May 9, 2016
(UPI) -The terrible birth defects caused by Zika virus appear to be the result of an immune system response that triggers prenatal brain cell suicide and obstructs fetal brain development, a new lab study reports. The virus apparently activates an immune receptor called TLR3, which the body uses to identify and defend against invading viruses, said lead researcher Tariq Rana. He is a professor of pediatrics and genetics at the University of California, San Diego.
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