circRNA basic information
circBase ID: hsa_circ_0000745
Name: hsa_circ_SPECC1
Synonym: circ_0000745
Host Gene: SPECC1
Genomic location(hg19): chr17:20107645-20109225:+
Genomic location(hg38): chr17:20204332-20205912:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0004967
MONDO name: acute lymphoblastic leukemia
Disease details: acute lymphoblastic leukemia
Disease DO ID:
9952
Disease MeSH ID:
-
Disease NCIt ID:
C3167
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

peripheral blood samples

Cell lines:

Kasumi-1; KG-1; human primary T cells

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: NET1, Ago2, SPECC1
Associated microRNA: miR-494-3p
Biological function: promotes ALL progression, cell cycle progression and glycolytic metabolism; inhibits apoptosis and ferroptosis
Molecular mechanism: circ_0000745 acts as a miR-494-3p sponge to positively regulate NET1 expression
Biological pathway or process:

ceRNA regulation (promotes); cell cycle (promotes); glycolysis (promotes); apoptosis (inhibits); ferroptosis (inhibits); proliferation (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Actinomycin D / DRB Stability Assay; RNase R Treatment; Nuclear-Cytoplasmic Fractionation; Transfection; Annexin V/PI Flow Cytometry; Cell Cycle Assay; MTT; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); Western Blot; Bioinformatics Analysis

Clinical significance:

Circ_0000745/miR-494-3p/NET1 axis may provide novel potential targets for the diagnosis and treatment of ALL.

Description:

circ_0000745 is up-regulated in peripheral blood samples from ALL patients and in ALL cell lines. Functionally, circ_0000745 promotes ALL cell cycle progression and glycolytic metabolism while inhibiting apoptosis and ferroptosis. Mechanistically, it acts as a miR-494-3p sponge to up-regulate NET1 expression, suggesting the circ_0000745/miR-494-3p/NET1 axis as a potential diagnostic and therapeutic target in ALL.

Confidence score:

0.8111

Other information
Title:

Circ_0000745 promotes acute lymphoblastic leukemia progression through mediating miR-494-3p/NET1 axis.

Journal: Hematology (Amsterdam, Netherlands)
Published: 2022
PubMed ID: 34957935
Study type:

combined biological and clinical study

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