Role of Oxidative Stress and Antioxidants in Autism

Thamilarasan Manivasagam, Selvaraj Arunadevi, Mustafa Mohamed Essa, Chidambaram SaravanaBabu, Anupom Borah, Arokiasamy Justin Thenmozhi*, M. Walid Qoronfleh

*المؤلف المقابل لهذا العمل

نتاج البحث: Chapter

54 اقتباسات (Scopus)


Autism spectrum disorder (ASD) is a heterogeneous group of neurodevelopmental disorders with poorly understood etiology that are defined exclusively on the basis of behavioral observations. This disorder has been linked to increased levels of oxidative stress and lower antioxidant capacity. Oxidative stress in autism has been studied at the membrane level and also by measuring products of lipid peroxidation, detoxifying agents (such as glutathione), and antioxidants involved in the defense system against reactive oxygen species (ROS). Several studies have suggested alterations in the activities of antioxidant enzymes such as superoxide dismutase, glutathione peroxidase, and catalase in autism. Additionally, altered glutathione levels and homocysteine/methionine metabolism, increased inflammation, excitotoxicity, as well as mitochondrial and immune dysfunction have been suggested in autism. Moreover, environmental and genetic risk factors may intensify vulnerability to oxidative stress in autism. Collectively, these studies suggest increased oxidative stress in autism that may contribute to the development of this disease both in terms of pathogenesis and clinical symptoms. Antioxidant supplementation, or ways to improve the altered metabolite levels in the interconnected transmethylation and transsulfuration pathways, has been associated with decreased autistic behaviors and severity. This chapter provides a conceptual framework on oxidative stress and antioxidants utility. These types of interventions should be further studied in order to determine their effectiveness at improving metabolic imbalances.

اللغة الأصليةEnglish
عنوان منشور المضيفAdvances in Neurobiology
عدد الصفحات14
المعرِّفات الرقمية للأشياء
حالة النشرPublished - 2020
منشور خارجيًانعم

سلسلة المنشورات

الاسمAdvances in Neurobiology
مستوى الصوت24
رقم المعيار الدولي للدوريات (المطبوع)2190-5215
رقم المعيار الدولي للدوريات (الإلكتروني)2190-5223

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