Results 231 to 240 of about 4,807 (280)
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Parasitology Today, 1994
Why do some individuals get severe falciparum malaria while others don't? Rosetting (the binding of uninfected erythrocytes to Plasmodium falciparum-infected erythrocytes), together with endothelial cytoadherence, has been shown to play a crucial role in the obstruction of the microvosculoture in P. falciparum malaria.
M, Wahlgren +3 more
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Why do some individuals get severe falciparum malaria while others don't? Rosetting (the binding of uninfected erythrocytes to Plasmodium falciparum-infected erythrocytes), together with endothelial cytoadherence, has been shown to play a crucial role in the obstruction of the microvosculoture in P. falciparum malaria.
M, Wahlgren +3 more
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An improved technique for separating rosetted from non-rosetted lymphocytes
Journal of Immunological Methods, 1983An improved technique for separating rosetted from non-rosetted lymphocytes is described. The major advantage of this new technique is the elimination of the need to mechanically resuspend the cell pellet resulting from the rosette formation step before using a density gradient to separate the rosetted from the non-rosetted cells.
D R, Ownby, J, McCullough
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British Journal of Haematology, 1998 The effect of rosette formation on the multiplication in vitro of Plasmodium falciparum was studied in order to establish whether rosetting acts as a major virulence factor in the pathogenesis of severe malaria by facilitating invasion of uninfected red ...
Barbara Clough, G Pasvol
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Microbes and Infection, 2008 International audienceSevere Plasmodium falciparum malaria in African children is associated with high peripheral parasite densities and high rate of rosette-forming parasites. To explore the relationship between rosette formation and parasite density in
Cecile Le Scanf +2 more
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The American Journal of Tropical Medicine and Hygiene, 1990
Uninfected erythrocytes bind spontaneously to those infected with certain strains of Plasmodium falciparum. This is known as spontaneous erythrocyte rosetting. We have studied the occurrence and frequency of rosetting in 75 fresh patient isolates and have identified rosetting strains from Africa, South America, and Asia. Rosetting was present in 49% of
M, Wahlgren +7 more
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Uninfected erythrocytes bind spontaneously to those infected with certain strains of Plasmodium falciparum. This is known as spontaneous erythrocyte rosetting. We have studied the occurrence and frequency of rosetting in 75 fresh patient isolates and have identified rosetting strains from Africa, South America, and Asia. Rosetting was present in 49% of
M, Wahlgren +7 more
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Direct monoclonal antibody rosetting
Journal of Immunological Methods, 1986G Riethmuller, E P Rieber
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Journal of Immunological Methods, 1977
Abstract A procedure for the Direct Antiglobulin Rosetting Reaction (DARR) is described in which Ig anti-immunoglobulin is linked by chromic chloride to trypsin-treated ox red cells. Such anti-immunoglobulin-linked red cells do not form E or EA rosettes with human lymphocytes yet are very sensitive in forming rosettes with SmIg positive lymphocytes.
R R, Coombs +7 more
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Abstract A procedure for the Direct Antiglobulin Rosetting Reaction (DARR) is described in which Ig anti-immunoglobulin is linked by chromic chloride to trypsin-treated ox red cells. Such anti-immunoglobulin-linked red cells do not form E or EA rosettes with human lymphocytes yet are very sensitive in forming rosettes with SmIg positive lymphocytes.
R R, Coombs +7 more
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The rosetting factor of human mixed lymphocyte cultures
Clinical Immunology and Immunopathology, 1978Abstract The aim of this study was to investigate a possible action of human mixed lymphocyte cultures (MLC) supernatants on rosette formation between T lymphocytes and sheep red blood cells. The supernatants of MLC between unrelated donors A and B were compared to the supernatants of A or B lymphocytes cultured alone for periods between 1 hr and 4 ...
Wybran, Joseph, Govaerts, André
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Immunology Letters, 1985
An autoradiographic method combined with a rosette technique was used to assess the bactericidal activity of individual control and inflammatory peritoneal macrophages (PM phi) in the presence or absence of expression of Fc receptor for IgG (FcR). There was a lack of FcR reactivity in a certain percentage of both categories of PM phi exposed to E. coli
J M, Rhodes +3 more
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An autoradiographic method combined with a rosette technique was used to assess the bactericidal activity of individual control and inflammatory peritoneal macrophages (PM phi) in the presence or absence of expression of Fc receptor for IgG (FcR). There was a lack of FcR reactivity in a certain percentage of both categories of PM phi exposed to E. coli
J M, Rhodes +3 more
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1979
Publisher Summary This chapter describes the different aspects of rosette formation. It has been shown that erythrocytes of a variety of species can adhere to frozen sections of mouse spleen. The chapter describes an early study where it was found that the adherence phenomenon on living cell spleen suspension was seen only after collagenase splenic ...
J. Wybran, R.B. Herberman
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Publisher Summary This chapter describes the different aspects of rosette formation. It has been shown that erythrocytes of a variety of species can adhere to frozen sections of mouse spleen. The chapter describes an early study where it was found that the adherence phenomenon on living cell spleen suspension was seen only after collagenase splenic ...
J. Wybran, R.B. Herberman
openaire +1 more source