| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2009-07-25 00:12:51 UTC |
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| Update Date | 2022-03-07 02:51:28 UTC |
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| HMDB ID | HMDB0013078 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Stearoylethanolamide |
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| Description | Stearoylethanolamide is an N-acylethanolamine. N-acylethanolamines (NAEs) constitute a class of lipid compounds naturally present in both animal and plant membranes as constituents of the membrane-bound phospholipid, N-acylphosphatidylethanolamine (NAPE). NAPE is composed of a third fatty acid moiety linked to the amino head group of the commonly occurring membrane phospholipid, phosphatidylethanolamine. NAEs are released from NAPE by phospholipase D-type hydrolases in response to a variety of stimuli. Transient NAE release and accumulation has been attributed a variety of biological activities, including neurotransmission, membrane protection, and immunomodulation in animals. N-oleoylethanolamine is an inhibitor of the sphingolipid signaling pathway, via specific ceramidase inhibition (ceramidase converts ceramide to sphingosine). N-oleoylethanolamine blocks the effects of TNF- and arachidonic acid on intracellular Ca concentration. (PMID: 12692337 , 12056855 , 12560208 , 11997249 ). |
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| Structure | CCCCCCCCCCCCCCCCCC(=O)NCCO InChI=1S/C20H41NO2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-20(23)21-18-19-22/h22H,2-19H2,1H3,(H,21,23) |
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| Synonyms | | Value | Source |
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| Monoethanolamine stearic acid amide | ChEBI | | N-(2-Hydroxyethyl)stearamide | ChEBI | | N-(Hydroxyethyl)stearamide | ChEBI | | N-(Otadecanoyl)-ethanolamine | ChEBI | | N-Octadecanoyl ethanolamine | ChEBI | | N-Octadecanoylethanolamine | ChEBI | | N-Stearoylethanolamine | ChEBI | | Stearamide mea | ChEBI | | Stearic acid monoethanolamide | ChEBI | | Stearic ethanolamide | ChEBI | | Stearic monoethanolamide | ChEBI | | Stearoyl ethanolamide | ChEBI | | Stearoyl-ea | ChEBI | | Stearoyl-ethanolamine | ChEBI | | Stearoylmonoethanolamide | ChEBI | | Monoethanolamine stearate amide | Generator | | Stearate monoethanolamide | Generator | | N-(2-Hydroxyethyl)stearoylamide | MeSH | | Stearoylethanolamide | ChEBI |
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| Chemical Formula | C20H41NO2 |
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| Average Molecular Weight | 327.545 |
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| Monoisotopic Molecular Weight | 327.313729561 |
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| IUPAC Name | N-(2-hydroxyethyl)octadecanamide |
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| Traditional Name | stearoyl-ethanolamine |
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| CAS Registry Number | 111-57-9 |
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| SMILES | CCCCCCCCCCCCCCCCCC(=O)NCCO |
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| InChI Identifier | InChI=1S/C20H41NO2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-20(23)21-18-19-22/h22H,2-19H2,1H3,(H,21,23) |
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| InChI Key | OTGQIQQTPXJQRG-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as n-acylethanolamines. N-acylethanolamines are compounds containing an N-acyethanolamine moiety, which is characterized by an acyl group is linked to the nitrogen atom of ethanolamine. |
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| Kingdom | Organic compounds |
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| Super Class | Organic nitrogen compounds |
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| Class | Organonitrogen compounds |
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| Sub Class | Amines |
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| Direct Parent | N-acylethanolamines |
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| Alternative Parents | |
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| Substituents | - N-acylethanolamine
- Fatty amide
- N-acyl-amine
- Fatty acyl
- Carboxamide group
- Secondary carboxylic acid amide
- Carboxylic acid derivative
- Alcohol
- Organooxygen compound
- Primary alcohol
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Organic oxygen compound
- Carbonyl group
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | |
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| Role | |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 10.6 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 21.2934 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.65 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3005.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 477.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 239.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 227.2 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 591.2 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 885.2 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 814.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 161.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1972.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 613.9 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1909.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 704.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 489.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 549.0 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 412.1 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 7.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Stearoylethanolamide,1TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)NCCO[Si](C)(C)C | 2719.5 | Semi standard non polar | 33892256 | | Stearoylethanolamide,1TMS,isomer #2 | CCCCCCCCCCCCCCCCCC(=O)N(CCO)[Si](C)(C)C | 2691.3 | Semi standard non polar | 33892256 | | Stearoylethanolamide,2TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)N(CCO[Si](C)(C)C)[Si](C)(C)C | 2805.8 | Semi standard non polar | 33892256 | | Stearoylethanolamide,2TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)N(CCO[Si](C)(C)C)[Si](C)(C)C | 2793.3 | Standard non polar | 33892256 | | Stearoylethanolamide,2TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)N(CCO[Si](C)(C)C)[Si](C)(C)C | 2740.6 | Standard polar | 33892256 | | Stearoylethanolamide,1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)NCCO[Si](C)(C)C(C)(C)C | 2938.6 | Semi standard non polar | 33892256 | | Stearoylethanolamide,1TBDMS,isomer #2 | CCCCCCCCCCCCCCCCCC(=O)N(CCO)[Si](C)(C)C(C)(C)C | 2943.2 | Semi standard non polar | 33892256 | | Stearoylethanolamide,2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)N(CCO[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3254.1 | Semi standard non polar | 33892256 | | Stearoylethanolamide,2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)N(CCO[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3113.6 | Standard non polar | 33892256 | | Stearoylethanolamide,2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)N(CCO[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2959.4 | Standard polar | 33892256 |
