Cayman Urb937; Purity- Greater Than Or Equal To 95%; Size- 5 Mg;

TPI-1 is an inhibitor of protein tyrosine phosphatases. TPI-1 (10 ng/ml) increases phosphorylated substrates of the phosphatase SHP-1 in Jurkat T cells, including pLck-pY394, pZap70, and pSlp76. It is selective for SHP-1 over SHP-2, having low activity at the SHP-2 substrate pERK1/2. It increases pLck-pY394 levels by approximately 3.3-fold and increases the number of IFN-γ⁺ cells in mouse spleen ex vivo following a dose of approximately 3 mg/kg. Oral administration of TPI-1 (3 mg/kg per day) inhibits tumor growth in a B16 melanoma mouse xenograft model.

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