1
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Lansberry TR, Stabler CL. Immunoprotection of cellular transplants for autoimmune type 1 diabetes through local drug delivery. Adv Drug Deliv Rev 2024; 206:115179. [PMID: 38286164 PMCID: PMC11140763 DOI: 10.1016/j.addr.2024.115179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/19/2023] [Accepted: 01/19/2024] [Indexed: 01/31/2024]
Abstract
Type 1 diabetes mellitus (T1DM) is an autoimmune condition that results in the destruction of insulin-secreting β cells of the islets of Langerhans. Allogeneic islet transplantation could be a successful treatment for T1DM; however, it is limited by the need for effective, permanent immunosuppression to prevent graft rejection. Upon transplantation, islets are rejected through non-specific, alloantigen specific, and recurring autoimmune pathways. Immunosuppressive agents used for islet transplantation are generally successful in inhibiting alloantigen rejection, but they are suboptimal in hindering non-specific and autoimmune pathways. In this review, we summarize the challenges with cellular immunological rejection and therapeutics used for islet transplantation. We highlight agents that target these three immune rejection pathways and how to package them for controlled, local delivery via biomaterials. Exploring macro-, micro-, and nano-scale immunomodulatory biomaterial platforms, we summarize their advantages, challenges, and future directions. We hypothesize that understanding their key features will help identify effective platforms to prevent islet graft rejection. Outcomes can further be translated to other cellular therapies beyond T1DM.
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Affiliation(s)
- T R Lansberry
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - C L Stabler
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA; Department of Immunology and Pathology, College of Medicine, University of Florida, Gainesville, FL, USA; University of Florida Diabetes Institute, Gainesville, FL, USA.
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2
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Nooreen Z, Rai AK, Summayya F, Tandon S. An Insight of Naturally Occurring Phytoconstituents and Novel Approaches Towards the Treatment of Diabetes. Curr Diabetes Rev 2024; 20:e290823220456. [PMID: 37644751 DOI: 10.2174/1573399820666230829094724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/30/2023] [Accepted: 08/02/2023] [Indexed: 08/31/2023]
Abstract
BACKGROUND The rising in diabetes incidents has clearly become one main worldwide health problem. Individuals suffering from diabetes are still more susceptible to many long-term and short-term side effects, which most often cause fatalities. Even though chemically synthesized anti-diabetic entities are capable of helping manage and treat, there has been significant risks related with their prolong and repetitive use. Hence, there is a requirement for safer and novel approaches that might be formed and utilized. OBJECTIVE Aim of the present review is to explain the naturally occurring phytochemicals and novel approach as anti-diabetic agents in the treatment of diabetes and its related issues. METHOD A survey of Google scholar, Research Gate, Pubmed, Science Direct, NCBI database was carried out conducted to determine a most hopeful phytochemicals and novel drug delivery systems in the management of diabetes. RESULT The study stressed the significance of phytomolecules and some novel approaches researched or reported in the literature for the management and cure of diabetes. It is suggested that changes in lifestyle can help patients and like nutritional support, assessment and lifestyle guidance must be individualized based on physical and functional capacity. Further evaluations and improved preventative medicine were the result of improving patient outcomes. CONCLUSION Conventional or synthetic drugs provide relief for short time but nanoformulations of phytomolecules offer an improved therapeutic with fewer negative side effects. Herbal medicines are rich in phytoconstituents and possess variety of health benefits. This review is compilation of phytoconstituents and novel drug delivery system of phytomolecules i.e. nanoparticles, niosomes, microsphere, microparticle and others.
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Affiliation(s)
- Zulfa Nooreen
- PSIT - Pranveer Singh Institute of Technology (Pharmacy) Bhauti, Kanpur Uttar Pradesh 209305, India
| | - Awani Kumar Rai
- PSIT - Pranveer Singh Institute of Technology (Pharmacy) Bhauti, Kanpur Uttar Pradesh 209305, India
| | - Fariha Summayya
- Integral Informatic and Research Center-1 (IIRC-1) Intergral University Lucknow Uttar Pradesh 226026, India
| | - Sudeep Tandon
- CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow Uttar Pradesh 223021, India
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3
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Scotland BL, Shaw JR, Dharmaraj S, Caprio N, Cottingham AL, Joy Martín Lasola J, Sung JJ, Pearson RM. Cell and biomaterial delivery strategies to induce immune tolerance. Adv Drug Deliv Rev 2023; 203:115141. [PMID: 37980950 PMCID: PMC10842132 DOI: 10.1016/j.addr.2023.115141] [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: 09/25/2023] [Revised: 11/09/2023] [Accepted: 11/10/2023] [Indexed: 11/21/2023]
Abstract
The prevalence of immune-mediated disorders, including autoimmune conditions and allergies, is steadily increasing. However, current therapeutic approaches are often non-specific and do not address the underlying pathogenic condition, often resulting in impaired immunity and a state of generalized immunosuppression. The emergence of technologies capable of selectively inhibiting aberrant immune activation in a targeted, antigen (Ag)-specific manner by exploiting the body's intrinsic tolerance pathways, all without inducing adverse side effects, holds significant promise to enhance patient outcomes. In this review, we will describe the body's natural mechanisms of central and peripheral tolerance as well as innovative delivery strategies using cells and biomaterials targeting innate and adaptive immune cells to promote Ag-specific immune tolerance. Additionally, we will discuss the challenges and future opportunities that warrant consideration as we navigate the path toward clinical implementation of tolerogenic strategies to treat immune-mediated diseases.
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Affiliation(s)
- Brianna L Scotland
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, 20 N. Pine Street, Baltimore, MD 21201, United States
| | - Jacob R Shaw
- Department of Microbiology and Immunology, University of Maryland School of Medicine, 685 W. Baltimore Street, Baltimore, MD 21201, United States
| | - Shruti Dharmaraj
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, 20 N. Pine Street, Baltimore, MD 21201, United States
| | - Nicholas Caprio
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, 20 N. Pine Street, Baltimore, MD 21201, United States
| | - Andrea L Cottingham
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, 20 N. Pine Street, Baltimore, MD 21201, United States
| | - Jackline Joy Martín Lasola
- Department of Microbiology and Immunology, University of Maryland School of Medicine, 685 W. Baltimore Street, Baltimore, MD 21201, United States
| | - Junsik J Sung
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, 20 N. Pine Street, Baltimore, MD 21201, United States
| | - Ryan M Pearson
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, 20 N. Pine Street, Baltimore, MD 21201, United States; Department of Microbiology and Immunology, University of Maryland School of Medicine, 685 W. Baltimore Street, Baltimore, MD 21201, United States; Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, 22 S. Greene Street, Baltimore, MD 21201, United States.
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4
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Kim A, Xie F, Abed OA, Moon JJ. Vaccines for immune tolerance against autoimmune disease. Adv Drug Deliv Rev 2023; 203:115140. [PMID: 37980949 PMCID: PMC10757742 DOI: 10.1016/j.addr.2023.115140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 11/21/2023]
Abstract
The high prevalence and rising incidence of autoimmune diseases have become a prominent public health issue. Autoimmune disorders result from the immune system erroneously attacking the body's own healthy cells and tissues, causing persistent inflammation, tissue injury, and impaired organ function. Existing treatments primarily rely on broad immunosuppression, leaving patients vulnerable to infections and necessitating lifelong treatments. To address these unmet needs, an emerging frontier of vaccine development aims to restore immune equilibrium by inducing immune tolerance to autoantigens, offering a potential avenue for a cure rather than mere symptom management. We discuss this burgeoning field of vaccine development against inflammation and autoimmune diseases, with a focus on common autoimmune disorders, including multiple sclerosis, type 1 diabetes, rheumatoid arthritis, inflammatory bowel disease, and systemic lupus erythematosus. Vaccine-based strategies provide a new pathway for the future of autoimmune disease therapeutics, heralding a new era in the battle against inflammation and autoimmunity.
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Affiliation(s)
- April Kim
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, USA; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Fang Xie
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, USA; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Omar A Abed
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA; Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - James J Moon
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI 48109, USA; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA; Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biomedical Engineering, University of Michigan, Ann Arbor 48109, USA.
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5
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Lin G, Wang J, Yang YG, Zhang Y, Sun T. Advances in dendritic cell targeting nano-delivery systems for induction of immune tolerance. Front Bioeng Biotechnol 2023; 11:1242126. [PMID: 37877041 PMCID: PMC10593475 DOI: 10.3389/fbioe.2023.1242126] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Accepted: 09/25/2023] [Indexed: 10/26/2023] Open
Abstract
Dendritic cells (DCs) are the major specialized antigen-presenting cells (APCs), play a key role in initiating the body's immune response, maintain the balance of immunity. DCs can also induce immune tolerance by rendering effector T cells absent and anergy, and promoting the expansion of regulatory T cells. Induction of tolerogenic DCs has been proved to be a promising strategy for the treatment of autoimmune diseases, organ transplantation, and allergic diseases by various laboratory researches and clinical trials. The development of nano-delivery systems has led to advances in situ modulation of the tolerance phenotype of DCs. By changing the material composition, particle size, zeta-potential, and surface modification of nanoparticles, nanoparticles can be used for the therapeutic payloads targeted delivery to DCs, endowing them with great potential in the induction of immune tolerance. This paper reviews how nano-delivery systems can be modulated for targeted delivery to DCs and induce immune tolerance and reviews their potential in the treatment of autoimmune diseases, organ transplantation, and allergic diseases.
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Affiliation(s)
- Guojiao Lin
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, China
- National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, China
| | - Jialiang Wang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, China
- National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, China
| | - Yong-Guang Yang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, China
- National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, China
- International Center of Future Science, Jilin University, Changchun, China
| | - Yuning Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, China
- National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, China
| | - Tianmeng Sun
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, China
- National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, China
- International Center of Future Science, Jilin University, Changchun, China
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, China
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6
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Raghav A, Ashraf H, Jeong GB. Engineered Extracellular Vesicles in Treatment of Type 1 Diabetes Mellitus: A Prospective Review. Biomedicines 2022; 10:3042. [PMID: 36551798 PMCID: PMC9775549 DOI: 10.3390/biomedicines10123042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/08/2022] [Accepted: 11/14/2022] [Indexed: 11/26/2022] Open
Abstract
Insulin replacement is an available treatment for autoimmune type 1 diabetes mellitus (T1DM). There are multiple limitations in the treatment of autoimmune diseases such as T1DM by immunosuppression using drugs and chemicals. The advent of extracellular vesicle (EV)-based therapies for the treatment of various diseases has attracted much attention to the field of bio-nanomedicine. Tolerogenic nanoparticles can induce immune tolerance, especially in autoimmune diseases. EVs can deliver cargo to specific cells without restrictions. Accordingly, EVs can be used to deliver tolerogenic nanoparticles, including iron oxide-peptide-major histocompatibility complex, polyethylene glycol-silver-2-(1'H-indole-3'-carbonyl)-thiazole-4-carboxylic acid methyl ester, and carboxylated poly (lactic-co-glycolic acid) nanoparticles coupled with or encapsulating an antigen, to effectively treat autoimmune T1DM. The present work highlights the advances in exosome-based delivery of tolerogenic nanoparticles for the treatment of autoimmune T1DM.
