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Biochem Biophys Rep. 2017 Jan 26;9:322-329. doi: 10.1016/j.bbrep.2017.01.009. eCollection 2017 Mar.

Macrophage ubiquitin-specific protease 2 modifies insulin sensitivity in obese mice.

Biochemistry and biophysics reports

Natsuko Saito, Shunsuke Kimura, Tomomi Miyamoto, Sanae Fukushima, Misato Amagasa, Yoshinori Shimamoto, Chieko Nishioka, Shiki Okamoto, Chitoku Toda, Kohei Washio, Atsushi Asano, Ichiro Miyoshi, Eiki Takahashi, Hiroshi Kitamura

Affiliations

  1. Laboratory of Veterinary Physiology, Department of Veterinary Medicine, and Laboratory of Animal Therapeutics, Japan.
  2. Laboratory of Histology and Cytology, Department of Functional Morphology, Graduate School of Medical Sciences, Hokkaido University, Kita15, Nishi7, Kita-ku, Sapporo, Hokkaido 060-8638, Japan.
  3. Department of Comparative and Experimental Medicine, Graduate School of Medicine, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8601, Japan.
  4. Research Resources Center, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
  5. Department of Veterinary Science, Rakuno Gakuen University, 582 Midorimachi, Bunkyodai, Ebetsu, Hokkaido 069-8501, Japan.
  6. Division of Endocrinology and Metabolism, National Institute for Physiological Sciences, 38 Nishigonaka Myodaiji, Okazaki, Aichi 444-8585, Japan.
  7. Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06520-8063, USA.
  8. Laboratory of Laboratory Animal, Department of Basic Veterinary Science, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan.

PMID: 28956020 PMCID: PMC5614627 DOI: 10.1016/j.bbrep.2017.01.009

Abstract

We previously reported that ubiquitin-specific protease (USP) 2 in macrophages down-regulates genes associated with metabolic diseases, suggesting a putative anti-diabetic role for USP2 in macrophages. In this study, we evaluate this role at both cellular and individual levels. Isolated macrophages forcibly expressing

Keywords: DMEM, Dulbecco's modified Eagle medium; Diabetes; ELISA, enzyme-linked immunosorbent assay; GAPDH, glyceraldehyde 3-phosphate dehydrogenase; HFD, high-fat diet; HOMA-IR, homeostatic model assessment as an index of insulin resistance; IL, interleukin; IR, insulin receptor; IRS, insulin receptor substrate; Insulin; KD, knock down; KO, knockout; Macrophage; NCD, normal chow diet; NEFA, nonesterified fatty acid; Obesity; PDK, phosphoinositide-dependent kinase; PI3K, phosphatidylinositol 3-phosphate kinase; SOCS, suppressor of cytokine signaling; T2DM, type 2 diabetes mellitus; Tg, transgenic; USP; USP, ubiquitin-specific protease; pAkt, phosphorylated Akt; pIRβ, phosphorylated insulin receptor β chain

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