大鼠和小鼠酪蛋白的免疫学和电泳比较分析

Martin K feldman, Roberto L Ceriani
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引用次数: 21

摘要

1.1. 采用肾素- ca2 =沉淀法纯化大鼠和小鼠乳中的酪蛋白。丙烯酰胺凝胶电泳显示大鼠酪蛋白中有4种成分,小鼠酪蛋白中有5种成分。在两种情况下,至少有一个组件迁移相似。免疫扩散和免疫电泳分析表明,小鼠酪蛋白抗体对小鼠和大鼠乳汁中类似的酪蛋白成分表现出不完全的交叉反应。大鼠酪蛋白抗体识别大鼠乳中的四种成分,而只识别小鼠乳中的一种成分。小鼠的奶成分与大鼠的一种成分相同。放射免疫沉淀分析表明,抗大鼠和小鼠酪蛋白的抗体可识别异源酪蛋白,但沉淀效率较低。
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A comparative immunologic and electrophoretic analysis of rat and mouse caseins

  • 1.

    1. Caseins from rat and mouse milk were purified following rennin-Ca2= precipitation.

  • 2.

    2. Acrylamide gel electrophoresis revealed four components in rat and five componenst in mouse casein. At least one component migrated similarly in both caseins.

  • 3.

    3. Immunodiffusion and immunoelectrophoretic analysis indicated that anti-bodies to mouse casein exhibit incomplete cross-reactivity to similar casein components in mouse and rat milk. Antibodies to rat casein recognized four components in rat milk, an donly one component in mouse milk. The mouse milk component was identical to one of rat components.

  • 4.

    4. Radioimmunoprecipitation analysis suggested that antibodies against rat and mouse casein recognize heterologous caseins, but precipitation in less efficient.

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