIC) can impair co-stimulation to CD8 T cells. We investigated whether co-targeting sMIC can provide optimal co-stimulation to CTLs and enhance the therapeutic effect of PD1/PD-L1 blockades. Methods Single agent therapy of a PD1/PD-L1 blockade antibody or a sMIC-targeting non-blocking antibody or a combination therapy of the two antibodies were implied to well-characterized pre-clinical MIC/sMIC+ tumor models that closely resemble the NKG2D-mediated oncoimmune dynamics of MIC+ cancer patients. Therapeutic efficacy and associated effector mechanisms were evaluated. Results We show that antibody co-targeting sMIC enables or enhances the response of sMIC+ tumors to PD1/PD-L1 blockade therapy. The therapy response of the combination therapy was associated with enhanced antigen-specific CD8 T cell enrichment and function in tumors. We show that co-targeting sMIC with a nonblocking antibody provides antigen-specific CD8 T cells with NKG2D and CD28 dual co-stimulation, in addition to elimination of inhibitory signals, and thus amplifies antigen-specific CD8 T cell anti-tumor responses. Conclusion Our findings provide the proof-of-concept rationale and previously undiscovered mechanisms for co-targeting sMIC to enable and enhance the response to PD1/PD-L1 blockade therapy in sMIC+ cancer patients. Electronic supplementary material The online version of this article (10.1186/s40425-019-0693-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jinyu Zhang
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
| | | | - Bin Zhang
- Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Derek Wainwright
- Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Payal Dhar
- Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Jennifer D Wu
- Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA.
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23
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Chen S, Wainwright DA, Wu JD, Wan Y, Matei DE, Zhang Y, Zhang B. CD73: an emerging checkpoint for cancer immunotherapy. Immunotherapy 2019; 11:983-997. [PMID: 31223045 PMCID: PMC6609898 DOI: 10.2217/imt-2018-0200] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [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: 12/09/2018] [Accepted: 06/07/2019] [Indexed: 02/07/2023] Open
Abstract
CD73 is a novel immune checkpoint associated with adenosine metabolism that promotes tumor progression by suppressing antitumor immune response and promoting angiogenesis. The inhibition of CD73, in combination with immune checkpoint blockade, targeted therapy or conventional therapy, improves antitumor effects in numerous preclinical mouse models of cancer. Emerging evidence suggests that the combination of anti-CD73 and immune checkpoint blockade has promising clinical activity in patients with advanced solid tumors. In this review, we will discuss the specific role of CD73 on both tumor cells and nontumor cells in regulating tumor immunity and tumorigenesis and provide an update on the current view of the antitumor activity of targeting CD73 by mAb or small molecule selective inhibitors in preclinical and clinical settings.
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Affiliation(s)
- Siqi Chen
- Robert H Lurie Comprehensive Cancer Center, Department of Medicine-Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Derek A Wainwright
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Jennifer D Wu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Yong Wan
- Department of Obstetrics & Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Daniela E Matei
- Department of Obstetrics & Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Yi Zhang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Bin Zhang
- Robert H Lurie Comprehensive Cancer Center, Department of Medicine-Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
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24
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Wu JD, Zhang J, Larrocha P, Dhar P. Abstract LB-014: Antibody targeting soluble NKG2D ligand sMIC sensitizes metastatic prostate tumor and other MIC+ tumors to PD1/PD-L1 blockade therapy in pre-clinical models. Cancer Res 2019. [DOI: 10.1158/1538-7445.am2019-lb-014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Targeting programmed cell death-1 (PD-1) has produced a survival benefit for patients diagnosed with many types of malignancies. However, the clinical survival benefit in metastatic prostate cancer is only marginal to-date. Currently, the understanding of why metastatic prostate cancer is resistant to PD-1 blockade therapy remains to be defined. Among the many factors that negatively impact response to PD-1 blockade treatment, tumor-derived soluble NKG2D ligands have been reported to hinder the clinical response to immune checkpoint blockade in melanoma patients. Metastatic prostate cancer cells release high levels of the circulating soluble NKG2D ligand, soluble MHC I Chain related molecule (sMIC), a molecule that is absent in classical rodent tumor model. Here, we tested the hypothesis that targeting sMIC sensitizes metastatic prostate tumors to PD-1 blockade therapy. Using a well-described double transgenic TRAMP/MIC mouse model that closely resembles the onco-immune dynamics of human metastatic prostate cancer, we demonstrate that an antibody targeting sMIC significantly enhances the response of prostate tumors to PD-1/PD-L1 blockade therapy. Mechanistically, targeting sMIC enriches NK cell and CD8 T cell infiltration into tumors, equips CD8 T cells with enhanced NKG2D and CD28 dual co-stimulation, and increases the expression of PD-L1+ on prostate tumor cells. Combination of the antibody targeting sMIC and a PD-1/PD-L1 blockade cooperatively augments intra-tumoral NK and antigen-specific CD8 T cell anti-tumor immunity. These findings were validated in syngeneic prostate tumor transplant models and other models of other cancer types. Our pre-clinical study provides proof-of-concept and uncovered novel mechanisms of a viable combination immunotherapy for metastatic prostate cancer and other MIC+ cancers.
Citation Format: Jennifer D. Wu, Jinyu Zhang, Pablo Larrocha, Payal Dhar. Antibody targeting soluble NKG2D ligand sMIC sensitizes metastatic prostate tumor and other MIC+ tumors to PD1/PD-L1 blockade therapy in pre-clinical models [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2019; 2019 Mar 29-Apr 3; Atlanta, GA. Philadelphia (PA): AACR; Cancer Res 2019;79(13 Suppl):Abstract nr LB-014.
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Affiliation(s)
| | - Jinyu Zhang
- 2East Tennessee State University, Tennessee, TN
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25
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Muñoz DP, Yannone SM, Daemen A, Sun Y, Vakar-Lopez F, Kawahara M, Freund AM, Rodier F, Wu JD, Desprez PY, Raulet DH, Nelson PS, van 't Veer LJ, Campisi J, Coppé JP. Targetable mechanisms driving immunoevasion of persistent senescent cells link chemotherapy-resistant cancer to aging. JCI Insight 2019; 5:124716. [PMID: 31184599 DOI: 10.1172/jci.insight.124716] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [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: 12/12/2022] Open
Abstract
Cellular senescence is a tumor suppressive mechanism that can paradoxically contribute to aging pathologies. Despite evidence of immune clearance in mouse models, it is not known how senescent cells (SnCs) persist and accumulate with age or in tumors in individuals. Here, we identify cooperative mechanisms that orchestrate the immunoevasion and persistence of normal and cancer human SnCs through extracellular targeting of natural killer receptor signaling. Damaged SnCs avoid immune recognition through MMPs-dependent shedding of NKG2D-ligands reinforced via paracrine suppression of NKG2D receptor-mediated immunosurveillance. These coordinated immunoediting processes are evident in residual, drug-resistant tumors from cohorts of >700 prostate and breast cancer patients treated with senescence-inducing genotoxic chemotherapies. Unlike in mice, these reversible senescence-subversion mechanisms are independent of p53/p16 and exacerbated in oncogenic RAS-induced senescence. Critically, the p16INK4A tumor suppressor can disengage the senescence growth arrest from the damage-associated immune senescence program, which is manifest in benign nevi lesions where indolent SnCs accumulate over time and preserve a non-pro-inflammatory tissue microenvironment maintaining NKG2D-mediated immunosurveillance. Our study shows how subpopulations of SnCs elude immunosurveillance, and reveals secretome-targeted therapeutic strategies to selectively eliminate -and restore the clearance of- the detrimental SnCs that actively persist after chemotherapy and accumulate at sites of aging pathologies.
