circRNA basic information
circBase ID: hsa_circ_0043526
Name: hsa_circ_CDC6
Synonym: circCDC6
Host Gene: CDC6
Genomic location(hg19): chr17:38450201-38450308:+
Genomic location(hg38): chr17:40293949-40294056:+
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005575
MONDO name: colorectal cancer
Disease details: colorectal cancer
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; paired normal tissues; tumor tissues excised from mice

Cell lines:

HCoEpiC; SW480; SW620; HCT116; LOVO

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: PRKAA2, Ago2
Associated microRNA: miR-3187-3p
Biological function: CircCDC6 acts as a tumor suppressor in CRC, repressing cell proliferation, survival, glycolysis energy metabolism and in vivo tumor growth, while inducing apoptosis.
Molecular mechanism: CircCDC6 functions as a miR-3187-3p sponge to upregulate PRKAA2, thereby suppressing CRC growth and glycolysis metabolism.
Biological pathway or process:

proliferation (inhibits); apoptosis (promotes); glycolysis (inhibits); ceRNA regulation (other)

Detected method:
Q
M
Validation methods:

RT-qPCR; Microarray; Clinical Sample Validation; Transfection; MTT; EdU Staining; Colony Formation Assay; Annexin V/PI Flow Cytometry; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); RNA Pull-Down; Western Blot; In Vivo Animal Model; IHC (Immunohistochemistry); Survival Analysis; Bioinformatics Analysis

Clinical significance:

Low circCDC6 expression was associated with advanced CRC stage and poor overall survival, while relatively high circCDC6 expression was linked to early stage and higher overall survival.

Description:

CircCDC6 is down-regulated in colorectal cancer tissues and cell lines, and higher circCDC6 expression is associated with better overall survival. Functionally, circCDC6 suppresses CRC cell proliferation, survival, glycolysis and xenograft tumor growth while promoting apoptosis. Mechanistically, it acts as a sponge for miR-3187-3p to upregulate PRKAA2 in the circCDC6/miR-3187-3p/PRKAA2 axis.

Confidence score:

0.8146

Other information
Title:

CircCDC6 restrains tumor growth and glycolysis energy metabolism in colorectal cancer via regulating miR-3187-3p and downstream PRKAA2.

Journal: Journal of bioenergetics and biomembranes
Published: 2022
PubMed ID: 35438362
Study type:

combined biological and clinical study

Data availability: GSE138589; Data availability Not applicable
Code availability: -