51
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Soheilifar MH, Vaseghi H, Seif F, Ariana M, Ghorbanifar S, Habibi N, Papari Barjasteh F, Pornour M. Concomitant overexpression of mir-182-5p and mir-182-3p raises the possibility of IL-17-producing Treg formation in breast cancer by targeting CD3d, ITK, FOXO1, and NFATs: A meta-analysis and experimental study. Cancer Sci 2020; 112:589-603. [PMID: 33283362 PMCID: PMC7893989 DOI: 10.1111/cas.14764] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 11/24/2020] [Accepted: 11/30/2020] [Indexed: 12/19/2022] Open
Abstract
T cells are polarized toward regulatory T cells (Tregs) in tumor microenvironment by the shuttling of microRNAs that target T cell–activating signaling pathways. We evaluated the expression of the miR‐182 cluster (miR‐96, 182, and 183) in peripheral blood mononuclear cells (PBMCs) of patients with breast cancer (BC), and T cell polarization by the expression of FOXO1, NFATs, ITK, TCR/CD3 complex, and IL‐2/IL‐2RA. Twenty‐six microRNAs overexpressed in tumor tissues and sera of these patients were extracted by a meta‐analysis. Then, the expression of the miR‐182 cluster was investigated in PBMCs and sera of these patients and correlated with their targets in PBMCs. Finally, miR‐182 was cloned into Jurkat cells to evaluate its effects on T cell polarization. FOXO1, CD3d, ITK, NFATc3, NFATc4, and IL‐2RA were targeted by miR‐182, due to which their expression decreased in PBMCs of patients. Although IL‐6, IL‐17, and TGF‐β increased after miR‐182 transduction, IL‐2 dramatically decreased. We revealed CD4+FOXP3+ T cell differentiation in the miR‐182–transduced group. Although miR‐182 has inhibitory effects on T cells by the inhibition of FOXO1, TCR/CD3 complex, NFATs, and IL‐2/IL‐2RA signaling pathways, it increases FOXP3, TGF‐β, and IL‐17 expression to possibly drive T cell deviation toward the transitional state of IL‐17–producing Tregs and Treg formation in the end.
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Affiliation(s)
- Mohammad Hasan Soheilifar
- Department of Photo Healing and Regeneration, Medical Laser Research Center, Yara Institute, Academic Center for Education, Culture, and Research (ACECR), Tehran, Iran
| | - Hajar Vaseghi
- Medical Genetics Department, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Farhad Seif
- Department of Immunology and Allergy, Academic Center for Education, Culture, and Research (ACECR), Tehran, Iran
| | - Mehdi Ariana
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shima Ghorbanifar
- Department of Photo Healing and Regeneration, Medical Laser Research Center, Yara Institute, Academic Center for Education, Culture, and Research (ACECR), Tehran, Iran
| | - Nazanin Habibi
- Department of Photo Healing and Regeneration, Medical Laser Research Center, Yara Institute, Academic Center for Education, Culture, and Research (ACECR), Tehran, Iran
| | - Fatemeh Papari Barjasteh
- Department of Photo Healing and Regeneration, Medical Laser Research Center, Yara Institute, Academic Center for Education, Culture, and Research (ACECR), Tehran, Iran
| | - Majid Pornour
- Department of Photo Healing and Regeneration, Medical Laser Research Center, Yara Institute, Academic Center for Education, Culture, and Research (ACECR), Tehran, Iran
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Yadav PK, Gupta SK, Kumar S, Ghosh M, Yadav BS, Kumar D, Kumar A, Saini M, Kataria M. MMP-7 derived peptides with MHC class-I binding motifs from canine mammary tumor tissue elicit strong antigen-specific T-cell responses in BALB/c mice. Mol Cell Biochem 2020; 476:311-320. [PMID: 32970284 PMCID: PMC7511522 DOI: 10.1007/s11010-020-03908-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 09/07/2020] [Indexed: 11/27/2022]
Abstract
