1.Akashi N, Matsumoto I, Tanaka Y, Inoue A, Yamamoto K, Tanaka Y, Umeda N, Hayashi T, Goto D, Ito S, Sekiguchi K, Sumida T.:
Comparative suppressive effect in models of autoimmune arthritis by tyrosine kinase inhibitors imatinib and nilotinib.
Mod. Rheumatol 21:267-275,2011

2.Tanaka Y, Matsumoto I, Iwanami K, Inoue A, Minami R, Umeda N, Kanamori A, Ochiai N, Miyazawa K, Sugihara M, Hayashi T, Goto D, Ito S, Sumida T.:
Six-transmembrane epithelial antigen of prostate4(STEAP4) is TNFalpha-induced protein that regulates IL-6, Il-8, and cell proliferation in synovium from patients with rheumatoid arthritis
Mod. Rheumatol.22:128-136,2012

3.Tanaka Y, Matsumoto I, Iwanami K, Inoue A, Umeda N, Tanaka Y, Sugihara M, Hayashi T, Ito S, Sumida T.
Six-transmembrane epithelial antigen of prostate4 (STEAP4) is expressed on monocytes/neutrophils, and is regulated by TNF antagonist in patients with rheumatoid arthritis.
Clin. Exp. Rheumatol.30(1):99-102,2012

4.Yamaguchi T, Ito S, Takano Y, Umeda N, Goto M, Horikoshi M, Hayashi T, Goto D, Matsumoto I, Sumida T.:
A case of a disseminated sporotrichosis patient treated with prednisolone, immunosuppressants, and tocilizumab under the diagnosis of rheumatoid arthritis.
Intern. Med.51(15):2035-9,2012

5.Inoue A, Matsumoto I, Tanaka Y, Umeda N, Tanaka Y, Mihara M, Takahashi S, Sumida T. :
TIARP (TNFAIP9) deficiency leads to arthritis via IL-6 overproduction with enhanced NF-kB, STAT3 signaling and dysregulated apoptosis of macrophages.
Arthritis Rheum 64(12):3877-85,2012

6.Suzuki T, Horikoshi M, Sugihara M, Hirota T, Ogishima H, Umeda N, Kondo Y, Tsuboi H, Hayashi T, Chino Y, Matsumoto I, Sumida T.:
Therapeutic efficacy of tocilizumab in patients with rheumatoid arthritis refractory to anti-tumor necrosis factor inhibitors: One year follow-up by low-field extremity MRI.
Mod. Rheumatol 23(4):782-7,2013

7.Umeda N, Matsumoto I, Ito I, Kawasaki A, Tanaka Y, Inoue A, Tanaka Y, Tsuboi H, Suzuki T, Hayashi T, Ito S, Tsuchiya N, Sumida T.:
Anti-citrullinated glucose-6-phosphate isomerase peptide antibodies in patients with rheumatoid arthritis are associated with HLA-DRB1 shared epitope alleles and disease activity.
Clin. Exp. Immunol. 172(1):44-53,2013

8.Ogishima H, Tsuboi H, Umeda N, Horikoshi M, Kondo Y, Sugihara M, Suzuki T, Matsumoto I, Sumida T:
Analysis of subclinical synovitis detected by ultrasonography and low-field magnetic resonance imaging in patients with rheumatoid arthritis.
Mod Rheumatol 24(1)60-68,2014

9.Hagiya C, Tsuboi H, Yokosawa M, Hagiwara S, Takai C, Hirota T, Asashima H, Miki H, Umeda N, Horikoshi M, Kondo Y, Sugihara M, Ogishima H, Suzuki T, Hiraoka T, Kaji Y, Matsumoto I, Ohshika T, Sumida T.:
Clinicopathological features of IgG4-related disease complicated with orbital involvement.
Mod Rheumatol 24(3):471-6,2014

10.Hagiwara S, Tsuboi H, Hagiya C, Yokosawa M, Hirota T, Ebe H, Takahashi H, Ogishima H, Asashima H, Kondo Y, Umeda N, Suzuki T, Hitomi S, Matsumoto I, Sumida T.:
Pulmonary nocardiosis in patients with connective tissue disease: A report of two cases.
Intractable Rare Dis Res 3(1):25-28,2014

11.Segawa S, Goto D, Horikoshi M, Kondo Y, Umeda N, Hagiwara S, Yokosawa M, Hirota T, Miki H, Tsuboi H, Ogishima H, Suzuki T, Matsumoto I, Sumida T.：
Involvement of CD161+Vδ1+γδT cells in systemic sclerosis: Association with interstitial pneumonia.
Rheumatology(Oxford) 53(12):2259-69,2014

12.Matsumoto I, Inoue A, Takai C, Umeda N, Tanaka Y, Kurashima Y, Sumida T.:
Regulatory roles of tumor necrosis factor alpha-induced proteins (TNFAIP) 3 and 9 in arthritis.(Review)
Clin Immunol 153(1):73-8,2014

