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De Angelis LC, Brigati G, Polleri G, et al. Neonatal Hypoglycemia and Brain Vulnerability. Front Endocrinol (Lausanne). 2021;12:634305doi: 10.3389/fendo.2021.634305.
De Angelis, L. C., Brigati, G., Polleri, G., Malova, M., Parodi, A., Minghetti, D., Rossi, A., Massirio, P., Traggiai, C., Maghnie, M., & Ramenghi, L. A. (2021). Neonatal Hypoglycemia and Brain Vulnerability. Frontiers in endocrinology, 12634305. https://doi.org/10.3389/fendo.2021.634305
De Angelis, Laura Costanza, et al. "Neonatal Hypoglycemia and Brain Vulnerability." Frontiers in endocrinology vol. 12 (2021): 634305. doi: https://doi.org/10.3389/fendo.2021.634305
De Angelis LC, Brigati G, Polleri G, Malova M, Parodi A, Minghetti D, Rossi A, Massirio P, Traggiai C, Maghnie M, Ramenghi LA. Neonatal Hypoglycemia and Brain Vulnerability. Front Endocrinol (Lausanne). 2021 Mar 16;12:634305. doi: 10.3389/fendo.2021.634305. eCollection 2021. PMID: 33796072; PMCID: PMC8008815.
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Front Endocrinol (Lausanne). 2021 Mar 16;12:634305. doi: 10.3389/fendo.2021.634305. eCollection 2021.

Neonatal Hypoglycemia and Brain Vulnerability.

Frontiers in endocrinology

Laura Costanza De Angelis, Giorgia Brigati, Giulia Polleri, Mariya Malova, Alessandro Parodi, Diego Minghetti, Andrea Rossi, Paolo Massirio, Cristina Traggiai, Mohamad Maghnie, Luca Antonio Ramenghi

Affiliations

  1. Neonatal Intensive Care Unit, Department Mother and Child, IRCCS Istituto Giannina Gaslini, Genoa, Italy.
  2. Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy.
  3. Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy.
  4. Neuroradiology Unit, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Giannina Gaslini, Genoa, Italy.
  5. Department of Pediatrics, IRCCS Istituto Giannina Gaslini, Genoa, Italy.

PMID: 33796072 PMCID: PMC8008815 DOI: 10.3389/fendo.2021.634305

Abstract

Neonatal hypoglycemia is a common condition. A transient reduction in blood glucose values is part of a transitional metabolic adaptation following birth, which resolves within the first 48 to 72 h of life. In addition, several factors may interfere with glucose homeostasis, especially in case of limited metabolic stores or increased energy expenditure. Although the effect of mild transient asymptomatic hypoglycemia on brain development remains unclear, a correlation between severe and prolonged hypoglycemia and cerebral damage has been proven. A selective vulnerability of some brain regions to hypoglycemia including the second and the third superficial layers of the cerebral cortex, the dentate gyrus, the subiculum, the CA1 regions in the hippocampus, and the caudate-putamen nuclei has been observed. Several mechanisms contribute to neuronal damage during hypoglycemia. Neuronal depolarization induced by hypoglycemia leads to an elevated release of glutamate and aspartate, thus promoting excitotoxicity, and to an increased release of zinc to the extracellular space, causing the extensive activation of poly ADP-ribose polymerase-1 which promotes neuronal death. In this review we discuss the cerebral glucose homeostasis, the mechanisms of brain injury following neonatal hypoglycemia and the possible treatment strategies to reduce its occurrence.

Copyright © 2021 De Angelis, Brigati, Polleri, Malova, Parodi, Minghetti, Rossi, Massirio, Traggiai, Maghnie and Ramenghi.

Keywords: brain damage; brain energetics; glucose homeostasis; glucose sensing neurons; neonatal hypoglycemia

Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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