期刊
JOURNAL OF THE ROYAL SOCIETY INTERFACE
卷 7, 期 45, 页码 595-601出版社
ROYAL SOC
DOI: 10.1098/rsif.2009.0364
关键词
bio-electrosprays; Caenorhabditis elegans; gene chip micro-array; heat shock proteins; life cycle
资金
- Royal Thai Government
- Royal Society
- BBSRC
- National Institutes of Health National Center for Research Resources
Bio-electrospray, the direct jet-based cell handling approach, is able to handle a wide range of cells (spanning immortalized, primary to stem cells). Studies at the genomic, genetic and the physiological levels have shown that, post-treatment, cellular integrity is unperturbed and a high percentage (more than 70%, compared with control) of cells remain viable. Although, these results are impressive, it may be argued that cell-based systems are oversimplistic. Therefore, it is important to evaluate the bio-electrospray technology using sensitive and dynamically developing multi-cellular organisms that share, at least some, similarities with multi-cell microenviorments encountered with tissues and organs. This study addressed this issue by using a well-characterized model organism, the non-parasitic nematode Caenorhabditis elegans. Nematode cultures were subjected to bio-electrospraying and compared with positive (heat shock) and negative controls (appropriate laboratory culture controls). Overall, bio-electrospraying did not modulate the reproductive output or induce significant changes in in vivo stress-responsive biomarkers (heat shock proteins). Likewise, whole-genome transcriptomics could not identify any biological processes, cellular components or molecular functions (gene ontology terms) that were significantly enriched in response to bio-electrospraying. This demonstrates that bio-electrosprays can be safely applied directly to nematodes and underlines its potential future use in the creation of multi-cellular environments within clinical applications.
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