circRNA basic information
circBase ID: hsa_circ_0020095
Name: hsa_circ_ATRNL1
Synonym: -
Host Gene: ATRNL1
Genomic location(hg19): chr10:116975454-117075246:+
Genomic location(hg38): chr10:115215696-115315736:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0021063
MONDO name: malignant colon neoplasm
Disease details: colon cancer
Disease DO ID:
219
Disease MeSH ID:
-
Disease NCIt ID:
C9242
Disease ICD11 ID:
1265576634
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

CC tissues; adjacent normal tissues; xenograft tumors

Cell lines:

NCM460; HT29; SW480; SW620; HCT116

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: SOX9, Met
Associated microRNA: miR-487a-3p, miR-338-3p
Biological function: promotes proliferation; promotes migration; promotes invasion; promotes cisplatin resistance; inhibits apoptosis
Molecular mechanism: circ_0020095 acts as a miRNA sponge for miR-487a-3p to relieve repression of SOX9 (3′-UTR), promoting oncogenic phenotypes and cisplatin resistance; additionally regulates Met via miR-338-3p.
Biological pathway or process:

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

Detected method:
Q
B
Validation methods:

RT-qPCR; Clinical Sample Validation; Back-Splice Junction PCR / divergent primers PCR; Sanger Sequencing; RNase R Treatment; FISH / smFISH; Northern Blot; Transfection; CCK8; Colony Formation Assay; Annexin V/PI Flow Cytometry; Transwell Assay; Wound Healing Assay; Luciferase Reporter Assay; RNA Pull-Down; Western Blot; IHC (Immunohistochemistry); In Vivo Animal Model

Clinical significance:

circ_0020095 expression was higher in metastatic CC tissues than in non-metastatic tissues

Description:

circ_0020095 (hsa_circ_0020095), derived from ATRNL1, is up-regulated in colon cancer tissues/cell lines and promotes proliferation, migration, invasion and cisplatin resistance while inhibiting apoptosis. It mainly functions as a cytoplasmic ceRNA that sponges miR-487a-3p to increase SOX9 (and also regulates Met via miR-338-3p), and its knockdown suppresses xenograft tumor growth.

Confidence score:

0.8533

Other information
Title:

Hsa_circ_0020095 Promotes Oncogenesis and Cisplatin Resistance in Colon Cancer by Sponging miR-487a-3p and Modulating SOX9.

Journal: Frontiers in cell and developmental biology
Published: 2020
PubMed ID: 33520987
Study type:

combined biological and clinical study

Data availability: The Supplementary Material for this article can be found online at: https://www.frontiersin.org/articles/10.3389/fcell.2020.604869/full#supplementary-material
Code availability: -