Fetal Cell Receptors Repertoire
This study aims to understand how certain cells, transferred from a baby to its mother during pregnancy, might help heal different types of skin wounds. These 'fetal cells' can stay in a mother's body for a long time. Researchers believe these cells might play a role in repairing damaged tissue. We're looking specifically at women who have recently given birth, both those who have common skin ulcers (like leg ulcers caused by poor circulation or diabetes) and those who don't. By studying samples of saliva and blood, and conducting simple examinations, we hope to find out which specific parts of these fetal cells are more active in wound healing. This could lead to new ways to help wounds heal better in the future.
At a glance
What is this study about?
Imagine your body has a natural repair kit that gets a boost during pregnancy. This study is exploring a fascinating idea: that tiny cells from your baby move into your body during pregnancy and can stay there for years, potentially helping to fix damaged tissues. These cells are like special helpers that your body might call upon when you need to heal.
We know that some women develop serious skin wounds, like leg ulcers, which can be hard to heal. These can be caused by various things like diabetes, sickle cell disease, or problems with blood flow. This research wants to see if these 'baby cells' (we call them fetal cells) are more active in women who have these kinds of wounds after giving birth, compared to women who have also given birth but don't have ulcers. By understanding how these cells work, we might discover new ways to help wounds heal faster and better.
To do this, we will be looking closely at the genetic information within these fetal cells from small samples. The ultimate goal is to learn how to encourage these natural repair mechanisms. This could one day lead to safer and more effective treatments for wounds, using your body's own amazing ability to heal itself without needing complicated methods like growing cells in a lab.
Key takeaways
- Researchers are studying 'baby cells' from pregnancy.
- These cells might help mothers heal wounds.
- The study involves giving saliva and blood samples.
- It aims to find new ways to treat difficult skin ulcers.
- Your participation helps to advance medical knowledge.
Who may be eligible?
To be part of this study, you need to be an adult woman who has been pregnant at some point in your life. This includes new mothers, whether it’s your first baby or you’ve had children before.
We are looking for two main groups of women: those who have a skin ulcer (such as a leg ulcer caused by poor circulation, diabetes, or sickle cell disease, or a mixed ulcer), and healthy volunteers who do not have any skin ulcers. The healthy volunteers will be matched by age to the women with ulcers. Everyone taking part must be able to give their full agreement to join the study.
Unfortunately, you cannot take part if you are under 18 years old, are under legal guardianship, or have a weakened immune system for any reason. We also cannot include anyone who is unwilling to provide blood or saliva samples.
Could this study suit you?
Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.
- Are you an adult woman who has been pregnant?
- Do you have a skin ulcer (like on your leg) OR are you a healthy, 'post-partum' woman without ulcers?
- Are you able to agree to take part freely and understand the study?
- Are you NOT currently receiving treatment that weakens your immune system?
What does participation involve?
If you decide to take part in this study, we would ask you to provide a few samples. This would involve giving a small sample of your saliva, which is usually collected by spitting into a tube. You would also need to have a small blood sample taken, similar to a routine blood test.
Alongside collecting these samples, we would have a chat with you to gather some information and perform a simple clinical examination. This examination would be similar to what your doctor might do during a check-up. The study does not involve taking any new medications, and there is no long-term follow-up required after your initial visit and sample collection. The total duration of your involvement would be short, likely limited to one visit for sampling and examination.
Potential risks and benefits
Locations (1)
- Dermatology unit - Cochin Hospital - APHPVerified postcodeParis, France· Recruiting
Common questions
What exactly is a 'fetal cell'?
Fetal cells are tiny cells from your baby that can pass into your bloodstream during pregnancy and may stay in your body for many years after you've given birth.
Why is this study only for women who have been pregnant?
The study focuses on how these special 'baby cells' (fetal cells) might help healing, and these cells are only transferred to mothers during pregnancy. So, we need women with this unique experience.
What kind of skin ulcers are you looking at?
We are interested in several types of difficult-to-heal skin ulcers, including those caused by poor blood circulation in your legs (venous ulcer), diabetes (diabetic ulcer), or sickle cell disease (sickle cell ulcer), as well as mixed ulcers.
Will I get any treatment for my ulcer as part of this study?
No, this is an observational study. You will not receive any new treatments for your ulcer through this research; we are simply studying your cells to understand healing better. You should continue with your current medical care.
How long will my visit for the study take?
Your involvement in the study will likely be for one visit, which will include providing saliva and blood samples, an interview, and a physical examination. We expect this to be relatively short.
How to find out more
Sélim ARACTINGI, MD, PHD
Always speak to your GP or specialist before deciding to take part in a study.
Interested in taking part?
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