Role of IL-21 in Systemic Lupus Erythematosus

Sonia S. Jung and Heath M. Guay^*

Immunology Research, Centocor Research & Development, a Division of Johnson & Johnson Pharmaceutical Research & Development, L.L.C., Radnor, PA, USA

^*Corresponding Author: Heath M. Guay, Immunology Research, Centocor R&D, 145 King Of Prussia Rd, Mailstop R-4-1, Radnor, PA 19087, USA, Tel: 610-651-6197, Fax: 610-240-4064 Email: