SCI REP-UK 2019 10.1038/s41598-019-55514-y
Association between anemia and hyperuricemia: results from the Korean National Health and Nutrition Examination Survey
Eun1, Y; Han, KD; Kim, DH; Kim, IY; Park, EJ; Lee, S; Cha, HS; Koh, EM; Lee, J; Kim, H

SCI REP-UK 2019 10.1038/s41598-019-50574-6
Risk factors for immune-related adverse events associated with anti-PD-1 pembrolizumab
Eun1, Y; Kim, IY; Sun, JM; Lee, J; Cha, HS; Koh, EM; Kim, H; Lee, J

KOREAN JOURNAL OF INTERNAL MEDICINE 2019 10.3904/kjim.2017.159
Efficacy and safety of tocilizumab in Korean patients with active rheumatoid arthritis
Baek1, HJ; Lim, MJ; Park, W; Park, SH; Shim, SC; Yoo, DH; Kim, HA; Lee, SK; Lee, YJ; Park, YE; Cha, HS; Song, YW

J CLIN MED 2019 10.3390/jcm8060837
Women with Metabolic Syndrome and General Obesity Are at a Higher Risk for Significant Hyperuricemia Compared to Men
Kim1, IY; Han, KD; Kim, DH; Eun, Y; Cha, HS; Koh, EM; Lee, J; Kim, H

INT J RHEUM DIS 2019 10.1111/1756-185X.13521
Efficacy and safety of add-on tacrolimus versus leflunomide in rheumatoid arthritis patients with inadequate response to methotrexate
Shin1, K; Baek, HJ; Kang, YM; Cha, HS; Kang, SW; Park, SH; Jun, JB; Lee, YJ; Choi, IA; Song, YW

ARTHRITIS RES THER 2019 10.1186/s13075-019-1910-2
Long-term efficacy, safety and immunogenicity in patients with rheumatoid arthritis continuing on an etanercept biosimilar (LBEC0101) or switching from reference etanercept to LBEC0101: an open-label extension of a phase III multicentre, randomised, double-blind, parallel-group study
Park1, MC; Matsuno, H; Kim, J; Park, SH; Lee, SH; Park, YB; Lee, YJ; Lee, SI; Park, W; Sheen, DH; Choe, JY; Choi, CB; Hong, SJ; Suh, CH; Lee, SS; Cha, HS; Yoo, B; Hur, JW; Kim, GT; Yoo, WH; Baek, HJ; Shin, K; Shim, SC; Yang, HI; Kim, HA; Park, KS; Choi, IA; Lee, J; Tomomitsu, M; Shin, S; Lee, J; Song, YW

LUPUS 2019 10.1177/0961203319843343
Hydroxychloroquine treatment during pregnancy in lupus patients is associated with lower risk of preeclampsia
Seo1, MR; Chae, J; Kim, YM; Cha, HS; Choi, SJ; Oh, S; Roh, CR

J KOREAN MED SCI 2018 10.3346/jkms.2018.33.e346
Treat-to-Target Strategy for Asian Patients with Early Rheumatoid Arthritis: Result of a Multicenter Trial in Korea
Song1, JJ; Song, YW; Bae, SC; Cha, HS; Choe, JY; Choi, SJ; Kim, HA; Kim, J; Kim, SS; Lee, CK; Lee, J; Lee, SH; Lee, SS; Lee, SK; Lee, SW; Park, SH; Park, W; Shim, SC; Suh, CH; Yoo, B; Yoo, DH; Yoo, WH

KOREAN JOURNAL OF INTERNAL MEDICINE 2018 10.3904/kjim.2016.213
Rapid onset of efficacy predicts response to therapy with certolizumab plus methotrexate in patients with active rheumatoid arthritis
Kang1, YM; Park, YE; Park, W; Choe, JY; Cho, CS; Shim, SC; Bae, SC; Suh, CH; Cha, HS; Koh, EM; Song, YW; Yoo, B; Lee, SS; Park, MC; Lee, SH; Arendt, C; Koetse, W; Lee, SK

JOINT BONE SPINE 2018 10.1016/j.jbspin.2017.11.008
Spondyloarthritis features in zymosan-induced SKG mice
Jeong1, H; Bae, EK; Kim, H; Lim, DH; Chung, TY; Lee, J; Jeon, CH; Koh, EM; Cha, HS

INT J RHEUM DIS 2018 10.1111/1756-185X.13013
Prevalence of co-morbidities and evaluation of their monitoring in Korean patients with rheumatoid arthritis: comparison with the results of an international, cross-sectional study (COMORA)
Choi1, IA; Park, SH; Cha, HS; Park, W; Kim, HA; Yoo, DH; Baek, HJ; Lee, SG; Lee, YJ; Park, YB; Shim, SC; Hmamouchi, I; Song, YW

