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Stress‐related salivary proteins affect the production of volatile sulfur compounds by oral bacteria

机译:与胁迫相关的唾液蛋白质通过口服细菌产生挥发性硫化合物的产生

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Abstract Objective To determine whether stress‐related substances and sex hormones influence the growth and in vitro production of volatile sulfur compounds ( VSC s) by Solobacterium moorei and Fusobacterium nucleatum . Materials and Methods Bacteria growth and VSC s production were evaluated in the presence of alpha‐amylase, beta‐defensin‐2, mucin, estradiol, and progesterone. Growth was evaluated by colony counting, and the production of the VSC s hydrogen sulfide (H 2 S) and methyl mercaptan ( CH 3 SH ) was measured using the Oral Chroma? instrument. Results Mucin induced the production of H 2 S by both bacteria, but had a slight inhibitory effect on CH 3 SH production by F.?nucleatum . It also increased the viability of F.?nucleatum . Alpha‐amylase increased H 2 S production by S.?moorei and CH 3 SH production by F.?nucleatum , but had no effect on H 2 S production by F.?nucleatum . No substance altered the viability of S.?moorei . No effects of beta‐defensin‐2, estradiol, or progesterone were observed. Conclusion The salivary stress‐related proteins mucin and alpha‐amylase altered VSC s production by F.?nucleatum and S.?moorei, favoring H 2 S production. These findings are a step toward understanding the relation between stress and increased amounts of H 2 S.
机译:摘要目的判断应激相关物质和性激素是否影响挥发性硫化合物(VSC S)的生长和体外生产通过梭菌Moorei和Fusobacterium核心核。在α-淀粉酶,β-防御释放蛋白-2,粘蛋白,雌二醇和孕酮存在下评估材料和方法细菌生长和VSC S产生。通过菌落计数评估生长,使用口腔色度测量VSC S硫化氢(H 2 S)和甲硫醇(CH 3 SH)的产生。仪器。结果粘蛋白在两种细菌中诱导H 2 S的产生,但对CH 3 SH的生产产生轻微的抑制作用。它还增加了F.Nucleatum的可行性。 α-淀粉酶通过S.?moorei和CH 3 Sh产生的H 2 S生产增加了F.?nucleatum的生产,但对H 2 S生产没有影响F.nucleatum。没有物质改变了S.?moorei的可行性。没有观察到β-防御素-2,雌二醇或孕酮的影响。结论唾液胁迫相关蛋白粘蛋白和α-淀粉酶通过F.? Nucleatum和S.?moorei改变了VSC S产生,优先于H 2 S生产。这些发现是了解应力与H 2 S的量增加的关系。

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