The Presumed Hyporesponsive Behavior of Rheumatoid Arthritis T Lymphocytes Can Be Attributed to Spontaneous Ex Vivo Apoptosis rather than Defects in T Cell Receptor Signaling

Abstract excerpt

Genetic associations and the clinical success of compounds targeting TCR costimulatory proteins suggest an active role for TCR signaling in the initiation and perpetuation of rheumatoid arthritis (RA). Paradoxically, T cells isolated from affected joints in RA show impaired proliferative and cytokine responses following stimulation with mitogens and recall Ags attributed in part to chronic T cell exposure to...

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