Mechanisms of Participation of the Urokinase Receptor in Directed Axonal Growth

Klimovich, P.; Semina, E.

Авторы: Polina Klimovich, Ekaterina Semina
Журнал: Molecular Biology
Том: 54
Номер: 1
Год издания: 2020
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 89
Последняя страница: 98
DOI: 10.1134/S0026893320010094
Аннотация: The degradation of the extracellular matrix plays an important role in the processes of morphogenesis, angio- and neurogenesis, wound healing, inflammation, carcinogenesis and others. The urokinase receptor uPAR is an important participant in processes that regulate extracellular proteolysis, cell adhesion to the extracellular matrix, cell migration along the chemokine gradient, proliferation and survival involving growth factor receptors. The presence of the GPI anchor and the absence of transmembrane and cytoplasmic domains in uPAR promote involvement of membrane partners for the realization of uPAR signal effects. In some studies, involvement of the fMLP chemokine receptor FPRL in the regulation of uPAR-dependent directed migration has been shown. Moreover, the migration of neural progenitors and their maturation into neurons during the formation of brain structures are regulated by chemokine receptors. Despite the data on the role of uPAR in the processes of morphogenesis, little is known about the interactions between uPAR and chemokine receptors in guidance processes during nerve growth and regeneration. In the present work, it was shown for the first time that the soluble form of uPAR (suPAR) regulates the trajectory of axon outgrowth, and this effect does not depend on the presence of urokinase. It was also shown that regulation of the directed axon growth is based on the interaction of suPAR with the chemokine receptor FPRL1. These data show new mechanisms for the participation of the urokinase system in the regulation of axon guidance
Добавил в систему: Климович Полина Сергеевна

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