期刊
SMALL
卷 -, 期 -, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202300852
关键词
drug delivery; nanomedicine; nanoparticles; placenta; placental disorders; pregnancy
The placenta, a temporary organ during pregnancy, plays a vital role in regulating exchange between maternal and fetal circulation. Placental disorders such as preeclampsia, fetal growth restriction, placenta accreta spectrum, and gestational trophoblastic disease arise from abnormal placental development and can lead to severe complications. Nanomedicine offers potential solutions to these disorders by selectively delivering therapeutics to the placenta while protecting the fetus. This review discusses nanomedicine strategies to diagnose and treat placental disorders and highlights novel disease targets for the rational design of precision nanocarriers.
The placenta is a transient organ that forms during pregnancy and acts as a biological barrier, mediating exchange between maternal and fetal circulation. Placental disorders, such as preeclampsia, fetal growth restriction, placenta accreta spectrum, and gestational trophoblastic disease, originate in dysfunctional placental development during pregnancy and can lead to severe complications for both the mother and fetus. Unfortunately, treatment options for these disorders are severely lacking. Challenges in designing therapeutics for use during pregnancy involve selectively delivering payloads to the placenta while protecting the fetus from potential toxic side effects. Nanomedicine holds great promise in overcoming these barriers; the versatile and modular nature of nanocarriers, including prolonged circulation times, intracellular delivery, and organ-specific targeting, can control how therapeutics interact with the placenta. In this review, nanomedicine strategies are discussed to treat and diagnose placental disorders with an emphasis on understanding the unique pathophysiology behind each of these diseases. Finally, prior study of the pathophysiologic mechanisms underlying these placental disorders has revealed novel disease targets. These targets are highlighted here to motivate the rational design of precision nanocarriers to improve therapeutic options for placental disorders.
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