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The interaction between nanoparticles and immune system: application in the treatment of inflammatory diseases.

ABSTRACT: Nanoparticle (NP) is an emerging tool applied in the biomedical field. With combination of different materials and adjustment of their physical and chemical properties, nanoparticles can have diverse effects on the organism and may change the treating paradigm of multiple diseases in the future. More and more results show that nanoparticles can function as immunomodulators and some formulas have been approved for the treatment of inflammation-related diseases. However, our current understanding of the mechanisms that nanoparticles can influence immune responses is still limited, and systemic clinical trials are necessary for the evaluation of their security and long-term effects. This review provides an overview of the recent advances in nanoparticles that can interact with different cellular and molecular components of the immune system and their application in the management of inflammatory diseases, which are caused by abnormal immune reactions. This article focuses on the mechanisms of interaction between nanoparticles and the immune system and tries to provide a reference for the future design of nanotechnology for the treatment of inflammatory diseases.

SUBMITTER: Liu J

PROVIDER: S-EPMC8917374 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature

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The interaction between nanoparticles and immune system: application in the treatment of inflammatory diseases.

Liu Jin J Liu Zeyang Z Pang Yan Y Zhou Huifang H

Journal of nanobiotechnology 20220312 1

Nanoparticle (NP) is an emerging tool applied in the biomedical field. With combination of different materials and adjustment of their physical and chemical properties, nanoparticles can have diverse effects on the organism and may change the treating paradigm of multiple diseases in the future. More and more results show that nanoparticles can function as immunomodulators and some formulas have been approved for the treatment of inflammation-related diseases. However, our current understanding ...[more]

PMID: 35279135

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Project description:AimsThis study aimed to conduct a bibliometric analysis of the relevant literature on the interaction between microbiota and immune in intestinal inflammatory diseases, and show its current status, hotspots, and development trends.MethodsThe related literature was acquired from the Web of Science Core Collection on October 12, 2022. Co-occurrence and cooperation relationship analysis of authors, institutions, countries, references, and keywords in the literature were carried out through CiteSpace 6.1.R3 software and the Online Analysis platform of Literature Metrology. At the same time, the relevant knowledge maps were drawn, and the keywords cluster analysis and emergence analysis were performed.Results3,608 related publications were included, showing that the number of articles in this field is increasing year by year. The results showed that Gasbarrini A and Sokol H were the authors with the highest cumulative number of articles with 25, and the institution with the most articles was Harvard University with 142 articles. The USA was far ahead in the article output, with 1,131 articles, and had a dominant role, followed by China with 707 articles. The journal Frontiers in Immunology contributed the most to this research field with 213 articles. In the cooperation network analysis, the USA, Harvard University, and Xavier RJ were the most widely collaborated country, institution, and author, respectively, which implied a high level of influence. Keywords analysis showed that there were 770 keywords, which were mainly classified as internal related diseases, such as "inflammatory bowel disease", "irritable bowel syndrome", "colorectal cancer", and the mechanism of interaction of microbiota and immune, such as "intestinal microbiota", "commensal microbiota", "regulatory T cell", "dendritic cell", "barrier function", "activation", "anti-inflammatory properties", "intestinal epithelium", and "diversity". Emerging analysis showed that future research hotspots and trends might be the short-chain fatty acid, gut dysbiosis, gut-liver axis, and fusobacterium nucleatum.ConclusionThis research was the first bibliometric analysis of publications in the field of interaction between microbiota and immune in intestinal inflammatory diseases using visualization software and data information mining, and obtained the current status, hotspots, and development of this field, which provides a theoretical basis for its scientific research.

Project description:BackgroundMononuclear phagocytes, such as monocytes, macrophages, and dendritic cells, are important cellular components of the innate immune system that contribute to the pathogenesis of many intestinal inflammatory diseases.SummaryWhile mononuclear phagocytes play a key role in the induction of inflammation in many different tissues through production of pro-inflammatory cytokines and chemokines (such as IL-1, TNF, IL-6, IL-8 and MCP-1), free oxygen radicals (also termed 'oxidative burst'), proteases (such as cathepsins) and tissue-degrading enzymes (such as metalloproteinases), resident macrophages as well as dendritic cells in the intestine display an anergic and 'tolerogenic' phenotype mediating tolerance to commensal bacteria. In recent years many single nucleotide polymorphisms (SNPs) in genes mainly expressed in the above-mentioned cell types have been identified to convey an increased risk of autoimmune diseases. SNPs in the NOD2, ATG16L1 and TNFSF15 genes, which are involved in the function of the innate immune cells, are identified as risk factors for Crohn's disease (CD). Of note, these genes are involved in the different functions in the innate immune cells. For example, while NOD2 is required for intracellular recognition of microbial components, ATG16L1 is involved in autophagy responses against intracellular microbes. Likewise, TNFSF15 contributes to the induction of inflammatory responses by innate immune cells. Furthermore, the frequency of mutations in these genes differs by ethnicity. Genetic variations in the NOD2 and ATG16L1 genes are associated with CD in Caucasians but much less in Eastern Asian populations, whereas SNPs in TNFSF15 are dominated in Asian populations. Thus, different genetic risks may eventually lead to similar impairments in innate immune cells, thereby developing the same disease in Western and Asian patients with CD.Key messagesDespite differences in risk genes, similar mechanisms associated with the innate immune system may trigger autoimmune and chronic inflammatory intestinal diseases in East and West.

Project description:Aberrant activation of the cyclic GMP-AMP synthase (cGAS)/Stimulator of Interferon Genes (STING) pathway has been implicated in the development and progression of a myriad of inflammatory diseases including colitis, nonalcoholic steatohepatitis, amyotrophic lateral sclerosis (ALS), and age-related macular degeneration. Thus, STING pathway inhibitors could have therapeutic application in many of these inflammatory conditions. The cGAS inhibitor RU.521 and the STING inhibitor H-151 have shown promise as therapeutics in mouse models of colitis, ALS, and more. However, these agents require frequent high-dose intraperitoneal injections, which may limit translatability. Furthermore, long-term use of systemically administered cGAS/STING inhibitors may leave patients vulnerable to viral infections and cancer. Thus, localized or targeted inhibition of the cGAS/STING pathway may be an attractive, broadly applicable treatment for a variety of STING pathway-driven ailments. Here we describe STING-Pathway Inhibiting Nanoparticles (SPINS)-poly(lactic-co-glycolic acid) (PLGA) nanoparticles loaded with RU.521 and H-151-as a platform for enhanced and sustained inhibition of cGAS/STING signaling. We demonstrate that SPINs are equally or more effective at inhibiting type-I interferon responses induced by cytosolic DNA than free H-151 or RU.521. Additionally, we describe a SPIN formulation in which PLGA is coemulsified with poly(benzoyloxypropyl methacrylamide) (P(HPMA-Bz)), which significantly improves drug loading and allows for tunable release of H-151 over a period of days to over a week by varying P(HPMA-Bz) content. Finally, we find that all SPIN formulations were as potent or more potent in inhibiting cGAS/STING signaling in primary murine macrophages, resulting in decreased expression of inflammatory M1-like macrophage markers. Therefore, our study provides an in vitro proof-of-concept for nanoparticle delivery of STING pathway inhibitors and positions SPINs as a potential platform for slowing or reversing the onset or progression of cGAS/STING-driven inflammatory conditions.

Dataset Information

The interaction between nanoparticles and immune system: application in the treatment of inflammatory diseases.

Publications

The interaction between nanoparticles and immune system: application in the treatment of inflammatory diseases.

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