NIH-funded research R01 grant

How the placenta affects insulin during pregnancy

Official title: Placental miRNAs paracrine and endocrine roles in insulin sensitivity in pregnancy

Funded at Tufts Medical Center · NIH-11139571 · Data updated 2026-11-12

This research explores how tiny molecules from the placenta might control how a mother's body uses insulin during pregnancy.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionTufts Medical Center
NIH-funded
Lab location1 site (Boston, United States)
Project startAugust 16, 2022
Project endJuly 31, 2027
Funding year2025
Award (this year)$450,060
NIH project number5R01HD109206-04
Project IDNIH-11139571 on NIH RePORTER

Who could benefit from this research

Could help

This research is foundational for understanding insulin regulation in all pregnant individuals, especially those at risk for or experiencing gestational diabetes.

Less likely to help

Patients who are not pregnant or do not have conditions related to insulin sensitivity in pregnancy would not directly benefit from this specific research.

What this research studies

During pregnancy, a mother's body naturally becomes less sensitive to insulin to help feed the baby. However, if this change is too much, it can lead to problems like gestational diabetes, which can affect both mother and baby. We believe that certain small molecules, called microRNAs, produced by the placenta might be key players in regulating this process. This project aims to understand how these placental microRNAs work to influence a mother's insulin sensitivity throughout pregnancy. By uncovering these mechanisms, we hope to find new ways to prevent or manage gestational diabetes.

Why it matters

Potential benefit: If successful, this work could lead to new ways to predict, prevent, or treat gestational diabetes, improving health for mothers and babies.

How similar studies have gone: While the specific mechanisms are unknown, previous observations have linked placental microRNAs to maternal insulin sensitivity, providing a foundation for this new exploration.

Where this research is happening

  • Tufts Medical Center
    Boston, United States
    Active

Researchers

  • Principal investigator: O'tierney-Ginn, Perrie F — Tufts Medical Center
  • Study coordinator: O'tierney-Ginn, Perrie F

Related research

Other NIH-funded projects on the same topics.

  • Placental miRNAs and insulin sensitivity in pregnancy

    This grant explores whether tiny molecules from the placenta help control how the mother’s body handles insulin during pregnancy, with potential implications for gestational diabetes.

    NIH research Tufts Medical Center · Boston, United States · NIH-11377301

  • How placental microRNAs affect insulin sensitivity during pregnancy

    This study is looking at how tiny molecules from the placenta might help control blood sugar and insulin levels in pregnant women, especially those at risk for gestational diabetes, to better understand their effects on both mom and baby’s health.

    NIH research Tufts Medical Center · Boston, United States · NIH-10873280

  • How estrogen affects blood vessel development in fetuses and its impact on insulin sensitivity in offspring

    This study is looking at how estrogen helps build tiny blood vessels in unborn babies, using baboons to learn more about how this process might affect insulin and sugar levels, which can be important for preventing type 2 diabetes later in life.

    NIH research University of Maryland Baltimore · Baltimore, United States · NIH-10770987

  • How air pollution during pregnancy affects fetal growth over time

    This study looks at how air pollution affects the growth of babies in the womb during pregnancy, using ultrasound images to track changes over time, and it aims to help expectant parents understand when their babies might be most at risk from pollution.

    NIH research The Emmes Company, LLC · Rockville, United States · NIH-9986964

  • Postoperative Pain Guidelines for Pregnancy: Safer, Patient-Centered Opioid Use

    We’re creating patient-friendly guidelines to help doctors manage pain after delivery and surgery in pregnant people, aiming to reduce opioid overuse and improve safety.

    NIH research University of Michigan at Ann Arbor · Ann Arbor, United States · NIH-11624018

  • HPV and pregnancy risk: a big study following 1,280 pregnancies

    A large pregnancy study at UTMB looks at whether human papillomavirus (HPV) during pregnancy is linked to problems like preterm birth.

    NIH research University of Texas Med Br Galveston · Galveston, United States · NIH-11619930

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.