1. Protein Tyrosine Kinase/RTK
  2. VEGFR
    FGFR
    PDGFR
    Src
  3. TG 100801 Hydrochloride

TG 100801 Hydrochloride 

Cat. No.: HY-10187
Handling Instructions

TG 100801 Hydrochloride is a prodrug that generates TG 100572 by de-esterification in development to treat age-related macular degeneration. TG 100572 is a multi-targeted kinase inhibitor which inhibits receptor tyrosine kinases and Src kinases; has IC50s of 2, 7, 2, 16, 13, 5, 0.5, 6, 0.1, 0.4, 1, 0.2 for VEGFR1, VEGFR2, FGFR1, FGFR2, PDGFRβ, Fgr, Fyn, Hck, Lck, Lyn, Src, Yes, respectively.

For research use only. We do not sell to patients.

TG 100801 Hydrochloride Chemical Structure

TG 100801 Hydrochloride Chemical Structure

CAS No. : 1018069-81-2

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Description

TG 100801 Hydrochloride is a prodrug that generates TG 100572 by de-esterification in development to treat age-related macular degeneration. TG 100572 is a multi-targeted kinase inhibitor which inhibits receptor tyrosine kinases and Src kinases; has IC50s of 2, 7, 2, 16, 13, 5, 0.5, 6, 0.1, 0.4, 1, 0.2 for VEGFR1, VEGFR2, FGFR1, FGFR2, PDGFRβ, Fgr, Fyn, Hck, Lck, Lyn, Src, Yes, respectively.

IC50 & Target[1]

VEGFR1

2 nM (IC50)

VEGFR2

7 nM (IC50)

FGFR1

2 nM (IC50)

FGFR2

16 nM (IC50)

PDGFRβ

13 nM (IC50)

In Vitro

TG 100801 is a topically administered prodrug delivered as an eye drop that is readily converted to the active TG 100572 in the eye.TG 100572 is shown to inhibit hRMVEC cell proliferation, with an IC50 of 610±72 nM[1]. TG 100801 is formed by derivitization of a phenolic moiety in TG100572 to yield an ester. It displays excellent balance of stability (physical and chemical) with hydrolysis rate. On its own, TG 100801 does not display meaningful anti-kinase activity, as the ester group blocks key interactions with kinase active sites, however exposure to esterases (abundant in mammalian tissues) rapidly liberates active TG100572.TG 100572 shows sub-nanomolar activity against the Src family as well as RTK such as VEGFR1 and R2, FGFR1 and R2, and PDGFRβ. TG 100572 inhibits vascular endothelial cell proliferation (ED50=610±71 nM) and blocks VEGF-induced phosphorylation of extracellular signal-regulated kinase. TG 100572 induces apoptosis in rapidly proliferating, but not quiescent, endothelial cell cultures[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

TG 100801 exhibits excellent ocular pharmacokinetics and poor systemic circulation and shows good efficacy in the laser induced choroidal neovascularization model. A concentration of 23.4 µM (Cmax) of TG 100572 is reached in 30 min (Tmax)=0.5 h) in the choroid and the sclera. However, the levels of TG 100572 in the retina are relatively low. The half-life of TG 100572 in ocular tissues is very short; hence, the compound is administered topically minimum t.i.d. to maintain appropriate drug levels in the eye. The maximum concentration one can achieve in formulations using TG 100572 is 0.7% w/v[1]. TG 100801 nor TG100572 are detectable in plasma following topical delivery of TG 100801, and adverse safety signals (such as weight loss) are not observed even with prolonged dosing schedules. Topical TG 100801 significantly suppresses laser-induced choroidal neovascularlization in mice, and reduces fluorescein leakage from the vasculature and retinal thickening measured by optical coherence tomography in a rat model or retinal vein occlusion.Systemic delivery of TG 100572 in a murine model of laser-induced choroidal neovascularization (CNV) causes significant suppression of CNV, but with an associated weight loss suggestive of systemic toxicity[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Molecular Weight

616.54

Formula

C₃₃H₃₁Cl₂N₅O₃

CAS No.

1018069-81-2

SMILES

O=C(C1=CC=CC=C1)OC2=CC=C(Cl)C(C3=CC(C)=C(N=C(NC(C=C4)=CC=C4OCCN5CCCC5)N=N6)C6=C3)=C2.Cl

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Solvent & Solubility
In Vitro: 

DMSO : 5 mg/mL (8.11 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.6220 mL 8.1098 mL 16.2195 mL
5 mM 0.3244 mL 1.6220 mL 3.2439 mL
10 mM --- --- ---
*Please refer to the solubility information to select the appropriate solvent.
References
Animal Administration
[2]

Rats: Long Evans rats are dosed topically in both eyes with 10 µL of TG 100801 (as a 0.3, 0.6 or 1% solution) or vehicle. A total of 5 topical applications are delivered per eye over a three day period: dosing is performed one hour prior to and six hours after laser-induced thrombosis on Day 1, twice on Day 2, and once the morning of Day 3. One hour after the final topical application, retinal edema is assessed by one of two means[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References
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Keywords:

TG 100801TG100801TG-100801VEGFRFGFRPDGFRSrcVascular endothelial growth factor receptorFibroblast growth factor receptorPlatelet-derived growth factor receptorInhibitorinhibitorinhibit

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Product Name:
TG 100801 Hydrochloride
Cat. No.:
HY-10187
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