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Technical Documents
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Figure . SDS-PAGE
Figure . Western Blot
Figure . Gene Sequencing (Extract)
To measure the effect of IGF1 on cell proliferation, breast cancer MCF-7 cells were seeded into triplicate wells of 96-well plates at a density of 5,000 cells/well and allowed to attach, replaced with serum-free overnight, then the medium was replaced with 1% serum standard DMEM prior to the addition of various concentrations of recombinant human IGF1. After incubated for 96h, cells were observed by inverted microscope and cell proliferation was measured by Cell Counting Kit-8 (CCK-8). Briefly, 10µL of CCK-8 solution was added to each well of the plate, then the absorbance at 450nm was measured using a microplate reader after incubating the plate for 1-4 hours at 37℃. Proliferation of MCF-7 cells after incubation with IGF1 for 72h observed by inverted microscope was shown in Figure 2. Cell viability was assessed by CCK-8 assay after incubation with recombinant IGF1 for 72h. The result was shown in Figure 3. It was obvious that IGF1 significantly increased cell viability of MCF-7 cells.(A) MCF-7 cells cultured in DMEM, stimulated with 10ng/mL IGF1 for 72h; (B) Unstimulated MCF7 cells cultured in DMEM for 72h.Figure. Cell proliferation of MCF-7 cells after stimulated with IGF1.

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