Preprint Review Version 1 This version is not peer-reviewed

Oxidative Stress and Placental Pathogenesis: A Contemporary Overview on Potential Biomarkers and Emerging Therapeutics

Version 1 : Received: 11 October 2024 / Approved: 11 October 2024 / Online: 11 October 2024 (11:16:43 CEST)

How to cite: Vornic, I.; Buciu, V.; Furau, C. G.; Gaje, P. N.; Ceausu, R. A.; Dumitru, C.-S.; Barb, A. C.; Novacescu, D.; Cumpanas, A. A.; Latcu, S. C.; Cut, T. G.; Zara, F. Oxidative Stress and Placental Pathogenesis: A Contemporary Overview on Potential Biomarkers and Emerging Therapeutics. Preprints 2024, 2024100912. https://doi.org/10.20944/preprints202410.0912.v1 Vornic, I.; Buciu, V.; Furau, C. G.; Gaje, P. N.; Ceausu, R. A.; Dumitru, C.-S.; Barb, A. C.; Novacescu, D.; Cumpanas, A. A.; Latcu, S. C.; Cut, T. G.; Zara, F. Oxidative Stress and Placental Pathogenesis: A Contemporary Overview on Potential Biomarkers and Emerging Therapeutics. Preprints 2024, 2024100912. https://doi.org/10.20944/preprints202410.0912.v1

Abstract

Oxidative stress (OS) plays a crucial role in placental pathogenesis and pregnancy-related complications. This review explores OS's impact on placental development and function, focusing on novel biomarkers for early detection of at-risk pregnancies and emerging therapeutic strategies. We analyzed recent research on OS in placental pathophysiology, examining its sources, mechanisms, and effects. While trophoblast invasion under low-oxygen conditions and hypoxia-induced OS regulate physiological placental development, excessive OS can lead to complications like miscarriage, preeclampsia, and intrauterine growth restriction. Promising OS biomarkers, including malondialdehyde, 8-isoprostane, and the sFlt-1/PlGF ratio, show potential for early detection of pregnancy complications. Therapeutic strategies targeting OS, such as mitochondria-targeted antioxidants, Nrf2 activators, and gasotransmitter therapies, demonstrate encouraging preclinical results. However, clinical translation remains challenging. Future research should focus on validating these biomarkers in large-scale studies and developing personalized therapies to modulate placental OS. Emerging approaches like extracellular vesicle-based therapies and nanomedicine warrant further investigation for both diagnostic and therapeutic applications in pregnancy-related complications. Integrating OS biomarkers with other molecular and cellular markers offers improved potential for early identification of at-risk pregnancies.

Keywords

pregnancy complications; pregnancy loss/miscarriage; pre-eclampsia; maternal–placental–fetal interactions; trophoblast; oxidative stress biomarkers; novel therapeutic approaches; intrauterine fetal growth restriction; placental molecular pathology; DNA damage

Subject

Medicine and Pharmacology, Reproductive Medicine

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