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Electronic Journal of Emerging Infectious Diseases ›› 2024, Vol. 9 ›› Issue (2): 68-72.doi: 10.19871/j.cnki.xfcrbzz.2024.02.014

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Research progress on the association between maternal infection in pregnancy and autism in offspring and its mechanism

Tian Liyue1, Fan Meng1, Chen Wenxiong2, Wei Jianrui3, Yin Xuntao1   

  1. 1. Department of Radiology, Women and Children's Medical Center affiliated to Guangzhou Medical University, Guangdong Guangzhou 510020, China;
    2. Department of Neurology, Women and Children's Medical Center affiliated to Guangzhou Medical University, Guangzhou 510020, China;
    3. Guangzhou Key Lab of Child Neurodevelopment, Guangdong Guangzhou 510020, China
  • Received:2023-12-01 Online:2024-04-30 Published:2024-05-22

Abstract: Autism spectrum disorder (ASD) affects 1% of the world's population. It is a severe spectrum of neurodevelopmental disorders characterized by social difficulties, language difficulties, and stereotypical behaviors. These characteristics can appear before the age of three and last a lifetime. At present, the pathogenesis of autism has not been determined. Previous studies have shown that its pathogenesis is related to genetics, maternal pregnancy environment and perinatal immune status. In 1970 Stella proposed that maternal rubella virus infection was associated with autism in offspring. In recent years, there have been repeated studies proving that maternal infection during pregnancy is associated with autism in offspring. Fetal neurodevelopment can be affected in a variety of ways during pregnancy, including active infections and maternal immune response to infections. This article reviews some of the reported infectious factors associated with the etiology of autism, especially maternal infections during pregnancy, including bacterial、viral and toxoplasmosis, and further elaborates the mechanisms associated with different infectious diseases in autistic children.

Key words: Autism spectrum disorder, Infection during pregnancy, Pathogenesis

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