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1.
EB病毒感染与中线恶性网织细胞增多症 总被引:6,自引:0,他引:6
使用一个针对EB病毒编码的小分子RNA(EBER)的寡核苷酸探针对19例中线恶性网织细胞增多症病变组织进行了原位杂交检测,并配合免疫表型分析。结果为:(1)本组病例中18/19例(94.7%)的病变组织中的异形淋巴样细胞表达T细胞分化抗原。CD3阳性15例,UCHL1阳性9例,其中二者均阳性6例,但各例中的异形淋巴样细胞均未表达B细胞及组织细胞分化抗原;(2)EBER原位杂交检测的阳性数高(15/ 相似文献
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Fred De Clerck Ludo Van Gorp Oscar Vanparijs Marcel Borger Frans Awouters 《Inflammation research》1978,8(6):568-571
Infection withTrichinella spiralis in mice was accompanied by allergic sensitization as evidenced by anaphylactic death after intravenous injection of the antigen. Pre-treatment of the animals with oxatomide, a new orally active antiallergic drug, resulted in significant protection of the animals; the lowest effective dose of the compound was 1.25 mg/kg orally. In contrast to cyproheptadine, oxatomide offered little protection against serotonin toxicity in mice.The present data suggest that, in this model of systemic hypersensitivity, the anti-anaphylactic effect of oxatomide can be attributed mainly to inhibition of release of allergic mediators. 相似文献
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Elevated plasma levels of the long pentraxin, pentraxin 3, in severe dengue virus infections 总被引:4,自引:0,他引:4
Mairuhu AT Peri G Setiati TE Hack CE Koraka P Soemantri A Osterhaus AD Brandjes DP van der Meer JW Mantovani A van Gorp EC 《Journal of medical virology》2005,76(4):547-552
C-reactive protein is one of the most widely used indicators of the response of acute-phase proteins. The measurement of C-reactive protein in dengue, however, is clinically not useful, because of marginally elevated levels and absent association with disease severity. The prototypic long pentraxin, pentraxin 3, is an acute phase protein that is structurally related but distinct from C-reactive protein which has proven to correlate with the severity of bacterial infection in critically ill patients. The potential involvement of pentraxin 3 in dengue and its aptitude to predict more severe disease or poor clinical outcome has not been studied previously. We therefore measured pentraxin 3 plasma levels in 44 dengue virus infected patients. Pentraxin 3 levels were strikingly higher when compared to C-reactive protein levels, with highest pentraxin 3 values observed in the first 7 days after the onset of symptoms. Median pentraxin 3 levels at admission and peak levels during follow up were higher in patients suffering from dengue shock syndrome (at admission: 119.3 ng/ml [interquartile range 61.8--188.7], peak values during follow up: 147.9 ng/ml [interquartile range 85.7--204.3]) compared to levels found in patients with dengue fever and dengue hemorrhagic fever (at admission: 59.0 ng/ml [interquartile range 28.6--100.3], P=0.040; peak values during follow up: 80.8 ng/ml [interquartile range 36.1--168.1], P=0.020). Our results indicate that pentraxin 3 seems to be a marker of infection better than C-reactive protein in dengue. The role of pentraxin 3 in the pathogenesis of dengue and its potential as an early prognostic indicator of disease severity needs further assessment. 相似文献
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Encoded latent membrane protein 1 of Epstein-Barr virus on follicular dendritic cells in residual germinal centres in Hodgkin's disease.
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J van Gorp K C Jacobse R Broekhuizen J Alers J G van den Tweel R A de Weger 《Journal of clinical pathology》1994,47(1):29-32
AIMS--To determine if there is an association between Epstein-Barr virus (EBV) infection and Hodgkin''s disease. METHODS--Fifty cases of Hodgkin''s disease and 25 reactive lymph nodes were screened for the presence of EBV-RNA (EBER) using in situ hybridisation, and for the expression of EBV encoded latent membrane protein 1 (LMP-1) by immunohistochemistry. RESULTS--In 42% of the cases of Hodgkin''s disease, EBER was detected in the nuclei of the malignant cells, and in LMP-1 expression was found 36%. Both EBER and LMP-1 positivity were seen in 34% of the cases. An additional finding was the presence of LMP-1 on follicular dendritic cells in residual germinal centres in two cases of Hodgkin''s disease. EBER was not detected in these germinal centres. In reactive lymph nodes only occasional EBER positive, small, lymphoid cells were found, without LMP-1 expression. CONCLUSIONS--These results show a strong correlation between the presence of EBER and the LMP-1 expression in the Reed-Sternberg cells. They corroborate a role for EBV in at least some cases of Hodgkin''s disease. LMP-1 is probably presented as an immune complex in the germinal centres, as part of an immune response against EBV. 相似文献
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Kirkish P Sreenivasan S Welsh R Van Gorp W Eth S Shoptaw S Ling W 《The journal of the American Academy of Psychiatry and the Law》2000,28(1):38-46
Juveniles tried as adults (JTA) represent a select and small subsample of juvenile offenders. This study seeks to provide a profile of habitually violent JTAs transferred to the adult penal system and to compare them with their adult counterparts. Twenty-nine incarcerated violent male juveniles tried as adults were compared with a sample of 27 incarcerated violent male offenders across demographic, neuropsychological, criminal history, psychopathy, and substance abuse variables. The JTAs were characterized by a high rate of gang membership (96%), substance abuse (alcohol, marijuana, and phenylcyclidene), and use of guns. In the juvenile sample, 65 percent used guns in violence not leading to arrest, and 93 percent used guns in a violent crime leading to arrest. Juvenile offenders were similar to their adult counterparts in patterns of criminality, although adult offenders had higher psychopathy scores. Both groups revealed generally intact neuropsychological functioning with the exception of a higher rate of perseverative responses in the adult sample. The results are discussed in terms of the implication of the degree of violence in a young offender population. 相似文献
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David Creytens Joost van Gorp Suvi Savola Liesbeth Ferdinande Thomas Mentzel Louis Libbrecht 《Virchows Archiv : an international journal of pathology》2014,465(1):97-108
We studied a series of spindle cell lipomas arising in atypical sites and showing unusual morphologic features (which we called atypical spindle cell lipoma) to assess if these lesions have the same chromosomal alterations as classical spindle cell lipoma but different from those found in atypical lipomatous tumor/well-differentiated liposarcoma. We investigated alterations of different genes in the 13q14 region and the amplification status of the MDM2 and CDK4 genes at 12q14-15 by multiplex ligation-dependent probe amplification (MLPA) and fluorescence in situ hybridization (FISH) analysis. In the atypical spindle cell lipomas, MLPA revealed deletions in the two nearest flanking genes of RB1 (ITM2B and RCBTB2) and in multiple important exons of RB1. In contrast, in classical spindle cell lipomas, a less complex loss of RB1 exons was found but no deletion of ITM2B and RCBTB2. Moreover, MLPA identified a deletion of the DLEU1 gene, a finding which has not been reported earlier. We propose an immunohistochemical panel for lipomatous tumors which comprises of MDM2, CDK4, p16, Rb, which we have found useful in discriminating between atypical or classical spindle cell lipomas and other adipocytic neoplasms, especially atypical lipomatous tumor/well-differentiated liposarcoma. Our findings strengthen the link between atypical spindle cell lipoma and classical spindle cell lipoma, and differentiate them from atypical lipomatous tumor/well-differentiated liposarcoma. 相似文献
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