WAS and Wiskott-Aldrich syndrome: Studies have proved several diseases related with the dysregulation of the actin cytoskeleton, including the Wiskott-Aldrich syndrome (WAS), an immunodeficiency disease resulted from the deficiency of WAS protein (WASP), an important actin regulator in haematopoietic cells, or WASP interacting protein (WIP) (23–26).