Adenovirus Vectors Target Several Cell Subtypes of Mammalian Inner Ear In Vivo
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CitationShu, Yilai, Yong Tao, Wenyan Li, Jun Shen, Zhengmin Wang, and Zheng-Yi Chen. 2016. “Adenovirus Vectors Target Several Cell Subtypes of Mammalian Inner Ear In Vivo.” Neural Plasticity 2016 (1): 9409846. doi:10.1155/2016/9409846. http://dx.doi.org/10.1155/2016/9409846.
AbstractMammalian inner ear harbors diverse cell types that are essential for hearing and balance. Adenovirus is one of the major vectors to deliver genes into the inner ear for functional studies and hair cell regeneration. To identify adenovirus vectors that target specific cell subtypes in the inner ear, we studied three adenovirus vectors, carrying a reporter gene encoding green fluorescent protein (GFP) from two vendors or with a genome editing gene Cre recombinase (Cre), by injection into postnatal days 0 (P0) and 4 (P4) mouse cochlea through scala media by cochleostomy in vivo. We found three adenovirus vectors transduced mouse inner ear cells with different specificities and expression levels, depending on the type of adenoviral vectors and the age of mice. The most frequently targeted region was the cochlear sensory epithelium, including auditory hair cells and supporting cells. Adenovirus with GFP transduced utricular supporting cells as well. This study shows that adenovirus vectors are capable of efficiently and specifically transducing different cell types in the mammalian inner ear and provides useful tools to study inner ear gene function and to evaluate gene therapy to treat hearing loss and vestibular dysfunction.
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