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Cell-free protein synthesis, also known as in vitro protein synthesis or CFPS, is the production of protein using biological machinery in a cell-free system, that is, without the use of living cells. The in vitro protein synthesis environment is not constrained by a cell wall or homeostasis conditions necessary to maintain cell viability. [ 1 ]
Sutro's Xpress CF Platform [2] is based on Stanford Professor James R. Swartz's patented Open Cell-Free Synthesis (OCFS) technology. [3] XpressCF technology enables the parallel expression of hundreds of protein variants in less than 24 hours, providing a platform for the discovery and development of a wide variety of protein classes including cytokines, vaccine carrier-proteins, antibodies ...
[6] [7] The cell extract-based type are susceptible to problems like quick degradation of components outside their host, as shown in a study by Kitaoka et al. where a cell-free translation system based on Escherichia coli (E. coli), of the cell extract-based type, had the mRNA template degrade very quickly and led to the halt of protein ...
Cell-free protein array technology produces protein microarrays by performing in vitro synthesis of the target proteins from their DNA templates. This method of synthesizing protein microarrays overcomes the many obstacles and challenges faced by traditional methods of protein array production [1] that have prevented widespread adoption of protein microarrays in proteomics.
Promega Corporation is a Madison, Wisconsin–based manufacturer of enzymes and other products for biotechnology and molecular biology with a portfolio covering the fields of genomics, protein analysis and expression, cellular analysis, drug discovery, and genetic identity.
Cell-free production of proteins is performed in vitro using purified RNA polymerase, ribosomes, tRNA and ribonucleotides. These reagents may be produced by extraction from cells or from a cell-based expression system. Due to the low expression levels and high cost of cell-free systems, cell-based systems are more widely used. [29]
These types of workflows are common in cell-free biology, and Liu et al. were able to demonstrate a proof-of-concept DMF-based strategy for carrying out remote-controlled cell-free protein expression on an OpenDrop chip. [59]
A reverse phase protein lysate microarray (RPMA) is a protein microarray designed as a dot-blot platform that allows measurement of protein expression levels in a large number of biological samples simultaneously in a quantitative manner when high-quality antibodies are available. [1]
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