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Affiliation(s)
- Denise P Muñoz
- Swim Across America National Laboratory, Children's Hospital Oakland Research Institute, UCSF Benioff Children's Hospital Oakland, Oakland, California, USA
| | - Steven M Yannone
- Lawrence Berkeley National Laboratory, Life Sciences Division, Berkeley, California, USA
| | - Anneleen Daemen
- Helen Diller Family Comprehensive Cancer Center, Department of Laboratory Medicine, UCSF, San Francisco, California, USA
| | - Yu Sun
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Funda Vakar-Lopez
- Department of Pathology, University of Washington, Seattle, Washington, USA
| | - Misako Kawahara
- Lawrence Berkeley National Laboratory, Life Sciences Division, Berkeley, California, USA.,Helen Diller Family Comprehensive Cancer Center, Department of Laboratory Medicine, UCSF, San Francisco, California, USA
| | - Adam M Freund
- Lawrence Berkeley National Laboratory, Life Sciences Division, Berkeley, California, USA.,Buck Institute for Research on Aging, Novato, California, USA
| | - Francis Rodier
- Lawrence Berkeley National Laboratory, Life Sciences Division, Berkeley, California, USA
| | - Jennifer D Wu
- Department of Pathology, University of Washington, Seattle, Washington, USA
| | - Pierre-Yves Desprez
- Buck Institute for Research on Aging, Novato, California, USA.,Research Institute, California Pacific Medical Center, San Francisco, California, USA
| | - David H Raulet
- Department of Molecular and Cell Biology, Division of Immunology and Pathogenesis, University of California, Berkeley, Berkeley, California, USA
| | - Peter S Nelson
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Laura J van 't Veer
- Helen Diller Family Comprehensive Cancer Center, Department of Laboratory Medicine, UCSF, San Francisco, California, USA
| | - Judith Campisi
- Lawrence Berkeley National Laboratory, Life Sciences Division, Berkeley, California, USA.,Buck Institute for Research on Aging, Novato, California, USA
| | - Jean-Philippe Coppé
- Lawrence Berkeley National Laboratory, Life Sciences Division, Berkeley, California, USA.,Helen Diller Family Comprehensive Cancer Center, Department of Laboratory Medicine, UCSF, San Francisco, California, USA
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26
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Ladomersky E, Scholtens DM, Kocherginsky M, Hibler EA, Bartom ET, Otto-Meyer S, Zhai L, Lauing KL, Choi J, Sosman JA, Wu JD, Zhang B, Lukas RV, Wainwright DA. The Coincidence Between Increasing Age, Immunosuppression, and the Incidence of Patients With Glioblastoma. Front Pharmacol 2019; 10:200. [PMID: 30971917 PMCID: PMC6446059 DOI: 10.3389/fphar.2019.00200] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [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: 01/12/2019] [Accepted: 02/18/2019] [Indexed: 12/12/2022] Open
Abstract
Background: Glioblastoma (GBM) is the most aggressive primary brain tumor in adults and is associated with a median overall survival (mOS) of 16-21 months. Our previous work found a negative association between advanced aging and the survival benefit after treatment with immunotherapy in an experimental brain tumor model. Given the recent phase III clinical success of immunotherapy in patients with many types of cancer, but not for patients with GBM, we hypothesize that aging enhances immunosuppression in the brain and contributes to the lack of efficacy for immunotherapy to improve mOS in patients with malignant glioma. Herein, we compare epidemiological data for the incidence and mortality of patients with central nervous system (CNS) cancers, in addition to immune-related gene expression in the normal human brain, as well as peripheral blood immunological changes across the adult lifespan. Methods: Data were extracted from the National Cancer Institute's surveillance, epidemiology, and end results (SEER)-, the Broad Institute's Genotype Tissue Expression project (GTEx)-, and the University of California San Francisco's 10k Immunomes-databases and analyzed for associations with aging. Results: The proportion of elderly individuals, defined as ≥65 years of age, has predominantly increased for more than 100 years in the United States. Over time, the rise in elderly United States citizens has correlated with an increased incidence and mortality rate associated with primary brain and other CNS cancer. With advanced aging, human mRNA expression for factors associated with immunoregulation including immunosuppressive indoleamine 2,3 dioxygenase 1 (IDO) and programmed death-ligand 1 (PD-L1), as well as the dendritic cell surface marker, CD11c, increase in the brain of normal human subjects, coincident with increased circulating immunosuppressive Tregs and decreased cytolytic CD8+ T cells in the peripheral blood. Strikingly, these changes are maximally pronounced in the 60-69 year old group; consistent with the median age of a diagnosis for GBM. Conclusion: These data demonstrate a significant association between normal human aging and increased immunosuppression in the circulation and CNS; particularly late in life. Our data raise several hypotheses including that, aging: (i) progressively suppresses normal immunosurveillance and thereby contributes to GBM cell initiation and/or outgrowth; (ii) decreases immunotherapeutic efficacy against malignant glioma.
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Affiliation(s)
- Erik Ladomersky
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Denise M Scholtens
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.,Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Masha Kocherginsky
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.,Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Elizabeth A Hibler
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Elizabeth T Bartom
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Sebastian Otto-Meyer
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Lijie Zhai
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Kristen L Lauing
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Jaehyuk Choi
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.,Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Jeffrey A Sosman
- Department of Medicine-Hematology and Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Jennifer D Wu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.,Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Bin Zhang
- Department of Medicine-Hematology and Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.,Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Rimas V Lukas
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.,Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Derek A Wainwright
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.,Department of Medicine-Hematology and Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.,Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
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27
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Zhai L, Ladomersky E, Lauing KL, Wu M, Scholtens DM, Savoor R, Zhang B, Wu JD, Horbinski C, Lukas RV, Binder DC, Wainwright DA. Commentary: preclinical efficacy of immune-checkpoint monotherapy does not recapitulate corresponding biomarkers-based clinical predictions in glioblastoma by Garg et al. (2017). Oncoimmunology 2018; 8:1548242. [PMID: 30723577 DOI: 10.1080/2162402x.2018.1548242] [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: 07/30/2018] [Revised: 10/29/2018] [Accepted: 11/09/2018] [Indexed: 10/27/2022] Open
Abstract
Preclinical modeling and gene expression analyses have yielded distinct observations for the role of immune checkpoint, IDO1, in glioblastoma (GBM). Accordingly, our recent work differs with Garg et al. (2017) with respect to IDO1 among preclinical and bioinformatic GBM datasets. Here, we discuss the methodological differences that affected study interpretation, and potentially, future clinical decision-making for IDO1-targeting approaches against GBM.
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Affiliation(s)
- Lijie Zhai
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Erik Ladomersky
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Kristen L Lauing
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Meijing Wu
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Denise M Scholtens
- Department of Preventive Medicine-Biostatistics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Rohan Savoor
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Bin Zhang
- Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jennifer D Wu
- Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Craig Horbinski
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Rimas V Lukas
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - David C Binder
- Department of Radiation Oncology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Derek A Wainwright
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Department of Medicine-Division of Hematology and Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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28
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Stamenkovic DM, Rancic NK, Latas MB, Neskovic V, Rondovic GM, Wu JD, Cattano D. Preoperative anxiety and implications on postoperative recovery: what can we do to change our history. Minerva Anestesiol 2018; 84:1307-1317. [DOI: 10.23736/s0375-9393.18.12520-x] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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29
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Wallace K, Lewin DN, Sun S, Spiceland CM, Rockey DC, Alekseyenko AV, Wu JD, Baron JA, Alberg AJ, Hill EG. Tumor-Infiltrating Lymphocytes and Colorectal Cancer Survival in African American and Caucasian Patients. Cancer Epidemiol Biomarkers Prev 2018; 27:755-761. [PMID: 29769214 PMCID: PMC6449046 DOI: 10.1158/1055-9965.epi-17-0870] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 12/08/2017] [Accepted: 05/08/2018] [Indexed: 12/11/2022] Open
Abstract
Background: Compared with Caucasian Americans (CAs), African Americans (AAs) with colorectal cancer have poorer survival, especially younger-age patients. A robust lymphocytic reaction within colorectal cancers is strongly associated with better survival, but whether immune response impacts the disparity in colorectal cancer survival is unknown.Methods: The study population was comprised of 211 histologically confirmed colorectal cancers at the Medical University of South Carolina (Charleston, SC; 159 CAs and 52 AAs) diagnosed between Jan 01, 2000, and June 30, 2013. We constructed a lymphocyte score based on blinded pathologic assessment of the four different types of lymphocytic reactions. Cox proportional hazards regression was used to evaluate the association between the lymphocyte score and risk of death by race.Results: Colorectal cancers in AAs (vs. CAs) had a stronger lymphocytic reaction at diagnosis. A high lymphocyte score (vs. the lowest) was associated with better survival in AAs [HR 0.19; 95% confidence interval (CI), 0.04-0.99] and CAs (HR 0.47; 95% CI, 0.15-1.45). AAs with no lymphocytic reaction (vs. other categories) had poor survival HR 4.48 (1.58-12.7) whereas no difference was observed in CAs. The risk of death in AAs (vs. CA) was more pronounced in younger patients (HR 2.92; 95% CI, 1.18-7.22) compared with older (HR 1.20; 95% CI, 0.54-2.67), especially those with lymphocytic poor colorectal cancers.Conclusions: The lymphocytic reaction in tumor impacted the racial disparity in survival.Impact: Our results confirm the importance of the lymphocytic score on survival and highlight the need to fully characterize the immune environment of colorectal cancers by race. Cancer Epidemiol Biomarkers Prev; 27(7); 755-61. ©2018 AACR.
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Affiliation(s)
- Kristin Wallace
- Hollings Cancer Center, Medical University of South Carolina, Charleston, South Carolina.
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - David N Lewin
- Hollings Cancer Center, Medical University of South Carolina, Charleston, South Carolina
- Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Shaoli Sun
- Hollings Cancer Center, Medical University of South Carolina, Charleston, South Carolina
- Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Clayton M Spiceland
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Don C Rockey
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Alexander V Alekseyenko
- Hollings Cancer Center, Medical University of South Carolina, Charleston, South Carolina
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Jennifer D Wu
- Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - John A Baron
- Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - Anthony J Alberg
- Hollings Cancer Center, Medical University of South Carolina, Charleston, South Carolina
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Elizabeth G Hill
- Hollings Cancer Center, Medical University of South Carolina, Charleston, South Carolina
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
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30
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Abstract
Fifty-four patients with Inoperable cancers were treated with a combination of cisplatin and radiotherapy from May 1984 to February 1989. Cisplatin was administered at a dose of 40 mg/week, for a total dose of 160-320 mg, during radiation therapy. In 4 cases with brain metastases, the cisplatin dose was 40 mg/m2. Cisplatin concentration in blood was measured using the flameless atomic absorption spectrophotometric method. Radiation therapy was delivered by a 6 MV X-ray or a cobalt-60 unit up to a total dose of 50-70 Gy. Among the 54 patients, 89% (48) responded to the treatment regimen; complete responses (CR) and partial responses (PR) were 56% and 33%, respectively. Six patients were stable in their disease. Among the 30 patients who had CR's, the 1-year survival rate was 88% (21/24). Two patients (7%) had local relapse. However, among PRs, the 1-year survival rate was 33% (4/12) and local failure (61%) (11/18). Objective tumor response was observed in 4 cases with brain metastasis, 2 of the 4 patients were alive for more than 6 months. Toxic effects were moderate and consisted of emesis and myelosuppression. Grade III bone marrow suppression amounted to 11%, and the interval of recovery was relatively long compared with that reported in the literature. Further prospective controlled studies are recommended.
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Affiliation(s)
- Y H Bao
- Department of Oncology, North Tai Ping Road Hospital Cancer Center, Beijing, China
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31
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Abstract
NKG2D is an activating immune receptor expressed by NK and effector T cells. Induced expression of NKG2D ligand on tumor cell surface during oncogenic insults renders cancer cells susceptible to immune destruction. In advanced human cancers, tumor cells shed NKG2D ligand to produce an immune soluble form as a means of immune evasion. Soluble NKG2D ligands have been associated with poor clinical prognosis in cancer patients. Harnessing NKG2D pathway is considered a viable avenue in cancer immunotherapy over recent years. In this review, we will discuss the progress and perspectives.
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Affiliation(s)
- Payal Dhar
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago IL60611, United States; Driskill Graduate Program in Life Sciences, Feinberg School of Medicine, Chicago, Northwestern University, Chicago IL60611, United States
| | - Jennifer D Wu
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago IL60611, United States; Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago IL60611, United States; Robert Lurie Comprehensive Cancer Center, Northwestern University, Chicago IL60611, United States.
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32
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Zhang J, Liu D, Li G, Staveley-O’Carroll KF, Graff JN, Li Z, Wu JD. Antibody-mediated neutralization of soluble MIC significantly enhances CTLA4 blockade therapy. Sci Adv 2017; 3:e1602133. [PMID: 28560327 PMCID: PMC5435412 DOI: 10.1126/sciadv.1602133] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 03/09/2017] [Indexed: 05/15/2023]
Abstract
Antibody therapy targeting cytotoxic T lymphocyte-associated antigen 4 (CTLA4) elicited survival benefits in cancer patients; however, the overall response rate is limited. In addition, anti-CTLA4 antibody therapy induces a high rate of immune-related adverse events. The underlying factors that may influence anti-CTLA4 antibody therapy are not well defined. We report the impact of a cancer-derived immune modulator, the human-soluble natural killer group 2D (NKG2D) ligand sMIC (soluble major histocompatibility complex I chain-related molecule), on the therapeutic outcome of anti-CTLA4 antibody using an MIC transgenic spontaneous TRAMP (transgenic adenocarcinoma of the mouse prostate)/MIC tumor model. Unexpectedly, animals with elevated serum sMIC (sMIChi) responded poorly to anti-CTLA4 antibody therapy, with significantly shortened survival due to increased lung metastasis. These sMIChi animals also developed colitis in response to anti-CTLA4 antibody therapy. Coadministration of an sMIC-neutralizing monoclonal antibody with the anti-CTLA4 antibody alleviated treatment-induced colitis in sMIChi animals and generated a cooperative antitumor therapeutic effect by synergistically augmenting innate and adoptive antitumor immune responses. Our findings imply that a new combination therapy could improve the clinical response to anti-CTLA4 antibody therapy. Our findings also suggest that prescreening cancer patients for serum sMIC may help in selecting candidates who will elicit a better response to anti-CTLA4 antibody therapy.
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Affiliation(s)
- Jingyu Zhang
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425, USA
- CanCure LLC, Everett, WA 98208, USA
| | - Dai Liu
- School of Medicine, University of Missouri, Columbia, MO 65211, USA
| | - Guangfu Li
- School of Medicine, University of Missouri, Columbia, MO 65211, USA
| | | | - Julie N. Graff
- Knight Cancer Institute, Oregon Health and Science University, Portland, OR 97239, USA
| | - Zihai Li
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425, USA
- Cancer Immunology Program, Hollings Cancer Center, Charleston, SC 29425, USA
| | - Jennifer D. Wu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425, USA
- Cancer Immunology Program, Hollings Cancer Center, Charleston, SC 29425, USA
- Corresponding author.
