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SIgN scientists discover dendritic cells key to activating human immune responses
Date:7/16/2012

son of human and mouse DC subsets and demonstrated that there was close alignment of the DC subsets between species. Functional alignment of human and mouse DC subsets had previously been hampered by differences in surface marker expression and accessibility of equivalent sources. This detailed study now aligns the mouse and human DC networks, and will facilitate better translation of mouse DC studies to the human setting.

Dr Ginhoux, said, "This was technically very challenging work as we only had limited quantities of human tissue samples and limited amount of cells to work with. But we managed to obtain the full gene expression profile of tissue DC, including for this new CD141hi DC subset. This knowledge will be fundamentally important in learning how to manipulate immune responses to tumors, viruses and vaccines. Importantly, we were very fortunate to have an incredible bioinformatics team in SIgN to perform the intra and interspecies analysis of DCs from human and mouse samples. Our findings will allow scientists to draw clear inferences between mouse and human DC biology."

Scientific Director of SIgN, Professor Paola Castagnoli said, "These findings will facilitate translation of basic research into clinical applications such as future rational vaccine design and targeted immunotherapies. This is a fine example of how scientists and clinicians collaborate to carry out impactful research and benefit people."


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Contact: Siok Ming Ong
siokming@gmail.com
65-682-66254
Agency for Science, Technology and Research (A*STAR), Singapore
Source:Eurekalert

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