Matrix Metalloproteinases (MMPs)-induced altered proteolysis of extracellular matrix proteins and basement membrane holds the key for tumor progression and metastasis. Matrix metalloproteinases-7 (Matrilysin), the smallest member of the MMP family also performs quite alike; thus serves as a potential candidate for anti-tumor immunotherapy. Conversely, being an endogenous tumor-associated antigen (TAA), targeting MMP-7 for immunization is challenging. But MMP-7-based xenovaccine can surmount the obstacle of poor immunogenicity and immunological tolerance, often encountered in TAA-based conventional vaccine for anti-tumor immunotherapy. This paves the way for investigating the potential of MMP-7-derived major histocompatibility complex (MHC)-binding peptides to elicit precise epitope-specific T-cell responses towards their possible inclusion in anti-tumor vaccine formulations. Perhaps it also ushers the path of achieving multiple epitope-based broad and universal cellular immunity. In current experiment, an immunoinformatics approach has been employed to identify the putative canine matrix matelloproteinases-7 (cMMP-7)-derived peptides with MHC class-I-binding motifs which can elicit potent antigen-specific immune responses in BALB/c mice. Immunization with the cMMP-7 DNA vaccine induced a strong CD8+ cytotoxic T lymphocytes (CTLs) and Th1- type response, with high level of gamma interferon (IFN-γ) production in BALB/c mice. The two identified putative MHC-I-binding nonameric peptides (Peptide32-40 and Peptide175-183) from cMMP-7 induced significant lymphocyte proliferation along with the production of IFN-γ from CD8+ T-cells in mice immunized with cMMP-7 DNA vaccine. The current observation has depicted the immunogenic potential of the two cMMP-7-derived nonapeptides for their possible exploitation in xenovaccine-mediated anti-tumor immunotherapy in mouse model.
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Affiliation(s)
- Pavan Kumar Yadav
- ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India.
- Faculty of Veterinary and Animal Sciences, Rajiv Gandhi South Campus, Banaras Hindu University, Mirzapur, Uttar Pradesh, 231001, India.
| | - Shishir Kumar Gupta
- ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India
- Laboratory Animal Facility, CSIR-CDRI, Lucknow, Uttar Pradesh, 226031, India
| | - Saroj Kumar
- ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India
- Faculty of Veterinary and Animal Sciences, Rajiv Gandhi South Campus, Banaras Hindu University, Mirzapur, Uttar Pradesh, 231001, India
| | - Mayukh Ghosh
- Faculty of Veterinary and Animal Sciences, Rajiv Gandhi South Campus, Banaras Hindu University, Mirzapur, Uttar Pradesh, 231001, India
| | - Brijesh Singh Yadav
- ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India
- University of Information Science & Technology St. Paul the apostle Partizanska bb., 6000, Ohrid, Republic of Macedonia
| | - Dinesh Kumar
- ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India
- College of Agriculture, Tikamgarh, Jawaharlal Nehru Krishi Vishwa Vidylaya, Jabalpur, Madhya Pradesh, 482004, India
| | - Ajay Kumar
- ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India
| | - Mohini Saini
- ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India
| | - Meena Kataria
- ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India
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53
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Li S, Xu Y, Zhang Y, Nie L, Ma Z, Ma L, Fang X, Ma X. Mendelian randomization analyses of genetically predicted circulating levels of cytokines with risk of breast cancer. NPJ Precis Oncol 2020; 4:25. [PMID: 32923685 PMCID: PMC7462857 DOI: 10.1038/s41698-020-00131-6] [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: 02/06/2020] [Accepted: 08/04/2020] [Indexed: 02/07/2023] Open
Abstract
To determine whether genetically predicted circulating levels of cytokines are associated with risk of overall breast cancer (BC), estrogen receptor (ER)-positive and ER-negative BC, we conducted two-sample MR analyses using data from the most comprehensive genome-wide association studies (GWAS) on cytokines in 8293 Finnish participants and the largest BC GWAS from the Breast Cancer Association Consortium (BCAC) with totally 122,977 BC cases and 105,974 healthy controls. We systematically screened 41 cytokines (of which 24 cytokines have available instruments) and identified that genetically predicted circulating levels (1-SD increase) of MCP1 (OR: 1.08; 95% CIs: 1.03–1.12; P value: 3.55 × 10−4), MIP1b (OR: 1.02; 95% CIs: 1.01–1.04; P value: 2.70 × 10−3) and IL13 (OR: 1.06; 95% CIs: 1.03–1.10; P value: 3.33 × 10−4) were significantly associated with increased risk of overall BC, as well as ER-positive BC. In addition, higher levels of MIP1b and IL13 were also significantly associated with increased risk of ER-negative BC. These findings suggest the crucial role of cytokines in BC carcinogenesis and potential of targeting specific inflammatory cytokines for BC prevention.
