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[Effect of Corynebacterium parvum on murine cultured bone marrow cells]
Comptes Rendus Hebdomadaires Des Seances De L'Academie Des Sciences. Serie D: Sciences Naturelles
|January 19, 1976
Abstract:
The administration of Corynebacterium parvum (C. parvum) stimulates in the mouse the bone marrow colony forming cell compartment in two stages. The first stage reaches pic values one day after two consecutive injections and the second, more important stage, reaches a pic at the 9th day which lasts over 27 days. There is no evidence that this effect is related to the liberation of CSF.
Insights
Corynebacterium parvum (C. parvum) administration in mice stimulates bone marrow colony-forming cells in two distinct phases. The second phase, beginning on day 9, shows a significant and prolonged increase in these cells.
Area of Science:
- Immunology
- Hematopoiesis
Context:
- Investigating the immunomodulatory effects of bacterial components.
- Understanding the impact of Corynebacterium parvum on hematopoietic stem cells.
Purpose:
- To elucidate the temporal effects of Corynebacterium parvum administration on bone marrow colony-forming cells in mice.
- To characterize the distinct stages of bone marrow stimulation.
Summary:
- Corynebacterium parvum (C. parvum) administration induces a biphasic stimulation of mouse bone marrow colony-forming cells.
- An initial peak occurs one day post-injection, followed by a more substantial and sustained peak starting on day 9, lasting over 27 days.
- The observed stimulation is not attributed to the release of colony-stimulating factors (CSF).
Impact:
- Provides insights into the mechanisms of C. parvum-induced hematopoiesis.
- Highlights the prolonged effect of C. parvum on bone marrow progenitor cells.
- Suggests C. parvum as a potential agent for modulating hematopoietic responses.