@Article{096504022X16418911579334,
AUTHOR = {Kazuhiro Yamamoto, Takeshi Ioroi, Kazuaki Shinomiya, Ayaka Yoshida, Kenichi Harada, Masato Fujisawa, Tomohiro Omura, Yasuaki Ikemi, Shunsaku Nakagawa, Atsushi Yonezawa, Osamu Ogawa, Kazuo Matsubara, Takuya Iwamoto, Kohei Nishikawa, Sayaka Hayashi, 
Daichi Tohara, Yoji Murakami, Takanobu Motoshima, Hirofumi Jono, Ikuko Yano},
TITLE = {<i>STAT3</i> Polymorphism Associates With mTOR Inhibitor-Induced Interstitial  Lung Disease in Patients With Renal Cell Carcinoma},
JOURNAL = {Oncology Research},
VOLUME = {29},
YEAR = {2021},
NUMBER = {1},
PAGES = {11--23},
URL = {http://www.techscience.com/or/v29n1/48449},
ISSN = {1555-3906},
ABSTRACT = {We evaluated the association of signal transducer and activator of transcription 3 (STAT3) polymorphisms with 
the incidence of mammalian target of rapamycin (mTOR) inhibitor-induced interstitial lung disease (ILD) in 
patients with renal cell carcinoma (RCC). We also used lung-derived cell lines to investigate the mechanisms 
of this association. Japanese patients with metastatic RCC who were treated with mTOR inhibitors were genotyped for the STAT3 polymorphism, rs4796793 (−1697C/G). We evaluated the association of the STAT3 genotype with the incidence of ILD and therapeutic outcome. In the 57 patients included in the primary analysis, the 
ILD rate within 140 days was significantly higher in patients with the GG genotype compared with those with 
other genotypes (77.8% vs. 23.1%, odds ratio = 11.67, 95% confidential interval = 3.06–44.46). There were no 
significant differences in progression-free survival or time-to-treatment failure between the patients with the 
GG genotype and those with other genotypes. An in vitro study demonstrated that some lung-derived cell lines 
carrying the GG genotype exhibited an increase in the expression of mesenchymal markers, such as fibronectin, 
N-cadherin, and vimentin, and decreases in E-cadherin, which is an epithelial marker associated with exposure 
to everolimus, although STAT3 expression and activity were not related to the genotype. In conclusion, the GG 
genotype of the STAT3 rs4796793 polymorphism increases the risk of mTOR inhibitor-induced ILD, supporting its use as a predictive marker for RCC.},
DOI = {10.3727/096504022X16418911579334}
}