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Affiliation(s)
- Alok Raghav
- Multidisciplinary Research Unit, Sponsored by Department of Health Research, Ministry of Health and Family Welfare, GSVM Medical College, Kanpur 208002, India
| | - Hamid Ashraf
- Rajiv Gandhi Centre for Diabetes and Endocrinology, J.N. Medical College, Aligarh Muslim University, Aligarh 202002, India
| | - Goo-Bo Jeong
- Department of Anatomy and Cell Biology, College of Medicine, Gachon University, 155 Getbeol-ro Yeonsu-gu, Incheon 21999, Republic of Korea
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7
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Chellappan DK, Bhandare RR, Shaik AB, Prasad K, Suhaimi NAA, Yap WS, Das A, Banerjee P, Ghosh N, Guith T, Das A, Balakrishnan S, Candasamy M, Mayuren J, Palaniveloo K, Gupta G, Singh SK, Dua K. Vaccine for Diabetes-Where Do We Stand? Int J Mol Sci 2022; 23:ijms23169470. [PMID: 36012735 PMCID: PMC9409121 DOI: 10.3390/ijms23169470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
Diabetes is an endocrinological disorder with a rapidly increasing number of patients globally. Over the last few years, the alarming status of diabetes has become a pivotal factor pertaining to morbidity and mortality among the youth as well as middle-aged people. Current developments in our understanding related to autoimmune responses leading to diabetes have developed a cause for concern in the prospective usage of immunomodulatory agents to prevent diabetes. The mechanism of action of vaccines varies greatly, such as removing autoreactive T cells and inhibiting the interactions between immune cells. Currently, most developed diabetes vaccines have been tested in animal models, while only a few human trials have been completed with positive outcomes. In this review, we investigate the undergoing clinical trial studies for the development of a prototype diabetes vaccine.
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Affiliation(s)
- Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
- Correspondence: (D.K.C.); (R.R.B.); Tel.: +60-12-636-1308 (D.K.C.); +971-6-705-6227 (R.R.B.)
| | - Richie R. Bhandare
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, Ajman University, Al-Jruf, Ajman P.O. Box 346, United Arab Emirates
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Al-Jruf, Ajman P.O. Box 346, United Arab Emirates
- Correspondence: (D.K.C.); (R.R.B.); Tel.: +60-12-636-1308 (D.K.C.); +971-6-705-6227 (R.R.B.)
| | - Afzal B. Shaik
- St. Mary’s College of Pharmacy, St. Mary’s Group of Institutions Guntur, Chebrolu, Guntur 522212, India
| | - Krishna Prasad
- Department of Clinical Sciences, College of Dentistry, Centre of Medical and Bio-Allied Health Science Research, Ajman University, Al-Jruf, Ajman P.O. Box 346, United Arab Emirates
| | | | - Wei Sheng Yap
- School of Health Sciences, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Arpita Das
- Department of Biotechnology, Adamas University, Kolkata 700126, India
| | - Pradipta Banerjee
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Nandini Ghosh
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Tanner Guith
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Amitava Das
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | | | - Mayuren Candasamy
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Jayashree Mayuren
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Kishneth Palaniveloo
- C302, Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jaipur 302017, India
- Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, India
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun 248007, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara 144411, India
- Australian Research Centre in Complementary and Integrative Medicine, Faculty of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Kamal Dua
- Australian Research Centre in Complementary and Integrative Medicine, Faculty of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
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8
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Dendritic Cells and Their Immunotherapeutic Potential for Treating Type 1 Diabetes. Int J Mol Sci 2022; 23:ijms23094885. [PMID: 35563276 PMCID: PMC9099521 DOI: 10.3390/ijms23094885] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/22/2022] [Accepted: 04/26/2022] [Indexed: 12/15/2022] Open
Abstract
Type 1 diabetes (T1D) results from the destruction of pancreatic beta cells through a process that is primarily mediated by T cells. Emerging evidence suggests that dendritic cells (DCs) play a crucial role in initiating and developing this debilitating disease. DCs are professional antigen-presenting cells with the ability to integrate signals arising from tissue infection or injury that present processed antigens from these sites to naïve T cells in secondary lymphoid organs, thereby triggering naïve T cells to differentiate and modulate adaptive immune responses. Recent advancements in our knowledge of the various subsets of DCs and their cellular structures and methods of orchestration over time have resulted in a better understanding of how the T cell response is shaped. DCs employ various arsenal to maintain their tolerance, including the induction of effector T cell deletion or unresponsiveness and the generation and expansion of regulatory T cell populations. Therapies that suppress the immunogenic effects of dendritic cells by blocking T cell costimulatory pathways and proinflammatory cytokine production are currently being sought. Moreover, new strategies are being developed that can regulate DC differentiation and development and harness the tolerogenic capacity of these cells. Here, in this report, we focus on recent advances in the field of DC immunology and evaluate the prospects of DC-based therapeutic strategies to treat T1D.
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9
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Zeynaloo E, Stone LD, Dikici E, Ricordi C, Deo SK, Bachas LG, Daunert S, Lanzoni G. Delivery of therapeutic agents and cells to pancreatic islets: Towards a new era in the treatment of diabetes. Mol Aspects Med 2022; 83:101063. [PMID: 34961627 PMCID: PMC11328325 DOI: 10.1016/j.mam.2021.101063] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 02/07/2023]
Abstract
Pancreatic islet cells, and in particular insulin-producing beta cells, are centrally involved in the pathogenesis of diabetes mellitus. These cells are of paramount importance for the endocrine control of glycemia and glucose metabolism. In Type 1 Diabetes, islet beta cells are lost due to an autoimmune attack. In Type 2 Diabetes, beta cells become dysfunctional and insufficient to counterbalance insulin resistance in peripheral tissues. Therapeutic agents have been developed to support the function of islet cells, as well as to inhibit deleterious immune responses and inflammation. Most of these agents have undesired effects due to systemic administration and off-target effects. Typically, only a small fraction of therapeutic agent reaches the desired niche in the pancreas. Because islets and their beta cells are scattered throughout the pancreas, access to the niche is limited. Targeted delivery to pancreatic islets could dramatically improve the therapeutic effect, lower the dose requirements, and lower the side effects of agents administered systemically. Targeted delivery is especially relevant for those therapeutics for which the manufacturing is difficult and costly, such as cells, exosomes, and microvesicles. Along with therapeutic agents, imaging reagents intended to quantify the beta cell mass could benefit from targeted delivery. Several methods have been developed to improve the delivery of agents to pancreatic islets. Intra-arterial administration in the pancreatic artery is a promising surgical approach, but it has inherent risks. Targeted delivery strategies have been developed based on ligands for cell surface molecules specific to islet cells or inflamed vascular endothelial cells. Delivery methods range from nanocarriers and vectors to deliver pharmacological agents to viral and non-viral vectors for the delivery of genetic constructs. Several strategies demonstrated enhanced therapeutic effects in diabetes with lower amounts of therapeutic agents and lower off-target side effects. Microvesicles, exosomes, polymer-based vectors, and nanocarriers are gaining popularity for targeted delivery. Notably, liposomes, lipid-assisted nanocarriers, and cationic polymers can be bioengineered to be immune-evasive, and their advantages to transport cargos into target cells make them appealing for pancreatic islet-targeted delivery. Viral vectors have become prominent tools for targeted gene delivery. In this review, we discuss the latest strategies for targeted delivery of therapeutic agents and imaging reagents to pancreatic islet cells.
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Affiliation(s)
- Elnaz Zeynaloo
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Department of Chemistry, University of Miami, FL, USA.
| | - Logan D Stone
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL, USA; Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.
| | - Emre Dikici
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute - BioNIUM at University of Miami, Miami, FL, USA
| | - Camillo Ricordi
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL, USA; Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Sapna K Deo
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute - BioNIUM at University of Miami, Miami, FL, USA
| | - Leonidas G Bachas
- Department of Chemistry, University of Miami, FL, USA; Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute - BioNIUM at University of Miami, Miami, FL, USA
| | - Sylvia Daunert
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute - BioNIUM at University of Miami, Miami, FL, USA; Clinical and Translational Science Institute, University of Miami, Miami, FL, USA
| | - Giacomo Lanzoni
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL, USA; Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute - BioNIUM at University of Miami, Miami, FL, USA.
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10
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Montaño J, Garnica J, Santamaria P. Immunomodulatory and immunoregulatory nanomedicines for autoimmunity. Semin Immunol 2021; 56:101535. [PMID: 34969600 DOI: 10.1016/j.smim.2021.101535] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 11/11/2021] [Accepted: 11/18/2021] [Indexed: 01/10/2023]
Abstract
Autoimmune diseases, caused by cellularly and molecularly complex immune responses against self-antigens, are largely treated with broad-acting, non-disease-specific anti-inflammatory drugs. These compounds can attenuate autoimmune inflammation, but tend to impair normal immunity against infection and cancer, cannot restore normal immune homeostasis and are not curative. Nanoparticle (NP)- and microparticle (MP)-based delivery of immunotherapeutic agents affords a unique opportunity to not only increase the specificity and potency of broad-acting immunomodulators, but also to elicit the formation of organ-specific immunoregulatory cell networks capable of inducing bystander immunoregulation. Here, we review the various NP/MP-based strategies that have so far been tested in models of experimental and/or spontaneous autoimmunity, with a focus on mechanisms of action.
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Affiliation(s)
- Javier Montaño
- Institut D'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, 08036, Spain
| | - Josep Garnica
- Institut D'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, 08036, Spain
| | - Pere Santamaria
- Institut D'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, 08036, Spain; Julia McFarlane Diabetes Research Centre (JMDRC) and Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Alberta, T2N 4N1, Canada.
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11
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Yang Y, Santamaria P. Evolution of nanomedicines for the treatment of autoimmune disease: From vehicles for drug delivery to inducers of bystander immunoregulation. Adv Drug Deliv Rev 2021; 176:113898. [PMID: 34314782 DOI: 10.1016/j.addr.2021.113898] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 07/08/2021] [Accepted: 07/23/2021] [Indexed: 12/13/2022]
Abstract
Over the last two decades, the nanomedicine field has witnessed an explosive growth of research on the development of nanoparticle/microparticle (NP/MP)-based compounds for the treatment of autoimmune diseases. Studies have evaluated compounds generated with a broad range of materials with different shapes, sizes, surface chemistries and structures. A number of active pharmaceutical ingredients, including immunosuppressants, cytokines, nucleotides, peptides, proteins and immunomodulators of various types have been encapsulated into or incorporated onto the surface of these compounds, either individually or in combination, and delivered to animal models of autoimmune inflammation via different administration routes. These NP/MP-based compounds can be categorized into four different groups based on their intended mechanisms of action. Here, we review the engineering designs, the pharmacodynamic and therapeutic correlates and the disease specificity of nanomedicines belonging to each of these groups.
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Affiliation(s)
- Yang Yang
- Julia McFarlane Diabetes Research Centre (JMDRC) and Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Alberta T2N 4N1 Canada; Department of Biochemistry and Molecular Biology and Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Alberta T2N 4N1, Canada.
| | - Pere Santamaria
- Julia McFarlane Diabetes Research Centre (JMDRC) and Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Alberta T2N 4N1 Canada; Institut D'Investigacions Biomèdiques August Pi i Sunyer, Barcelona 08036, Spain.
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12
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Ilić N, Kosanović M, Gruden-Movsesijan A, Glamočlija S, Sofronić-Milosavljević L, Čolić M, Tomić S. Harnessing immunomodulatory mechanisms of Trichinella spiralis to design novel nanomedical approaches for restoring self-tolerance in autoimmunity. Immunol Lett 2021; 238:57-67. [PMID: 34363897 DOI: 10.1016/j.imlet.2021.04.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/28/2021] [Accepted: 04/28/2021] [Indexed: 01/13/2023]
Abstract
The rapid increase in the prevalence of autoimmune diseases in recent decades, especially in developed countries, coincided with improved living conditions and healthcare. Part of this increase could be ascribed to the lack of exposure to infectious agents like helminths that co-evolved with us and display potent immune regulatory actions. In this review we discussed many investigations, including our own, showing that Trichinella spiralis via its excretory-secretory products attenuate Th1/Th17 immunopathological response in autoimmunity and potentiate the protective Th2 and or regulatory T cell response, acting as an effective induction of tolerogenic dendritic cells (DCs), and probably mimicking the autoantigen in some diseases. A recent discovery of T. spiralis extracellular vesicles (TsEVs) suggested that inducing a complex regulation of the immune response requires simultaneous delivery of different signals in nano-sized packages. Indeed, different artificial nanomedical approaches discussed here suggested that co-delivery of multiple signals via nanoparticles is the most promising strategy for the treatment of autoimmune diseases. Although a long way is ahead of us before we could completely replicate natural nano-delivery systems which are both safe and potent in restoring self-tolerance, a clear path is being opened from a careful examination of parasite-host interactions.
