4.2 Article

Maternal imbalance between pro-angiogenic and anti-angiogenic factors in HIV-infected women with pre-eclampsia

Journal

CARDIOVASCULAR JOURNAL OF AFRICA
Volume 24, Issue 5, Pages 174-179

Publisher

CLINICS CARDIVE PUBL PTY LTD
DOI: 10.5830/CVJA-2013-029

Keywords

sFlt1; pre-eclampsia; anti-angiogenic factors; HIV

Funding

  1. Durban University of Technology
  2. National Research Foundation, South Africa [69086]

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Angiogenic imbalance contributes to the development of pre-eclampsia. We evaluated the protein expression of the pro-angiogenic placental growth factor (PlGF) and transforming growth factor beta 1 (TGF-beta(1)) compared with the anti-angiogenic soluble fms-like tyrosine kinase receptor (sFlt1) and soluble endoglin (sEng) in HIV-infected normotensive and pre-eclamptic pregnancies. Blood was obtained from 110 pregnant women, enrolled in four groups, namely, HIV-negative normotensives (27); HIV-positive normotensives (31); HIV-negative pre-eclamptics (27) and HIV-positive pre-eclamptics (25), and was used to measure PlGF, TGF-beta(1), sFlt1 and sEng levels. Increased sFlt1 and sEng levels were associated with the pre-eclamptics (HIV negative and positive) compared with their counterparts. Decreased PlGF levels were observed between the HIV-negative pre-eclamptics versus HIV-negative normotensives, but levels differed significantly (p = 0.02) among the normotensives (HIV negative and positive). TGF-beta(1) remained unchanged across all groups. Higher sEng/TGF-beta(1) ratios were associated with the pre-eclamptics (HIV negative and positive) compared with their counterparts. This study demonstrated increased sFlt1 and sEng levels in pre-eclamptic compared with normotensive pregnancies, irrespective of the HIV status.

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