circRNA basic information
circBase ID: hsa_circ_0001251
Name: hsa_circ_TBC1D22A
Synonym: circTBC1D22A
Host Gene: TBC1D22A
Genomic location(hg19): chr22:47188416-47193517:+
Genomic location(hg38): chr22:46792519-46797620:+
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005575
MONDO name: colorectal cancer
Disease details: colorectal cancer / CRC
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; paired colorectal mucosa; paraffin-embedded CRC samples; fresh CRC tissues

Cell lines:

HCT116; LOVO; SW620; CACO2; SW480; HCT15; RKO; HT29

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: ATG14, PIK3C3, Beclin-1, LC3B, AKT-mTOR pathway
Associated microRNA: miR-1825
Biological function: Suppresses proliferation and migration; promotes autophagy; inhibits CRC progression and metastasis
Molecular mechanism: Acts as a miRNA sponge for miR-1825 to restore/upregulate ATG14 expression, regulating autophagy; inhibits AKT-mTOR pathway activation
Biological pathway or process:

autophagy (promotes); proliferation (inhibits); migration (inhibits); invasion (other); metastasis (inhibits); PI3K/AKT/mTOR (inhibits); ceRNA regulation (promotes)

Detected method:
Q
S
Validation methods:

circRNA-seq; RNase R Treatment; RT-qPCR; RNA Pull-Down; Luciferase Reporter Assay; Transfection; CCK8; Transwell Assay; Wound Healing Assay; Western Blot; In Vivo Animal Model; H&E Staining; Bioinformatics Analysis; Clinical Sample Validation

Clinical significance:

-

Description:

circTBC1D22A is down-regulated in colorectal cancer tissues and functions as a tumor suppressor. It sponges miR-1825 to restore ATG14 expression, promoting autophagy and thereby inhibiting CRC cell proliferation, migration, and metastasis; it also counteracts AKT-mTOR activation.

Confidence score:

0.7949

Other information
Title:

CircTBC1D22A inhibits the progression of colorectal cancer through autophagy regulated via miR-1825/ATG14 axis.

Journal: iScience
Published: 2024
PubMed ID: 38439965
Study type:

combined biological and clinical study

Data availability: GSE8671; GSE108153; GSE252689
Code availability: -