Huntingtin is a protein that is used to transport molecules within a cell, regulate transcription, inhibition of programmed cell death, and embryonic development. Huntingtin has been observed in assisting the intracellular movement of vesicles which transport molecules throughout the cell. Huntingtin does this by interacting with components of microtubules which serve as a highway for vesicles to move through the cell. Huntingtin serves as a major transportation protein primarily for the brain-derived neurotrophic factor protein (BDNF), which is important for striatal cells to survive. Furthermore, studies have shown that huntingtin serves as an important transportation protein for iron. In regards to huntingtin and transcription, huntingtin