Record Information |
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Version | 5.0 |
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Status | Detected and Quantified |
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Creation Date | 2006-08-13 02:05:27 UTC |
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Update Date | 2023-02-21 17:16:45 UTC |
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HMDB ID | HMDB0003626 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | (R)-N-Methylsalsolinol |
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Description | 1(R),2(N)-dimethyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline [N-methyl-(R)salsolinol, NM(R)Sal] is the most potent toxin among isoquinolines. Endogenous isoquinolines with and without catechol structure have been proposed to be neurotoxins specific for dopamine neurons. (PMID 9085193 ). (R)salsolinol N-methyltransferase synthesizes N-methyl(R)salsolinol, which is further oxidized into 1,2-dimethyl-6,7-dihydroxyisoquinolinium ion by non-enzymatic and enzymatic oxidation. (PMID 14697894 ). Dopamine-derived N-methyl(R)salsolinol is an endogenous MPTP-like neurotoxin to cause Parkinson's disease. In the cerebrospinal fluid from newly diagnosed untreated patients with Parkinson's disease, the level of this toxin was found to increase significantly, compared to control and a disease control, multiple system atrophy. L-DOPA therapy did not seem to affect the level of this toxin. The results suggest that N-methyl(R)salsolinol level in the cerebrospinal fluid may indicate remaining dopamine neurons in the parkinsonian brain. (PMID 10076861 ). N-methyl(R)salsolinol (NM(R)Sal) induces apoptosis (but not necrosis) in SH-SY5Y cells, and the apoptotic cascade is initiated by mitochondrial permeability transition and activated by stepwise reactions. (PMID 12200198 ). |
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Structure | C[C@H]1N(C)CCC2=CC(O)=C(O)C=C12 InChI=1S/C11H15NO2/c1-7-9-6-11(14)10(13)5-8(9)3-4-12(7)2/h5-7,13-14H,3-4H2,1-2H3/t7-/m1/s1 |
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Synonyms | Value | Source |
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N-Methyl-(R)-salsolinol | HMDB, MeSH | Salsoline hydrochloride, hydrate (4:4:1) | MeSH, HMDB | Salsoline | MeSH, HMDB | Salsoline hydrochloride | MeSH, HMDB | (+)-Salsoline | MeSH, HMDB | Salsoline (-)-form | MeSH, HMDB | D-Salosine | MeSH, HMDB | Salsoline hydrochloride, (R)-isomer | MeSH, HMDB | 1(R),2(N)-Dimethyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline | MeSH, HMDB | Salsoline hydrochloride, (S)-isomer | MeSH, HMDB | (S)-Salsoline | MeSH, HMDB | 7-O-Methylsalsolinol | MeSH, HMDB | Methylsalsolinol | MeSH, HMDB | (-)-Salsoline | MeSH, HMDB |
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Chemical Formula | C11H15NO2 |
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Average Molecular Weight | 193.2423 |
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Monoisotopic Molecular Weight | 193.110278729 |
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IUPAC Name | (1R)-1,2-dimethyl-1,2,3,4-tetrahydroisoquinoline-6,7-diol |
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Traditional Name | N-methyl-(R)-salsolinol |
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CAS Registry Number | 53622-84-7 |
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SMILES | C[C@H]1N(C)CCC2=CC(O)=C(O)C=C12 |
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InChI Identifier | InChI=1S/C11H15NO2/c1-7-9-6-11(14)10(13)5-8(9)3-4-12(7)2/h5-7,13-14H,3-4H2,1-2H3/t7-/m1/s1 |
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InChI Key | RKMGOUZXGHZLBJ-SSDOTTSWSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as tetrahydroisoquinolines. These are tetrahydrogenated isoquinoline derivatives. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Tetrahydroisoquinolines |
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Sub Class | Not Available |
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Direct Parent | Tetrahydroisoquinolines |
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Alternative Parents | |
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Substituents | - Tetrahydroisoquinoline
- 1-hydroxy-2-unsubstituted benzenoid
- Aralkylamine
- Benzenoid
- Tertiary aliphatic amine
- Tertiary amine
- Azacycle
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Amine
- Aromatic heteropolycyclic compound
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Molecular Framework | Aromatic heteropolycyclic compounds |
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External Descriptors | Not Available |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | Not Available |
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Role | |
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Physical Properties |
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State | Solid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | Not Available | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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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 Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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(R)-N-Methylsalsolinol,1TMS,isomer #1 | C[C@@H]1C2=CC(O)=C(O[Si](C)(C)C)C=C2CCN1C | 1841.7 | Semi standard non polar | 33892256 | (R)-N-Methylsalsolinol,1TMS,isomer #2 | C[C@@H]1C2=CC(O[Si](C)(C)C)=C(O)C=C2CCN1C | 1831.1 | Semi standard non polar | 33892256 | (R)-N-Methylsalsolinol,2TMS,isomer #1 | C[C@@H]1C2=CC(O[Si](C)(C)C)=C(O[Si](C)(C)C)C=C2CCN1C | 1860.0 | Semi standard non polar | 33892256 | (R)-N-Methylsalsolinol,1TBDMS,isomer #1 | C[C@@H]1C2=CC(O)=C(O[Si](C)(C)C(C)(C)C)C=C2CCN1C | 2114.7 | Semi standard non polar | 33892256 | (R)-N-Methylsalsolinol,1TBDMS,isomer #2 | C[C@@H]1C2=CC(O[Si](C)(C)C(C)(C)C)=C(O)C=C2CCN1C | 2108.1 | Semi standard non polar | 33892256 | (R)-N-Methylsalsolinol,2TBDMS,isomer #1 | C[C@@H]1C2=CC(O[Si](C)(C)C(C)(C)C)=C(O[Si](C)(C)C(C)(C)C)C=C2CCN1C | 2338.4 | Semi standard non polar | 33892256 |