13.Ebe H, Tsuboi H, Hagiya C, Takahashi H, Yokosawa M, Hagiwara S, Hirota T, Kurashima Y, Takai C, Miki H, Asashima H, Umeda N, Kondo Y, Ogishima H, Suzuki T, Chino Y, Matsumoto I, Sumida T.:
Clinical features of patients with IgG4-related disease complicated with perivascular lesions.
Mod Rheumatol 25(1):105-9,2015

14.Tanaka Y, Matsumoto I, Inoue A, Umeda N, Takai C, Sumida T.:
Antigen-specific overexpression of human cartilage glycoprotein 39 on CD4+CD25+Foxp3+ Treg cells in the generation of glucose-6-phosphate isomerase induced arthritis.
Clin Exp Immunol 177(2):419-27,2014

15.Suzuki T, Hirota T, Ogishima H, Umeda N, Kondo Y, Yokosawa M, Miki H, Hagiwara S, Tsuboi H, Matsumoto I, Sumida T.:
Subclinical inflammation with tocilizumab treatment of rheumatoid arthritis: MRI evaluation for two years.
Int J Rheum Dis 18(1):108-10,2015

16.Tsuboi H, Matsumoto I, Hagiwara S, Hirota T, Takahashi H, Ebe H, Yokosawa M, Hagiya C, Asashima H, Takai C, Miki H, Umeda N, Kondo Y, Ogishima H, Suzuki T, Hirata S, Saito K, Tanaka Y, Horai Y, Nakamura H, Kawakami A, Sumida T.:
Efficacy and safety of abatacept for patients with Sjogren's syndrome associated with rheumatoid arthritis. ROSE (Rheumatoid Arthritis with Orencia Trial toward Sjogren's syndrome Endocrinopathy) trial. An open label, one-year, prospective study. Interim analysis of 32 patients for 24 weeks.
Mod Rheumatol 25(2):187-93,2015

17.Takahashi H, Tsuboi H, Kurata I, Takahashi H, Inoue S, Ebe H, Yokosawa M, Hagiwara S, Hirota T, Asashima H, Kaneko S, Kawaguchi H, Kurashima Y, Miki H, Umeda N, Kondo Y, Ogishima H, Suzuki T, Matsumoto I, Sumida T.:
Predictors of the response to treatment in acute lupus 1 hemophagocytic syndrome.
Lupus 24(7):659-68,2015

18.Kurata I, Tsuboi H, Takahashi H, Inoue S, Ebe H, Hagiwara S, Umeda N, Kondo Y, Ogishima H, Suzuki T, Matsumoto I, Hoshi S, Oshika T, Sumida T.:
Successful treatment with infliximab for refractory uveitis in a patient with Behcet's disease on hemodialysis and a review of literature for infliximab use on hemodialysis.
Intern Med 54(12):1553-7,2015

19.Takahashi H, Tsuboi H, Ogishima H, Yokosawa M, Takahashi H, Yagishita M, Abe S, Hagiwara S, Asashima H, Umeda N, Kondo Y, Suzuki T, Matsumoto I, Sumida T.:
[18F]fluorodeoxyglucose positron emission tomography/computed tomography can reveal subclinical prostatitis in a patient with IgG4-related disease.
Rheumatology (Oxford) 54(6):1113,2015

20.Kurata I, Tsuboi H, Takahashi H, Yagishita M, Abe S, Ebe H, Takahashi H, Asashima H, Hirota T, Hagiwara S, Umeda N, Kondo Y, Ogishima H, Suzuki T, Matsumoto I, Sumida T.:
A case of relapsing neurosarcoidosis with brain nodules and hydrocephalus successfully treated by corticosteroid and methotrexate.
Rheumatology (Oxford) 54(7):1160,2015

21.Takai C, Matsumoto I, Inoue A, Umeda N, Tanaka Y, Kurashima Y, Wada Y, Narita I, Sumida T.:
Specific overexpression of TNFAIP9 in CD14+CD16- monocytes in patients
with rheumatoid arthritis- Comparative analysis with TNFAIP3.
Clin Exp Immunol 180(3):458-66,2015

22.Hirota T, Suzuki T, Ogishima H, Hagiwara S, Ebe H, Takahashi H, Yokosawa M, Umeda N, Kondo Y, Tsuboi H, Matsumoto I, Sumida T.:
Evaluation of changes in magnetic resonance images following 24 and 52 weeks treatment of rheumatoid arthritis with infliximab, tocilizumab or abatacept.
Mod Rheumatol 26(1):29-35,2016

23.Murayama MA, Kakuta S, Inoue A, Umeda N, Yonezawa T, Maruhashi T, Tateishi K, Ishigame H, Yabe R, Ikeda S, Seno A, Chi HH, Hashiguchi Y, Kurata R, Tada T, Kubo S, Sato N, Liu Y, Hattori M, Saijo S, Matsushita M, Fujita T, Sumida T, Iwakura Y.:
CTRP6 is an endogenous complement regulator that can effectively treat induced arthritis.
Nat Commun 25;6:8483,2015