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Wu JD, Zhang JD, Basher F, Rubinstein M. Abstract A34: Beyond immune checkpoint: First-in-class antibody targeting soluble NKG2D ligand sMIC for cancer immunotherapy. Cancer Immunol Res 2017. [DOI: 10.1158/2326-6074.tumimm16-a34] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
In response to oncogenic insult, human cells were induced to express a family of MHC I-chain related molecules A and B (MICA and MICB, generally termed MIC) on the surface which serve as the ligands for the activating immune receptor NKG2D expressed by all human NK and cytotoxic T cells. Theoretically, engagement of NKG2D by tumor cell surface MIC is deemed to signal and provoke the immune system to eliminate transformed cells. Clinically, almost all advanced tumors in cancer patients produce soluble MIC through proteolytic shedding mediated by metalloproteases, or by release in exosomes derived from the cell membrane. Tumor-derived sMIC is known to be highly immune suppressive and profoundly insults the immune system by downregulating receptor NKG2D expression on effector NK and T cells, driving the expansion of tumor-favoring myeloid suppression cells, skewing macrophages into alternatively activated phenotypes, and perturbing NK cell peripheral maintenance. High levels of serum sMIC significantly correlate with advanced diseases of many types of cancer. These observations clearly endorse sMIC to be a cancer immune therapeutic target. However, due to mice lack homologues to human MIC, this concept was not proven until our recent studies. Using a “humanized” MIC-transgenic spontaneous mouse model which recapitulates the NKG2D-mediated onco-immune dynamics of human cancer patients, we show that neutralizing circulating sMIC with a first-in-field non-blocking antibody B10 that does not block the interaction of MIC with NKG2D revamps endogenous innate and antigen-specific CD8 T cell responses. We show that therapy with the non-blocking sMIC-neutralizing antibody results in effectively debulk of primary tumor and elimination of metastasis, with no observed toxicity. Furthermore, we show that clearing sMIC with the first-in-class neutralizing antibody B10 also enhanced the efficacy of other cancer immunotherapeutic modalities, such as immune checkpoint blockade or adoptive cell-based therapy pre-clinically. Our study has launched a new avenue of cancer immunotherapy which can be readily translated into clinical trials.
Note: This abstract was not presented at the conference.
Citation Format: Jennifer D. Wu, Jinyu D. Zhang, Fahmin Basher, Mark Rubinstein. Beyond immune checkpoint: First-in-class antibody targeting soluble NKG2D ligand sMIC for cancer immunotherapy. [abstract]. In: Proceedings of the AACR Special Conference on Tumor Immunology and Immunotherapy; 2016 Oct 20-23; Boston, MA. Philadelphia (PA): AACR; Cancer Immunol Res 2017;5(3 Suppl):Abstract nr A34.
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Affiliation(s)
| | | | - Fahmin Basher
- Medical University of South Carolina, Charleston, SC
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34
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Wallace K, DeToma A, Lewin DN, Sun S, Rockey D, Britten CD, Wu JD, Ba A, Alberg AJ, Hill EG. Racial Differences in Stage IV Colorectal Cancer Survival in Younger and Older Patients. Clin Colorectal Cancer 2016; 16:178-186. [PMID: 28065664 DOI: 10.1016/j.clcc.2016.11.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [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: 07/21/2016] [Revised: 09/24/2016] [Accepted: 11/14/2016] [Indexed: 12/18/2022]
Abstract
INTRODUCTION African Americans (AAs) compared with European Americans (EAs) have poorer stage-specific survival from colorectal cancer (CRC). Recent reports have indicated that the racial difference in survival has worsened over time, especially among younger patients. To better characterize this association, we used population-based Surveillance, Epidemiology, and End Results registry data to evaluate the effect of race on stage IV CRC survival in patients aged < 50 and ≥ 50 years. PATIENTS AND METHODS The population included 16,782 patients diagnosed with stage IV colon and rectal adenocarcinoma from January 1, 2004 and December 31, 2011. Cox proportional hazards regression was used to evaluate the association between race and other prognostic factors and the risk of death in each age group. RESULTS Younger AAs compared with EAs had a greater prevalence of proximal CRC at diagnosis, a factor associated with a significantly greater risk of death in both races. Among patients < 50 years old, AAs had a greater risk of death compared with EAs (hazard ratio, 1.35; 95% confidence interval, 1.20-1.51), which was attenuated in patients ≥ 50 years of age (hazard ratio, 1.10; 95% confidence interval, 1.04-1.16); P for interaction = .01. CONCLUSION The results revealed poor overall survival for AAs compared with EAs, especially for those < 50 years of age. The greater prevalence of proximal CRC at diagnosis among younger AAs (vs. EAs) might contribute to the racial difference in survival. Future studies are needed to understand how the colonic location affects the efficacy of treatment regimens.
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Affiliation(s)
- Kristin Wallace
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC; Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC.
| | - Allan DeToma
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC; Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - David N Lewin
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC; Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC
| | - Shaoli Sun
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC; Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC
| | - Don Rockey
- Department of Medicine, Medical University of South Carolina, Charleston, SC
| | - Carolyn D Britten
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC; Division of Hematology and Oncology, Department of Medicine, Medical University of South Carolina, Charleston, SC
| | - Jennifer D Wu
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC; Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC
| | - Aissatou Ba
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC
| | - Anthony J Alberg
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC; Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - Elizabeth G Hill
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC; Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
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35
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Liu Q, Li A, Tian Y, Liu Y, Li T, Zhang C, Wu JD, Han X, Wu K. The expression profile and clinic significance of the SIX family in non-small cell lung cancer. J Hematol Oncol 2016; 9:119. [PMID: 27821176 PMCID: PMC5100270 DOI: 10.1186/s13045-016-0339-1] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [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: 09/05/2016] [Accepted: 10/06/2016] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The SIX family homeobox genes have been demonstrated to be involved in the tumor initiation and progression, but their clinicopathological features and prognostic values in non-small cell lung cancer (NSCLC) have not been well defined. We analyzed relevant datasets and performed a systemic review and a meta-analysis to assess the profile of SIX family members in NSCLC and evaluate their importance as biomarkers for diagnosis and prediction of NSCLC. METHODS This meta-analysis included 17 studies with 2358 patients. Hazard ratio (HR) and 95 % confidence interval (CI) were calculated to represent the prognosis of NSCLC with expression of the SIX family genes. Heterogeneity of the ORs and HRs was assessed and quantified using the Cochrane Q and I 2 test. Begg's rank correlation method and Egger's weighted regression method were used to screen for potential publication bias. Bar graphs of representative datasets were plotted to show the correlation between the SIX expression and clinicopathological features of NSCLC. Kaplan-Meier survival curves were used to validate our prognostic analysis by pooled HR. RESULTS The systematic meta-analysis unveiled that the higher expressions of SIX1-5 were associated with the greater possibility of the tumorigenesis. SIX4 and SIX6 were linked to the lymph node metastasis (LNM). SIX2, SIX3, and SIX4 were correlated with higher TNM stages. Furthermore, the elevated expressions of SIX2, SIX4, and SIX6 predicted poor overall survival (OS) in NSCLC (SIX2: HR = 1.14, 95 % CI, 1.00-1.31; SIX4: HR = 1.39, 95 % CI, 1.16-1.66; SIX6: HR = 1.18, 95 % CI, 1.00-1.38) and poor relapse-free survival (RFS) in lung adenocarcinoma (ADC) (SIX2: HR = 1.42, 95 % CI, 1.14-1.77; SIX4: HR = 1.52, 95 % CI, 1.09-2.11; SIX6: HR = 1.25, 95 % CI, 1.01-1.56). CONCLUSIONS Our report demonstrated that the SIX family members play distinct roles in the tumorigenesis of NSCLC and can be potential biomarkers in predicting prognosis of NSCLC patients.
