The odyssey of cGAS: From cytosol to nucleus.

Wenzhuo Hao, Wenjun Li, Lingyan Wang, Shitao Li

Cytokine & growth factor reviews 2023 Dec

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The cyclic GMP-AMP synthase (cGAS) is a widely recognized pattern recognition receptor responsible for detecting pathogenic DNA in the cytosol and inducing the production of type I interferon (IFN) to combat infections. The recently discovered nuclear localization of cGAS has changed the old dogma, illuminated a captivating dimension of innate immunity, and sparked many fundamental questions beyond the field of immunology. This review explores cGAS nuclear localization models, activation mechanisms, and biological significance. This expansion challenges the conventional understanding of cGAS and opens new avenues for scientific exploration, promising insights into cellular surveillance and potentially unveiling new therapeutic targets for immune disorders. Copyright © 2023 The Authors. Published by Elsevier Ltd.. All rights reserved.