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Affiliation(s)
- Nataša Ilić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia
| | - Maja Kosanović
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia
| | - Alisa Gruden-Movsesijan
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia
| | - Sofija Glamočlija
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia
| | - Ljiljana Sofronić-Milosavljević
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia
| | - Miodrag Čolić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia; Medical Faculty Foča, University of East Sarajevo, Bosnia and Hercegovina; Serbian Academy of Sciences and Arts, Belgrade, Serbia
| | - Sergej Tomić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University in Belgrade, Serbia.
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13
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Affiliation(s)
- Roberto Mallone
- Université de Paris, Institut Cochin, CNRS, INSERM, Paris, France
- Assistance Publique Hôpitaux de Paris, Cochin Hospital, Service de Diabétologie et Immunologie Clinique, Paris, France
| | - Sylvaine You
- Université de Paris, Institut Cochin, CNRS, INSERM, Paris, France
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14
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Ríos-Ríos WDJ, Sosa-Luis SA, Torres-Aguilar H. Current advances in using tolerogenic dendritic cells as a therapeutic alternative in the treatment of type 1 diabetes. World J Diabetes 2021; 12:603-615. [PMID: 33995848 PMCID: PMC8107985 DOI: 10.4239/wjd.v12.i5.603] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/26/2021] [Accepted: 04/21/2021] [Indexed: 02/06/2023] Open
Abstract
Type 1 diabetes (T1D) is an autoimmune disease characterized by the destruction of insulin-producing β-cells of the pancreatic islets by autoreactive T cells, leading to high blood glucose levels and severe long-term complications. The typical treatment indicated in T1D is exogenous insulin administration, which controls glucose levels; however, it does not stop the autoimmune process. Various strategies have been implemented aimed at stopping β-cell destruction, such as cellular therapy. Dendritic cells (DCs) as an alternative in cellular therapy have gained great interest for autoimmune disease therapy due to their plasticity to acquire immunoregulatory properties both in vivo and in vitro, performing functions such as anti-inflammatory cytokine secretion and suppression of autoreactive lymphocytes, which are dependent of their tolerogenic phenotype, displayed by features such as semimature phenotype, low surface expression of stimulatory molecules to prime T cells, as well as the elevated expression of inhibitory markers. DCs may be obtained and propagated easily in optimal amounts from peripheral blood or bone marrow precursors, such as monocytes or hematopoietic stem cells, respectively; therefore, various protocols have been established for tolerogenic (tol)DCs manufacturing for therapeutic research in the treatment of T1D. In this review, we address the current advances in the use of tolDCs for T1D therapy, encompassing protocols for their manufacturing, the data obtained from preclinical studies carried out, and the status of clinical research evaluating the safety, feasibility, and effectiveness of tolDCs.
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Affiliation(s)
- William de Jesús Ríos-Ríos
- Department of Biochemical Sciences Faculty, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68120, Mexico
| | - Sorely Adelina Sosa-Luis
- Department of Molecular Biomedicine, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico
| | - Honorio Torres-Aguilar
- Department of Biochemical Sciences Faculty, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca 68120, Mexico
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15
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Phillips BE, Garciafigueroa Y, Engman C, Liu W, Wang Y, Lakomy RJ, Meng WS, Trucco M, Giannoukakis N. Arrest in the Progression of Type 1 Diabetes at the Mid-Stage of Insulitic Autoimmunity Using an Autoantigen-Decorated All- trans Retinoic Acid and Transforming Growth Factor Beta-1 Single Microparticle Formulation. Front Immunol 2021; 12:586220. [PMID: 33763059 PMCID: PMC7982719 DOI: 10.3389/fimmu.2021.586220] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 02/15/2021] [Indexed: 12/17/2022] Open
Abstract
Type 1 diabetes (T1D) is a disorder of impaired glucoregulation due to lymphocyte-driven pancreatic autoimmunity. Mobilizing dendritic cells (DC) in vivo to acquire tolerogenic activity is an attractive therapeutic approach as it results in multiple and overlapping immunosuppressive mechanisms. Delivery of agents that can achieve this, in the form of micro/nanoparticles, has successfully prevented a number of autoimmune conditions in vivo. Most of these formulations, however, do not establish multiple layers of immunoregulation. all-trans retinoic acid (RA) together with transforming growth factor beta 1 (TGFβ1), in contrast, has been shown to promote such mechanisms. When delivered in separate nanoparticle vehicles, they successfully prevent the progression of early-onset T1D autoimmunity in vivo. Herein, we show that the approach can be simplified into a single microparticle formulation of RA + TGFβ1 with surface decoration with the T1D-relevant insulin autoantigen. We show that the onset of hyperglycemia is prevented when administered into non-obese diabetic mice that are at the mid-stage of active islet-selective autoimmunity. Unexpectedly, the preventive effects do not seem to be mediated by increased numbers of regulatory T-lymphocytes inside the pancreatic lymph nodes, at least following acute administration of microparticles. Instead, we observed a mild increase in the frequency of regulatory B-lymphocytes inside the mesenteric lymph nodes. These data suggest additional and potentially-novel mechanisms that RA and TGFβ1 could be modulating to prevent progression of mid-stage autoimmunity to overt T1D. Our data further strengthen the rationale to develop RA+TGFβ1-based micro/nanoparticle “vaccines” as possible treatments of pre-symptomatic and new-onset T1D autoimmunity.
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Affiliation(s)
- Brett E Phillips
- Institute of Cellular Therapeutics, Allegheny Health Network, Pittsburgh, PA, United States
| | - Yesica Garciafigueroa
- Institute of Cellular Therapeutics, Allegheny Health Network, Pittsburgh, PA, United States
| | - Carl Engman
- Institute of Cellular Therapeutics, Allegheny Health Network, Pittsburgh, PA, United States
| | - Wen Liu
- Institute of Cellular Therapeutics, Allegheny Health Network, Pittsburgh, PA, United States.,Graduate School of Pharmaceutical Sciences, Duquesne University, Pittsburgh, PA, United States
| | - Yiwei Wang
- Graduate School of Pharmaceutical Sciences, Duquesne University, Pittsburgh, PA, United States
| | - Robert J Lakomy
- Institute of Cellular Therapeutics, Allegheny Health Network, Pittsburgh, PA, United States
| | - Wilson S Meng
- Graduate School of Pharmaceutical Sciences, Duquesne University, Pittsburgh, PA, United States.,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Massimo Trucco
- Institute of Cellular Therapeutics, Allegheny Health Network, Pittsburgh, PA, United States
| | - Nick Giannoukakis
- Institute of Cellular Therapeutics, Allegheny Health Network, Pittsburgh, PA, United States
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16
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Bassin EJ, Piganelli JD, Little SR. Auto-antigen and Immunomodulatory Agent-Based Approaches for Antigen-Specific Tolerance in NOD Mice. Curr Diab Rep 2021; 21:9. [PMID: 33547977 DOI: 10.1007/s11892-021-01376-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/08/2021] [Indexed: 10/22/2022]
Abstract
PURPOSE OF REVIEW Type 1 diabetes (T1D) can be managed by insulin replacement, but it is still associated with an increased risk of microvascular/cardiovascular complications. There is considerable interest in antigen-specific approaches for treating T1D due to their potential for a favorable risk-benefit ratio relative to non-specific immune-based treatments. Here we review recent antigen-specific tolerance approaches using auto-antigen and/or immunomodulatory agents in NOD mice and provide insight into seemingly contradictory findings. RECENT FINDINGS Although delivery of auto-antigen alone can prevent T1D in NOD mice, this approach may be prone to inconsistent results and has not demonstrated an ability to reverse established T1D. Conversely, several approaches that promote presentation of auto-antigen in a tolerogenic context through cell/tissue targeting, delivery system properties, or the delivery of immunomodulatory agents have had success in reversing recent-onset T1D in NOD mice. While initial auto-antigen based approaches were unable to substantially influence T1D progression clinically, recent antigen-specific approaches have promising potential.
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Affiliation(s)
- Ethan J Bassin
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA.
| | - Jon D Piganelli
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA.
- Division of Pediatric Surgery, Department of Surgery, Children's Hospital of Pittsburgh, University of Pittsburgh, 4401 Penn Avenue, 6125 Rangos Research Center, Pittsburgh, PA, 15224, USA.
| | - Steven R Little
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA.
- Department of Chemical Engineering, University of Pittsburgh, 3700 O'Hara Street, 940 Benedum Hall, Pittsburgh, PA, 15261, USA.
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA.
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, USA.
- Department of Pharmaceutical Science, University of Pittsburgh, Pittsburgh, PA, USA.
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17
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Luo YL, Liang LF, Gan YJ, Liu J, Zhang Y, Fan YN, Zhao G, Czarna A, Lu ZD, Du XJ, Shen S, Xu CF, Lian ZX, Wang J. An All-in-One Nanomedicine Consisting of CRISPR-Cas9 and an Autoantigen Peptide for Restoring Specific Immune Tolerance. ACS APPLIED MATERIALS & INTERFACES 2020; 12:48259-48271. [PMID: 33070614 DOI: 10.1021/acsami.0c10885] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Nanotechnology has shown great promise in treating diverse diseases. However, developing nanomedicines that can cure autoimmune diseases without causing systemic immunosuppression is still quite challenging. Herein, we propose an all-in-one nanomedicine comprising an autoantigen peptide and CRISPR-Cas9 to restore specific immune tolerance by engineering dendritic cells (DCs) into a tolerogenic phenotype, which can expand autoantigen-specific regulatory T (Treg) cells. In brief, we utilized cationic lipid-assisted poly(ethylene glycol)-b-poly(lactide-co-glycolide) (PEG-PLGA) nanoparticles to simultaneously encapsulate an autoimmune diabetes-relevant peptide (2.5mi), a CRISPR-Cas9 plasmid (pCas9), and three guide RNAs (gRNAs) targeting costimulatory molecules (CD80, CD86, and CD40). We demonstrated that the all-in-one nanomedicine was able to effectively codeliver these components into DCs, followed by simultaneous disruption of the three costimulatory molecules and presentation of the 2.5mi peptide on the genome-edited DCs. The resulting tolerogenic DCs triggered the generation and expansion of autoantigen-specific Treg cells by presenting the 2.5mi peptide to CD4+ T cells in the absence of costimulatory signals. Using autoimmune type 1 diabetes (T1D) as a typical disease model, we demonstrated that our nanomedicine prevented autoimmunity to islet components and inhibited T1D development. Our all-in-one nanomedicine achieved codelivery of CRISPR-Cas9 and the peptide to DCs and could be easily applied to other autoimmune diseases by substitution of different autoantigen peptides.
