circRNA basic information
circBase ID: hsa_circ_0000515
Name: hsa_circ_RPPH1
Synonym: -
Host Gene: RPPH1
Genomic location(hg19): chr14:20811305-20811534:-
Genomic location(hg38): chr14:20343146-20343375:-
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007254
MONDO name: breast cancer
Disease details: breast cancer / BC
Disease DO ID:
1612
Disease MeSH ID:
-
Disease NCIt ID:
C9335
Disease ICD11 ID:
1047754165
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

BC tissues; matched normal tissues

Cell lines:

MCF-10A; MCF-7; MDA-MB-231; MDA-MB-468; SK-BR-3

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: ARHGAP1
Associated microRNA: miR-542-3p
Biological function: circ_RPPH1 promotes breast cancer cell proliferation, migration, invasion, EMT, and tumor growth, and inhibits apoptosis.
Molecular mechanism: circ_RPPH1 acts as a miR-542-3p sponge to upregulate ARHGAP1 expression, thereby contributing to breast cancer progression.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); EMT (promotes); apoptosis (inhibits); ceRNA regulation (other)

Detected method:
Q
Validation methods:

RNase R Treatment; Actinomycin D / DRB Stability Assay; RT-qPCR; Clinical Sample Validation; Bioinformatics Analysis; Luciferase Reporter Assay; Transfection; MTT; Colony Formation Assay; Annexin V/PI Flow Cytometry; Transwell Assay; Western Blot; In Vivo Animal Model

Clinical significance:

circ_RPPH1 was suggested as a novel target for BC treatment.

Description:

circ_RPPH1 is up-regulated in breast cancer tissues and cell lines. It functions as an oncogenic circRNA by sponging miR-542-3p and thereby increasing ARHGAP1 expression, which promotes proliferation, migration, invasion, EMT, and xenograft tumor growth while suppressing apoptosis.

Confidence score:

0.7595

Other information
Title:

circRNA RPPH1 Facilitates the Aggravation of Breast Cancer Development by Regulating miR-542-3p/ARHGAP1 Pathway.

Journal: Cancer biotherapy & radiopharmaceuticals
Published: 2022
PubMed ID: 34402683
Study type:

combined biological and clinical study

Data availability: GSE101124
Code availability: -