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King HAD, Lewin SR. Immune checkpoint inhibitors in infectious disease. Immunol Rev 2024. [PMID: 39248154 DOI: 10.1111/imr.13388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2024]
Abstract
Following success in cancer immunotherapy, immune checkpoint blockade is emerging as an exciting potential treatment for some infectious diseases, specifically two chronic viral infections, HIV and hepatitis B. Here, we will discuss the function of immune checkpoints, their role in infectious disease pathology, and the ability of immune checkpoint blockade to reinvigorate the immune response. We focus on blockade of programmed cell death 1 (PD-1) to induce durable immune-mediated control of HIV, given that anti-PD-1 can restore function to exhausted HIV-specific T cells and also reverse HIV latency, a long-lived form of viral infection. We highlight several key studies and future directions of research in relation to anti-PD-1 and HIV persistence from our group, including the impact of immune checkpoint blockade on the establishment (AIDS, 2018, 32, 1491), maintenance (PLoS Pathog, 2016, 12, e1005761; J Infect Dis, 2017, 215, 911; Cell Rep Med, 2022, 3, 100766) and reversal of HIV latency (Nat Commun, 2019, 10, 814; J Immunol, 2020, 204, 1242), enhancement of HIV-specific T cell function (J Immunol, 2022, 208, 54; iScience, 2023, 26, 108165), and investigating the effects of anti-PD-1 and anti-CTLA-4 in vivo in people with HIV on ART with cancer (Sci Transl Med, 2022, 14, eabl3836; AIDS, 2021, 35, 1631; Clin Infect Dis, 2021, 73, e1973). Our future work will focus on the impact of anti-PD-1 in vivo in people with HIV on ART without cancer and potential combinations of anti-PD-1 with other interventions, including therapeutic vaccines or antibodies and less toxic immune checkpoint blockers.
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Affiliation(s)
- Hannah A D King
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Sharon R Lewin
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
- Victorian Infectious Diseases Service, Royal Melbourne Hospital at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
- Department of Infectious Diseases, Alfred Hospital and Monash University, Melbourne, Victoria, Australia
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Gómez I, Egui A, Palacios G, Carrilero B, Benítez C, Simón M, Segovia M, Carmelo E, López MC, Thomas MC. The expression of immune response genes in patients with chronic Chagas disease is shifted toward the levels observed in healthy subjects as a result of treatment with Benznidazole. Front Cell Infect Microbiol 2024; 14:1439714. [PMID: 39119291 PMCID: PMC11307780 DOI: 10.3389/fcimb.2024.1439714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Accepted: 07/02/2024] [Indexed: 08/10/2024] Open
Abstract
Introduction Chagas disease, caused by the Trypanosoma cruzi parasite infection, is a potentially life-threatening neglected tropical disease with a worldwide distribution. During the chronic phase of the disease, there exists a fragile balance between the host immune response and parasite replication that keeps patients in a clinically-silent asymptomatic stage for years or even decades. However, in 40% of patients, the disease progresses to clinical manifestations mainly affecting and compromising the cardiac system. Treatment is recommended in the chronic phase, although there are no early markers of its effectiveness. The aim of this study is to identify differential expression changes in genes involved in the immune response in antigen-restimulated PBMC from chronic patients with Chagas disease due to benznidazole treatment. Methods Thus, high-throughput real-time qPCR analysis has been performed to simultaneously determine global changes in the expression of 106 genes involved in the immune response in asymptomatic (IND) and early cardiac manifestations (CCC I) Chagas disease patients pre- and post-treatment with benznidazole. Results and discussion The results revealed that 7 out of the 106 analyzed genes were differentially expressed (4 up- and 3 downregulated) after treatment in IND patients and 15 out of 106 (3 up- and 12 downregulated) after treatment of early cardiac Chagas disease patients. Particularly in CCC I patients, regulation of the expression level of some of these genes towards a level similar to that of healthy subjects suggests a beneficial effect of treatment and supports recommendation of benznidazole administration to early cardiac Chagas disease patients. The data obtained also demonstrated that both in asymptomatic patients and in early cardiac chronic patients, after treatment with benznidazole there is a negative regulation of the proinflammatory and cytotoxic responses triggered as a consequence of T. cruzi infection and the persistence of the parasite. This downregulation of the immune response likely prevents marked tissue damage and healing in early cardiac patients, suggesting its positive effect in controlling the pathology.