24.Takahashi H, Tsuboi H, Abe S, Yokosawa M, Hagiwara S, Asashima H, Hirota T, Umeda N, Kondo Y, Matsumoto I, Sumida T.:
Magnetic resonance imaging can reveal fascial vasculitis in a patient with microscopic polyangiitis.
Scand J Rheumatol 44(6):511-3,2015

25.Umeda N, Matsumoto I, Kawaguchi H, Kurashima Y, Kondo Y, Tsuboi H, Ogishima H, Suzuki T, Kagami Y, Sakyu T, Ishigami A, Maruyama N, Sumida T.:
Prevalence of soluble peptidylarginine deiminase 4 (PAD4) and anti-PAD4 antibodies in autoimmune diseases.
Clin Rheumatol 35(5):1181-8,2016

26.Miki H, Tsuboi H, Kaneko S, Takahashi H, Yokosawa M, Asashima H, Hirota T, Hagiwara S, Umeda N, Kondo Y, Nishimura B, Sugano M, Matsumoto I, Sumida T.:
A case of refractory Kimura disease with a buccal bulky mass successfully treated with
low-dose cyclosporine A: report and review of the literature.
Allergol Int 65(2):212-4,2016

27.Hagiwara S, Tsuboi H, Honda F, Takahashi H, Kurata I, Ohyama A, Yagishita M, Abe S, Kurashima Y, Kaneko S, Kawaguchi H, Takahashi H, Ebe H, Yokosawa M, Asashima H, Hirota T, Umeda N, Kondo Y, Matsumoto I, Sumida T.:
Association of anti-Ro/SSA antibody with response to biologics in patients with
rheumatoid arthritis.
Mod Rheumatol 26(6):891-899,2016

28.Tsuboi H, Matsumoto I, Hagiwara S, Hirota T, Takahashi H, Ebe H, Yokosawa M, Yagishita M, Takahashi H, Kurata I, Ohyama A, Honda F, Asashima H, Miki H, Umeda N, Kondo Y, Hirata S, Saito K, Tanaka Y, Horai Y, Nakamura H, Kawakami A, Sumida T.:
Effectiveness of abatacept for patients with Sjoren's syndrome associated with rheumatoid arthritis. An open label, multicenter, one-year, prospective study: ROSE (Rheumatoid Arthritis with Orencia Trial toward Sjoren's syndrome Endocrinopathy) trial.
Mod Rheumatol(in press)

29.Inoue A, Matsumoto I, Tanaka Y, Umeda N, Takai C, Kawaguchi H, Ebe H, Yoshida H, Matsumoto Y, Segawa S, Takahashi S, Sumida T.:
TIARP attenuates autoantibody-mediated arthritis via the suppression of neutrophil migration by reducing CXCL2/CXCR2 and IL-6 expression.
Sci Rep 6:38684, 2016

30.Umeda N, Matsumoto I, Tanaka Y, Kawaguchi H, Ebe H, Kagami Y, Ishigami A, Sumida T.:
Anti-cyclic citrullinated glucose-6-phosphate isomerase peptide -7 (CCG-7) antibodies were suppressed by biologics treatment and deposited to citrullinated proteins in CD68-positive cells in the RA synovium.
Mod Rheumatol 27(5):914-916,2017

31.Takahashi H, Tsuboi H, Umeda N, Toko H, Honda F, Ohyama A, Abe S, Yokosawa M, Asashima H, Hagiwara S, Kondo Y, Matsumoto I, Hirose Y, Hara A, Sumida T.:
A case of otitis media with ANCA-associated vasculitis accompanied with pituitary mass successfully treated by corticosteroids.
Modern Rheumatol Case Reports 2(2)185-190,2018

32.Toko H, Tsuboi H, Umeda N, Honda F, Ohyama A, Takahashi H, Abe S, Yokosawa M, Asashima H, Hagiwara S, Hirota T, Kondo Y, Matsumoto I, Sumida T.:
A case of intractable hemophagocytic syndrome associated with systemic lupus erythematosus resistant to corticosteroids and intravenous cyclophosphamide that was successfully treated by cyclosporine A.
Intern Med 57(18):2747-2752,2018

33.Kawaguchi H, Matsumoto I, Osasda A, Kurata I, Ebe H, Tanaka Y, Inoue A, Umeda N, Kondo Y, Tsuboi H, Shinkai Y, Kumagai Y, Ishigami A, Sumida T.:
Identification of novel biomarker as citrullinated inter-alpha-trypsin inhibitor heavy chain 4, specifically increased in sera with experimental and rheumatoid arthritis.
Arthritis Res Ther 20(1):66,2018

34.Kawaguchi H, Matsumoto I, Osada A, Kurata I, Ebe H, Tanaka Y, Inoue A, Umeda N, Kondo Y, Tsuboi H, Ishigami A, Sumida T.:
Peptidyl arginine deiminase inhibition suppresses arthritis via decreased protein citrullination in joints and serum with the downregulation of interlukin-6.
Mod Rheumatol (in press)