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Wang ZT, Deng ZM, Dai FF, Yuan MQ, Liu SY, Li BS, Cheng YX. Tumor immunity: A brief overview of tumor‑infiltrating immune cells and research advances into tumor‑infiltrating lymphocytes in gynecological malignancies (Review). Exp Ther Med 2024; 27:166. [PMID: 38476909 PMCID: PMC10928974 DOI: 10.3892/etm.2024.12453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 01/03/2023] [Indexed: 03/14/2024] Open
Abstract
Tumor immunity is a promising topic in the area of cancer therapy. The 'soil' function of the tumor microenvironment (TME) for tumor growth has attracted wide attention from scientists. Tumor-infiltrating immune cells in the TME, especially the tumor-infiltrating lymphocytes (TILs), serve a key role in cancer. Firstly, relevant literature was searched in the PubMed and Web of Science databases with the following key words: 'Tumor microenvironment'; 'TME'; 'tumor-infiltrating immunity cells'; 'gynecologic malignancies'; 'the adoptive cell therapy (ACT) of TILs'; and 'TIL-ACT' (https://pubmed.ncbi.nlm.nih.gov/). According to the title and abstract of the articles, relevant items were screened out in the preliminary screening. The most relevant selected items were of two types: All kinds of tumor-infiltrating immune cells; and advanced research on TILs in gynecological malignancies. The results showed that the subsets of TILs were various and complex, while each subpopulation influenced each other and their effects on tumor prognosis were diverse. Moreover, the related research and clinical trials on TILs were mostly concentrated in melanoma and breast cancer, but relatively few focused on gynecological tumors. In conclusion, the present review summarized the biological classification of TILs and the mechanisms of their involvement in the regulation of the immune microenvironment, and subsequently analyzed the development of tumor immunotherapy for TILs. Collectively, the present review provides ideas for the current treatment dilemma of gynecological tumor immune checkpoints, such as adverse reactions, safety, personal specificity and efficacy.
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Affiliation(s)
- Zi-Tao Wang
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Zhi-Min Deng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Fang-Fang Dai
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Meng-Qin Yuan
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Shi-Yi Liu
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Bing-Shu Li
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Yan-Xiang Cheng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
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Cao H, Li H, Luan N, Zhang H, Lin K, Hu J, Song J, Liu C. A rabies mRNA vaccine with H270P mutation in its glycoprotein induces strong cellular and humoral immunity. Vaccine 2024; 42:1116-1121. [PMID: 38262810 DOI: 10.1016/j.vaccine.2024.01.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 01/25/2024]
Abstract
Rabies is a lethal zoonotic disease that kills approximately 60,000 people each year. As the sole virion-surface protein, the rabies virus glycoprotein (RABV-G) mediates its host-cell entry. RABV-G's pre-fusion conformation displays major known neutralizing antibody epitopes, which can be used as immunogen for prophylaxis. H270P targeted mutation can stabilize RABV-G in the pre-fusion conformation. Herein, we report the development of a highly promising rabies mRNA vaccine composed of H270P targeted mutation packaged in lipid nanoparticle (LNP), named LNP-mRNA-G-H270P. Humoral and cellular immunity of this vaccine were assessed in mice comparing to the unmodified LNP-mRNA-G and a commercially available inactivated vaccine using one-way analysis of variance (ANOVA) followed by Dunnett's multiple comparisons test. The results show the titer of RABV-G-specific IgG and virus-neutralization antibody titers (VNTs) in LNP-mRNA-G-H270P group were significant higher than those in LNP-mRNA-G and inactivated vaccine groups. Likewise, IFN-γ-secreting splenocytes, level of IL-2 in the supernatant of spleen cells, as well as IFN-γ-producing CD4+ T cells in LNP-mRNA-G-H270P group were significant higher than those in the other two vaccine groups. Hence, these results demonstrated that targeting the H270P mutation in RABV-G through an mRNA-LNP vaccine platform represents a promising strategy for developing a more efficacious rabies vaccine.
