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Julian Griffin
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Applications of Metabolomics to Disease and Regulation of Metabolism

Research Grouping: Functional genomics, systems biology and genetic medicine | Cardiovascular science and medicine

 
Partial Least Squares-Discriminate Analysis plot
 

In the post-genomic era, there is an increased drive towards an understanding of the functional effects of a given gene. Metabolomics is the large-scale analysis of metabolites, and this process of generating a metabolic profile to follow a pathophysiological insult or stimulus has been highly successful at distinguishing the effects of genetic modifications and disease states in a range of organisms, including man. We are using high resolution 1H Nuclear Magnetic Resonance (NMR) spectroscopy and Mass Spectrometry in conjunction with pattern recognition techniques to define metabolic profiles characteristic of the disease/pathology being investigated. The group has access to world class facilities in metabolomics including a 500 MHz NMR spectrometer, a Thermo LTQ ion trap, a Waters QTOF Ultima, a Waters Quattro Premiere triple quadrupole LCMS and two GC-MS. Our group is currently involved in a number of integrated genomic and metabolomic studies.

A metabolomic investigation of type II diabetes, obesity and the metabolic syndrome: We have been using a combination of animal models (mouse, rat and more recently C.elegans) to understand the metabolic consequences of the diseases that make up the metabolic syndrome including type II diabetes, obesity, fatty liver disease and dyslipidaemia. In addition we have cross-correlated metabolomic data with proteomics and transcriptomics to build up a “systems biology” description of the consequences of pathology and genetic modulation related to the metabolic syndrome.

Metabolomic studies of cancer: We have investigated the metabolic changes that accompany the formation and death of a range of different cancers both in cell systems and whole organisms. This has included investigating metabolic changes associated with non genotoxic carcinogenicity and lipid metabolism during apoptosis in tumours. We are also involved in a EU Framework 7 project to investigate biomarkers associated with different classes of breast tumours.

A metabolomic description of neurodegeneration: In addition to our work on the metabolic syndrome and cancer, we have also worked on a range of mouse models associated with neurodegeneration including Batten disease and the neuronal ceroid lipofuscinoses, Alzheimer disease and Parkinson disease.

Lab members
Zsuzsanna Ament, Cecilia Castro, Kian Kai Cheng, Martin Coleston, Susan Connor, Melanie Gulston, Mark Hodson, Chen Juan-Lu, Steven Murfitt, Lee Roberts, Denis Rubtsov, Reza Salek, Baljit Ubhi, Aalim Weljie, James West

References

  1. Kirschenlohr HL, Griffin JL, Clarke SC, Rhydwen R, Grace AA, Schofield PM, Brindle KM, Metcalfe JC (2006).Proton NMR analysis of plasma is a weak predictor of coronary artery disease. Nat Med. 12(6):705-10.
  2. Salek RM, Maguire ML, Bentley E, Rubtsov DV, Hough T, Cheeseman M, Nunez D, Sweatman BC, Haselden JN, Cox RD, Connor SC, Griffin JL (2007) A metabolomic comparison of urinary changes in type 2 diabetes in mouse, rat, and human. Physiol Genomics. 29(2):99-108.
  3. Jones OA, Maguire ML, Griffin JL (2008) Environmental pollution and diabetes: a neglected association. Lancet. 371(9609):287-8.

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