IL-4 and -13 increased production of collagen and modified the equilibrium between MMP-1 and its inhibitor, TIMP-1. These effects were partially opposed by IFN-gamma and TNF-alpha.
No takes yet. Share an insight, caveat, or question.
Leonardi et al. (2003) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: