期刊
JOURNAL OF CELLULAR AND MOLECULAR MEDICINE
卷 25, 期 1, 页码 561-574出版社
WILEY
DOI: 10.1111/jcmm.16109
关键词
CDMNP‐ PEG‐ CD; immune cells; immune response; Magnetic nanoparticles; β ‐ CD
资金
- National Natural Science Foundation of China (NSFC) [32071181, 81671928, 51572110]
- National Key Research and Development Plan [2017YFC1105003]
- Guangdong Provincial Natural Science Foundation [2019A1515011305]
- Guangzhou Science and Technology Foundation [202002030497]
- National Health and Medical Research Council (NHMRC) [1158402, 1127396]
- National Health and Medical Research Council of Australia [1158402] Funding Source: NHMRC
The study explores the antigenicity and immunogenicity of pH-magnetic dual-responsive nanocomposites in vivo. Results showed that CDMNP-PEG-CD induced a temporary blood monocyte response and was effectively cleared from the body through the urine system. Introduction of beta-CD and PEG/beta-CD polypseudorotaxane on SOMNP limited particle intramuscular dispersion and attenuated beta-CD-induced T cell response in implanted muscle.
pH-magnetic dual-responsive nanocomposites have been widely used in drug delivery and gene therapy. Recently, a polypseudorotaxane functionalized magnetic nanoparticle (MNP) was developed by synthesizing the magnetic nanoparticles with cyclodextrin (CD) molecules (CDMNP) via polyethylene glycol (PEG) (CDMNP-PEG-CD). The purpose of this study was to explore the antigenicity and immunogenicity of the nanoparticles in vivo prior to their further application explorations. Here, nanoparticles were assessed in vivo for retention, bio-distribution and immuno-reactivity. The results showed that, once administered intravenously, CDMNP-PEG-CD induced a temporary blood monocyte response and was cleared effectively from the body through the urine system in mice. The introduction of beta-CD and PEG/beta-CD polypseudorotaxane on SiO2 magnetic nanoparticles (SOMNP) limited particle intramuscular dispersion after being injected into mouse gastrocnemius muscle (GN), which led to the prolonged local inflammation and muscle toxicity by CDMNP and CDMNP-PEG-CD. In addition, T cells were found to be more susceptible for beta-CD-modified CDMNP; however, polypseudorotaxane modification partially attenuated beta-CD-induced T cell response in the implanted muscle. Our results suggested that CDMNP-PEG-CD nanoparticles or the decomposition components have potential to prime antigen-presenting cells and to break the muscle autoimmune tolerance.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据