长度缩短

• Complex interactions between classical cytokines and opioids have been found in the nervous system . the neural effects of opioids can be changed by cytokines , while the effects of cytokines can be modulated by opioids . in pha - stimulated human lymphocytes , the opioid receptor antagonist , naloxone , blunted the effect of il - 2
  （ 2 ） 200u mlil 2对心肌细胞作用5min即有明显效应，引起dl dtmax 、 dl和dl dtlnax降低，舒张末期细胞长度缩短，随作用时间延长，其对心室肌细胞的抑制作用增强。