The proteome of human liver peroxisomes: identification of five new peroxisomal constituents by a label-free quantitative proteomics survey.
The peroxisome is a key organelle of low abundance that fulfils various functions essential for human cell metabolism. Severe genetic diseases in humans are caused by defects in peroxisome biogenesis or deficiencies in the function of single peroxisomal proteins. To improve our knowledge of this imp...
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2013
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oai:doaj.org-article:29607933ccb8497eafc3ee4f6ef60c3f2021-11-18T07:55:49ZThe proteome of human liver peroxisomes: identification of five new peroxisomal constituents by a label-free quantitative proteomics survey.1932-620310.1371/journal.pone.0057395https://doaj.org/article/29607933ccb8497eafc3ee4f6ef60c3f2013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23460848/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203The peroxisome is a key organelle of low abundance that fulfils various functions essential for human cell metabolism. Severe genetic diseases in humans are caused by defects in peroxisome biogenesis or deficiencies in the function of single peroxisomal proteins. To improve our knowledge of this important cellular structure, we studied for the first time human liver peroxisomes by quantitative proteomics. Peroxisomes were isolated by differential and Nycodenz density gradient centrifugation. A label-free quantitative study of 314 proteins across the density gradient was accomplished using high resolution mass spectrometry. By pairing statistical data evaluation, cDNA cloning and in vivo colocalization studies, we report the association of five new proteins with human liver peroxisomes. Among these, isochorismatase domain containing 1 protein points to the existence of a new metabolic pathway and hydroxysteroid dehydrogenase like 2 protein is likely involved in the transport or β-oxidation of fatty acids in human peroxisomes. The detection of alcohol dehydrogenase 1A suggests the presence of an alternative alcohol-oxidizing system in hepatic peroxisomes. In addition, lactate dehydrogenase A and malate dehydrogenase 1 partially associate with human liver peroxisomes and enzyme activity profiles support the idea that NAD(+) becomes regenerated during fatty acid β-oxidation by alternative shuttling processes in human peroxisomes involving lactate dehydrogenase and/or malate dehydrogenase. Taken together, our data represent a valuable resource for future studies of peroxisome biochemistry that will advance research of human peroxisomes in health and disease.Thomas GronemeyerSebastian WieseRob OfmanChristian BunseMagdalena PawlasHeiko HayenMartin EisenacherChristian StephanHelmut E MeyerHans R WaterhamRalf ErdmannRonald J WandersBettina WarscheidPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 2, p e57395 (2013) |
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Medicine R Science Q |
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Medicine R Science Q Thomas Gronemeyer Sebastian Wiese Rob Ofman Christian Bunse Magdalena Pawlas Heiko Hayen Martin Eisenacher Christian Stephan Helmut E Meyer Hans R Waterham Ralf Erdmann Ronald J Wanders Bettina Warscheid The proteome of human liver peroxisomes: identification of five new peroxisomal constituents by a label-free quantitative proteomics survey. |
| description |
The peroxisome is a key organelle of low abundance that fulfils various functions essential for human cell metabolism. Severe genetic diseases in humans are caused by defects in peroxisome biogenesis or deficiencies in the function of single peroxisomal proteins. To improve our knowledge of this important cellular structure, we studied for the first time human liver peroxisomes by quantitative proteomics. Peroxisomes were isolated by differential and Nycodenz density gradient centrifugation. A label-free quantitative study of 314 proteins across the density gradient was accomplished using high resolution mass spectrometry. By pairing statistical data evaluation, cDNA cloning and in vivo colocalization studies, we report the association of five new proteins with human liver peroxisomes. Among these, isochorismatase domain containing 1 protein points to the existence of a new metabolic pathway and hydroxysteroid dehydrogenase like 2 protein is likely involved in the transport or β-oxidation of fatty acids in human peroxisomes. The detection of alcohol dehydrogenase 1A suggests the presence of an alternative alcohol-oxidizing system in hepatic peroxisomes. In addition, lactate dehydrogenase A and malate dehydrogenase 1 partially associate with human liver peroxisomes and enzyme activity profiles support the idea that NAD(+) becomes regenerated during fatty acid β-oxidation by alternative shuttling processes in human peroxisomes involving lactate dehydrogenase and/or malate dehydrogenase. Taken together, our data represent a valuable resource for future studies of peroxisome biochemistry that will advance research of human peroxisomes in health and disease. |
| format |
article |
| author |
Thomas Gronemeyer Sebastian Wiese Rob Ofman Christian Bunse Magdalena Pawlas Heiko Hayen Martin Eisenacher Christian Stephan Helmut E Meyer Hans R Waterham Ralf Erdmann Ronald J Wanders Bettina Warscheid |
| author_facet |
Thomas Gronemeyer Sebastian Wiese Rob Ofman Christian Bunse Magdalena Pawlas Heiko Hayen Martin Eisenacher Christian Stephan Helmut E Meyer Hans R Waterham Ralf Erdmann Ronald J Wanders Bettina Warscheid |
| author_sort |
Thomas Gronemeyer |
| title |
The proteome of human liver peroxisomes: identification of five new peroxisomal constituents by a label-free quantitative proteomics survey. |
| title_short |
The proteome of human liver peroxisomes: identification of five new peroxisomal constituents by a label-free quantitative proteomics survey. |
| title_full |
The proteome of human liver peroxisomes: identification of five new peroxisomal constituents by a label-free quantitative proteomics survey. |
| title_fullStr |
The proteome of human liver peroxisomes: identification of five new peroxisomal constituents by a label-free quantitative proteomics survey. |
| title_full_unstemmed |
The proteome of human liver peroxisomes: identification of five new peroxisomal constituents by a label-free quantitative proteomics survey. |
| title_sort |
proteome of human liver peroxisomes: identification of five new peroxisomal constituents by a label-free quantitative proteomics survey. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2013 |
| url |
https://doaj.org/article/29607933ccb8497eafc3ee4f6ef60c3f |
| work_keys_str_mv |
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