【摘 要】
:
利用ThT荧光分析法、 透射电子显微镜和圆二色光谱检测αs1-酪蛋白形成淀粉样纤维沉淀(Fibril)的动力学过程, 优化了其形成条件, 研究了Fibril形成的影响因素. 实验结果表明,
【机 构】
:
吉林大学药学院,阿德莱德大学物理化学学院
【基金项目】
:
吉林省自然科学基金(批准号:20130101116JC)资助.
论文部分内容阅读
利用ThT荧光分析法、 透射电子显微镜和圆二色光谱检测αs1-酪蛋白形成淀粉样纤维沉淀(Fibril)的动力学过程, 优化了其形成条件, 研究了Fibril形成的影响因素. 实验结果表明, αs1-酪蛋白在65℃高温下, pH=5-5.4的范围内, 加热144 h以上, 可以形成Fibril. 在此过程中, αs1-酪蛋白的二级结构由α螺旋构象向β折叠构象转变. 甘油磷酸胆碱D6PC可以显著地促进αs1-酪蛋白Fibril的形成, 并呈浓度依赖性, 说明一定条件下蛋白质可能与细胞膜的磷脂之间存在相互作用,
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