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Cat. No. M3110
PF-3758309 Structure


Size Price Availability Quantity
10mM*1mL In DMSO USD 70 In stock
5mg USD 60 In stock
10mg USD 90 In stock
25mg USD 180 In stock
50mg USD 287 In stock
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Quality Control
  • Current batch:
  • Purity >98%
  • COA
  • MSDS
Biological Activity

PF-3758309 is an orally bioavailable small-molecule inhibitor of p21-activated kinase 4 (PAK4) with potential antineoplastic activity. PF-3758309 inhibits phosphorylation of the PAK4 substrate GEF-H1 (IC(50) = 1.3 nM) and anchorage-independent growth of a panel of tumor cell lines (IC(50) = 4.7 +/- 3 nM). PF-3758309 also inhibits cellular proliferation (IC50 = 20 nM) and anchorage-independent growth (IC50 = 27 nM) of A549 cells. PF-3758309 blocks the growth of multiple human tumor xenografts, with a plasma EC50 value of 0.4 nM in the most sensitive model. In tumor models, PF-3758309 inhibits PAK4-dependent pathways in proteomic studies and regulates functional activities related to cell proliferation and survival.

Cell Experiment
Cell lines HEK293T, HCT116, and SKOV3 cells
Preparation method Using a panel of cancer cell lines test the potency of PF-3758309. On day 1, plating cells on 384-well plates. On day 2, adding compounds to the cell culture. Incubating the cells with the compound for 3 days. On day 5, aspirating all media from the wells. Dose-dependent effects of PF-3758309 on cell proliferation are quantified via the CellTiter-Glo Luminescent Cell Viability Assay(a,b,c), which is a homogeneous method of determining the number of viable cells in culture based on quantitation of the ATP present, an indicator of metabolically active cells. Proliferation data displayed for HEK293T, HCT116, and SKOV3 cells are measured using the Cyquant NF assay as specified by the manufacturer. Briefly, 24 h after seeding on 384-well plates, cells are treated with vehicle or PF-3758309, Dasatinib, or the positive control, Bleomycin (60 mU/ mL).After drug treatment for 72 hours, cell proliferation is measured. Results for each drug are normalized to vehicle control and expressed as a percentage of maximum assay inhibition relative to Bleomycin. Error bars represent the SD from at least three experiments
Concentrations ~1 μM
Incubation time 72 hours
Animal Experiment
Animal models Xenograft tumors in nude mice
Formulation 0.5% methylcellulose
Dosages 7.5-30 mg/kg BID
Administration p.o.
Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Chemical Information
Molecular Weight 490.62
Formula C25H30N8OS
CAS Number 898044-15-0
Purity >98%
Solubility DMSO 10 mM
Storage at -20°C

Do PAKs make good drug targets?
Zhao ZS, et al. F1000 Biol Rep. 2010 Sep 23;2:70. PMID: 21173843.

Small-molecule p21-activated kinase inhibitor PF-3758309 is a potent inhibitor of oncogenic signaling and tumor growth.
Murray BW, et al. Proc Natl Acad Sci U S A. 2010 May 18;107(20):9446-51. PMID: 20439741.

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KPT-9274, also known as PAK4-IN-1, is a potent, selective and dual PAK4/NAMPT inhibitor with IC50s of less than 100 and 120 nM, respectively.

Abmole Inhibitor Catalog 2017

Keywords: PF-3758309, PF-03758309 supplier, PAK, inhibitors

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