细胞通讯中细胞间受体-配体结合动力学的见解

Insights into intercellular receptor-ligand binding kinetics in cell communication.

作者信息

An Chenyi, Wang Xiaohuan, Song Fan, Hu Jinglei, Li Long

机构信息

School of Biology and Engineering, Guizhou Medical University, Guiyang, China.

Department of Cell Biology and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.

出版信息

Front Bioeng Biotechnol. 2022 Jun 28;10:953353. doi: 10.3389/fbioe.2022.953353. eCollection 2022.

Abstract

Cell-cell communication is crucial for cells to sense, respond and adapt to environmental cues and stimuli. The intercellular communication process, which involves multiple length scales, is mediated by the specific binding of membrane-anchored receptors and ligands. Gaining insight into two-dimensional receptor-ligand binding kinetics is of great significance for understanding numerous physiological and pathological processes, and stimulating new strategies in drug design and discovery. To this end, extensive studies have been performed to illuminate the underlying mechanisms that control intercellular receptor-ligand binding kinetics experiment, theoretical analysis and numerical simulation. It has been well established that the cellular microenvironment where the receptor-ligand interaction occurs plays a vital role. In this review, we focus on the advances regarding the regulatory effects of three factors including 1) protein-membrane interaction, 2) biomechanical force, and 3) bioelectric microenvironment to summarize the relevant experimental observations, underlying mechanisms, as well as their biomedical significances and applications. Meanwhile, we introduce modeling methods together with experiment technologies developed for dealing with issues at different scales. We also outline future directions to advance the field and highlight that building up systematic understandings for the coupling effects of these regulatory factors can greatly help pharmaceutical development.

摘要

细胞间通讯对于细胞感知、响应和适应环境线索及刺激至关重要。细胞间通讯过程涉及多个长度尺度,由膜锚定受体和配体的特异性结合介导。深入了解二维受体 - 配体结合动力学对于理解众多生理和病理过程以及推动药物设计和发现的新策略具有重要意义。为此,人们已经进行了广泛的研究,通过实验、理论分析和数值模拟来阐明控制细胞间受体 - 配体结合动力学的潜在机制。已经充分证实,受体 - 配体相互作用发生的细胞微环境起着至关重要的作用。在本综述中,我们聚焦于三个因素的调节作用方面的进展,这三个因素包括:1)蛋白质 - 膜相互作用,2)生物力学力,3)生物电微环境,以总结相关的实验观察结果、潜在机制及其生物医学意义和应用。同时,我们介绍了为处理不同尺度问题而开发的建模方法以及实验技术。我们还概述了该领域未来的发展方向,并强调建立对这些调节因素耦合效应的系统理解能够极大地助力药物研发。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c33f/9273785/033dad0eb46d/fbioe-10-953353-g001.jpg

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