CD40LG and Hepatic fibrosis: The activation of B lymphocytes in infected mice may lead to the up-regulation of immunoglobulins (e.g., IgG and IgM), and the increased expression of toll–like receptors (TLRs) that we observed in infected mice may enable the development of hepatic fibrosis (Additional file 1: Tables S15–S17; [11, 55].