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Article Publish Status: FREE
Abstract Title:

Low molecular weight fucoidan attenuates experimental abdominal aortic aneurysm through interfering the leukocyte-endothelial cells interaction.

Abstract Source:

Mol Med Rep. 2018 May ;17(5):7089-7096. Epub 2018 Mar 16. PMID: 29568947

Abstract Author(s):

Min Zhou, Yong Ding, Liang Cai, Yonggang Wang, Changpo Lin, Zhenyu Shi

Article Affiliation:

Min Zhou

Abstract:

Low molecular weight fucoidan (LMWF) is a sulfated polysaccharide extracted from Saccharina Japonica that presents high affinity for P-selectin and abolish selectin-dependent recruitment of leukocytes. We hypothesized that dietary intake of LMWF, as a competitive binding agent of P‑selectin, could limit the inflammatory infiltration and aneurysmal growth in an Angiotensin II‑induced abdominal aortic aneurysm (AAA) mouse model. The Gene Expression Omnibus database was used for gene expressions and gene set enrichment analysis. Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis showed that focal adhesion was involved in the development of AAA. However, dietary intake of LMWF could limit the enlargement of AAA, decreasing maximal aortic diameter and preserving elastin lamellae. Although LMWF did not decrease the circulatory monocytes count and lower the expression of P‑selectin in endothelium, it reduced macrophages infiltration in media and adventitia. Furthermore, matrix metalloproteinase expression was markedly downregulated, accompanied with reduced expression of inflammatory mediators, including interleukin 1β, tumor necrosis factor‑αand monocyte chemotactic protein‑1. The present study revealed a novel target for the treatment of AAA and the anti‑inflammatory effects of LMWF.

Study Type : Animal Study
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