Plasmodium vivax Adherence to Placental Glycosaminoglycans
Open accessAbstract
BACKGROUND: Plasmodium vivax infections seldom kill directly but do cause indirect mortality by reducing birth weight and causing abortion. Cytoadherence and sequestration in the microvasculature are central to the pathogenesis of severe Plasmodium falciparum malaria, but the contribution of cytoadherence to pathology in other human malarias is less clear. METHODOLOGY: The adherence properties of P. vivax infected red blood cells (PvIRBC) were evaluated under static and flow conditions. PRINCIPAL FINDINGS: P. vivax isolates from 33 patients were studied. None adhered to immobilized CD36, ICAM-1, or thrombospondin, putative ligands for P. falciparum vascular cytoadherence, or umbilical vein endothelial cells, but all adhered to immobilized chondroitin sulphate A (CSA) and hyaluronic acid (HA), the receptors for adhesion of P. falciparum in the placenta. PvIRBC also adhered to fresh placental cells (N = 5). Pre-incubation with chondroitinase prevented PvIRBC adherence to CSA, and reduced binding to HA, whereas preincubation with hyaluronidase prevented adherence to HA, but did not reduce binding to CSA significantly. Pre-incubation of PvIRBC with soluble CSA and HA reduced binding to the immobilized receptors and prevented placental binding. PvIRBC adhesion was prevented by pre-incubation with trypsin, inhibited by heparin, and reduced by EGTA. Under laminar flow conditions the mean (SD) shear stress reducing maximum attachment by 50% was 0.06 (0.02) Pa but, having adhered, the PvIRBC could then resist detachment by stresses up to 5 Pa. At 37 °C adherence began approximately 16 hours after red cell invasion with maximal adherence at 30 hours. At 39 °C adherence began earlier and peaked at 24 hours. SIGNIFICANCE: Adherence of P. vivax-infected erythrocytes to glycosaminoglycans may contribute to the pathogenesis of vivax malaria and lead to intrauterine growth retardation.
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Sequestration of P. vivax in the placenta has been described, with the involvement of ICAM-1 and CSA as receptors.
“The sequestration of P. vivax in the placenta, though until recently thought not to occur, has been described,77–78 with the involvement of ICAM-1 and CSA as receptors.”
From Malaria in pregnancy. (2013) · cites this paper as [77]
The Results (Binding to putative receptors) report that P. vivax-infected red blood cells adhered to CSA and fresh placental sections, but none adhered to ICAM-1. The Discussion also says the extent of placental sequestration in vivo is unknown. Thus this paper does not support ICAM-1 involvement and does not establish placental sequestration in vivo. (LLM, conf=0.90)
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Experimental — accuracy not yet measuredPlacental sequestration has been described for P. vivax infections.
“Recently, placental sequestration has been described also for P.vivax infections.”
From Malaria in pregnancy. (2013) · cites this paper as [77]
The Discussion reports that P. vivax-infected red cells adhered to placental glycosaminoglycans and fresh placental cells. It also states that the extent of placental sequestration in vivo is not known, so the paper supports placental adherence as a possible mechanism, not established sequestration during infection. Page numbers are unavailable in our copy. (LLM, conf=0.88)
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References 35 · Cited by 88
Research works printed but not linked: 28
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- Authors
- Chotivanich, K., Udomsangpetch, R., Suwanarusk, R., Pukrittayakamee, S., Wilairatana, P., Beeson, J. G., Day, N. P. J., & White, N. J.
- Affiliations
- Mahidol University (TH)
- Agency for Science, Technology and Research (SG)
- Walter and Eliza Hall Institute of Medical Research (AU)
- Corresponding author
- White, Nicholas J.
- ORCID
- Venue
- PLoS ONE
- Publisher
- Public Library of Science (PLoS)
- Published
- 2012-04-17
- Volume
- 7
- Issue
- 4
- Pages
- e34509
- ISSN
- 1932-6203 (ISSN-L)
- PMC
- PMC3328474
- OpenAlex
- W1984552320
- Cited by
- 88
- References
- 35
- Citations by year
- 2025: 1 · 2024: 1 · 2023: 1 · 2022: 4 · 2021: 13 · 2020: 5 · 2019: 4 · 2018: 4 · 2017: 7 · 2016: 6 · 2015: 6 · 2014: 11 · 2013: 16 · 2012: 9
- FWCI
- 12.98
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- PLoS ONE (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Minerva Access (University of Melbourne) (submittedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Greater South Information System
- Funders
- Wellcome Trust (089275, 093956, 093956/Z/10/Z)
- Mahidol University
- Faculty of Tropical Medicine, Mahidol University
- Topics
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Malaria Research and Control
- Health Sciences › Medicine › Genetics › Hemoglobinopathies and Related Disorders
- Health Sciences › Medicine › Hematology › Blood groups and transfusion
- Keywords
- Plasmodium vivax, cytoadherence, placental adhesions, glycosaminoglycans, chondroitin sulfate A, hyaluronic acid, infected erythrocytes, chondroitinase, hyaluronidase, shear stress, temperature dependence, fetal growth restriction, malaria pathogenesis, placenta
- MeSH terms
- Adult, Cell Adhesion, Chondroitin Sulfates, Egtazic Acid, Erythrocytes, Female, Glycosaminoglycans, Heparin, Humans, Hyaluronic Acid, Placenta, Plasmodium vivax, Pregnancy, Temperature, Trypsin, Malaria, Vivax
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