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Kumar S, Principe DR, Singh SK, Viswakarma N, Sondarva G, Rana B, Rana A. Mitogen-Activated Protein Kinase Inhibitors and T-Cell-Dependent Immunotherapy in Cancer. Pharmaceuticals (Basel) 2020; 13:E9. [PMID: 31936067 PMCID: PMC7168889 DOI: 10.3390/ph13010009] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/02/2020] [Accepted: 01/04/2020] [Indexed: 12/13/2022] Open
Abstract
Mitogen-activated protein kinase (MAPK) signaling networks serve to regulate a wide range of physiologic and cancer-associated cell processes. For instance, a variety of oncogenic mutations often lead to hyperactivation of MAPK signaling, thereby enhancing tumor cell proliferation and disease progression. As such, several components of the MAPK signaling network have been proposed as viable targets for cancer therapy. However, the contributions of MAPK signaling extend well beyond the tumor cells, and several MAPK effectors have been identified as key mediators of the tumor microenvironment (TME), particularly with respect to the local immune infiltrate. In fact, a blockade of various MAPK signals has been suggested to fundamentally alter the interaction between tumor cells and T lymphocytes and have been suggested a potential adjuvant to immune checkpoint inhibition in the clinic. Therefore, in this review article, we discuss the various mechanisms through which MAPK family members contribute to T-cell biology, as well as circumstances in which MAPK inhibition may potentiate or limit cancer immunotherapy.
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Affiliation(s)
- Sandeep Kumar
- Department of Surgery, Division of Surgical Oncology, University of Illinois at Chicago, IL 60612, USA; (S.K.); (D.R.P.); (S.K.S.); (N.V.); (G.S.); (B.R.)
- Jesse Brown VA Medical Center, Chicago, IL 60612, USA
| | - Daniel R. Principe
- Department of Surgery, Division of Surgical Oncology, University of Illinois at Chicago, IL 60612, USA; (S.K.); (D.R.P.); (S.K.S.); (N.V.); (G.S.); (B.R.)
- Medical Scientist Training Program, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Sunil Kumar Singh
- Department of Surgery, Division of Surgical Oncology, University of Illinois at Chicago, IL 60612, USA; (S.K.); (D.R.P.); (S.K.S.); (N.V.); (G.S.); (B.R.)
- Jesse Brown VA Medical Center, Chicago, IL 60612, USA
| | - Navin Viswakarma
- Department of Surgery, Division of Surgical Oncology, University of Illinois at Chicago, IL 60612, USA; (S.K.); (D.R.P.); (S.K.S.); (N.V.); (G.S.); (B.R.)
- Jesse Brown VA Medical Center, Chicago, IL 60612, USA
| | - Gautam Sondarva
- Department of Surgery, Division of Surgical Oncology, University of Illinois at Chicago, IL 60612, USA; (S.K.); (D.R.P.); (S.K.S.); (N.V.); (G.S.); (B.R.)
- Jesse Brown VA Medical Center, Chicago, IL 60612, USA
| | - Basabi Rana
- Department of Surgery, Division of Surgical Oncology, University of Illinois at Chicago, IL 60612, USA; (S.K.); (D.R.P.); (S.K.S.); (N.V.); (G.S.); (B.R.)
- Jesse Brown VA Medical Center, Chicago, IL 60612, USA
- University of Illinois Hospital & Health Sciences System Cancer Center, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Ajay Rana
- Department of Surgery, Division of Surgical Oncology, University of Illinois at Chicago, IL 60612, USA; (S.K.); (D.R.P.); (S.K.S.); (N.V.); (G.S.); (B.R.)
