Abstract
Zika virus (ZIKV) infection has been associated with severe birth defects, yet the mechanisms underlying its pathogenesis remain poorly understood. In this study, we investigated phosphatidylserine (PS) receptors AXL and TIM-1 and discovered that they promote ZIKV entry but are downregulated by the virus infection. We identified several ZIKV proteins involved in AXL and TIM-1 down-regulation through an autophagy-mediated process. Mechanistically, this loss of surface receptors protects host cells from superinfection and cell death, while dampening the innate immune response, ultimately promoting viral spread. Our results contribute to a better understanding of ZIKV's interactions with host cells and offer insight into viral entry, innate signaling, and pathogenesis.
Published Version
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