circRNA basic information
circBase ID: -
Name: hsa_circ_FOXP1
Synonym: circFoxp1
Host Gene: Foxp1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: exosome
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005140
MONDO name: ovarian carcinoma
Disease details: epithelial ovarian cancer
Disease DO ID:
4001
Disease MeSH ID:
-
Disease NCIt ID:
C4908
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

serum; serum exosomes; tumor tissues

Cell lines:

COC1; OVCAR3; SKOV3; SKOV3/DDP; IOSE-80

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: CCAAT enhancer binding protein gamma (CEBPG), formin like 3 (FMNL3)
Associated microRNA: miR-22, miR-150-3p
Biological function: Promotes EOC cell proliferation and confers cisplatin (DDP) resistance; knockdown inhibits proliferation and enhances DDP sensitivity; promotes tumor growth in vivo.
Molecular mechanism: Acts as a miRNA sponge for miR-22 and miR-150-3p, thereby positively regulating CEBPG and FMNL3 expression and promoting chemoresistance and proliferation.
Biological pathway or process:

proliferation (promotes); drug resistance (promotes); ceRNA regulation (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Survival Analysis; ROC Analysis; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); Transfection; EdU Staining; CCK8; In Vivo Animal Model; IHC (Immunohistochemistry); Bioinformatics Analysis

Clinical significance:

High serum exosomal circFoxp1 is associated with advanced clinical features, predicts survival and disease recurrence, and shows diagnostic value (ROC AUC=0.914).

Description:

Circulating serum exosomal circFoxp1 is up-regulated in EOC, especially in cisplatin-resistant patients, and high levels predict poorer survival and recurrence. Functionally, circFoxp1 promotes proliferation and cisplatin resistance in vitro and in a xenograft model by sponging miR-22 and miR-150-3p, thereby increasing CEBPG and FMNL3 expression.

Confidence score:

0.7853

Other information
Title:

Circulating exosomal circFoxp1 confers cisplatin resistance in epithelial ovarian cancer cells.

Journal: Journal of gynecologic oncology
Published: 2020
PubMed ID: 32808501
Study type:

combined biological and clinical study

Data availability: -
Code availability: -