Study of CCR Receptor Overexpression in Fetal Microchimeric Cells: Proof of Concept Before a Potential Clinical Trial
The purpose of this study is to describe the transcriptomic profile of foetal cells in post-partum and more specifically to determine which chemokine receptors are overexpressed in foetal cells in post-partum women with wounds To do so, the investigators will isolate foetal cells from the peripheral blood of healthy controls post partum women as well as from post partum women with skin ulcers and then perform RNA sequencing.
⁃ Common criteria :
• Adult women,
• Post-partum: having been pregnant for any length of time,
• Having signed a free and informed consent form,
• Primiparous or multiparous,
• Affiliated to a health insurance
⁃ Patients :
⁃ \- Patients with a venous, diabetic or sickle cell ulcer, or mixed ulcer
⁃ Control group patients :
• Volunteers,
• Age-matched,
• Without skin ulcers.
⁃ There are no specific criteria for children.