نتایج جستجو برای: nucleated rbcs
تعداد نتایج: 12545 فیلتر نتایج به سال:
In Arabidopsis thaliana, four genes have been identified in the RBCS gene family, one being assigned to subfamily RBCS-A and the other three to subfamily RBCS-B (1B, 2B and 3B). To determine the chromosomal location of these genes, hybridization analysis with CIC YAC high-density filters was carried out for the RBCS-A gene, and CAPS analysis for the three RBCS-B genes, based on the finding that...
Healthy red blood cells (RBCs) have remarkable deformability, squeezing through narrow capillaries as small as 3 microns in diameter without any damage. However, in many hematological disorders the spectrin network and lipid bilayer of diseased RBCs may be significantly altered, leading to impaired functionality including loss of deformability. We employ a two-component whole-cell multiscale mo...
Red blood cells (RBCs) can be used for vascular delivery of encapsulated or surface-bound drugs and carriers. Coupling to RBC prolongs circulation of nanoparticles (NP, 200 nm spheres, a conventional model of polymeric drug delivery carrier) enabling their transfer to the pulmonary vasculature without provoking overt RBC elimination. However, little is known about more subtle and potentially ha...
We present the anisotropic light scattering of individual red blood cells (RBCs) from a patient with sickle cell disease (SCD). To measure light scattering spectra along two independent axes of elongated-shaped sickle RBCs with arbitrary orientation, we introduce the anisotropic Fourier transform light scattering (aFTLS) technique and measured both the static and dynamic anisotropic light scatt...
HS (heparan sulphate) has hitherto not been found on human red blood cells (RBCs, erythrocytes). However, malarial-parasite (Plasmodium falciparum)-infected RBCs adhere to uninfected RBCs via HS-like receptors. In the present paper we demonstrate that human RBCs carry epitopes for an anti-HS antibody. Glycans isolated from RBC membranes reacted to HS-specific degradations and adhered to an HS-b...
Anti-Sia-lb (formerly anti-Gd) cold agglutinins (CAs) recognize sialylated carbohydrates on both adult and neonate red blood cells (RBCs). RBC CA activity inhibition experiments reported here indicate that the domain NeuNAc alpha2-3Gal, as found in sialyllactose, synthetic sialyl(s) Lewis(Le)(x) and sLe(a), sialyllactosamine, sialyl-fucosyllactose, and nonfucosylated sLe(a), constitutes the min...
Background: The well-known toxic effects of benzene toxicity are bone marrow depression, reduction in blood cell counts, and induction of leukemia and aplastic anemia. This study was designed to evaluate biomarkers of aging in red blood cells (RBCs). Methods: Mice were exposed to benzene (50, 100, and 200 mg/kg/day) orally for 28 days. A group of benzene-exposed mice were injected intraperiton...
In this study, the role of Igs in the recognition and removal of oxidatively damaged human red blood cells (RBCs) was investigated. Phagocytosis of normal RBCs exposed to the oxidative hemolytic agent phenylhydrazine (Phz) and of glucose-6-phosphate dehydrogenase (G6PD)-deficient RBCs by murine macrophages was examined. A 40-fold increase in phagocytosis of RBCs treated with 3 mmol/L Phz was ob...
Retention of poorly deformable red blood cells (RBCs) by the human spleen has been recognized as a critical determinant of pathogenesis in hereditary spherocytosis, malaria, and other RBC disorders. Using an ex vivo perfusion system, we had previously shown that retention of Plasmodium falciparum-infected RBCs (Pf-RBCs) occur in the splenic red pulp, upstream from the sinus wall. To experimenta...
We investigated the hypothesis that a discrepancy of Al binding in cell wall constituents determines Al mobility in root border cells (RBCs) of pea (Pisum sativum), which provides protection for RBCs and root apices under Al toxicity. Plants of pea (P. sativum L. 'Zhongwan no. 6') were subjected to Al treatments under mist culture. The concentration of Al in RBCs was much higher than that in th...
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