Thiamet G

Catalog No.S7213

Thiamet G  Chemical Structure

Molecular Weight(MW): 248.3

Thiamet G is a potent, selective O-GlcNAcase inhibitor with Kiof 21 nM, while exhibiting 37,000-fold selectivity over human lysosomal –hexosaminidase.

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Cited by 2 Publications

2 Customer Reviews

  • Jurkat cells were treated with DMSO, paclitaxel, thiamet-G or paclitaxel plus thiamet-G for 3 h, and then cells were incubated on ice for 20 min, microtubule (green) and DAPI (blue) were immunostained and shown.

    Biochem Biophys Res Commun 2014 453(3), 392-7. Thiamet G purchased from Selleck.

    Hca-P and Hca-F were transfected with scrambled miRNA, miR-24-1 mimic or miR-24-1 inhibitor for 48 h, or treated with 1μM of MG132 (MG), 5μM of Thiamet G (Th) or 50μM of OSMI-1 (OS) for 48 h. c-Myc immunoprecipitations were performed, and immunoprecipitated fractions were analyzed by Western blotting for O-GlcNAcylation and c-Myc

    Biomedicine & Pharmacotherapy, 2017, (91):731-738. Thiamet G purchased from Selleck.

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Biological Activity

Description Thiamet G is a potent, selective O-GlcNAcase inhibitor with Kiof 21 nM, while exhibiting 37,000-fold selectivity over human lysosomal –hexosaminidase.
O-GlcNAcase [1]
(cell-free assay)
21 nM(Ki)
In vitro

In NGF-differentiated PC-12 cells, inhibition of O-GlcNAcase by Thiamet G increases the cellular levels of O-GlcNAc with EC50 of approximately 30 nM. Thiamet G (100 mM) reduces tau phosphorylation by approximately 2.1-fold, 2.7-fold, 1.2-fold and 1.3-fold for Ser396, Thr231, Ser422 and Ser262, respectively. [1] Thiamet G (12.5 nM and 25 nM) significantly enhances p38 phosphorylation by increasing O-GlcNAcylation in mesangial cells. [2] In O-GlcNAc transferase or O-GlcNAcase gain of function cells, thiamet-G restores the assembly of the spindle and partially rescues histone phosphorylation. [3]

In vivo In rats, thiamet G (50 mg/kg) administrated by i.v. crosses the blood brain barrier and then results in increase in brain O-GlcNAc levels in a dose- and time-dependent manner, and reduction of tau phosphorylation in rat brain. Thiamet G is also orally bioavailable. [1] O-GlcNAc accumulation induced by thiamet G stimulates chondrogenic differentiation in C57/bl mice by increasing the gene expression of differentiation markers, as well as the activity of MMP-2 and -9. [4]


Animal Research:[1]
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  • Animal Models: Healthy Sprague-Dawley rats.
  • Formulation: Drinking water (p.o.)
  • Dosages: 200 mg/kg (p.o.), ~50 mg/kg (i.v.)
  • Administration: Administrated by p.o. or i.v.
    (Only for Reference)

Solubility (25°C)

In vitro DMSO 50 mg/mL (201.36 mM)
Water 50 mg/mL (201.36 mM)
Ethanol 12 mg/mL (48.32 mM)
In vivo Add solvents to the product individually and in order(Data is from Selleck tests instead of citations):
For best results, use promptly after mixing.
30 mg/mL

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 248.3


CAS No. 1009816-48-1
Storage powder
in solvent
Synonyms N/A

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Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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