Non-English versions of The Simpsons Newt Gingrich in Quebec is generally replaced with one to Mike Harris. Most of the recurring characters keep their English names in each French version. Two exceptions are Sideshow Bob and Sideshow Mel, who are known as Tahiti Bob and Tahiti Mel in France, as the word "sideshow" has no direct translation. In Quebec, the title "sideshow" is kept as an Anglicism. Another exception is made for the Simpsons family's dog, Santa's Little Helper, who is called "Le p'tit renne au nez rouge" (the French name for the song "Rudolph the Red-Nosed Reindeer", which literally means "Little Red-Nosed Reindeer") in
T helper cell because such knowledge may be very useful in the treatment of disease and in increasing the effectiveness of vaccination. Proliferating helper T cells that develop into effector T cells differentiate into two major subtypes of cells known as T1 and T2 cells (also known as Type 1 and Type 2 helper T cells, respectively). T1 helper cells lead to an increased cell-mediated response, typically against intracellular bacteria and protozoa. They are triggered by IL-12 and their effector cytokines are IFN-γ and IL-2. The main effector cells of T1 immunity are macrophages as well as CD8 T cells, IgG B cells,