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Affiliation(s)
- Han Cao
- Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China
| | - Hui Li
- Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China
| | - Ning Luan
- Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China
| | - Haihao Zhang
- Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China
| | - Kangyang Lin
- Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China
| | - Jingping Hu
- Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China
| | - Jie Song
- Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China.
| | - Cunbao Liu
- Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China.
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3
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Mastraccio KE, Huaman C, Coggins SA, Clouse C, Rader M, Yan L, Mandal P, Hussain I, Ahmed AE, Ho T, Feasley A, Vu BK, Smith IL, Markotter W, Weir DL, Laing ED, Broder CC, Schaefer BC. mAb therapy controls CNS-resident lyssavirus infection via a CD4 T cell-dependent mechanism. EMBO Mol Med 2023; 15:e16394. [PMID: 37767784 PMCID: PMC10565638 DOI: 10.15252/emmm.202216394] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 08/17/2023] [Accepted: 08/25/2023] [Indexed: 09/29/2023] Open
Abstract
Infections with rabies virus (RABV) and related lyssaviruses are uniformly fatal once virus accesses the central nervous system (CNS) and causes disease signs. Current immunotherapies are thus focused on the early, pre-symptomatic stage of disease, with the goal of peripheral neutralization of virus to prevent CNS infection. Here, we evaluated the therapeutic efficacy of F11, an anti-lyssavirus human monoclonal antibody (mAb), on established lyssavirus infections. We show that a single dose of F11 limits viral load in the brain and reverses disease signs following infection with a lethal dose of lyssavirus, even when administered after initiation of robust virus replication in the CNS. Importantly, we found that F11-dependent neutralization is not sufficient to protect animals from mortality, and a CD4 T cell-dependent adaptive immune response is required for successful control of infection. F11 significantly changes the spectrum of leukocyte populations in the brain, and the FcRγ-binding function of F11 contributes to therapeutic efficacy. Thus, mAb therapy can drive potent neutralization-independent T cell-mediated effects, even against an established CNS infection by a lethal neurotropic virus.
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Affiliation(s)
- Kate E Mastraccio
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.MDBethesdaUSA
- Present address:
Wadsworth CenterNew York State Department of HealthAlbanyNYUSA
| | - Celeste Huaman
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.MDBethesdaUSA
| | - Si'Ana A Coggins
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.MDBethesdaUSA
| | - Caitlyn Clouse
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.MDBethesdaUSA
| | - Madeline Rader
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.MDBethesdaUSA
| | - Lianying Yan
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
| | - Pratyusha Mandal
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.MDBethesdaUSA
| | - Imran Hussain
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.MDBethesdaUSA
| | - Anwar E Ahmed
- Department of Preventive Medicine and BiostatisticsUniformed Services UniversityBethesdaMDUSA
| | - Trung Ho
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
| | - Austin Feasley
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.MDBethesdaUSA
| | - Bang K Vu
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
- Present address:
Lentigen Technology, Inc.GaithersburgMDUSA
| | - Ina L Smith
- Risk Evaluation and Preparedness Program, Health and BiosecurityCSIROBlack MountainACTAustralia
| | - Wanda Markotter
- Centre for Viral Zoonoses, Department of Medical Virology, Faculty of Health SciencesUniversity of PretoriaPretoriaSouth Africa
- Centre for Emerging Zoonotic and Parasitic DiseasesNational Institute for Communicable Diseases, National Health Laboratory ServicePretoriaSouth Africa
| | - Dawn L Weir
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
- Present address:
The Center for Bio/Molecular Science and EngineeringU.S. Naval Research LaboratoryWashingtonDCUSA
| | - Eric D Laing
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
| | - Christopher C Broder
