circRNA basic information
circBase ID: hsa_circ_0085536
Name: hsa_circ_PVT1
Synonym: circPVT1
Host Gene: PVT1
Genomic location(hg19): chr8:128806778-128903244:+
Genomic location(hg38): chr8:128806778-128903244:.
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0018874
MONDO name: acute myeloid leukemia
Disease details: acute myeloid leukemia / AML
Disease DO ID:
9119
Disease MeSH ID:
D015470
Disease NCIt ID:
C3171
Disease ICD11 ID:
-
Disease OMIM ID:
601626
Species: Human
Species details: Homo sapiens
Tissue specimen:

blood plasma

Cell lines:

NB4; HL-60; U937; THP-1; HS-5; 293 T

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: MEF2A, MCL1
Associated microRNA: miR-455-3p
Biological function: promotes cell viability and EMT; inhibits apoptosis; promotes malignant progression of AML cells
Molecular mechanism: MEF2A acts as a transcription factor increasing circPVT1 promoter activity; circPVT1 acts as a ceRNA/miRNA sponge for miR-455-3p to upregulate MCL1
Biological pathway or process:

proliferation (promotes); apoptosis (inhibits); EMT (promotes); ceRNA regulation (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; RNase R Treatment; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); Transfection; CCK8; Annexin V/PI Flow Cytometry; Western Blot; Bioinformatics Analysis; Clinical Sample Validation

Clinical significance:

circPVT1 could be considered a diagnostic biomarker or a molecular therapeutic target for AML

Description:

circPVT1 is up-regulated in AML plasma and AML cell lines. MEF2A increases circPVT1 expression via promoter activation, and circPVT1 promotes AML cell viability and EMT and suppresses apoptosis by sponging miR-455-3p to upregulate MCL1.

Confidence score:

0.7551

Other information
Title:

MEF2A is a transcription factor for circPVT1 and contributes to the malignancy of acute myeloid leukemia.

Journal: International journal of oncology
Published: 2024
PubMed ID: 39329212
Study type:

combined biological and clinical study

Data availability: The data generated in the present study may be requested from the corresponding author.
Code availability: -