Impact of Zika Virus on adult human brain structure and functional organization

Richard Bido-Medina, Jonathan Wirsich, Minelly Rodríguez, Jairo Oviedo, Isidro Miches, Pamela Bido, Luis Tusen, Peter Stoeter, Sepideh Sadaghiani Friberg

Research output: Contribution to journalArticle

Abstract

Objective: To determine the impact of Zika virus (ZIKV) infection on brain structure and functional organization of severely affected adult patients with neurological complications that extend beyond Guillain-Barré Syndrome (GBS)-like manifestations and include symptoms of the central nervous system (CNS). Methods: In this first case-control neuroimaging study, we obtained structural and functional magnetic resonance images in nine rare adult patients in the subacute phase, and healthy age- and sex-matched controls. ZIKV patients showed atypical descending and rapidly progressing peripheral nervous system (PNS) manifestations, and importantly, additional CNS presentations such as perceptual deficits. Voxel-based morphometry was utilized to evaluate gray matter volume, and resting state functional connectivity and Network Based Statistics were applied to assess the functional organization of the brain. Results: Gray matter volume was decreased bilaterally in motor areas (supplementary motor cortex, specifically Frontal Eye Fields) and beyond (left inferior frontal sulcus). Additionally, gray matter volume increased in right middle frontal gyrus. Functional connectivity increased in a widespread network within and across temporal lobes. Interpretation: We provide preliminary evidence for a link between ZIKV neurological complications and changes in adult human brain structure and functional organization, comprising both motor-related regions potentially secondary to prolonged PNS weakness, and nonsomatomotor regions indicative of PNS-independent alternations. The latter included the temporal lobes, particularly vulnerable in a range of neurological conditions. While future studies into the ZIKV-related neuroinflammatory mechanisms in adults are urgently needed, this study indicates that ZIKV infection can lead to an impact on the brain.

Original languageEnglish (US)
JournalAnnals of Clinical and Translational Neurology
DOIs
StateAccepted/In press - Jan 1 2018

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Peripheral Nervous System
Motor Cortex
Brain
Temporal Lobe
Central Nervous System
Frontal Lobe
Prefrontal Cortex
Neuroimaging
Case-Control Studies
Magnetic Resonance Spectroscopy
Zika Virus
Gray Matter
Zika Virus Infection

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology

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Impact of Zika Virus on adult human brain structure and functional organization. / Bido-Medina, Richard; Wirsich, Jonathan; Rodríguez, Minelly; Oviedo, Jairo; Miches, Isidro; Bido, Pamela; Tusen, Luis; Stoeter, Peter; Friberg, Sepideh Sadaghiani.

In: Annals of Clinical and Translational Neurology, 01.01.2018.

Research output: Contribution to journalArticle

Bido-Medina, Richard ; Wirsich, Jonathan ; Rodríguez, Minelly ; Oviedo, Jairo ; Miches, Isidro ; Bido, Pamela ; Tusen, Luis ; Stoeter, Peter ; Friberg, Sepideh Sadaghiani. / Impact of Zika Virus on adult human brain structure and functional organization. In: Annals of Clinical and Translational Neurology. 2018.
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