Hematological Findings in Non-Treated and gamma-Irradiated Mice Deficient for MIC-1/GDF15

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Publikace nespadá pod Pedagogickou fakultu, ale pod Lékařskou fakultu. Oficiální stránka publikace je na webu muni.cz.
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HOFER M. HOFEROVA Z. REMŠÍK Ján NOVAKOVA M. PROCHAZKOVA J. FEDR R. KOHOUTEK J. DUŠEK Ladislav HAMPL Aleš SOUČEK K.

Rok publikování 2018
Druh Článek v odborném periodiku
Časopis / Zdroj Physiological research
Fakulta / Pracoviště MU

Lékařská fakulta

Citace
Klíčová slova GDF15 knockout mice; Hematopoiesis; Ionizing radiation; Stress-induced cytokine
Popis Several members of the TGF-beta family are known to effectively regulate the fate of hematopoietic progenitor cells in a complex and context-dependent manner. Growth differentiation factor-15 (GDF15) is a divergent member of the TGF-beta family. This stress-induced cytokine has been proposed to possess immunomodulatory functions and its high expression is often associated with progression of a variety of pathological conditions. GDF15 is also induced by chemotherapy and irradiation. Very few fundamental studies have been published regarding the effect of GDF15 in hematopoiesis. In this study, we analyzed the hematological status of untreated and gamma-irradiated mice deficient for GDF15 as a result of genetic knock-out (KO), in order to clarify the regulatory role of GDF15 in hematopoiesis. Significant differences between GDF15 KO mice and their pertinent WT controls were found in the parameters of blood monocyte numbers, blood platelet size, and distribution width, as well as in the values of bone marrow granulocyte/macrophage progenitor cells. Different tendencies of some hematological parameters in the GDF15 KO mice in normal conditions and those under exposure of the mice to ionizing radiation were registered. These findings are discussed in the context of the GDF15 gene function and its lack under conditions of radiation-induced damage.
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