Human Chorionic Gonadotrophin Pharmaceutical Formulations of Urinary Origin Display High Levels of Contaminant Proteins-A Label-free Quantitation Proteomics Study
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To determine whether there is a measurable protein background in different formulations of urinary and recombinant human chorionic gonadotropin (hCG). Primary outcome measures: identification of contaminant proteins in urinary-derived formulations of hCG; secondary outcome measures: quantitative values of contaminant proteins in different batches of urinary -derived hCG formulations. It was found that urinary-derived batches have high presence of contaminant proteins beside the active substance. The relative amount of contaminant proteins and hCG differs strongly between different batches.
Proteomic Analysis of Porcine-Derived Collagen Membrane and Matrix.
Lee J, Mitulovic G, Panahipour L, Gruber R Materials (Basel). 2020; 13(22).
PMID: 33212864 PMC: 7698422. DOI: 10.3390/ma13225187.