circRNA basic information
circBase ID: hsa_circ_0049658
Name: hsa_circ_NFIX
Synonym: circNFIX / circular nuclear factor IX
Host Gene: NFIX
Genomic location(hg19): chr19:13183860-13192669:+
Genomic location(hg38): chr19:13073046-13081855:+
Subcellular localization: nucleus and cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0008170
MONDO name: ovarian cancer
Disease details: ovarian cancer / OC
Disease DO ID:
2394
Disease MeSH ID:
D010051
Disease NCIt ID:
C7431
Disease ICD11 ID:
685124533
Disease OMIM ID:
167000
Species: Human
Species details: Homo sapiens
Tissue specimen:

OC tumor tissues; adjacent tissues

Cell lines:

HOSEPiCs; 3AO; OVCAR3; A2780; SKOV3

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: LIN28B, SH3RF3
Associated microRNA: -
Biological function: promotes proliferation, migration, invasion, and stemness properties of ovarian cancer cells
Molecular mechanism: circNFIX binds LIN28B and recruits it to enhance SH3RF3 mRNA stability and translation, maintaining SH3RF3 expression
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); stemness (promotes); EMT (promotes); mRNA stability (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; RNase R Treatment; Back-Splice Junction PCR / divergent primers PCR; Nuclear-Cytoplasmic Fractionation; RIP (RNA Immunoprecipitation); Transfection; CCK8; Transwell Assay; Sphere-formation assay; Western Blot; Clinical Sample Validation

Clinical significance:

high circNFIX level was positively correlated with higher tumor pathological grade and advanced FIGO stage; positively correlated to tumor metastasis

Description:

circNFIX is up-regulated in ovarian cancer tissues and cell lines and promotes proliferation, migration/invasion, EMT-like changes, and stemness. Mechanistically, circNFIX binds the RBP LIN28B to enhance SH3RF3 mRNA stability/translation, thereby maintaining SH3RF3 expression and driving malignant phenotypes.

Confidence score:

0.762

Other information
Title:

CircNFIX stimulates the proliferation, invasion, and stemness properties of ovarian cancer cells by enhancing SH3RF3 mRNA stability via binding LIN28B.

Journal: The Kaohsiung journal of medical sciences
Published: 2023
PubMed ID: 36495291
Study type:

combined biological and clinical study

Data availability: -
Code availability: -