Abstract Title:

Design and development of spirulina polysaccharide-loaded nanoemulsions with improved the antitumor effects of paclitaxel.

Abstract Source:

J Microencapsul. 2020 May 26:1-10. Epub 2020 May 26. PMID: 32401077

Abstract Author(s):

Manling Du, Zhenjiang Yang, Wenping Lu, Bingyue Wang, Qi Wang, Zhen Chen, Lianyu Chen, Shuyan Han, Tiange Cai, Yu Cai

Article Affiliation:

Manling Du


In this study, we prepared spirulina polysaccharides into spirulina polysaccharide-loaded nanoemulsions (SPS-NEs), and determined the antitumor effect of SPS-NEs, when combined with paclitaxel (PTX).SPS-NEs were prepared by a phase transformation method. The Characterisation and stability of SPS-NEs was measured. The antitumor effect of SPS-NEs combined with PTX was determined by S180 cells or RAW 264.7 macrophages and S180 tumour-bearing mice.SPS-NEs were spherical and stable, the particle size of SPS-NEs was 84.6 ± 3.31 nm, PDI = 0.235 ± 0.02. PTX + SPS-NEs exhibited a much greater toxicity against RAW 264.7 cells than PTX. PTX + SPS-NEs increased the release of NO, IL-6 and TNF-α, and the expression of p-p65 NF-κB, p-I-κB, TLR4. In addition, PTX + SPS-NEs significantly inhibitedtumour growth by 72.82% and increased the secretion of serum IL-2, TNF-α and IFN-γ.SPS-NEs can regulate immunity through TLR4/NF-κB signalling pathways, which enhances the anti-tumour effect of PTX.

Study Type : In Vitro Study

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