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Affiliation(s)
- Ying-Li Luo
- Guangzhou First People's Hospital, School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 510006, P. R. China
| | - Li-Fang Liang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, P. R. China
| | - Yun-Jiu Gan
- Hefei National Laboratory for Physical Sciences at the Microscale, School of Life Sciences, University of Science and Technology of China, Hefei 230027, P. R. China
| | - Jing Liu
- Guangzhou First People's Hospital, School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 510006, P. R. China
| | - Yue Zhang
- Guangzhou First People's Hospital, School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 510006, P. R. China
| | - Ya-Nan Fan
- Guangzhou First People's Hospital, School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 510006, P. R. China
| | - Gui Zhao
- Guangzhou First People's Hospital, School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 510006, P. R. China
| | - Anna Czarna
- Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou 510006, P. R. China
| | - Zi-Dong Lu
- Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou 510006, P. R. China
| | - Xiao-Jiao Du
- Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou 510006, P. R. China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, P. R. China
| | - Song Shen
- Guangzhou First People's Hospital, School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 510006, P. R. China
| | - Cong-Fei Xu
- Guangzhou First People's Hospital, School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 510006, P. R. China
| | - Zhe-Xiong Lian
- Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou 510006, P. R. China
| | - Jun Wang
- Guangzhou First People's Hospital, School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 510006, P. R. China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, P. R. China
- Key Laboratory of Biomedical Engineering of Guangdong Province, and Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, P. R. China
- Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou 510005, P. R. China
- Research Institute for Food Nutrition and Human Health, Guangzhou 510641, P. R. China
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18
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Passerini L, Gregori S. Induction of Antigen-Specific Tolerance in T Cell Mediated Diseases. Front Immunol 2020; 11:2194. [PMID: 33133064 PMCID: PMC7550404 DOI: 10.3389/fimmu.2020.02194] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 08/11/2020] [Indexed: 12/22/2022] Open
Abstract
The development of novel approaches to control unwanted immune responses represents an ambitious goal in the management of a number of clinical conditions, including autoimmunity, autoinflammatory diseases, allergies and replacement therapies, in which the T cell response to self or non-harmful antigens threatens the physiological function of tissues and organs. Current treatments for these conditions rely on the use of non-specific immunosuppressive agents and supportive therapies, which may efficiently dampen inflammation and compensate for organ dysfunction, but they require lifelong treatments not devoid of side effects. These limitations induced researchers to undertake the development of definitive and specific solutions to these disorders: the underlying principle of the novel approaches relies on the idea that empowering the tolerogenic arm of the immune system would restore the immune homeostasis and control the disease. Researchers effort resulted in the development of cell-free strategies, including gene vaccination, protein-based approaches and nanoparticles, and an increasing number of clinical trials tested the ability of adoptive transfer of regulatory cells, including T and myeloid cells. Here we will provide an overview of the most promising approaches currently under development, and we will discuss their potential advantages and limitations. The field is teaching us that the success of these strategies depends primarily on our ability to dampen antigen-specific responses without impairing protective immunity, and to manipulate directly or indirectly the immunomodulatory properties of antigen presenting cells, the ultimate in vivo mediators of tolerance.
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Affiliation(s)
- Laura Passerini
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Silvia Gregori
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Milan, Italy
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19
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Kwiatkowski AJ, Stewart JM, Cho JJ, Avram D, Keselowsky BG. Nano and Microparticle Emerging Strategies for Treatment of Autoimmune Diseases: Multiple Sclerosis and Type 1 Diabetes. Adv Healthc Mater 2020; 9:e2000164. [PMID: 32519501 DOI: 10.1002/adhm.202000164] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/12/2020] [Indexed: 02/06/2023]
Abstract
Autoimmune diseases affect 10% of the world's population, and 1 in 200 people worldwide suffer from either multiple sclerosis (MS) or type 1 diabetes (T1D). While the targeted organ systems are different, MS and T1D share similarities in terms of autoreactive immune cells playing a critical role in pathogenesis. Both diseases can be managed only symptomatically without curative remission, and treatment options are limited and non-specific. Most current therapies cause some degree of systemic immune suppression, leaving the patients susceptible to opportunistic infections and other complications. Thus, there is considerable interest in the development of immunotherapies not associated with generalized immune suppression for these diseases. This review presents current and preclinical strategies for MS and T1D treatment, emphasizing those aimed to modulate the immune response, including the most recent strategies for tolerance induction. A central focus is on the emerging approaches using nano- and microparticle platforms, their evolution as immunotherapeutic carriers, including those incorporating specific antigens to induce tolerance and reduce unwanted generalized immune suppression.
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Affiliation(s)
- Alexander J Kwiatkowski
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, 32611, USA
| | - Joshua M Stewart
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, 32611, USA
| | - Jonathan J Cho
- Department of Anatomy and Cell Biology, College of Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Dorina Avram
- Department of Anatomy and Cell Biology, College of Medicine, University of Florida, Gainesville, FL, 32610, USA
- UF Health Cancer Center, University of Florida, Gainesville, FL, 32610, USA
| | - Benjamin G Keselowsky
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, 32611, USA
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20
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Pan W, Zheng X, Chen G, Su L, Luo S, Wang W, Ye S, Weng J, Min Y. Nanotechnology's application in Type 1 diabetes. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1645. [PMID: 32558337 DOI: 10.1002/wnan.1645] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/17/2020] [Accepted: 04/17/2020] [Indexed: 12/16/2022]
Abstract
Type 1 diabetes mellitus (T1D) is an autoimmune disease caused by the immune system attacking islet cells. T1D, with a long prediabetes period, and the incidence of T1D increases with age during childhood and peaks at 10-14 years. And once it gets overt, it requires lifelong insulin replace treatment. Therefore, the diagnosis of early-stage T1D and effective treatments are important for the management of T1D patients. The imaging methods, such as magnetic resonance imaging (MRI) and so on, were applied in diagnosis of the early stage T1D and its development tracking. The addition of nanomaterials, especially in MRI, can improve the quality of T1D imaging for the diagnosis of T1D at early stage and cause less harm to human body. Meantime, among various treatment options, islet transplantation and immunotherapy are promising, effective, and less independent on insulin. The addition of nanotechnology can effectively reduce the attack of the immune system on drugs and cells, making the therapeutic drug more targeted in the body and prolonging the action time between drugs and cells, thus its addition makes these therapy safer and more efficient. In this review, we attempt to summarize the recent advances in the development of nanotechnology advances of T1D including using nanomaterials for the diagnosis and immunological imaging of T1D, protecting the transplanted islet cells from immune system attack, and delivering relevant molecules to targeted immunocytes. This article is categorized under: Diagnostic Tools > in vivo Nanodiagnostics and Imaging Therapeutic Approaches and Drug Discovery > Emerging Technologies Implantable Materials and Surgical Technologies > Nanotechnology in Tissue Repair and Replacement.
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Affiliation(s)
- Wen Pan
- Department of Endocrinology, The First Affiliated Hospital of USTC, Anhui Provincial Hospital, University of Science and Technology of China, Hefei, China.,CAS Key Lab of Soft Matter Chemistry, University of Science and Technology of China, Hefei, China.,Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Xueying Zheng
- Department of Endocrinology, The First Affiliated Hospital of USTC, Anhui Provincial Hospital, University of Science and Technology of China, Hefei, China
| | - Guiyuan Chen
- Department of Endocrinology, The First Affiliated Hospital of USTC, Anhui Provincial Hospital, University of Science and Technology of China, Hefei, China.,CAS Key Lab of Soft Matter Chemistry, University of Science and Technology of China, Hefei, China.,Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Lanhong Su
- Department of Endocrinology, The First Affiliated Hospital of USTC, Anhui Provincial Hospital, University of Science and Technology of China, Hefei, China.,CAS Key Lab of Soft Matter Chemistry, University of Science and Technology of China, Hefei, China.,Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Sihui Luo
- Department of Endocrinology, The First Affiliated Hospital of USTC, Anhui Provincial Hospital, University of Science and Technology of China, Hefei, China
| | - Wei Wang
- Department of Endocrinology, The First Affiliated Hospital of USTC, Anhui Provincial Hospital, University of Science and Technology of China, Hefei, China
| | - Shandong Ye
- Department of Endocrinology, The First Affiliated Hospital of USTC, Anhui Provincial Hospital, University of Science and Technology of China, Hefei, China
| | - Jianping Weng
- Department of Endocrinology, The First Affiliated Hospital of USTC, Anhui Provincial Hospital, University of Science and Technology of China, Hefei, China.,Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yuanzeng Min
- Department of Endocrinology, The First Affiliated Hospital of USTC, Anhui Provincial Hospital, University of Science and Technology of China, Hefei, China.,CAS Key Lab of Soft Matter Chemistry, University of Science and Technology of China, Hefei, China.,Department of Chemistry, University of Science and Technology of China, Hefei, China.,Department of Bio-X Interdisciplinary Science at Hefei National Laboratory (HFNL) for Physical Science at the Microscale, University of Science and Technology of China, Hefei, China
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21
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Stabler CL, Li Y, Stewart JM, Keselowsky BG. Engineering immunomodulatory biomaterials for type 1 diabetes. NATURE REVIEWS. MATERIALS 2019; 4:429-450. [PMID: 32617176 PMCID: PMC7332200 DOI: 10.1038/s41578-019-0112-5] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
A cure for type 1 diabetes (T1D) would help millions of people worldwide, but remains elusive thus far. Tolerogenic vaccines and beta cell replacement therapy are complementary therapies that seek to address aberrant T1D autoimmune attack and subsequent beta cell loss. However, both approaches require some form of systematic immunosuppression, imparting risks to the patient. Biomaterials-based tools enable localized and targeted immunomodulation, and biomaterial properties can be designed and combined with immunomodulatory agents to locally instruct specific immune responses. In this Review, we discuss immunomodulatory biomaterial platforms for the development of T1D tolerogenic vaccines and beta cell replacement devices. We investigate nano- and microparticles for the delivery of tolerogenic agents and autoantigens, and as artificial antigen presenting cells, and highlight how bulk biomaterials can be used to provide immune tolerance. We examine biomaterials for drug delivery and as immunoisolation devices for cell therapy and islet transplantation, and explore synergies with other fields for the development of new T1D treatment strategies.
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Affiliation(s)
- CL Stabler
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
- Interdisciplinary Graduate Program in Biomedical Sciences, University of Florida, Gainesville, FL, USA
- University of Florida Diabetes Institute, Gainesville, FL, USA
| | - Y Li
- Interdisciplinary Graduate Program in Biomedical Sciences, University of Florida, Gainesville, FL, USA
| | - JM Stewart
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - BG Keselowsky
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
- Interdisciplinary Graduate Program in Biomedical Sciences, University of Florida, Gainesville, FL, USA
- University of Florida Diabetes Institute, Gainesville, FL, USA
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22
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Funda DP, Palová-Jelínková L, Goliáš J, Kroulíková Z, Fajstová A, Hudcovic T, Špíšek R. Optimal Tolerogenic Dendritic Cells in Type 1 Diabetes (T1D) Therapy: What Can We Learn From Non-obese Diabetic (NOD) Mouse Models? Front Immunol 2019; 10:967. [PMID: 31139178 PMCID: PMC6527741 DOI: 10.3389/fimmu.2019.00967] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 04/15/2019] [Indexed: 12/21/2022] Open
Abstract
Tolerogenic dendritic cells (tolDCs) are explored as a promising standalone or combination therapy in type 1 diabetes (T1D). The therapeutic application of tolDCs, including in human trials, has been tested also in other autoimmune diseases, however, T1D displays some unique features. In addition, unlike in several disease-induced animal models of autoimmune diseases, the prevalent animal model for T1D, the NOD mouse, develops diabetes spontaneously. This review compares evidence of various tolDCs approaches obtained from animal (mainly NOD) models of T1D with a focus on parameters of this cell-based therapy such as protocols of tolDC preparation, antigen-specific vs. unspecific approaches, doses of tolDCs and/or autoantigens, application schemes, application routes, the migration of tolDCs as well as their preventive, early pre-onset intervention or curative effects. This review also discusses perspectives of tolDC therapy and areas of preclinical research that are in need of better clarification in animal models in a quest for effective and optimal tolDC therapies of T1D in humans.
