Taltirelin

Name: Taltirelin
Brand: Creative Peptides
SKU: 10-101-63
Availability: MadeToOrder

Taltirelin is a thyrotropin-releasing hormone (TRH) analog, which mimics the physiological actions of TRH, but with a much longer half-life and duration of effects.

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CAT No: 10-101-63

CAS No: 103300-74-9

Synonyms/Alias: Taltirelin;103300-74-9;TA 0910;Taltirelin [INN];taltirelina;taltireline;Ceredist;TA-0910;taltirelinum;UNII-DOZ62MV6A5;DOZ62MV6A5;CCRIS 8513;DTXSID0043763;TALTIRELIN [MI];TALTIRELIN [MART.];TALTIRELIN [WHO-DD];(4S)-N-[(2S)-1-[(2S)-2-carbamoylpyrrolidin-1-yl]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]-1-methyl-2,6-dioxo-1,3-diazinane-4-carboxamide;(S)-N-((S)-1-((S)-2-Carbamoylpyrrolidin-1-yl)-3-(1H-imidazol-4-yl)-1-oxopropan-2-yl)-1-methyl-2,6-dioxohexahydropyrimidine-4-carboxamide;DTXCID8023763;CHEBI:135653;(-)-N-(((S)-Hexahydro-1-methyl-2,6-dioxo-4-pyrimidinyl)carbonyl)-L-histidyl-L-prolinamide;(4S)-N-[(2S)-1-[(2S)-2-carbamoylpyrrolidin-1-yl]-3-(3H-imidazol-4-yl)-1-oxopropan-2-yl]-1-methyl-2,6-dioxo-1,3-diazinane-4-carboxamide;NCGC00181033-01;TALTIRELIN (MART.);L-Prolinamide, N-(((4S)-hexahydro-1-methyl-2,6-dioxo-4-pyrimidinyl)carbonyl)-L-histidyl-;L-Prolinamide, N-((hexahydro-1-methyl-2,6-dioxo-4-pyrimidinyl)carbonyl)-L-histidyl-, (S)-;1-methyl-(S)-4,5-dihydroorotyl-L-histidyl-L-prolinamide;(1-methyl-4,5-dihydroorotyl)-histidyl-prolinamide;N-{[(4S)-1-methyl-2,6-dioxohexahydropyrimidin-4-yl]carbonyl}-L-histidyl-L-prolinamide;N-(((4S)-1-methyl-2,6-dioxohexahydropyrimidin-4-yl)carbonyl)-L-histidyl-L-prolinamide;(4S)-Hexahydro-1-methyl-2,6-dioxo-4-pyrimidinecarbonyl-L-histidyl-L-prolinamide acetate salt;(4S)-N-((2S)-1-((2S)-2-carbamoylpyrrolidin-1-yl)-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl)-1-methyl-2,6-dioxo-1,3-diazinane-4-carboxamide;(4S)-N-((2S)-1-((2S)-2-carbamoylpyrrolidin-1-yl)-3-(3H-imidazol-4-yl)-1-oxopropan-2-yl)-1-methyl-2,6-dioxo-1,3-diazinane-4-carboxamide;Taltirelin acetate salt;(4S)-N-[(2S)-1-[(2S)-2-carbamoylpyrrolidin-1-yl]-3-(1H-imidazol-4-yl)-1-oxopropan-2-yl]-1-methyl-2,6-dioxo-1,3-diazinane-4-carboxamide;SCHEMBL194528;GTPL2143;CHEMBL2107016;SCHEMBL21219549;SCHEMBL22077031;LQZAIAZUDWIVPM-SRVKXCTJSA-N;BCPP000053;(S)-N-((S)-1-((S)-2-carbamoylpyrrolidin-1-yl)-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl)-1-methyl-2,6-dioxohexahydropyrimidine-4-carboxamide;BCP02001;HY-B0596;Tox21_112682;AKOS015920135;AKOS015969113;FT27992;NCGC00381723-02;AC-23956;BT300131;Taltirelin acetate salt - Bio-X trade mark;CAS-103300-74-9;NS00123276;Q7680336;BRD-K93869735-001-01-1;(1-methyl-(s)-4,5-dihydroorotyl)-l-histidyl-l-prolinamide;