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| Spectra |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - Stearoylethanolamide GC-MS (Non-derivatized) - 70eV, Positive | splash10-00kb-7690000000-058feb2aa4543a87879c | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Stearoylethanolamide GC-MS (1 TMS) - 70eV, Positive | splash10-00e9-9451000000-4a8d0aaef26523b9d425 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Stearoylethanolamide GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 10V, Positive-QTOF | splash10-03di-9015000000-04b06df4f18a2695af88 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 20V, Positive-QTOF | splash10-03di-9010000000-bf79ed793c07da4886fd | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 40V, Positive-QTOF | splash10-01ox-9100000000-20c9688837b9850b4548 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 10V, Negative-QTOF | splash10-004i-1039000000-2d305f2c3bd765f78e40 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 20V, Negative-QTOF | splash10-06vi-7089000000-befa65d8e9e007e8b576 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 40V, Negative-QTOF | splash10-0006-9020000000-1472dfcab540d83a08dc | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 10V, Negative-QTOF | splash10-004i-0019000000-cc99ff530bce79baba6d | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 20V, Negative-QTOF | splash10-004i-4129000000-00d237b7d4ec2a1824d7 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 40V, Negative-QTOF | splash10-052f-9010000000-a12df29170edc96e14b9 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 10V, Positive-QTOF | splash10-01t9-9008000000-7b0df318580cc5d339b4 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 20V, Positive-QTOF | splash10-03dl-9000000000-587c1faffef10730ea57 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Stearoylethanolamide 40V, Positive-QTOF | splash10-0006-9000000000-c4efc52e371af1f6271a | 2021-09-23 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-18 | Wishart Lab | View Spectrum |
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| Biological Properties |
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| Cellular Locations | |
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| Biospecimen Locations | |
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| Tissue Locations | Not Available |
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| Pathways | |
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| Normal Concentrations |
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| Blood | Detected and Quantified | 15 +/- 11 uM | Adult (>18 years old) | Both | Normal | | details | | Blood | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details | | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details | | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details | | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details | | Urine | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details |
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| Abnormal Concentrations |
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| Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Colorectal cancer | | details | | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Colorectal cancer | | details |
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| Associated Disorders and Diseases |
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| Disease References | | Colorectal cancer |
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- Sinha R, Ahn J, Sampson JN, Shi J, Yu G, Xiong X, Hayes RB, Goedert JJ: Fecal Microbiota, Fecal Metabolome, and Colorectal Cancer Interrelations. PLoS One. 2016 Mar 25;11(3):e0152126. doi: 10.1371/journal.pone.0152126. eCollection 2016. [PubMed:27015276 ]
- Goedert JJ, Sampson JN, Moore SC, Xiao Q, Xiong X, Hayes RB, Ahn J, Shi J, Sinha R: Fecal metabolomics: assay performance and association with colorectal cancer. Carcinogenesis. 2014 Sep;35(9):2089-96. doi: 10.1093/carcin/bgu131. Epub 2014 Jul 18. [PubMed:25037050 ]
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| Associated OMIM IDs | |
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| External Links |
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| DrugBank ID | Not Available |
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| Phenol Explorer Compound ID | Not Available |
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| FooDB ID | FDB029286 |
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| KNApSAcK ID | Not Available |
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| Chemspider ID | 25958 |
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| KEGG Compound ID | Not Available |
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| BioCyc ID | Not Available |
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| BiGG ID | Not Available |
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| Wikipedia Link | Stearoylethanolamide |
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| METLIN ID | Not Available |
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| PubChem Compound | 27902 |
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| PDB ID | Not Available |
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| ChEBI ID | 85299 |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | STEETH |
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| MarkerDB ID | Not Available |
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| Good Scents ID | rw1303741 |
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| References |
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| Synthesis Reference | Not Available |
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| Material Safety Data Sheet (MSDS) | Download (PDF) |
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| General References | - Hofmann U, Domeier E, Frantz S, Laser M, Weckler B, Kuhlencordt P, Heuer S, Keweloh B, Ertl G, Bonz AW: Increased myocardial oxygen consumption by TNF-alpha is mediated by a sphingosine signaling pathway. Am J Physiol Heart Circ Physiol. 2003 Jun;284(6):H2100-5. Epub 2003 Jan 30. [PubMed:12560208 ]
- Tripathy S, Kleppinger-Sparace K, Dixon RA, Chapman KD: N-acylethanolamine signaling in tobacco is mediated by a membrane-associated, high-affinity binding protein. Plant Physiol. 2003 Apr;131(4):1781-91. [PubMed:12692337 ]
- Lecour S, Smith RM, Woodward B, Opie LH, Rochette L, Sack MN: Identification of a novel role for sphingolipid signaling in TNF alpha and ischemic preconditioning mediated cardioprotection. J Mol Cell Cardiol. 2002 May;34(5):509-18. [PubMed:12056855 ]
- Amadou A, Nawrocki A, Best-Belpomme M, Pavoine C, Pecker F: Arachidonic acid mediates dual effect of TNF-alpha on Ca2+ transients and contraction of adult rat cardiomyocytes. Am J Physiol Cell Physiol. 2002 Jun;282(6):C1339-47. [PubMed:11997249 ]
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