circRNA basic information
circBase ID: hsa_circ_0101802
Name: hsa_circ_PNN
Synonym: circ-PNN / circ_0101802
Host Gene: PNN
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: exosome
 
 
 
 
 
 
 
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:

plasma

Cell lines:

HCT116; SW480; 293T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: FGF13, Ago2
Associated microRNA: miR-1225-5p
Biological function: promotes proliferation, migration and invasion and inhibits apoptosis in colorectal cancer cells; promotes tumor growth in vivo
Molecular mechanism: circ-PNN acts as a ceRNA sponge for miR-1225-5p to upregulate FGF13 expression
Biological pathway or process:

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

Detected method:
Q
Validation methods:

RT-qPCR; RNase R Treatment; Actinomycin D / DRB Stability Assay; Transfection; CCK8; Colony Formation Assay; EdU Staining; Annexin V/PI Flow Cytometry; Transwell Assay; Wound Healing Assay; Western Blot; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; In Vivo Animal Model; IHC (Immunohistochemistry); Bioinformatics Analysis; Clinical Sample Validation

Clinical significance:

potential therapeutic target for CRC

Description:

Exosomal circ-PNN is up-regulated in plasma exosomes from colorectal cancer patients and promotes CRC cell proliferation, migration/invasion while inhibiting apoptosis, as well as enhancing xenograft tumor growth. Mechanistically, circ-PNN functions as a ceRNA sponge for miR-1225-5p to increase FGF13 expression, forming a circ-PNN/miR-1225-5p/FGF13 regulatory axis.

Confidence score:

0.8299

Other information
Title:

Tumor-Derived Exosomal Circular RNA Pinin Induces FGF13 Expression to Promote Colorectal Cancer Progression through miR-1225-5p.

Journal: Gut and liver
Published: 2024
PubMed ID: 38384181
Study type:

combined biological and clinical study

Data availability: available from the corresponding author on reasonable request; https://doi.org/10.5009/gnl230304
Code availability: -