Polysaccharide from Areca catechu L. inflorescence enhances the intestinal mucosal immunity to maintain immune homeostasis
文献类型： 外文期刊
作者： Chen, Di 1 ; Kang, Zonghua 5 ; Chen, Haiming 1 ; Fu, Pengcheng 1 ;
作者机构： 1.Hainan Univ, Hainan Univ, Coll Food Sci & Engn, HSF LWL Collaborat Innovat Lab, Haikou, Peoples R China
2.Chinese Acad Trop Agr Sci, Anal & Test Ctr, Haikou 571101, Peoples R China
3.Hainan Univ, State Key Lab Marine Resource Utilizat South China, Haikou 570228, Peoples R China
4.Huachuang Inst Areca Res Hainan, Haikou 570228, Peoples R China
5.Hunan Kouweiwang Grp Co Ltd, Changsha 413499, Peoples R China
关键词： Areca ( Areca catechu L.) inflorescence; Immune homeostasis; Intestinal mucosal barrier; Polysaccharide
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.5； 五年影响因子：8.7 ）
ISSN： 0141-8130
年卷期： 2024 年 278 卷
页码：
收录情况： SCI
摘要： Being the first line of defense, intestinal mucosal immunity serves as in maintaining immune homeostasis among organisms. This study investigated the impact of the areca inflorescence polysaccharide (AFP) on intestinal mucosal immunity and elucidated the mechanisms responsible for the immunomodulatory effects of AFP. The immunosuppression mouse model was established using the cyclophosphamide. The intestinal mucosal status was evaluated based on the intestinal integrity, chemical and mucosal immune barriers, and intestinal flora. According to the findings, AFP enhances intestinal integrity by up-regulating the expression of tight junction proteins and reinforcing the chemical barrier through increased mucin-2, beta-defensins, and SIgA expression and secretion. Furthermore, AFP restores the mucosal immune barrier by regulating immune cells within Peyer's patches and lamina propria. AFP also reverses the intestinal flora balance and regulates its metabolism. Additionally, AFP effectively modulates the immune response in the spleen and peripheral blood. Together, these results indicated that AFP repairs mucosal damage and restores mucosal immunity, thereby preserving the immune homeostasis of organisms.
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