To provide an immunosuppression-related cell collection material improved in performance for selectively collecting immunosuppression-related cells, and an immunosuppression-related cell collection column with the collection material filled therein.SOLUTION: An immunosuppression-related cell collection material comprises a molded body with a linear aromatic polymer where a nonpolar side-chain amino acid residue is combined at a rate of 1-100 per 200 of aromatic nucleus through a spacer of the length being more than 10 atoms as an aromatic substituent group, and also there is provided an immunosuppression-related cell collection column with the collection material filled therein.SELECTED DRAWING: None【課題】免疫抑制性細胞を選択的に捕集する性能が向上した免疫抑制性細胞捕集材、及び該捕集材が充填された免疫抑制性細胞捕集用カラムを提供する。【解決手段】芳香族置換基として非極性側鎖アミノ酸残基が１０原子以上の長さのスペーサーを介して芳香核２００個当たり１～１００個の割合で結合した直鎖状芳香族ポリマーを備えた成型体からなる免疫抑制性細胞捕集材、並びに該捕集材が充填された免疫抑制性細胞捕集用カラム。【選択図】なし
