• HOME
  • NEWS
    • BIOENGINEERING
    • SCIENCE NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • FORUM
    • INSTAGRAM
    • TWITTER
  • CONTACT US
Thursday, August 11, 2022
BIOENGINEER.ORG
No Result
View All Result
  • Login
  • HOME
  • NEWS
    • BIOENGINEERING
    • SCIENCE NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
        • Lecturer
        • PhD Studentship
        • Postdoc
        • Research Assistant
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • FORUM
    • INSTAGRAM
    • TWITTER
  • CONTACT US
  • HOME
  • NEWS
    • BIOENGINEERING
    • SCIENCE NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
        • Lecturer
        • PhD Studentship
        • Postdoc
        • Research Assistant
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • FORUM
    • INSTAGRAM
    • TWITTER
  • CONTACT US
No Result
View All Result
Bioengineer.org
No Result
View All Result
Home NEWS Science News

Zika-linked birth defects more extensive than previously thought, UCLA-led research finds

Bioengineer by Bioengineer
December 16, 2016
in Science News
0
Share on FacebookShare on TwitterShare on LinkedinShare on RedditShare on Telegram

New UCLA-led research finds that Zika-linked abnormalities that occur in human fetuses are more extensive — and severe — than previously thought, with 46 percent of 125 pregnancies among Zika-infected women resulting in birth defects in newborns or ending in fetal death.

The study, published in the New England Journal of Medicine, suggests that damage during fetal development from the mosquito-borne virus can occur throughout pregnancy and that other birth defects are more common than microcephaly, when babies are born with very small heads. Further, these defects may only be detected weeks or months after the baby is born, said Dr. Karin Nielsen, the study's senior author and a professor of clinical pediatrics in the division of pediatric infectious diseases at the David Geffen School of Medicine at UCLA and Mattel Children's Hospital.

"This means that microcephaly is not the most common congenital defect from the Zika virus," Nielsen said. The absence of that condition does not mean the baby will be free of birth defects, she added, because "there are problems that are not apparent at birth" and such difficulties may not be evident until the age of six months.

"These are sobering results," Nielsen said.

The results are a follow-up to a smaller Brazilian study published in March that used molecular testing to find an association between Zika infection in pregnant women and a series of serious outcomes that included fetal deaths (miscarriages and stillbirths), abnormal fetal growth and damage to the central nervous system. This is the largest study to date of Zika-affected pregnancies in which the women were followed from the time they were infected to the end of their pregnancies. All the women were enrolled before any abnormalities in their pregnancies had been identified.

The new study was based on a larger sample size of 345 women in Rio de Janeiro, Brazil, who were enrolled from September 2015 through May 2016. Of those women, 182, or 53 percent, tested positive for Zika in the blood, urine or both. In addition, 42 percent of the women who did not have Zika were found to be infected with chikungunya, another mosquito-borne virus; 3 percent of Zika-positive women also had chikungunya.

From there, the researchers evaluated 125 women infected with Zika and 61 who were not infected with the virus who had given birth by July 2016. The previous study was based mainly on prenatal ultrasound findings; by contrast, the current research evaluated infants from Zika-affected pregnancies through physical examination and brain imaging. Among the findings:

  • There were nine fetal deaths among women with Zika infection during pregnancy, five of those in the first trimester.
  • Fetal deaths or abnormalities in the infants were present in 46 percent of Zika-positive women, contrasted with 11.5 percent of Zika-negative women.
  • Forty-two percent of infants born to the Zika-infected mothers were found to have microcephaly, brain lesions or brain calcifications seen in imaging studies, lesions in the retina, deafness, feeding difficulties and other complications.

The risks occurred at all stages of pregnancy: 55 percent of pregnancies were affected in the first trimester, 51 percent in the second trimester and 29 percent in the third trimester.

The researchers noted that they examined the babies during their early infancy, when "more subtle neurologic manifestations of disease are not identified." So follow-up examinations could turn up evidence of more neurologic diseases that couldn't be detected earlier in the babies' lives.

"Our data show that the risk of severe adverse pregnancy and infant outcomes after maternal Zika infection was substantial," the authors wrote.

###

Supporting the study were the Departamento de Ciência e Tecnologia do Ministério da Saúde do Brasil; Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES/ 88887.116627/2016-01,) and the National Institute of Allergy and Infectious Diseases/National Institutes of Health grant AI AI28697.

Media Contact:
Enrique Rivero
310-267-7120
[email protected]

Media Contact

Enrique Rivero
[email protected]
310-267-7120
@uclahealth

http://www.uclahealth.org/

############

Story Source: Materials provided by Scienmag

Share12Tweet7Share2ShareShareShare1

Related Posts

Dr. Yasser Sabr and Dr. Cristina Skrypnyk

Middle East experts blaze new trail to speak at the 17th International Conference on Genomics in Reproductive Health | BGI Update

August 11, 2022
Bioengineered cornea

Bioengineered cornea can restore sight to the blind and visually impaired

August 11, 2022

Meteorite provides record of asteroids “spitting out” pebbles

August 11, 2022

The formation of a super strong Mongolian cyclone and its contributing factors

August 11, 2022
Please login to join discussion

POPULAR NEWS

  • Picture of the horse specimen.

    Ancient DNA clarifies the early history of American colonial horses

    56 shares
    Share 22 Tweet 14
  • The pair of Orcas deterring Great White Sharks – by ripping open their torsos for livers

    66 shares
    Share 26 Tweet 17
  • Fatigue, headache among top lingering symptoms months after COVID

    40 shares
    Share 16 Tweet 10
  • Ill-fated ‘Into the Wild’ adventurer was victim of unfortunate timing, Oregon State study suggests

    39 shares
    Share 16 Tweet 10

About

We bring you the latest biotechnology news from best research centers and universities around the world. Check our website.

Follow us

Tags

WeaponryVirologyVaccineZoology/Veterinary ScienceVehiclesUrbanizationVirusVaccinesUniversity of WashingtonWeather/StormsUrogenital SystemViolence/Criminals

Recent Posts

  • Middle East experts blaze new trail to speak at the 17th International Conference on Genomics in Reproductive Health | BGI Update
  • Bioengineered cornea can restore sight to the blind and visually impaired
  • Meteorite provides record of asteroids “spitting out” pebbles
  • The formation of a super strong Mongolian cyclone and its contributing factors
  • Contact Us

© 2019 Bioengineer.org - Biotechnology news by Science Magazine - Scienmag.

No Result
View All Result
  • Homepages
    • Home Page 1
    • Home Page 2
  • News
  • National
  • Business
  • Health
  • Lifestyle
  • Science

© 2019 Bioengineer.org - Biotechnology news by Science Magazine - Scienmag.

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In