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
| | - Brian C Schaefer
- Department of Microbiology and ImmunologyUniformed Services UniversityBethesdaMDUSA
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Wei Q, Singh O, Ekinci C, Gill J, Li M, Mamatjan Y, Karimi S, Bunda S, Mansouri S, Aldape K, Zadeh G. TNFα secreted by glioma associated macrophages promotes endothelial activation and resistance against anti-angiogenic therapy. Acta Neuropathol Commun 2021; 9:67. [PMID: 33853689 PMCID: PMC8048292 DOI: 10.1186/s40478-021-01163-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 03/19/2021] [Indexed: 02/07/2023] Open
Abstract
One of the most prominent features of glioblastoma (GBM) is hyper-vascularization. Bone marrow-derived macrophages are actively recruited to the tumor and referred to as glioma-associated macrophages (GAMs) which are thought to provide a critical role in tumor neo-vascularization. However, the mechanisms by which GAMs regulate endothelial cells (ECs) in the process of tumor vascularization and response to anti-angiogenic therapy (AATx) is not well-understood. Here we show that GBM cells secrete IL-8 and CCL2 which stimulate GAMs to produce TNFα. Subsequently, TNFα induces a distinct gene expression signature of activated ECs including VCAM-1, ICAM-1, CXCL5, and CXCL10. Inhibition of TNFα blocks GAM-induced EC activation both in vitro and in vivo and improve survival in mouse glioma models. Importantly we show that high TNFα expression predicts worse response to Bevacizumab in GBM patients. We further demonstrated in mouse model that treatment with B20.4.1.1, the mouse analog of Bevacizumab, increased macrophage recruitment to the tumor area and correlated with upregulated TNFα expression in GAMs and increased EC activation, which may be responsible for the failure of AATx in GBMs. These results suggest TNFα is a novel therapeutic that may reverse resistance to AATx. Future clinical studies should be aimed at inhibiting TNFα as a concurrent therapy in GBMs.
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Hennrich AA, Sawatsky B, Santos-Mandujano R, Banda DH, Oberhuber M, Schopf A, Pfaffinger V, Wittwer K, Riedel C, Pfaller CK, Conzelmann KK. Safe and effective two-in-one replicon-and-VLP minispike vaccine for COVID-19: Protection of mice after a single immunization. PLoS Pathog 2021; 17:e1009064. [PMID: 33882114 PMCID: PMC8092985 DOI: 10.1371/journal.ppat.1009064] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 05/03/2021] [Accepted: 04/06/2021] [Indexed: 01/12/2023] Open
Abstract
Vaccines of outstanding efficiency, safety, and public acceptance are needed to halt the current SARS-CoV-2 pandemic. Concerns include potential side effects caused by the antigen itself and safety of viral DNA and RNA delivery vectors. The large SARS-CoV-2 spike (S) protein is the main target of current COVID-19 vaccine candidates but can induce non-neutralizing antibodies, which might cause vaccination-induced complications or enhancement of COVID-19 disease. Besides, encoding of a functional S in replication-competent virus vector vaccines may result in the emergence of viruses with altered or expanded tropism. Here, we have developed a safe single round rhabdovirus replicon vaccine platform for enhanced presentation of the S receptor-binding domain (RBD). Structure-guided design was employed to build a chimeric minispike comprising the globular RBD linked to a transmembrane stem-anchor sequence derived from rabies virus (RABV) glycoprotein (G). Vesicular stomatitis virus (VSV) and RABV replicons encoding the minispike not only allowed expression of the antigen at the cell surface but also incorporation into the envelope of secreted non-infectious particles, thus combining classic vector-driven antigen expression and particulate virus-like particle (VLP) presentation. A single dose of a prototype replicon vaccine complemented with VSV G, VSVΔG-minispike-eGFP (G), stimulated high titers of SARS-CoV-2 neutralizing antibodies in mice, equivalent to those found in COVID-19 patients, and protected transgenic K18-hACE2 mice from COVID-19-like disease. Homologous boost immunization further enhanced virus neutralizing activity. The results demonstrate that non-spreading rhabdovirus RNA replicons expressing minispike proteins represent effective and safe alternatives to vaccination approaches using replication-competent viruses and/or the entire S antigen.