J KOREAN MED SCI 2018 10.3346/jkms.2018.33.e168
Disease Characteristics and Change in Arthritis Activity according to Treatment in Hepatitis B Surface Antigen-positive Rheumatoid Arthritis Patients: a Retrospective Chart Review Study
Eun1, Y; Kim, IY; Jeong, H; Kim, H; Lee, J; Choi, MS; Koh, E; Cha, HS

JOINT BONE SPINE 2018 10.1016/j.jbspin.2017.05.019
Potential metabolomic biomarkers for reliable diagnosis of Behcet's disease using gas chromatography/time-of-flight-mass spectrometry
Ahn1, JK; Kim, J; Hwang, J; Song, J; Kim, KH; Cha, HS

INT J RHEUM DIS 2018 10.1111/1756-185X.13270
Effect of tumor necrosis factor inhibitors on spinal radiographic progression in patients with ankylosing spondylitis
Jeong1, H; Eun, YH; Kim, IY; Park, EJ; Kim, H; Lee, J; Jeon, CH; Koh, EM; Cha, HS

KOREAN JOURNAL OF INTERNAL MEDICINE 2018 10.3904/kjim.2016.042
Drug survival of tumor necrosis factor a inhibitors in patients with ankylosing spondylitis in Korea
Jeong1, H; Eun, YH; Kim, IY; Kim, H; Ahn, JK; Lee, J; Koh, EM; Cha, HS

SEMIN ARTHRITIS RHEU 2018 10.1016/j.semarthrit.2017.08.007
Persistence of biologic disease-modifying antirheumatic drugs in patients with rheumatoid arthritis: An analysis of the South Korean National Health Insurance Database
Lee1, MY; Shin, JY; Park, SY; Kim, D; Cha, HS; Lee, EK

ANN LAB MED 2017 10.3343/alm.2017.37.6.540
Novel 4-bp Intronic Deletion (c.1560+3_1560+6del) in LEMD3 in a Korean Patient With Osteopoikilosis
Yoo1, IY; Song, JS; Ki, CS; Kim, JW; Cha, HS; Min, YK

INT J MOL SCI 2017 10.3390/ijms18112309
Urinary Metabolomic Profiling to Identify Potential Biomarkers for the Diagnosis of Behcet's Disease by Gas Chromatography/Time-of-Flight-Mass Spectrometry
Ahn1, JK; Kim, J; Hwang, J; Song, J; Kim, KH; Cha, HS

INT J RHEUM DIS 2017 10.1111/1756-185X.13194
Clinical characteristics and outcomes of 61 patients with chronic periaortitis including IgG4-related and non-IgG4-related cases
Kim1, IY; Eun, YH; Jeong, H; Park, TK; Kim, H; Lee, J; Jang, SY; Kim, JS; Koh, EM; Kim, DK; Cha, HS

JOINT BONE SPINE 2017 10.1016/j.jbspin.2016.05.018
Metabolite profiles of synovial fluid change with the radiographic severity of knee osteoarthritis
Kim1, S; Hwang, J; Kim, J; Ahn, JK; Cha, HS; Kim, KH

PLoS One 2017 10.1371/journal.pone.0186141
Comorbidities and health-related quality of life in Koreans with knee osteoarthritis: Data from the Korean National Health and Nutrition Examination Survey (KNHANES)
Jeong1, H; Baek, SY; Kim, SW; Eun, YH; Kim, IY; Lee, J; Jeon, CH; Koh, EM; Cha, HS

ARTHRITIS RES THER 2017 10.1186/s13075-017-1407-9
Estrogen attenuates the spondyloarthritis manifestations of the SKG arthritis model
Jeong1, H; Bae, EK; Kim, H; Eun, YH; Kim, IY; Kim, H; Lee, J; Jeon, CH; Koh, EM; Cha, HS

Rev Bras Reumatol 2017 10.1016/j.rbr.2016.10.001
Higher body mass index and anti-drug antibodies predict the discontinuation of anti-TNF agents in Korean patients with axial spondyloarthritis
Hwang1, J; Kim, HM; Jeong, H; Lee, J; Ahn, JK; Koh, EM; Kang, ES; Cha, HS

KOREAN JOURNAL OF INTERNAL MEDICINE 2017 10.3904/kjim.2015.364
Impact of early diagnosis on functional disability in rheumatoid arthritis
Kim1, D; Choi, CB; Lee, J; Cho, SK; Won, S; Bang, SY; Cha, HS; Choe, JY; Chung, WT; Hong, SJ; Jun, JB; Jung, YO; Kim, J; Kim, SK; Kim, TH; Kim, TJ; Koh, E; Lee, HS; Lee, J; Lee, J; Lee, SH; Lee, SS; Lee, SW; Shim, SC; Yoo, DH; Yoon, BY; Sung, YK; Bae, SC

Ann Lab Med. 2017 May;37(3):240-247. doi: 10.3343/alm.2017.37.3.240.
Performance of an Automated Fluorescence Antinuclear Antibody Image Analyzer
Yoo IY11, Oh JW1, Cha HS2, Koh EM2, Kang ES3.

