circRNA basic information
circBase ID: hsa_circ_0051443
Name: -
Synonym: circ-0051443
Host Gene: -
Genomic location(hg19): chr19:45667421-45668228:-
Genomic location(hg38): chr19:45164163-45164970:-
Subcellular localization: cytoplasm; exosome
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007256
MONDO name: hepatocellular carcinoma
Disease details: hepatocellular carcinoma / HCC
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:

plasma exosomes; HCC tissues; normal adjacent tissues; xenograft tumor tissues

Cell lines:

HL-7702; HuH7; Hep3b

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: BAK1, Ago2
Associated microRNA: miR-331-3p
Biological function: Circ-0051443 suppresses malignant biological behaviors of HCC cells, inhibits proliferation and tumor growth, promotes apoptosis, and arrests the cell cycle in G0/G1 phase.
Molecular mechanism: Exosomal circ-0051443 functions as a ceRNA by sponging miR-331-3p to regulate BAK1 expression and suppress HCC progression.
Biological pathway or process:

ceRNA regulation (promotes); proliferation (inhibits); apoptosis (promotes); cell cycle (inhibits); other pathway/process (inhibits)

Detected method:
Q
S
M
Validation methods:

RNase R Treatment; RT-qPCR; Microarray; Clinical Sample Validation; ROC Analysis; Transfection; CCK8; Cell Cycle Assay; Annexin V/PI Flow Cytometry; Nuclear-Cytoplasmic Fractionation; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; Bioinformatics Analysis; Western Blot; IHC (Immunohistochemistry); In Vivo Animal Model

Clinical significance:

Exosomal circ-0051443 can distinguish patients with HCC from controls and may serve as a diagnostic marker, predictor, and potential therapeutic target for HCC.

Description:

hsa_circ_0051443/circ-0051443 is down-regulated in HCC tissues and plasma exosomes. Normal liver cell-derived exosomes can transmit circ-0051443 to HCC cells, where it suppresses proliferation and tumor growth, promotes apoptosis, and arrests the cell cycle. Mechanistically, exosomal circ-0051443 acts as a ceRNA for miR-331-3p to upregulate BAK1 and may serve as a diagnostic biomarker and therapeutic target for HCC.

Confidence score:

0.8423

Other information
Title:

Exosome-transmitted circular RNA hsa_circ_0051443 suppresses hepatocellular carcinoma progression.

Journal: Cancer letters
Published: 2020
PubMed ID: 32014458
Study type:

combined biological and clinical study

Data availability: All data are available upon request; Supplementary data: https://doi.org/10.1016/j.canlet.2020.01.022
Code availability: -