ncRNA name
hsa-miR-221
Specific or universal ncRNAs
Universal ncRNAs
Class
MicroRNA
Biomarker
Yes
Biomarker application
Prognosis/Treatment
Upstream regulatory factors
Not available
Downstream target
PTEN
Cancer name
Breast Cancer
Cancer site
Breast
Treatment type
Chemotherapy
Drug
Trastuzumab
Impact of wild-type ncRNA on chemotherapy resistance
Up
Impact of knockdown of ncRNA on chemotherapy resistance
Impact of overexpression of ncRNA on chemotherapy resistance
ncRNA differential expression in
cancer
patients vs. healthy people
Not available
Number of patients
Not available
Male patients
Not available
Female patients
Not available
Age range and number
Not available
PMID
Description
These findings indicate that miR-221 may promote trastuzumab resistance and metastasis of HER2-positive breast cancers by targeting PTEN.
Tissue resource
breast cancer samples
Experiment
qRT-PCR,Western blot,Luciferase reporter assay
Institute
Xijing Hospital affiliated to the Fourth Military Medical University
Country
China
Continent
Asia