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Affiliation(s)
- Inmaculada Gómez
- Departamento de Biología Molecular, Instituto de Parasitología y Biomedicina López-Neyra, Consejo Superior de Investigaciones Científicas, Granada, Spain
| | - Adriana Egui
- Departamento de Biología Molecular, Instituto de Parasitología y Biomedicina López-Neyra, Consejo Superior de Investigaciones Científicas, Granada, Spain
| | - Génesis Palacios
- Departamento de Biología Molecular, Instituto de Parasitología y Biomedicina López-Neyra, Consejo Superior de Investigaciones Científicas, Granada, Spain
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, La Laguna, Spain
| | - Bartolomé Carrilero
- Unidad Regional de Medicina Tropical, Hospital Universitario Virgen de la Arrixaca, Murcia, Spain
| | - Celia Benítez
- Departamento de Biología Molecular, Instituto de Parasitología y Biomedicina López-Neyra, Consejo Superior de Investigaciones Científicas, Granada, Spain
| | - Marina Simón
- Unidad Regional de Medicina Tropical, Hospital Universitario Virgen de la Arrixaca, Murcia, Spain
| | - Manuel Segovia
- Unidad Regional de Medicina Tropical, Hospital Universitario Virgen de la Arrixaca, Murcia, Spain
| | - Emma Carmelo
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, La Laguna, Spain
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, La Laguna, Spain
| | - Manuel Carlos López
- Departamento de Biología Molecular, Instituto de Parasitología y Biomedicina López-Neyra, Consejo Superior de Investigaciones Científicas, Granada, Spain
| | - M. Carmen Thomas
- Departamento de Biología Molecular, Instituto de Parasitología y Biomedicina López-Neyra, Consejo Superior de Investigaciones Científicas, Granada, Spain
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Meira C, Silva J, Quadros H, Silva L, Barreto B, Rocha V, Bomfim L, Santos E, Soares M. Galectins in Protozoan Parasitic Diseases: Potential Applications in Diagnostics and Therapeutics. Cells 2023; 12:2671. [PMID: 38067100 PMCID: PMC10705098 DOI: 10.3390/cells12232671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/04/2023] [Accepted: 11/06/2023] [Indexed: 12/18/2023] Open
Abstract
Neglected tropical diseases (NTDs) constitute a group of diseases that generally develop in tropical or subtropical climatic conditions and are related to poverty. Within the spectrum of NTDs, diseases caused by protozoa such as malaria, Chagas disease, and leishmaniasis exhibit elevated mortality rates, thereby constituting a substantial public health concern. Beyond their protozoan etiology, these NTDs share other similarities, such as the challenge of control and the lack of affordable, safe, and effective drugs. In view of the above, the need to explore novel diagnostic predictors and therapeutic targets for the treatment of these parasitic diseases is evident. In this context, galectins are attractive because they are a set of lectins bound to β-galactosides that play key roles in a variety of cellular processes, including host-parasite interaction such as adhesion and entry of parasites into the host cells, and participate in antiparasitic immunity in either a stimulatory or inhibitory manner, especially the galectins-1, -2, -3, and -9. These functions bestow upon galectins significant therapeutic prospects in the context of managing and diagnosing NTDs. Thus, the present review aims to elucidate the potential role of galectins in the diagnosis and treatment of malaria, leishmaniasis, and Chagas disease.
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Affiliation(s)
- Cássio Meira
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador 21040-900, Bahia, Brazil; (J.S.); (H.Q.); (L.S.); (B.B.); (V.R.); (L.B.)
