circRNA basic information
circBase ID: -
Name: hsa_circ_DOCK1
Synonym: circDOCK1 / cirDOCK1
Host Gene: DOCK1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007254
MONDO name: breast cancer
Disease details: HER2-positive breast cancer
Disease DO ID:
1612
Disease MeSH ID:
-
Disease NCIt ID:
C9335
Disease ICD11 ID:
1047754165
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

HER2-positive breast cancer tissues; paired normal tissues

Cell lines:

SKBR3; BT474

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: GRB7, Ago2
Associated microRNA: miR-138-5p
Biological function: promotes migration and invasion; promotes metastasis and progression
Molecular mechanism: ceRNA mechanism: circDOCK1 sponges miR-138-5p to upregulate GRB7
Biological pathway or process:

migration (promotes); invasion (promotes); metastasis (promotes); ceRNA regulation (promotes)

Detected method:
Q
S
Validation methods:

RNA-seq; RT-qPCR; Clinical Sample Validation; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); Transfection; Transwell Assay; Survival Analysis; Bioinformatics Analysis

Clinical significance:

CircDOCK1 expression was elevated in breast cancer patients and correlated with adverse clinicopathologic parameters; patients with high circDOCK1 level had poor outcomes.

Description:

circDOCK1 is up-regulated in HER2-positive breast cancer and promotes migration/invasion and metastatic progression. Mechanistically, circDOCK1 acts as a ceRNA by sponging miR-138-5p to increase GRB7 expression. High circDOCK1 expression correlates with adverse clinicopathologic features and poorer DFS/OS.

Confidence score:

0.7474

Other information
Title:

Identification and Validation of circDOCK1/miR-138-5p/GRB7 Axis for Promoting Breast Cancer Progression.

Journal: Breast cancer (Dove Medical Press)
Published: 2024
PubMed ID: 39628959
Study type:

combined biological and clinical study

Data availability: available from the corresponding author on reasonable request
Code availability: -