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Purity: ≥98%
Remodelin HBr, the hydrobromide salt of Remodelin and a cell-permeable and stable analog of CPTH2, is an acetyl-transferase NAT10 inhibitor. Remodelin inhibits acetyl-transferase NAT10, a nuclear N-acetyltransferase involved in stabilization of microtubules. Remodelin was found to correct cell defects associated with progeria, restoring and improving nuclear shape and reducing the DNA damage believed to be associated with mutations in the gene for laminin A. Remodelin can improve nuclear architecture, chromatin organization, and fitness of both human lamin A/C-depleted cells and HGPS-derived patient cells, and decrease markers of DNA damage in these cells. Remodelin is a useful chemical tool to study how NAT10 affects nuclear architecture and suggest alternative strategies for treating laminopathies and aging.
| Targets |
NAT10/N-acetyltransferase 10
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|---|---|
| ln Vitro |
Remodelin hydrobromide (10-40 μM, 1-7 days) suppresses NAT10 activity and cell proliferation in a dose-dependent manner in AR-positive and AR-negative prostate cancer cells [2]. Remodelin hydrobromide (20 μM, 24 hours) inhibits NAT10 and decreases DNA replication in prostate cancer cells [2]. In LmnaG609G/G609G fibroblasts, remodelin hydrobromide (1 μM, 7 days) decreases nuclear morphological defects and promotes genome stability [3].
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| ln Vivo |
Remodelin hydrobromide (2 or 20 mg/kg, intraperitoneally, once every two days for 4 weeks) effectively decreases the growth of AR-negative prostate cancer in a tumor xenograft nude mice model [2]. Remodelin hydrobromide (100 mg/kg, oral) inhibits NAT10 and dramatically increases healthy lifespan in the LmnaG609G/G609G mouse premature aging syndrome (HGPS) model [3]. Remodelin hydrobromide (5 mg/kg, oral) revealed a T1/2 of 1.81 hours and an oral bioavailability (F%) of 43.5% in mice [3]. Pharmacokinetic characteristics for Remodelin hydrobromide in Mice[1] Route Dose (mg/kg) T1/2 (h) Tmax (h) Cmax (ng/mL) AUC0-t (ng/h/mL) AUC0-Ꝏ (ng/h /mL) MRT_last (h) F(%) po 5 1.81 0.25 409 235 259 0.84 43.5%
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| Enzyme Assay |
Lysine acetyltransferase (KAT) assay.[1]
The KAT assay was performed using the Fluorescent HAT Assay kit using NAT10 purified from HEK293 cells and 5 μg of purified MAP enriched Tubulin Porcine as a substrate. Remodelin and clickable molecule 2 were used at 50 μM. [1] Circular Dichroism Spectroscopy.[1] CD experiments were performed using a Chirascan Circular Dichroism Spectrophotometer. 200 μl of purified FLAG-NAT10 at a final concentration of 10 μM in TBS + 0.1 % NP-40 was placed in a quartz cuvette with an optical path length of 1 mm, transferred to the spectrophotometer. CD scans were recorded at 25°C over the wavelength range of 180 to 350 nm with a 1s response time, 1 nm pitch and 1.5-nm bandwidth. Compound 1 solubilized in DMSO was added and the solution was incubated for 5 min before recording scans. CD spectra were buffer subtracted, zero corrected at 300 nm and normalized (Molar ellipticity θ is quoted in 105 deg cm2 dmol−1). |
| Cell Assay |
Cell Proliferation Assay[2]
Cell Types: Prostate cancer cell lines VCaP, PC3, and DU145 Tested Concentrations: 0,10,20,40 μM Incubation Duration: 1,2,7 days Experimental Results: Inhibited NAT10 and suppressed the growth of both AR- positive and AR-negative prostate cancer cells. Displayed Dramatically diminished cell proliferation activity over time, compared to the control group. diminished colony formation ability with a dose-dependent manner. Immunofluorescence[2] Cell Types: Prostate cancer cell lines VCaP, PC3, and DU145 Tested Concentrations: 20 μM Incubation Duration: 24 h Experimental Results: demonstrated a significant decrease in both the positive labeling rate and the fluorescence intensity compared to the control group. Dramatically decreased both the staining foci of IdU and the staining foci of CldU compared to control group. Western Blot Analysis[3] Cell Types: Skin fibroblasts from LmnaG609G/G609G and wildtype (WT) littermates Tested Concentrations: 1 μM Incubation Duration: 7 days Experimental Results: diminished the higher level of the DNA double-strand b |
