确实如此。另外想再请问一下老师:
1. 无T细胞的PBMC用IL-2刺激24h后有什么作用,活化NK细胞,这是时候主要剩哪些细胞群体?原文:CD3-depleted PBMCs were cultured in the absence orpresence of human IL-2 in a concentration of 100 IU/ml for 24 h;
2. 新鲜分离的PBMC与feeder培养后,再经IL-12的刺激,培养至10-15天,应该能收获大量活化的NK细胞吧;原文:Freshly isolated PBMCs were co-cultured with 100 Gy irradiated K562mb15 4-1BBL feeder cells (kindly provided by Dario Campana). Cells were cultured in complete RPMI 1640 medium (Biochrom) containing 10% ABhuman serum, 2 mM L-glutamine (Biochrom), 100 U/ml penicillin (Biochrom), 100 μg/ml streptomycin (Biochrom), and 100 IU/ml recombinant human IL-2 (Proleukine). Medium was changed every 2 to 3 days. The NKAES were harvested on days 10–15 and subsequently characterized by flow cytometry.
请老师帮忙解答一下1问,以及对2问的理解是否正确。Thanks~ |