NIH-funded research R01 grant

How excess iron and low oxygen affect pregnancy in people with beta-thalassemia

Official title: Pathological consequences of iron excess and hypoxia in β-thalassemia pregnancy

Funded at University of Florida · NIH-11194518 · Data updated 2026-11-12

Looking at how excess iron and low oxygen in beta-thalassemia affect mothers, placentas, and babies during pregnancy.

More Pregnancy research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Florida
NIH-funded
Lab location1 site (Gainesville, United States)
Project startSeptember 20, 2024
Project endJuly 31, 2029
Funding year2025
Award (this year)$657,000
NIH project number5R01DK137863-02
Project IDNIH-11194518 on NIH RePORTER

Who could benefit from this research

Could help

Pregnant people with beta-thalassemia or those planning pregnancy would be the most relevant population if the work moves toward human studies.

Less likely to help

People without beta-thalassemia or those not pregnant would be unlikely to receive direct benefit from this specific research.

What this research studies

This work uses a mouse model that mimics beta-thalassemia to trace how maternal iron overload and anemia change oxygen and iron balance in the mother, placenta, and fetus. Researchers found iron loading, enlarged placentas, fetal growth restriction, oxidative stress, hypoxia, and DNA changes in fetal brains, even affecting normal fetuses carried by thalassemic mothers. They will expand experiments to identify the molecular pathways behind these changes and to understand how in utero disturbances may affect fetal and postnatal development. The findings aim to point to targets for monitoring or treatments that could reduce risks during thalassemic pregnancies.

Why it matters

Potential benefit: Could lead to better monitoring and treatments to protect mothers and babies during pregnancies affected by beta-thalassemia.

How similar studies have gone: Previous animal studies, including work with Th3/+ mice, have shown similar iron, hypoxia, and growth problems, but direct evidence in pregnant people is limited, so translational steps are still needed.

Where this research is happening

  • University of Florida
    Gainesville, United States
    Active

Researchers

  • Principal investigator: Collins, James F. — University of Florida
  • Study coordinator: Collins, James F.

Related research

Other NIH-funded projects on the same topics.

  • Iron overload and low oxygen in pregnancy with beta-thalassemia

    A patient-friendly look at how excess iron and low oxygen during pregnancy could affect mothers and babies in beta-thalassemia.

    NIH research University of Florida · Gainesville, United States · NIH-11392553

  • Effects of iron overload and low oxygen on pregnancy in women with β-thalassemia

    This study looks at how too much iron and not enough oxygen during pregnancy can affect the health of women with β-thalassemia and their babies, aiming to find ways to make pregnancy safer for them.

    NIH research University of Florida · Gainesville, United States · NIH-11049349

  • How low oxygen in pregnancy changes uterine blood flow

    Researchers are learning how low oxygen during pregnancy changes uterine blood flow and how that can affect pregnant people and their babies.

    NIH research Loma Linda University · Loma Linda, UNITED STATES · NIH-11323619

  • How pregnancy affects blood flow in the uterus and responds to low oxygen levels

    This study looks at how blood flow in the uterus changes during pregnancy, especially when there's less oxygen, like at high altitudes, to help us understand issues like preeclampsia and slow fetal growth, using pregnant sheep to learn more about how certain channels in the blood vessels work.

    NIH research Loma Linda University · Loma Linda, UNITED STATES · NIH-11075270

  • 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

  • Using MRI to measure brain oxygen levels as an early sign of small vessel disease in the brain

    This study is looking at how measuring oxygen levels in the brain with MRI can help spot early signs of small vessel disease, which is linked to memory problems and dementia, especially Alzheimer's, so if you're at risk due to age or high blood pressure, you might be able to participate in MRI scans to learn more about

    NIH research Washington University · Saint Louis, United States · NIH-9960958

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.