circRNA basic information
circBase ID: -
Name: hsa_circ_TRIM33
Synonym: -
Host Gene: TRIM33
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007256
MONDO name: hepatocellular carcinoma
Disease details: hepatocellular carcinoma
Disease DO ID:
684, 686
Disease MeSH ID:
D006528
Disease NCIt ID:
C3099
Disease ICD11 ID:
1294035808
Disease OMIM ID:
114550
Species: Human
Species details: Homo sapiens
Tissue specimen:

HCC tissues; adjacent nontumor liver tissues

Cell lines:

SMMC-7721; HCCLM3; Huh 7; HepG2; MHCC97L

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: TET1, AGO2, 5-hydroxymethylcytosine (5hmC)
Associated microRNA: miR-191
Biological function: Suppresses HCC cell proliferation, migration, invasion and immune evasion; inhibits tumor growth and pulmonary metastasis in vivo.
Molecular mechanism: Acts as a ceRNA/miRNA sponge for miR-191 to protect/upregulate TET1 (mainly at protein level), affecting DNA demethylation (5hmC).
Biological pathway or process:

proliferation (inhibits); migration (inhibits); invasion (inhibits); metastasis (inhibits); immune regulation (other); ceRNA regulation (promotes); m6A modification (not specified)

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Cohort Study; Survival Analysis; Transfection; CCK8; Cell Cycle Assay; Transwell Assay; In Vivo Animal Model; Western Blot; IF (Immunofluorescence); IHC (Immunohistochemistry); RIP (RNA Immunoprecipitation); circRIP; RNA Pull-Down; Luciferase Reporter Assay; RNA-seq; Bioinformatics Analysis

Clinical significance:

Low circTRIM33-12 expression correlates with malignant characteristics and is an independent risk factor for overall survival (OS) and recurrence-free survival (RFS) in HCC patients after surgery.

Description:

circTRIM33-12 is down-regulated in HCC and acts as a tumor suppressor. It sponges miR-191 to relieve repression of TET1 (increasing TET1 protein), influencing 5hmC/DNA demethylation and reducing proliferation, migration/invasion, metastasis and immune evasion; low circTRIM33-12 predicts worse prognosis and recurrence risk.

Confidence score:

0.8295

Other information
Title:

Circular RNA circTRIM33-12 acts as the sponge of MicroRNA-191 to suppress hepatocellular carcinoma progression.

Journal: Molecular cancer
Published: 2019
PubMed ID: 31153371
Study type:

combined biological and clinical study

Data availability: -
Code availability: -