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Affiliation(s)
- Shen Li
- The second clinical college, Chongqing Medical University, Chongqing, China
| | - Yan Xu
- Department of Breast and Thyroid Surgery, Daping Hospital, Third Military Medical University, Chongqing, China
| | - Yao Zhang
- Department of Epidemiology, College of Preventive Medicine, Third Military Medical University, Chongqing, China
| | - Lili Nie
- Student Brigade, College of Basic Medicine, Third Military Medical University, Chongqing, China
| | - Zhihua Ma
- Department of Anaesthesia, The first affiliated hospital of Third Military medical University, Chongqing, China
| | - Ling Ma
- Banan People's hospital of Chongqing, Chongqing, China
| | - Xiaoyu Fang
- College of public health, Southwest medical University, Luzhou, China
| | - Xiangyu Ma
- Department of Epidemiology, College of Preventive Medicine, Third Military Medical University, Chongqing, China
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54
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Kim G, Pastoriza JM, Condeelis JS, Sparano JA, Filippou PS, Karagiannis GS, Oktay MH. The Contribution of Race to Breast Tumor Microenvironment Composition and Disease Progression. Front Oncol 2020; 10:1022. [PMID: 32714862 PMCID: PMC7344193 DOI: 10.3389/fonc.2020.01022] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 05/22/2020] [Indexed: 12/12/2022] Open
Abstract
Breast cancer is the second most commonly diagnosed cancer in American women following skin cancer. Despite overall decrease in breast cancer mortality due to advances in treatment and earlier screening, black patients continue to have 40% higher risk of breast cancer related death compared to white patients. This disparity in outcome persists even when controlled for access to care and stage at presentation and has been attributed to differences in tumor subtypes or gene expression profiles. There is emerging evidence that the tumor microenvironment (TME) may contribute to the racial disparities in outcome as well. Here, we provide a comprehensive review of current literature available regarding race-dependent differences in the TME. Notably, black patients tend to have a higher density of pro-tumorigenic immune cells (e.g., M2 macrophages, regulatory T cells) and microvasculature. Although immune cells are classically thought to be anti-tumorigenic, increase in M2 macrophages and angiogenesis may lead to a paradoxical increase in metastasis by forming doorways of tumor cell intravasation called tumor microenvironment of metastasis (TMEM). Furthermore, black patients also have higher serum levels of inflammatory cytokines, which provide a positive feedback loop in creating a pro-metastatic TME. Lastly, we propose that the higher density of immune cells and angiogenesis observed in the TME of black patients may be a result of evolutionary selection for a more robust immune response in patients of African geographic ancestry. Better understanding of race-dependent differences in the TME will aid in overcoming the racial disparity in breast cancer mortality.
