Expression levels of MiRNA-16, SURVIVIN and TP53 in Preeclamptic and Normotensive women.

2021 
OBJECTIVE To measure and compare micro ribonucleic acid-16, survivin and tumour protein p53-regulated apoptosis-inducing protein 1 expression levels in preeclamptic and normotensive pregnancies, and to check the correlation of micro ribonucleic acid-16 with messenger ribonucleic acid expression of survivin and tumour protein p53. METHODS The observational cross-sectional comparative study was conducted at the Department of Physiology and Cell Biology, University of Health Sciences, Lahore, Pakistan, from 2016 to 2018, and comprised preeclamptic women in group A and normotensive women in group B. The preeclamptic patients were further categorised into early-onset preeclampsia subgroup A1and late-onset preeclampsia group A2. Expression of micro ribonucleic acid-16, messenger ribonucleic acid expression of survivin and tumour protein p53 in preeclamptic and normotensive pregnancies were analysed using real time polymerase chain reaction. Data was analysed using SPSS 22. RESULTS Of the 54 patients, 27(50%) were in each of the two groups. Within group A, 14(52%) patients were in group A1 and 13(48%) in group A2. The expression of micro ribonucleic acid 16 showed significant increase in group A compared to group B (p<0.05). The difference was not significant between the subgroups A1 and A2. The levels of messenger ribonucleic acid expression of survivin and tumour protein p53 were deregulated in group A, with a decrease in survivin and an increase in tumour protein p53. The messenger ribonucleic acid expression of survivin and tumour protein p53 showed statistically significant differences across subgroups A1 and A2 (p<0.05). The micro ribonucleic acid-16 expression correlated negatively with messenger ribonucleic acid expression of survivin, but exhibited a positive correlation with tumour protein p53. CONCLUSIONS Deregulated micro ribonucleic acid-16 along with differentially expressed apoptotic genes, survivin and tumour protein p53 might result in altered apoptosis implicated in the pathogenesis of preeclampsia.
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