نتایج جستجو برای: antigenemia
تعداد نتایج: 822 فیلتر نتایج به سال:
Gaining a better understanding of the spatial population structure of infectious agents is increasingly recognized as being key to their more effective mapping and to improving knowledge of their overall population dynamics and control. Here, we investigate the spatial structure of bancroftian filariasis distribution using geostatistical methods in an endemic region in Southern India. Analysis ...
Infection of the rhesus monkey with simian immunodeficiency virus of macaques (SIVmax) was employed to explore the early immune events associated with the initial containment of an acute AIDS virus infection. In nine rhesus monkeys infected intravenously with uncloned SIVmac strain 251, high-level p27 plasma antigenemia was usually detected transiently from approximately day 7 through day 21 fo...
BACKGROUND Cytomegalovirus (CMV) is the main infectious agent causative of morbidity and mortality in transplant recipients. This study aimed to describe the occurrence and clinical features of CMV infection, and the optimum antigenemia assay cutoff associated with symptomatic infection. MATERIALS AND METHODS This was a cohort study that investigated 87 patients undergoing renal transplantati...
A counterimmunoelectrophoresis test for Pneumocystis carinii antigenemia was employed to assess the extent of subclinical infection or colonization with this agent in adults with infection, pulmonary disease, or malignancy and in healthy homosexual men. Antigenemia was detected in 6 of 208 (3%) of normal controls, 3 of 28 (11%) of patients with pulmonary infection, 3 of 33 (9%) of those with ch...
BACKGROUND The sensitivity of the MVista Histoplasma antigen enzyme immunoassay (MiraVista Diagnostics) has been evaluated in disseminated histoplasmosis in patients with AIDS and in the "epidemic" form of acute pneumonia. Moreover, there has been no evaluation of the sensitivity of antigenemia detection in disseminated histoplasmosis after the implementation of methods to dissociate immune com...
To compare the sensitivity and suitability of detection of active cytomegalovirus (CMV) infection by using monoclonal antibodies against CMV antigen (antigen test to detect antigenemia) and the polymerase chain reaction (PCR; to detect viral DNA) in granulocytes, 19 heart and 2 lung transplant recipients were closely monitored by these tests for at least 3 months after transplantation. All pati...
We generated in vitro human cytomegalovirus (HCMV) pp65-positive polymorphonuclear leukocytes (PMN) resembling those detected in vivo, following cocultivation of PMN from healthy donors and wild-type HCMV-infected endothelial cells or fibroblasts. After purification, PMN are suitable for preparation of cytospots which can be used for the antigenemia assay. Cytospin preparations containing a pre...
Forty asymptomatic, circulating filarial antigen negative (CFA(-ve)) and ten asymptomatic, circulating filarial antigen positive (CFA(+ve)) individuals were followed up longitudinally over a period of 14 years at intervals of 7 years in order to investigate the immunological, parasitological and clinical changes that took place in an endemic area due to natural process. The clinical status, mic...
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