Tumor Necrosis Factor (TNF)was Developed by Recombinant DNA Synthesis

Multiple Choice

Tumor necrosis factor (TNF) was developed by recombinant DNA synthesis.By what mechanism does etanercept affect the pathology of RA?

A) Etanercept targets TNF-alpha and is specific to only the human form.
B) Etanercept acts by blocking the action of interleukin-1.
C) Etanercept interferes with the inflammatory cascade initiated by TNR-alpha,thereby lowering circulating cytokines.
D) Etanercept interferes with collagen biosynthesis.