Frazier, S., McBride, M. W. , Mulvana, H. and Graham, D. (2020) From animal models to patients: the role of placental microRNAs, miR-210, miR-126, and miR-148a/152 in preeclampsia. Clinical Science, 134(8), pp. 1001-1025. (doi: 10.1042/CS20200023) (PMID:32337535) (PMCID:PMC7239341)
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Abstract
Placental microRNAs (miRNAs) regulate the placental transcriptome and play a pathological role in preeclampsia (PE), a hypertensive disorder of pregnancy. Three PE rodent model studies explored the role of placental miRNAs, miR-210, miR-126, and miR-148/152 respectively, by examining expression of the miRNAs, their inducers, and potential gene targets. This review evaluates the role of miR-210, miR-126, and miR-148/152 in PE by comparing findings from the three rodent model studies with in vitro studies, other animal models, and preeclamptic patients to provide comprehensive insight into genetic components and pathological processes in the placenta contributing to PE. The majority of studies demonstrate miR-210 is upregulated in PE in part driven by HIF-1α and NF-κBp50, stimulated by hypoxia and/or immune-mediated processes. Elevated miR-210 may contribute to PE via inhibiting anti-inflammatory Th2-cytokines. Studies report an up- and downregulation of miR-126, arguably reflecting differences in expression between cell types and its multifunctional capacity. MiR-126 may play a pro-angiogenic role by mediating the PI3K-Akt pathway. Most studies report miR-148/152 family members are upregulated in PE. Evidence suggests they may inhibit DNA methylation of genes involved in metabolic and inflammatory pathways. Given the genetic heterogeneity of PE, it is unlikely that a single placental miRNA is a suitable therapeutic target for all patients. Investigating miRNAs in PE subtypes in patients and animal models may represent a more appropriate approach going forward. Developing methods for targeting placental miRNAs and specific placental cell types remains crucial for research seeking to target placental miRNAs as a novel treatment for PE.
| Item Type: | Articles |
|---|---|
| Keywords: | microRNA, placenta, preeclampsia, pregnancy. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Frazier, Sonya and Graham, Dr Delyth and McBride, Dr Martin |
| Authors: | Frazier, S., McBride, M. W., Mulvana, H., and Graham, D. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Cardiovascular & Metabolic Health |
| Journal Name: | Clinical Science |
| Publisher: | Portland Press |
| ISSN: | 0143-5221 |
| ISSN (Online): | 1470-8736 |
| Published Online: | 27 April 2020 |
| Copyright Holders: | Copyright© 2020 The Author(s) |
| First Published: | First published in Clinical Science 134(8):1001-1025 |
| Publisher Policy: | Reproduced under a Creative Commons license |
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