Expression of toll-like receptors in myeloma cell lines and primary bone marrow mononuclear cells from MM patients.

+: positive; w+: weakly positive; −: negative; nd: not determined.
BMNC: CD138-positive cells gated from bone marrow mononuclear cells derived from MM patients (3 patients).

+: 阳性（positive）；w+: 弱阳性（weakly positive）；−: 阴性（negative）；nd: 未确定（not determined）。BMNC：指从3例多发性骨髓瘤（Multiple Myeloma，MM）患者的骨髓单个核细胞中门控分选出的CD138阳性细胞。