PLoS One. 2017 Apr 19;12(4):e0176260. doi: 10.1371/journal.pone.0176260. eCollection 2017.
Comorbidities of rheumatoid arthritis: Results from the Korean National Health and Nutrition Examination Survey
Jeong H11, Baek SY2, Kim SW2, Eun YH1, Kim IY1, Kim H1, Lee J1, Koh EM1, Cha HS1.

J Korean Med Sci. 2017 Mar;32(3):522-527. doi: 10.3346/jkms.2017.32.3.522.
Frequency and Clinical Characteristics of Hydroxychloroquine Retinopathy in Korean Patients with Rheumatologic Diseases
Eo DR11, Lee MG1, Ham DI1, Kang SW1, Lee J2, Cha HS2, Koh E2, Kim SJ3.

Osteoporos Int. 2017 Jan;28(1):231-237. doi: 10.1007/s00198-016-3703-7. Epub 2016 Aug 10.
Bone-density testing interval and transition to osteoporosis in patients with rheumatoid arthritis
Hwang J11, Lee EK2, Ahn JK3, Cha HS4, Koh EM4, Lee J5.

Korean J Intern Med. 2017 Jan;32(1):158-164. doi: 10.3904/kjim.2015.229. Epub 2016 Mar 25.
Characteristics of hip involvement in patients with ankylosing spondylitis in Korea
Jeong H11, Eun YH1, Kim IY1, Kim H1, Lee J1, Koh EM1, Cha HS1.

Mod Rheumatol. 2017 Jan;27(1):35-41. doi: 10.1080/14397595.2016.1176310. Epub 2016 May 4.
What factors affect discordance between physicians and patients in the global assessment of disease activity in rheumatoid arthritis?
Cho SK11,2, Sung YK1,2, Choi CB1,2, Bang SY3, Cha HS4, Choe JY5, Chung WT6, Hong SJ7, Jun JB1, Kim J8, Kim TH1, Kim TJ9, Koh EM4, Lee HS3, Lee J10, Lee SH11, Lee SS9, Lee SW6, Park SH5, Yoo DH1, Yoon BY12, Bae SC1,2; KORONA investigators2.

J Korean Med Sci. 2016 Dec;31(12):1907-1913. doi: 10.3346/jkms.2016.31.12.1907.
Factors Contributing to Discordance between the 2011 ACR/EULAR Criteria and Physician Clinical Judgment for the Identification of Remission in Patients with Rheumatoid Arthritis
Sung YK11, Cho SK1, Kim D1, Yoon BY2, Choi CB1, Cha HS3, Choe JY4, Chung WT5, Hong SJ6, Jun JB1, Kang YM7, Kim J8, Kim TH1, Kim TJ9, Koh E3, Lee CK10, Lee J11, Lee SS9, Lee SW5, Lee HS12, Lee YA6, Park SH4, Yoo DH1, Yoo WH13, Bae SC14; KORONA Investigators.

Joint Bone Spine. 2016 Dec;83(6):707-713. doi: 10.1016/j.jbspin.2015.11.009. Epub 2016 Apr 25.
GC/TOF-MS-based metabolomic profiling in cultured fibroblast-like synoviocytes from rheumatoid arthritis
Ahn JK11, Kim S2, Hwang J3, Kim J2, Kim KH4, Cha HS5.

Clin Exp Rheumatol. 2016 Sep-Oct;34(6 Suppl 102):S64-S71. Epub 2016 Jul 26.
Efficacy of tocilizumab therapy in Korean patients with adult-onset Still's disease: a multicentre retrospective study of 22 cases
Song ST11, Kim JJ1, Lee S1, Kim HA2, Lee EY3, Shin KC3, Lee JH4, Lee KH5, Choi ST6, Cha HS7, Yoo DH8.

PLoS One. 2016 Oct 13;11(10):e0164591. doi: 10.1371/journal.pone.0164591. eCollection 2016.
Evaluation of Audiometric Test Results to Determine Hearing Impairment in Patients with Rheumatoid Arthritis: Analysis of Data from the Korean National Health and Nutrition Examination Survey
Jeong H11, Chang YS2, Baek SY3, Kim SW3, Eun YH1, Kim IY1, Lee J1, Koh EM1, Cha HS1.

