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Florida State-Johns Hopkins Study Shows Possible Link Between Zika Virus And Birth Defects

Florida State University Professor Hengli Tang discusses new research into the link between Zika virus and birth defects.
Florida State University
/
The Florida Channel
Leon County Judge John Cooper on June 30, 2022, in a screen grab from The Florida Channel.
Florida State University Professor Hengli Tang discusses new research into the link between Zika virus and birth defects.
Credit Florida State University
/
The Florida Channel
Florida State University Professor Hengli Tang discusses new research into the link between Zika virus and birth defects.

Scientists are trying to understand whether and how the Zika virus might be causing birth defects. Now researchers at Florida State University in collaboration with Johns Hopkins, say their work has moved a step closer to determining if there is a link between the virus and microcephaly.

Florida State University Biological Sciences Professor Hengli Tang and Johns Hopkins University Professor of Neurology Guo-Li Ming say they’ve found evidence showing that once the Zika virus reaches the brain of a developing fetus, it infects certain cells, impairing their function. The virus also reproduces faster, Tan says, possibly resulting in birth defects.

“In addition, it will slow down the growth, potentially providing a link to neurological defects, such as micocephaly,” Tang said.

The Zika virus was discovered in the 1940's, and it usually results in flu like symptoms for adults. But recently, it has recently is blamed for causing a spike in the birth defect called microcephaly—babies born with smaller heads and developmental delays. The U.S. Centers for Disease Control is focusing its work in Brazil, which has more than 4,000 suspected and confirmed cases of Zika-linked microcephaly. However scientists have not found any definitive proof the disease is the cause.

“Potentially, this could explain why there is a link to microcephaly," said Guo-Li Ming, professor of neurology at Johns Hopkins University.

"But there is a lot more work needed to show the direct causal effect.”

Brazil has become the epicenter of the outbreak, but Florida now has more than four dozen cases of confirmed infections, including four pregnant women. All of the cases are travel-related.

The Florida State University-Johns Hopkins study is published in the Journal Cell Stem Cell.

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Lynn Hatter is a Florida A&M University graduate with a bachelor’s degree in journalism. Lynn has served as reporter/producer for WFSU since 2007 with education and health care issues as her key coverage areas. She is an award-winning member of the Capital Press Corps and has participated in the NPR Kaiser Health News Reporting Partnership and NPR Education Initiative. When she’s not working, Lynn spends her time watching sci-fi and action movies, writing her own books, going on long walks through the woods, traveling and exploring antique stores. Follow Lynn Hatter on Twitter: @HatterLynn.