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Affiliation(s)
- Gina Kim
- Department of Anatomy and Structural Biology, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Integrated Imaging Program, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Department of Surgery, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States
| | - Jessica M Pastoriza
- Department of Surgery, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States
| | - John S Condeelis
- Department of Anatomy and Structural Biology, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Integrated Imaging Program, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Department of Surgery, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Gruss-Lipper Biophotonics Center, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States
| | - Joseph A Sparano
- Integrated Imaging Program, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Department of Medicine (Oncology), Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States
| | - Panagiota S Filippou
- School of Health & Life Sciences, Teesside University, Middlesbrough, United Kingdom.,National Horizons Centre, Teesside University, Darlington, United Kingdom
| | - George S Karagiannis
- Department of Anatomy and Structural Biology, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Integrated Imaging Program, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Gruss-Lipper Biophotonics Center, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States
| | - Maja H Oktay
- Department of Anatomy and Structural Biology, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Integrated Imaging Program, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Gruss-Lipper Biophotonics Center, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States.,Department of Pathology, Montefiore Medical Center, Einstein College of Medicine, Bronx, NY, United States
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55
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Characterization of HLA-G Regulation and HLA Expression in Breast Cancer and Malignant Melanoma Cell Lines upon IFN-γ Stimulation and Inhibition of DNA Methylation. Int J Mol Sci 2020; 21:ijms21124307. [PMID: 32560316 PMCID: PMC7352735 DOI: 10.3390/ijms21124307] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/11/2020] [Accepted: 06/13/2020] [Indexed: 01/24/2023] Open
Abstract
The potential role of human leukocyte antigen (HLA)-G as a target for new cancer immunotherapy drugs has increased the interest in the analysis of mechanisms by which HLA-G expression is regulated, and how the expression can be manipulated. We characterized HLA expression in breast cancer and malignant melanoma cell lines and investigated the induction of HLA-G expression by two distinct mechanisms: stimulation with interferon (IFN)-γ or inhibition of methylation by treatment with 5-aza-2'-deoxycytidine (5-aza-dC). The effect of IFN-γ and 5-aza-dC on HLA expression was dependent on the cancer cell lines studied. However, in general, surface expression of HLA class Ia was induced on all cell lines. Surface expression of HLA-G was inconclusive but induction of HLA-G mRNA was prevalent upon treatment with 5-aza-dC and a combination of IFN-γ and 5-aza-dC. IFN-γ alone failed to induce HLA-G expression in the HLA-G-negative cell lines. The results support that HLA-G expression is regulated partly by DNA methylation. Furthermore, IFN-γ may play a role in the maintenance of HLA-G expression rather than inducing expression. The study demonstrates the feasibility of manipulating HLA expression and contributes to the exploration of mechanisms that can be potential targets for immunotherapy in breast cancer and malignant melanoma.
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56
