Sep 26, 2019

Serum microRNAs in ASD: Association With Monocyte Cytokine Profiles and Mitochondrial Respiration

Frontiers in Psychiatry
H JyonouchiRichard E Frye

Abstract

Our previous research has shown that purified peripheral blood monocytes (PRMo) from individuals who are diagnosed with autism spectrum disorders (ASDs) and have innate immune abnormalities reveal altered interleukin-1ß (IL-1ß)/IL-10 ratios. We also found, in separate studies, that microRNA (miRNA) expression in PBMo and mitochondrial respiration in peripheral blood mononuclear cells (PBMCs) differed in the IL-1ß/IL-10-based ASD subgroups. This study explored whether serum miRNAs are associated with both altered innate immune responses and changes in mitochondrial respiration as a link of regulatory mechanisms for these two common abnormalities in ASD subjects. Serum miRNA levels were examined by high-throughput deep sequencing in ASD and non-ASD control sera with concurrent measurement of PBMo cytokine production and mitochondrial respiration by PBMCs. ASD samples were examined as a whole group and with respect to the previously defined IL-1ß/IL-10-based ASD subgroups (high, normal, and low groups). Serum miRNA levels differed between the overall ASD sera (N = 116) and non-ASD control sera (N = 35) and also differed across the IL-1ß/IL-10-based ASD subgroups. Specifically, miRNA levels were increased and decreased in eight and...Continue Reading

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Mentioned in this Paper

Biological Markers
Interleukins
Study
Immune Response
Research
Mononuclear Cells
Tumor Necrosis Factor-alpha
Peripheral Blood
Mitochondrial Inheritance
Interleukin-1

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