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Variations in ORAI1 Gene Associated with Kawasaki Disease.


ABSTRACT: Kawasaki disease (KD; MIM#61175) is a systemic vasculitis syndrome with unknown etiology which predominantly affects infants and children. Recent findings of susceptibility genes for KD suggest possible involvement of the Ca(2+)/NFAT pathway in the pathogenesis of KD. ORAI1 is a Ca(2+) release activated Ca(2+) (CRAC) channel mediating store-operated Ca(2+) entry (SOCE) on the plasma membrane. The gene for ORAI1 is located in chromosome 12q24 where a positive linkage signal was observed in our previous affected sib-pair study of KD. A common non-synonymous single nucleotide polymorphism located within exon 2 of ORAI1 (rs3741596) was significantly associated with KD (P = 0.028 in the discovery sample set (729 KD cases and 1,315 controls), P = 0.0056 in the replication sample set (1,813 KD cases vs. 1,097 controls) and P = 0.00041 in a meta-analysis by the Mantel-Haenszel method). Interestingly, frequency of the risk allele of rs3741596 is more than 20 times higher in Japanese compared to Europeans. We also found a rare 6 base-pair in-frame insertion variant associated with KD (rs141919534; 2,544 KD cases vs. 2,414 controls, P = 0.012). These data indicate that ORAI1 gene variations are associated with KD and may suggest the potential importance of the Ca(2+)/NFAT pathway in the pathogenesis of this disorder.

SUBMITTER: Onouchi Y 

PROVIDER: S-EPMC4720480 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Variations in ORAI1 Gene Associated with Kawasaki Disease.

Onouchi Yoshihiro Y   Fukazawa Ryuji R   Yamamura Kenichiro K   Suzuki Hiroyuki H   Kakimoto Nobuyuki N   Suenaga Tomohiro T   Takeuchi Takashi T   Hamada Hiromichi H   Honda Takafumi T   Yasukawa Kumi K   Terai Masaru M   Ebata Ryota R   Higashi Kouji K   Saji Tsutomu T   Kemmotsu Yasushi Y   Takatsuki Shinichi S   Ouchi Kazunobu K   Kishi Fumio F   Yoshikawa Tetsushi T   Nagai Toshiro T   Hamamoto Kunihiro K   Sato Yoshitake Y   Honda Akihito A   Kobayashi Hironobu H   Sato Junichi J   Shibuta Shoichi S   Miyawaki Masakazu M   Oishi Ko K   Yamaga Hironobu H   Aoyagi Noriyuki N   Yoshiyama Megumi M   Miyashita Ritsuko R   Murata Yuji Y   Fujino Akihiro A   Ozaki Kouichi K   Kawasaki Tomisaku T   Abe Jun J   Seki Mitsuru M   Kobayashi Tohru T   Arakawa Hirokazu H   Ogawa Shunichi S   Hara Toshiro T   Hata Akira A   Tanaka Toshihiro T  

PloS one 20160120 1


Kawasaki disease (KD; MIM#61175) is a systemic vasculitis syndrome with unknown etiology which predominantly affects infants and children. Recent findings of susceptibility genes for KD suggest possible involvement of the Ca(2+)/NFAT pathway in the pathogenesis of KD. ORAI1 is a Ca(2+) release activated Ca(2+) (CRAC) channel mediating store-operated Ca(2+) entry (SOCE) on the plasma membrane. The gene for ORAI1 is located in chromosome 12q24 where a positive linkage signal was observed in our pr  ...[more]

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