circRNA basic information
circBase ID: -
Name: hsa_circ_XPO1
Synonym: circXPO1-2
Host Gene: XPO1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005575
MONDO name: colorectal cancer
Disease details: colorectal cancer / CRC
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:

CRC tumor tissues; adjacent non-tumor tissues

Cell lines:

SW620; LoVo

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: VASP, KRT17
Associated microRNA: -
Biological function: inhibits CRC cell proliferation, migration, and invasion; suppresses tumor growth in vivo
Molecular mechanism: circXPO1-2 overexpression down-regulates positive regulators of AKT/ERK pathway (e.g., VASP, KRT17) and modulates apoptosis and oxidative phosphorylation programs.
Biological pathway or process:

proliferation (inhibits); migration (inhibits); invasion (inhibits); apoptosis (promotes); oxidative phosphorylation (promotes); cell cycle (inhibits); MAPK (inhibits); ERK (inhibits)

Detected method:
Q
S
Validation methods:

divergent primers PCR; Sanger Sequencing; RNase R Treatment; RT-qPCR; Nuclear-Cytoplasmic Fractionation; FISH / smFISH; Clinical Sample Validation; Transfection; CCK8; Colony Formation Assay; Transwell Assay; In Vivo Animal Model; RNA-seq; Bioinformatics Analysis

Clinical significance:

circXPO1-2 was significantly down-regulated in CRC tumor tissues compared with matched adjacent non-tumor tissues; lower expression in TNM late-stage.

Description:

circXPO1-2 is significantly down-regulated in colorectal cancer tissues and is mainly localized in the cytoplasm. Its overexpression suppresses CRC cell proliferation, migration, invasion and xenograft tumor growth, potentially by down-regulating AKT/ERK-associated regulators (e.g., VASP, KRT17) and shifting gene programs toward apoptosis and oxidative phosphorylation.

Confidence score:

0.7663

Other information
Title:

Transcriptome-scale analysis of functional alternative back-splicing events in colorectal cancer.

Journal: Journal of translational medicine
Published: 2025
PubMed ID: 40275292
Study type:

combined biological and clinical study

Data availability: PRJNA694010; PRJNA945510
Code availability: -