Diagnostic MALDI-TOF MS can differentiate between high and low toxic Staphylococcus aureus bacteraemia isolates as a predictor of patient outcome.

Diagnostic MALDI-TOF MS can differentiate between high and low toxic Staphylococcus aureus bacteraemia isolates as a predictor of patient outcome.
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DOI:
10.1099/mic.0.001223
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发表时间:
2022-08
期刊:
影响因子:
2.8
通讯作者:
Massey, Ruth C.
Massey, Ruth C.
中科院分区:
生物学4区
文献类型:
--
作者:
Brignoli, Tarcisio;Recker, Mario;Lee, Winnie W. Y.;Dong, Tim;Bhamber, Ranjeet;Albur, Mahableshwar;Williams, Philip;Dowsey, Andrew W.;Massey, Ruth C.

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金黄色葡萄球菌血症(SAB)是医疗保健和社区环境中血流感染(BSI)的主要原因。虽然患者潜在的合并症对SAB的易感性和预后有很大影响,但最近的研究表明,感染细菌产生的溶细胞毒素水平很重要。在这项研究中,我们证明了这种细胞毒性可以直接从常规诊断实验室产生的诊断MALDI-TOF质谱中确定。随着进一步的发展,这些信息可用于指导SAB患者的治疗和改善预后。
Staphylococcus aureus bacteraemia (SAB) is a major cause of blood-stream infection (BSI) in both healthcare and community settings. While the underlying comorbidities of a patient significantly contributes to their susceptibility to and outcome following SAB, recent studies show the importance of the level of cytolytic toxin production by the infecting bacterium. In this study we demonstrate that this cytotoxicity can be determined directly from the diagnostic MALDI-TOF mass spectrum generated in a routine diagnostic laboratory. With further development this information could be used to guide the management and improve the outcomes for SAB patients.
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