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Affiliation(s)
- David P Funda
- Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Prague, Czechia
| | - Lenka Palová-Jelínková
- SOTIO a s., Prague, Czechia.,Department of Immunology, 2nd Medical School, Charles University, Prague, Czechia
| | - Jaroslav Goliáš
- Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Prague, Czechia
| | - Zuzana Kroulíková
- Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Prague, Czechia
| | - Alena Fajstová
- Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Prague, Czechia
| | - Tomáš Hudcovic
- Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Prague, Czechia
| | - Radek Špíšek
- SOTIO a s., Prague, Czechia.,Department of Immunology, 2nd Medical School, Charles University, Prague, Czechia
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23
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Lewis JS, Stewart JM, Marshall GP, Carstens MR, Zhang Y, Dolgova NV, Xia C, Brusko TM, Wasserfall CH, Clare-Salzler MJ, Atkinson MA, Keselowsky BG. Dual-Sized Microparticle System for Generating Suppressive Dendritic Cells Prevents and Reverses Type 1 Diabetes in the Nonobese Diabetic Mouse Model. ACS Biomater Sci Eng 2019; 5:2631-2646. [PMID: 31119191 PMCID: PMC6518351 DOI: 10.1021/acsbiomaterials.9b00332] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 03/26/2019] [Indexed: 02/08/2023]
Abstract
![]()
Antigen
specificity is a primary goal in developing curative therapies
for autoimmune disease. Dendritic cells (DCs), as the most effective
antigen presenting cells in the body, represent a key target to mediate
restoration of antigen-specific immune regulation. Here, we describe
an injectable, dual-sized microparticle (MP) approach that employs
phagocytosable ∼1 μm and nonphagocytosable ∼30
μm MPs to deliver tolerance-promoting factors both intracellularly
and extracellularly, as well as the type 1 diabetes autoantigen, insulin,
to DCs for reprogramming of immune responses and remediation of autoimmunity.
This poly(lactic-co-glycolic acid) (PLGA) MP system
prevented diabetes onset in 60% of nonobese diabetic (NOD) mice when
administered subcutaneously in 8 week old mice. Prevention of disease
was dependent upon antigen inclusion and required encapsulation of
factors in MPs. Moreover, administration of this “suppressive-vaccine”
boosted pancreatic lymph node and splenic regulatory T cells (Tregs),
upregulated PD-1 on CD4+ and CD8+ T cells, and
reversed hyperglycemia for up to 100 days in recent-onset NOD mice.
Our results demonstrate that a MP-based platform can reeducate the
immune system in an antigen-specific manner, augment immunomodulation
compared to soluble administration of drugs, and provide a promising
alternative to systemic immunosuppression for autoimmunity.
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Affiliation(s)
- Jamal S Lewis
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Drive, Gainesville, Florida 32611, United States.,OneVax, LLC, 12085 Research Drive, Alachua, Florida 32615, United States.,Department of Biomedical Engineering, University of California-Davis, One Shields Avenue, Davis, California 95616, United States
| | - Joshua M Stewart
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Drive, Gainesville, Florida 32611, United States
| | - Gregory P Marshall
- OneVax, LLC, 12085 Research Drive, Alachua, Florida 32615, United States
| | - Matthew R Carstens
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Drive, Gainesville, Florida 32611, United States
| | - Ying Zhang
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Drive, Gainesville, Florida 32611, United States
| | - Natalia V Dolgova
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Drive, Gainesville, Florida 32611, United States
| | - Changqing Xia
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, 1600 SW Archer Road, Gainesville, Florida 32611, United States
| | - Todd M Brusko
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, 1600 SW Archer Road, Gainesville, Florida 32611, United States
| | - Clive H Wasserfall
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, 1600 SW Archer Road, Gainesville, Florida 32611, United States
| | - Michael J Clare-Salzler
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, 1600 SW Archer Road, Gainesville, Florida 32611, United States
| | - Mark A Atkinson
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, 1600 SW Archer Road, Gainesville, Florida 32611, United States.,Department of Pediatrics, University of Florida, 1600 SW Archer Road, Gainesville, Florida 32611, United States
| | - Benjamin G Keselowsky
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Drive, Gainesville, Florida 32611, United States.,Department of Pathology, Immunology and Laboratory Medicine, University of Florida, 1600 SW Archer Road, Gainesville, Florida 32611, United States
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24
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Ebara M. Apoptotic Cell-Mimetic Polymers for Anti-Inflammatory Therapy. Chonnam Med J 2019; 55:1-7. [PMID: 30740334 PMCID: PMC6351328 DOI: 10.4068/cmj.2019.55.1.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 11/28/2018] [Accepted: 12/13/2018] [Indexed: 11/25/2022] Open
Abstract
The field of biomaterials has seen a strong rejuvenation due to the new potential to modulate immune system in our body. This special class of materials is called "immunomodulatory biomaterials". Generally, three fundamental strategies are followed in the design of immunomodulatory biomaterials: (1) immuno-inert biomaterials, (2) immuno-activating biomaterials, and (3) immuno-tolerant biomaterials. While many applications of immuno-inert biomaterials such as biocompatible medical implants have been already proposed in the past decades, the ability to engineer biological activity into synthetic materials greatly increases the number of their potential uses and improves their performance in more traditional applications. The major focus of researchers is now set on developing immuno-tolerant biomaterials for anti-inflammatory therapies. In this review, we therefore introduce recent developments of immuno-tolerant biomaterials. Especially we introduce an apoptotic cell membrane-inspired polymer and its post-inflammatory effects on immune cells in this article.
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Affiliation(s)
- Mitsuhiro Ebara
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Japan
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Japan
- Graduate School of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan
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25
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Chen N, Kroger CJ, Tisch RM, Bachelder EM, Ainslie KM. Prevention of Type 1 Diabetes with Acetalated Dextran Microparticles Containing Rapamycin and Pancreatic Peptide P31. Adv Healthc Mater 2018; 7:e1800341. [PMID: 30051618 DOI: 10.1002/adhm.201800341] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Indexed: 12/27/2022]
Abstract
Type 1 diabetes (T1D) is a common autoimmune disease with no cure. T1D subjects are dependent on daily exogenous insulin administration, due to the loss of functional insulin-producing β cells. Needed are immunotherapies that prevent and/or treat T1D. One approach of immunotherapy is to administer an autoantigen to selectively tolerize diabetogenic effector T cells without global immunosuppression. To date, however, strategies of antigen-specific immunotherapy are largely ineffective in the clinic. Using an antigen-specific approach, a biodegradable polymeric delivery vehicle, acetalated dextran microparticles (Ace-DEX MPs), is applied and T1D development is prevented through coadministration of the immunosuppressant rapamycin and the diabetogenic peptide P31 (Rapa/P31/MPs), via alterations of both innate and adaptive immunity. Ex vivo, adoptively transferred CD4+ T cells exhibit reduced proliferation and an increased ratio of FoxP3+ to IFNγ+ T cells. In vitro analysis indicates dendritic cells exhibit a less mature phenotype following coculture with Rapa/P31/MPs, which results in reduced CD4+ T cell proliferation and proinflammatory cytokine production (IFNγ and IL-2), but promotes PD-1 expression. Together these results demonstrate Ace-DEX MP-based antigen-specific therapy effectively tolerizes diabetogenic CD4+ T cells to prevent T1D, thereby demonstrating one of the first successful attempts of T1D prevention using a single-formulation particulate delivery platform.
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Affiliation(s)
- Naihan Chen
- Division of Pharmacoengineering and Molecular Pharmaceutics; Eshelman School of Pharmacy; The University of North Carolina at Chapel Hill; Chapel Hill NC 27599 USA
| | - Charles J. Kroger
- Department of Microbiology and Immunology; School of Medicine; The University of North Carolina at Chapel Hill; Chapel Hill NC 27599 USA
| | - Roland M. Tisch
- Department of Microbiology and Immunology; School of Medicine; The University of North Carolina at Chapel Hill; Chapel Hill NC 27599 USA
| | - Eric M. Bachelder
- Division of Pharmacoengineering and Molecular Pharmaceutics; Eshelman School of Pharmacy; The University of North Carolina at Chapel Hill; Chapel Hill NC 27599 USA
| | - Kristy M. Ainslie
- Division of Pharmacoengineering and Molecular Pharmaceutics; Eshelman School of Pharmacy; The University of North Carolina at Chapel Hill; Chapel Hill NC 27599 USA
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26
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Kroger CJ, Clark M, Ke Q, Tisch RM. Therapies to Suppress β Cell Autoimmunity in Type 1 Diabetes. Front Immunol 2018; 9:1891. [PMID: 30166987 PMCID: PMC6105696 DOI: 10.3389/fimmu.2018.01891] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 07/31/2018] [Indexed: 12/12/2022] Open
Abstract
Type 1 diabetes (T1D) is an autoimmune disease that is generally considered to be T cell-driven. Accordingly, most strategies of immunotherapy for T1D prevention and treatment in the clinic have targeted the T cell compartment. To date, however, immunotherapy has had only limited clinical success. Although certain immunotherapies have promoted a protective effect, efficacy is often short-term and acquired immunity may be impacted. This has led to the consideration of combining different approaches with the goal of achieving a synergistic therapeutic response. In this review, we will discuss the status of various T1D therapeutic strategies tested in the clinic, as well as possible combinatorial approaches to restore β cell tolerance.
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Affiliation(s)
- Charles J Kroger
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Matthew Clark
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Qi Ke
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Roland M Tisch
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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27
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28
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Dacoba TG, Olivera A, Torres D, Crecente-Campo J, Alonso MJ. Modulating the immune system through nanotechnology. Semin Immunol 2017; 34:78-102. [PMID: 29032891 PMCID: PMC5774666 DOI: 10.1016/j.smim.2017.09.007] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 09/18/2017] [Accepted: 09/18/2017] [Indexed: 12/11/2022]
Abstract
Nowadays, nanotechnology-based modulation of the immune system is presented as a cutting-edge strategy, which may lead to significant improvements in the treatment of severe diseases. In particular, efforts have been focused on the development of nanotechnology-based vaccines, which could be used for immunization or generation of tolerance. In this review, we highlight how different immune responses can be elicited by tuning nanosystems properties. In addition, we discuss specific formulation approaches designed for the development of anti-infectious and anti-autoimmune vaccines, as well as those intended to prevent the formation of antibodies against biologicals.
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Affiliation(s)
- Tamara G Dacoba
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain; Department of Pharmacology, Pharmacy and Pharmaceutical Technology, School of Pharmacy, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain
| | - Ana Olivera
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain; Department of Pharmacology, Pharmacy and Pharmaceutical Technology, School of Pharmacy, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain
| | - Dolores Torres
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, School of Pharmacy, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain
| | - José Crecente-Campo
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain; Department of Pharmacology, Pharmacy and Pharmaceutical Technology, School of Pharmacy, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain.
| | - María José Alonso
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain; Department of Pharmacology, Pharmacy and Pharmaceutical Technology, School of Pharmacy, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain.