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Affiliation(s)
- Alexandru A. Hennrich
- Max von Pettenkofer Institute Virology, and Gene Center, LMU Munich, Munich, Germany
| | - Bevan Sawatsky
- Department of Veterinary Medicine, Paul-Ehrlich-Institute, Langen, Germany
| | | | - Dominic H. Banda
- Max von Pettenkofer Institute Virology, and Gene Center, LMU Munich, Munich, Germany
| | - Martina Oberhuber
- Max von Pettenkofer Institute Virology, and Gene Center, LMU Munich, Munich, Germany
| | - Anika Schopf
- Max von Pettenkofer Institute Virology, and Gene Center, LMU Munich, Munich, Germany
| | - Verena Pfaffinger
- Max von Pettenkofer Institute Virology, and Gene Center, LMU Munich, Munich, Germany
| | - Kevin Wittwer
- Department of Veterinary Medicine, Paul-Ehrlich-Institute, Langen, Germany
| | - Christiane Riedel
- Institute of Virology, Department of Pathobiology, University of Veterinary Medicine Vienna, Vienna, Austria
| | | | - Karl-Klaus Conzelmann
- Max von Pettenkofer Institute Virology, and Gene Center, LMU Munich, Munich, Germany
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6
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Sun C, Liu P, Cui Y, Li K, Qu W, Jin B, Peng F, Zhao J, Zhang X. Retrospective cohort study comparing the epidemiological and clinical characteristics between imported and local COVID-19 inpatients in Nanyang, China. J Investig Med 2021; 69:704-709. [PMID: 33361401 PMCID: PMC7759757 DOI: 10.1136/jim-2020-001643] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2020] [Indexed: 12/22/2022]
Abstract
China has experienced an outbreak of COVID-19 since December 2019. This study investigated the differences between the imported and local cases of COVID-19 in Nanyang, China. In this study, a total of 129 COVID-19 confirmed cases with a clear epidemiological history admitted to hospitals in Nanyang from January 24 to February 26, 2020 were enrolled. Patients who had a travel history to or a residence history in Wuhan or in the surrounding areas in Hubei Province within 14 days before the illness onset were assigned to the imported group (n=70), and the others were assigned to the local group (n=59). The differences in epidemiological characteristics, clinical features, laboratory and imaging results, and prognosis were compared between the 2 groups. The early diagnosed cases were mainly imported cases, and the later diagnosed ones were mainly local cases. The most common first symptom was fever; moderate fever was commonly seen in imported cases whereas low fever was commonly seen in local cases. Lymphocyte counts in the imported group were lower than those in the local group. The imported group showed more advanced and severe abnormalities in the CT scan whereas the local group showed milder pulmonary abnormalities. The proportion of severe and critically severe patients in the imported group was higher than that in the local group. In conclusion, the imported cases have more severe or critically severe patients with a higher mortality rate than the local cases.
