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Study of placental specific microRNA expression in pacients with spontaneous preterm birth and preterm prelabor rupture of membranes
Vintrová, Iva ; Hromadníková, Ilona (advisor) ; Daňková, Pavlína (referee)
MicroRNAs (miRNAs) are small non-coding RNAs with a length of 18 to 25 nucleotides playing a pivotal role in post-transcriptional regulation of gene expression. There are miRNAs whose expression is limited to a certain tissue type and diseases which are characterized by a unique miRNA expression profile. I assumed spontaneous preterm birth (PTB) and preterm prelabor rupture of membranes (PPROM) would be characterized by a unique miRNA expression profile. I observed the gene expression of 15 placental specific miRNAs (miR-512-5p, miR-515-5p, miR-516b-5p, miR-517-5p, miR-518b, miR-518f-5p, miR-519a-5p, miR-519d-3p, miR-519e- 5p, miR-520a-5p, miR-520h, miR-524-5p, miR-525-5p, miR-526a and miR-526b-5p) in placental tissue of pacients with PTB, PPROM and women with term in labor pregnancies (FG). PTB group consisted of 24 pacients, PPROM group of 75 pacients and FG group of 20 pacients. Quantitative real-time PCR was used to quantify gene expression. In the group of PTB pregnancies I identified 3 significantly upregulated miRNAs (miR-516b-5p, miR-519d-3p and miR-524-5p) and 4 miRNAs (miR-518b, miR-519a-5p, miR-520h and miR-526a) with a trend to upregulation compared to controls (FG). In the group of PPROM pregnancies I identified 3 miRNAs (miR-519d-3p, miR-520h and miR-256b-5p) with a trend to...
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Study of placental specific microRNA expression in pacients with spontaneous preterm birth and preterm prelabor rupture of membranes
Vintrová, Iva ; Hromadníková, Ilona (advisor) ; Daňková, Pavlína (referee)
MicroRNAs (miRNAs) are small non-coding RNAs with a length of 18 to 25 nucleotides playing a pivotal role in post-transcriptional regulation of gene expression. There are miRNAs whose expression is limited to a certain tissue type and diseases which are characterized by a unique miRNA expression profile. I assumed spontaneous preterm birth (PTB) and preterm prelabor rupture of membranes (PPROM) would be characterized by a unique miRNA expression profile. I observed the gene expression of 15 placental specific miRNAs (miR-512-5p, miR-515-5p, miR-516b-5p, miR-517-5p, miR-518b, miR-518f-5p, miR-519a-5p, miR-519d-3p, miR-519e- 5p, miR-520a-5p, miR-520h, miR-524-5p, miR-525-5p, miR-526a and miR-526b-5p) in placental tissue of pacients with PTB, PPROM and women with term in labor pregnancies (FG). PTB group consisted of 24 pacients, PPROM group of 75 pacients and FG group of 20 pacients. Quantitative real-time PCR was used to quantify gene expression. In the group of PTB pregnancies I identified 3 significantly upregulated miRNAs (miR-516b-5p, miR-519d-3p and miR-524-5p) and 4 miRNAs (miR-518b, miR-519a-5p, miR-520h and miR-526a) with a trend to upregulation compared to controls (FG). In the group of PPROM pregnancies I identified 3 miRNAs (miR-519d-3p, miR-520h and miR-256b-5p) with a trend to...
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