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Blood transferrin receptor (TR) level is largely determined by the quantum of erythropoiesis and by intracellular iron content of the cells of the erythroid lineage. Hence, a high serum TR level has been found to be useful in distinguishing iron deficiency anemia (IDA) from anemia of chronic disorders (ACD). In order to examine its potential role in the(More)
Transferrin receptor (TR) expression by blast cells in 127 cases of acute lymphoblastic leukemia (ALL) at presentation and 19 cases at relapse was examined using three anti-TR monoclonal antibodies to find its correlation with prognostic features such as the total leucocyte count (TLC), the morphology of blast cells and their cytochemical and(More)
A cytotoxic (IgM) monoclonal antibody (McAb) raised against human erythroleukaemia cell line HEL appears specific for the myelomonocytic lineage. Indirect immunofluorescence and fluorescence-activated cell sorter analyses of peripheral blood and bone marrow cells showed that this McAb (designated GM 58/8) reacts exclusively with more than 90% of the(More)
The neoplastic lymphoid cells in 33 patients with chronic lymphocytic leukemia (CLL), 1 case of prolymphocytic leukemia (PLL), and 29 patients with various types of non-Hodgkin's lymphoma (NHL) were examined for the expression of transferrin receptors (TR) using a panel of three anti-TR monoclonal antibodies (MAb). Both immunofluorescence and(More)
A multiparameter analysis of 706 cases of acute leukemia (AL) over a two-year period revealed only six cases (0.86 per cent) with coexpression of lymphoid and myeloid phenotypes. In three cases, expression of both lymphoid and myeloid markers by the majority of the blast cells suggested a 'biphenotypic' pattern while in the remaining three cases, the(More)
The leukemic promyelocytes in 37 cases of acute promyelocytic leukemia (APML; FAB, M3) were examined for their cytochemical property. Thirty-two cases (86%) showed strong myeloperoxidase (MPO), chloroacetate esterase (Es-chl) and Sudan black B (SBB) positivity, suggesting a pure neutrophilic differentiation of the leukemic cells. However, in 5 out of 37(More)
Screening coagulation tests and assays for thrombosis and fibrinolysis were performed in 80 cases of malaria at presentation and during the course of the disease. Close correlation between the degree of thrombocytopenia (observed in >97% cases) and the presence hemorrhagic manifestations at presentation, and improvement in the platelet count in parallel(More)
Of the various red cell parameters used for distinguishing iron deficiency anaemia (IDA) from beta-thalassaemia trait BTT, red cell distribution width (RDW), which is an objective measure of the degree of anisocytosis, was examined by us for its discriminating value. RDW was measured in 55 patients of IDA and 56 patients of BTT at presentation with the help(More)
The effect of various fractions of black tea [(Camellia Sinensis) (L) O. Kuntze (Theaceae)] on the function of mammalian skeletomotor apparatus was studied. The theaflavin fraction (Tfs) produced a concentration- dependent facilitation of indirect twitch responses of the rat phrenic nerve diaphragm preparation and the facilitation was dependent on the(More)