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Affiliation(s)
- Chan Sun
- Department of Respiratory Disease and Intensive Care, Nanyang Central Hospital, Nanyang, 473000, China
| | - Peipei Liu
- Department of Respiratory Disease and Intensive Care, Nanyang Central Hospital, Nanyang, 473000, China
| | - Yanhong Cui
- Department of Respiratory Disease and Intensive Care, Nanyang Central Hospital, Nanyang, 473000, China
| | - Kefang Li
- Department of Respiratory Disease and Intensive Care, Nanyang Central Hospital, Nanyang, 473000, China
| | - Weiwei Qu
- Department of Respiratory Disease and Intensive Care, Nanyang Central Hospital, Nanyang, 473000, China
| | - Bo Jin
- Department of Respiratory Disease and Intensive Care, Nanyang Central Hospital, Nanyang, 473000, China
| | - Fei Peng
- Department of Respiratory Disease and Intensive Care, Nanyang Central Hospital, Nanyang, 473000, China
| | - Jiang Zhao
- Department of Respiratory Disease and Intensive Care, Nanyang Central Hospital, Nanyang, 473000, China
| | - Xiaoyu Zhang
- Department of Respiratory Disease and Intensive Care, Henan Provincial People's Hospital, People's Hospital to Zhengzhou University, Zhengzhou, 450003, China
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7
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Embregts CWE, Begeman L, Voesenek CJ, Martina BEE, Koopmans MPG, Kuiken T, GeurtsvanKessel CH. Street RABV Induces the Cholinergic Anti-inflammatory Pathway in Human Monocyte-Derived Macrophages by Binding to nAChr α7. Front Immunol 2021; 12:622516. [PMID: 33679766 PMCID: PMC7933221 DOI: 10.3389/fimmu.2021.622516] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 01/29/2021] [Indexed: 12/15/2022] Open
Abstract
Rabies virus (RABV) is able to reach the central nervous system (CNS) without triggering a strong immune response, using multiple mechanisms to evade and suppress the host immune system. After infection via a bite or scratch from a rabid animal, RABV comes into contact with macrophages, which are the first antigen-presenting cells (APCs) that are recruited to the area and play an essential role in the onset of a specific immune response. It is poorly understood how RABV affects macrophages, and if the interaction contributes to the observed immune suppression. This study was undertaken to characterize the interactions between RABV and human monocyte-derived macrophages (MDMs). We showed that street RABV does not replicate in human MDMs. Using a recombinant trimeric RABV glycoprotein (rRABV-tG) we showed binding to the nicotinic acetylcholine receptor alpha 7 (nAChr α7) on MDMs, and confirmed the specificity using the nAChr α7 antagonist alpha-bungarotoxin (α-BTX). We found that this binding induced the cholinergic anti-inflammatory pathway (CAP), characterized by a significant decrease in tumor necrosis factor α (TNF-α) upon LPS challenge. Using confocal microscopy we found that induction of the CAP is associated with significant cytoplasmic retention of nuclear factor κB (NF-κB). Co-cultures of human MDMs exposed to street RABV and autologous T cells further revealed that the observed suppression of MDMs might affect their function as T cell activators as well, as we found a significant decrease in proliferation of CD8+ T cells and an increased production of the anti-inflammatory cytokine IL-10. Lastly, using flow cytometric analysis we observed a significant increase in expression of the M2-c surface marker CD163, hinting that street RABV might be able to affect macrophage polarization. Taken together, these results show that street RABV is capable of inducing an anti-inflammatory state in human macrophages, possibly affecting T cell functioning.
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Affiliation(s)
| | - Lineke Begeman
- Department of Viroscience, Erasmus Medical Center, Rotterdam, Netherlands
| | | | | | | | - Thijs Kuiken
- Department of Viroscience, Erasmus Medical Center, Rotterdam, Netherlands
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8
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Wouters R, Bevers S, Riva M, De Smet F, Coosemans A. Immunocompetent Mouse Models in the Search for Effective Immunotherapy in Glioblastoma. Cancers (Basel) 2020; 13:E19. [PMID: 33374542 PMCID: PMC7793150 DOI: 10.3390/cancers13010019] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/19/2020] [Accepted: 12/20/2020] [Indexed: 12/12/2022] Open
Abstract
Glioblastoma (GBM) is the most aggressive intrinsic brain tumor in adults. Despite maximal therapy consisting of surgery and radio/chemotherapy, GBM remains largely incurable with a median survival of less than 15 months. GBM has a strong immunosuppressive nature with a multitude of tumor and microenvironment (TME) derived factors that prohibit an effective immune response. To date, all clinical trials failed to provide lasting clinical efficacy, despite the relatively high success rates of preclinical studies to show effectivity of immunotherapy. Various factors may explain this discrepancy, including the inability of a single mouse model to fully recapitulate the complexity and heterogeneity of GBM. It is therefore critical to understand the features and limitations of each model, which should probably be combined to grab the full spectrum of the disease. In this review, we summarize the available knowledge concerning immune composition, stem cell characteristics and response to standard-of-care and immunotherapeutics for the most commonly available immunocompetent mouse models of GBM.
