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- W2337387707 abstract "The anemia of inflammation is a common problem in inflammatory and autoimmune diseases. We characterized a mouse model of anemia of chronic inflammation induced by repeated injections of low doses of heat-killed Brucella abortus (HKBA), and determined the effects of T administration on erythropoiesis in this model. Female C57BL/6NCrl mice were injected weekly with HKBA for 10 wk. Weekly injections of T or vehicle oil were started 4 wk later. Control mice were injected with saline and vehicle oil in parallel. HKBA-injected mice had significantly lower hemoglobin, hematocrit, mean corpuscular volume, reticulocyte hemoglobin, transferrin saturation (TSAT), and tissue nonheme iron in liver and spleen, enlarged spleen, and up-regulated hepatic expression of inflammatory markers, serum amyloid A1, and TNFα, but down-regulated IL-6, bone morphogenic protein 6, and hepcidin compared with saline controls. HKBA also reduced serum hepcidin and increased serum erythropoietin. Bone marrow erythroid precursors were substantially reduced in HKBA-injected mice. Cotreatment with T increased the percentage of late-stage erythroid precursors in the bone marrow relative to HKBA-injected and saline controls and reversed HKBA-induced suppression of hemoglobin and hematocrit. T also normalized serum erythropoietin, TSAT, and reticulocyte hemoglobin without correcting the expression of the hepatic inflammation markers. Conclusions are that low-dose HKBA induces moderate anemia characterized by chronic inflammation, decreased iron stores, and suppression of erythroid precursors in the bone marrow. T administration reverses HKBA-induced anemia by stimulating erythropoiesis, which is associated with a shift toward accelerated maturation of erythroid precursors in the bone marrow." @default.
- W2337387707 created "2016-06-24" @default.
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- W2337387707 date "2016-04-13" @default.
- W2337387707 modified "2023-10-01" @default.
- W2337387707 title "Effects of Testosterone on Erythropoiesis in a Female Mouse Model of Anemia of Inflammation" @default.
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- W2337387707 doi "https://doi.org/10.1210/en.2016-1150" @default.
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