Key result
TPO mRNA levels in marrow were higher in thrombocytopenic mice and lower in thrombocytotic mice compared to controls, supporting regulation by platelet demand.
Why the study?
Does platelet count modulate thrombopoietin mRNA levels in mice?
Population
Mice with high, normal, or low platelet counts
Comparison
Alteration of platelet counts vs Control mice with normal platelet counts
Design
Preclinical
Authors
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Supports TPO mRNA regulation by platelet demand in mice; leaves open human translation and clinical relevance.
Does platelet count modulate thrombopoietin mRNA levels in mice?
Thrombopoietin levels appear to be regulated, at least in part, by modulating mRNA levels in the marrow and spleen in response to platelet demand.
McCarty et al. (1995) studied Platelet demand (thrombocytopenia and thrombocytosis). Altered platelet counts (thrombocytopenia or thrombocytosis) vs. Control mice (normal platelet counts) was evaluated on TPO mRNA levels in selected organs (liver, kidney, marrow, spleen). TPO mRNA levels in marrow were higher in thrombocytopenic mice and lower in thrombocytotic mice compared to controls, supporting regulation by platelet demand.
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