PPARβ 2/δactivation of CD300a controls intestinal immunity

Toshiya Tanaka; Satoko Tahara-Hanaoka; Tsukasa Nabekura; Kaori Ikeda; Shuying Jiang; Shuichi Tsutsumi; Takeshi Inagaki; Kenta Magoori; Takuma Higurashi; Hirokazu Takahashi; Keisuke Tachibana; Yuya Tsurutani; Sana Raza; Motonobu Anai; Takashi Minami; Youichiro Wada; Koutaro Yokote; Takefumi Doi; Takao Hamakubo; Johan Auwerx; Frank J. Gonzalez; Atsushi Nakajima; Hiroyuki Aburatani; Makoto Naito; Akira Shibuya; Tatsuhiko Kodama; Juro Sakai

doi:10.1038/srep05412

PPARβ 2/δactivation of CD300a controls intestinal immunity

Toshiya Tanaka, Satoko Tahara-Hanaoka, Tsukasa Nabekura, Kaori Ikeda, Shuying Jiang, Shuichi Tsutsumi, Takeshi Inagaki, Kenta Magoori, Takuma Higurashi, Hirokazu Takahashi, Keisuke Tachibana, Yuya Tsurutani, Sana Raza, Motonobu Anai, Takashi Minami, Youichiro Wada, Koutaro Yokote, Takefumi Doi, Takao Hamakubo, Johan AuwerxFrank J. Gonzalez, Atsushi Nakajima, Hiroyuki Aburatani, Makoto Naito, Akira Shibuya, Tatsuhiko Kodama, Juro Sakai

MED - Medical Sciences

Research output: Contribution to journal › Article

15 Citations (Scopus)

Abstract

Macrophages are important for maintaining intestinal immune homeostasis. Here, we show that PPARβ 2/δ(peroxisome proliferator-activated receptor β2/δ) directly regulates CD300a in macrophages that express the immunoreceptor tyrosine based-inhibitory motif (ITIM)-containing receptor. In mice lacking CD300a, high-fat diet (HFD) causes chronic intestinal inflammation with low numbers of intestinal lymph capillaries and dramatically expanded mesenteric lymph nodes. As a result, these mice exhibit triglyceride malabsorption and reduced body weight gain on HFD. Peritoneal macrophages from Cd300a-/-mice on HFD are classically M1 activated. Activation of toll-like receptor 4 (TLR4)/MyD88 signaling by lipopolysaccharide (LPS) results in prolonged IL-6 secretion in Cd300a-/-macrophages. Bone marrow transplantation confirmed that the phenotype originates from CD300a deficiency in leucocytes. These results identify CD300a-mediated inhibitory signaling in macrophages as a critical regulator of intestinal immune homeostasis.

Original language	English
Article number	5412
Journal	Scientific reports
Volume	4
DOIs	https://doi.org/10.1038/srep05412
Publication status	Published - 2014 Jun 24

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Tanaka, T., Tahara-Hanaoka, S., Nabekura, T., Ikeda, K., Jiang, S., Tsutsumi, S., Inagaki, T., Magoori, K., Higurashi, T., Takahashi, H., Tachibana, K., Tsurutani, Y., Raza, S., Anai, M., Minami, T., Wada, Y., Yokote, K., Doi, T., Hamakubo, T., ... Sakai, J. (2014). PPARβ 2/δactivation of CD300a controls intestinal immunity. Scientific reports, 4, [5412]. https://doi.org/10.1038/srep05412

PPARβ 2/δactivation of CD300a controls intestinal immunity. / Tanaka, Toshiya; Tahara-Hanaoka, Satoko; Nabekura, Tsukasa; Ikeda, Kaori; Jiang, Shuying; Tsutsumi, Shuichi; Inagaki, Takeshi; Magoori, Kenta; Higurashi, Takuma; Takahashi, Hirokazu; Tachibana, Keisuke; Tsurutani, Yuya; Raza, Sana; Anai, Motonobu; Minami, Takashi; Wada, Youichiro; Yokote, Koutaro; Doi, Takefumi; Hamakubo, Takao; Auwerx, Johan; Gonzalez, Frank J.; Nakajima, Atsushi; Aburatani, Hiroyuki; Naito, Makoto; Shibuya, Akira; Kodama, Tatsuhiko; Sakai, Juro.

In: Scientific reports, Vol. 4, 5412, 24.06.2014.

Research output: Contribution to journal › Article

Tanaka, T, Tahara-Hanaoka, S, Nabekura, T, Ikeda, K, Jiang, S, Tsutsumi, S, Inagaki, T, Magoori, K, Higurashi, T, Takahashi, H, Tachibana, K, Tsurutani, Y, Raza, S, Anai, M, Minami, T, Wada, Y, Yokote, K, Doi, T, Hamakubo, T, Auwerx, J, Gonzalez, FJ, Nakajima, A, Aburatani, H, Naito, M, Shibuya, A, Kodama, T & Sakai, J 2014, 'PPARβ 2/δactivation of CD300a controls intestinal immunity', Scientific reports, vol. 4, 5412. https://doi.org/10.1038/srep05412

Tanaka, Toshiya ; Tahara-Hanaoka, Satoko ; Nabekura, Tsukasa ; Ikeda, Kaori ; Jiang, Shuying ; Tsutsumi, Shuichi ; Inagaki, Takeshi ; Magoori, Kenta ; Higurashi, Takuma ; Takahashi, Hirokazu ; Tachibana, Keisuke ; Tsurutani, Yuya ; Raza, Sana ; Anai, Motonobu ; Minami, Takashi ; Wada, Youichiro ; Yokote, Koutaro ; Doi, Takefumi ; Hamakubo, Takao ; Auwerx, Johan ; Gonzalez, Frank J. ; Nakajima, Atsushi ; Aburatani, Hiroyuki ; Naito, Makoto ; Shibuya, Akira ; Kodama, Tatsuhiko ; Sakai, Juro. / PPARβ 2/δactivation of CD300a controls intestinal immunity. In: Scientific reports. 2014 ; Vol. 4.

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