Toll-like receptor 9 (TLR9) is a protein encoded by TLR9 gene in humans. It is also known as cluster of differentiation 289 (CD289) and is a member of TLR family.
Apoptosis is one of the best-characterized phenomena in cellular and molecular biology. Not only is it essential for successful development, but its deregulation also leads to a number of human diseases, most notably cancer.