Neonatal Thyroid Stimulating Hormone and Subsequent Diagnosis of Autism Spectrum Disorders and Intellectual Disability

Jennifer L. Ames, Gayle C. Windham, Kristen Lyall, Michelle Pearl, Martin Kharrazi, Cathleen K. Yoshida, Judy Van de Water, Paul Ashwood, Lisa A. Croen

Research output: Contribution to journalArticle

Abstract

Hypothyroid conditions in early life, if left untreated, are associated with adverse neurodevelopmental outcomes, including intellectual disability (ID). However, evidence addressing the role of neonatal thyroid hormone insufficiencies in the altered neurobiology underlying autism spectrum disorders (ASD), particularly among its subphenotypes, is limited. We conducted a population-based, case–control study among a sample of children born during 2000–2003 in Southern California. We examined neonatal thyroid-stimulating hormone (TSH) measured during routine newborn screening among children later diagnosed with ASD (n = 518) or ID (n = 145) and general population (GP) controls (n = 399). TSH was further analyzed in relation to ASD subgroups of intellectual ability and onset type (early-onset ASD vs. ASD with regression) ascertained by expert review of developmental services records. Odds ratios (ORs) of the differences in TSH between groups were obtained from multivariate logistic regression. We examined neonatal TSH as continuous (ln-transformed) and as quartiles. We found no association between continuous neonatal TSH levels and ASD (adj-OR: 1.00, 95% CI: 0.79–1.26) nor ID (adj-OR = 1.01, 95% CI: 0.73–1.40). Among ASD subphenotypes, we observed a suggestive inverse trend between ASD with regression and TSH, though the association only reached statistical significance in the highest TSH quartile (adj-OR: 0.50, 95% CI: 0.26–0.98). While there was little evidence that neonatal TSH is related to overall ASD risk, more work is needed to understand the influence of thyroid hormones on ASD subphenotypes. Autism Res 2019.

Original languageEnglish (US)
JournalAutism Research
DOIs
StateAccepted/In press - Jan 1 2019

Fingerprint

Thyrotropin
Intellectual Disability
Odds Ratio
Thyroid Hormones
Autism Spectrum Disorder
Aptitude
Population Control
Neurobiology
Autistic Disorder
Logistic Models
Newborn Infant

Keywords

  • ASD
  • autism
  • intellectual disability
  • neonatal
  • thyroid
  • thyroid-stimulating hormone

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology
  • Genetics(clinical)

Cite this

Ames, J. L., Windham, G. C., Lyall, K., Pearl, M., Kharrazi, M., Yoshida, C. K., ... Croen, L. A. (Accepted/In press). Neonatal Thyroid Stimulating Hormone and Subsequent Diagnosis of Autism Spectrum Disorders and Intellectual Disability. Autism Research. https://doi.org/10.1002/aur.2247

Neonatal Thyroid Stimulating Hormone and Subsequent Diagnosis of Autism Spectrum Disorders and Intellectual Disability. / Ames, Jennifer L.; Windham, Gayle C.; Lyall, Kristen; Pearl, Michelle; Kharrazi, Martin; Yoshida, Cathleen K.; Van de Water, Judy; Ashwood, Paul; Croen, Lisa A.

In: Autism Research, 01.01.2019.

Research output: Contribution to journalArticle

Ames, Jennifer L. ; Windham, Gayle C. ; Lyall, Kristen ; Pearl, Michelle ; Kharrazi, Martin ; Yoshida, Cathleen K. ; Van de Water, Judy ; Ashwood, Paul ; Croen, Lisa A. / Neonatal Thyroid Stimulating Hormone and Subsequent Diagnosis of Autism Spectrum Disorders and Intellectual Disability. In: Autism Research. 2019.
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