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  • Cell-to-cell interaction of a mouse dendritic cell and a mouse melanoma cell studied within a microfluidic chip

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    Author(s)
    LI, Paul
    Khamenehfar, Avid
    Kosia, Baindu
    Lopez, Alejandro
    Schmidt, Chris W.
    Griffith University Author(s)
    Lopez Ramirez, Alejandro
    Year published
    2013
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    Abstract
    Long-term monitoring of biochemical changes on a single cell has provided new information about unusual cellular response to reagents. A microchip device that was fabricated with a cell retention chamber allows selection, retention and shuttling of a single biological cell for long-time analysis. Excellent optical and fluorescent observation of the single cell have been simultaneously achieved. We previously reported this microfluidic method for the analysis on single multi-drug resistance (MDR) leukemia cells because MDR-mediated drug efflux is known to be a major cause of the failure of chemotherapy. This measurement method ...
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    Long-term monitoring of biochemical changes on a single cell has provided new information about unusual cellular response to reagents. A microchip device that was fabricated with a cell retention chamber allows selection, retention and shuttling of a single biological cell for long-time analysis. Excellent optical and fluorescent observation of the single cell have been simultaneously achieved. We previously reported this microfluidic method for the analysis on single multi-drug resistance (MDR) leukemia cells because MDR-mediated drug efflux is known to be a major cause of the failure of chemotherapy. This measurement method is dubbed as the same-single-cell analysis (SASCA), which takes advantages of tracking one and the same cell over a long period of time. This method is now employed to study cell-to-cell interaction in cancer research using the mouse cell model. In Australia, melanoma is the most common cancer in the 15-44 year age group and accounts for 3% of all cancer deaths. Queensland has the highest incidence rate of melanoma in the world. The murine melanoma B16OVA has been used as a model to determine in what form of cell-derived tumour antigen is cross-presented to murine dendritic cells (DCs). In this study, we have trapped one DC2114 cell in the microfluidic biochip and then bring a second type of cell (i.e. B16OVA) in close proximity to the first cell. The cell-to-cell interaction is then fluorescently imaged to show the time-course changes. We envision this study will provide insight into the mechanism of antigen cross presentation.
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    Conference Title
    4th Australia and New Zealand Micro/Nanofluidics Symposium
    Publisher URI
    http://www.flinders.edu.au/events/show/event/4th-australian-and-new-zealand-micro-nanofluidic-symposium-and-student-workshop
    Copyright Statement
    © The Author(s) 2013. The attached file is reproduced here in accordance with the copyright policy of the publisher. For information about this conference please refer to the conference’s website or contact the authors.
    Subject
    Tumour Immunology
    Publication URI
    http://hdl.handle.net/10072/59287
    Collection
    • Conference outputs

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