Beneficial Effects of Prebiotic Saccharomyces cerevisiae Mannan on Allergic Asthma Mouse Models.

Beneficial Effects of Prebiotic Saccharomyces cerevisiae Mannan on Allergic Asthma Mouse Models.
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DOI:
10.1155/2017/3432701
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发表时间:
2017
影响因子:
4.1
通讯作者:
Gaber MW
Gaber MW
中科院分区:
医学3区
文献类型:
--
作者:
Lew DB;Michael CF;Overbeck T;Robinson WS;Rohman EL;Lehman JM;Patel JK;Eiseman B;LeMessurier KS;Samarasinghe AE;Gaber MW

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同时具有抗炎和抗平滑肌重塑作用的新型治疗剂是哮喘治疗尚未满足的需求之一。甘露糖受体(MR)家族在主要过敏原Der p1和Fel d1的摄取和加工中起重要作用。我们之前报道过ASM细胞表达甘露糖受体(ASM- mr),来源于酿酒酵母(SC-MN)的甘露糖抑制富含甘露糖基的溶酶体水解酶诱导的牛ASM细胞增殖。我们使用人源化转基因小鼠品系(huASM-MRC2)以SM组织特异性的方式表达人MRC2受体,我们已经证明,在该小鼠模型中,过敏原攻击后15天ASM增生/肥大就会发生,这种现象可以通过SC-MN治疗来预防。这项概念验证研究将有助于未来开发一种具有抗炎和抗平滑肌重塑双重功能的潜在哮喘治疗剂。
One of the unmet needs for asthma management is a new therapeutic agent with both anti-inflammatory and anti-smooth muscle (ASM) remodeling effects. The mannose receptor (MR) family plays an important role in allergen uptake and processing of major allergens Der p 1 and Fel d 1. We have previously reported that ASM cells express a mannose receptor (ASM-MR) and that mannan derived from Saccharomyces cerevisiae (SC-MN) inhibits mannosyl-rich lysosomal hydrolase-induced bovine ASM cell proliferation. Using a humanized transgenic mouse strain (huASM-MRC2) expressing the human MRC2 receptor in a SM tissue-specific manner, we have demonstrated that ASM hyperplasia/hypertrophy can occur as early as 15 days after allergen challenge in this mouse model and this phenomenon is preventable with SC-MN treatment. This proof-of-concept study would facilitate future development of a potential asthma therapeutic agent with dual function of anti-inflammatory and anti-smooth muscle remodeling effects.
免疫调节中的聚糖和聚糖结合蛋白:过敏症患者的糖生物学简明介绍。
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