| Animal Protocol |
Animal/Disease Models: PC-3 cells tumor xenograft model in nude athymic BALB/c nu/nu (nude) mice[2]
Doses: 2 or 20 mg /kg Route of Administration: intraperitoneal (ip)injection, once every two days for 4 weeks Experimental Results: Dramatically decreased AR-negative prostate cancer tumor growth. In the high-dose group, xenograft tumor weight at the endpoint was much smaller than that in the low -dose group. Animal/Disease Models: LmnaG609G/G609G hutchinson-gilford progeria syndrome (HGPS) mouse model[3] Doses: 100 mg/kg Route of Administration: po (oral gavage), daily schedule for 3 weeks of age onward, until the end- point Experimental Results: Ameliorated age-dependent weight loss. Ameliorated cardiac pathology. Led to the dramatic amelioration of HGPS cardiac pathologies, including reduction of adventitial fibrosis of the aorta, rescue of vascular smooth muscle cell loss, and salvage of smooth muscle actin (SMA) loss, both in the aorta and the coronary arteries. Animal/Disease Models: WT Mice (pharmacokinetic/PK assay)[3] Doses: 5 mg/kg Route of Administration: Oral gav |
| References |
[1]. Larrieu D, et al. Chemical inhibition of NAT10 corrects defects of laminopathic cells. Science. 2014 May 2;344(6183):527-32.
[2]. Ma N, et.al. Inhibition of N-Acetyltransferase 10 Suppresses the Progression of Prostate Cancer through Regulation of DNA Replication. Int J Mol Sci. 2022 Jun 12;23(12):6573. [3]. Balmus G, et.al. Targeting of NAT10 enhances healthspan in a mouse model of human accelerated aging syndrome. Nat Commun. 2018 Apr 27;9(1):1700. [4]. Zhang X, et.al. N-Acetyltransferase 10 Enhances Doxorubicin Resistance in Human Hepatocellular Carcinoma Cell Lines by Promoting the Epithelial-to-Mesenchymal Transition. Oxid Med Cell Longev. 2019 Jul 1;2019:7561879. |
| Molecular Formula |
C15H15BRN4S
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|---|---|---|
| Molecular Weight |
363.28
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| Exact Mass |
362.02008
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| Elemental Analysis |
C, 49.59; H, 4.16; Br, 22.00; N, 15.42; S, 8.83
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| CAS # |
1622921-15-6
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| Related CAS # |
Remodelin;949912-58-7
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| Appearance |
Light yellow to yellow solid
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| tPSA |
89.3Ų
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| SMILES |
N#CC1=CC=C(C2=CSC(N/N=C3CCCC/3)=N2)C=C1.[H]Br
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| InChi Key |
XNWBCMSPDCSWSD-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C15H14N4S.BrH/c16-9-11-5-7-12(8-6-11)14-10-20-15(17-14)19-18-13-3-1-2-4-13;/h5-8,10H,1-4H2,(H,17,19);1H
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| Chemical Name |
4-[2-(2-Cyclopentylidenehydrazinyl)-4-thiazolyl]benzonitrile Hydrobromide
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| Synonyms |
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month Note: Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture and light. |
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| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
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| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.7527 mL | 13.7635 mL | 27.5270 mL | |
| 5 mM | 0.5505 mL | 2.7527 mL | 5.5054 mL | |
| 10 mM | 0.2753 mL | 1.3763 mL | 2.7527 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
Inhibiting NAT10 activity by Remodelin mediates nuclear shape rescue of LMNA depleted cells. Science. 2014 May 2;344(6183):527-32. |
Remodelin targets NAT10 to improve nuclear shape and fitness of HGPS cells. Science. 2014 May 2;344(6183):527-32. |
Inhibiting NAT10 acetyltransferase activity modifies microtubule organisation to rescue nuclear shape defects. Science. 2014 May 2;344(6183):527-32. |
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