The surface antigens of human B lymphocytes

Zola, Heddy

doi:10.1016/0167-5699(87)90018-1

Cited by 73 publications

(21 citation statements)

References 64 publications

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“…Zoła 1996). Asymmetry in the primary minimum, and a somewhat erratic light curve from the cycle-tocycle as is seen in our Fig.…”

Section: Description Of W Crusupporting

confidence: 57%

“…An important step in the understanding of this system was made by the independent studies of Zoła (1996) and Daems (1998). Zoła (1996) concentrated on the analysis of the light curves secured by Marino et al (1988) and Pazzi (1993), respectively, while the study by Daems (1998) was more elaborated.…”

Section: Description Of W Crumentioning

confidence: 99%

“…Zoła (1996) concentrated on the analysis of the light curves secured by Marino et al (1988) and Pazzi (1993), respectively, while the study by Daems (1998) was more elaborated. Besides including an independent modeling of unpublished Geneva 7-color photometry, it also included some new spectrophotometric and spectroscopic observations.…”

Section: Description Of W Crumentioning

confidence: 99%

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Indirect imaging of an accretion disk rim in the long-period interacting binary W Crucis

Pavlovski¹,

Burki

Mimica

2006

A&A

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Context. Light curves of the long-period Algols are known for their complex shape (asymmetry in the eclipse, light variations outside the eclipse, changes from cycle-to-cycle), but their interpretation is not possible in the standard model of binary stars. Aims. We determined that complex structures present in these active Algol systems could be studied with the eclipse-mapping method that was successfully applied to the new 7-color photometric observations in the Geneva system of W Cru, belonging to the isolated group of these active Algols. Methods. Several cycles of this long-period (198.5 days) eclipsing binary were covered by observations. We used a modified Rutten's approach to the eclipse-mapping. The optimization of the system's parameters and the recovery of the disk intensity distribution are performed using a genetic algorithm (GA). Results. The finding of a primary (hot) component is hidden in thick accretion disk confirms previous solutions. The mass of the primary component, M 1 = 8.2 M , indicates that it is a mid-B type star. The mass-losing component fills its critical lobe, which, for the system's parameters, means it is a G-type supergiant with a mass M 2 = 1.6 M . The disk is very extended geometrically, and its outer radius is about 80% of the primary's critical lobe. A reconstructed image reveals the rather clumpy and nonuniform brightness distribution of an accretion disk rim in this system that is seen almost edge-on. This clumpiness accounts for light curve distortions and asymmetries, as well as for secular changes.

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“…Zoła 1996). Asymmetry in the primary minimum, and a somewhat erratic light curve from the cycle-tocycle as is seen in our Fig.…”

Section: Description Of W Crusupporting

confidence: 57%

Section: Description Of W Crumentioning

confidence: 99%

Section: Description Of W Crumentioning

confidence: 99%

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Indirect imaging of an accretion disk rim in the long-period interacting binary W Crucis

Pavlovski¹,

Burki

Mimica

2006

A&A

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“…The significantly higher numbers of IgE-positive plasma cells in the allergic nasal mucosa compared to the controls suggests that the maturation of IgE-positive Bcells to IgE-producing plasma cells takes place locally in the nasal mucosa. B-cells express CD 40 during the mature/activated stage [26]. It is not possible to differentiate between IgE-positive B-cells if they are IgE-positive memory B-cells or at least activated B-cells [27].…”

Section: Discussionmentioning

confidence: 99%

Local production and detection of (specific) IgE in nasal B-cells and plasma cells of allergic rhinitis patients

et al. 2000

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Allergic diseases are characterized by allergic complaints in the shock organ and specific immunoglobulin (Ig)E in serum. Literature data indicate that the nasal mucosa itself could produce at least a large part of the specific IgE in allergic rhinitis patients.In order to investigate this hypothesis, nasal mucosal biopsies from the inferior turbinate were taken from symptomatic grass pollen allergic rhinitis patients, symptomatic house dust mite allergic rhinitis patients and nonallergic healthy controls, confirmed by radioallergosorbent test and skin-prick test. Immunohistochemical double-staining was performed for B-cells (CD19) with IgE, plasma cells (CD138) with IgE and plasma cells with biotinylated allergens.Significantly more IgE-positive B-cells and IgE-positive plasma cells were found in the nasal mucosa of allergic patients than in that of nonallergic controls. Double staining with biotinylated allergens and plasma cells showed allergen-positive plasma cells in the nasal mucosa of allergic patients and no allergen-positive plasma cells in the nasal mucosa of nonallergic patients. Blocking experiments using polyclonal antibodies directed against IgE showed a significant reduction in the number of allergenpositive cells in contrast to experiments using polyclonal antibodies directed against IgG, IgA or IgM.This study describes new evidence that specific immunoglobulin E is produced locally in the nasal mucosa in patients with seasonal allergic rhinitis and perennial allergic rhinitis, but not in nonallergic controls. Eur Respir J 2000; 15: 491±497.

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“…Our present data using B2 monoclonal antibody confirms that C3/EBV receptor complex was present in the original jijoye and nonproducer P3HR-1 (4,8), but absent on the producer P3HR-1 K line. Recently, we have reported that HLA-DR antigen disappears in the producer P3HR-1 K line (22). It has also been reported that HLA-DR antigen reappears in its nonproducer variant (9).…”

Section: Discussionmentioning

confidence: 97%

Effect of Activation of the Epstein‐Barr Virus Genome on Expression of B Cell Differentiation Antigens of Burkitt's Lymphoma Lines

Yokochi¹,

Inoue²,

Iwata³

et al. 1988

Microbiology and Immunology

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Using anti-human B cell monoclonal antibodies prepared against B1 (CD20), B2 (CD21), B4 (CD19), and BB-1 (B lymphoblast antigen-1), we compared the expression of B cell differentiation antigens on a Jijoye-P3HR-1 cell line family of Burkitt's lymphomas. The expression of BB-1 and B2 antigens was faint on P3HR-1 K cell line which is an Epstein-Barr virus (EBV) high producer . On the other hand, B1 and B4 antigens were strongly expressed on it . It was also found that BB-1 expression decreased on P3HR-1 cells after activation of intracellular EBV genes by treating chemically with tumor-promoting agent (TPA) and nbutyrate, or on Raji cells on superinfection with EBV. This decrease of BB-1 was blocked by the additional treatment with retinoic acid, an inhibitor of virus replication. Dual immunofluorescence staining analysis showed that the individual cell expressing EBV-associated antigens expressed BB-1 antigen only marginally. The relationship between the change in phenotypes of host B cells and the activation of the EBV genome is discussed.

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The surface antigens of human B lymphocytes

Cited by 73 publications

References 64 publications

Indirect imaging of an accretion disk rim in the long-period interacting binary W Crucis

Indirect imaging of an accretion disk rim in the long-period interacting binary W Crucis

Local production and detection of (specific) IgE in nasal B-cells and plasma cells of allergic rhinitis patients

Effect of Activation of the Epstein‐Barr Virus Genome on Expression of B Cell Differentiation Antigens of Burkitt's Lymphoma Lines

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