Widespread presence of bovine proteins in human cell lines |
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Authors: | Simon Sug r,Lilla Turi k,K roly V key,L szl Drahos |
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Affiliation: | Simon Sugár,Lilla Turiák,Károly Vékey,László Drahos |
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Abstract: | HPLC‐MS/MS analysis of various human cell lines shows the presence of a major amount of bovine protein contaminants. These likely originate from fetal bovine serum (FBS), typically used in cell cultures. If evaluated against a human protein database, on average 10% of the identified human proteins will be misleading (bovine proteins, but indicated as if they were human). Bovine contaminants therefore may cause major bias in proteomic studies of cell cultures, if not considered explicitly. |
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