Heart Vessels. 2016 Aug;31(8):1277-84. doi: 10.1007/s00380-015-0731-8. Epub 2015 Aug 13.
Comparison of clinical characteristics in patients with Takayasu arteritis with and without concomitant tuberculosis
Lim AY11, Lee GY1, Jang SY1, Gwag HB1, Choi SH1, Jeon ES1, Cha HS2, Sung K3, Kim YW4, Kim SM5, Choe YH5, Koh WJ6, Kim DK7.

Medicine (Baltimore). 2016 Jul;95(27):e4168. doi: 10.1097/MD.0000000000004168.
A case report of severely damaged hip joint caused by SAPHO syndrome treated with 2-stage total hip arthroplasty
Yeo I11, Cha HS, Yoon YC, Park YS, Lim SJ.

Rheumatol Int. 2016 Apr;36(4):505-13. doi: 10.1007/s00296-016-3427-1. Epub 2016 Feb 6.
Mapping health assessment questionnaire disability index (HAQ-DI) score, pain visual analog scale (VAS), and disease activity score in 28 joints (DAS28) onto the EuroQol-5D (EQ-5D) utility score with the KORean Observational study Network for Arthritis (KORONA) registry data
Kim HL11,2, Kim D3,4, Jang EJ5, Lee MY1, Song HJ1, Park SY1, Cho SK3,4, Sung YK3,4, Choi CB3,4, Won S4, Bang SY6, Cha HS7, Choe JY8, Chung WT9, Hong SJ10, Jun JB3, Kim J11, Kim SK8, Kim TH3, Kim TJ12, Koh E7, Lee H8, Lee HS6, Lee J13, Lee SS12, Lee SW9, Park SH8, Shim SC14, Yoo DH3, Yoon BY15, Bae SC16,17, Lee EK18.

Ann Hematol. 2016 Jan;95(2):325-35. doi: 10.1007/s00277-015-2523-8. Epub 2015 Oct 10.
Clinical significance of bone marrow hemophagocytosis in adult patients with malignancy and non-malignancy-induced hemophagocytic lymphohistiocytosis
Lim SH11, Park S1, Jang JH1, Kim K1, Kim HJ2, Kim SH2, Kang CI3, Chung DR3, Peck KR3, Lee J4, Cha HS4, Koh EM4, Ko YH5, Kim WS1, Jung CW1, Kim SJ6,7.

PLoS One. 2015 Dec 30;10(12):e0145539. doi: 10.1371/journal.pone.0145539. eCollection 2015.
Metabolomic Elucidation of the Effects of Curcumin on Fibroblast-Like Synoviocytes in Rheumatoid Arthritis
Ahn JK11, Kim S2, Hwang J3, Kim J2, Lee YS4, Koh EM5, Kim KH2, Cha HS5.

Joint Bone Spine. 2015 Dec;82(6):473-4. doi: 10.1016/j.jbspin.2014.11.009. Epub 2015 Jul 14.
Body mass index and estrogen predict radiographic progression in the spine in ankylosing spondylitis
Jeong H11, Bea EK2, Lee J1, Koh EM1, Cha HS3.

J Rheumatol. 2015 Nov;42(11):2075-81. doi: 10.3899/jrheum.141447. Epub 2015 Sep 1.
Factors Associated with the Use of Complementary and Alternative Medicine for Korean Patients with Rheumatoid Arthritis
Han M11, Sung YK1, Cho SK1, Kim D1, Won S1, Choi CB1, Bang SY1, Cha HS1, Choe JY1, Chung WT1, Hong SJ1, Jun JB1, Jung YO1, Kim SK1, Kim TH1, Koh E1, Lee HS1, Lee J1, Lee JH1, Lee SS1, Nah SS1, Shim SC1, Yoo DH1, Yoo WH1, Yoon BY1, Jee SH1, Bae SC1.

PLoS One. 2015 Oct 16;10(10):e0141033. doi: 10.1371/journal.pone.0141033. eCollection 2015.
The Significance of Sensitive Interferon Gamma Release Assays for Diagnosis of Latent Tuberculosis Infection in Patients Receiving Tumor Necrosis Factor-alpha Antagonist Therapy
Jung YJ11, Woo HI2, Jeon K3, Koh WJ3, Jang DK4, Cha HS5, Koh EM5, Lee NY1, Kang ES1.

PLoS One. 2015 Aug 13;10(8):e0135856. doi: 10.1371/journal.pone.0135856. eCollection 2015.
A Comparative Metabolomic Evaluation of Behcet's Disease with Arthritis and Seronegative Arthritis Using Synovial Fluid
Ahn JK11, Kim S2, Kim J2, Hwang J1, Kim KH2, Cha HS3.

