Aging Overview

Aging gene

Gene name: MIR34A
Aging type: Accelerate
Aging characteristic:
Tissue type: --
Cell name: HASMC
Gene ID: 407040
Category: ncRNA
Phenotype: Cardiovascular disease
Experimental category: L
PMID: 25352462
Experiment: SA-β-gal activity assay//Western blot//Flow cytometry
Description: In comparison with the control (miRNA mimic control [SCR]), miR-34a mimic reduced cell number already by 48 hours after transfection;the main and statistically significant differences were observed at 72- hours post-transfection. Further, we evaluated cell cycle distribution by fluorescence-activated cell sorting analysis after propidium iodide (PI) staining. miR-34a ectopic expression significantly increased the percentage of HASMCs in G0–G1 phase at 24-hours post-transfection when compared with negative control.Accordingly, p21 protein levels were higher in miR-34a-overexpressing cells.We found that miR-34a enhanced the percentage of SA-β-gal-positive cells at 72 hours after transfection, while HASMCs transfected with the negative control did not show any difference when compared with untransfected cells .


Regulatory relationship

Target gene: SIRT1
Official symbol(s): SIRT1
R-AG-Target gene: Downregulation
Subcategory: Unclear
Target gene experiment: Western blot
Target gene description: We then performed a rescue experiment by transfecting replicative cells with miR-34a mimic or mimic negative control along with either a 3?-untraslated region-deleted-SIRT1-expression vector (devoid of the sequences matching miR-34a seed sequence) or the corresponding empty vector. The WB analysis confirmed that endogenous SIRT1 protein levels were severely lowered upon miR-34a overexpression, while exogenous SIRT1 protein levels were unaffected.

Regulatory pathway: --
R-AG-Pathway: --
Pathway experiment: --
Pathway description: --


Aging network

Annotation:

The green line represents Upregulation.

The purple line represents Downregulation.

The orange line represents Activation.

The yellow line represents Inhibition.

The gray line represents Unclear.



About risk SNP and eQTL

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