Your Entire Immune System Starts with One Cell
William Wallace, Director of Product Development and Scientific Affairs at ProHealth Longevity, posted on X:
”Your entire immune system starts with one cell.
Every red blood cell that carries oxygen
Every platelet that stops a cut from bleeding
Every neutrophil that attacks bacteria
Every T cell that hunts viruses
Every B cell that makes antibodies
All of them come from the same origin: a single pluripotent hematopoietic stem cell hidden inside your bone marrow.
What this stem cell can become
With the right signals from molecules like IL-3, GM-CSF, IL-7, SCF, and others, this stem cell divides and chooses a path:
• Red blood cells to deliver oxygen
• Platelets to form clots
• Neutrophils, eosinophils, and basophils to fight infection
• Monocytes and macrophages to clean up dead cells and debris
• B cells that produce IgG, IgA, IgM, and other antibodies
• T cells that orchestrate your immune defense
• Natural killer cells that recognize and destroy infected or malignant cells
Every branch in the diagram is a decision point based on the chemical signals surrounding the cell.
Why this matters
Your energy, your immunity, your ability to heal, and your resistance to infection depend on how well this system works.
When hematopoiesis is disrupted, it can lead to:
• anemia
• weakened immunity
• autoimmune problems
• slow healing
• susceptibility to infections
• blood cancers
Healthy blood begins with healthy stem cell signaling.
Inside your bone marrow, millions of stem cells are working every minute to build your immune system from scratch.
It is one of the most complex and elegant engineering systems in the human body.”
Stay updated with Hemostasis Today.
-
Jun 29, 2026, 20:09Mamta Soni: The Role of Anti-Xa Monitoring in Anticoagulation Management
-
Jun 29, 2026, 20:07Nita Radhakrishnan: Discussing Risks, Benefits, and Uncertainties in Hemoglobinopathy Care
-
Jun 29, 2026, 20:05Anisha Navkudkar: TMH Blood Centre Received the Ravi Reddy Award 2026 at ISBT Congress
-
Jun 29, 2026, 20:03Anirban Sen Gupta: Congratulations Christopher Delianides for a Fantastic Dissertation and Graduate Research Presentation
-
Jun 29, 2026, 20:01May Guo: Inhibiting Anti-PEG Antibody Binding With Randomized PEG
-
Jun 29, 2026, 15:50Sweta Agrawal: Expanding Care for PNH Patients in Nepal
-
Jun 29, 2026, 15:17Heghine Khachatryan: Hemostasis at the Crossroads of Thrombosis and Bleeding
-
Jun 29, 2026, 15:07Tomaz Crochemore: From Bleeding to Thrombosis – The Era of Precision Hemostatic Medicine Has Arrived
-
Jun 29, 2026, 14:51Pete Stibbs: Building a Successful Venous Thrombectomy Practice