Congenital microcephaly: A diagnostic challenge during Zika epidemics

Travel Medicine and Infectious Disease
J L Alvarado-SocarrasAlberto Paniz-Mondolfi

Abstract

The multiple, wide and diverse etiologies of congenital microcephaly are complex and multifactorial. Recent advances in genetic testing have improved understanding of novel genetic causes of congenital microcephaly. The recent Zika virus (ZIKV) epidemic in Latin America has highlighted the need for a better understanding of the underlying pathological mechanisms of microcephaly including both infectious and non-infectious causes. The diagnostic approach to microcephaly needs to include potential infectious and genetic etiologies, as well as environmental in-utero exposures such as alcohol, toxins, and medications. Emerging genetic alterations linked to microcephaly include abnormal mitotic microtubule spindle structure and abnormal function of centrosomes. We discuss the diagnostic challenge of congenital microcephaly in the context of understanding the links with ZIKV emergence as a new etiological factor involved in this birth defect.

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Citations

Sep 27, 2018·Journal of Tropical Pediatrics·Marcela Fandiño-CárdenasJorge L Alvarado-Socarras
Jul 5, 2019·The Medical Journal of Australia·Caitlin L KeighleyGwendolyn L Gilbert
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Jul 6, 2020·Acta Tropica·Tales Fernando da SilvaCintia Lopes de Brito Magalhães

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