J Immunol. 2015 Jul 15;195(2):564-75. doi: 10.4049/jimmunol.1401661. Epub 2015 Jun 8.
Early Development in the Peritoneal Cavity of CD49d(high) Th1 Memory Phenotype CD4(+) T Cells with Enhanced B Cell Helper Activity
Moon H11, Park C1, Lee JG1, Shin SH1, Lee JH1, Kho I1, Kang K2, Cha HS3, Kim TJ4.

Int J Rheum Dis. 2015 Jul;18(6):661-8. doi: 10.1111/1756-185X.12458. Epub 2014 Sep 8.
Clinical characteristics of nonradiographic axial spondyloarthritis in Korea: a comparison with ankylosing spondylitis
Jeong H11, Yoon JY2, Park EJ3, Hwang J1, Kim H1, Ahn JK4, Lee J1, Koh EM1, Cha HS1.

Int J Rheum Dis. 2015 Jun;18(5):514-23. doi: 10.1111/1756-185X.12501. Epub 2014 Dec 20.
A novel histone deacetylase 6-selective inhibitor suppresses synovial inflammation and joint destruction in a collagen antibody-induced arthritis mouse model
Lee J11, Hong EC2, Jeong H1, Hwang JW1, Kim H1, Bae EK2, Ahn JK3, Choi YL4, Han J4, Cha HS1, Koh EM1.

Korean J Intern Med. 2015 May;30(3):391-7. doi: 10.3904/kjim.2015.30.3.391. Epub 2015 Apr 29.
Predictive factors of radiographic progression in ankylosing spondylitis
Kim H11, Lee J1, Ahn JK2, Hwang J1, Park EJ1, Jeong H1, Cha HS1, Koh EM1.

Yonsei Med J. 2015 May;56(3):676-83. doi: 10.3349/ymj.2015.56.3.676.
Significance of Myositis Autoantibody in Patients with Idiopathic Interstitial Lung Disease
Song JS11, Hwang J2, Cha HS2, Jeong BH3, Suh GY3, Chung MP3, Kang ES4.

Rheumatol Int. 2015 Apr;35(4):727-34. doi: 10.1007/s00296-014-3146-4. Epub 2014 Oct 8.
Effect of anti-tumor necrosis factor alpha treatment of rheumatoid arthritis and chronic kidney disease
Kim HW11, Lee CK, Cha HS, Choe JY, Park EJ, Kim J.

J Immunol Res. 2015;2015:487230. doi: 10.1155/2015/487230. Epub 2015 Apr 2.
Low Baseline Interleukin-17A Levels Are Associated with Better Treatment Response at 12 Weeks to Tocilizumab Therapy in Rheumatoid Arthritis Patients
Lee SJ11, Park W2, Park SH3, Shim SC4, Baek HJ5, Yoo DH6, Kim HA7, Lee SK8, Leee YJ9, Park YE10, Cha HS11, Park JK1, Lee EY12, Lee EB12, Song YW1.

Korean J Intern Med. 2015 Mar;30(2):242-9. doi: 10.3904/kjim.2015.30.2.242. Epub 2015 Feb 27.
Clinical characteristics of male and female Korean patients with systemic lupus erythematosus: a comparative study
Hwang J11, Lee J1, Ahn JK2, Park EJ3, Cha HS1, Koh EM1.

Clin Exp Rheumatol. 2015 Mar-Apr;33(2 Suppl 89):S-132-7. Epub 2015 May 26.
Gender differences in clinical and angiographic findings of patients with Takayasu arteritis
Lim AY11, Lee GY2, Jang SY2, Gwag HB1, Choi SH2, Jeon ES2, Cha HS3, Sung K4, Kim YW5, Kim SM6, Choe YH6, Kim DK2.

PLoS One. 2015 Mar 6;10(3):e0119260. doi: 10.1371/journal.pone.0119260. eCollection 2015.
QuantiFERON-TB Gold In-Tube Assay for Screening Arthritis Patients for Latent Tuberculosis Infection before Starting Anti-Tumor Necrosis Factor Treatment
Lee H11, Park HY1, Jeon K1, Jeong BH1, Hwang JW2, Lee J2, Cha HS2, Koh EM2, Kang ES3, Koh WJ1.

Invest Ophthalmol Vis Sci. 2014 Nov 25;56(1):396-402. doi: 10.1167/iovs.14-15138.
Macular Retinal Ganglion Cell-Inner Plexiform Layer Thickness in Patients on Hydroxychloroquine Therapy
Lee MG11, Kim SJ1, Ham DI1, Kang SW1, Kee C1, Lee J2, Cha HS2, Koh EM2.

Int J Rheum Dis. 2014 Nov;17(8):887-97. doi: 10.1111/1756-185X.12435. Epub 2014 Sep 29.
Pregnancy outcomes in patients with systemic lupus erythematosus: a retrospective review of 62 pregnancies at a single tertiary center in South Korea
Park EJ11, Jung H, Hwang J, Kim H, Lee J, Ahn JK, Cha HS, Koh EM.

