354039, Corning® Transforming Growth Factor-b (TGF-b), Human Natural, 1µg, 1/Pack

Corning® Transforming Growth Factor-beta (TGF-beta), human natural, 1µg, is a multifunctional protein that plays a central role in the regulation of cell growth and differentiation with either stimulatory or inhibitory effects. 1/pack, formerly Cat #40039 These growth factors have been used to promote long-term proliferation in cell culture and to induce cell differentiation in a variety of cell types under serum-free or reduced serum conditions. Formulation Frozen in 36% acetonitrile-0.1% trifluoroacetic acid. Caution: TGF-ß absorbs to glass and plastic surfaces (instructions for dilution are provided with the product) Source Human platelets. NOTE: Source material tested for hepatitis B antigen and HIV-1 antibody Molecular Weight: 25 kD Quality Purity: >95% by SDS-PAGE Tested for ability to inhibit DNA synthesis of Mv 1Lu mink lung cells (ATCC CCL-64) Tested and found negative for bacteria, fungi and mycoplasma Tip Recommended concentration: 10-50 pg/ mL of medium depending on cell type and application Preparation and Storage Stable for at least three months at -70°C (if diluted according to instructions) Storage Shelf life: >= 3 months from date of shipment at -70°C