Prvotrimestrální skrínink těhotenských komplikací s využitím plazmatických exozomálních C19MC microRNA

Špačková, Kamila

Pregnancy-related complications such as gestational hypertension, preeclampsia, fetal growth restriction, gestational diabetes mellitus, spontaneous preterm birth, and preterm premature rupture of membranes may have severe consequences for both the mother and the child. The development of reliable early screening methods for pregnancy-related complications has therefore been a long-term goal of obstetrics. New possibilities for prenatal diagnostics have opened with the discovery of circulating microRNAs in maternal plasma. MicroRNAs are short, noncoding, 21 to 23 nucleotides long, single-strand RNAs whose main function is to regulate gene expression. During pregnancy, both common and unique miRNAs are expressed by the placenta, amongst them the miRNAs of the C19MC cluster. Several C19MC miRNAs have been shown to display a different expression profile associated with certain pregnancy-related complications. This thesis identifies the plasma exosomal profiles of six C19MC miRNAs (miR-516-5p, miR-517-5p, miR-518b, miR-520a-5p, miR-520h, and miR-525-5p) in patients in their first trimester of gestation who later developed pregnancy-related complications, and compares them with profiles in patients with normal pregnancies.

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