Perinatal morphine exposure induces chromatin and transcriptomic remodeling to alter immune and metabolic function - Report - MDSpire

Perinatal morphine exposure induces chromatin and transcriptomic remodeling to alter immune and metabolic function

  • By

  • Julia R. Ferrante

  • Yanmiao Du

  • Xin Zhang

  • Jacob D. Neice

  • Wei Wang

  • Chang Lu

  • Julie A. Blendy

  • July 6, 2026

  • 0 min

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Clinical Report: Perinatal Exposure to Morphine Alters Chromatin Structure

Overview

This study investigates the long-term effects of perinatal opioid exposure on gene expression and immune function using a mouse model of Neonatal Opioid Withdrawal Syndrome (NOWS). Findings indicate that morphine exposure leads to significant changes in chromatin structure and gene expression, particularly affecting immune and metabolic pathways.

Background

The opioid epidemic has significant implications for pregnant women and their infants, with increasing rates of Neonatal Opioid Withdrawal Syndrome (NOWS). Understanding the effects of perinatal opioid exposure is crucial, as it may lead to cognitive and behavioral deficits in affected children. This study aims to elucidate the molecular mechanisms underlying these developmental consequences.

Data Highlights

No numerical data or trial data provided in the source material.

Key Findings

  • Perinatal morphine exposure alters chromatin structure in hypothalamic neurons.
  • Different genes related to immune and metabolic pathways were differentially expressed in morphine-exposed mice.
  • Transcription factor 4 (TCF4) was identified as a key regulatory hub under immune-challenged conditions.
  • Cytokine levels were suppressed in morphine-exposed mice both at baseline and during immune challenges.
  • Physiological changes included alterations in weight and basal body temperature in morphine-exposed mice.

Clinical Implications

These findings indicate potential lasting changes due to perinatal opioid exposure, which may influence immune and metabolic functions.

Conclusion

The study provides insights into the consequences of perinatal opioid exposure.

Related Resources & Content

  1. JAMA Network Open, 2023 -- Limbic System Microstructure in Neonates With Antenatal Opioid Exposure
  2. JAMA Network Open, 2023 -- Antenatal Opioid Exposure and Cerebral Cortical Maturation in Newborns
  3. Frontiers in Endocrinology, 2026 -- Maternal high-fat diet exposure is associated with altered hypothalamic microglial development
  4. CDC, 2026 -- Treat and Manage Infants Affected by Prenatal Opioid Exposure
  5. Frontiers in Immunology — Early Maternal Obesity Shapes Offspring Development through Immune Mechanisms: A Systematized Review
  6. Eat, Sleep, Console Approach or Usual Care for Neonatal Opioid Withdrawal
  7. Treat and Manage Infants Affected by Prenatal Opioid Exposure | Opioid Use During Pregnancy | CDC
  8. Accelerated Weaning of Opioids to Reduce Pharmacologic Exposure for Neonatal Opioid Withdrawal Syndrome: A Randomized Clinical Trial - PubMed
  9. Neurodevelopmental outcomes of prenatal opioid exposure and neonatal opioid withdrawal syndrome: A systematic review from birth to early adulthood - PubMed
  10. Epigenome-wide association study of placental co-methylated regions in newborns for prenatal opioid exposure | Environmental Epigenetics | Oxford Academic

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