Human Peripheral Blood Mononuclear Cells (hPBMCs) are essential for designing cellular models to be used in cell therapy and drug discovery research programs [1-7, 12]. Being able to access reliable and ethical sources of well-characterized hPBMCs is now becoming fundamental for running physiologically relevant cell-based assays. A good opportunity to discuss the expanding applications for hPBMCs in drug development, that Patricia Bresnahan, PhD (Global Marketing Director at HemaCare Corporation) has observed over the last years.
Understanding how mammalian cells function requires a dynamic perspective. Recent improvements in our abilities to perform fluorescence microscopy on primary cells, coupled with advances in pipelines for quantifying and extracting data, have made possible a better understanding of the temporal complexity of cell signalling pathway. Due to the heterogeneity seen in both eukaryotic and prokaryotic cell populations, study at the single cell resolution with living cells is currently the best solution to understand the dynamics between environmental conditions and cellular behaviour.
However as living cells don’t stay still, classical imaging and studying methods present some drawbacks for single cell analysis and tracking such as:
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