Endotoxin-Free Stem Cell Growth Factors & Cytokines Expressed in Barley Increase Reproducibility

Sharon Craggs

Jan 21, 2019

Stem Cell

Cell Sciences - a biotech company founded in 2000 as a worldwide provider of the highest quality biochemical tools. Their products include antibodies, proteins, receptors, immunoassay kits, tissues, fluids, and lysates for life science research. Headquartered in Newburyport, Massachusetts, Cell Sciences provides products for human, non-human primate, and small and large animal model research with distributors across the globe.

Author: Sharon Craggs An experienced researcher and technical advisor with laboratory experience in academic and small biotechnology laboratories.

Sharon Craggs

NEWBURYPORT, MA – November 26, 2018 – Cell Sciences, a supplier of high-quality reagents for biological research, announces an expanding line of high purity cytokines and growth factors. These products have been developed using a unique barley grain expression system to be 100% endotoxin-free by bypassing the use of animal or human serum, or bacterial products during production.

Barley grain expression is also commonly referred to as barley seed endosperm. Due to their benefit, increasing number of researchers use this bioreactor for proteins with eukaryotic folding, glycosylation, and pyrogenic activities.

“Our customers have expressed increased desire for these endotoxin-free products as data continues to support that an endotoxin limit of 1 EU/µg that is generally allowed in E. coli produced growth factors, significantly limits reproducibility of stem cell cultures,” said Dr. Anne Sloan, Technical Support Scientist at Cell Sciences. “Fluctuations in endotoxin contaminants between lots of the same growth factor can have varying and unpredictable results. Using our endotoxin-free growth factors, researchers can be confident of achieving consistency in their stem cell experiments.”

It has been proven that using these ultra-pure reagents could increase reproducibility in stem cell culture experiments. It could also save time, resources  and are a cost-effective alternative to traditional recombinant proteins.

View Cell Sciences’ line of high quality, endotoxin-free cytokines and growth factors here.

To contact their technical support team, visit their website here.

About Cell Sciences 

A biotech company founded in 2000 as a worldwide provider of the highest quality biochemical tools. Their products include primary and secondary antibodies, proteins, receptors, immunoassay kits, tissues, fluids, and lysates for life science research. . Moreover, headquartered in Newburyport, Massachusetts, Cell Sciences provides products for human, non-human primate, and small and large animal model research. They also have distributors across the globe including in Europe, China, Germany, Japan, South Korea, Israel, and Singapore.

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