circRNA basic information
circBase ID: hsa_circ_0104103
Name: hsa_circ_LACTB
Synonym: circ0104103 / Circ_0104103
Host Gene: LACTB
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: nucleus and cytoplasm
 
 
 
 
 
 
 
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 tissue; adjacent nontumor tissue

Cell lines:

NCM460; HCT116; HT29; HCT8; SW480; SW620; DLD1; CACO2; 293 T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: HuR, LACTB
Associated microRNA: miR-373-5p
Biological function: inhibits CRC cell growth, migration, invasion and metastasis; may inhibit angiogenesis
Molecular mechanism: binds HuR to promote LACTB mRNA stability; acts as a ceRNA sponge for miR-373-5p to increase LACTB expression
Biological pathway or process:

proliferation (inhibits); migration (inhibits); invasion (inhibits); metastasis (inhibits); angiogenesis (inhibits); ceRNA regulation (other)

Detected method:
Q
H
Validation methods:

RT-qPCR; Sanger Sequencing; Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Actinomycin D / DRB Stability Assay; Nuclear-Cytoplasmic Fractionation; FISH / smFISH; ISH (In Situ Hybridization); RNA Pull-Down; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; Bioinformatics Analysis; Transfection; Colony Formation Assay; EdU Staining; Wound Healing Assay; Transwell Assay; Western Blot; In Vivo Animal Model; H&E Staining; IHC (Immunohistochemistry); Clinical Sample Validation

Clinical significance:

circ0104103 expression was correlated with tumor invasion depth and TNM stage; may be a novel biomarker and therapeutic target in CRC

Description:

circ0104103 is down-regulated in colorectal cancer and functions as a tumor suppressor by inhibiting proliferation, migration/invasion, and metastasis. It increases LACTB expression through dual mechanisms: binding HuR to enhance LACTB mRNA stability and sponging miR-373-5p to relieve repression of LACTB.

Confidence score:

0.8817

Other information
Title:

Circular RNA circ0104103 inhibits colorectal cancer progression through interactions with HuR and miR-373-5p.

Journal: Cancer science
Published: 2023
PubMed ID: 36562402
Study type:

combined biological and clinical study

Data availability: Data are available from the corresponding author upon reasonable request.
Code availability: -