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Spectra |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - (R)-N-Methylsalsolinol GC-MS (Non-derivatized) - 70eV, Positive | splash10-004i-0900000000-ce38275a97947ad0c207 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - (R)-N-Methylsalsolinol GC-MS (2 TMS) - 70eV, Positive | splash10-00di-2294000000-e81b4cd0f6a60cdbf289 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - (R)-N-Methylsalsolinol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 10V, Positive-QTOF | splash10-0006-0900000000-630f003fbd29862656db | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 20V, Positive-QTOF | splash10-0006-0900000000-2332ab63301661d2ad8b | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 40V, Positive-QTOF | splash10-007a-3900000000-829765b96f19c1734e8f | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 10V, Negative-QTOF | splash10-0006-0900000000-550798399b578a198d46 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 20V, Negative-QTOF | splash10-0006-0900000000-6c3f6aefc7671bf92e4b | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 40V, Negative-QTOF | splash10-05di-3900000000-8e1121f2eeab5ab9b4ae | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 10V, Positive-QTOF | splash10-0006-0900000000-093c204a145d72b06e8c | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 20V, Positive-QTOF | splash10-0006-0900000000-a5e47e491134faa38fe4 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 40V, Positive-QTOF | splash10-0ab9-5900000000-23e7e3619291802dc08d | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 10V, Negative-QTOF | splash10-0006-0900000000-5326ed117e0a68853a6c | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 20V, Negative-QTOF | splash10-0006-0900000000-2db53ba347575442f27d | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-N-Methylsalsolinol 40V, Negative-QTOF | splash10-001i-1900000000-79f2043772ff52170248 | 2021-09-24 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum |
IR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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Biological Properties |
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Cellular Locations | Not Available |
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Biospecimen Locations | - Cerebrospinal Fluid (CSF)
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Tissue Locations | Not Available |
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Pathways | |
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Normal Concentrations |
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Cerebrospinal Fluid (CSF) | Detected and Quantified | 0.005 +/- 0.002 (0.003 - 0.008) uM | Adult (>18 years old) | Not Specified | Normal | | details |
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Abnormal Concentrations |
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Cerebrospinal Fluid (CSF) | Detected and Quantified | 0.008 +/- 0.002 (0.006 - 0.01) uM | Adult (>18 years old) | Not Specified | Parkinson's disease | | details |
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Associated Disorders and Diseases |
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Disease References | Parkinson's disease |
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- Zhang W, Xie Y, Gu J, Ai S, Wang J, Yamamoto K, Jin L: Liquid chromatography with amperometric detection at a nano crystalline Ce-doped lead dioxide film modified electrode for determination of (R)-Salsolinol, (R)-N-methylsalsolinol and monoamine neurotransmitters in Parkinsonian patients' cerebrospinal fluid. Analyst. 2004 Mar;129(3):229-34. Epub 2004 Feb 6. [PubMed:14978525 ]
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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 | FDB023207 |
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KNApSAcK ID | Not Available |
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Chemspider ID | 17216233 |
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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 | Not Available |
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METLIN ID | Not Available |
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PubChem Compound | 12989303 |
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PDB ID | Not Available |
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ChEBI ID | 88955 |
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Food Biomarker Ontology | Not Available |
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VMH ID | Not Available |
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MarkerDB ID | MDB00000429 |
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Good Scents ID | Not Available |
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References |
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Synthesis Reference | Not Available |
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Material Safety Data Sheet (MSDS) | Not Available |
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General References | - Maruyama W, Akao Y, Carrillo MC, Kitani K, Youdium MB, Naoi M: Neuroprotection by propargylamines in Parkinson's disease: suppression of apoptosis and induction of prosurvival genes. Neurotoxicol Teratol. 2002 Sep-Oct;24(5):675-82. [PubMed:12200198 ]
- Zhang W, Xie Y, Gu J, Ai S, Wang J, Yamamoto K, Jin L: Liquid chromatography with amperometric detection at a nano crystalline Ce-doped lead dioxide film modified electrode for determination of (R)-Salsolinol, (R)-N-methylsalsolinol and monoamine neurotransmitters in Parkinsonian patients' cerebrospinal fluid. Analyst. 2004 Mar;129(3):229-34. Epub 2004 Feb 6. [PubMed:14978525 ]
- Naoi M, Maruyama W, Nagy GM: Dopamine-derived salsolinol derivatives as endogenous monoamine oxidase inhibitors: occurrence, metabolism and function in human brains. Neurotoxicology. 2004 Jan;25(1-2):193-204. [PubMed:14697894 ]
- Takahashi T, Maruyama W, Deng Y, Dostert P, Nakahara D, Niwa T, Ohta S, Naoi M: Cytotoxicity of endogenous isoquinolines to human dopaminergic neuroblastoma SH-SY5Y cells. J Neural Transm (Vienna). 1997;104(1):59-66. [PubMed:9085193 ]
- Maruyama W, Abe T, Tohgi H, Naoi M: An endogenous MPTP-like dopaminergic neurotoxin, N-methyl(R)salsolinol, in the cerebrospinal fluid decreases with progression of Parkinson's disease. Neurosci Lett. 1999 Feb 26;262(1):13-6. [PubMed:10076861 ]
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