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Affiliation(s)
- Roxanne Wouters
- Laboratory of Tumor Immunology and Immunotherapy, Department of Oncology, Leuven Cancer Institute, KU Leuven, 3000 Leuven, Belgium; (R.W.); (S.B.); (M.R.)
- Oncoinvent, A.S., 0484 Oslo, Norway
| | - Sien Bevers
- Laboratory of Tumor Immunology and Immunotherapy, Department of Oncology, Leuven Cancer Institute, KU Leuven, 3000 Leuven, Belgium; (R.W.); (S.B.); (M.R.)
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging and Pathology, KU Leuven, 3000 Leuven, Belgium;
| | - Matteo Riva
- Laboratory of Tumor Immunology and Immunotherapy, Department of Oncology, Leuven Cancer Institute, KU Leuven, 3000 Leuven, Belgium; (R.W.); (S.B.); (M.R.)
- Department of Neurosurgery, Mont-Godinne Hospital, UCL Namur, 5530 Yvoir, Belgium
| | - Frederik De Smet
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging and Pathology, KU Leuven, 3000 Leuven, Belgium;
| | - An Coosemans
- Laboratory of Tumor Immunology and Immunotherapy, Department of Oncology, Leuven Cancer Institute, KU Leuven, 3000 Leuven, Belgium; (R.W.); (S.B.); (M.R.)
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9
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Lebrun A, Kean RB, Hooper DC. Brain tissue-resident immune memory cells are required for long-term protection against CNS infection with rabies virus. Future Virol 2020; 15:755-761. [PMID: 33343683 DOI: 10.2217/fvl-2020-0132] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 11/17/2020] [Indexed: 12/25/2022]
Abstract
Immune memory cells residing in previously infected, nonlymphoid tissues play a role in immune surveillance. In the event that circulating antibodies fail to prevent virus spread to the tissues in a secondary infection, these memory cells provide an essential defense against tissue reinfection. CNS tissues are isolated from circulating immune cells and antibodies by the blood-brain barrier, making the presence of tissue-resident immune memory cells particularly needed to combat recurrent infection by neurotropic viruses. Wild-type and laboratory-engineered rabies viruses are neurotropic, differ in pathogenicity, and have varying effects on BBB functions. These viruses have proven invaluable tools in demonstrating the importance of tissue-resident immune memory cells in the reinfection of CNS tissues. Only Type 1 immune memory is effective at therapeutically clearing a secondary infection with wild-type rabies viruses from the CNS and does so despite the maintenance of blood-brain barrier integrity.
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Affiliation(s)
- Aurore Lebrun
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Rhonda B Kean
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - D Craig Hooper
- Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA
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10
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Wang F, Xu C, Peng R, Li B, Shen X, Zheng H, Lao X. Effect of a C-end rule modification on antitumor activity of thymosin α1. Biochimie 2018; 154:99-106. [PMID: 30096371 DOI: 10.1016/j.biochi.2018.08.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Accepted: 08/04/2018] [Indexed: 12/27/2022]
Abstract
Thymosin α1 (Tα1), a hormone containing 28 amino acids, has been approved in several cancer therapies, but the lack of tumor-targeting hinders its full use in tumor treatment. We designed a new peptide by connecting Tα1 and RGDR, generating a product, Tα1-RGDR, where RGDR is located in the C-end with both tumor-homing and cell internalizing properties (C-end rule peptides, a consensus R/KXXR/K motif). This work aimed to study the antitumor and immunological activities of Tα1-RGDR, and its differences compared with the wild-type Tα1. The antitumor and immunological activities of Tα1-RGDR were measured using the B16F10 tumor and immunologic suppression models. Tα1-RGDR treatment led to significant inhibition of tumor growth at a dose at which Tα1 showed a slight effect in the B16F10 tumor growth model. In the immunologic suppression model, Tα1-RGDR shared almost equivalent immunomodulatory effect with Tα1. These results demonstrated the better therapeutic effects after treatment with Tα1-RGDR compared with Tα1. Moreover, both Tα1-RGDR and Tα1 shared a helical conformation in the presence of trifluoroethanol based on CD spectroscopy. Our dock information of Tα1-RGDR when combined with integrin αvβ3 or neuropilin-1 further confirmed previous experimental results. All these findings suggest that Tα1-RGDR might be a useful therapy for tumors by overcoming its wild type limitation of tumor homing.