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Affiliation(s)
- Qian Liu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Anping Li
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Yijun Tian
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yu Liu
- Department of Geriatric, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Tengfei Li
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Cuntai Zhang
- Department of Geriatric, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jennifer D Wu
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
| | - Xinwei Han
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
| | - Kongming Wu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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Wu JD, Zhang J, Basher F, Rubinstein M. Abstract B024: First-in-class antibody targeting soluble NKG2D ligand sMIC to enhance checkpoint cancer immunotherapy. Cancer Immunol Res 2016. [DOI: 10.1158/2326-6066.imm2016-b024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
In response to oncogenic insult, human cells were induced to express a family of MHC I-chain related molecules A and B (MICA and MICB, generally termed MIC) on the surface which serve as the ligands for the activating immune receptor NKG2D expressed by all human NK, CD8 T, NKT, and subsets of γδ T cells. Theoretically, engagement of NKG2D by tumor cell surface MIC is deemed to signal and provoke the immune system to eliminate transformed cells. Clinically, almost all advanced tumors in cancer patients produce soluble MIC through proteolytic shedding mediated by metalloproteases, or by release in exosomes derived from the cell membrane. Tumor-derived sMIC is known to be highly immune suppressive and profoundly insults the immune system by downregulating receptor NKG2D expression on effector NK and T cells, driving the expansion of tumor-favoring myeloid suppression cells, skewing macrophages into alternatively activated phenotypes, and perturbing NK cell peripheral maintenance. High levels of serum sMIC significantly correlate with advanced diseases of many types of cancer. These observations clearly endorse sMIC to be a cancer immune therapeutic target. However, due to mice lack homologues to human MIC, this concept was not proven until our recent studies. Using a “humanized” MIC-transgenic spontaneous mouse model which recapitulates the NKG2D-mediated onco-immune dynamics of human cancer patients, we show that neutralizing circulating sMIC with a first-in-field non-blocking antibody B10 that does not block the interaction of MIC with NKG2D revamps endogenous innate and antigen-specific CD8 T cell responses and remodels tumor microenvironment to be more immune reactive. We show that therapy with the non-blocking sMIC-neutralizing antibody results in effectively debulk of primary tumor and elimination of metastasis, with no observed toxicity. Furthermore, we show that clearing sMIC with the first-in-class neutralizing antibody B10 also enhanced the efficacy of other cancer immunotherapeutic modalities, such as immune checkpoint blockade or adoptive cell-based therapy pre-clinically. Our study has launched a new avenue of cancer immunotherapy which can be readily translated into clinical trials.
Citation Format: Jennifer D. Wu, Jinyu Zhang, Fahmin Basher, Mark Rubinstein. First-in-class antibody targeting soluble NKG2D ligand sMIC to enhance checkpoint cancer immunotherapy [abstract]. In: Proceedings of the Second CRI-CIMT-EATI-AACR International Cancer Immunotherapy Conference: Translating Science into Survival; 2016 Sept 25-28; New York, NY. Philadelphia (PA): AACR; Cancer Immunol Res 2016;4(11 Suppl):Abstract nr B024.
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Affiliation(s)
| | - Jinyu Zhang
- Medical University of South carolina, Charleston, SC
| | - Fahmin Basher
- Medical University of South carolina, Charleston, SC
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Liu Q, Li A, Tian Y, Wu JD, Liu Y, Li T, Chen Y, Han X, Wu K. The CXCL8-CXCR1/2 pathways in cancer. Cytokine Growth Factor Rev 2016; 31:61-71. [PMID: 27578214 PMCID: PMC6142815 DOI: 10.1016/j.cytogfr.2016.08.002] [Citation(s) in RCA: 392] [Impact Index Per Article: 49.0] [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: 05/17/2016] [Revised: 08/13/2016] [Accepted: 08/23/2016] [Indexed: 02/07/2023]
Abstract
Persistent infection or chronic inflammation contributes significantly to tumourigenesis and tumour progression. C-X-C motif ligand 8 (CXCL8) is a chemokine that acts as an important multifunctional cytokine to modulate tumour proliferation, invasion and migration in an autocrine or paracrine manner. Studies have suggested that CXCL8 and its cognate receptors, C-X-C chemokine receptor 1 (CXCR1) and CX-C chemokine receptor 2 (CXCR2), mediate the initiation and development of various cancers including breast cancer, prostate cancer, lung cancer, colorectal carcinoma and melanoma. CXCL8 also integrates with multiple intracellular signalling pathways to produce coordinated effects. Neovascularisation, which provides a basis for fostering tumour growth and metastasis, is now recognised as a critical function of CXCL8 in the tumour microenvironment. In this review, we summarize the biological functions and ficlinical significance of the CXCL8 signalling axis in cancer. We also propose that CXCL8 may be a potential therapeutic target for cancer treatment
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Affiliation(s)
- Qian Liu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Anping Li
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Yijun Tian
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jennifer D Wu
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
| | - Yu Liu
- Department of Geriatric, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Tengfei Li
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Yuan Chen
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xinwei Han
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
| | - Kongming Wu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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Wu JD, Basher F, Rubinstein M. Abstract 2468: Antibody targeting soluble NKG2D ligand sMIC induces regression of primary tumors and eliminates metastasis in multiple pre-clinical cancer models. Cancer Res 2015. [DOI: 10.1158/1538-7445.am2015-2468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Expression of the MHC I-chain related molecules A and B (MICA/B) on epithelial cell surface in response to transformation or DNA damage can signal the immune system of the abnormality and thus initiate active immune surveillance by Natural Killer (NK) cells and cytotoxicity T cells. We and others have shown that malignant tumor cells can shed MICA/B to down regulate NKG2D expression and negatively impact NK and CD8 T cell function in cancer patients. Increased tumor-specific shedding of cell surface NKG2D ligand, MHC I chain related molecule (MIC), is associated with advanced stage and metastasis in many types of epithelial cancer. High serum levels of soluble MIC (sMIC) insults the immune system not only by down-regulating NKG2D expression on natural killer (NK) cells and effector T cells but also perturbing NK cell peripheral maintenance. Whether sMIC is an effective cancer therapeutic target has not been addressed due to the lack of specific sMIC-blocking reagent and clinically relevant pre-clinical animal models. Using a “humanized” clinically relevant spontaneous prostate carcinoma TRAMP/MIC bi-transgenic mouse model and multiple engineered syngeneic transplantable tumor models, we unprecedentedly show that therapy with a sMIC-specific monoclonal antibody induced rapid regression of primary tumors and metastasis without systemic toxicity. The therapy revamped a myriad of anti-tumor immune responses including NK cell homeostatic renewal and function, CD4 T cells to Th1 and Th17 responses. Using the well-defined melanoma model, we further show that anti-sMIC therapy augments Pmel-1 antigen-specific CD8 T cell responses. Notably, depletion of NK cells mitigated the therapeutic effect of anti-sMIC antibody and the effector function of both CD4 and CD8 T cells. We conclude that sMIC is an effective therapeutic target to potentiate innate and adoptive immune responses against MIC+ malignancies.