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29
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Casey LM, Pearson RM, Hughes KR, Liu JMH, Rose JA, North MG, Wang LZ, Lei M, Miller SD, Shea LD. Conjugation of Transforming Growth Factor Beta to Antigen-Loaded Poly(lactide- co-glycolide) Nanoparticles Enhances Efficiency of Antigen-Specific Tolerance. Bioconjug Chem 2017; 29:813-823. [PMID: 29148731 DOI: 10.1021/acs.bioconjchem.7b00624] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Current strategies for treating autoimmunity involve the administration of broad-acting immunosuppressive agents that impair healthy immunity. Intravenous (i.v.) administration of poly(lactide- co-glycolide) nanoparticles (NPs) containing disease-relevant antigens (Ag-NPs) have demonstrated antigen (Ag)-specific immune tolerance in models of autoimmunity. However, subcutaneous (s.c.) delivery of Ag-NPs has not been effective. This investigation tested the hypothesis that codelivery of the immunomodulatory cytokine, transforming growth factor beta 1 (TGF-β), on Ag-NPs would modulate the immune response to Ag-NPs and improve the efficiency of tolerance induction. TGF-β was coupled to the surface of Ag-NPs such that the loadings of Ag and TGF-β were independently tunable. The particles demonstrated bioactive delivery of Ag and TGF-β in vitro by reducing the inflammatory phenotype of bone marrow-derived dendritic cells and inducing regulatory T cells in a coculture system. Using an in vivo mouse model for multiple sclerosis, experimental autoimmune encephalomyelitis, TGF-β codelivery on Ag-NPs resulted in improved efficacy at lower doses by i.v. administration and significantly reduced disease severity by s.c. administration. This study demonstrates that the codelivery of immunomodulatory cytokines on Ag-NPs may enhance the efficacy of Ag-specific tolerance therapies by programming Ag presenting cells for more efficient tolerance induction.
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Affiliation(s)
- Liam M Casey
- Department of Chemical Engineering , University of Michigan , 2300 Hayward Avenue , Ann Arbor , Michigan 48105 , United States
| | - Ryan M Pearson
- Department of Biomedical Engineering , University of Michigan , 1119 Carl A. Gerstacker Building, 2200 Bonisteel Boulevard , Ann Arbor , Michigan 48109-2099 , United States.,Cour Pharmaceuticals, Northbrook , Illinois 60062 , United States
| | - Kevin R Hughes
- Department of Biomedical Engineering , University of Michigan , 1119 Carl A. Gerstacker Building, 2200 Bonisteel Boulevard , Ann Arbor , Michigan 48109-2099 , United States
| | - Jeffrey M H Liu
- Department of Biomedical Engineering , University of Michigan , 1119 Carl A. Gerstacker Building, 2200 Bonisteel Boulevard , Ann Arbor , Michigan 48109-2099 , United States
| | - Justin A Rose
- Department of Chemical Engineering , University of Michigan , 2300 Hayward Avenue , Ann Arbor , Michigan 48105 , United States
| | - Madeleine G North
- Department of Biomedical Engineering , University of Michigan , 1119 Carl A. Gerstacker Building, 2200 Bonisteel Boulevard , Ann Arbor , Michigan 48109-2099 , United States
| | - Leon Z Wang
- Department of Biomedical Engineering , University of Michigan , 1119 Carl A. Gerstacker Building, 2200 Bonisteel Boulevard , Ann Arbor , Michigan 48109-2099 , United States
| | - Mei Lei
- Department of Biomedical Engineering , University of Michigan , 1119 Carl A. Gerstacker Building, 2200 Bonisteel Boulevard , Ann Arbor , Michigan 48109-2099 , United States
| | - Stephen D Miller
- Department of Microbiology-Immunology, Feinberg School of Medicine , Northwestern University , 6-713 Tarry Building, 303 East Chicago Avenue , Chicago , Illinois 60611 , United States.,The Robert H. Lurie Comprehensive Cancer Center of Northwestern University , Chicago , Illinois 60611 , United States
| | - Lonnie D Shea
- Department of Chemical Engineering , University of Michigan , 2300 Hayward Avenue , Ann Arbor , Michigan 48105 , United States.,Department of Biomedical Engineering , University of Michigan , 1119 Carl A. Gerstacker Building, 2200 Bonisteel Boulevard , Ann Arbor , Michigan 48109-2099 , United States
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30
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Yang C, Shi F, Li C, Wang Y, Wang L, Yang Z. Single Dose of Protein Vaccine with Peptide Nanofibers As Adjuvants Elicits Long-Lasting Antibody Titer. ACS Biomater Sci Eng 2017; 4:2000-2006. [DOI: 10.1021/acsbiomaterials.7b00488] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Chengbiao Yang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, P. R. China
- Key Laboratory of Bioactive Materials, Ministry of Education, and College of Life Sciences, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, P. R. China
| | - Fang Shi
- Key Laboratory of Bioactive Materials, Ministry of Education, and College of Life Sciences, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, P. R. China
| | - Can Li
- Key Laboratory of Bioactive Materials, Ministry of Education, and College of Life Sciences, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, P. R. China
| | - Youzhi Wang
- Key Laboratory of Bioactive Materials, Ministry of Education, and College of Life Sciences, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, P. R. China
| | - Ling Wang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300071, P. R. China
| | - Zhimou Yang
- Key Laboratory of Bioactive Materials, Ministry of Education, and College of Life Sciences, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, P. R. China
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31
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Abstract
PURPOSE OF REVIEW The current standard therapy for type 1 diabetes (T1D) is insulin replacement. Autoimmune diseases are typically treated with broad immunosuppression, but this has multiple disadvantages. Induction of antigen-specific tolerance is preferable. The application of nanomedicine to the problem of T1D can take different forms, but one promising way is the development of tolerogenic nanoparticles, the aim of which is to mitigate the islet-destroying autoimmunity. We review the topic and highlight recent strategies to produce tolerogenic nanoparticles for the purpose of treating T1D. RECENT FINDINGS Several groups are making progress in applying tolerogenic nanoparticles to rodent models of T1D, while others are using nanotechnology to aid other potential T1D treatments such as islet transplant and islet encapsulation. The strategies behind how nanoparticles achieve tolerance are varied. It is likely the future will see even greater diversity in tolerance induction strategies as well as a greater focus on how to translate this technology from preclinical use in mice to treatment of T1D in humans.
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Affiliation(s)
- Tobias Neef
- Department of Microbiology-Immunology and Interdepartmental Immunobiology Center, Feinberg School of Medicine, Northwestern University, 6-713 Tarry Building, 303 E. Chicago Avenue, Chicago, IL, 60611, USA
| | - Stephen D Miller
- Department of Microbiology-Immunology and Interdepartmental Immunobiology Center, Feinberg School of Medicine, Northwestern University, 6-713 Tarry Building, 303 E. Chicago Avenue, Chicago, IL, 60611, USA.
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32
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Cho JJ, Stewart JM, Drashansky TT, Brusko MA, Zuniga AN, Lorentsen KJ, Keselowsky BG, Avram D. An antigen-specific semi-therapeutic treatment with local delivery of tolerogenic factors through a dual-sized microparticle system blocks experimental autoimmune encephalomyelitis. Biomaterials 2017; 143:79-92. [PMID: 28772190 DOI: 10.1016/j.biomaterials.2017.07.029] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 07/11/2017] [Accepted: 07/21/2017] [Indexed: 01/07/2023]
Abstract
Antigen-specific treatments are highly desirable for autoimmune diseases in contrast to treatments which induce systemic immunosuppression. A novel antigen-specific therapy has been developed which, when administered semi-therapeutically, is highly efficacious in the treatment of the mouse model for multiple sclerosis, experimental autoimmune encephalomyelitis (EAE). The treatment uses dual-sized, polymeric microparticles (dMPs) loaded with specific antigen and tolerizing factors for intra- and extra-cellular delivery, designed to recruit and modulate dendritic cells toward a tolerogenic phenotype without systemic release. This approach demonstrated robust efficacy and provided complete protection against disease. Therapeutic efficacy required encapsulation of the factors in controlled-release microparticles and was antigen-specific. Disease blocking was associated with a reduction of infiltrating CD4+ T cells, inflammatory cytokine-producing pathogenic CD4+ T cells, and activated macrophages and microglia in the central nervous system. Furthermore, CD4+ T cells isolated from dMP-treated mice were anergic in response to disease-specific, antigen-loaded splenocytes. Additionally, the frequency of CD86hiMHCIIhi dendritic cells in draining lymph nodes of EAE mice treated with Ag-specific dMPs was reduced. Our findings highlight the efficacy of microparticle-based drug delivery platform to mediate antigen-specific tolerance, and suggest that such a multi-factor combinatorial approach can act to block autoimmunity.
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Affiliation(s)
- Jonathan J Cho
- Division of Pulmonary Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Joshua M Stewart
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611, USA
| | - Theodore T Drashansky
- Division of Pulmonary Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Maigan A Brusko
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611, USA
| | - Ashley N Zuniga
- Division of Pulmonary Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Kyle J Lorentsen
- Division of Pulmonary Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Benjamin G Keselowsky
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611, USA.
| | - Dorina Avram
- Division of Pulmonary Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL 32610, USA.
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33
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Baekkeskov S, Hubbell JA, Phelps EA. Bioengineering strategies for inducing tolerance in autoimmune diabetes. Adv Drug Deliv Rev 2017. [PMID: 28625830 DOI: 10.1016/j.addr.2017.06.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Type 1 diabetes is an autoimmune disease marked by the destruction of insulin-producing beta cells in the pancreatic islets. Strategies to delay onset or prevent the autoimmune recognition of beta cell antigens or T cell-mediated killing of beta cells have mainly focused on systemic immunomodulation and antigen-specific immunotherapy. To bridge the fields of type 1 diabetes immunology and biomaterials engineering, this article will review recent trends in the etiology of type 1 diabetes immunopathology and will focus on the contributions of emerging bioengineered strategies in the fight against beta cell autoimmunity in type 1 diabetes.
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Affiliation(s)
- Steinunn Baekkeskov
- Institute of Bioengineering, School of Life Sciences, École Polytechnique Fédérale de Lausanne, Building SV 3826, Station 19, CH-1015 Lausanne, Switzerland; Departments of Medicine and Microbiology/Immunology, Diabetes Center, 513 Parnassus Ave, 20159, Box 0534, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Jeffrey A Hubbell
- Institute of Bioengineering, School of Life Sciences, École Polytechnique Fédérale de Lausanne, Building SV 3826, Station 19, CH-1015 Lausanne, Switzerland; Institute for Molecular Engineering, University of Chicago, 5640 S Ellis Avenue, Chicago, IL 60615, USA
| | - Edward A Phelps
- Institute of Bioengineering, School of Life Sciences, École Polytechnique Fédérale de Lausanne, Building SV 3826, Station 19, CH-1015 Lausanne, Switzerland; J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Drive, P.O. Box 116131, Gainesville, FL 32611, USA.
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34
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Combinatorial drug delivery approaches for immunomodulation. Adv Drug Deliv Rev 2017; 114:161-174. [PMID: 28532690 DOI: 10.1016/j.addr.2017.05.013] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 05/05/2017] [Accepted: 05/17/2017] [Indexed: 12/19/2022]
Abstract
Immunotherapy has been widely explored for applications to both augment and suppress intrinsic host immunity. Clinical achievements have seen a number of immunotherapeutic drugs displace established strategies like chemotherapy in treating immune-associated diseases. However, single drug approaches modulating an individual arm of the immune system are often incompletely effective. Imperfect mechanistic understanding and heterogeneity within disease pathology have seen monotherapies inadequately equipped to mediate complete disease remission. Recent success in applications of combinatorial immunotherapy has suggested that targeting multiple biological pathways simultaneously may be critical in treating complex immune pathologies. Drug delivery approaches through engineered biomaterials offer the potential to augment desired immune responses while mitigating toxic side-effects by localizing immunotherapy. This review discusses recent advances in immunotherapy and highlights newly explored combinatorial drug delivery approaches. Furthermore, prospective future directions for immunomodulatory drug delivery to exploit are provided.
