Abstract
Prado et al. (2006) developed a strain of genetically modified mice, which show attenuation of the vesicular acetylcholine transporter (VAChT) (Prado et al., 2006). This strain was named VAChT knockdown (VAChT KD). It is known that even a modest deficiency of VAChT is enough to interfere with neurotransmitter release, thus attenuating Parasympathetic Function. On the other hand, Zhao et a…