Aging Overview

Aging gene

Gene name: PLA2R1
Aging type: Accelerate
Aging characteristic:
Tissue type: --
Cell name: MRC-5
Gene ID: 22925
Category: protein coding
Phenotype: Hutchinson–Gilford progeria syndrome
Experimental category: L
PMID: 30216637
Experiment: qRT-PCR//SA-β-gal activity assay//Cell counting//Crystal violet assay//Knockdown
Description: Constitutive expression of progerin resulted in proliferation arrest as judged by reduced number of cells observed using crystal violet staining and growth curves and reduced expression of the proliferation marker Ki67, and increased frequency of SA‐β‐Gal‐positive cells and increased expression of p21 (CDKN1A) and the SASP component IL‐8.Knockdown of PLA2R1 with two independent shRNAs abolished all these hallmarks of cellular senescence.


Regulatory relationship

Regulatory pathway: P53-FDPS
R-AG-Pathway: --
Official symbol(s): TP53-FDPS
Pathway experiment: qRT-PCR//Immunostaining
Pathway description: As expected,progerin increased P‐ATM and γH2AX DNA damage marks, p53 phosphorylation, the p53 transcriptional target p21, and FDPS, and these inductions were abolished upon PLA2R1 knockdown.


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.



Related pathway view

About risk SNP and eQTL

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