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35
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Marasini N, Giddam AK, Batzloff MR, Good MF, Skwarczynski M, Toth I. Poly-L-lysine-coated nanoparticles are ineffective in inducing mucosal immunity against group a streptococcus. ACTA ACUST UNITED AC 2017. [DOI: 10.7243/2052-9341-5-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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36
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Impact of T-cell-specific Smad4 deficiency on the development of autoimmune diabetes in NOD mice. Immunol Cell Biol 2016; 95:287-296. [PMID: 27686408 PMCID: PMC5364321 DOI: 10.1038/icb.2016.98] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 09/12/2016] [Accepted: 09/22/2016] [Indexed: 12/27/2022]
Abstract
Type 1 diabetes results from autoimmune-mediated pancreatic beta-cell destruction and transforming growth factor-beta (TGF-β) is known to play a preventive role in type 1 diabetes in non-obese diabetic (NOD) mice. In this study, we investigated the role of Smad4, a key molecule for Smad-dependent TGF-β signaling, in T cells of NOD mice in the pathogenesis of autoimmune diabetes. We generated T-cell-specific Smad4 knockout (Smad4 tKO) NOD mice and assessed the pathological and immunological changes. Smad4 tKO showed earlier onset and increased incidence of diabetes than wild type (WT) NOD mice. Pathological features such as insulitis, anti-glutamic acid decarboxylase auto-antibody levels and serum IFN-γ levels were significantly increased in Smad4 tKO compared with WT NOD mice. Proportion and number of activated/memory CD4+ T cell were significantly increased in pancreatic lymph nodes of Smad4 tKO compared with WT NOD mice. However, the proportion and function of regulatory T cells was not different. Effector CD4+ T cells from Smad4 tKO were more resistant to suppression by regulatory T cells than effector cells from WT NOD mice. The proliferative potential of effector T cells from Smad4 tKO was significantly elevated compared with WT NOD mice, and activation of sterol regulatory element binding protein-1c (SREBP-1c) in T cells of Smad4 tKO NOD mice was correlated with this proliferative activity. We conclude that Smad4 deletion in T cells of NOD mice accelerated the development of autoimmune diabetes and increased the incidence of the disease by dysregulation of T cell activation at least in part via SREBP-1c activation.
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Katakowski JA, Mukherjee G, Wilner SE, Maier KE, Harrison MT, DiLorenzo TP, Levy M, Palliser D. Delivery of siRNAs to Dendritic Cells Using DEC205-Targeted Lipid Nanoparticles to Inhibit Immune Responses. Mol Ther 2016; 24:146-55. [PMID: 26412590 PMCID: PMC4754549 DOI: 10.1038/mt.2015.175] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Accepted: 09/01/2015] [Indexed: 12/18/2022] Open
Abstract
Due to their ability to knock down the expression of any gene, siRNAs have been heralded as ideal candidates for treating a wide variety of diseases, including those involving "undruggable" targets. However, the therapeutic potential of siRNAs remains severely limited by a lack of effective delivery vehicles. Recently, lipid nanoparticles (LNPs) containing ionizable cationic lipids have been developed for hepatic siRNA delivery. However, their suitability for delivery to other cell types has not been determined. We have modified LNPs for preferential targeting to dendritic cells (DCs), central regulators of immune responses. To achieve directed delivery, we coated LNPs with a single-chain antibody (scFv; DEC-LNPs), specific to murine DEC205, which is highly expressed on distinct DC subsets. Here we show that injection of siRNAs encapsulated in DEC-LNPs are preferentially delivered to DEC205(+) DCs. Gene knockdown following uptake of DEC-LNPs containing siRNAs specific for the costimulatory molecules CD40, CD80, and CD86 dramatically decreases gene expression levels. We demonstrate the functionality of this knockdown with a mixed lymphocyte response (MLR). Overall, we report that injection of LNPs modified to restrict their uptake to a distinct cell population can confer profound gene knockdown, sufficient to inhibit powerful immune responses like the MLR.
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Affiliation(s)
- Joseph A Katakowski
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Gayatri Mukherjee
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Samantha E Wilner
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Keith E Maier
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, New York, USA
| | | | - Teresa P DiLorenzo
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York, USA
- Department of Medicine, Division of Endocrinology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Matthew Levy
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Deborah Palliser
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York, USA
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38
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A combination hydrogel microparticle-based vaccine prevents type 1 diabetes in non-obese diabetic mice. Sci Rep 2015; 5:13155. [PMID: 26279095 PMCID: PMC4538389 DOI: 10.1038/srep13155] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 06/16/2015] [Indexed: 02/07/2023] Open
Abstract
Targeted delivery of self-antigens to the immune system in a mode that stimulates a tolerance-inducing pathway has proven difficult. To address this hurdle, we developed a vaccine based-approach comprised of two synthetic controlled-release biomaterials, poly(lactide-co-glycolide; PLGA) microparticles (MPs) encapsulating denatured insulin (key self-antigen in type 1 diabetes; T1D), and PuraMatrixTM peptide hydrogel containing granulocyte macrophage colony-stimulating factor (GM-CSF) and CpG ODN1826 (CpG), which were included as vaccine adjuvants to recruit and activate immune cells. Although CpG is normally considered pro-inflammatory, it also has anti-inflammatory effects, including enhancing IL-10 production. Three subcutaneous administrations of this hydrogel (GM-CSF/CpG)/insulin-MP vaccine protected 40% of NOD mice from T1D. In contrast, all control mice became diabetic. In vitro studies indicate CpG stimulation increased IL-10 production, as a potential mechanism. Multiple subcutaneous injections of the insulin containing formulation resulted in formation of granulomas, which resolved by 28 weeks. Histological analysis of these granulomas indicated infiltration of a diverse cadre of immune cells, with characteristics reminiscent of a tertiary lymphoid organ, suggesting the creation of a microenvironment to recruit and educate immune cells. These results demonstrate the feasibility of this injectable hydrogel/MP based vaccine system to prevent T1D.
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Fisher JD, Acharya AP, Little SR. Micro and nanoparticle drug delivery systems for preventing allotransplant rejection. Clin Immunol 2015; 160:24-35. [PMID: 25937032 DOI: 10.1016/j.clim.2015.04.013] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 04/21/2015] [Accepted: 04/23/2015] [Indexed: 12/20/2022]
Abstract
Despite decades of advances in transplant immunology, tissue damage caused by acute allograft rejection remains the primary cause of morbidity and mortality in the transplant recipient. Moreover, the long-term sequelae of lifelong immunosuppression leaves patients at risk for developing a host of other deleterious conditions. Controlled drug delivery using micro- and nanoparticles (MNPs) is an effective way to deliver higher local doses of a given drug to specific tissues and cells while mitigating systemic effects. Herein, we review several descriptions of MNP immunotherapies aimed at prolonging allograft survival. We also discuss developments in the field of biomimetic drug delivery that use MNP constructs to induce and recruit our bodies' own suppressive immune cells. Finally, we comment on the regulatory pathway associated with these drug delivery systems. Collectively, it is our hope the studies described in this review will help to usher in a new era of immunotherapy in organ transplantation.
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Affiliation(s)
- James D Fisher
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA; School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA; The Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA; The McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Abhinav P Acharya
- The McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Steven R Little
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA; The McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, USA; Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA.
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Lewis JS, Dolgova NV, Zhang Y, Xia CQ, Wasserfall CH, Atkinson MA, Clare-Salzler MJ, Keselowsky BG. A combination dual-sized microparticle system modulates dendritic cells and prevents type 1 diabetes in prediabetic NOD mice. Clin Immunol 2015; 160:90-102. [PMID: 25842187 DOI: 10.1016/j.clim.2015.03.023] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 03/16/2015] [Accepted: 03/24/2015] [Indexed: 12/17/2022]
Abstract
We developed a novel poly(lactic-co-glycolic acid)-based, microparticle (MP) system providing concurrent delivery of multiple encapsulated immuno-suppressive factors and antigen, for in vivo conditioning of dendritic cells (DCs) toward a tolerance promoting pathway. Subcutaneous administration prevents onset of type 1 diabetes (T1D) in NOD mice. Two MP sizes were made: phagocytosable MPs were fabricated encapsulating vitamin D3 or insulin B(9-23) peptide, while unphagocytosable MPs were fabricated encapsulating TGF-β1 or GM-CSF. The combination of Vit D3/TGF-β1 MPs confers an immature and LPS activation-resistant phenotype to DCs, and MP-delivered antigen is efficiently and functionally presented. Notably, two subcutaneous injections into 4week old NOD mice using the combination of MPs encapsulating Vit D3, Ins B, TGF-β1 and GM-CSF protected 40% of mice from T1D development, significant in comparison to the control. This work represents one of the first applications of a biomaterial-based, MP vaccine system to successfully prevent autoimmune diabetes.
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Affiliation(s)
- Jamal S Lewis
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611, USA
| | - Natalia V Dolgova
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611, USA
| | - Ying Zhang
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611, USA
| | - Chang Qing Xia
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32611, USA
| | - Clive H Wasserfall
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32611, USA
| | - Mark A Atkinson
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32611, USA
| | - Michael J Clare-Salzler
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32611, USA
| | - Benjamin G Keselowsky
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611, USA; Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32611, USA.
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Garciafigueroa Y, Trucco M, Giannoukakis N. A brief glimpse over the horizon for type 1 diabetes nanotherapeutics. Clin Immunol 2015; 160:36-45. [PMID: 25817545 DOI: 10.1016/j.clim.2015.03.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 03/16/2015] [Indexed: 12/11/2022]
Abstract
The pace at which nanotherapeutic technology for human disease is evolving has accelerated exponentially over the past five years. Most of the technology is centered on drug delivery which, in some instances, offers tunable control of drug release. Emerging technologies have resulted in improvements in tissue and cell targeting while others are at the initial stages of pairing drug release and drug release kinetics with microenvironmental stimuli or changes in homeostasis. Nanotherapeutics has only recently been adopted for consideration as a prophylaxis/treatment approach in autoimmunity. Herein, we summarize the current state-of-the art of nanotherapeutics specifically for type 1 diabetes mellitus and offer our view over the horizon of where we envisage this modality evolving towards.
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Affiliation(s)
- Yesica Garciafigueroa
- Institute of Cellular Therapeutics, 11th Floor South Tower, Allegheny Health Network, 320 East North Avenue, Pittsburgh, PA 15212, USA.
| | - Massimo Trucco
- Institute of Cellular Therapeutics, 11th Floor South Tower, Allegheny Health Network, 320 East North Avenue, Pittsburgh, PA 15212, USA.
| | - Nick Giannoukakis
- Institute of Cellular Therapeutics, 11th Floor South Tower, Allegheny Health Network, 320 East North Avenue, Pittsburgh, PA 15212, USA.
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Engman C, Wen Y, Meng WS, Bottino R, Trucco M, Giannoukakis N. Generation of antigen-specific Foxp3+ regulatory T-cells in vivo following administration of diabetes-reversing tolerogenic microspheres does not require provision of antigen in the formulation. Clin Immunol 2015; 160:103-23. [PMID: 25773782 DOI: 10.1016/j.clim.2015.03.004] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 03/05/2015] [Indexed: 11/20/2022]
Abstract
We have developed novel antisense oligonucleotide-formulated microspheres that can reverse hyperglycemia in newly-onset diabetic mice. Dendritic cells taking up the microspheres adopt a restrained co-stimulation ability and migrate to the pancreatic lymph nodes when injected into an abdominal region that is drained by those lymph nodes. Furthermore, we demonstrate that the absolute numbers of antigen-specific Foxp3+ T regulatory cells are increased only in the lymph nodes draining the site of administration and that these T-cells proliferate independently of antigen supply in the microspheres. Taken together, our data add to the emerging model where antigen supply may not be a requirement in "vaccines" for autoimmune disease, but the site of administration - subserved by lymph nodes draining the target organ - is in fact critical to foster the generation of antigen-specific regulatory cells. The implications of these observations on "vaccine" design for autoimmunity are discussed and summarized.
