circRNA basic information
circBase ID: hsa_circ_0022340
Name: hsa_circ_SYT7
Synonym: circ_0022340
Host Gene: SYT7
Genomic location(hg19): chr11:61295386-61300596:-
Genomic location(hg38): chr11:61527914-61533124:-
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:

paraffin-embedded tissues from in vivo tumor growth assay

Cell lines:

FHC; LOVO; HT-29; HCT116; SW480

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: HNRNPC, EBF1 mRNA, SYT7, ELK1, Ago2
Associated microRNA: miR-382-5p
Biological function: promotes CRC cell proliferation, migration, tumor growth and disease progression
Molecular mechanism: circ_0022340 recruits HNRNPC to stabilize EBF1 mRNA and thereby activates SYT7; circ_0022340 also acts as a ceRNA by targeting miR-382-5p to up-regulate ELK1
Biological pathway or process:

proliferation (promotes); migration (promotes); ceRNA regulation (promotes); mRNA stability (promotes)

Detected method:
Q
Validation methods:

Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Sanger Sequencing; Actinomycin D / DRB Stability Assay; RT-qPCR; FISH / smFISH; Nuclear-Cytoplasmic Fractionation; RIP (RNA Immunoprecipitation); RNA Pull-Down; Luciferase Reporter Assay; ChIP / ChIP-seq; Transfection; EdU Staining; Colony Formation Assay; Transwell Assay; In Vivo Animal Model; IHC (Immunohistochemistry); Western Blot; Bioinformatics Analysis

Clinical significance:

might provide a novel target for CRC treatment

Description:

circ_0022340 is up-regulated in colorectal cancer cells and acts as an oncogenic circRNA. It promotes CRC proliferation, migration and tumor growth by recruiting HNRNPC to stabilize EBF1 mRNA and activate SYT7, and by sponging miR-382-5p to increase ELK1 expression. The study suggests circ_0022340 may be a potential therapeutic target for CRC.

Confidence score:

0.8597

Other information
Title:

Circ_0022340 promotes colorectal cancer progression via HNRNPC/EBF1/SYT7 or miR-382-5p/ELK1 axis.

Journal: Cellular and molecular biology (Noisy-le-Grand, France)
Published: 2022
PubMed ID: 36495510
Study type:

biological research

Data availability: TCGA database; UCSC website (http://genome.ucsc.edu); JASPAR software (http://jaspar.genereg.net/); starbase (http://starbase.sysu.edu.cn/); PITA; RNA22; miRanda
Code availability: -