General Information of the Molecule (ID: Mol01462)
Name
hsa-mir-296 ,Homo sapiens
Synonyms
microRNA 296
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Molecule Type
Precursor miRNA
Gene Name
MIR296
Gene ID
407022
Location
chr20:58817615-58817694[-]
Sequence
AGGACCCUUCCAGAGGGCCCCCCCUCAAUCCUGUUGUGCCUAAUUCAGAGGGUUGGGUGG
AGGCUCUCCUGAAGGGCUCU
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Ensembl ID
ENSG00000284040
HGNC ID
HGNC:31617
Precursor Accession
MI0000747
        Click to Show/Hide the Complete Species Lineage
Kingdom: Metazoa
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Hominidae
Genus: Homo
Species: Homo sapiens
Type(s) of Resistant Mechanism of This Molecule
  EADR: Epigenetic Alteration of DNA, RNA or Protein
Drug Resistance Data Categorized by Drug
Approved Drug(s)
6 drug(s) in total
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Capecitabine
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Drug Resistance Data Categorized by Their Corresponding Mechanisms
       Epigenetic Alteration of DNA, RNA or Protein (EADR) Click to Show/Hide
Disease Class: Colon cancer [1]
Resistant Disease Colon cancer [ICD-11: 2B90.1]
Resistant Drug Capecitabine
Molecule Alteration Expression
Down-regulation
Experimental Note Identified from the Human Clinical Data
Experiment for
Molecule Alteration
qPCR
Experiment for
Drug Resistance
Response evaluation criteria in solid tumors assay
Mechanism Description The patients with decrease in miR-296 at 4 weeks may reflect a more aggressive tumor phenotype with increased metastasis and tumor cell invasiveness. The loss of miR-296 may be one of the mechanisms for primary resistance of colorectal cancer to chemotherapy.
Cisplatin
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Drug Sensitivity Data Categorized by Their Corresponding Mechanisms
       Epigenetic Alteration of DNA, RNA or Protein (EADR) Click to Show/Hide
Disease Class: Esophageal squamous cell carcinoma [2]
Sensitive Disease Esophageal squamous cell carcinoma [ICD-11: 2B70.3]
Sensitive Drug Cisplatin
Molecule Alteration Expression
Down-regulation
Experimental Note Identified from the Human Clinical Data
Cell Pathway Regulation Cell apoptosis Activation hsa04210
Cell growth Inhibition hsa05200
In Vitro Model ECA-109 cells Esophagus Homo sapiens (Human) CVCL_6898
Experiment for
Molecule Alteration
RT-PCR; Northern blotting analysis
Experiment for
Drug Resistance
WST-1 assay
Mechanism Description Down-regulation of miR-296 could confer sensitivity of both P-glycoprotein-related and P-glycoprotein-nonrelated drugs on esophageal cancer cells, and might promote ADR-induced apoptosis, accompanied by increased accumulation and decreased releasing amount of ADR. Down-regulation of miR-296 could significantly decrease the expression of P-glycoprotein, Bcl-2, and the transcription of MDR1, but up-regulate the expression of Bax.
Doxorubicin
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Drug Sensitivity Data Categorized by Their Corresponding Mechanisms
       Epigenetic Alteration of DNA, RNA or Protein (EADR) Click to Show/Hide
Disease Class: Esophageal squamous cell carcinoma [2]
Sensitive Disease Esophageal squamous cell carcinoma [ICD-11: 2B70.3]
Sensitive Drug Doxorubicin
Molecule Alteration Expression
Down-regulation
Experimental Note Identified from the Human Clinical Data
Cell Pathway Regulation Cell apoptosis Activation hsa04210
Cell growth Inhibition hsa05200
In Vitro Model ECA-109 cells Esophagus Homo sapiens (Human) CVCL_6898
Experiment for
Molecule Alteration
RT-PCR; Northern blotting analysis
Experiment for
Drug Resistance
WST-1 assay
Mechanism Description Down-regulation of miR-296 could confer sensitivity of both P-glycoprotein-related and P-glycoprotein-nonrelated drugs on esophageal cancer cells, and might promote ADR-induced apoptosis, accompanied by increased accumulation and decreased releasing amount of ADR. Down-regulation of miR-296 could significantly decrease the expression of P-glycoprotein, Bcl-2, and the transcription of MDR1, but up-regulate the expression of Bax.
