circRNA basic information
circBase ID: hsa_circ_0049613
Name: hsa_circ_MAST1
Synonym: circMAST1
Host Gene: MAST1
Genomic location(hg19): chr19:12962747-12963209:+
Genomic location(hg38): chr19:12851933-12852395:+
Subcellular localization: nucleus and cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0002974
MONDO name: cervical cancer
Disease details: cervical cancer / CC
Disease DO ID:
4362
Disease MeSH ID:
-
Disease NCIt ID:
C9311
Disease ICD11 ID:
1256072522
Disease OMIM ID:
603956
Species: Human
Species details: Homo sapiens
Tissue specimen:

CCa tissues; normal cervical tissues

Cell lines:

H8; SiHa; HeLa; HeLa229; ME180; MS751; Caski

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: NAT10, YAP mRNA, YAP
Associated microRNA: -
Biological function: Inhibits tumor growth and lymph node metastasis; suppresses proliferation, migration and invasion of cervical cancer cells.
Molecular mechanism: circMAST1 directly binds/sequesters NAT10, blocks NAT10 binding to YAP mRNA, reduces NAT10-mediated ac4C modification of YAP mRNA, decreases YAP mRNA stability and promotes degradation, thereby suppressing CCa progression.
Biological pathway or process:

proliferation (inhibits); migration (inhibits); invasion (inhibits); metastasis (inhibits); mRNA stability (inhibits); m6A modification (other); Hippo/YAP (inhibits)

Detected method:
Q
M
Validation methods:

Microarray; RT-qPCR; Back-Splice Junction PCR / divergent primers PCR; Sanger Sequencing; RNase R Treatment; Actinomycin D / DRB Stability Assay; Nuclear-Cytoplasmic Fractionation; FISH / smFISH; Clinical Sample Validation; Transfection; CCK8; Colony Formation Assay; Transwell Assay; RNA-seq; Western Blot; RNA Pull-Down; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; IHC (Immunohistochemistry); IF (Immunofluorescence); In Vivo Animal Model; Survival Analysis

Clinical significance:

Low circMAST1 expression was correlated with poor prognosis/overall survival and with tumor size and lymph node metastasis in CCa patients.

Description:

circMAST1 is down-regulated in cervical cancer and acts as a tumor suppressor. It binds and sequesters NAT10, reducing NAT10-mediated ac4C modification of YAP mRNA, which decreases YAP mRNA stability and inhibits tumor growth and lymph node metastasis.

Confidence score:

0.8861

Other information
Title:

CircMAST1 inhibits cervical cancer progression by hindering the N4-acetylcytidine modification of YAP mRNA.

Journal: Cellular & molecular biology letters
Published: 2024
PubMed ID: 38331765
Study type:

combined biological and clinical study

Data availability: The online version contains supplementary material available at 10.1186/s11658-024-00540-6; The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request.
Code availability: -