胶质SOD的产生可能是对缺血后自由基氧化损伤的保护性反应。
The production of glial SODs may be a response to ischemic stress.
结论：GLUT1在缺血半影区的表达上调，可能是机体对缺血损伤的保护性反应。
CONCLUSION: GLUT1 expression is notably up-regulated in the penumbra region after focal cerebral ischemia, it may be a protective reaction against ischemic injury.
在低温胁迫下，雪松叶片细胞中可溶性糖含量随温度降低而不断升高，这是对低温环境的一种保护性反应。
During the cold stresses, the content of amylose in cedar cells has increasing trend with the temperature decreasing, which can be seen a protective reaction to the cold situation.
随着年龄的增长，皮肤的保护性反应——表层血管的收缩减慢，对低温的反应可以增加代谢率，可老年人的代谢率却在不断减弱，哪一代谢机体的下降却不明。
The skin's protective reaction of constricting surface blood vessels is slower with age, and the cold-induced rise in metabolic rate is also weakened in older people, but the mechanism is unknown.
随着年龄的增长，皮肤的保护性反应——表层血管的收缩减慢，对低温的反应可以增加代谢率，可老年人的代谢率却在不断减弱，哪一代谢机体的下降却不明。
The skin's protective reaction of constricting surface blood vessels is slower with age, and the cold-induced rise in metabolic rate is also weakened in older people, but the mechanism is unknown.
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