circRNA basic information
circBase ID: hsa_circ_0000517
Name: hsa_circ_RPPH1
Synonym: circ_0000517
Host Gene: RPPH1
Genomic location(hg19): chr14:20811404-20811492:-
Genomic location(hg38): chr14:20343245-20343333:-
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 tissue samples; adjoining normal tissues; tumor tissues; normal lung tissues

Cell lines:

A549; NCI-H226; HCC827; NCI-H1792; BEAS-2B; 16HBE

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: CDH6, METTL14
Associated microRNA: miR-1233-3p
Biological function: Promotes NSCLC cell proliferation, migration, invasion, tumor growth, metastasis and EMT; circ_0000517 silencing inhibits these malignant phenotypes.
Molecular mechanism: METTL14-mediated m6A modification increases circ_0000517 RNA stability, leading to upregulation; cytoplasmic circ_0000517 functions as a ceRNA that sponges miR-1233-3p to increase CDH6 expression and promote EMT and malignant progression in NSCLC.
Biological pathway or process:

m6A modification (promotes); mRNA stability (promotes); ceRNA regulation (promotes); proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); EMT (promotes)

Detected method:
Q
M
Validation methods:

Microarray; RT-qPCR; Clinical Sample Validation; Nuclear-Cytoplasmic Fractionation; Transfection; CCK8; Colony Formation Assay; Wound Healing Assay; Transwell Assay; In Vivo Animal Model; Bioinformatics Analysis; MeRIP / MeRIP-seq; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; Actinomycin D / DRB Stability Assay; Western Blot

Clinical significance:

circ_0000517 may serve as a promising therapeutic target and potential predictor for NSCLC prognosis.

Description:

circ_0000517 is up-regulated in NSCLC tissues and cell lines and acts as an oncogenic circRNA. METTL14-mediated m6A modification stabilizes circ_0000517, while cytoplasmic circ_0000517 sponges miR-1233-3p to increase CDH6 expression, promoting proliferation, migration, invasion, tumor growth and EMT. The study suggests circ_0000517 as a potential therapeutic target in NSCLC.

Confidence score:

0.807

Other information
Title:

N6-methyladenosine-modified circ_0000517 promotes non-small cell lung cancer metastasis via miR-1233-3p/CDH6 axis.

Journal: Journal of molecular histology
Published: 2025
PubMed ID: 40278968
Study type:

combined biological and clinical study

Data availability: GSE158695; data available from the corresponding author upon reasonable request
Code availability: -