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da Silva Alves R, Abdalla DR, Iunes DH, Mariano KOP, Borges JBC, Murta EFC, Michelin MA, Carvalho LC. Influence of an Exergaming Training Program on Reducing the Expression of IL-10 and TGF-β in Cancer Patients. Games Health J 2020; 9:446-452. [PMID: 32498637 DOI: 10.1089/g4h.2020.0022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Objective: To evaluate the effect of exergaming in the plasma levels of adipokines (interleukin [IL]-1β, IL-6, IL-8, and tumor necrosis factor-alpha [TNF-α]), Th1 (IL-2, IL-12, and interferon gamma [IFN-γ]), Th2 (IL-4 and IL-33), Th17 (IL-17 and IL-23), and regulatory T (Treg) (IL-10 and transforming growth factor-beta [TGF-β]) in cancer patients undergoing treatment. Materials and Methods: We conducted a quasi-experimental control clinical trial using exergaming in all groups through the Xbox 360 Kinect™. The game used in this study was called Your Shape Fitness Evolved 2012. The volunteer participants played the game two to three times per week, for a total of 20 sessions. Forty-five volunteer participants were divided into 3 groups: cancer patients undergoing chemotherapy and/or radiotherapy treatment (chemotherapy and/or radiotherapy group CRG; n = 15); cancer patients who finished chemotherapy and/or radiotherapy treatment (cancer accompaniment group CAG; n = 15); and the control group (volunteers without a cancer diagnosis CG; n = 15). In the pre- and post-training period, all volunteers submitted to blood collection procedures using the enzyme-linked immunosorbent assay (ELISA). This test was used to obtain the levels of adipokines expression (IL-1β, IL-6, IL-8, and TNF-α) and the cytokine profiles Th1 (IL-2, IL-12, and IFN-γ), Th2 (IL-4 and IL-33), Th17 (IL-17 and IL-23), and Treg (IL-10 and TGF-β). Results: After exergaming, the CRG showed significant reductions in proinflammatory cytokines (IL-6: P < 0.05; IL-10: P = 0.038; TGF-β: P = 0.049) and for CAG (IL-10: P = 0.034), as well as a reduction in the expression of cytokines related to the action of T lymphocytes. Conclusion: Exergaming promoted changes in the expression of cytokine profiles IL-6, IL-10, and TGF-β, which correlated with the action profiles of CD4+ T lymphocytes.
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Affiliation(s)
- Ricardo da Silva Alves
- Bioscience Program, Federal University of Alfenas, Alfenas, Brazil.,Course of Physical Therapy, University of Sapucai Valley, Pouso Alegre, Brazil
| | - Douglas Reis Abdalla
- Health Sciences, Humans Talents Faculty and University of Uberaba, Uberaba, Brazil
| | - Denise Hollanda Iunes
- Motricity Science Institute, and Federal University of Alfenas, Alfenas, Brazil.,Rehabilitation Science Program, Federal University of Alfenas, Alfenas, Brazil
| | | | - Juliana Bassalobre Carvalho Borges
- Motricity Science Institute, and Federal University of Alfenas, Alfenas, Brazil.,Rehabilitation Science Program, Federal University of Alfenas, Alfenas, Brazil
| | | | | | - Leonardo César Carvalho
- Bioscience Program, Federal University of Alfenas, Alfenas, Brazil.,Motricity Science Institute, and Federal University of Alfenas, Alfenas, Brazil.,Rehabilitation Science Program, Federal University of Alfenas, Alfenas, Brazil
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57
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Bhattacharya S, Calar K, de la Puente P. Mimicking tumor hypoxia and tumor-immune interactions employing three-dimensional in vitro models. J Exp Clin Cancer Res 2020; 39:75. [PMID: 32357910 PMCID: PMC7195738 DOI: 10.1186/s13046-020-01583-1] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 04/22/2020] [Indexed: 02/06/2023] Open
Abstract
The heterogeneous tumor microenvironment (TME) is highly complex and not entirely understood. These complex configurations lead to the generation of oxygen-deprived conditions within the tumor niche, which modulate several intrinsic TME elements to promote immunosuppressive outcomes. Decoding these communications is necessary for designing effective therapeutic strategies that can effectively reduce tumor-associated chemotherapy resistance by employing the inherent potential of the immune system.While classic two-dimensional in vitro research models reveal critical hypoxia-driven biochemical cues, three-dimensional (3D) cell culture models more accurately replicate the TME-immune manifestations. In this study, we review various 3D cell culture models currently being utilized to foster an oxygen-deprived TME, those that assess the dynamics associated with TME-immune cell penetrability within the tumor-like spatial structure, and discuss state of the art 3D systems that attempt recreating hypoxia-driven TME-immune outcomes. We also highlight the importance of integrating various hallmarks, which collectively might influence the functionality of these 3D models.This review strives to supplement perspectives to the quickly-evolving discipline that endeavors to mimic tumor hypoxia and tumor-immune interactions using 3D in vitro models.
