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Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats
Published on: November 20, 2015
Prematurity--another example of perinatal metabolic programming?
P L Hofman1, F Regan, W S Cutfield
1Liggins Institute, University of Auckland, Auckland, New Zealand. p.hofman@auckland.ac.nz
Insights
Premature infants, like those born small for gestational age (SGA), exhibit reduced insulin sensitivity. This early metabolic abnormality, linked to adverse perinatal environments, may persist into adulthood, increasing disease risk.
Area of Science:
- Neonatal research
- Metabolic health
- Endocrinology
Background:
- Low birth weight is linked to adult diseases like type 2 diabetes mellitus and insulin resistance.
- Adverse perinatal environments may cause permanent reductions in insulin sensitivity, impacting adult health.
- Insulin sensitivity reduction is documented in term, small for gestational age (SGA) individuals from childhood to adulthood.
Purpose of the Study:
- To investigate metabolic abnormalities in premature infants.
- To determine if premature infants exhibit similar metabolic issues as term SGA infants.
- To assess if these abnormalities are independent of gestational age (SGA or AGA).
Main Methods:
- Analysis of metabolic data from premature infants.
- Comparison of metabolic profiles between premature and term SGA infants.
- Evaluation of metabolic status irrespective of SGA or appropriate for gestational age (AGA) classification.
Main Results:
- Premature infants demonstrate metabolic abnormalities.
- These abnormalities are comparable to those seen in term SGA children.
- Metabolic issues in premature infants occur regardless of SGA or AGA status.
Conclusions:
- Premature birth into an adverse neonatal environment is associated with metabolic abnormalities.
- These findings suggest early metabolic dysfunction in premature infants, similar to SGA infants.
- Metabolic health in premature infants warrants further investigation for long-term implications.
Abstract:
Low birth weight is associated with both later adult diseases such as type 2 diabetes mellitus and a number of metabolic abnormalities, the foremost of which is insulin resistance. Indeed the link between an adverse perinatal environment, manifested by low birth weight, and adult life pathology may be an early, permanent reduction in insulin sensitivity. A reduction in insulin sensitivity has been demonstrated in small for gestational age (SGA), term subjects from childhood through to adulthood. Less is known about children born premature into an adverse neonatal environment. We present data demonstrating that premature infants also have metabolic abnormalities similar to those observed in term, SGA children and that these occur irrespective of whether they are SGA or appropriate for gestational age (AGA).
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