circRNA basic information
circBase ID: -
Name: hsa_circ_DDX17
Synonym: circDDX17 / DEAD-box helicase 17 circRNA
Host Gene: DEAD-box helicase 17
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
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 tissues; adjacent normal tissues; xenograft tumor tissues

Cell lines:

NCM460; HCT116; SW480

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: KANK1
Associated microRNA: miR-31-5p
Biological function: Enhances 5-Fu sensitivity, promotes apoptosis, inhibits invasion, EMT, tumor growth, 5-Fu resistance and CRC progression.
Molecular mechanism: circDDX17 functions as a ceRNA/molecular sponge for miR-31-5p, thereby increasing KANK1 expression and reducing 5-Fu resistance and tumor progression.
Biological pathway or process:

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

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Bioinformatics Analysis; Luciferase Reporter Assay; Transfection; CCK8; Annexin V/PI Flow Cytometry; Transwell Assay; Western Blot; In Vivo Animal Model

Clinical significance:

May provide a promising target or effective treatment strategy for CRC patients.

Description:

circDDX17 is down-regulated in colorectal cancer tissues and cells. Its upregulation enhances 5-Fu sensitivity, promotes apoptosis, and suppresses invasion, EMT and tumor growth by sponging miR-31-5p and increasing KANK1 expression. The study suggests circDDX17 may be a therapeutic target for overcoming CRC chemoresistance.

Confidence score:

0.6536

Other information
Title:

CircDDX17 reduces 5-fluorouracil resistance and hinders tumorigenesis in colorectal cancer by regulating miR-31-5p/KANK1 axis.

Journal: European review for medical and pharmacological sciences
Published: 2020
PubMed ID: 32141542
Study type:

combined biological and clinical study

Data availability: -
Code availability: -