circRNA basic information
circBase ID: hsa_circ_0011385
Name: hsa_circ_EIF3I
Synonym: circRNA 100146
Host Gene: EIF3I
Genomic location(hg19): chr1:32691771-32692131:+
Genomic location(hg38): chr1:32226170-32226530:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005233
MONDO name: non-small cell lung carcinoma
Disease details: non-small cell lung cancer
Disease DO ID:
3908
Disease MeSH ID:
D002289
Disease NCIt ID:
C2926
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

NSCLC cancer tissue; adjacent tissue / paracancerous tissues

Cell lines:

16HBE; 16HBE-T; A549; H446; H1299; 95-D; H460; HEK-293T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: SF3B3, SF3B2, SF3A1, NFAT5, COL1A1, TRAF3, MEF2C
Associated microRNA: miR-361-3p, miR-615-5p
Biological function: promotes proliferation, invasion and migration; inhibits apoptosis; promotes tumor growth in vivo
Molecular mechanism: binds miR-361-3p and miR-615-5p and regulates downstream mRNAs; interacts with splicing factor SF3 family (including SF3B3) and forms endogenous competitive relationships
Biological pathway or process:

proliferation (promotes); apoptosis (inhibits); migration (promotes); invasion (promotes); ceRNA regulation (promotes)

Detected method:
Q
M
Validation methods:

Microarray; RT-qPCR; Back-Splice Junction PCR / divergent primers PCR; Sanger Sequencing; RNase R Treatment; FISH / smFISH; Nuclear-Cytoplasmic Fractionation; Clinical Sample Validation; ROC Analysis; Bioinformatics Analysis; RNA Pull-Down; Luciferase Reporter Assay; Transfection; EdU Staining; Annexin V/PI Flow Cytometry; Transwell Assay; Wound Healing Assay; In Vivo Animal Model; H&E Staining; IHC (Immunohistochemistry); Western Blot

Clinical significance:

ROC curve analysis suggested circRNA 100146 may serve as a biomarker for distinguishing cancerous tissue from adjacent non-cancerous lung tissue (AUC 0.643).

Description:

circRNA 100146 is up-regulated in NSCLC tissues and cell lines and acts as an oncogene. Its knockdown suppresses proliferation, migration/invasion and tumor growth while promoting apoptosis, partly by sponging miR-361-3p and miR-615-5p to affect downstream targets and by interacting with SF3 family splicing factors (including SF3B3).

Confidence score:

0.8792

Other information
Title:

Circular RNA 100146 functions as an oncogene through direct binding to miR-361-3p and miR-615-5p in non-small cell lung cancer.

Journal: Molecular cancer
Published: 2019
PubMed ID: 30665425
Study type:

combined biological and clinical study

Data availability: The online version of this article (10.1186/s12943-019-0943-0) contains supplementary material
Code availability: -