方法：采用受体放射配基结合分析、受体-DNA结合分析及免疫荧光技术。
Methods: receptor radioligand binding assay, receptor DNA binding assay and immunofluorescence methods were used.
用放射配基结合分析法，研究了不同温度条件下蟾蜍心脏各部位肾上腺素能受体的类型和含量。
The type and content of adrenoceptors in heart of normothermic and cold-acclimatized toad were studied by radioligand binding assay at different testing temperatures.
应用受体的放射配基结合分析法测定出甜菜碱对大鼠肝细胞膜表皮生长因子受体（EGF）及其酪氨酸蛋白激酶（TPK）有显著的结合抑制作用。
Using radioligand of binding assay of receptors determinates that betaine can inhibit the binding of EGF receptor with EGF and affect the TPK activity conspicuously.
应用受体的放射配基结合分析法测定出甜菜碱对大鼠肝细胞膜表皮生长因子受体（EGF）及其酪氨酸蛋白激酶（TPK）有显著的结合抑制作用。
Using radioligand of binding assay of receptors determinates that betaine can inhibit the binding of EGF receptor with EGF and affect the TPK activity conspicuously.
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