circRNA basic information
circBase ID: hsa_circ_0082182
Name: hsa_circ_FAM71F2
Synonym: circ_0082182
Host Gene: FAM71F2
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:

OXA-sensitive tissues; OXA-resistant tissues; OXA-sensitive and -resistant CRC tissues; tumor tissues

Cell lines:

NCM460; SW480; HCT-116; SW480/OXA; HCT-116/OXA

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: NFIB, FAM71F2
Associated microRNA: miR-326
Biological function: Promotes oxaliplatin resistance, tumor growth, proliferation, invasion, migration, and malignant progression, and inhibits apoptosis in OXA-resistant colorectal cancer cells.
Molecular mechanism: Circ_0082182 acts as a miR-326 sponge to upregulate NFIB expression, thereby promoting oxaliplatin resistance and malignant progression in colorectal cancer.
Biological pathway or process:

drug resistance (promotes); chemoresistance (promotes); proliferation (promotes); apoptosis (inhibits); invasion (promotes); migration (promotes); metastasis (promotes); ceRNA regulation (other)

Detected method:
Q
Validation methods:

RNase R Treatment; RT-qPCR; Clinical Sample Validation; Nuclear-Cytoplasmic Fractionation; Transfection; CCK8; EdU Staining; Annexin V/PI Flow Cytometry; Transwell Assay; Wound Healing Assay; Western Blot; Luciferase Reporter Assay; In Vivo Animal Model; IHC (Immunohistochemistry); Bioinformatics Analysis

Clinical significance:

Circ_0082182 was overexpressed in OXA-resistant CRC tissues and may be used to elevate chemosensitivity in OXA-resistant CRC cells via expression knockdown.

Description:

Circ_0082182 is up-regulated in oxaliplatin-resistant colorectal cancer tissues and cells. It promotes oxaliplatin resistance and malignant progression by sponging miR-326 and increasing NFIB expression, while circ_0082182 knockdown enhances chemosensitivity and suppresses tumor growth in a xenograft model.

Confidence score:

0.786

Other information
Title:

Circ_0082182 upregulates the NFIB level via sponging miR-326 to promote oxaliplatin resistance and malignant progression of colorectal cancer cells.

Journal: Molecular and cellular biochemistry
Published: 2023
PubMed ID: 36219357
Study type:

combined biological and clinical study

Data availability: Not applicable
Code availability: -