| http://www.w3.org/ns/prov#value | - Tumor necrosis factor-alpha (TNF-alpha; also termed cachectin; hereinafter ???TNF???) is secreted primarily by monocytes and macrophages in response to endotoxin or other stimuli as a soluble homotrimer of 17 kDa protein subunits (Smith, R. A. et al., J. Biol.
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