circRNA basic information
circBase ID: -
Name: hsa_circ_TMEM165
Synonym: CircTMEM165
Host Gene: TMEM165
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: nucleus and cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005010
MONDO name: coronary artery disorder
Disease details: in-stent restenosis / ISR
Disease DO ID:
3393
Disease MeSH ID:
D003324
Disease NCIt ID:
C26732
Disease ICD11 ID:
1059873720
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

serum; vascular tissues; arteries; carotid arteries

Cell lines:

HUVECs; THP-1; VSMCs

In vivo animal model:

other disease animal model

circRNA-disease information
Expression pattern:
DN
Associated gene: SCP2, DRP1, MFN1, AGO2, AKT, NF-kappaB p65
Associated microRNA: miR-192-3p
Biological function: Inhibits inflammation and adhesion; inhibits apoptosis; inhibits mitochondrial fission; attenuates intimal hyperplasia and promotes endothelial repair in vivo.
Molecular mechanism: Acts as a miRNA sponge (ceRNA) for miR-192-3p to enhance SCP2 expression; modulates mitochondrial fission (DRP1) and NF-kappaB signaling under LPS stimulation.
Biological pathway or process:

NF-kappaB (inhibits); apoptosis (inhibits); mitochondrial function (inhibits); inflammation (inhibits); ceRNA regulation (promotes)

Detected method:
Q
H
Validation methods:

RT-qPCR; FISH / smFISH; Back-Splice Junction PCR / divergent primers PCR; Sanger Sequencing; RNase R Treatment; Actinomycin D / DRB Stability Assay; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); RNA Pull-Down; Transfection; Annexin V/PI Flow Cytometry; TUNEL; Western Blot; In Vivo Animal Model; H&E Staining; IHC (Immunohistochemistry); Bioinformatics Analysis; CCK8; Transwell Assay

Clinical significance:

Downregulated in ISR patients and inversely correlates with ISR severity; proposed as a potential biomarker and therapeutic target.

Description:

CircTMEM165 is down-regulated in ISR patient serum and vascular tissues and is decreased after carotid balloon injury. It protects endothelial cells by inhibiting LPS-induced inflammation/adhesion and reducing apoptosis and mitochondrial fission, acting mainly through a ceRNA mechanism by sponging miR-192-3p to increase SCP2 and suppress NF-kappaB signaling and DRP1-associated fission.

Confidence score:

0.8479

Other information
Title:

CircTMEM165 facilitates endothelial repair by modulating mitochondrial fission via miR-192/SCP2 in vitro and in vivo.

Journal: iScience
Published: 2024
PubMed ID: 38591009
Study type:

combined biological and clinical study

Data availability: Data reported in this paper will be shared by the lead contact upon request.
Code availability: Original code in this paper will be shared by the lead contact upon request.