Proteomics

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Proteomics is the study of  total proteins which is expressed by a cell, tissue or an organism[1]. Meanwhile, genomics is the study of structure and roles of the whole gene products[1]. There are a few crucial differences between proteomics and genomics. In biological fluids such as plasma, serum, urine, cells and tissues, a marker called as "Proteomic biomarkers" is used to mark the molecules[2]. Besides, if there is a stimuli from the environment or surroundings, the proteome(proteins) will react with the stimuli and keep changing in constant[3]. Furthermore, in every cells or tissues, the proteome is different from each other due to different genes carried[4]. Existence of  post-translational modifications and protein conformation will cause in addition of the complexity[5]. Thus, only Polymerase Chain Reaction(PCR)  produces total of proteome faster and ease to amplify them to an assay[6]. These reasons proves that the proteome potrays the transcriptome more than the genome itself[7].


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