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Cesarean section delivery is a risk factor of autism-related behaviors in mice.

ABSTRACT: Cesarean section (C/S) is one way of delivering babies, and is chosen when mothers or babies are facing problems or life-threatening conditions during pregnancy. Many meta-analyses have suggested an etiological relationship between C/S delivery and autism spectrum disorders (ASDs). However, as a risk factor for ASDs, C/S delivery has not yet been well studied. Because C/S deliveries have been increasing, it is very important to investigate the causal association between C/S and ASDs. Here, using three approaches, we showed experimentally that C/S delivery induced ASD-like traits in offspring mice, and that some of these changes were ameliorated by one-time oxytocin (OXT) treatment. Treatment with OXT receptor antagonists before natural delivery also induced ASD-related behaviors. Moreover, wild-type mice born to OXT-KO dams showed similar changes. Thus, insufficient OXT exposure from dams to offspring during delivery may be a trigger for ASD-related behaviors.

SUBMITTER: Nagano M

PROVIDER: S-EPMC8076189 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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Cesarean section delivery is a risk factor of autism-related behaviors in mice.

Nagano Masatoshi M Saitow Fumihito F Higo Shinpei S Uzuki Makoto M Mikahara Yasunori Y Akimoto Toshio T Ozawa Hitoshi H Nishimori Katsuhiko K Suzuki Hidenori H

Scientific reports 20210426 1

Cesarean section (C/S) is one way of delivering babies, and is chosen when mothers or babies are facing problems or life-threatening conditions during pregnancy. Many meta-analyses have suggested an etiological relationship between C/S delivery and autism spectrum disorders (ASDs). However, as a risk factor for ASDs, C/S delivery has not yet been well studied. Because C/S deliveries have been increasing, it is very important to investigate the causal association between C/S and ASDs. Here, using ...[more]

PMID: 33903690

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Project description:BackgroundUp to 40% of women gain excessive weight during pregnancy. Obesity complications and risks in parturient women undergoing cesarean section (CS) with different anesthetic methods remain unknown. This study aimed to assess the safety and risk of obese women undergoing CS delivery with various perioperative anesthetic methods.MethodsSeven hundred ninety parturient women underwent CS under general anesthesia (GA), intraspinal anesthesia including epidural anesthesia (EA) and combined spinal-epidural anesthesia (CSEA). They were divided into morbid (n = 255), severe (n = 274), and non-obesity (n = 261) groups. This study is registered with ClinicalTrials.gov (number NCT03002636).ResultBetween 2013 and 2016, 790 pregnant were assessed. Compared with the non-obesity group, there were significantly more fetal distress and higher body mass index (BMI) in the morbid obesity group (P = .0001 and P = .001, respectively). Significantly more patients showed preeclampsia, multifetation, amniotic fluid abnormality, and high bleeding amounts in the morbid obesity group compared with the non-obesity group (P = .0001, P = .048, P = .017, and P = .018, respectively); more patients were administered EA and GA compared with the non-obesity group (P = .0001 and P = .0001, respectively). More post-anesthesia care unit (PACU) patients were found in the severe obesity group no more than the non-obesity group. Significantly increased anesthesia puncture times for 5 > n ≥ 3 and n ≥ 5 were obtained in the morbid obesity group (P = .0001 and P = .0001, respectively), with more patients in the puncture sitting position, compared with the non-obesity group (P = .0001).ConclusionGA, EA, and CSEA are safe and effective in severely or morbidly obese patients. Morbidly obese parturient show increased likelihood for fetal distress, PACU, sitting position puncture, puncture difficulty, and other pregnancy complications. There were more anesthesia puncture times in morbidly obese patients.

Dataset Information

Cesarean section delivery is a risk factor of autism-related behaviors in mice.

Publications

Cesarean section delivery is a risk factor of autism-related behaviors in mice.

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