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Proteomics

 

Protein Expression
Protein Expression
article

Engineering cells and proteins – creating pharmaceuticals

5 September 2014 | By Marco Casteleijn & Dominique Richardson, University of Helsinki

Pharmaceutical biotechnology is big business; it currently consists of 1/6 of the total volume of the pharmaceutical market and continues to grow steadily. Expression of therapeutic proteins is mainly done in living cells, although ‘cell free protein synthesis’ (CFPS) or ‘in-vitro transcription translation’ (IVTT) is beginning to emerge as an…

LC-MSMS IVD kits
LC-MSMS IVD kits
article

Pharmaceutical proteomics: a journey from discovery and characterisation of targets to development of high-throughput assays

15 December 2013 | By Joerg Reinders, Institute of Functional Genomics, University of Regensburg

Proteomics has evolved during the last few years from a time-intensive, cost-intensive and hard-to-reproduce technique in basic research to a versatile and reliable tool in various areas of pharmaceutical research. The exploding progress in mass-spectrometry-compatible protein and peptide-separation methods led to the development of new approaches particularly suited for monitoring…

Label-free quantitative proteomics: Why has it taken so long to become a mainstream approach?
Label-free quantitative proteomics: Why has it taken so long to become a mainstream approach?
article

Label-free quantitative proteomics: Why has it taken so long to become a mainstream approach?

13 June 2013 | By Thierry Le Bihan, SynthSys and Institute of Structural and Molecular Biology, University of Edinburgh

In recent years, mass spectrometry (MS) based proteomics has moved from being a qualitative tool (used to mainly identify proteins) to a more reliable analysis tool, allowing relative quantitation as well as absolute quantitation of a large number of proteins. However, the developed quantitative methods are either specific for certain…

The role of proteomics in the development of personalised cancer medicine
The role of proteomics in the development of personalised cancer medicine
article

The role of proteomics in the development of personalised cancer medicine

18 April 2013 | By Pedro R. Cutillas, MRC Clinical Sciences Centre, Imperial College London

Not all cancer patients, even those with the same tumour type, respond to therapy equally well. An understanding of this heterogeneity at the molecular level is crucial for further advances in the development of cancer therapies. Discerning the mechanisms of cancer heterogeneity will lead to a better selection of the…

drug discovery & drug development
drug discovery & drug development
article

The need for proteomic-based biomarkers in the drug development pipeline

10 July 2012 | By Paul C. Guest, Department of Chemical Engineering and Biotechnology, University of Cambridge and Sabine Bahn Department of Chemical Engineering and Biotechnology, University of Cambridge & Department of Neuroscience, Erasmus Medical Centre

Pharmaceutical companies are under increasing pressure to improve their efficiency and returns on drug discovery projects. This is a daunting task considering that the average drug costs approximately one billion US dollars to develop and takes around 12 years from initial discovery to reach the market1. In addition, approximately 70…

FIGURE 1The b5 ion is generated by CID which terminates at the C-terminus in an oxazolone ring structure. N-terminal nucleophilic attack of the oxazolone ring results in formation of a macrocyclic intermediate that undergoes ring opening at various positions to generate sequence scrambled b5 ions.
FIGURE 1The b5 ion is generated by CID which terminates at the C-terminus in an oxazolone ring structure. N-terminal nucleophilic attack of the oxazolone ring results in formation of a macrocyclic intermediate that undergoes ring opening at various positions to generate sequence scrambled b5 ions.
article

The Forgotten Fragments

19 October 2011 | By Ross Chawner and Claire E. Eyers, Michael Barber Centre for Mass Spectrometry, University of Manchester

Identification of protein biomarkers and the evaluation of changes in protein expression following drug treatment rely on both the generation of peptides from cellular proteins, and the acquisition and interpretation of spectra generated by tandem mass spectrometry (MS/MS). Acquisition of MS/MS spectra in a datadependent manner means that a significant…