Research Summary

Selected Publications

Papers with an asterisk(*) are based on research conducted outside of RIKEN.

• 1. Ishigaki K, Sakaue S, Terao C, Luo Y, Sonehara K, Yamaguchi K, Amariuta T, Too CL, Laufer VA, Scott IC, Viatte S, Takahashi M, Ohmura K, Murasawa A, Hashimoto M, Ito H, Hammoudeh M, Emadi SA, Masri BK, Halabi H, Badsha H, Uthman IW, Wu X, Lin L, Li T, Plant D, Barton A, Orozco G, Verstappen SMM, Bowes J, MacGregor AJ, Honda S, Koido M, Tomizuka K, Kamatani Y, Tanaka H, Tanaka E, Suzuki A, Maeda Y, Yamamoto K, Miyawaki S, Xie G, Zhang J, Amos CI, Keystone E, Wolbink G, van der Horst-Bruinsma I, Cui J, Liao KP, Carroll RJ, Lee HS, Bang SY, Siminovitch KA, de Vries N, Alfredsson L, Rantapää-Dahlqvist S, Karlson EW, Bae SC, Kimberly RP, Edberg JC, Mariette X, Huizinga T, Dieudé P, Schneider M, Kerick M, Denny JC; BioBank Japan Project; Matsuda K, Matsuo K, Mimori T, Matsuda F, Fujio K, Tanaka Y, Kumanogoh A, Traylor M, Lewis CM, Eyre S, Xu H, Saxena R, Arayssi T, Kochi Y, Ikari K, Harigai M, Gregersen PK, Yamamoto K, Louis Bridges S Jr, Padyukov L, Martin J, Klareskog L, Okada Y, Raychaudhuri S.
  "Multi-ancestry genome-wide association analyses identify novel genetic mechanisms in rheumatoid arthritis."
  Nature Genetics. 54(11):1640-1651 (2022)
• 2. *Ishigaki K, Lagattuta KA, Luo Y, James EA, Buckner JH, Raychaudhuri S.
  "HLA autoimmune risk alleles restrict the hypervariable region of T cell receptors."
  Nature Genetics. 54(4):393-402 (2022)
• 3. Nakano M, Ota M, Takeshima Y, Iwasaki Y, Hatano H, Nagafuchi Y, Itamiya T, Maeda J, Yoshida R, Yamada S, Nishiwaki A, Takahashi H, Takahashi H, Akutsu Y, Kusuda T, Suetsugu H, Liu L, Kim K, Yin X, Bang SY, Cui Y, Lee HS, Shoda H, Zhang X, Bae SC, Terao C, Yamamoto K, Okamura T, Ishigaki K (co-corresponding author), Fujio K.
  "Distinct transcriptome architectures underlying lupus establishment and exacerbation."
  Cell. 185(18):3375-3389.e21 (2022)
• 4. *Nathan A, Asgari S, Ishigaki K, Valencia C, Amariuta T, Luo Y, Beynor JI, Baglaenko Y, Suliman S, Price AL, Lecca L, Murray MB, Moody DB, Raychaudhuri S.
  "Single-cell eQTL models reveal dynamic T cell state dependence of disease loci."
  Nature. 606(7912):120-128 (2022)
• 5. Yamaguchi K, Ishigaki K, Suzuki A, Tsuchida Y, Tsuchiya H, Sumitomo S, Nagafuchi Y, Miya F, Tsunoda T, Shoda H, Fujio K, Yamamoto K, Kochi Y.
  "Splicing QTL analysis focusing on coding sequences reveals mechanisms for disease susceptibility loci."
  Nature Communications. 13(1):4659 (2022)
• 6. Ishigaki K, Akiyama M, Kanai M, Takahashi A, Kawakami E, Sugishita H, Sakaue S, Matoba N, Low SK, Okada Y, Terao C, Amariuta T, Gazal S, Kochi Y, Horikoshi M, Suzuki K, Ito K, Koyama S, Ozaki K, Niida S, Sakata Y, Sakata Y, Kohno T, Shiraishi K, Momozawa Y, Hirata M, Matsuda K, Ikeda M, Iwata N, Ikegawa S, Kou I, Tanaka T, Nakagawa H, Suzuki A, Hirota T, Tamari M, Chayama K, Miki D, Mori M, Nagayama S, Daigo Y, Miki Y, Katagiri T, Ogawa O, Obara W, Ito H, Yoshida T, Imoto I, Takahashi T, Tanikawa C, Suzuki T, Sinozaki N, Minami S, Yamaguchi H, Asai S, Takahashi Y, Yamaji K, Takahashi K, Fujioka T, Takata R, Yanai H, Masumoto A, Koretsune Y, Kutsumi H, Higashiyama M, Murayama S, Minegishi N, Suzuki K, Tanno K, Shimizu A, Yamaji T, Iwasaki M, Sawada N, Uemura H, Tanaka K, Naito M, Sasaki M, Wakai K, Tsugane S, Yamamoto M, Yamamoto K, Murakami Y, Nakamura Y, Raychaudhuri S, Inazawa J, Yamauchi T, Kadowaki T, Kubo M, Kamatani Y.
  "Large-scale genome-wide association study in a Japanese population identifies novel susceptibility loci across different diseases."
  Nature Genetics. 52(7): 669-679 (2020)
• 7. *Amariuta T, Ishigaki K (co-first author), Sugishita H, Ohta T, Koido M, Dey KK, Matsuda K, Murakami Y, Price AL, Kawakami E, Terao C, Raychaudhuri S.
  "Improving the trans-ancestry portability of polygenic risk scores by prioritizing variants in predicted cell-type-specific regulatory elements."
  Nature Genetics. 52(12): 1346-1354 (2020)
• 8. Akiyama M, Ishigaki K, Sakaue S, Momozawa Y, Horikoshi M, Hirata M, Matsuda K, Ikegawa S, Takahashi A, Kanai M, Suzuki S, Matsui D, Naito M, Yamaji T, Iwasaki M, Sawada N, Tanno K, Sasaki M, Hozawa A, Minegishi N, Wakai K, Tsugane S, Shimizu A, Yamamoto M, Okada Y, Murakami Y, Kubo M, Kamatani Y.
  "Characterizing rare and low-frequency height-associated variants in the Japanese population."
  Nature Communications. 27;10(1): 4393 (2019)
• 9. Ishigaki K, Kochi Y, Suzuki A, Tsuchida Y, Tsuchiya H, Sumitomo S, Yamaguchi K, Nagafuchi Y, Nakachi S, Kato R, Sakurai K, Shoda H, Ikari K, Taniguchi A, Yamanaka H, Miya F, Tsunoda T, Okada Y, Momozawa Y, Kamatani Y, Yamada R, Kubo M, Fujio K, Yamamoto K.
  "Polygenic burdens on cell-specific pathways underlie the risk of rheumatoid arthritis."
  Nature Genetics. 49(7):1120-1125 (2017)
• 10. *Ishigaki K, Shoda H, Kochi Y, Yasui T, Kadono Y, Tanaka S, Fujio K, Yamamoto K.
  "Quantitative and qualitative characterization of expanded CD4+ T cell clones in rheumatoid arthritis patients."
  Scientific Reports. 6;5:12937 (2015)

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