CDKN1B Mediates Apoptosis of Neuronal Cells and Inflammation Induced by Oxyhemoglobin via miR-502-5p After Subarachnoid Hemorrhage.

Journal of Molecular Neuroscience : MN
Dong ChenLiqiang Zhang

Abstract

Subarachnoid hemorrhage is a common disease in the neural system, which causes high fatality rate. Therefore, it is necessary to figure out inner mechanisms of factors related to this disease. RT-qPCR was applied for measuring expressions of CDKN1B and miR-502-5p and other factors of apoptosis and inflammation. Cell viabilities were detected through CCK-8. Binding conditions between miR-502-5p and CDKN1B were detected through luciferase report assay. Western blot was used for measuring levels of proteins in PPARγ/NF-κB signaling pathway. Apoptosis and inflammation of HT22 cell line, a kind of nerve cell line, were enhanced and viabilities were suppressed by oxyhemoglobin. CDKN1B expressed lower in induced HT22 cell line and overexpressed CDKN1B could promote viabilities and suppress apoptosis as well as inflammation. MiR-502-5p was the target gene of CDKN1B and enhanced apoptosis and inflammation of cells in HT22 cell line. Furthermore, miR-502-5p reversed functions of CKDN1B in induced cells through regulating proteins in PPARγ/NF-κB signaling pathway. CDKN1B was the gene that could inhibit SAH caused by apoptosis in nerve cells and inflammation by sponging miR-502-5p and regulating factors in PPARγ/NF-κB signaling pathway, su...Continue Reading

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Citations

Jul 3, 2021·International Journal of Molecular Sciences·Rezan Ashayeri AhmadabadMaryam Khaleghi Ghadiri

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Methods Mentioned

BETA
transfection
PCR
Assay
protein assay

Software Mentioned

TargetScan
SPSS

Related Concepts

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Apoptosis

Apoptosis is a specific process that leads to programmed cell death through the activation of an evolutionary conserved intracellular pathway leading to pathognomic cellular changes distinct from cellular necrosis