نتایج جستجو برای: recombinant erythropoietin red cell metabolism
تعداد نتایج: 2036318 فیلتر نتایج به سال:
Purpose: Microgravity causes major changes in various systems of the body in space, such as shift in cerebrospinal fluid, decreased red blood cells count, and electrolyte loss. These complications are very important in space and we should find new approaches to prevent the side effects of microgravity in astronauts. Materials and Methods: This experimental study was conducted on 21 adult ma...
objective: influenza virus a (h1n1) is an important subtype of the influenza respiratory viruses, which has important worldwide implications. hemagglutinin (ha), an important viral antigen, is responsible for binding to human cell receptors leading to an onset of the disease process. considering the critical role of viral attachment, this study focuses on the extraction and cloning of ha and it...
background: oncolytic herpes simplex virus (ohsv) vectors lacking γ34.5 has demonstrated anticancer effects without affecting normal cells. therefore, they are considered as ideal templates to construct efficient vectors for tumor targeting and cancer gene therapy. herein, we reported construction of three single/dually-labeled recombinant hsv-1 vectors, which provide an opportunity to replace ...
Immunomodulatory derivative (IMiD) CC-4047, a new analog of thalidomide, directly inhibits growth of B-cell malignancies in vivo and in vitro and exhibits stronger antiangiogenic activity than thalidomide. However, there is little information on whether CC-4047 affects normal hematopoiesis. Here we investigated the effect of CC-4047 on lineage commitment and differentiation of hematopoietic ste...
A case of pure red cell aplasia in a simultaneous kidney-pancreas transplant recipient on immunosuppressive therapy is reported here. The patient presented with anemia unresponsive to erythropoietin treatment. Bone marrow cytomorphology was highly suggestive of parvovirus pure red cell aplasia, which was confirmed with serology and polymerase chain reaction positive for parvovirus B19 DNA in pe...
Growth factors or humoral agents can support haemopoiesis in various bone marrow disorders. They have the ability to act on multiple cell lineages and in myeloid cells, and the potential to act on the neoplastic equivalent of normal cells. Anaemia is a common feature of multiple myeloma seen in at least two-thirds of patients at presentation. Erythropoietin is increasingly being used with varia...
PURPOSE Erythropoietin, an oxygen-regulated glycoprotein hormone, is a hematopoietic cytokine that stimulates erythropoiesis by binding to its cellular receptor [erythropoietin receptor (EPOR)]. The recombinant form of human erythropoietin is used to prevent or treat anemia in cancer patients. However, in a recent randomized, placebo-controlled trial involving patients receiving curative radiot...
ABSTRACT Background: Very low birth weight infants ( <1500 g) frequently require blood transfusions because of repeated blood sampling accompanied by anemia of prematurity. Methods: In an attempt to identify the effect of human recombinant erythropoietin to decrease the requirement for blood transfusions, erythropoietin was administered to 24 pre term infants less than 1500 g prospectively fro...
Erythropoietin (ESF) titers were determined in sera from patients with different types of anemia using the fetal mouse liver cell bioassay. An inverse relationship was found between hemoglobin concentration and ESF titer. However, ESF titers differed markedly between patients at comparable degrees of anemia. Several groups of patients were distinguished on the basis of the activity of their ery...
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