- Jesse Brown VA Medical Center, Chicago, IL 60612, USA
- University of Illinois Hospital & Health Sciences System Cancer Center, University of Illinois at Chicago, Chicago, IL 60612, USA
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Gaylo AE, Laux KS, Batzel EJ, Berg ME, Field KA. Delayed rejection of MHC class II-disparate skin allografts in mice treated with farnesyltransferase inhibitors. Transpl Immunol 2008; 20:163-70. [PMID: 18930822 DOI: 10.1016/j.trim.2008.09.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2008] [Revised: 09/11/2008] [Accepted: 09/18/2008] [Indexed: 01/07/2023]
Abstract
Farnesyltransferase inhibitors (FTIs), developed as anti-cancer drugs, have the potential to modulate immune responses without causing nonspecific immune suppression. We have investigated the possibility that FTIs, by affecting T cell cytokine secretion, can attenuate alloreactive immune responses. The effects of FTIs on murine alloreactive T cells were determined both in vitro, by measuring cytokine secretion or cell proliferation in mixed lymphocyte cultures, and in vivo, by performing skin allografts from H-2(bm12) mice to MHC class II-disparate B6 mice. We found that two different FTIs, ABT-100 and L-744,832, blocked secretion of IFN-gamma, IL-2, IL-4, and TNF-alpha from naïve T cells in vitro. ABT-100 and L-744,832 blocked cytokine production from both CD4(+) and CD8(+) naïve T cells stimulated with CD3 and CD28 antibodies, but only if the cells were pretreated with the FTIs for 48 h. Proliferation of alloreactive T cells in mixed lymphocyte cultures was blocked by either FTI. We also found that the proliferation of enriched T cells stimulated with IL-2 was blocked by ABT-100 treatment. In mice with an MHC class II-disparate skin graft, rejection of primary allografts was significantly delayed by treatment with either ABT-100 or L-744,832. Secondary rejection in mice previously primed to the alloantigen was found to be unaffected by L-744,832 treatment. We have shown that FTIs can block T cell cytokine secretion and attenuate alloreactive immune responses. The ability of FTIs to block secretion of cytokines, including IFN-gamma and IL-4, from naïve T cells provides a likely biological mechanism for the specific suppression of class II MHC-mediated allorejection. These results demonstrate that FTIs may have useful immunomodulatory activity due to their ability to delay priming to alloantigens.
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Affiliation(s)
- Alison E Gaylo
- Cell Biology/Biochemistry Program, Biology Department, Bucknell University, Lewisburg, PA 17837, United States
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Scottà C, Soligo M, Camperio C, Piccolella E. FOXP3 induced by CD28/B7 interaction regulates CD25 and anergic phenotype in human CD4+CD25- T lymphocytes. THE JOURNAL OF IMMUNOLOGY 2008; 181:1025-33. [PMID: 18606654 DOI: 10.4049/jimmunol.181.2.1025] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Among the signals necessary to generate CD4(+)CD25(+)FOXP3(+) T cells from CD4(+)CD25(-)FOXP3(-) T cells, a pivotal role is played by CD28. However, in humans, it is not known whether CD28 signaling independently of TCR promotes forkhead box protein 3 (FOXP3) expression and regulates CD4(+)CD25(+)FOXP3(+) T cell functions. To address this issue, starting from our previous experience, we analyzed the unique signals delivered by CD28 following stimulation by its natural ligand B7. Our results show that, in primary CD4(+)CD25(-) T cells, CD28 signals independent of TCR-mediated stimulatory pathways are sufficient to induce the transcription of FOXP3 in a small number of CD4(+)CD25(-) T cells committed to express FOXP3. These signals are dependent on CD28-derived PI3K/Akt pathways and resistant to cyclosporin A. In addition, we demonstrated that translated FOXP3 was recruited to CD25, Il-2, and Ctla4 target promoters. CD28-mediated FOXP3 expression was transient and correlated with CD25 expression. The presence of FOXP3 in CD28-activated CD4(+)CD25(-) T cells correlated with a transient unresponsiveness to antigenic stimuli. The addition of exogenous IL-2 did not influence either FOXP3 or CD25 expression but rescued CD28-activated T cells from apoptosis. Our results, demonstrating that FOXP3 expression driven solely by the CD28/B7 interaction inhibited T cell activation, support the role of CD28 in the regulation of peripheral tolerance and suggest a new mechanism through which it could occur.
