Biomedical Laboratory Science

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Showing posts with label TORCH. Show all posts
Showing posts with label TORCH. Show all posts

Saturday, September 3, 2016

Zika Virus — Reigniting The TORCH

The recent association between Zika virus (ZIKV) infection during pregnancy and fetal microcephaly has led to a renewed interest in the mechanisms by which vertically transmitted microorganisms reach the fetus and cause congenital disease. In this Opinion article, we provide an overview of the structure and cellular composition of the human placenta and of the mechanisms by which traditional 'TORCH' pathogens (Toxoplasma gondii, other, rubella virus, cytomegalovirus and herpes simplex virus) access the fetal compartment. Based on our current understanding of ZIKV pathogenesis and the developmental defects that are caused by fetal ZIKV infection, ZIKV should be considered a TORCH pathogen and future research and public health measures should be planned and implemented accordingly.

Zika virus (ZIKV), a member of the Flaviviridae family of RNA viruses, was first isolated in the Zika forest in Uganda in 1947.


Routes used by TORCH pathogens to overcome the placental barrier. Vertical
transmission and congenital disease induced by ZIKV.

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