Affiliation:
1. College of Life Science, Shanghai University, Shanghai, China
Abstract
Background:
CD28, a cell surface glycoprotein receptor, predominantly expressed on activated
T cells, belongs to the Ig superfamily and provides a critical co-stimulatory signal. CTLA-4 has
sequence homology to CD28, and is expressed on T cells after activation. It provides an inhibition
signal coordinated with CD28 to regulate T cell activation. Both of them regulate T cell proliferation
and differentiation and play an important role in the immune response pathway in vivo.
Objective:
We studied the special role of different structural sites of CD28 in producing costimulatory
signals.
Methods:
We reviewed the relevant literature, mainly regarding the structure of CD28 to clarify its
biological function, and its role in the immune response.
Results:
In recent years, increasingly attention has been paid to CD28, which is considered as a key
therapeutic target for many modern diseases, especially some immune diseases.
Conclusion:
In this paper, we mainly introduce the structure of CD28 and its related biological functions,
as well as the application of costimulatory pathways targeting CD28 in disease treatment.
Funder
National Key Research and Development Program of China
National Natural Science Foundation of China
Publisher
Bentham Science Publishers Ltd.
Subject
Clinical Biochemistry,Drug Discovery,Pharmacology,Molecular Medicine
Cited by
17 articles.
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