层层地涂层益生菌与酸-Ca2+和素合物复合物用于虫预防和质重矿化
Ming-Xin Cao1,2, Zhan-Yin Qian3, Yan-Jie Liang1,2
1Department of Orthodontics, Tianjin Medical University School and Hospital of Stomatology & Tianjin Key Laboratory of Oral Soft and Hard Tissues Restoration and Regeneration, No.12 Qixiangtai Road, Heping District, Tianjin 300070, P.R. China.
iScience
|January 15, 2025
概括
用酸-和素聚酸涂覆益生菌可以增强它们对抗牙损伤的能力. 这种新的方法改善了口腔植物平衡,抑制了生物膜,并促进了牙的重矿化.
科学领域:
- 口腔微生物学 口腔微生物学
- 生物材料科学 生物材料科学
- 牙科研究 牙科研究
背景情况:
- 牙损是一种由细菌斑块驱动的流行脱矿性疾病.
- 益生菌通过调节口腔微生物群来提供潜在的牙预防.
- 诸如不良殖民化和酶敏感性等挑战限制了益生菌在口腔中的有效性.
研究的目的:
- 开发一种新的益生菌表面涂层,以克服口服应用的局限性.
- 通过多功能化增强*Bifidobacterium infantis* (BI) 的抗脏性质.
- 评估涂层益生菌在抑制空性生物膜和促进再生矿物化的有效性.
主要方法:
- 用*Bifidobacterium infantis* (BI) 用酸 (TA) -Ca2+和素脂 (CPP) 进行层层地涂层.
- 涂层益生菌 (BI@TA-Ca2+@CPP) 对生长,溶酶耐药性和殖民潜力的评估.
- 在老鼠模型中评估抗生素膜形成,重矿化疗效和体内抗菌活性.
主要成果:
- BI@TA-Ca2+@CPP证明了持续增长,改善了酶耐药性和增强了殖民.
- 被涂层的益生菌表现出较强的抑制化生物膜的形成.
- BI@TA-Ca2+@CPP显示出显著的重矿化疗效,并在体内预防的进展,具有良好的生物相容性.
结论:
- 通过TA-Ca2+进行益生菌表面修饰@CPP涂层是对抗牙损伤的有希望的策略.
- 增强的殖民化和抗菌膜活性有助于功能化益生菌的抗菌潜力.
- 这种方法为牙腐烂的预防和治疗提供了一个新的治疗途径.
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