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内皮素（ＥＴ）、神经肽γ（ＮＰγ）、神经降压素（ＮＴ）是三种生物活性多肽物质，广泛存在于人类中枢神经系统并发挥着神经递质的生物学功能。为了解脑瘤患者血浆ＥＴ、ＮＰγ、ＮＴ含量及临床意义，我们测定了３０例恶性脑瘤患者手术前后血浆中三种物质的含量变化，并与２
Endothelin (ET), neuropeptide γ (NPγ) and neurotensin (NT) are three bioactive peptide substances that are widely found in human central nervous system and play a biological role in neurotransmitter. To understand the plasma levels of ET, NPγ and NT in patients with brain tumors and their clinical significance, we measured the changes of plasma concentrations of three substances in 30 patients with malignant brain tumor before and after surgery,