- SENAI Institute of Innovation in Health Advanced Systems (ISI SAS), University Center SENAI/CIMATEC, Salvador 41650-010, Bahia, Brazil;
| | - Jaqueline Silva
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador 21040-900, Bahia, Brazil; (J.S.); (H.Q.); (L.S.); (B.B.); (V.R.); (L.B.)
| | - Helenita Quadros
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador 21040-900, Bahia, Brazil; (J.S.); (H.Q.); (L.S.); (B.B.); (V.R.); (L.B.)
| | - Laís Silva
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador 21040-900, Bahia, Brazil; (J.S.); (H.Q.); (L.S.); (B.B.); (V.R.); (L.B.)
| | - Breno Barreto
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador 21040-900, Bahia, Brazil; (J.S.); (H.Q.); (L.S.); (B.B.); (V.R.); (L.B.)
- SENAI Institute of Innovation in Health Advanced Systems (ISI SAS), University Center SENAI/CIMATEC, Salvador 41650-010, Bahia, Brazil;
- Institute of Health Sciences, Federal University of Bahia (UFBA), Salvador 40170-110, Bahia, Brazil
| | - Vinícius Rocha
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador 21040-900, Bahia, Brazil; (J.S.); (H.Q.); (L.S.); (B.B.); (V.R.); (L.B.)
- SENAI Institute of Innovation in Health Advanced Systems (ISI SAS), University Center SENAI/CIMATEC, Salvador 41650-010, Bahia, Brazil;
| | - Larissa Bomfim
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador 21040-900, Bahia, Brazil; (J.S.); (H.Q.); (L.S.); (B.B.); (V.R.); (L.B.)
| | - Emanuelle Santos
- SENAI Institute of Innovation in Health Advanced Systems (ISI SAS), University Center SENAI/CIMATEC, Salvador 41650-010, Bahia, Brazil;
| | - Milena Soares
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador 21040-900, Bahia, Brazil; (J.S.); (H.Q.); (L.S.); (B.B.); (V.R.); (L.B.)
- SENAI Institute of Innovation in Health Advanced Systems (ISI SAS), University Center SENAI/CIMATEC, Salvador 41650-010, Bahia, Brazil;
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Vergoten G, Bailly C. N-glycosylation reinforces interaction of immune checkpoint TIM-3 with a small molecule ligand. Comput Biol Chem 2023; 104:107852. [PMID: 36965447 DOI: 10.1016/j.compbiolchem.2023.107852] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 03/19/2023] [Accepted: 03/20/2023] [Indexed: 03/27/2023]
Abstract
N-glycosylation of eukaryotic proteins plays roles in protein folding, trafficking, and signal transduction. The biological influence of the process is well understood, whereas the pharmacological impact of protein N-glycosylation is not well under discerned. The role of N-glycosylation on drug binding to protein has been rarely studied. We have modeled the influence of a bi-antennary N-glycan introduced at position N78 on the immune checkpoint TIM-3 (T cell immunoglobulin domain and mucin domain-containing molecule 3) on the interaction with a selective drug antagonist. The bulky N-glycan introduced at the consensus sequence Asn-Val-Thr has no influence on drug binding when the glycan adopts an extended conformation. But in a folded conformation, the glycan can interact directly with the triazoloquinazolinone derivative so as to further stabilize the drug-TIM-3 complex. The non-fucosylated glycan at position N78 markedly consolidates the drug interaction, via an additional H-bond interaction with the α3-mannose residue. It provides a gain of empirical potential energy of interaction (ΔE) of about 30 %. The presence of a more rigid fucosylated N-glycan is a little less favorable, with a gain of ΔE of about 20 %. The folded N-glycan appears to protect the ligand bound to the protein cavity, with the tricyclic core of the heterocyclic molecule sandwiched between two indole rings of tryptophan residues. Similar results were obtained when using a biantennary disialyl N-glycan with a bisecting GlcNAc residue and a tetra-antennary N-glycan. The molecular models illustrate the drug-stabilizing capacity of a bulky N-glycan positioned at a validated glycosylation site (N78 corresponding to N100 for the full-length protein). The modeling approach is useful to delineate further the role of the N-glycan of the immune checkpoint TIM-3 in interaction with small molecule ligands, and to guide the design of more potent compounds. The approach is transposable to other proteins to better comprehend the influence of N-glycans on drug-receptor interactions.
