TPI-1


Catalog No. size PriceQuantity
M6547-2 2mg solid $84
M6547-10 10mg solid $320

Description

TPI-1, also known as Tyrosine Phosphatase Inhibitor 1, is a SHP-1 inhibitor. TPI-1 selectively increased SHP-1 phospho-substrates (pLck-pY394, pZap70, and pSlp76) in Jurkat T cells but had little effects on pERK1/2 or pLck-pY505 regulated by phosphatases SHP-2 or CD45, respectively. TPI-1 induced mouse splenic-IFN-gamma(+) cells in vitro, approximately 58-fold more effective than sodium stibogluconate, and increased mouse splenic-pLck-pY394 and -IFN-gamma(+) cells in vivo.

Product information

CAS Number: 79756-69-7

Molecular Weight: 253.08

Formula: C12H6Cl2O2

Synonym:

TPI 1

TPI1

Tyrosine Phosphatase Inhibitor 1

TPI-1

Chemical Name: 2-(2,5-dichlorophenyl)-2,5-cyclohexadiene-1,4-dione

Smiles: O=C1C=C(C2=CC(Cl)=CC=C2Cl)C(=O)C=C1

InChiKey: ZKHFYORNAYYOTM-UHFFFAOYSA-N

InChi: InChI=1S/C12H6Cl2O2/c13-7-1-3-11(14)9(5-7)10-6-8(15)2-4-12(10)16/h1-6H

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO: 51 mg/mL(201.51 mM).

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200

How to use

In Vitro:

SHP-1 has been implicated as a potential cancer therapeutic target. TPI-1 is effective starting at 10 ng/mL in increasing SHP-1 phospho-substrates pLck-pY394. TPI-1 selectively increases SHP-1 phospho-substrates (pLck-pY394, pZap70 and pSlp76) in Jurkat T cells but has little effects on pERK1/2 or pLck-pY505. TPI-1 induces mouse splenic-IFNγ+ cells and induces IFNγ+ cells in human peripheral blood.

In Vivo:

TPI-1 inhibits the growth of B16 melanoma tumors in mice at a tolerated oral dose in a T cell-dependent manner but has little effects on B16 cell growth in culture. TPI-1 thus also increases pLck-pY394 and IFNγ+ cells in mice. TPI-1 also inhibits B16 tumor growth and prolongs tumor mice survival as a tolerated s.c. agent.

References:

  1. Kundu S, Fan K, Cao M, Lindner DJ, Zhao ZJ, Borden E, Yi T. Novel SHP-1 inhibitors tyrosine phosphatase inhibitor-1 and analogs with preclinical anti-tumor activities as tolerated oral agents. J Immunol. 2010 Jun 1;184(11):6529-36. doi: 10.4049/jimmunol.0903562. Epub 2010 Apr 26. PubMed PMID: 20421638; PubMed Central PMCID: PMC3049920.

Products are for research use only. Not for human use.

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