TY - JOUR
T1 - GSTA4 mediates reduction of cisplatin ototoxicity in female mice
AU - Park, Hyo Jin
AU - Kim, Mi Jung
AU - Rothenberger, Christina
AU - Kumar, Ashok
AU - Sampson, Edith M.
AU - Ding, Dalian
AU - Han, Chul
AU - White, Karessa
AU - Boyd, Kevin
AU - Manohar, Senthilvelan
AU - Kim, Yong Hwan
AU - Ticsa, Maria S.
AU - Gomez, Aaron S.
AU - Caicedo, Isabela
AU - Bose, Upal
AU - Linser, Paul J.
AU - Miyakawa, Takuya
AU - Tanokura, Masaru
AU - Foster, Thomas C.
AU - Salvi, Richard
AU - Someya, Shinichi
N1 - Publisher Copyright:
© 2019, The Author(s).
PY - 2019/12/1
Y1 - 2019/12/1
N2 - Cisplatin is one of the most widely used chemotherapeutic drugs for the treatment of cancer. Unfortunately, one of its major side effects is permanent hearing loss. Here, we show that glutathione transferase α4 (GSTA4), a member of the Phase II detoxifying enzyme superfamily, mediates reduction of cisplatin ototoxicity by removing 4-hydroxynonenal (4-HNE) in the inner ears of female mice. Under cisplatin treatment, loss of Gsta4 results in more profound hearing loss in female mice compared to male mice. Cisplatin stimulates GSTA4 activity in the inner ear of female wild-type, but not male wild-type mice. In female Gsta4−/− mice, cisplatin treatment results in increased levels of 4-HNE in cochlear neurons compared to male Gsta4−/− mice. In CBA/CaJ mice, ovariectomy decreases mRNA expression of Gsta4, and the levels of GSTA4 protein in the inner ears. Thus, our findings suggest that GSTA4-dependent detoxification may play a role in estrogen-mediated neuroprotection.
AB - Cisplatin is one of the most widely used chemotherapeutic drugs for the treatment of cancer. Unfortunately, one of its major side effects is permanent hearing loss. Here, we show that glutathione transferase α4 (GSTA4), a member of the Phase II detoxifying enzyme superfamily, mediates reduction of cisplatin ototoxicity by removing 4-hydroxynonenal (4-HNE) in the inner ears of female mice. Under cisplatin treatment, loss of Gsta4 results in more profound hearing loss in female mice compared to male mice. Cisplatin stimulates GSTA4 activity in the inner ear of female wild-type, but not male wild-type mice. In female Gsta4−/− mice, cisplatin treatment results in increased levels of 4-HNE in cochlear neurons compared to male Gsta4−/− mice. In CBA/CaJ mice, ovariectomy decreases mRNA expression of Gsta4, and the levels of GSTA4 protein in the inner ears. Thus, our findings suggest that GSTA4-dependent detoxification may play a role in estrogen-mediated neuroprotection.
UR - https://www.scopus.com/pages/publications/85072150617
U2 - 10.1038/s41467-019-12073-0
DO - 10.1038/s41467-019-12073-0
M3 - Article
C2 - 31515474
AN - SCOPUS:85072150617
SN - 2041-1723
VL - 10
JO - Nature Communications
JF - Nature Communications
IS - 1
M1 - 4150
ER -