ArticleJournal of molecular neuroscience : MN2022
Association of Maternal Diabetes and Autism Spectrum Disorders in Offspring: a Study in a Rodent Model of Autism.
Article in Journal of molecular neuroscience : MN, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 9 citations in OpenAlex.
- Maternal factors contributing to variability in gut microbiota and gastrointestinal function in autism spectrum disorders.World journal of psychiatry · 2025Review
- Prenatal environmental risk factors for autism spectrum disorder and their potential mechanisms.BMC medicine · 2024Review
- Unveiling the influences of prenatal and maternal factors on the journey of an autistic child.Frontiers in psychiatry · 2024Article
- The impact of maternal diabetes on the future health and neurodevelopment of the offspring: a review of the evidence.Frontiers in endocrinology · 2023Review
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The present study investigated that maternal type 1 diabetes may contribute to autism pathogenesis in offspring, and that insulin therapy during pregnancy may prevent the onset of autism. As evidenced, selected brain biomarkers representing the accepted etiological mechanism of autism in newborn rats from diabetic mothers and diabetic mothers receiving insulin therapy compared to the propionic acid (PPA) rodent model of autism were screened. Female Wistar rats with a controlled fertility cycle were randomly divided into three groups: a control group, a group treated with a single dose of 65 mg/kg streptozotocin (STZ) to induce type 1 diabetes (T1D), and a group treated with a single dose of STZ to induce T1D along with insulin therapy. Neonatal rats from these groups were divided into four experimental groups of six animals each: the control group, oral buffered PPA-treated group administered a neurotoxic dose of 250 mg/kg PPA for 3 days to induce autism, neonatal rats from mothers with T1D, and neonatal rats from mothers with T1D receiving insulin therapy. Biochemical parameters of oxidative stress, neuroinflammation, and glutamate excitotoxicity were examined in brain homogenates from all neonatal rats. The development of pathogenic bacteria was monitored in stool samples from all rat groups. Descriptive analyses of changes in fecal microbiota and overgrowth of Clostridium species were performed in diabetic mothers, diabetic mothers treated with insulin therapy, and their offspring. Clostridium species may induce autism-relevant behaviors in offspring from mothers with T1D. Maternal T1D without insulin therapy increased lipid peroxidation levels, reduced GST activity, and lower offspring' vitamin C and GSH levels. Increased IL-6 levels and reduced GABA levels were detected in brain homogenates from neonatal rats whose mothers had T1D. Interestingly, insulin therapy reduced MDA and IL-6 levels and increased GST, GSH, and vitamin C levels in brain homogenates of neonatal rats from mothers with T1D receiving insulin therapy compared to the PPA-treated group. Based on our results, the PPA-treated group and neonatal rats from mothers with T1D exhibited similar results. These findings suggest that neonatal rats from mothers with T1D may develop autism-relevant biochemical autistic features and that insulin therapy may ameliorate oxidative stress, poor detoxification, inflammation, and excitotoxicity as ascertained mechanisms involved in the etiology of autism.
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