Int J Rheum Dis. 2014 Jun;17(5):502-10. doi: 10.1111/1756-185X.12259. Epub 2013 Dec 14.
Clinical courses and predictors of outcomes in patients with monoarthritis: a retrospective study of 171 cases
Jeong H11, Kim AY, Yoon HJ, Park EJ, Hwang J, Kim H, Ahn JK, Lee J, Koh EM, Cha HS.

PLoS One. 2014 Jun 2;9(6):e97501. doi: 10.1371/journal.pone.0097501. eCollection 2014.
Global Metabolite Profiling of Synovial Fluid for the Specific Diagnosis of Rheumatoid Arthritis from Other Inflammatory Arthritis
Kim S11, Hwang J2, Xuan J1, Jung YH1, Cha HS2, Kim KH1.

Joint Bone Spine. 2013 Dec;80(6):621-5. doi: 10.1016/j.jbspin.2013.02.009. Epub 2013 Apr 6.
A role for benzo[a]pyrene and Slug in invasive properties of fibroblast-like synoviocytes in rheumatoid arthritis: A potential molecular link between smoking and radiographic progression
Lee J11, Jeong H, Park EJ, Hwang JW, Bae EK, Ahn JK, Ahn KS, Koh EM, Cha HS.

Rheumatology (Oxford). 2013 Aug;52(8):1368-76. doi: 10.1093/rheumatology/ket147. Epub 2013 Apr 25.
The role of alpha-defensin-1 and related signal transduction mechanisms in the production of IL-6, IL-8 and MMPs in rheumatoid fibroblast-like synoviocytes
Ahn JK11, Huang B, Bae EK, Park EJ, Hwang JW, Lee J, Koh EM, Cha HS.

Mod Rheumatol. 2012 Nov;22(6):885-91. doi: 10.1007/s10165-012-0603-3. Epub 2012 Feb 11.
Prevalence of rheumatoid factor and parameters associated with rheumatoid factor positivity in Korean health screening subjects and subjects with hepatitis B surface antigen
Shim CN11, Hwang JW, Lee J, Koh EM, Cha HS, Ahn JK.

Semin Arthritis Rheum. 2012 Aug;42(1):23-31. doi: 10.1016/j.semarthrit.2012.02.004. Epub 2012 Mar 31.
Do Patients with Elderly-Onset Rheumatoid Arthritis Have Severe Functional Disability
Cho SK11, Sung YK, Choi CB, Cha HS, Choe JY, Chung WT, Hong SJ, Jun JB, Kim J, Kim TH, Kim TJ, Koh EM, Lee HS, Lee J, Lee SS, Lee SW, Yoo DH, Yoon BY, Bae SC; Korean Observational Study Network for Arthritis (KORONA) Investigators.

Rheumatol Int. 2012 Jul;32(7):1877-84. doi: 10.1007/s00296-011-1887-x. Epub 2011 Mar 27.
Outcome of reclassification of World Health Organization (WHO) class III under International Society of Nephrology-Renal Pathology Society (ISN-RPS) classification: retrospective observational study
Hwang J11, Kim HJ, Oh JM, Ahn JK, Lee YS, Lee J, Kim YG, Huh WS, Seo J, Koh EM, Cha HS.

Semin Arthritis Rheum. 2012 Jun;41(6):745-51. doi: 10.1016/j.semarthrit.2011.09.007. Epub 2011 Dec 9.
Korean Observational Study Network for Arthritis (KORONA): Establishment of a Prospective Multicenter Cohort for Rheumatoid Arthritis in South Korea
Sung YK11, Cho SK, Choi CB, Park SY, Shim J, Ahn JK, Bang SY, Cha HS, Choe JY, Chung WT, Her M, Hong SJ, Hong YK, Joung CI, Jun JB, Jung YO, Kang YM, Kim DY, Kim HR, Kim HA, Kim J, Kim SK, Kim SI, Kim TH, Kim TJ, Koh E, Lee CK, Lee HS, Lee J, Lee SH, Lee SH, Lee SS, Lee SW, Lee YA, Nah SS, Park SH, Sheen DH, Shim SC, Gyu Song G, Suh CH, Uhm WS, Yoo DH, Yoo WH, Yoon BY, Bae SC.

Inflammation. 2012 Apr;35(2):474-83. doi: 10.1007/s10753-011-9336-2.
The Role of Raf Kinase Inhibitor Protein in Rheumatoid Fibroblast-like Synoviocytes Invasiveness and Cytokine and Matrix Metalloproteinase Expression
Ahn JK11, Hwang JW, Bae EK, Lee J, Jeon CH, Koh EM, Cha HS.

