相关实验视频

Updated: Jun 12, 2025

Concurrent Quantification of Cellular and Extracellular Components of Biofilms

Concurrent Quantification of Cellular and Extracellular Components of Biofilms

Published on: December 10, 2013

基于异甲基的药物对Streptococcus mutans生物膜形成的协同抑制作用

Arisu Korenaga¹, Toshiki Miyaoka¹, Harumi Asami¹

¹Research & Development division, Osaka kasei Co., Ltd., Osaka, Japan.

|September 23, 2024

概括

这项研究表明,4 - 异-3 - 甲基 (IPMP) 与聚氧乙烯化麻油 (POEHCO) 有效抑制了Streptococcus mutans生物膜. 这种组合还减少了与生物膜相关的基因表达,这表明它有可能预防口腔疾病.

科学领域:

口腔微生物学口腔微生物学
生物化学生物化学

背景情况:

牙损和牙周炎是人类普遍存在的口腔疾病,也是导致牙脱落的主要原因.
突变性链球菌 (Streptococcus mutans) 是一种主要的病原体,它是导致牙腐烂和牙斑的原因,原因是牙上的生物膜形成.

研究的目的:

为了研究基于4-异-3-甲基 (IPMP) 的药物的体外生物膜抑制功效.
评估IPMP与聚氧乙烯化麻油 (POEHCO) 结合在Streptococcus mutans生物膜上的协同效应.
检查IPMP对S. mutans中关键生物膜相关基因表达的影响.

主要方法:

通过IPMP和IPMP/POEHCO配方进行生物膜抑制的体外评估.
定量实时PCR分析以测量GTfB,GTfC和GTfD基因的表达水平.

主要成果:

与单独使用IPMP相比,IPMP与POEHCO结合显示出显著增强S. mutans生物膜的抑制.
即使在低于最小的抑制度下,IPMP也显著降低了GTFB,GTFC和GTFD基因的表达.
该研究观察到生物膜抑制的协同增强,归因于IPMP的联合表面活性剂和抗生物膜活性.

结论:

基于IPMP的药物,特别是与POEHCO配制时,对S. mutans.表现出强大的抗菌膜活性.
IPMP对重要的生物膜基因的下调有助于其抗生物膜效应.
这些发现表明,基于IPMP的牙膏有望预防与细菌生物膜相关的口腔疾病.

更多相关视频

A Platform of Anti-biofilm Assays Suited to the Exploration of Natural Compound Libraries

A Platform of Anti-biofilm Assays Suited to the Exploration of Natural Compound Libraries

Published on: December 27, 2016

Methodologies for Studying B. subtilis Biofilms as a Model for Characterizing Small Molecule Biofilm Inhibitors

Methodologies for Studying B. subtilis Biofilms as a Model for Characterizing Small Molecule Biofilm Inhibitors

Published on: October 9, 2016

相关概念视频

Combined Effects of Drugs: Synergism

Combined Effects of Drugs: Synergism

Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...

Surface Membrane Barriers

Surface Membrane Barriers

The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...

Solvating Effects

Solvating Effects

An understanding of the solvating effect helps rationalize the relation between solvation and acidity of the compound. In addition, this also explains the relative stability of conjugate bases for compounds with different pKa values. This lesson details, in-depth, the principle of solvating effects. The strength of an acid and the stability of its corresponding conjugate base are determined using pKa values. This observed relationship is a consequence of solvation, which is the interaction...