Kuang Z, Deng H, Xu L, Hu Q, Cai Y, Wang R, Luo S, Liu T, Hao W

The current protein interaction method is time consuming and cumbersome or the instrument is expensive. A new method that is convenient, fast, and high throughput needs to be studied urgently. The purpose of this study was to establish a homogeneous immunoassay to detect the interaction between insulin-like growth factor-1 receptor-? ...

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(IGF1R-?) and suppressor of cytokine signaling 1 (SOCS1). The recombinant vectors IGF1R-?/pENTER and SOCS1/pENTER were constructed and transfected into 293T cells. Based on homogeneous immunoassay technology, we established a suitable method. The signal intensity in the 293T lysate that overexpressed IGF1R-? and SOCS1, respectively, was compared with the signal intensity in the simultaneous expression of IGF1R-? and SOCS1. The interaction between IGF1R-? and SOCS1 was verified in vitro. The detection system for the interaction between IGF1R-? and SOCS1 was established. Compared with other methods, homogeneous immunoassay has the advantages of being rapid and sensitive, having higher sensitivity, and easy to operate. The interaction between IGF1R-? and SOCS1 was tested to verify the feasibility of this method and prove its practicability and sensitivity. This new method can be used as a high-throughput platform for protein-protein interaction, with the advantages of trace detection, short detective time, and high detective sensitivity.

Date: Aug. 01, 2021

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