Plasma Leptin Does Not Reflect the Effect of High Body Mass Index on Disease Activity in Rheumatoid Arthritis.

T. Uhlig, K. B. Hagen, T. K. Kvien, Current tobacco smoking, formal education, and the risk of rheumatoid arthritis. The Journal of Rheumatology. ,vol. 26, pp. 47- 54 ,(1999)

D M Butler, R N Maini, M Feldmann, F M Brennan, Modulation of proinflammatory cytokine release in rheumatoid synovial membrane cell cultures. Comparison of monoclonal anti TNF-alpha antibody with the interleukin-1 receptor antagonist. European Cytokine Network. ,vol. 6, pp. 225- 230 ,(1995)

Appropriate body-mass index for Asian populations and its implications for policy and intervention strategies. The Lancet. ,vol. 363, pp. 157- 163 ,(2004) , 10.1016/S0140-6736(03)15268-3

M. Feldmann, F.M. Brennan, B.M.J. Foxwell, R.M. Maini, The role of TNF alpha and IL-1 in rheumatoid arthritis. Current directions in autoimmunity. ,vol. 3, pp. 188- 199 ,(2001) , 10.1159/000060522

Hyung-Sik Kang, Inpyo Choi, Sang-Deok Lim, June-Kyu Lee, Jeong-Ho Seok, Jae-Heun Lee, Gang-Min Hur, Ji-Yeon Sung, Jang-Hee Hong, Methotrexate suppresses the interleukin-6 induced generation of reactive oxygen species in the synoviocytes of rheumatoid arthritis Immunopharmacology. ,vol. 47, pp. 35- 44 ,(2000) , 10.1016/S0162-3109(99)00185-X

Faten Ismail, Hisham Abdel-haleem Ali, Hanaa M. Ibrahim, Possible role of leptin, and tumor necrosis factor-alpha in hypoandrogenicity in patients with early rheumatoid arthritis The Egyptian Rheumatologist. ,vol. 33, pp. 209- 215 ,(2011) , 10.1016/J.EJR.2011.07.006

Ann B. Begovich, Victoria E.H. Carlton, Lee A. Honigberg, Steven J. Schrodi, Anand P. Chokkalingam, Heather C. Alexander, Kristin G. Ardlie, Qiqing Huang, Ashley M. Smith, Jill M. Spoerke, Marion T. Conn, Monica Chang, Sheng-Yung P. Chang, Randall K. Saiki, Joseph J. Catanese, Diane U. Leong, Veronica E. Garcia, Linda B. McAllister, Douglas A. Jeffery, Annette T. Lee, Franak Batliwalla, Elaine Remmers, Lindsey A. Criswell, Michael F. Seldin, Daniel L. Kastner, Christopher I. Amos, John J. Sninsky, Peter K. Gregersen, A missense single-nucleotide polymorphism in a gene encoding a protein tyrosine phosphatase (PTPN22) is associated with rheumatoid arthritis. American Journal of Human Genetics. ,vol. 75, pp. 330- 337 ,(2004) , 10.1086/422827

Calin Popa, Mihai G Netea, Timothy RDS Radstake, Piet L van Riel, Pilar Barrera, Jos WM van der Meer, Markers of inflammation are negatively correlated with serum leptin in rheumatoid arthritis Annals of the Rheumatic Diseases. ,vol. 64, pp. 1195- 1198 ,(2005) , 10.1136/ARD.2004.032243

Sofia Ajeganova, Maria L. Andersson, Ingiäld Hafström, , Association of obesity with worse disease severity in rheumatoid arthritis as well as with comorbidities: A long-term followup from disease onset Arthritis Care and Research. ,vol. 65, pp. 78- 87 ,(2013) , 10.1002/ACR.21710

Misato Hashizume, Masahiko Mihara, The roles of interleukin-6 in the pathogenesis of rheumatoid arthritis. Arthritis. ,vol. 2011, pp. 765624- 765624 ,(2011) , 10.1155/2011/765624