circRNA basic information
circBase ID: hsa_circ_0004585
Name: hsa_circ_CEMIP
Synonym: circCEMIP / circ_0004585
Host Gene: CEMIP
Genomic location(hg19): chr15:81166204-81212640:+
Genomic location(hg38): chr15:80873863-80920299:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0008315
MONDO name: prostate cancer
Disease details: prostate cancer / PCa
Disease DO ID:
10283
Disease MeSH ID:
D011471
Disease NCIt ID:
C7378
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

PCa tissue; adjacent normal prostate tissue

Cell lines:

PC-3; DU145; C4-2; LNCaP; RWPE-1; 22RV1

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: TM9SF4
Associated microRNA: miR-1248
Biological function: promotes protective autophagy, anoikis-resistance, invasion and metastasis in prostate cancer cells
Molecular mechanism: ceRNA sponging miR-1248 to upregulate TM9SF4, leading to mTOR phosphorylation inhibition and autophagy activation
Biological pathway or process:

autophagy (promotes); PI3K/AKT/mTOR (inhibits); metastasis (promotes); invasion (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; divergent primers PCR; Sanger Sequencing; RNase R Treatment; FISH / smFISH; RNA Pull-Down; RIP (RNA Immunoprecipitation); Luciferase Reporter Assay; Transfection; Transwell Assay; Wound Healing Assay; Annexin V/PI Flow Cytometry; CCK8; Western Blot; IF (Immunofluorescence); TEM; In Vivo Animal Model; H&E Staining; Bioinformatics Analysis

Clinical significance:

circ_0004585 can possibly be used for the PCa diagnosis and prognosis evaluation.

Description:

circ_0004585 (circCEMIP; hsa_circ_0004585), derived from the CEMIP gene, is upregulated in prostate cancer tissues and anoikis-resistant PCa cells and mainly localizes to the cytoplasm. It promotes invasion/metastasis and anoikis-resistance by acting as a ceRNA that sponges miR-1248 to increase TM9SF4, which suppresses mTOR phosphorylation and enhances protective autophagy.

Confidence score:

0.8007

Other information
Title:

CircCEMIP promotes anoikis-resistance by enhancing protective autophagy in prostate cancer cells.

Journal: Journal of experimental & clinical cancer research : CR
Published: 2022
PubMed ID: 35655258
Study type:

combined biological and clinical study

Data availability: The datasets used and/or analysed during the current study are available from the corresponding author on reasonable request.
Code availability: -