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Affiliation(s)
- Cristiano Scottà
- Department of Cellular and Developmental Biology, University Sapienza of Rome, Rome, Italy
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Funeshima-Fuji N, Fujino M, Kimura H, Takahara S, Nakayama T, Ezaki T, Li XK. Survival of skin allografts is prolonged in mice with a dominant-negative H-Ras. Transpl Immunol 2007; 18:302-6. [PMID: 18158115 DOI: 10.1016/j.trim.2007.10.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2007] [Accepted: 10/08/2007] [Indexed: 01/29/2023]
Abstract
Ras is a guanine nucleotide-binding protein that plays a major role in regulating the proliferation of T cells. To investigate the mechanism of the Ras/mitogen-activated protein kinase pathway, one of the downstream signal-transduction pathways of T-cell receptors, in the response to alloantigen, we performed full-thickness skin grafting in the major histocompatibility complex (MHC) incompatible strain BALB/c (H-2Kd) (donor) and T-cell-specific H-Ras dominant-negative (dnRas) transgenic (tg) C57BL/6 (H-2Kb) (recipient) male mice. In vitro and in vivo dnRas tg mouse T-cell proliferation and cytotoxic T lymphocyte (CTL) activity assay were also performed. The median graft survival time in control B6/wild type (wt) mouse allografts was seven days. Conversely, the dnRas tg mouse group exhibited a significant (p<0.01) prolongation of graft survival to 15 days. However, all grafts were eventually rejected after one month. Mixed lymphocyte reaction and popliteal lymph node assay revealed that T-cell proliferation was decreased in response to alloantigen, but CTL activity was not changed in the dnRas tg mice. These results suggested that Ras is essential for peripheral T lymphocytes to respond to allo-MHC antigens, and Ras may be a molecular target for controlling transplant rejection.
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Affiliation(s)
- Naoko Funeshima-Fuji
- Laboratory of Transplantation Immunology, National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo 157-8535, Japan
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Si MS, Ji P, Lee M, Kwok J, Kusumoto J, Naasz E, Ng SC, Imagawa DK. Potent farnesyltransferase inhibitor ABT-100 abrogates acute allograft rejection. J Heart Lung Transplant 2006; 24:1403-9. [PMID: 16143263 DOI: 10.1016/j.healun.2004.06.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2004] [Revised: 05/19/2004] [Accepted: 06/03/2004] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Farnesyltransferase inhibitors (FTIs) inhibit the function of Ras, a GTPase involved in carcinogenesis and T cell activation. We evaluated the in vitro and in vivo immunomodulatory properties of a rationally designed FTI, ABT-100. METHODS The effects of ABT-100 on human peripheral blood mononuclear cell (PBMC) proliferation and the expression of the T cell activation markers CD25 and CD69 were studied. In a Wistar to Lewis rat heterotopic cardiac transplant model, ABT-100 was orally dosed alone or with a subtherapeutic course of cyclosporine (CsA). The degree of graft immune cell infiltrate was determined. RESULTS ABT-100 potently inhibited PBMC proliferation, but did not decrease expression of CD25 and CD69 during activation. Treatment with 25, 50 and 100 mg/kg ABT-100 BID increased allograft mean survival time (MST) to 12.8+/-3 days, 13.5+/-5 days and 13.8+/-3 days, respectively (vs 6.5+/-3 days for controls, p<0.001 by log rank). A subtherapeutic course of CsA increased MST to 12.7+/-3 days (p<0.001 vs control). Combination with ABT-100 at 25 and 100 mg/kg BID improved MST to 18.7+/-5 days and 19.5+/-4 days (both p<0.001 vs control and respective monotherapy groups). ABT-100 treatment at 100 mg/kg BID significant decreased the amount of graft infiltrate (2.5+/-4 mononuclear cells/high power field (hpf) vs 29+/-11 cells/hpf, p<0.001). CONCLUSIONS This is the first report that a specific FTI delays the development of acute rejection and supports the strategy of inhibiting Ras to impart immunomodulation. The antirejection and anticarcinogenic effects make FTIs a potentially useful adjunct in the antirejection regimens of malignancy-prone organ transplant recipients.
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Affiliation(s)
- Ming-Sing Si
- UCI Transplantation Laboratory, Department of Surgery, University of California Irvine College of Medicine, Irvine, California 92868, USA
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Jiménez de Bagüés MP, Gross A, Terraza A, Dornand J. Regulation of the mitogen-activated protein kinases by Brucella spp. expressing a smooth and rough phenotype: relationship to pathogen invasiveness. Infect Immun 2005; 73:3178-83. [PMID: 15845529 PMCID: PMC1087367 DOI: 10.1128/iai.73.5.3178-3183.2005] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
By comparing smooth wild-type Brucella spp. to their rough mutants, we show that the LPS O chain restricted the activation of the ERK1/2 and p38 mitogen-activated protein kinase (MAPK) pathways, thus preventing the synthesis of immune mediators that regulate host defense. We conclude that the MAPKs are a target for immune intervention by virulent smooth Brucella.
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Affiliation(s)
- María P Jiménez de Bagüés
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Gobierno de Aragón, Ap. 727, 50080 Zaragoza, Spain.
