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Sodium caseinate induces mouse granulopoiesis
V Domínguez-Melendez1, O Silvestre-Santana, L Moreno-Fierros
1Laboratorio de Hematopoyesis y Leucemia, UNAM, Mexico, D.F., Mexico.
Summary
Sodium caseinate (CasNa) stimulates granulopoiesis and enhances granulocyte function in vivo. This suggests CasNa may activate the innate immune system, promoting granulocyte production and activity.
Area of Science:
- Immunology
- Hematology
Background:
- Sodium caseinate (CasNa) is known to induce granulocyte differentiation and M-CSF production in vitro.
- The in vivo effects of CasNa on granulocyte proliferation and activation remain largely unexplored.
Purpose of the Study:
- To investigate the in vivo induction of granulopoiesis by CasNa.
- To evaluate the activation of granulocytes in mice treated with CasNa.
Main Methods:
- BALB/c mice were treated with CasNa intraperitoneally.
- Granulocyte proliferation was assessed via flow cytometry (BrdU incorporation).
- Granulocyte activation was measured by phagocytic indices and cytokine levels (G-CSF, GM-CSF) using ELISA.
Main Results:
- CasNa significantly increased bone marrow granulopoiesis (BrdU+/Gr-1+ cells).
- Generated granulocytes exhibited enhanced phagocytic activity.
- Serum levels of G-CSF and GM-CSF, and bone marrow G-CSF, were significantly elevated.
Conclusions:
- CasNa administration in vivo promotes granulopoiesis.
- The induced granulocytes are functionally active, demonstrating increased phagocytosis.
- CasNa shows potential as an activator of the innate immune system.
