Xin Hu, Jia Meng, Yi Liao, Yanwen Yang, Yao Wang, Zhenhui Song, Ziwei Liu, Haibo Feng
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Mannose receptor targeted PLGA nanoparticles ofEucommia ulmoidespolysaccharide through the MAPK and NF-κB pathway to enhance the immune activity of BMDCs.
Mannosylated poly(lactic-co-glycolic acid) (PLGA) nanoparticles encapsulating Eucommia ulmoides polysaccharides (EOPP) were developed as a targeted immunomodulatory delivery system. In vitro evaluations confirmed that EOPP exhibited low cytotoxicity toward spleen lymphocytes while significantly increasing their proliferation and cytokine secretion (IL-6 and IFN-γ). When co-delivered with ovalbumin (MN-EOPP/OVA), the system further enhanced the secretion of TNF-α, IL-12, IL-6, and IFN-γ by immune cells and induced cytoskeletal remodeling and maturation in bone marrow-derived dendritic cells (BMDCs). Transcriptomic profiling revealed significant upregulation of immune-related genes, with KEGG and PPI analyses identifying activation of key signaling pathways, including MAPK (ERK, p38, JNK) and NF-κB. These pathways drive the expression of genes involved in antigen processing and dendritic cell function. Overall, MN-EOPP/OVA effectively enhanced both humoral and cellular immune responses by synergistic delivery of antigen and immunopotentiator, supporting its potential as a next-generation vaccine adjuvant strategy.
期刊介绍：
Colloids and Surfaces B: Biointerfaces is an international journal devoted to fundamental and applied research on colloid and interfacial phenomena in relation to systems of biological origin, having particular relevance to the medical, pharmaceutical, biotechnological, food and cosmetic fields.
Submissions that: (1) deal solely with biological phenomena and do not describe the physico-chemical or colloid-chemical background and/or mechanism of the phenomena, and (2) deal solely with colloid/interfacial phenomena and do not have appropriate biological content or relevance, are outside the scope of the journal and will not be considered for publication.
The journal publishes regular research papers, reviews, short communications and invited perspective articles, called BioInterface Perspectives. The BioInterface Perspective provide researchers the opportunity to review their own work, as well as provide insight into the work of others that inspired and influenced the author. Regular articles should have a maximum total length of 6,000 words. In addition, a (combined) maximum of 8 normal-sized figures and/or tables is allowed (so for instance 3 tables and 5 figures). For multiple-panel figures each set of two panels equates to one figure. Short communications should not exceed half of the above. It is required to give on the article cover page a short statistical summary of the article listing the total number of words and tables/figures.
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