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Faubert Kaplan BL, Kaminski NE. Cannabinoids inhibit the activation of ERK MAPK in PMA/Io-stimulated mouse splenocytes. Int Immunopharmacol 2003; 3:1503-10. [PMID: 12946447 DOI: 10.1016/s1567-5769(03)00163-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The mechanism of action of immune suppression by cannabinoids involves suppression of interleukin-2 (IL-2) production in phorbol ester plus calcium ionophore (PMA/Io)-stimulated lymphocytes. This decrease in IL-2 was due to inhibition of activator protein-1 (AP-1) and nuclear factor of activated T cells (NF-AT) transcription factors, both of which depend on proteins that are regulated by the extracellular signal-regulated kinase subgroup of the mitogen-activated protein kinases (ERK MAPK). Thus, the objective of the present study was to characterize the effects of cannabinoid compounds on ERK MAPK under conditions where IL-2 expression was suppressed. Using the MEK inhibitor PD098059 in order to assess the role of ERK MAPK in PMA/Io-stimulated splenocytes (SPLC), it was determined that IL-2 production and expression of c-fos and c-jun nuclear protein expression depended on activation of ERK MAPK. In response to PMA/Io, expression of nuclear phosphorylated ERK MAPK was rapidly induced, peaked at approximately 15 min, and was sustained for up to 240 min. Pretreatment with cannabinol (CBN) inhibited expression of phosphorylated ERK MAPK at several time points up to 240 min post cellular activation. Furthermore, WIN-55212-2, a synthetic cannabinoid, inhibited expression of phosphorylated ERK MAPK at 240 min post cellular activation. CBN did not induce activation of ERK MAPK in the absence of PMA/Io. Collectively, these studies suggest that cannabinoid-induced inhibition of IL-2 in PMA/Io-stimulated splenocytes might be due, in part, to inhibition of ERK MAPK activation.
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Affiliation(s)
- Barbara L Faubert Kaplan
- Department of Pharmacology and Toxicology, 315 National Food Safety and Toxicology Building, Michigan State University, East Lansing, MI 48824-1317, USA
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Taylor SJ, Resnick RJ, Shalloway D. Nonradioactive determination of Ras-GTP levels using activated ras interaction assay. Methods Enzymol 2001; 333:333-42. [PMID: 11400349 DOI: 10.1016/s0076-6879(01)33067-7] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- S J Taylor
- Department of Molecular and Cell Biology, University of California, Berkeley, California 94720, USA
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Bostik P, Mayne AE, Villinger F, Greenberg KP, Powell JD, Ansari AA. Relative resistance in the development of T cell anergy in CD4+ T cells from simian immunodeficiency virus disease-resistant sooty mangabeys. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2001; 166:506-16. [PMID: 11123330 DOI: 10.4049/jimmunol.166.1.506] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Despite high viral loads, T cells from sooty mangabey (SM) monkeys that are naturally infected with SIV but remain clinically asymptomatic, proliferate and demonstrate normal Ag-specific memory recall CD4(+) T cell responses. In contrast, CD4(+) T cells from rhesus macaques (RM) experimentally infected with SIV lose Ag-specific memory recall responses and develop immunological anergy. To elucidate the mechanisms for these distinct outcomes of lentiviral infection, highly enriched alloreactive CD4(+) T cells from humans, RM, and SM were anergized by TCR-only stimulation (signal 1 alone) and subsequently challenged with anti-CD3/anti-CD28 Abs (signals 1 + 2). Whereas alloreactive CD4(+)T cells from humans and RM became anergized, surprisingly, CD4(+) T cells from SM showed marked proliferation and IL-2 synthesis after restimulation. This resistance to undergo anergy was not secondary to a global deficiency in anergy induction of CD4(+) T cells from SM since incubation of CD4(+) T cells with anti-CD3 alone in the presence of rapamycin readily induced anergy in these cells. The resistance to undergo anergy was reasoned to be due to the ability of CD4(+) T cells from SM to synthesize IL-2 when incubated with anti-CD3 alone. Analysis of phosphorylated kinases involved in T cell activation showed that the activation of CD4(+) T cells by signal 1 in SM elicited a pattern of response that required both signals 1 + 2 in humans and RM. This function of CD4(+) T cells from SM may contribute to the resistance of this species to SIV-induced disease.
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Affiliation(s)
- P Bostik
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA.
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