Inflammation. 2012 Apr;35(2):633-7. doi: 10.1007/s10753-011-9355-z.
Underexpression of TIM-3 and Blunted Galectin-9-Induced Apoptosis of CD4+T Cells in Rheumatoid Arthritis
Lee J11, Park EJ, Noh JW, Hwang JW, Bae EK, Ahn JK, Koh EM, Cha HS.

J Am Coll Cardiol. 2012 Feb 14;59(7):e13. doi: 10.1016/j.jacc.2011.04.055.
Polyarteritis Nodosa Involving Renal and Coronary Arteries
Hwang J11, Yang JH, Kim DK, Cha HS.

J Korean Med Sci. 2012 Jan;27(1):107-9. doi: 10.3346/jkms.2012.27.1.107. Epub 2011 Dec 19.
Correlation of DEFA1 Gene Copy Number Variation with Intestinal Involvement in Behcet's Disease
Ahn JK11, Cha HS, Lee J, Jeon CH, Koh EM.

Joint Bone Spine. 2011 Dec;78(6):593-7. doi: 10.1016/j.jbspin.2011.01.012. Epub 2011 Mar 26.
Increased alpha-defensin-1 expression in Korean patients with Behcet's disease
Ahn JK11, Hwang JW, Oh JM, Bae EK, Lee J, Lee YS, Koh EM, Cha HS.

Scand J Rheumatol. 2011;40(5):334-40. doi: 10.3109/03009742.2010.547871. Epub 2011 Mar 30.
Expression of human TIM-3 and its correlation with disease activity in rheumatoid arthritis
Lee J11, Oh JM, Hwang JW, Ahn JK, Bae EK, Won J, Koh EM, Cha HS.

J Korean Med Sci. 2011 May;26(5):697-700. doi: 10.3346/jkms.2011.26.5.697. Epub 2011 Apr 21.
Extracellular High-Mobility Group Box 1 is Increased in Patients with Behcet's Disease with Intestinal Involvement
Ahn JK11, Cha HS, Bae EK, Lee J, Koh EM.

Pediatr Radiol. 2010 Sep;40(9):1572-5. doi: 10.1007/s00247-010-1628-4. Epub 2010 Mar 25.
MRI findings in Kirner deformity: normal insertion of the flexor digitorum profundus tendon without soft-tissue enhancement
Lee J11, Ahn JK, Choi SH, Koh EM, Cha HS.

Exp Mol Med. 2010 Jun 30;42(6):428-36.
Slug suppression induces apoptosis via Puma transactivation in rheumatoid arthritis fibroblast-like synoviocytes treated with hydrogen peroxide
Cha HS11, Bae EK, Ahn JK, Lee J, Ahn KS, Koh EM.

Rheumatol Int. 2010 Apr;30(6):831-5. doi: 10.1007/s00296-009-1319-3. Epub 2009 Dec 17.
Behcet's disease associated with malignancy in Korea: a single center experience
Ahn JK11, Oh JM, Lee J, Koh EM, Cha HS.

Clin Ther. 2009 Dec;31(12):2860-72. doi: 10.1016/j.clinthera.2009.12.016.
Comparative Clinical Trial of S-Adenosylmethionine Versus Nabumetone for the Treatment of Knee Osteoarthritis: An 8-Week, Multicenter, Randomized, Double-Blind, Double-Dummy, Phase IV Study in Korean Patients
Kim J11, Lee EY, Koh EM, Cha HS, Yoo B, Lee CK, Lee YJ, Ryu H, Lee KH, Song YW.

Rheumatol Int. 2009 Sep;29(11):1391-3. doi: 10.1007/s00296-009-0862-2. Epub 2009 Jan 25.
Treatment outcomes in patients with non-infectious aortic valvulitis undergoing aortic valve replacement: implication for the treatment of aortic valve involvement in Behcet's disease
Ahn JK1, Kim H, Lee J, Park PW, Jeon CH, Koh EM, Cha HS.

Rheumatol Int. 2009 Apr;29(6):689-92. doi: 10.1007/s00296-008-0735-0. Epub 2008 Oct 9.
Ankylosing spondylitis in a patient with myelodysplastic syndrome: an association with HLA-B27 or coincidence
Lee J11, Kim H, Ahn JK, Hwang JW, Jang JH, Koh EM, Cha HS.

Clin Rheumatol. 2008 Nov;27(11):1455-8. doi: 10.1007/s10067-008-0951-8. Epub 2008 Jul 1.
Successful cyclophosphamide therapy with complete resolution of pulmonary artery aneurysm in Hughes-Stovin syndrome patient
Lee J11, Noh JW, Hwang JW, Kim H, Ahn JK, Koh EM, Cha HS.

