This causes CD4+ cells to secrete B cell growth factor, IL-4. This concurrent stimulation by dendritic cells and activate CD4+ causes B cell proliferation and differentiation into memory B cells and plasma cells. Cytokine pattern-mediated class switch allows specific immunoglobulins to be produced.
Diet tonic water does not contain sugar and provides zero calories. If you make a vodka and tonic with 100 percent proof vodka and add 8 ozs. of tonic, the drink will provide around 215 calories. If you use 80 percent proof vodka and diet tonic, you will ingest approximately 95 calories.
by the way, regular tonic water is 10 cals/oz (not that bad, but diet coke is better). Diet tonic water has ZERO calories. Worst case, you can bring a bottle of the diet stuff with you and ask for your shot in a bigger glass so you can do your own mixing.