芝加哥大学的一项新研究结合了两种强大的成像技术来研究普通aGPCR的完整结构，包括其长而复杂的细胞外区域如何与嵌入细胞表面的跨膜区域相互作用。细胞外区域的不同位置和运动似乎是激活受体的重要途径。芝加哥大学生物化学和分子生物学副教授，这项新研究的资深作者Demet Araç博士说：“这为粘附GPCRs的药物治疗开辟了新的机会，因为现在我们发现细胞外区域与跨膜区域进行通信。” ...

The annual trade volume between the mainland and Macao increased from 4.87 billion yuan in 1999 to 27.01 billion yuan in 2023 ...

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In the run-up to the 2018 mid-term elections, then-President of the US Donald J Trump began to ratchet up the intensity of both his rhetoric and policies targeting China – more specifically, the US-Ch ...

研究显示，经过中位14.4个月的随访，在标准化疗方案上加用卡瑞利珠单抗的患者，其病理学完全缓解率为56.8%，显著优于对照组的44.7%，绝对获益高达12.1%，达到预设的统计学检验标准。

Psychologically, every choice you make can be considered a trade-off because every time you make a choice, you are giving up ...