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Affiliation(s)
- Fanwen Wang
- School of Life Science and Technology, China Pharmaceutical University, 24 Tongjiaxiang 24, Nanjing, 210009, China
| | - Caoying Xu
- School of Life Science and Technology, China Pharmaceutical University, 24 Tongjiaxiang 24, Nanjing, 210009, China
| | - Renhao Peng
- School of Life Science and Technology, China Pharmaceutical University, 24 Tongjiaxiang 24, Nanjing, 210009, China
| | - Bin Li
- School of Life Science and Technology, China Pharmaceutical University, 24 Tongjiaxiang 24, Nanjing, 210009, China
| | - Xutong Shen
- School of Life Science and Technology, China Pharmaceutical University, 24 Tongjiaxiang 24, Nanjing, 210009, China
| | - Heng Zheng
- School of Life Science and Technology, China Pharmaceutical University, 24 Tongjiaxiang 24, Nanjing, 210009, China
| | - Xingzhen Lao
- School of Life Science and Technology, China Pharmaceutical University, 24 Tongjiaxiang 24, Nanjing, 210009, China.
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Li G, Bonamici N, Dey M, Lesniak MS, Balyasnikova IV. Intranasal delivery of stem cell-based therapies for the treatment of brain malignancies. Expert Opin Drug Deliv 2017; 15:163-172. [PMID: 28895435 DOI: 10.1080/17425247.2018.1378642] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Glioblastoma (GBM) is the most aggressive malignant brain cancer in adults, and its poor prognosis and resistance to the existing standard of care require the development of innovative therapeutic modalities. The local delivery of stem cells as therapeutic carriers against glioma has produced encouraging results, but encounters obstacles with regards to the repeatability and invasiveness of administration. Intranasal delivery of therapeutic stem cells could overcome these obstacles, among others, as a noninvasive and easily repeatable mode of administration. AREAS COVERED This review describes nasal anatomy, routes of stem cell migration, and factors affecting stem cell delivery to hard-to-reach tumors. Furthermore, this review discusses the molecular mechanisms underlying stem cell migration following delivery, as well as possible stem cell effector functions to be considered in combination with intranasal delivery. EXPERT OPINION Further research is necessary to elucidate the dynamics of stem cell effector functions in the context of intranasal delivery and optimize their therapeutic potency. Nonetheless, the technique represents a promising tool against brain cancer and has the potential to be expanded for use against other brain pathologies.
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Affiliation(s)
- Gina Li
- a Department of Neurological Surgery , Feinberg School of Medicine, Northwestern University , Chicago , IL , USA
| | - Nicolas Bonamici
- a Department of Neurological Surgery , Feinberg School of Medicine, Northwestern University , Chicago , IL , USA
| | - Mahua Dey
- b Department of Neurological Surgery , Indiana University , Indianapolis , IN , USA
| | - Maciej S Lesniak
- a Department of Neurological Surgery , Feinberg School of Medicine, Northwestern University , Chicago , IL , USA
| | - Irina V Balyasnikova
- a Department of Neurological Surgery , Feinberg School of Medicine, Northwestern University , Chicago , IL , USA
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