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Front Chem

Title:		Unraveling the Extracellular Metabolism of Immortalized Hippocampal Neurons Under Normal Growth Conditions
Author(s):		Campanella B; Colombaioni L; Nieri R; Benedetti E; Onor M; Bramanti E;
Address:		"National Research Council, Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), Pisa, Italy. National Research Council, Institute of Neuroscience (CNR-IN), Pisa, Italy. Hematology Unit, Department of Oncology, University of Pisa, Pisa, Italy"
Journal Title:		Front Chem
Year:		2021
Volume:		20210416
Issue:
Page Number:		621548 -
DOI:		10.3389/fchem.2021.621548
ISSN/ISBN:		2296-2646 (Print) 2296-2646 (Electronic) 2296-2646 (Linking)
Abstract:		"Metabolomic profiling of cell lines has shown many potential applications and advantages compared to animal models and human subjects, and an accurate cellular metabolite analysis is critical to understanding both the intracellular and extracellular environments in cell culture. This study provides a fast protocol to investigate in vitro metabolites of immortalized hippocampal neurons HN9.10e with minimal perturbation of the cell system using a targeted approach. HN9.10e neurons represent a reliable model of one of the most vulnerable regions of the central nervous system. Here, the assessment of their extracellular metabolic profile was performed by studying the cell culture medium before and after cell growth under standard conditions. The targeted analysis was performed by a direct, easy, high-throughput reversed-phase liquid chromatography with diode array detector (RP-HPLC-DAD) method and by headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) for the study of volatile organic compounds (VOCs). The analysis of six different batches of cells has allowed to investigate the metabolic reproducibility of neuronal cells and to describe the metabolic 'starting' conditions that are mandatory for a well-grounded interpretation of the results of any following cellular treatment. An accurate study of the metabolic profile of the HN9.10e cell line has never been performed before, and it could represent a quality parameter before any other targeting assay or further exploration"
Keywords:		Gc-ms Hplc-dad metabolomics primary cultured hippocampal neurons reproducibility;Neuroscience;
Notes:		"PubMed-not-MEDLINECampanella, Beatrice Colombaioni, Laura Nieri, Riccardo Benedetti, Edoardo Onor, Massimo Bramanti, Emilia eng Switzerland 2021/05/04 Front Chem. 2021 Apr 16; 9:621548. doi: 10.3389/fchem.2021.621548. eCollection 2021"