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  • The application of laser microdissection in molecular detection and identification of aspergillus fumigatus from murine model of acute invasive pulmonary aspergillosis.

The application of laser microdissection in molecular detection and identification of aspergillus fumigatus from murine model of acute invasive pulmonary aspergillosis.

Mycopathologia (2014-06-30)
Chong Wang, Ping Zhan, Le Wang, Rong Zeng, Yongnian Shen, Guixia Lv, Dongmei Li, Shuwen Deng, Weida Liu
要旨

Invasive aspergillosis (IA) is a major concern in patients with severe immune deficiency. As antifungal susceptibility varies in different fungal pathogens, accurate and timely identification of species is becoming imperative for guidance of therapy and reducing high mortality rates in patients with IA. But, in fact, the diagnosis is challenging and new validated techniques are required for the detection and identification of clinically relevant isolates. The laser capture microdissection (LCM) system enables analysis of cytologically and/or phenotypically defined cell types from heterogeneous tissue and has been used in diagnosis and fungal species identification in pulmonary aspergillosis of white storks. To establish the experimental foundation for clinical application of the system, we microdissected and collected Blankophor-stained single hyphal strands from tissue cryosections of murine model of invasive pulmonary aspergillosis (IPA) with A. fumigatus by LCM, subsequently processed for DNA extraction, PCR sequencing, and species molecular identification. The sensitivity of LCM-PCR sequencing was 89 % (89/100), and the specificity was 100 %. Moreover, the positive predictive value and negative predictive value were 100 and 78.43 %, respectively. The result approved that the LCM-based methods had the potential for accurately diagnosis and rapidly identification fungal pathogens of IPA.

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Sigma-Aldrich
テトラサイクリン 塩酸塩, powder, BioReagent, suitable for cell culture
USP
トリアムシノロンアセトニド, United States Pharmacopeia (USP) Reference Standard
USP
テトラサイクリン 塩酸塩, United States Pharmacopeia (USP) Reference Standard
Sigma-Aldrich
テトラサイクリン 塩酸塩, ≥95% (European Pharmacopoeia HPLC assay)
Sigma-Aldrich
テトラサイクリン 塩酸塩, powder
Supelco
テトラサイクリン 塩酸塩, Pharmaceutical Secondary Standard; Certified Reference Material
Supelco
テトラサイクリン 塩酸塩, VETRANAL®, analytical standard
Supelco
トリアムシノロンアセトニド, analytical standard
Sigma-Aldrich
テトラサイクリン 塩酸塩, meets USP testing specifications
シクロホスファミド, European Pharmacopoeia (EP) Reference Standard
テトラサイクリン 塩酸塩, European Pharmacopoeia (EP) Reference Standard
トリアムシノロンアセトニド, European Pharmacopoeia (EP) Reference Standard
システム適合性用トリアムシノロンアセトニド, European Pharmacopoeia (EP) Reference Standard