Comparison of influence of erythrocytes of different stages of maturity, and their amount on erythropoiesis in erythroblastic island culture revealed their dose-dependent and maturity-dependent inhibiting effect on erythropoiesis. Erythrocytes of polycythemic rats inhibit maturing and formation of erythroblastic islands more intensively than erythrocytes of normal on anemic rats.
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Nutrients
November 2024
School of Medicine, Emory University, 100 Woodruff Circle, Atlanta, GA 30322, USA.
Background/objectives: Iron-fortified foods reduce the incidence of iron deficiency anemia. However, the nutritional efficacy of heme iron fortificants is unclear.
Methods: In this study, we determined the hemoglobin regeneration efficiency (HRE) of a porcine-derived heme iron powder (HIP), treating anemic rats (hemoglobin (Hb) 3-6 g/dL) with 14-day repletion diets fortified with four different concentrations (12, 24, 36, or 48 mg iron/kg diets) of HIP or a control diet ("no added iron"); = 9-12/group.
Magn Reson Med
December 2024
Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences-Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China.
Purpose: To demonstrate the feasibility of measuring pulmonary hematocrit (Hct) in blood in vivo using oscillation of hyperpolarized Xe MR signals and its potential for disease assessment in animal models.
Methods: Hyperpolarized Xe dynamic MR spectroscopy was performed on 10 anemia model rats and 10 control rats. A concise model based on hyperpolarized Xe MR signal oscillations was built for calculating pulmonary Hct.
Food Sci Nutr
October 2024
Department of Surgery College of Medicine, King Saud University Riyadh Kingdom of Saudi Arabia.
Iron deficiency anemia is a global health concern, affecting around 2 billion people. Oral iron therapy often causes severe gastro-intestinal issues. , member of the Brassicaceae family, is valued in traditional medicine and renowned for its rich iron and vitamin C content.
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October 2024
Department of Pediatrics, Division of Neonatology, University of Minnesota Medical School, Minneapolis, MN, USA.
Clin Sci (Lond)
October 2024
Department of Pediatrics, University of Alberta, Edmonton, Canada.
Iron deficiency (ID) is common during gestation and in early infancy and has been shown to adversely affect cardiac development and function, which could lead to lasting cardiovascular consequences. Ketone supplementation has been shown to confer cardioprotective effects in numerous disease models. Here, we tested the hypothesis that maternal ketone supplementation during gestation would mitigate cardiac dysfunction in ID neonates.
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