Citation Format: Jennifer D. Wu, Fahmin Basher, Mark Rubinstein. Antibody targeting soluble NKG2D ligand sMIC induces regression of primary tumors and eliminates metastasis in multiple pre-clinical cancer models. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2015 Apr 18-22; Philadelphia, PA. Philadelphia (PA): AACR; Cancer Res 2015;75(15 Suppl):Abstract nr 2468. doi:10.1158/1538-7445.AM2015-2468
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Affiliation(s)
| | - Fahmin Basher
- Medical University of South Carolina, Charleston, SC
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Lu S, Zhang J, Liu D, Li G, Staveley-O'Carroll KF, Li Z, Wu JD. Nonblocking Monoclonal Antibody Targeting Soluble MIC Revamps Endogenous Innate and Adaptive Antitumor Responses and Eliminates Primary and Metastatic Tumors. Clin Cancer Res 2015; 21:4819-30. [PMID: 26106076 DOI: 10.1158/1078-0432.ccr-15-0845] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Accepted: 06/12/2015] [Indexed: 11/16/2022]
Abstract
PURPOSE The human tumor-derived soluble MHC I-chain-related molecule (sMIC) is highly immune suppressive in cancer patients and correlates with poor prognosis. However, the therapeutic effect of targeting sMIC has not been determined, due to the limitation that mice do not express homologs of human MIC. This study is to evaluate the therapeutic effect of a monoclonal antibody (mAb) targeting sMIC in a clinically relevant transgenic animal model. EXPERIMENTAL DESIGN We treated the engineered MIC-expressing "humanized" TRAMP/MIC bitransgenic mice at advanced disease stages with a sMIC-neutralizing nonblocking anti-MIC mAb and assessed the therapeutic efficacy and associated mechanisms. RESULTS A sMIC-neutralizing nonblocking anti-MIC mAb effectively induced regression of primary tumors and eliminated metastasis without inducing systemic toxicity. The therapeutic effect is conferred by revamping endogenous antitumor immune responses, exemplified by restoring natural killer (NK) cell homeostasis and function, enhancing susceptibility of MIC(+)-tumor cells to NK cell killing, reviving and sustaining antigen-specific CD8 T-cell responses, augmenting CD4 T cells to Th1 responses, priming dendritic cells for antigen presentation, and remodeling tumor microenvironment to be more immune reactive. CONCLUSIONS Therapy with a sMIC-neutralizing nonblocking anti-MIC mAb can effectuate antitumor immune responses against advanced MIC(+) tumors. Our study provided strong rationale for translating sMIC-neutralizing therapeutic mAb into clinics, either alone or in combination with current ongoing standard immunotherapies.
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Affiliation(s)
- Shengjun Lu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Jinyu Zhang
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Dai Liu
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Guangfu Li
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina. Cancer Immunology Program, Hollings Cancer Center, Charleston, South Carolina
| | - Kevin F Staveley-O'Carroll
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina. Cancer Immunology Program, Hollings Cancer Center, Charleston, South Carolina
| | - Zihai Li
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina. Cancer Immunology Program, Hollings Cancer Center, Charleston, South Carolina
| | - Jennifer D Wu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina. Cancer Immunology Program, Hollings Cancer Center, Charleston, South Carolina. Department of Medicine, University of Washington, Seattle, Washington.
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Abstract
The activating/co-stimulatory receptor NKG2D (natural-killer group 2, member D) is expressed on the surface of all human NK, NKT, CD8(+) T, and subsets of γδ(+) T cells. The significance of NKG2D function in tumor immunity has been well demonstrated in experimental animal models. However, the role of human NKG2D ligands in regulating tumor immunity and cancer prognosis had been controversial in the literature. In this review, we summarize the latest advancement, discuss the controversies, and present evidence that membrane-bound and soluble NKG2D ligands oppositely regulate tumor immunity. We also discuss new perspectives of targeting NKG2D ligands for cancer immunotherapy.
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Affiliation(s)
- Jinyu Zhang
- Department of Microbiology and Immunology, Medical University of South Carolina , Charleston, SC , USA
| | - Fahmin Basher
- Department of Microbiology and Immunology, Medical University of South Carolina , Charleston, SC , USA
| | - Jennifer D Wu
- Department of Microbiology and Immunology, Medical University of South Carolina , Charleston, SC , USA ; Cancer Immunology Program, Hollings Cancer Center , Charleston, SC , USA
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Xiao G, Wang X, Sheng J, Lu S, Yu X, Wu JD. Soluble NKG2D ligand promotes MDSC expansion and skews macrophage to the alternatively activated phenotype. J Hematol Oncol 2015; 8:13. [PMID: 25887583 PMCID: PMC4342005 DOI: 10.1186/s13045-015-0110-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Accepted: 01/14/2015] [Indexed: 12/19/2022] Open
Abstract
Expression of surface NKG2D ligand MIC on tumor cells is deemed to stimulate NK and co-stimulate CD8 T cell anti-tumor immunity. Human cancer cells however frequently adopt a proteinase-mediated shedding strategy to generate soluble MIC (sMIC) to circumvent host immunity. High levels of sMIC have been shown to correlate with advanced disease stages in cancer patients. The underlying mechanism is currently understood as systemic downregulation of NKG2D expression on CD8 T and NK cells and perturbing NK cell periphery maintenance. Herein we report a novel mechanism by which sMIC poses immune suppressive effect on host immunity and tumor microenvironment. We demonstrate that sMIC facilitates expansion of myeloid-derived suppressor cells (MDSCs) and skews macrophages to the more immune suppressive alternative phenotype through activation of STAT3. These findings further endorse that sMIC is an important therapeutic target for cancer immunotherapy.
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Affiliation(s)
- Gang Xiao
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA. .,Present address: The Third Hospital of South Medical University, Guangzhou, China.
| | - Xuanjun Wang
- Key Lab for Puer Tea Science, Ministry of Education, Yunnan Agricultural University, Kunming, China.
| | - Jun Sheng
- Key Lab for Puer Tea Science, Ministry of Education, Yunnan Agricultural University, Kunming, China
| | - Shengjun Lu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA. .,Present Address: Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Xuezhong Yu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA. .,Cancer Immunology Program, Hollings Cancer Center, Charleston, SC, USA.
| | - Jennifer D Wu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA. .,Cancer Immunology Program, Hollings Cancer Center, Charleston, SC, USA.
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Liu G, Lu S, Wang X, Page ST, Higano CS, Plymate SR, Greenberg NM, Sun S, Li Z, Wu JD. Perturbation of NK cell peripheral homeostasis accelerates prostate carcinoma metastasis. J Clin Invest 2013; 123:4410-22. [PMID: 24018560 DOI: 10.1172/jci69369] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Accepted: 07/11/2013] [Indexed: 02/04/2023] Open
Abstract
The activating receptor NK cell group 2 member D (NKG2D) mediates antitumor immunity in experimental animal models. However, whether NKG2D ligands contribute to tumor suppression or progression clinically remains controversial. Here, we have described 2 novel lines of "humanized" bi-transgenic (bi-Tg) mice in which native human NKG2D ligand MHC class I polypeptide-related sequence B (MICB) or the engineered membrane-restricted MICB (MICB.A2) was expressed in the prostate of the transgenic adenocarcinoma of the mouse prostate (TRAMP) model of spontaneous carcinogenesis. Bi-Tg TRAMP/MICB mice exhibited a markedly increased incidence of progressed carcinomas and metastasis, whereas TRAMP/MICB.A2 mice enjoyed long-term tumor-free survival conferred by sustained NKG2D-mediated antitumor immunity. Mechanistically, we found that cancer progression in TRAMP/MICB mice was associated with loss of the peripheral NK cell pool owing to high serum levels of tumor-derived soluble MICB (sMICB). Prostate cancer patients also displayed reduction of peripheral NK cells and high sMIC levels. Our study has not only provided direct evidence in "humanized" mouse models that soluble and membrane-restricted NKG2D ligands pose opposite impacts on cancer progression, but also uncovered a mechanism of sMIC-induced impairment of NK cell antitumor immunity. Our findings suggest that the impact of soluble NKG2D ligands should be considered in NK cell-based cancer immunotherapy and that our unique mouse models should be valuable for therapy optimization.
