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Everything Epigenetics
Don’t understand epigenetics? Don’t worry. There was a time when genetic analysis was hardly known or understood. Now, genetic analysis is performed by thousands of companies and your full genome can be decoded for less than $100. Epigenetics is how your behaviors change your outcome. Epigenetics gives us knowledge on how to change your life, and the ability to read biology to understand your current health status. You ARE in control. Your host, Hannah Went, is here to discuss the insights which can improve your life and health. She is here to bring you Everything Epigenetics, simplified.
Everything Epigenetics
Epigenetic Gestational Age Prediction with Kristine Løkås Haftorn
Determining a newborn's due date traditionally relies on maternal reports of the last menstrual period and ultrasound scans.
These conventional approaches can lead to uncertainties, especially when it comes to identifying deviations from normal fetal development that could impact research into the effects of preterm or post-term births on newborns.
However, researchers, including Kristine Løkås Haftorn, have now developed a more precise method to ascertain newborns' gestational age through analyzing DNA methylation patterns in blood samples, utilizing machine learning.
This is crucial because accurate knowledge of gestational age is fundamental for understanding the risks and implications of preterm and post-term births on infant health.
Moreover, the ability to accurately determine gestational age in utero could revolutionize prenatal care by providing deeper insights into fetal development, potentially allowing for earlier identification of developmental issues and more tailored interventions to support healthy pregnancies.
This breakthrough, driven by machine learning's ability to sift through and interpret complex epigenetic information, underscores the potential of combining technology with biology to enhance our understanding of human development.
In this week’s Everything Epigenetics podcast, I speak with Kristine about epigenetic gestational age prediction, how we can use gestational age clocks to look at developmental timing and how this can improve pregnancies, assisted reproductive technology (ART), and more.
Kristine is particularly interested in epigenetic patterns in newborns, how these patterns are linked to development in the fetus and child, and how they can be affected by various exposures during pregnancy.
In this Everything Epigenetics episode, you’ll learn about:
- DNA methylation's role in fetal development
- Gestational age and how is it linked to fetal development
- Predicting gestational age using epigenetics
- Why determining specific cell types responsible for an association between DNA methylation and a given phenotype important
- How Kristine is adjusting for cell type composition in her work
- What cell-type specific DNA methylation patterns are associated with gestational age
- Nucleated red blood cells
- Why Kristine believes nucleated red blood cells are the main cell type driving the DNAm-GA association
- The poor correlation observed between epigenetic age clocks for newborns and those for adults
- How we can use gestational age clocks to look at developmental timing and how this can improve pregnancies
- Assisted reproductive technology (ART)
- Differences in disease in ART babies and traditional birth babies
- Epigenome-wide association studies of ART
- Investigating CpGs on the X chromosome
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Thank you for joining us at the Everything Epigenetics Podcast and remember you have control over your Epigenetics, so tune in next time to learn more about how to harness this knowledge for your benefit.