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Affiliation(s)
- Somshuvra Bhattacharya
- Cancer Biology and Immunotherapies Group, Sanford Research, 2301 E 60th Street N, Sioux Falls, SD, 57104, USA
| | - Kristin Calar
- Cancer Biology and Immunotherapies Group, Sanford Research, 2301 E 60th Street N, Sioux Falls, SD, 57104, USA
| | - Pilar de la Puente
- Cancer Biology and Immunotherapies Group, Sanford Research, 2301 E 60th Street N, Sioux Falls, SD, 57104, USA.
- Department of Surgery, University of South Dakota Sanford School of Medicine, Sioux Falls, SD, USA.
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD, USA.
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Momtazi-Borojeni AA, Jaafari MR, Badiee A, Banach M, Sahebkar A. Therapeutic effect of nanoliposomal PCSK9 vaccine in a mouse model of atherosclerosis. BMC Med 2019; 17:223. [PMID: 31818299 PMCID: PMC6902459 DOI: 10.1186/s12916-019-1457-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Accepted: 10/29/2019] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Proprotein convertase subtilisin/kexin 9 (PCSK9) is an important regulator of low-density lipoprotein receptor (LDLR) and plasma levels of LDL cholesterol (LDL-C). PCSK9 inhibition is an efficient therapeutic approach for the treatment of dyslipidemia. We tested the therapeutic effect of a PCSK9 vaccine on dyslipidemia and atherosclerosis. METHODS Lipid film hydration method was used to prepare negatively charged nanoliposomes as a vaccine delivery system. An immunogenic peptide called immunogenic fused PCSK9-tetanus (IFPT) was incorporated on the surface of nanoliposomes using DSPE-PEG-maleimide lipid (L-IFPT) and adsorbed to Alhydrogel® (L-IFPTA+). The prepared vaccine formulation (L-IFPTA+) and empty liposomes (negative control) were inoculated four times with bi-weekly intervals in C57BL/6 mice on the background of a severe atherogenic diet and poloxamer 407 (thrice weekly) injection. Antibody titers were evaluated 2 weeks after each vaccination and at the end of the study in vaccinated mice. Effects of anti-PCSK9 vaccination on plasma concentrations of PCSK9 and its interaction with LDLR were determined using ELISA. To evaluate the inflammatory response, interferon-gamma (IFN-γ)- and interleukin (IL)-10-producing splenic cells were assayed using ELISpot analysis. RESULTS L-IFPTA+ vaccine induced a high IgG antibody response against PCSK9 peptide in the vaccinated hypercholesterolemic mice. L-IFPTA+-induced antibodies specifically targeted PCSK9 and decreased its plasma consecration by up to 58.5% (- 164.7 ± 9.6 ng/mL, p = 0.0001) compared with the control. PCSK9-LDLR binding assay showed that generated antibodies could inhibit PCSK9-LDLR interaction. The L-IFPTA+ vaccine reduced total cholesterol, LDL-C, and VLDL-C by up to 44.7%, 51.7%, and 19.2%, respectively, after the fourth vaccination booster, compared with the control group at week 8. Long-term studies of vaccinated hypercholesterolemic mice revealed that the L-IFPTA+ vaccine was able to induce a long-lasting humoral immune response against PCSK9 peptide, which was paralleled by a significant decrease of LDL-C by up to 42% over 16 weeks post-prime immunization compared to control. Splenocytes isolated from the vaccinated group showed increased IL-10-producing cells and decreased IFN-γ-producing cells when compared with control and naive mice, suggesting the immune safety of the vaccine. CONCLUSIONS L-IFPTA+ vaccine could generate long-lasting, functional, and safe PCSK9-specific antibodies in C57BL/6 mice with severe atherosclerosis, which was accompanied by long-term therapeutic effect against hypercholesterolemia and atherosclerosis.