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Florczyk SJ, Liu G, Kievit FM, Lewis AM, Wu JD, Zhang M. 3D porous chitosan-alginate scaffolds: a new matrix for studying prostate cancer cell-lymphocyte interactions in vitro. Adv Healthc Mater 2012. [PMID: 23184794 DOI: 10.1002/adhm.201100054] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The treatment of castration-resistant prostate cancer (CRPC) remains palliative. Immunotherapy offers a potentially effective therapy for CRPC; however, its advancement into the clinic has been slow, in part because of the lack of representative in vitro tumor models that resemble the in vivo tumor microenvironment for studying interactions of CRPC cells with immune cells and other potential therapeutics. This study evaluates the use of 3D porous chitosan-alginate (CA) scaffolds for culturing human prostate cancer (PCa) cells and studying tumor cell interaction with human peripheral blood lymphocytes (PBLs) ex vivo. CA scaffolds and Matrigel matrix samples support in vitro tumor spheroid formation over 15 d of culture, and CA scaffolds support live-cell fluorescence imaging with confocal microscopy using stably transfected PCa cells for 55 d. PCa cells grown in Matrigel matrix and CA scaffolds for 15 d are co-cultured with PBLs for 2 and 6 d in vitro and evaluated with scanning electron microscopy (SEM), immunohistochemistry (IHC), and flow cytometry. Both the Matrigel matrix and CA scaffolds support interaction of PBLs with PCa tumors, with CA scaffolds providing a more robust platform for subsequent analyses. This study demonstrates the use of 3D natural polymer scaffolds as a tissue culture model for supporting long-term analysis of interaction of prostate cancer tumor cells with immune cells, providing an in vitro platform for rapid immunotherapy development.
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Affiliation(s)
- Stephen J Florczyk
- Department of Materials Science and Engineering, University of Washington, 302L Roberts Hall, Box 352120, Seattle, WA, 98195, USA
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Xu QY, Yin GW, Chen SX, Jiang F, Bai XJ, Wu JD. Fluoroscopically guided nose tube drainage of mediastinal abscesses in post-operative gastro-oesophageal anastomotic leakage. Br J Radiol 2012; 85:1477-81. [PMID: 22806622 DOI: 10.1259/bjr/53905073] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE The aim of this study was to retrospectively evaluate the technical success rates and clinical effectiveness of fluoroscopically guided nose tube drainage of mediastinal abscesses and a nasojejunum feeding tube in post-operative gastro-oesophageal anastomotic leakage (GEAL). METHODS From January 2006 to June 2011, 18 cases of post-operative GEAL with mediastinal abscesses after oesophagectomy with intrathoracic oesophagogastric anastomotic procedures for oesophageal and cardiac carcinoma were treated by insertion of a nose drainage tube and nasojejunum feeding tube under fluoroscopic guidance. We evaluated the feasibility of two-tube insertion to facilitate leakage site closure and complete resolution of the abscess, and the patients' nutritional benefit was also evaluated by checking the serum albumin level between pre- and post-enteral feeding via the feeding tube. RESULTS The two tubes were placed successfully under fluoroscopic guidance in 18 patients (100%). The procedure time for two-tube insertion ranged from 20 to 40 min (mean 30 min). 17 patients (94%) achieved leakage site closure after two-tube insertion and had a good tolerance of two tubes in the nasal cavity. The serum albumin level was significant, increased from pre-enteral feeding (2.49 ± 0.42 g dl(-1)) to the post-enteral feeding (3.58 ± 0.47 g dl(-1)) via the feeding tube (p<0.001). The duration of follow-up ranged from 1 to 49 months (mean 19 months). CONCLUSION The insertion of nose tube drainage and a nasojejunum feeding tube under fluoroscopic guidance is safe, and it provides effective relief from mediastinal abscesses in GEAL after oesophagectomy. Moreover, our findings indicate that two-tube insertion may be used as a selective procedure to treat mediastinal abscesses in post-operative GEAL. Advances in knowledge Directive drainage of mediastinal abscesses in post-operative GEAL may be an effective treatment.
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Affiliation(s)
- Q Y Xu
- Department of Interventional Radiology, Cancer Hospital of Jiangsu Province, Cancer Institution of Jiangsu Province, Nanjing, China
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Abstract
Abstract
Increased elevated levels of serum IL-6, the major inflammatory mediator, has been shown to be associated with development of progressive diseases in many types of cancers. We have previously shown that chronic exposure of immortalized benign prostate epithelial cells to paracrine IL-6 can induce tumorigenic transformation and further EMT (epithelial-mesochymal-transition)-associated metastasis in xenografts through stimulating autocrine IL-6 signaling and transactivating type I Insulin-like Growth Factor Receptor (IGF-IR). Whether IL-6, as a result of inflammation, in the tissue microenvironment can solely initiate tissue-specific de novo tumorigenesis is unclear. To address this question, we have generated a novel line of prostate-specific IL-6 transgenic mouse, in which human IL-6 (hIL-6) was expressed under the prostate-specific probasin promoter. We found that enforced expression of hIL-6 transgene in normal mouse prostate epithelium is sufficient to induce neoplastic transformation of the prostate gland, demonstrated by disappearance of base cell layer of the prostate gland and loss of E-cadherin and increased proliferation of the epithelium. Expression of the hIL-6 transgene also induced autocrine mouse IL-6 secretion in the prostate gland and sustained activation of STAT3 pathway in the epithelium and the stroma. Strikingly, IL-6 transgenic mice have increased peri-prostatic adipose tissue in which STAT3 was highly phosphorylated in comparison to the wild-type littermate. There is no significant increase in infiltration of T cells or B cells in the prostate of IL-6 transgenic animals. However, significantly increased infiltration (P<0.01) of FoxP3+ lymphocytes was seen in the stroma of the prostate in the IL-6 transgenic animals in comparison to wild-type littermates. These data suggest that IL-6 as a pro-inflammatory cytokine alone can induce tissue-specific tumorigenesis through induction of autocrine IL-6 secretion and remodeling tissue microenvironment. Our finding suggests that inflammation may play a direct role beyond being the “stimuli” or “fuel” in tumorigenesis.
Citation Format: {Authors}. {Abstract title} [abstract]. In: Proceedings of the 103rd Annual Meeting of the American Association for Cancer Research; 2012 Mar 31-Apr 4; Chicago, IL. Philadelphia (PA): AACR; Cancer Res 2012;72(8 Suppl):Abstract nr 321. doi:1538-7445.AM2012-321
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Affiliation(s)
| | - Gang Liu
- 2University of Washington, Seattle, WA
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Jiang K, Zhu JJ, Wu JD, Sun J, Hu ZG, Chu JH. Influences of oxygen pressure on optical properties and interband electronic transitions in multiferroic bismuth ferrite nanocrystalline films grown by pulsed laser deposition. ACS Appl Mater Interfaces 2011; 3:4844-4852. [PMID: 22103473 DOI: 10.1021/am201340d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Bismuth ferrite (BiFeO(3)) nanocrystalline films with the crystalline size of 27-40 nm have been grown on c-sapphire substrates under various oxygen pressures of 1 × 10(-4) to 1 Pa by pulsed laser deposition. The X-ray diffraction spectra show that the films are polycrystalline and present the pure rhombohedral phase. It was found that the Raman-active phonon mode E(TO1) shifts towards a higher energy side from 74 to 76 cm(-1) with increasing oxygen pressure, indicating a larger tensile stress in the films deposited at higher oxygen pressure. The X-ray photoelectron spectroscopy analysis suggests that the concentrations of both Fe(2+) ions and oxygen vacancies in the BiFeO(3) films increase with decreasing oxygen pressure. Moreover, the dielectric functions in the photon energy range of 0.47-6.5 eV have been extracted by fitting the transmittance spectra with the Tauc-Lorentz dispersion model. From the transmittance spectra, the fundamental absorption edge is observed to present a redshift trend with increasing the temperature from 8 to 300 K. Note that the optical band gap (E(g)) decreases with increasing the temperature due to the electron-phonon interactions associated with the interatomic distance in the BiFeO(3) films. However, the E(g) decreases from 2.88 to 2.78 eV with decreasing oxygen pressure at 8 K, which can be attributed to the increment of oxygen vacancies leading to the formation of some impurity states between the valence and conduction band. It can be concluded that the oxygen pressure during the film fabrication has the significant effects on microstructure, optical properties, and electronic band structure modification of the BiFeO(3) films.
