在无菌药物制造设施中进行微生物识别和污染调查的综合技术战略 - 一个案例研究
Minghui Song1,2, Qiongqiong Li1,2, Chengzhi Liu3
1NMPA Key Laboratory for Testing Technology of Pharmaceutical Microbiology, Shanghai Institute for Food and Drug Control, Shanghai, China.
Frontiers in microbiology
|February 27, 2024
概括
使用MALDI-TOF MS和测序有效识别无菌药物制造中的微生物污染物的新策略. 人员流动与环境污染有关,有助于风险评估和控制.
科学领域:
- 微生物学 微生物学
- 制药制造业 制药制造业 制药制造业
- 基因组学就是基因组学.
背景情况:
- 无菌药物制造需要严格的微生物控制,以确保产品的安全.
- 识别和跟踪微生物污染源对于有效的质量管理至关重要.
研究的目的:
- 在无菌药物制造中建立微生物鉴定和污染调查的综合战略.
- 监测制药设施内的细菌污染,分布和模式.
主要方法:
- 使用矩阵辅助激光脱/电离-飞行时间质谱法 (MALDI-TOF MS) 进行微生物鉴定.
- 采用测序技术来确定菌株类型,特别是全基因组SNP类型,用于区分细菌分离物.
- 在三个月内从原材料,人员,环境和生产水中收集了292个样本.
主要成果:
- 已识别的主要细菌污染物: *Staphylococcus* spp. (40.25%), *微型菌* 种类. (11.20%) 和 * 细菌 * spp. (8.30%) 的情况.
- MALDI-TOF MS表现出高度的识别能力 (75.8%的物种,95.4%的属级).
- 全基因组SNP类型化揭示了人员流动作为环境污染的关键因素 * Staphylococcus cohnii *.
结论:
- 开发的战略加强了药品生产中的微生物监测和污染调查.
- 研究结果为优化控制计划和改进生产和环境流程提供了证据.
- 综合MALDI-TOFMS和菌株类型提供了可靠的数据,用于风险评估和纠正行动.
更多相关视频
09:30Author Spotlight: Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies
Published on: March 17, 2023
3.4K
09:07Author Spotlight: Accelerating Diagnostic Accuracy with Direct Identification of Gram-Negatives from Blood Culture Bottles
Published on: May 24, 2024
908
相关概念视频
Differential Staining Technique
Differential staining is an essential microbiological technique that exploits variations in cell wall structures to classify and identify microorganisms. It facilitates the distinction of bacteria, aiding in diagnostic and research applications. Two of the most widely used differential staining methods are Gram staining and acid-fast staining, both of which rely on the chemical and structural differences in bacterial cell walls.Gram Staining TechniqueGram staining differentiates bacteria by...
Methods for Controlling Microbial Growth
Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
Key Techniques in Microbiology
Aseptic techniques prevent contamination, ensure experimental accuracy, and protect researchers and microbial cultures. These techniques are essential in clinical, industrial, and research settings where sterility is required.Maintaining Sterility in Laboratory PracticesScientists maintain sterility by sterilizing tools with heat or chemicals, disinfecting work surfaces, and handling cultures in controlled environments. Working near an open flame or within a laminar flow hood reduces the risk...
Scale-Up Processes
The scale-up of microbial fermentation processes is essential in industrial biotechnology, allowing the transition from laboratory-scale experiments to commercial-scale production while aiming to maintain product yield and quality. This process requires meticulous adjustment of equipment design, process parameters, and contamination control strategies to accommodate increasing culture volumes.At the laboratory scale, cultures are typically maintained in 1 to 10-liter glass or autoclavable...
iChip
The cultivation of environmental microorganisms has long been hindered by the inability to replicate complex native conditions in vitro. The isolation chip (iChip) addresses this limitation by facilitating the growth of previously uncultivable microorganisms through in situ incubation. Designed for high-throughput microbial cultivation, the iChip comprises hundreds of microchambers, each capable of housing a single microbial cell. These microchambers are loaded with a mixture of molten agar and...
Automated Microbial Diagnostics
Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...
