in complete Eagle’s minimum essential medium (Sigma) supplemented
with 10% (v/v) heat-inactivated fetal bovine serum (Sigma-Aldrich)
and 1% (v/v) penicillin–streptomycin (Sigma-Aldrich). Human
leukemia monocytes (THP-1) were cultured and maintained in RPM1-1640
supplemented with 10% (v/v) heat-inactivated fetal bovine serum (Sigma-Aldrich)
and 1% (v/v) penicillin–steptomycin (Sigma-Aldrich). These
two cell lines were obtained from American Type culture collection
(ATCC). Human dermal fibroblast (HDF) cell line was purchased by Sigma
and cultured in complete Fibroblast Basal Medium (Lonza) with 1% (v/v)
penicillin–streptomycin.