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Hi
My wife is in the process of setting up live imaging using multiphoton 
microscopy and would like to follow how GFP-producing bacteria are 
colonizing  the mouse intestine. She also would like to capture the resulting 
inflammatory host response. When she did this earlier in the kidney she used 
labeled dextran-molecules of different sizes and also hoechst staining to 
differentiate different cell types, but she would like to know if there are 
others/more specific probes. 

If you have any suggestions of how to label for example gut epithelium, 
neutrophils, macrophages and dendritic cells during multiphoton in vivo imaging 
of live mice she would be very grateful.

Thanks for your assistance
Goran