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M.F/Formula	C17H23N7O5
M.W/Mr.	405.4
Sequence	(1-methyl-4,5-dihydroorotyl)- His-Pro-NH2
Labeling Target	Thyrotropin-releasing hormone (TRH) receptors
Application	Taltirelin (marketed under the tradename Ceredist) has nootropic, neuroprotective and analgesic effects.
Activity	Agonist
Biological Activity	Taltirelin (TA0910) is a superagonist at thyrotropin-releasing hormone receptor (TRH-R) with an IC50 of 910 nM and EC50 of 36 nM for stimulating an increase in cytosolic Ca2+ concentration (Ca2+ release).
Areas of Interest	Neurological Disease
Target	Thyroid Hormone Receptor

Source#	Synthetic
Solubility	−20°C
InChI	InChI=1S/C17H23N7O5/c1-23-13(25)6-10(22-17(23)29)15(27)21-11(5-9-7-19-8-20-9)16(28)24-4-2-3-12(24)14(18)26/h7-8,10-12H,2-6H2,1H3,(H2,18,26)(H,19,20)(H,21,27)(H,22,29)/t10-,11-,12-/m0/s1
InChI Key	LQZAIAZUDWIVPM-SRVKXCTJSA-N
Isomeric SMILES	CN1C(=O)C[C@H](NC1=O)C(=O)N[C@@H](CC2=CN=CN2)C(=O)N3CCC[C@H]3C(=O)N
BoilingPoint	N/A
References	Taltirelin (TAL) is a thyrotropin-releasing hormone (TRH) analog that is approved for use in humans in Japan. In this study, we characterized TAL binding to and signaling by the human TRH receptor (TRH-R) in a model cell system. We found that TAL exhibited lower binding affinities than TRH and lower signaling potency via the inositol-1,4,5-trisphosphate/calcium pathway than TRH. However, TAL exhibited higher intrinsic efficacy than TRH in stimulating inositol-1,4,5-trisphosphate second messenger generation. This is the first study that elucidates the pharmacology of TAL at TRH-R and shows that TAL is a superagonist at TRH-R. We suggest the superagonism exhibited by TAL may in part explain its higher activity in mediating central nervous system effects in humans compared to TRH. Thirunarayanan, N., Raaka, B. M., & Gershengorn, M. C. (2012). Taltirelin is a superagonist at the human thyrotropin-releasing hormone receptor. Frontiers in endocrinology, 3. Rovatirelin ([1-[-[(4S,5S)-(5-methyl-2-oxo oxazolidin-4-yl) carbonyl]-3-(thiazol-4-yl)-l-alanyl]-(2R)-2-methylpyrrolidine) is a novel synthetic agent that mimics the actions of thyrotropin-releasing hormone (TRH). The aim of this study was to investigate the electrophysiological and pharmacological effects of rovatirelin on the central noradrenergic system and to compare the results with those of another TRH mimetic agent, taltirelin, which is approved for the treatment of spinocerebellar degeneration (SCD) in Japan. Rovatirelin binds to the human TRH receptor with higher affinity (Ki=702nM) than taltirelin (Ki=3877nM). Rovatirelin increased the spontaneous firing of action potentials in the acutely isolated noradrenergic neurons of rat locus coeruleus (LC). The facilitatory action of rovatirelin on the firing rate in the LC neurons was inhibited by the TRH receptor antagonist, chlordiazepoxide. Reduction of the extracellular pH increased the spontaneous firing of LC neurons and rovatirelin failed to increase the firing frequency further, indicating an involvement of acid-sensitive K+ channels in the rovatirelin action. In in vivo studies, oral administration of rovatirelin increased both c-Fos expression in the LC and extracellular levels of noradrenaline (NA) in the medial prefrontal cortex (mPFC) of rats. Furthermore, rovatirelin increased locomotor activity. The increase in NA level and locomotor activity by rovatirelin was more potent and longer acting than those by taltirelin. These results indicate that rovatirelin exerts a central nervous system (CNS)-mediated action through the central noradrenergic system, which is more potent than taltirelin. Thus, rovatirelin may have an orally effective therapeutic potential in patients with SCD. Ijiro, T., Nakamura, K., Ogata, M., Inada, H., Kiguchi, S., Maruyama, K., ... & Ishibashi, H. (2015). Effect of rovatirelin, a novel thyrotropin-releasing hormone analog, on the central noradrenergic system. European journal of pharmacology, 761, 413-422.
Melting Point	N/A

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