circRNA basic information
circBase ID: hsa_circ_0004771
Name: hsa_circ_NRIP1
Synonym: circNRIP1
Host Gene: NRIP1
Genomic location(hg19): chr21:16386664-16415895:-
Genomic location(hg38): chr21:15014343-15043574:-
Subcellular localization: extracellular vesicle
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0009807
MONDO name: osteosarcoma
Disease details: osteosarcoma
Disease DO ID:
3347
Disease MeSH ID:
D012516
Disease NCIt ID:
C9145
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

osteosarcoma tissues; adjacent normal tissues

Cell lines:

MG63; U2OS; hFOB 1.19; HEK-293T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: AKT3, PI3K/AKT signaling pathway
Associated microRNA: miR-532-3p
Biological function: promotes proliferation, migration, invasion and tumor growth
Molecular mechanism: EV-delivered circNRIP1 acts as a miRNA sponge for miR-532-3p, relieving miR-532-3p-mediated repression of AKT3 and activating PI3K/AKT signaling
Biological pathway or process:

PI3K/AKT (promotes); proliferation (promotes); migration (promotes); invasion (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; Bioinformatics Analysis; FISH / smFISH; RNA Pull-Down; Luciferase Reporter Assay; Transfection; CCK8; Transwell Assay; Western Blot; In Vivo Animal Model; Clinical Sample Validation

Clinical significance:

potential prognostic biomarker and therapeutic target in osteosarcoma

Description:

In osteosarcoma, circNRIP1 is up-regulated and promotes malignant phenotypes (proliferation, migration, invasion) and tumor growth. It is delivered by BMSC-derived extracellular vesicles and functions as a sponge for miR-532-3p, thereby de-repressing AKT3 and activating the PI3K/AKT pathway.

Confidence score:

0.7283

Other information
Title:

CircNRIP1 Encapsulated by Bone Marrow Mesenchymal Stem Cell-Derived Extracellular Vesicles Aggravates Osteosarcoma by Modulating the miR-532-3p/AKT3/PI3K/AKT Axis.

Journal: Frontiers in oncology
Published: 2021
PubMed ID: 34660257
Study type:

combined biological and clinical study

Data availability: GSE41445; https://www.frontiersin.org/articles/10.3389/fonc.2021.658139/full#supplementary-material
Code availability: -