Detail Information of Transcriptional Regulations

General Information of Drug Transporter (DT)
DT ID DTD0021 Transporter Info
Gene Name SLC15A1
Transporter Name Peptide transporter 1
Gene ID
6564
UniProt ID
P46059

Transcriptional Regulation of This DT (TSR)

TF Superclass 1: Basic domains

      Class 1.1: Basic leucine zipper factors

Click to Show/Hide the Full List of 2 TF(s) Regulating This DT

        CREB1 

Click to Show/Hide to Show 1 Transcriptional Phenomena      

       Transcriptional Phenomenon 1

 Activation of SLC15A1 gene in colon cancer condition [1]

TF Protein Name

 Cyclic AMP-responsive element-binding protein 1 Transcription Factor Info

Studied Phenotype

 Colon cancer [ICD11: 2B90]

Tissue

 Colon

Related DT Changes

 Up regulating

Experimental Material

 Human colon adenocarcinoma cells (Caco2-BBE)

Detailed Description

 Cyclic AMP-responsive element-binding protein 1 (CREB1) has been reported to activate the transcription of SLC15A1 gene in colon cancer condition, which leads to an increased expression of the drug transporter Peptide transporter 1.

        NFE2L2 

Click to Show/Hide to Show 1 Transcriptional Phenomena      

       Transcriptional Phenomenon 1

 Activation of SLC15A1 gene in colon cancer condition [2]

TF Protein Name

 Nuclear factor erythroid 2-related factor 2 Transcription Factor Info

Studied Phenotype

 Colon cancer [ICD11: 2B90]

Tissue

 Colon

Related DT Changes

 up regulating

Experimental Material

 Human colon adenocarcinoma cells (Caco-2)

Detailed Description

 Nuclear factor erythroid 2-related factor 2 (NFE2L2), influenced by the exogenous resveratrol, has been reported to activate the transcription of SLC15A1 gene in colon cancer condition , which leads to an increased expression of the drug transporter Peptide transporter 1.

TF Superclass 2: Zinc-coordinating DNA-binding domains

      Class 2.1: Nuclear receptors with C4 zinc fingers

Click to Show/Hide the Full List of 1 TF(s) Regulating This DT

        PPARA 

Click to Show/Hide to Show 1 Transcriptional Phenomena      

       Transcriptional Phenomenon 1

 Activation of SLC15A1 gene in effects of [3]

TF Protein Name

 Peroxisome proliferator-activated receptor alpha Transcription Factor Info

Affected Drug/Substrate

 Glycylsarcosine

Studied Phenotype

 Effects of hunger [ICD11: NF07.0]

Tissue

 Colon

Related DT Changes

 Up regulating

Experimental Material

 Wistar rats

Detailed Description

 Peroxisome proliferator-activated receptor alpha (PPARA) has been reported to activate the transcription of SLC15A1 gene in effects of hunger condition, which leads to an increased expression of the drug transporter Peptide transporter 1.

TF Superclass 3: Helix-turn-helix domains

      Class 3.1: Homeo domain factors

Click to Show/Hide the Full List of 1 TF(s) Regulating This DT

        CDX2 

Click to Show/Hide to Show 2 Transcriptional Phenomena      

       Transcriptional Phenomenon 1

 Activation of SLC15A1 gene in gastric cancer condition [4]

TF Protein Name

 Homeobox protein CDX-2 Transcription Factor Info

Studied Phenotype

 Gastric cancer [ICD11: 2B72]

Tissue

 Stomach

Related DT Changes

 Up regulating

Experimental Material

 human gastric cancer cell isolates

Detailed Description

 Homeobox protein CDX-2 (CDX2) has been reported to activate the transcription of SLC15A1 gene in gastric cancer condition, which leads to an increased expression of the drug transporter Peptide transporter 1.

       Transcriptional Phenomenon 2

 Activation of SLC15A1 gene in colitis condition [5]

TF Protein Name

 Homeobox protein CDX-2 Transcription Factor Info

Studied Phenotype

 Colitis [ICD11: 1A40]

Tissue

 Colon

Related DT Changes

 Up regulating

Experimental Material

 FVB mice

Detailed Description

 Homeobox protein CDX-2 (CDX2) has been reported to activate the transcription of SLC15A1 gene in colitis condition, which leads to an increased expression of the drug transporter Peptide transporter 1.
References
1 Leptin transcriptionally enhances peptide transporter (hPepT1) expression and activity via the cAMP-response element-binding protein and Cdx2 transcription factors. J Biol Chem. 2007 Jan 12;282(2):1359-73.
2 Nrf2 regulates the expression of the peptide transporter PEPT1 in the human colon carcinoma cell line Caco-2. Biochim Biophys Acta. 2014 Jun;1840(6):1747-54.
3 Induction of intestinal peptide transporter 1 expression during fasting is mediated via peroxisome proliferator-activated receptor alpha. Am J Physiol Gastrointest Liver Physiol. 2006 Nov;291(5):G851-6.
4 The transcription factor Cdx2 regulates the intestine-specific expression of human peptide transporter 1 through functional interaction with Sp1. Biochem Pharmacol. 2006 May 28;71(11):1581-8.
5 Pathogenic bacteria induce colonic PepT1 expression: an implication in host defense response. Gastroenterology. 2009 Oct;137(4):1435-47.e1-2.

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