【researchmap】
https://researchmap.jp/sagarheum

＜著書＞
Koarada S. ed. Lupus Erythematosus: A systematic approach (Frontiers in Arthritis Vol. 4). Bentham Science Publishers. Sharjah, UAE, 2022
Koarada S, ed. A Comprehensive Rheumatological and Immunological Approach to Diagnosis of Psoriatic Arthritis. pp. 1-448. Cambridge Scholars Publishing, Newcastle upon Tyne, UK, 2020
Koarada S, ed. IgG4 Related Disease: Illustrated Pathology of Novel Systemic Disease. pp1-287. NOVA Science publisher, New York, USA, 2020.
Koarada S, Tada Y. Autoantibody-producing CD180(RP105) negative plasmablasts in systemic lupus erythematosus and other immune-related diseases. Advances in Medicine and Biology. 150, pp189-196, NOVA Science publisher 2019
Koarada S, ed. Frontiers in Arthritis, Rheumatoid Arthritis: A systematic Approach. pp1-262. Bentham Science Publishers. Sharjah, UAE, 2018
Koarada S, Tada Y： Arthritis and Musculoskeletal Diseases in Systemic Lupus Erythematosus. Rhupus Syndrome, Jaccoud’s Arthropathy and Osteonecrosis. Nova Science Publishers, New York, USA, 2017 pp. 48-110.
Koarada S, Tokuda Y, Ono Y, Sadanaga Y, Tashiro S, Suematsu R, Ono O, Ohta A, Tada Y.： Corticosteroids and Steroid Therapy: New Research, Nova Science Publishers, New York, USA, 2015, pp.79-108.
Koarada S, Sadanaga Y, Nagao N, Tashiro S, Suematsu R, Ohta A, Tada Y Systemic Lupus Erythematosus (SLE). Nova Science Publishers, New York, USA, 2013, pp.1-47, pp.159-166.
Koarada S, Tada Y：Fundamental Rheumatological Knowledge of Arthritis Images of the Hand and Case Studies for General Physicians．Nova Science Publishers, New York, USA, 2013, pp.1-215.
Koarada S：Autoantibody-producing B cells and B cell therapy in systemic lupus erythematosus – possible new targets of novel subsets of RP105-negative B cells. Lupus: Symptoms, Treatment and Potential Complications (eds. Marquez TV and Neto DU), Nova Science Publishers, New York, USA, 2012, pp.55-83.
＜論文＞
Koarada S, Tada Y, Ushiyama O, Morito F, Suzuki N, Ohta A, Miyake K, Kimoto M, Nagasawa K：B cells lacking RP105, a novel B cell antigen, in systemic lupus erythematosus. Arthritis Rheum. 42：2593－2600, 1999.
Ushiyama O, Ushiyama K, Koarada S, Tada Y, Suzuki N, Ohta A, Oono S, Nagasawa K：Retinal disease in patients with systemic lupus erythematosus. Ann Rheum Dis. 59：705－708, 2000.
Koarada S, Tada Y, Kikuchi Y, Ushiyama O, Suzuki N, Ohta A, Nagasawa K：CD180 (RP105) in rheumatic diseases. Rheumatology (Oxford). 40：1315－1316, 2001.
Koarada S, Wu Y, Ridgway WM：Increased entry into the IFN-gamma effector pathway by CD4+ T cells selected by I-Ag7 on a nonobese diabetic versus C57BL/6 genetic background. J. Immunol. 167：1693－1702, 2001.
Kikuchi Y, Koarada S, Tada Y, Ushiyama O, Morito F, Suzuki N, Ohta A, Horiuchi T, Miyake K, Nagasawa K：Difference in B cell activation between dermatomyositis and polymyositis: analysis of the expression of RP105 on peripheral blood B cells. Ann Rheum Dis. 60：1137－1140, 2001.
Koarada S, Wu Y, Olshansky G, Ridgway WM：Increased nonobese diabetic Th1:Th2 (IFN-gamma:IL-4) ratio is CD4+ T cell intrinsic and independent of APC genetic background. J Immunol. 169：6580－6587, 2002.
Kikuchi Y, Koarada S, Tada Y, Ushiyama O, Morito F, Suzuki N, Ohta A, Miyake K, Kimoto M, Horiuchi T, Nagasawa K：RP105-lacking B cells from lupus patients are responsible for the production of immunoglobulins and autoantibodies. Arthritis Rheum. 45：3259-3265, 2002.
Ushiyama O, Ushiyama K, Yamada T, Koarada S, Tada Y, Suzuki N, Ohta A, Nagasawa K：Retinal findings in systemic sclerosis: a comparison with nailfold capillaroscopic patterns. Ann Rheum Dis. 62:204-207, 2003.
