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Article: Researchers from Merck KGaA provide details of new studies and findings in the area of proteomics.
- Article from:
- Blood Weekly
- Article date:
- November 5, 2009
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"Advances in proteomic technology have enabled contaminant proteins to be identified from complex protein mixtures. The purity of two purified urinary gonadotrophin products, human menopausal gonadotrophin (u-HMG) and human FSH (u-hFSH), was compared with a preparation of recombinant human FSH (r-hFSH)," investigators in Darmstadt, Germany report (see also Proteomics).
"After separation by sodium dodecyl sulphate-polyacrylamide, I electrophoresis (SDS-PAGE), western blot analysis showed that the recombinant preparation contained only FSH, whereas the urine-derived preparations exhibited several non-FSH or LH-related bands. These urinary components were further ...