从Houttuynia cordata中分离出来的Rhamnogalacturonan-I类型的多糖化合物酶化水解酶激活肠道免疫力
Hyun Young Shin1, So Min Kim1, YangKook Rho2
1Department of Food Science and Biotechnology, Kyonggi University, Suwon, Republic of Korea.
Journal of the science of food and agriculture
|November 30, 2025
概括
皮炎 (HC) 酶化水解物 (HCPE) 含有强大的rhamogalacturonan-I (RG-I) 聚糖化物 (HCPE-I),通过增强细胞因子分泌和肠道屏障功能来增强肠道免疫力.
科学领域:
- * 免疫学 免疫学
- * 生物化学 * 生物化学
- * 食品科学 食品科学
背景情况:
- *从Houttuynia cordata (HCPE) 的酶化水解物以前显示了皮耶尔贴片 (PP) 介导的免疫活性.
- *本研究旨在分离和确定负责肠道免疫刺激作用的特定成分.
研究的目的:
- * 分解HCPE并确定负责肠道免疫调节的活性部分.
- * 描述活性部分的结构和免疫性质.
主要方法:
- * 凝浸透色谱 (Sephadex G-100) 用于HCPE分离.
- *使用PP介导试验进行活动导向分化.
- * 结构特征,包括分子量测定和多糖化合物成分分析.
- *检测细胞因子分泌,细胞增殖,粘素表达和紧密结合完整性.
主要成果:
- *高CPE被分为三个部分 (HCPE-I, -II, -III).
- * HCPE-I证明了强大的PP介导的免疫刺激作用,增强细胞因子分泌和骨髓细胞增殖.
- *HCPE-I在肠道细胞模型中促进了粘素2的表达,并改善了紧接点完整性.
- * HCPE-I被确定为一个83.6kDa的rhamnogalacturonan-I (RG-I) 聚糖体,具有特定的arabinogalactan和arabinan侧链.
结论:
- *HC衍生的RG-I型多糖 (HCPE-I) 显著增强肠道免疫功能.
- *这项研究是首次全面研究HC衍生的RG-I多糖体对肠道免疫调节的免疫学,生物化学和物理方面的研究.
- * 结果表明HC衍生的多糖类作为功能性食品成分或用于肠道健康的药物剂的潜在应用.
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