期刊
FRONTIERS IN MOLECULAR NEUROSCIENCE
卷 15, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fnmol.2022.947513
关键词
homocysteine; folate; vitamin B12; autism spectrum disorder; biomarkers
资金
- National Nature Science Foundation of China [81902162, U21A20347]
- Swedish Research Council [2018-02267]
- Swedish governmental grants [ALFGBG-965197]
- Henan Provincial Science and Technology Department [222102310161, 182102310688, 202102310221]
- Henan Province Medical Research Project [LHGJ20190349]
Evidence suggests that dysregulation of homocysteine is associated with autism spectrum disorder (ASD). High levels of homocysteine are found in children with ASD compared to healthy controls, and homocysteine can be a diagnostic biomarker for ASD. Low levels of folate and vitamin B12 are also associated with poor clinical profiles in children with ASD.
Evidence is emerging that dysregulation of circulating concentrations of homocysteine, an important intermediate in folate and vitamin B12 metabolism, is associated with autism spectrum disorder (ASD), but comprehensive assessments and correlations with disease characteristics have not been reported. Multivariate ordinal regression and restricted cubic spline (RCS) models were used to estimate independent correlations between serum homocysteine, folate, and vitamin B12 levels and clinical outcomes and severity of children with ASD. After adjusting for confounding factors, serum homocysteine levels were significantly higher in children with ASD than in healthy controls (beta: 0.370; 95% CI: 0.299 similar to 0.441, p < 0.001). Moreover, homocysteine had a good diagnostic ability for distinguishing children with ASD from healthy subjects (AUC: 0.899, p < 0.004 The RCS model indicated a positive and linear association between serum homocysteine and the risk of ASD. The lowest quartile of folate was positively associated with ASD severity (OR: 4.227, 95% CI: 1.022 similar to 17.488, p = 0.041) compared to the highest quartile, and serum folate showed a negative and linear association with ASD severity. In addition, decreased concentrations of folate and vitamin B12 were associated with poor adaptive behavior developmental quotients of the Gesell Developmental Schedules (p < 0.05). Overall, an increased homocysteine level was associated with ASD in a linear manner and is thus a novel diagnostic biomarker for ASD. Decreased concentrations of folate and vitamin B12 were associated with poor clinical profiles of children with ASD. These findings suggest that homocysteine-lowering interventions or folate and vitamin B12 supplementation might be a viable treatment strategy for ASD.
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