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首页> 外文期刊>Science >ALTERED CYTOKINE EXPORT AND APOPTOSIS IN MICE DEFICIENT IN INTERLEUKIN-1-BETA CONVERTING ENZYME
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ALTERED CYTOKINE EXPORT AND APOPTOSIS IN MICE DEFICIENT IN INTERLEUKIN-1-BETA CONVERTING ENZYME

机译:白细胞介素-1-BETA转化酶缺乏的小鼠体内细胞因子的替代输出和凋亡

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摘要

The interleukin-1 beta (IL-1 beta) converting enzyme (ICE) processes the inactive IL-1 beta precursor to the proinflammatory cytokine. Adherent monocytes from mice harboring a disrupted ICE gene (ICE(-/-)) did not export IL-1 beta or interleukin-1 alpha (IL-1 alpha) after stimulation with lipopolysaccharide. Export of tumor necrosis factor-alpha and interleukin-6 (IL-6) from these cells was also diminished. Thymocytes from ICE(-/-) mice were sensitive to apoptosis induced by dexamethasone or ionizing radiation, but were resistant to apoptosis induced by Fas antibody. Despite this defect in apoptosis, ICE(-/-) mice proceed normally through development.
机译:白介素-1β(IL-1 beta)转换酶(ICE)将无活性的IL-1β前体处理为促炎细胞因子。用脂多糖刺激后,来自具有受损ICE基因(ICE(-/-))的小鼠的粘附单核细胞不输出IL-1 beta或白介素-1 alpha(IL-1 alpha)。这些细胞的肿瘤坏死因子-α和白介素-6(IL-6)的输出也减少了。 ICE(-/-)小鼠的胸腺细胞对地塞米松或电离辐射诱导的凋亡敏感,但对Fas抗体诱导的凋亡具有抵抗力。尽管凋亡中存在这种缺陷,但ICE(-/-)小鼠正常发育。

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