circRNA basic information
circBase ID: -
Name: hsa_circ_AGFG1
Synonym: circAGFG1
Host Gene: AGFG1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005575
MONDO name: colorectal cancer
Disease details: colorectal cancer
Disease DO ID:
5672, 9256
Disease MeSH ID:
-
Disease NCIt ID:
C4978
Disease ICD11 ID:
-
Disease OMIM ID:
114500
Species: Human
Species details: Homo sapiens
Tissue specimen:

normal colorectal tissues; CRC tissues; L-OHP-sensitive CRC tissues; L-OHP-resistant CRC tissues

Cell lines:

NCM460; SW480; HCT116; SW480/L-OHP; HCT116/L-OHP; 293 T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: PKM2
Associated microRNA: miR-7-5p
Biological function: Promotes glycolysis, cell proliferation, and oxaliplatin resistance, and inhibits apoptosis in L-OHP-resistant CRC cells; circAGFG1 knockdown enhances L-OHP sensitivity in vitro and in vivo.
Molecular mechanism: circAGFG1 acts through a ceRNA-like mechanism by binding miR-7-5p and regulating PKM2 expression, thereby modulating glycolysis and oxaliplatin sensitivity.
Biological pathway or process:

glycolysis (promotes); proliferation (promotes); apoptosis (inhibits); chemoresistance (promotes); ceRNA regulation (promotes)

Detected method:
Q
Validation methods:

RNase R Treatment; Actinomycin D / DRB Stability Assay; RT-qPCR; Clinical Sample Validation; Luciferase Reporter Assay; Transfection; CCK8; Colony Formation Assay; Annexin V/PI Flow Cytometry; Western Blot; IHC (Immunohistochemistry); In Vivo Animal Model; Survival Analysis; Bioinformatics Analysis

Clinical significance:

High circAGFG1 expression predicted a poor prognosis of CRC and circAGFG1 may be a therapeutic target for L-OHP-resistant CRC.

Description:

circAGFG1 is up-regulated in oxaliplatin-resistant colorectal cancer tissues and cells, and high expression is associated with poor prognosis. Functionally, circAGFG1 promotes glycolysis, proliferation, and L-OHP resistance while suppressing apoptosis. Mechanistically, circAGFG1 regulates PKM2 expression through miR-7-5p, forming a circAGFG1/miR-7-5p/PKM2 axis that affects oxaliplatin sensitivity.

Confidence score:

0.8198

Other information
Title:

CircAGFG1 absence decreases PKM2 expression to enhance oxaliplatin sensitivity in colorectal cancer in a miR-7-5p-dependent manner.

Journal: Journal of chemotherapy (Florence, Italy)
Published: 2024
PubMed ID: 37691430
Study type:

combined biological and clinical study

Data availability: -
Code availability: -