Collagen Peptides Isolated from Salmo salar and Tilapia nilotica Skin Accelerate Wound Healing by Altering Cutaneous Microbiome Colonization via Upregulated NOD2 and BD14
文献类型： 外文期刊
第一作者： Chen, Muxue
作者： Chen, Muxue;Meng, Keke;Shen, Xuanri;Xia, Guanghua;Mei, Fengfeng;Liu, Jingjie;Wu, Jintao;Chen, Muxue;Meng, Keke;Shen, Xuanri;Xia, Guanghua;Zhao, Meihui;Shen, Xuanri;Xia, Guanghua;Duan, Zhouwei;Chen, Shenjun
作者机构：
关键词： fish skin collagen peptide; wound healing; skin microbiome colonization; angiogenesis; inflammatory reaction
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.279； 五年影响因子：5.269 ）
ISSN： 0021-8561
年卷期： 2020 年 68 卷 6 期
页码：
收录情况： SCI
摘要： Collagen peptides can promote wound healing and are closely related to microbiome colonization. We investigated the relationship among collagen peptides, wound healing, and wound microflora colonization by administering the murine wound model with Salmo salar skin collagen peptides (Ss-SCPs) and Tilapia nilotica skin collagen peptides (Tn-SCPs). We analyzed the vascular endothelial growth factor (VEGF), fibroblast growth factors (beta-FGF), pattern recognition receptor (NOD2), antimicrobial peptides (beta-defence14, BD14), proinflammatory (TNF-alpha, IL-6, and IL-8) and anti-inflammatory (IL-10) cytokines, macrophages, neutrophil infiltration levels, and microbial communities in the rat wound. The healing rates of the Ss-SCP- and Tn-SCP-treated groups were significantly accelerated, associated with decreased TNF-alpha, IL-6, and IL-8 and upregulated BD14, NOD2, IL-10, VEGF, and beta-FGF. Accelerated healing in the collagen peptide group shows that the wound microflora such as Leuconostoc, Enterococcus, and Bacillus have a positive effect on wound healing (P < 0.01). Other microbiome species such as Stenotrophomonas, Bradyrhizobium, Sphingomonas, and Phyllobacterium had a negative influence and decreased colonization (P < 0.01). Altogether, these studies show that collagen peptide could upregulate wound NOD2 and BD14, which were implicated in microflora colonization regulation in the wound tissue and promoted wound healing by controlling the inflammatory reaction and increasing wound angiogenesis and collagen deposition.
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