Abstract:
:Background. During pregnancy, the placenta is inaccessible for diagnosis of placental malaria (PM), but soluble tumor necrosis factor-α receptors (sTNFR) are elevated in the plasma of women with PM. Methods. In this study, sTNFR-1 and sTNFR-2 were quantified in urine of pregnant and nonpregnant Cameroonian women who were positive or negative for malaria by blood-smear microscopy. Results. We found that levels of both sTNFR in urine were higher in pregnant compared with nonpregnant women, but malaria-positive pregnant women excreted substantially more sTNFR-1 (P = .005) and sTNFR-2 (P < .001) than malaria-negative pregnant women. The amount of sTNFR-1(rs = 0.784, P < .001) and sTNFR-2 (rs = 0.816, P < .001) in urine correlated with parasitemia, even in afebrile pregnant women. Urine sTNFR-2 predicted maternal malaria with an area under curve of 0.892 (95% confidence interval, .787-.898). At cutoff concentrations of 9.8 ng and 13.6 ng of sTNFR-2 per mL urine, the sensitivity/specificity were 82.6%/87.0% and 78.3%/95.7%, respectively. Conclusions. The sTNFR-2 in noninvasive urine samples may be useful for diagnosis of malaria during pregnancy.
journal_name
Open Forum Infect Disjournal_title
Open forum infectious diseasesauthors
Tassi Yunga S,Thévenon AD,Leke RG,Taylor DWdoi
10.1093/ofid/ofw084subject
Has Abstractpub_date
2016-04-26 00:00:00pages
ofw084issue
2issn
2328-8957pii
ofw084journal_volume
3pub_type
杂志文章abstract:BACKGROUND:Lack of human immunodeficiency virus (HIV) infection awareness may be a driver of racial disparities in HIV infection among men who have sex with men (MSM). Lack of awareness is typically measured by comparing HIV test result to self-reported HIV status. This measure may be subject to reporting bias and alte...
journal_title:Open forum infectious diseases
pub_type: 杂志文章
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abstract::[This corrects the article DOI: 10.1093/ofid/ofx156.][This corrects the article DOI: 10.1093/ofid/ofx156.]. ...
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