circRNA basic information
circBase ID: hsa_circ_0030998
Name: hsa_circ_LAMP1
Synonym: Circ_0030998
Host Gene: LAMP1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005575
MONDO name: colorectal cancer
Disease details: colorectal cancer
Disease DO ID:
5672, 9256
Disease MeSH ID:
-
Disease NCIt ID:
C4978
Disease ICD11 ID:
-
Disease OMIM ID:
114500
Species: Human
Species details: Homo sapiens
Tissue specimen:

CRC tissues; neighboring nontumor tissues; tumor tissues

Cell lines:

HT29; SW620; DLD-1; HCT116; SW480; LoVo; NCM460; HUVECs

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: VEGFA, Ago2
Associated microRNA: miR-567
Biological function: promotes CRC cell proliferation and angiogenesis
Molecular mechanism: Acts as a ceRNA/miRNA sponge for miR-567, relieving miR-567 inhibition of VEGFA, thereby increasing VEGFA and promoting proliferation and angiogenesis.
Biological pathway or process:

proliferation (promotes); angiogenesis (promotes); cell cycle (promotes); ceRNA regulation (promotes)

Detected method:
Q
M
Validation methods:

Microarray; RT-qPCR; FISH / smFISH; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); Transfection; CCK8; Colony Formation Assay; Cell Cycle Assay; Tube Formation Assay; Western Blot; In Vivo Animal Model; Clinical Sample Validation; Survival Analysis; Bioinformatics Analysis

Clinical significance:

Upregulation/high expression of Circ_0030998 is associated with lymph node metastasis, TNM stage, and poor prognosis; high Circ_0030998 levels had shorter survival and Circ_0030998 expression was an independent prognostic factor.

Description:

Circ_0030998 is up-regulated in colorectal cancer tissues and cell lines and promotes CRC proliferation, cell-cycle progression, and HUVEC angiogenesis. It mainly localizes to the cytoplasm and functions as a ceRNA by sponging miR-567, thereby relieving miR-567-mediated repression of VEGFA. High Circ_0030998 expression is associated with shorter survival and serves as an independent prognostic factor in CRC.

Confidence score:

0.7859

Other information
Title:

Circ_0030998 promotes tumor proliferation and angiogenesis by sponging miR-567 to regulate VEGFA in colorectal cancer.

Journal: Cell death discovery
Published: 2021
PubMed ID: 34226531
Study type:

combined biological and clinical study

Data availability: GSE138589; All data presented in the study is available from the corresponding author on reasonable request.
Code availability: -