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本研究结果表明，大鼠在声级为８５ｄＢ（Ａ）噪声环境下悬吊（ＨＤＴ－３０°）１０昼夜后，淋巴细胞转化率及白细胞介素２（ＩＬ２）明显降低，血浆皮质酮含量显著升高，下丘脑内多巴胺（ＤＡ）和去甲肾上腺素（ＮＡ）含量呈升高趋势，表明机体处于应激状态．单纯８５ｄＢ（Ａ）噪声组除多巴胺及Ｔ淋巴细胞增殖反应外上述指标也有同样的变化规律，但没有复台因素组明显．本文出现的神经－内分泌－免疫系统功能失调可能是航天员易患感染性疾病的原因之一．
The results of this study showed that after 10 days and nights of HDT-30 ° suspension at a sound level of 85dB (A), the lymphocyte transformation rates and interleukin 2 (IL2) were significantly decreased and the plasma corticosterone content was significantly Elevated, dopamine (DA) and norepinephrine (NA) content in the hypothalamus increased, indicating that the body is in stress state. Except dopamine and T lymphocyte proliferative response, the above 85% pure 85dB (A) noise group also had the same change rule, but there was no obvious complex group. The neurological-endocrine-immune system dysfunction presented here may be one of the causes of astronaut-prone infectious diseases.