circRNA basic information
circBase ID: hsa_circ_0003180
Name: hsa_circ_SEC24A
Synonym: circSEC24A
Host Gene: SEC24A
Genomic location(hg19): chr5:134002512-134007576:+
Genomic location(hg38): chr5:134666822-134671886:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0009831
MONDO name: malignant pancreatic neoplasm
Disease details: pancreatic cancer
Disease DO ID:
1793
Disease MeSH ID:
-
Disease NCIt ID:
C9005
Disease ICD11 ID:
542147910
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

pancreatic cancer tissues; adjacent normal tissues; xenograft tumor tissues

Cell lines:

HPDE; PANC-1; MIA PaCa-2; SW1990; BxPC-3

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: TGFBR2, AKT
Associated microRNA: miR-606
Biological function: promotes proliferation; promotes migration; promotes invasion; promotes tumor growth in vivo; promotes EMT
Molecular mechanism: circSEC24A sponges miR-606 to relieve repression of TGFBR2, thereby activating AKT signaling.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); EMT (promotes); PI3K/AKT (promotes); ceRNA regulation (promotes)

Detected method:
Q
M
Validation methods:

RT-qPCR; RNase R Treatment; FISH / smFISH; Nuclear-Cytoplasmic Fractionation; Luciferase Reporter Assay; Transfection; CCK8; EdU Staining; Colony Formation Assay; Cell Cycle Assay; Transwell Assay; Wound Healing Assay; Western Blot; IHC (Immunohistochemistry); In Vivo Animal Model; H&E Staining; Bioinformatics Analysis; Clinical Sample Validation; Microarray

Clinical significance:

circSEC24A might be used as a critical biomarker influencing the early diagnosis and prognosis of pancreatic cancer.

Description:

circSEC24A is up-regulated in pancreatic cancer tissues and cell lines and promotes pancreatic cancer cell proliferation, migration, invasion, EMT and xenograft tumor growth. Mechanistically, it acts as a ceRNA by sponging miR-606 to de-repress TGFBR2, which contributes to activation of PI3K/AKT signaling.

Confidence score:

0.7995

Other information
Title:

CircSEC24A upregulates TGFBR2 expression to accelerate pancreatic cancer proliferation and migration via sponging to miR-606.

Journal: Cancer cell international
Published: 2021
PubMed ID: 34906151
Study type:

combined biological and clinical study

Data availability: GSE69362
Code availability: -