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Title: Malaria in pregnancy: from placental infection to its abnormal development and damage
Authors: Chua, Caroline Lin Lin
Khoo, Sebastian Kah Ming
Ong, Ernest Jun Long
Ramireddi, Gaurav Kumar
Yeo, Tsin Wen
Teo, Andrew
Keywords: Science::Medicine
Issue Date: 2021
Source: Chua, C. L. L., Khoo, S. K. M., Ong, E. J. L., Ramireddi, G. K., Yeo, T. W. & Teo, A. (2021). Malaria in pregnancy: from placental infection to its abnormal development and damage. Frontiers in Microbiology, 12, 777343-.
Journal: Frontiers in Microbiology 
Abstract: Malaria remains a global health burden with Plasmodium falciparum accounting for the highest mortality and morbidity. Malaria in pregnancy can lead to the development of placental malaria, where P. falciparum-infected erythrocytes adhere to placental receptors, triggering placental inflammation and subsequent damage, causing harm to both mother and her infant. Histopathological studies of P. falciparum-infected placentas revealed various placental abnormalities such as excessive perivillous fibrinoid deposits, breakdown of syncytiotrophoblast integrity, trophoblast basal lamina thickening, increased syncytial knotting, and accumulation of mononuclear immune cells within intervillous spaces. These events in turn, are likely to impair placental development and function, ultimately causing placental insufficiency, intrauterine growth restriction, preterm delivery and low birth weight. Hence, a better understanding of the mechanisms behind placental alterations and damage during placental malaria is needed for the design of effective interventions. In this review, using evidence from human studies and murine models, an integrated view on the potential mechanisms underlying placental pathologies in malaria in pregnancy is provided. The molecular, immunological and metabolic changes in infected placentas that reflect their responses to the parasitic infection and injury are discussed. Finally, potential models that can be used by researchers to improve our understanding on the pathogenesis of malaria in pregnancy and placental pathologies are presented.
ISSN: 1664-302X
DOI: 10.3389/fmicb.2021.777343
Schools: Lee Kong Chian School of Medicine (LKCMedicine) 
Organisations: National Center for Infectious Diseases
Tan Tock Seng Hospital
Rights: © 2021 Chua, Khoo, Ong, Ramireddi, Yeo and Teo. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:LKCMedicine Journal Articles

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