22/07/2025
Le corps humain ne nous a pas encore tout dévoilé. ...
Lungs: Your Lungs Do More Than Breathe — They Make Blood! Analysis by Hashem Al-Ghaili
In a discovery that reshapes what we thought we knew about the human body, scientists have found that lungs help produce blood — a lot of it.
🔬 The Surprising Science
A study on mice by UCSF researchers revealed that lungs generate over 10 million platelets every hour, challenging the old idea that blood is only made in the bone marrow.
💡 Hidden Stem Cell Reservoir
Even more shocking? The lungs contain a previously unknown reserve of blood stem cells — opening new doors for treating blood disorders.
👀 How They Found It
Using cutting-edge two-photon imaging, scientists tracked glowing platelets moving through the lungs in real time. The result? A whole new appreciation for this multitasking organ.
As UCSF’s Dr. Mark R. Looney puts it:
"This finding reshapes our understanding of the lungs, showing they're not just for respiration, but also vital for blood production."
Photo Credit/ Source: Lefrançais, E., Ortiz-Muñoz, G., Caudrillier, A. et al. The lung is a site of platelet biogenesis and a reservoir for haematopoietic progenitors. Nature 544, 105–109
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