TLR4 and cyclic hematopoiesis: Thus, TLR2, TLR4, TLR6, TLR9, and TLR 10 expression was not upregulated in AH and/or CH comparing to healthy liver in woodchuck #1, while upregulated TLR 2–9 expression during AH, but not during CH, was found in woodchuck #2.