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MESH Headings
- Animals
- B7-1 Antigen/genetics
- B7-2 Antigen/genetics
- Blood Glucose/drug effects
- CD11c Antigen/metabolism
- CD40 Antigens/genetics
- Cell Movement/drug effects
- Cell Proliferation/drug effects
- Cells, Cultured
- Dendritic Cells/immunology
- Diabetes Mellitus, Experimental/therapy
- Diabetes Mellitus, Type 1/therapy
- Female
- Forkhead Transcription Factors/analysis
- Gene Knockdown Techniques
- Hyperglycemia/therapy
- Leukocyte Common Antigens/metabolism
- Lymph Nodes/cytology
- Lymph Nodes/immunology
- Lymphocyte Activation/immunology
- Macaca fascicularis
- Male
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C3H
- Mice, Inbred NOD
- Mice, Transgenic
- Microspheres
- Oligonucleotides, Antisense/genetics
- Pancreas/immunology
- Receptors, Antigen, T-Cell/genetics
- T-Lymphocytes, Regulatory/cytology
- Vaccines/administration & dosage
- Vaccines/immunology
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Affiliation(s)
- Carl Engman
- Institute of Cellular Therapeutics, 11th Floor South Tower, Allegheny Health Network, 320 East North Avenue, Pittsburgh, PA, 15212, USA.
| | - Yi Wen
- Division of Pharmaceutical Sciences, Mylan School of Pharmacy, Mellon 413, 600 Forbes Avenue, Pittsburgh, PA 15282, USA
| | - Wilson S Meng
- Division of Pharmaceutical Sciences, Mylan School of Pharmacy, Mellon 413, 600 Forbes Avenue, Pittsburgh, PA 15282, USA.
| | - Rita Bottino
- Institute of Cellular Therapeutics, 11th Floor South Tower, Allegheny Health Network, 320 East North Avenue, Pittsburgh, PA, 15212, USA.
| | - Massimo Trucco
- Institute of Cellular Therapeutics, 11th Floor South Tower, Allegheny Health Network, 320 East North Avenue, Pittsburgh, PA, 15212, USA.
| | - Nick Giannoukakis
- Institute of Cellular Therapeutics, 11th Floor South Tower, Allegheny Health Network, 320 East North Avenue, Pittsburgh, PA, 15212, USA.
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43
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Serra P, Santamaria P. Nanoparticle-based autoimmune disease therapy. Clin Immunol 2015; 160:3-13. [PMID: 25704658 DOI: 10.1016/j.clim.2015.02.003] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 02/09/2015] [Accepted: 02/10/2015] [Indexed: 01/10/2023]
Abstract
The goal of immunotherapy against autoimmunity is to block pathogenic inflammation without impairing immunity against infections and tumours. Regulatory T-cells (Tregs) play a central role in maintaining immune homeostasis, and autoimmune inflammation is frequently associated with decreased numbers and/or function of these T-cells. Therapies harnessing Tregs to treat autoimmune inflammation remain under-developed with caveats ranging from the lack of antigenic and disease specificity to the potential phenotypic and functional instability of in vitro-expanded Treg cells in vivo. Here, we review nanotechnology-based approaches designed to promote immune tolerance through various mechanisms, ranging from systemic or local suppression of antigen-presenting cells and deletion of antigen-specific T-cells, to the systemic expansion of antigen- and disease-specific Treg cells in vivo.
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Affiliation(s)
- Pau Serra
- Institut D'Investigacions Biomediques August Pi i Sunyer, Barcelona 08036, Spain.
| | - Pere Santamaria
- Institut D'Investigacions Biomediques August Pi i Sunyer, Barcelona 08036, Spain; Julia McFarlane Diabetes Research Centre (JMDRC) and Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases and Hotchkiss Brain Institute, Cummings School of Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada.
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44
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Glowacki AJ, Gottardi R, Yoshizawa S, Cavalla F, Garlet GP, Sfeir C, Little SR. Strategies to direct the enrichment, expansion, and recruitment of regulatory cells for the treatment of disease. Ann Biomed Eng 2014; 43:593-602. [PMID: 25245220 DOI: 10.1007/s10439-014-1125-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 09/12/2014] [Indexed: 01/21/2023]
Abstract
Disease and injury perturb the balance of processes associated with inflammation and tissue remodeling, resulting in positive feedback loops, exacerbation of disease and compromised tissue repair. Conversely, under homeostatic healthy conditions, these processes are tightly regulated through the expansion and/or recruitment of specific cell populations, promoting a balanced steady-state. Better understanding of these regulatory processes and recent advances in biomaterials and biotechnology have prompted strategies to utilize cells for the treatment and prevention of disease through regulation of inflammation and promotion of tissue repair. Herein, we describe how cells that regulate these processes can be increased in prevalence at a site of disease or injury. We review several relevant cell therapy approaches as well as new strategies for directing endogenous regulatory cells capable of promoting environmental homeostasis and even the establishment of a pro-regenerative micro-environment. Collectively, these examples may provide a blueprint for next-generation "medicine" that spurs the body's own cells to action and replaces conventional drugs.
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Affiliation(s)
- Andrew J Glowacki
- Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, USA
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45
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Lewis JS, Roche C, Zhang Y, Brusko TM, Wasserfall CH, Atkinson M, Clare-Salzler MJ, Keselowsky BG. Combinatorial delivery of immunosuppressive factors to dendritic cells using dual-sized microspheres. J Mater Chem B 2014; 2:2562-2574. [PMID: 24778809 PMCID: PMC4000038 DOI: 10.1039/c3tb21460e] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Microparticulate systems are beginning to show promise for delivery of modulatory agents for immunotherapeutic applications which modulate dendritic cell (DC) functions. Co-administration of multiple factors is an emerging theme in immune modulation which may prove beneficial in this setting. Herein, we demonstrate that localized, controlled delivery of multiple factors can be accomplished through poly (lactic-co-glycolic acid) (PLGA) microparticle systems fabricated in two size classes of phagocytosable and unphagocytosable microparticles (MPs). The immunosuppressive ability of combinatorial multi-factor dual MP systems was evaluated by investigating effects on DC maturation, DC resistance to LPS-mediated maturation and proliferation of allogeneic T cells in a mixed lymphocyte reaction. Phagocytosable MPs (~2 μm) were fabricated encapsulating either rapamycin (RAPA) or all-trans retinoic acid (RA), and unphagocytosable MPs (~30 μm) were fabricated encapsulating either transforming growth factor beta-1 (TGF-β1) or interleukin-10 (IL-10). Combinations of these MP classes reduced expression of stimulatory/costimulatory molecules (MHC-II, CD80 and CD86) in comparison to iDC and soluble controls, but not necessarily to single factor MPs. Dual MP-treated DCs resisted LPS-mediated activation, in a manner driven by the single factor phagocytosable MPs used. Dendritic cells treated with dual MP systems suppressed allogeneic T cell proliferation, generally demonstrating greater suppression by combination MPs than single factor formulations, particularly for the RA/IL-10 MPs. This work demonstrates feasibility of simultaneous targeted delivery of immunomodulatory factors to cell surface receptors and intracellular locations, and indicates that a combinatorial approach can boost immunoregulatory responses for therapeutic application in autoimmunity and transplantation.
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Affiliation(s)
- Jamal S. Lewis
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611
| | - Chris Roche
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611
| | - Ying Zhang
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611
| | - Todd M. Brusko
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32611
| | - Clive H. Wasserfall
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32611
| | - Mark Atkinson
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32611
| | - Michael J. Clare-Salzler
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32611
| | - Benjamin G. Keselowsky
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611
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46
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Clemente-Casares X, Santamaria P. Nanomedicine in autoimmunity. Immunol Lett 2014; 158:167-74. [PMID: 24406504 DOI: 10.1016/j.imlet.2013.12.018] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Revised: 12/09/2013] [Accepted: 12/20/2013] [Indexed: 11/15/2022]
Abstract
The application of nanotechnology to the diagnosis and therapy of human diseases is already a reality and is causing a real revolution in how we design new therapies and vaccines. In this review we focus on the applications of nanotechnology in the field of autoimmunity. First, we review scenarios in which iron oxide nanoparticles have been used in the diagnosis of autoimmune diseases, mostly through magnetic resonance imaging (MRI), both in animal models and patients. Second, we discuss the potential of nanoparticles as an immunotherapeutic platform for autoimmune diseases, for now exclusively in pre-clinical models. Finally, we discuss the potential of this field to generate the 'perfect drug' with the capacity to report on its therapeutic efficacy in real time, that is, the birth of theranostics in autoimmunity.
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Affiliation(s)
- Xavier Clemente-Casares
- Julia McFarlane Diabetes Research Centre (JMDRC) and Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Pere Santamaria
- Julia McFarlane Diabetes Research Centre (JMDRC) and Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada; Institut D'Investigacions Biomediques August Pi i Sunyer, Barcelona, Spain.
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47
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Lewis JS, Roy K, Keselowsky BG. Materials that harness and modulate the immune system. MRS BULLETIN 2014; 39:25-34. [PMID: 26997752 PMCID: PMC4793183 DOI: 10.1557/mrs.2013.310] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Recently, biomaterial scientists have married materials engineering and immunobiology to conceptualize new immunomodulatory materials. This special class of biomaterials can modulate and harness the innate properties of immune functionality for enhanced therapeutic efficacy. Generally, two fundamental strategies are followed in the design of immunomodulatory biomaterials: (1) immuno-evasive (immuno-mimetic, immuno-suppressing, or immuno-inert) biomaterials and (2) immuno-activating or immuno-enhancing biomaterials. This article highlights the development and application of a number of immunomodulatory materials, categorized by these two general approaches.
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48
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Creusot RJ, Giannoukakis N, Trucco M, Clare-Salzler MJ, Fathman CG. It's time to bring dendritic cell therapy to type 1 diabetes. Diabetes 2014; 63:20-30. [PMID: 24357690 PMCID: PMC3968436 DOI: 10.2337/db13-0886] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Rémi J. Creusot
- Department of Medicine, Columbia Center for Translational Immunology and Naomi Berrie Diabetes Center, Columbia University Medical Center, New York, NY
| | - Nick Giannoukakis
- Division of Immunogenetics, Department of Pediatrics, John G. Rangos Research Center, Children’s Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Massimo Trucco
- Division of Immunogenetics, Department of Pediatrics, John G. Rangos Research Center, Children’s Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Michael J. Clare-Salzler
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL
| | - C. Garrison Fathman
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA
- Corresponding author: C. Garrison Fathman,
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49
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Morel PA. Dendritic cell subsets in type 1 diabetes: friend or foe? Front Immunol 2013; 4:415. [PMID: 24367363 PMCID: PMC3853773 DOI: 10.3389/fimmu.2013.00415] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Accepted: 11/13/2013] [Indexed: 12/13/2022] Open
Abstract
Type 1 diabetes (T1D) is a T cell mediated autoimmune disease characterized by immune mediated destruction of the insulin-producing β cells in the islets of Langerhans. Dendritic cells (DC) have been implicated in the pathogenesis of T1D and are also used as immunotherapeutic agents. Plasmacytoid (p)DC have been shown to have both protective and pathogenic effects and a newly described merocytic DC population has been shown to break tolerance in the mouse model of T1D, the non-obese diabetic (NOD) mouse. We have used DC populations to prevent the onset of T1D in NOD mice and clinical trials of DC therapy in T1D diabetes have been initiated. In this review we will critically examine the recent published literature on the role of DC subsets in the induction and regulation of the autoimmune response in T1D.
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Affiliation(s)
- Penelope A Morel
- Department of Immunology, University of Pittsburgh , Pittsburgh, PA , USA
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50
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Spiering R, Wagenaar-Hilbers J, Huijgen V, van der Zee R, van Kooten PJS, van Eden W, Broere F. Membrane-Bound Metallothionein 1 of Murine Dendritic Cells Promotes the Expansion of Regulatory T Cells In Vitro. Toxicol Sci 2013; 138:69-75. [DOI: 10.1093/toxsci/kft268] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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