This video demonstrates a technique for assessing the ability of Porphyromonas gingivalis, an anaerobic pathogenic bacterium, to adhere to and invade human umbilical vein endothelial cells (HUVECs). After infecting the host cells with the bacteria, the host cells are lysed to release both adhered and internalized bacteria. When the lysate is plated in an appropriate medium, the presence of colonies indicates successful bacteria-host cell interactions.
Protocol
The following protocols will describe methods for culturing and studying the invasion by the anaerobic species, P. gingivalis; however, these protocols may be used for a number of anaerobic pathogens. Although HUVECs are used, this protocol may be used for other eukaryotic cells both immune and non-immune. 1. Anaerobic Chamber Use and Maintenance Note: P. gingivalis is an anaerobe sensitive to normal levels …
Representative Results
Figure 1. Anaerobic vinyl chamber and its components. (A) A vinyl anaerobic chamber sealed completely from atmospheric oxygen provides workspace for two individuals at a time (32 in x 78 in). It contains an incubator set at 37 °C (back middle). (B) An airlock is used for the transfer of items from the lab environment to the anaerobic chamber. Pictured is an …
Divulgations
The authors have nothing to disclose.
Materials
Vinyl Anaerobic Chamber-Type B
Coy Laboratory Products
Model 2000 incubator
TSA II Trypticase Soy Agar w/5% Sheep Blood
BBL
221261
Human Umbilical Vein Endothelial Cells 10-donor Pool