Tada Y, Koarada S, Morito F, Ushiyama O, Haruta Y, Kanegae F, Ohta A, Ho A, Mak TW, Nagasawa K：Acceleration of the onset of collagen-induced arthritis by a deficiency of platelet endothelial cell adhesion molecule 1. Arthritis Rheum. 48 : 3280－3290, 2003.
Koarada S, Wu Y, Fertig N, Sass DA, Nalesnik M, Todd JA, Lyons PA, Fenyk-Melody J, Rainbow DB, Wicker LS, Peterson LB, Ridgway WM：Genetic control of autoimmunity: protection from diabetes, but spontaneous autoimmune biliary disease in a nonobese diabetic congenic strain. J Immunol. 173：2315－2323, 2004.
Koarada S, Haruta Y, Tada Y, Ushiyama O, Morito F, Ohta A, Nagasawa K：Increased entry of CD4+ T cells into the Th1 cytokine effector pathway during T-cell division following stimulation in Behcet's disease．Rheumatology (Oxford). 43：843－851，2004.
Koarada S, Haruta Y, Mitamura M, Tada Y, Morito F, Ohta A, Nagasawa K：Ex Vivo CD4+ T Cell Cytokine Expression from Patients with Sjögren's Syndrome Following In Vitro Stimulation to Induce Proliferation．Rheumatology (Oxford). 45：　392－399，2006．
Tada Y, Koarada S, Morito F, Mitamura M, Inoue H, Suematsu R, Ohta A, Miyake K, Nagasawa K：Toll-like receptor homolog RP105 modulates the antigen-presenting cell function and regulates the development of collagen-induced arthritis．Arthritis Res Ther. 10：R121，2008．
Koarada　S,　Tada　Y, Sohma　Y, Haruta　Y, Suematsu R, Mitamura M, Inoue H, Ehara H, Tokoro Y, Ohta A, Nagasawa K：Autoantibody-producing RP105-negative B Cells, from Patients with Systemic Lupus Erythematosus Showed More Preferential Expression of BCMA Compared with BAFF-R Than Normal Subjects. Rheumatology (Oxford). 49：662－670，2010．
Tada Y, Kondo S, Aoki S, Koarada S, Inoue H, Suematsu R, Ohta A, Mak TW, Nagasawa K：Interferon regulatory factor 5 is critical for the development of lupus in MRL/lpr mice．Arthritis Rheum. 63: 738-48，2011．
Koarada S, Tashiro S, Tokuda Y. et al：Subsets of RP105-negative plasmablasts in IgG 4-related disease. Ann Rheum Dis. 73：e65, 2014.
Koarada S, Tashiro S, Tokuda Y. Ono Y. Sadanaga Y. Suematsu R. Ono N. Ohta A. and Tada Y.: Persistent expression of CXCR5 on plasmablasts in IgG4-related disease. Ann Rheum Dis 74: e32，2015.
Ono N, Kai K, Maruyama A, Sakai M, Sadanaga Y, Koarada S, Inoue T, Tada Y. The relationship between type 1 IFN and vasculopathy in anti-MDA5 antibody-positive dermatomyositis patients. Rheumatology (Oxford) 58:786-791, 2019.
Tada Y, Sakai M, Nakao Y, Maruyama A, Ono N, Koarada S. Placental transfer of tocilizumab in a patient with rheumatoid arthritis. Rheumatology (Oxford) 58:1694-1695, 2019.
Ureshino H, Koarada S, Kamachi K, Yoshimura M, Yokoo M, Kubota Y, Ando T, Ichinohe T, Morio T, Kimura S. Immune dysregulation syndrome with de novo CTLA4 germline mutation responsive to abatacept therapy. Int J Hematol 111: 897-902, 2020.
Maruyama A, Kokuzawa A, Yamauchi Y, Kirino Y, Nagai H, Inoue Y, Ota T, Chifu Y, Inokuchi S, Koarada S, Ohta A, Iwamoto M, Tada Y. Clinical features of elderly-onset Adult-onset Still's disease. Mod Rheumatol. 2020:1-20, 2020
Tada Y, Ono N, Koarada S. Immediate Effect of Baricitinib on Arthritis and Biological Disease-Modifying Antirheumatic Drug-Induced Psoriasis-Like Skin Lesions in Two Patients with Rheumatoid Arthritis.Case Rep Rheumatol. 2021 Feb 5;2021:8876847. doi: 10.1155/2021/8876847. eCollection 2021.

著書　　　 48編
論文等 　　　164編（原著論文113編）
学会発表等　 374件
科学研究費等研究助成金　　31件