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Affiliation(s)
- Amir Abbas Momtazi-Borojeni
- Nanotechnology Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medical Biotechnology, Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahmoud Reza Jaafari
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. .,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. .,Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Ali Badiee
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maciej Banach
- Department of Hypertension, WAM University Hospital in Lodz, Medical University of Lodz, Zeromskiego 113, Lodz, Poland.,Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. .,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. .,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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59
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Gatti-Mays ME, Balko JM, Gameiro SR, Bear HD, Prabhakaran S, Fukui J, Disis ML, Nanda R, Gulley JL, Kalinsky K, Abdul Sater H, Sparano JA, Cescon D, Page DB, McArthur H, Adams S, Mittendorf EA. If we build it they will come: targeting the immune response to breast cancer. NPJ Breast Cancer 2019; 5:37. [PMID: 31700993 PMCID: PMC6820540 DOI: 10.1038/s41523-019-0133-7] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 09/25/2019] [Indexed: 02/06/2023] Open
Abstract
Historically, breast cancer tumors have been considered immunologically quiescent, with the majority of tumors demonstrating low lymphocyte infiltration, low mutational burden, and modest objective response rates to anti-PD-1/PD-L1 monotherapy. Tumor and immunologic profiling has shed light on potential mechanisms of immune evasion in breast cancer, as well as unique aspects of the tumor microenvironment (TME). These include elements associated with antigen processing and presentation as well as immunosuppressive elements, which may be targeted therapeutically. Examples of such therapeutic strategies include efforts to (1) expand effector T-cells, natural killer (NK) cells and immunostimulatory dendritic cells (DCs), (2) improve antigen presentation, and (3) decrease inhibitory cytokines, tumor-associated M2 macrophages, regulatory T- and B-cells and myeloid derived suppressor cells (MDSCs). The goal of these approaches is to alter the TME, thereby making breast tumors more responsive to immunotherapy. In this review, we summarize key developments in our understanding of antitumor immunity in breast cancer, as well as emerging therapeutic modalities that may leverage that understanding to overcome immunologic resistance.
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Affiliation(s)
- Margaret E. Gatti-Mays
- Laboratory of Tumor Immunology and Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD USA
| | - Justin M. Balko
- Department of Medicine and Breast Cancer Research Program, Vanderbilt University Medical Center, Nashville, TN USA
| | - Sofia R. Gameiro
- Laboratory of Tumor Immunology and Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD USA
| | - Harry D. Bear
- Division of Surgical Oncology and the Massey Cancer Center, Virginia Commonwealth University, Richmond, VA USA
| | - Sangeetha Prabhakaran
- Division of Surgical Oncology, Department of Surgery, University of New Mexico; University of New Mexico Comprehensive Cancer Center, Albuquerque, NM USA
| | - Jami Fukui
- University of Hawaii Cancer Center, Honolulu, HI USA
| | | | - Rita Nanda
- The University of Chicago, Chicago, IL USA
| | - James L. Gulley
- Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD USA
| | - Kevin Kalinsky
- Columbia University Irving Medical Center, New York, NY USA
| | - Houssein Abdul Sater
- Genitourinary Malignancies Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD USA
| | - Joseph A. Sparano
- Department of Medical Oncology, Montefiore Medical Center, Albert Einstein Cancer Center, Albert Einstein College of Medicine, Bronx, NY USA
| | - David Cescon
- Division of Medical Oncology and Hematology, Department of Medicine, Princess Margaret Cancer Centre, University Health Network and University of Toronto, Toronto, ON Canada
| | - David B. Page
- Providence Cancer Institute, Earle A. Chiles Research Institute, Portland, OR USA
| | | | - Sylvia Adams
- Perlmutter Cancer Center, NYU School of Medicine, New York, NY USA
| | - Elizabeth A. Mittendorf
- Division of Breast Surgery, Department of Surgery, Brigham and Women’s Hospital, Boston, MA USA
- Breast Oncology Program, Dana-Farber/Brigham and Women’s Cancer Center, Boston, MA USA
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