Fluorouracil
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Drug Sensitivity Data Categorized by Their Corresponding Mechanisms
       Epigenetic Alteration of DNA, RNA or Protein (EADR) Click to Show/Hide
Disease Class: Esophageal squamous cell carcinoma [2]
Sensitive Disease Esophageal squamous cell carcinoma [ICD-11: 2B70.3]
Sensitive Drug Fluorouracil
Molecule Alteration Expression
Down-regulation
Experimental Note Identified from the Human Clinical Data
Cell Pathway Regulation Cell apoptosis Activation hsa04210
Cell growth Inhibition hsa05200
In Vitro Model ECA-109 cells Esophagus Homo sapiens (Human) CVCL_6898
Experiment for
Molecule Alteration
RT-PCR; Northern blotting analysis
Experiment for
Drug Resistance
WST-1 assay
Mechanism Description Down-regulation of miR-296 could confer sensitivity of both P-glycoprotein-related and P-glycoprotein-nonrelated drugs on esophageal cancer cells, and might promote ADR-induced apoptosis, accompanied by increased accumulation and decreased releasing amount of ADR. Down-regulation of miR-296 could significantly decrease the expression of P-glycoprotein, Bcl-2, and the transcription of MDR1, but up-regulate the expression of Bax.
Sunitinib
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Drug Resistance Data Categorized by Their Corresponding Mechanisms
       Epigenetic Alteration of DNA, RNA or Protein (EADR) Click to Show/Hide
Disease Class: Colon cancer [1]
Resistant Disease Colon cancer [ICD-11: 2B90.1]
Resistant Drug Sunitinib
Molecule Alteration Expression
Down-regulation
Experimental Note Identified from the Human Clinical Data
Experiment for
Molecule Alteration
qPCR
Experiment for
Drug Resistance
Response evaluation criteria in solid tumors assay
Mechanism Description The patients with decrease in miR-296 at 4 weeks may reflect a more aggressive tumor phenotype with increased metastasis and tumor cell invasiveness. The loss of miR-296 may be one of the mechanisms for primary resistance of colorectal cancer to chemotherapy.
Vincristine
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Drug Sensitivity Data Categorized by Their Corresponding Mechanisms
       Epigenetic Alteration of DNA, RNA or Protein (EADR) Click to Show/Hide
Disease Class: Esophageal squamous cell carcinoma [2]
Sensitive Disease Esophageal squamous cell carcinoma [ICD-11: 2B70.3]
Sensitive Drug Vincristine
Molecule Alteration Expression
Down-regulation
Experimental Note Identified from the Human Clinical Data
Cell Pathway Regulation Cell apoptosis Activation hsa04210
Cell growth Inhibition hsa05200
In Vitro Model ECA-109 cells Esophagus Homo sapiens (Human) CVCL_6898
Experiment for
Molecule Alteration
RT-PCR; Northern blotting analysis
Experiment for
Drug Resistance
WST-1 assay
Mechanism Description Down-regulation of miR-296 could confer sensitivity of both P-glycoprotein-related and P-glycoprotein-nonrelated drugs on esophageal cancer cells, and might promote ADR-induced apoptosis, accompanied by increased accumulation and decreased releasing amount of ADR. Down-regulation of miR-296 could significantly decrease the expression of P-glycoprotein, Bcl-2, and the transcription of MDR1, but up-regulate the expression of Bax.
References
Ref 1 Decrease in blood miR-296 predicts chemotherapy resistance and poor clinical outcome in patients receiving systemic chemotherapy for metastatic colon cancer. Int J Colorectal Dis. 2013 Jun;28(6):887. doi: 10.1007/s00384-012-1560-1. Epub 2012 Aug 15.
Ref 2 The prognostic and chemotherapeutic value of miR-296 in esophageal squamous cell carcinoma. Ann Surg. 2010 Jun;251(6):1056-63. doi: 10.1097/SLA.0b013e3181dd4ea9.

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