| Title |
Genome-wide association studies identify PRKCB as a novel genetic susceptibility locus for primary biliary cholangitis in the Japanese population
|
|---|---|
| Published in |
Human Molecular Genetics, January 2017
|
| DOI | 10.1093/hmg/ddw406 |
| Pubmed ID | |
| Authors |
Minae Kawashima, Yuki Hitomi, Yoshihiro Aiba, Nao Nishida, Kaname Kojima, Yosuke Kawai, Hitomi Nakamura, Atsushi Tanaka, Mikio Zeniya, Etsuko Hashimoto, Hiromasa Ohira, Kazuhide Yamamoto, Masanori Abe, Kazuhiko Nakao, Satoshi Yamagiwa, Shuichi Kaneko, Masao Honda, Takeji Umemura, Takafumi Ichida, Masataka Seike, Shotaro Sakisaka, Masaru Harada, Osamu Yokosuka, Yoshiyuki Ueno, Michio Senju, Tatsuo Kanda, Hidetaka Shibata, Takashi Himoto, Kazumoto Murata, Yasuhiro Miyake, Hirotoshi Ebinuma, Makiko Taniai, Satoru Joshita, Toshiki Nikami, Hajime Ota, Hiroshi Kouno, Hirotaka Kouno, Makoto Nakamuta, Nobuyoshi Fukushima, Motoyuki Kohjima, Tatsuji Komatsu, Toshiki Komeda, Yukio Ohara, Toyokichi Muro, Tsutomu Yamashita, Kaname Yoshizawa, Yoko Nakamura, Masaaki Shimada, Noboru Hirashima, Kazuhiro Sugi, Keisuke Ario, Eiichi Takesaki, Atsushi Naganuma, Hiroshi Mano, Haruhiro Yamashita, Kouki Matsushita, Kazuhiko Yamauchi, Fujio Makita, Hideo Nishimura, Kiyoshi Furuta, Naohiro Takahashi, Masahiro Kikuchi, Naohiko Masaki, Tomohiro Tanaka, Sumito Tamura, Akira Mori, Shintaro Yagi, Ken Shirabe, Atsumasa Komori, Kiyoshi Migita, Masahiro Ito, Shinya Nagaoka, Seigo Abiru, Hiroshi Yatsuhashi, Michio Yasunami, Shinji Shimoda, Kenichi Harada, Hiroto Egawa, Yoshihiko Maehara, Shinji Uemoto, Norihiro Kokudo, Hajime Takikawa, Hiromi Ishibashi, Kazuaki Chayama, Masashi Mizokami, Masao Nagasaki, Katsushi Tokunaga, Minoru Nakamura |
| Abstract |
A previous genome-wide association study (GWAS) performed in 963 Japanese individuals (487 primary biliary cholangitis [PBC] cases and 476 healthy controls) identified TNFSF15 (rs4979462) and POU2AF1 (rs4938534) as strong susceptibility loci for PBC. In this study, we performed GWAS in an additional 1,923 Japanese individuals (894 PBC cases and 1,029 healthy controls), and combined the results with the previous data. This GWAS, together with a subsequent replication study in an independent set of 7,024 Japanese individuals (512 PBC cases and 6,512 healthy controls), identified PRKCB (rs7404928) as a novel susceptibility locus for PBC (odds ratio [OR] = 1.26, P = 4.13 × 10(-9)). Furthermore, a primary functional variant of PRKCB (rs35015313) was identified by genotype imputation using a phased panel of 1,070 Japanese individuals from a prospective, general population cohort study and subsequent in vitro functional analyses. These results may lead to improved understanding of the disease pathways involved in PBC, forming a basis for prevention of PBC and development of novel therapeutics. |
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