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Peer-reviewedCC BY-NCInternational Journal of Molecular and Cellular Medicine

Oxidative Stress and Antioxidant Vitamin Profile in Term Neonates with Indirect Hyperbilirubinaemia: A Case–Control Study

  • Enas Jabbar Hasan1
  • Abeer J. Hassan2
  • Ammar Adil Jasim3
  1. 1Department of Science, College of Basic Education, University of Al-Mustansiriya, Iraq
  2. 2Institute of Technical Medical Baghdad, Middle Technical University, Iraq
  3. 3Department of Biochemistry, College of Medicine, University of Baghdad,Iraq.
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Abstract

Neonatal indirect hyperbilirubinaemia has been associated with altered redox homeostasis, but the combined pattern of oxidative-stress markers and antioxidant-related vitamins remains uncertain. This study compared these biomarkers between jaundiced and healthy term neonates. This single-centre case–control study included 60 term neonates aged ≤7 days with indirect hyperbilirubinaemia classified according to the 2022 American Academy of Pediatrics guideline and 60 healthy term controls. Case samples were collected before phototherapy. Serum total bilirubin, reduced glutathione (GSH), and vitamins C, E, and D were measured. Lipid peroxidation was assessed using a spectrophotometric thiobarbituric acid-reactive substances assay and reported as malondialdehyde equivalents. Compared with controls, jaundiced neonates had higher total bilirubin (median 18.60 vs 2.17 mg/dL), TBARS (6.23 vs 4.26 nmol MDA equivalents/mL), and vitamin C (0.94 vs 0.63 mg/dL), and lower GSH (228 vs 370 µmol/L), vitamin E (7.75 vs 10.60 mg/L), and vitamin D (8.66 vs 18.55 ng/mL; 59 cases). All differences remained significant after false-discovery-rate correction and adjustment for head circumference and mode of delivery. No within-group correlation remained significant after correction for multiple testing. Indirect hyperbilirubinaemia was associated with higher TBARS, lower GSH, vitamin E, and vitamin D, and higher vitamin C. These findings indicate an altered redox and vitamin profile but do not establish causality or diagnostic utility.

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Cite

BibTeXRIS
BibTeX
@article{hasan2026oxidative,
  title = {{Oxidative Stress and Antioxidant Vitamin Profile in Term Neonates with Indirect Hyperbilirubinaemia: A Case–Control Study}},
  author = {Enas Jabbar Hasan and Abeer J. Hassan and Ammar Adil Jasim},
  journal = {International Journal of Molecular and Cellular Medicine},
  year = {2026},
  month = jun,
  note = {CC BY-NC},
}
RIS
TY  - JOUR
TI  - Oxidative Stress and Antioxidant Vitamin Profile in Term Neonates with Indirect Hyperbilirubinaemia: A Case–Control Study
AU  - Enas Jabbar Hasan
AU  - Abeer J. Hassan
AU  - Ammar Adil Jasim
PY  - 2026
DA  - 2026/06/01
JO  - International Journal of Molecular and Cellular Medicine
AB  - Neonatal indirect hyperbilirubinaemia has been associated with altered redox homeostasis, but the combined pattern of oxidative-stress markers and antioxidant-related vitamins remains uncertain. This study compared these biomarkers between jaundiced and healthy term neonates. This single-centre case–control study included 60 term neonates aged ≤7 days with indirect hyperbilirubinaemia classified according to the 2022 American Academy of Pediatrics guideline and 60 healthy term controls. Case samples were collected before phototherapy. Serum total bilirubin, reduced glutathione (GSH), and vitamins C, E, and D were measured. Lipid peroxidation was assessed using a spectrophotometric thiobarbituric acid-reactive substances assay and reported as malondialdehyde equivalents. Compared with controls, jaundiced neonates had higher total bilirubin (median 18.60 vs 2.17 mg/dL), TBARS (6.23 vs 4.26 nmol MDA equivalents/mL), and vitamin C (0.94 vs 0.63 mg/dL), and lower GSH (228 vs 370 µmol/L), vitamin E (7.75 vs 10.60 mg/L), and vitamin D (8.66 vs 18.55 ng/mL; 59 cases). All differences remained significant after false-discovery-rate correction and adjustment for head circumference and mode of delivery. No within-group correlation remained significant after correction for multiple testing. Indirect hyperbilirubinaemia was associated with higher TBARS, lower GSH, vitamin E, and vitamin D, and higher vitamin C. These findings indicate an altered redox and vitamin profile but do not establish causality or diagnostic utility.
SN  - 2251-9637
SN  - 2251-9645
ER  -