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Affiliation(s)
- K Jiang
- Key Laboratory of Polar Materials and Devices, Ministry of Education, Department of Electronic Engineering, East China Normal University, Shanghai 200241, People's Republic of China
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Liu G, Atteridge CL, Wang X, Lundgren AD, Wu JD. The membrane type matrix metalloproteinase MMP14 mediates constitutive shedding of MHC class I chain-related molecule A independent of A disintegrin and metalloproteinases. J Immunol 2010; 184:3346-50. [PMID: 20208009 DOI: 10.4049/jimmunol.0903789] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Engagement of tumor cell surface MHC class I chain-related molecule A (MICA) to NKG2D stimulates NK and T cell antitumor immunity. Shedding of MICA by tumor cells facilitates tumor immune evasion, which may in part contribute to tumor progression. Thus, elucidating the mechanisms by which tumors shed MIC is of great importance for therapy to reinforce NK and T cell antitumor immunity. In this study, we report that the membrane type matrix metalloproteinase (MMP)14 mediates MICA shedding. Suppression of MMP14 expression blocks MICA shedding. Concomitantly, overexpression of MMP14 enhances MICA shedding. The regulation of MICA shedding by MMP14 is independent of the activity of a disintegrin and metalloproteinases, which have been reported to mediate MICA shedding. Finally, MMP14 expression in MICA-positive tumor cells regulates the sensitivity of tumor cells to NK cell killing. These findings suggest that MMP14 may be a new target for tumor immune therapy.
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Affiliation(s)
- Gang Liu
- Department of Medicine, University of Washington, Seattle, WA 98105
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Sprenger CCT, Haugk K, Sun S, Coleman I, Nelson PS, Vessella RL, Ludwig DL, Wu JD, Plymate SR. Transforming Growth Factor-{beta}-Stimulated Clone-22 Is an Androgen-Regulated Gene That Enhances Apoptosis in Prostate Cancer following Insulin-Like Growth Factor-I Receptor Inhibition. Clin Cancer Res 2009; 15:7634-7641. [PMID: 19996218 DOI: 10.1158/1078-0432.ccr-09-0264] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE: Inhibition of insulin-like growth factor (IGF) signaling using the human IGF-I receptor monoclonal antibody A12 is most effective at inducing apoptosis in prostate cancer xenografts in the presence of androgen. We undertook this study to determine mechanisms for increased apoptosis by A12 in the presence of androgens. Experimental Methods: The castrate-resistant human xenograft LuCaP 35 V was implanted into intact or castrate severe combined immunodeficient mice and treated with A12 weekly. After 6 weeks of tumor growth, animals were sacrificed and tumors were removed and analyzed for cell cycle distribution/apoptosis and cDNA arrays were done. RESULTS: In castrate mice, the tumors were delayed in G(2) with no apoptosis; in contrast, tumors from intact mice underwent apoptosis with either G(1) or G(2) delay. Transforming growth factor-beta-stimulated clone-22 (TSC-22) was significantly elevated in tumors from the intact mice compared with castrate mice, especially in those tumors with the highest levels of apoptosis. To further determine the function of TSC-22, we transfected various human prostate cancer cell lines with a plasmid expressing TSC-22. Cell lines overexpressing TSC-22 showed an increase in apoptosis and a delay in G(1). When these cell lines were placed subcutaneously in athymic nude mice, a decreased number of animals formed tumors and the rate of tumor growth was decreased compared with control tumors. CONCLUSIONS: These data indicate that IGF-I receptor inhibition in the presence of androgen has an enhanced effect on decreasing tumor growth, in part, through increased expression of the tumor suppressor gene TSC-22. (Clin Cancer Res 2009;15(24):7634-41).
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Affiliation(s)
- Cynthia C T Sprenger
- Authors' Affiliations: Departments of Medicine and Urology, University of Washington; Puget Sound Veterans Affairs Health Care System; Fred Hutchinson Cancer Research Center, Seattle, Washington and Imclone Systems, Inc., New York, New York
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Wu JD, Atteridge CL, Wang X, Seya T, Plymate SR. Obstructing shedding of the immunostimulatory MHC class I chain-related gene B prevents tumor formation. Clin Cancer Res 2009; 15:632-40. [PMID: 19147769 DOI: 10.1158/1078-0432.ccr-08-1305] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Clinical observations have suggested that shedding of the MHC class I chain-related molecule (MIC) may be one of the mechanisms by which tumors evade host immunosurveillance and progress. However, this hypothesis has never been proven. In this study, we tested this hypothesis using a prostate tumor model and investigated the effect of shedding of MIC on tumor development. EXPERIMENTAL DESIGN We generated a shedding-resistant noncleavable form of MICB (MICB.A2). We overexpressed MICB.A2, the wild-type MICB, and the recombinant soluble MICB (rsMICB) in mouse prostate tumor TRAMP-C2 (TC2) cells and implanted these cells into severe combined immunodeficient mice. RESULTS No tumors were developed in animals that were implanted with TC2-MICB.A2 cells, whereas all the animals that were implanted with TC2, TC2-MICB, or TC2-rsMICB cells developed tumors. When a NKG2D-specific antibody CX5 or purified rsMICB was administered to animals before tumor implantation, all animals that were implanted with TC2-MICB.A2 cells developed tumors. In vitro cytotoxicity assay revealed the loss of NKG2D-mediated natural killer cell function in these prechallenged animals, suggesting that persistent levels of soluble MICB in the serum can impair natural killer cell function and thus allow tumor growth. CONCLUSIONS These data suggest that MIC shedding may contribute significantly to tumor formation by transformed cells and that inhibition of MIC shedding to sustain the NKG2D receptor-MIC ligand recognition may have potential clinical implication in targeted cancer treatment.
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Affiliation(s)
- Jennifer D Wu
- Department of Medicine, University of Washington, 325 9th Avenue, Box 359625, Seattle, WA 98104, USA.
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Wang X, Lundgren AD, Singh P, Goodlett DR, Plymate SR, Wu JD. An six-amino acid motif in the alpha3 domain of MICA is the cancer therapeutic target to inhibit shedding. Biochem Biophys Res Commun 2009; 387:476-81. [PMID: 19615970 DOI: 10.1016/j.bbrc.2009.07.062] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2009] [Accepted: 07/11/2009] [Indexed: 01/01/2023]
Abstract
Expression of the MHC class I chain related molecules A and B (MICA/B) on tumor cell surface can signal the immune receptor NKG2D for tumor immune destruction. However, MIC was found to be shed by tumors in cancer patients, which negatively regulates host immunity and promotes tumor immune evasion and progression. The mechanisms by which tumors shed MIC are not well understood although diverse groups of enzymes are suggested to be involved. The functional complexity of these enzymes makes them unfeasible therapeutic targets for inhibiting MIC shedding. Here we identified an six-amino acid (6-aa) motif in the alpha3 domain of MIC that is critical for the interaction of MIC with ERp5 to enable shedding. Mutations in this motif prevented MIC shedding but did not interfere with NKG2D-mediated recognition of MIC. Our study suggests that the 6-aa motif is a feasible target to inhibit MIC shedding for cancer therapy.
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Affiliation(s)
- Xuanjun Wang
- Department of Medicine, University of Washington, 325 9th Ave., Seattle, WA 98104, USA
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