Moms-to-be, take note. Liquor during pregnancy may affect health of future generations | fitness | Hindustan Times
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Moms-to-be, take note. Liquor during pregnancy may affect health of future generations

In a study conducted on mice, researchers found that utero ethanol exposure generated neurobiological and behavioural effects in subsequent generations of mice that had no ethanol exposure.

fitness Updated: Jul 08, 2017 15:12 IST
The study found evidence that the effects of prenatal alcohol exposure could persist transgenerationally.
The study found evidence that the effects of prenatal alcohol exposure could persist transgenerationally.

Would-be-moms, here’s another reason to put down that glass of wine or alcohol, as a recent study warns that consuming alcohol during pregnancy can cause abnormalities in the brain and behaviour of the newborn and may also pass on to generations.

The Centers for Disease Control and Prevention (CDC) has issued numerous statements about the dangers of alcohol consumption during pregnancy, as it can lead to Fetal Alcohol Spectrum Disorders (FASD) in newborns.

Lead author Kelly Huffman from the University of California, Riverside, said that prenatal ethanol exposure (PrEE) from maternal consumption of alcohol, was thought to solely impact directly exposed offspring, the embryo or fetus in the womb.

Huffman added that his team has evidence that the effects of prenatal alcohol exposure could persist transgenerationally and negatively impact the next-generations of offspring who were never exposed to alcohol.

The study found that alcohol consumption during pregnancy can cause abnormalities in the brain and behaviour of the newborn and may also pass on to generations.

The researchers explained that utero ethanol exposure generates neurobiological and behavioural effects in subsequent generations of mice that had no ethanol exposure.

To determine whether the abnormalities in brain and behaviour from prenatal ethanol exposure would pass trans-generationally, Huffman generated a mouse model.

The results indicated that as expected, the first generation of mice that was directly exposed showed a typical gene expression, abnormal development of the neural network within the neocortex and behavioral deficits.

However, the main discovery of the research lies in the subsequent, non-exposed generations of mice. These animals had neuro-developmental and behavioural problems similar to the those of the first, directly exposed generation.

“We found that body weight and brain size were significantly reduced in all generations of PrEE animals when compared to controls; all generations of PrEE mice showed increased anxiety-like, depressive-like behaviours and sensory-motor deficits,” Huffman stated.

By gaining an understanding of the neurodevelopmental and behavioural effects of prenatal ethanol exposure that persist across generations, scientists and researchers can begin to create novel therapies and methods of prevention.

The research is published in the journal Cerebral Cortex.

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