期刊
RESEARCH IN VETERINARY SCIENCE
卷 154, 期 -, 页码 73-77出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.rvsc.2022.11.010
关键词
In ovo; Folic acid; BDNF; Gga-miR-190a-3p; Cerebral cortex; Chick embryo
Folate plays an important role in DNA synthesis and neurogenesis in fetal brains. The study found that in ovo administration of folic acid could increase BDNF expression and decrease gga-miR-190a-3p expression in the developing chick cerebral cortex.
Folate plays important role in biosynthesis of purine and pyrimidine nucleotides and is therefore crucial for DNA synthesis and neurogenesis in fetal brains. Many genes comprising brain derived neurotrophic factor (BDNF) and miRNAs have been shown to play important role in brain development. Gga-miR-190a-3p targets many genes including BDNF. The aim of this project was to study the effects of in ovo administration of folic acid (FA) on BDNF and gga-miR-190a-3p expression in the cerebral cortex of chick embryo. A total number of 120 hatching eggs with the correct shape and weight were used in this experiment. Forty eggs was injected by FA into the yolk sac at a dose of 150-mu g per egg, 40 eggs by PBS (SHAM) on embryonic day 11 and 40 eggs were left without injection as controls. Then the cerebral cortex was collected on E19 and BDNF and gga-miR-190a-3p expression was studied using Real time PCR. The results showed that BDNF expression in the cortex of FA treated, SHAM and controls were 2.06 +/- 0.29, 1.12 +/- 0.12 and 1.02 +/- 0.21 fold changes, respectively and for gga-miR-190a-3p were 0.72 +/- 0.08, 0.95 +/- 0.09 and 1.007 +/- 0.12 fold change, respectively. Statistical analysis showed that there is significant increase in BDNF expression and decreased gga-miR-190a-3p expression in FA injected cerebral cortex as compared either with SHAM or controls. Although, no significant change in BDNF and gga-miR-190a-3p expression were observed between SHAM and controls. It is concluded that in ovo administration of FA in-creases BDNF and decreases gga-miR-190a-3p expression in the developing chick cerebral cortex.
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