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Affiliation(s)
- Gérard Vergoten
- University of Lille, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), Faculté de Pharmacie, 3 rue du Professeur Laguesse, F-59006 Lille, France
| | - Christian Bailly
- University of Lille, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), Faculté de Pharmacie, 3 rue du Professeur Laguesse, F-59006 Lille, France; University of Lille, CNRS, Inserm, CHU Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, 59000 Lille, France; OncoWitan, Lille (Wasquehal), 59290, France.
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Bailly C, Thuru X, Goossens L, Goossens JF. Soluble TIM-3 as a biomarker of progression and therapeutic response in cancers and other of human diseases. Biochem Pharmacol 2023; 209:115445. [PMID: 36739094 DOI: 10.1016/j.bcp.2023.115445] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 02/05/2023]
Abstract
Immune checkpoints inhibition is a privileged approach to combat cancers and other human diseases. The TIM-3 (T cell immunoglobulin and mucin-domain containing-3) inhibitory checkpoint expressed on different types of immune cells is actively investigated as an anticancer target, with a dozen of monoclonal antibodies in (pre)clinical development. A soluble form sTIM-3 can be found in the plasma of patients with cancer and other diseases. This active circulating protein originates from the proteolytic cleavage by two ADAM metalloproteases of the membrane receptor shared by tumor and non-tumor cells, and extracellular vesicles. In most cancers but not all, overexpression of mTIM-3 at the cell surface leads to high level of sTIM-3. Similarly, elevated levels of sTIM-3 have been reported in chronic autoimmune diseases, inflammatory gastro-intestinal diseases, certain viral and parasitic diseases, but also in cases of organ transplantation and in pregnancy-related pathologies. We have analyzed the origin of sTIM-3, its methods of dosage in blood or plasma, its presence in multiple diseases and its potential role as a biomarker to follow disease progression and/or the treatment response. In contrast to sPD-L1 generated by different classes of proteases and by alternative splicing, sTIM-3 is uniquely produced upon ADAM-dependent shedding, providing a more homogenous molecular entity and a possibly more reliable molecular marker. However, the biological functionality of sTIM-3 remains insufficiently characterized. The review shed light on pathologies associated with an altered expression of sTIM-3 in human plasma and the possibility to use sTIM-3 as a diagnostic or therapeutic marker.
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Affiliation(s)
- Christian Bailly
- OncoWitan, Consulting Scientific Office, Lille (Wasquehal) 59290, France; University of Lille, Faculty of Pharmacy, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), 3 rue du Professeur Laguesse, 59000 Lille, France; University of Lille, CNRS, Inserm, CHU Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, 59000 Lille, France.
| | - Xavier Thuru
- University of Lille, CNRS, Inserm, CHU Lille, UMR9020 - UMR1277 - Canther - Cancer Heterogeneity, Plasticity and Resistance to Therapies, 59000 Lille, France
| | - Laurence Goossens
- University of Lille, Faculty of Pharmacy, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), 3 rue du Professeur Laguesse, 59000 Lille, France; University of Lille, CHU Lille, ULR 7365 - GRITA - Groupe de Recherche sur les formes Injectables et les Technologies Associées, 59000 Lille, France
| | - Jean-François Goossens
- University of Lille, CHU Lille, ULR 7365 - GRITA - Groupe de Recherche sur les formes Injectables et les Technologies Associées, 59000 Lille, France
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