Rheumatology (Oxford). 2008 Aug;47(8):1228-30. doi: 10.1093/rheumatology/ken162. Epub 2008 Jun 11.
Behcets disease associated with bone marrow failure in Korean patients: clinical characteristics and the association of intestinal ulceration and trisomy 8
Ahn JK11, Cha HS, Koh EM, Kim SH, Kim YG, Lee CK, Yoo B.

Clin Rheumatol. 2008 Feb;27(2):201-5. Epub 2007 Jul 17.
Treatment of venous thrombosis associated with Behcet's disease: immunosuppressive therapy alone versus immunosuppressive therapy plus anticoagulation
Ahn JK11, Lee YS, Jeon CH, Koh EM, Cha HS.

Clin Exp Immunol. 2007 Jun;148(3):410-8. Epub 2007 Mar 15.
Glucocorticoid-induced tumour necrosis factor receptor-related protein-mediated macrophage stimulation may induce cellular adhesion and cytokine expression in rheumatoid arthritis
Bae E11, Kim WJ, Kang YM, Suk K, Koh EM, Cha HS, Ahn KS, Huh TL, Lee WH.

Clin Ther. 2007 May;29(5):862-73.
Assessment of comparative pain relief and tolerability of SK1306X compared with celecoxib in patients with rheumatoid arthritis: A 6-week, multicenter, randomized, double-blind, double-dummy, phase III, noninferiority clinical trial
Song YW11, Lee EY, Koh EM, Cha HS, Yoo B, Lee CK, Baek HJ, Kim HA, Suh YI, Kang SW, Lee YJ, Jung HG.

J Rheumatol. 2007 Jan;34(1):16-9.
Tumor necrosis factor-alpha induces vascular endothelial growth factor-C expression in rheumatoid synoviocytes
Cha HS11, Bae EK, Koh JH, Chai JY, Jeon CH, Ahn KS, Kim J, Koh EM.

Clin Immunol. 2005 Sep;116(3):217-24.
Cyclophilin A may contribute to the inflammatory processes in rheumatoid arthritis through induction of matrix degrading enzymes and inflammatory cytokines from macrophages (vol 116, pg 217, 2005)
Kim H11, Kim WJ, Jeon ST, Koh EM, Cha HS, Ahn KS, Lee WH.

Clin Immunol. 2005 Sep;116(3):217-24.
Cyclophilin A may contribute to the inflammatory processes in rheumatoid arthritis through induction of matrix degrading enzymes and inflammatory cytokines from macrophages
Kim H11, Kim WJ, Jeon ST, Koh EM, Cha HS, Ahn KS, Lee WH.

Immunology. 2005 Feb;114(2):272-9.
LIGHT is involved in the pathogenesis of rheumatoid arthritis by inducing the expression of pro-inflammatory cytokines and MMP-9 in macrophages
Kim WJ11, Kang YJ, Koh EM, Ahn KS, Cha HS, Lee WH.

Ann Rheum Dis. 2004 Oct;63(10):1244-9.
Association of the oestrogen receptor a gene polymorphisms with disease onset in systemic lupus erythematosus
Lee YJ11, Shin KS, Kang SW, Lee CK, Yoo B, Cha HS, Koh EM, Yoon SJ, Lee J.

Rheumatol Int. 2004 Jul;24(4):207-11. Epub 2003 Jul 26.
Inhibitory effect of cyclo-oxygenase-2 inhibitor on the production of matrix metalloproteinases in rheumatoid fibroblast-like synoviocytes
Cha HS11, Ahn KS, Jeon CH, Kim J, Koh EM.

Scand J Rheumatol. 2004;33(3):179-84.
Autoantibodies to glucose-6-phosphate isomerase are elevated in the synovial fluid of rheumatoid arthritis patients
Cha HS11, Kim TJ, Kim JY, Lee MH, Jeon CH, Kim J, Bae EK, Ahn KS, Koh EM.

Clin Exp Rheumatol. 2003 Sep-Oct;21(5):593-8.
Influence of hypoxia on the expression of matrix metalloproteinase-1,-3 and tissue inhibitor of metalloproteinase-1 in rheumatoid synovial fibroblasts
Cha HS11, Ahn KS, Jeon CH, Kim J, Song YW, Koh EM.

Exp Mol Med. 2003 Aug 31;35(4):310-6.
Detection of antibodies against glucose 6-phosphate isomerase in synovial fluid of rheumatoid arthritis using surface plasmon resonance (BIAcore)
Kim JY11, Lee MH, Jung KI, Na HY, Cha HS, Ko EM, Kim TJ.

Int J Clin Pharmacol Ther. 2001 Dec;39(12):539-45.
Comparison of the efficacy and safety of naproxen CR and nabumetone in the treatment of patients with osteoarthritis of the knee
Cha HS11, Koh JH, Jeon CH, Lee CK, Kim JS, Koh EM.