Erschienen in:
16.08.2016
Human cytomegalovirus downregulates SLITRK6 expression through IE2
verfasst von:
Huanan Liao, Haruna Sato, Ryosuke Chiba, Tomoko Kawai, Kazuhiko Nakabayashi, Kenichiro Hata, Hidenori Akutsu, Shigeyoshi Fujiwara, Hiroyuki Nakamura
Erschienen in:
Journal of NeuroVirology
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Ausgabe 1/2017
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Abstract
Congenital human cytomegalovirus (HCMV) infection causes sensorineural hearing loss (SNHL) and other neurological disorders, although the neuropathogenesis of HCMV infection is not well understood. Here, we show that the expression of SLITRK6, one of causative genes for hereditary SNHL, was robustly downregulated by HCMV infection in cultured neural cells. We also show that HCMV-encoded immediate-early 2 (IE2) proteins mediate this downregulation and their carboxy-terminal region, especially amino acid residue Gln548, has a critical role. These findings suggest that the downregulation of SLITRK6 expression by IE2 may have a role in HCMV-induced SNHL and other neurological disorders.