A single-sample workflow for joint metabolomic and proteomic analysis of clinical specimens

工作流程 代谢组学 蛋白质组学 接头(建筑物) 样品(材料) 计算机科学 医学 数据科学 计算生物学 生物信息学 化学 生物 色谱法 工程类 数据库 生物化学 基因 建筑工程
作者
Hagen M. Gegner,Thomas Naake,Jeroen Krijgsveld,Dustin Schilling,Dustin Schilling,Dustin Schilling,Dustin Schilling,Marc A. Schneider,Nina Kunze-Rohrbach,Dustin Schilling,Rüdiger Hell,Julio Sáez-Rodríguez,Dustin Schilling,Gernot Poschet,Jeroen Krijgsveld
出处
期刊:Clinical Proteomics [Springer Nature]
卷期号:21 (1)
标识
DOI:10.1186/s12014-024-09501-9
摘要

Understanding the interplay of the proteome and the metabolome helps to understand cellular regulation and response. To enable robust inferences from such multi-omics analyses, we introduced and evaluated a workflow for combined proteome and metabolome analysis starting from a single sample. Specifically, we integrated established and individually optimized protocols for metabolomic and proteomic profiling (EtOH/MTBE and autoSP3, respectively) into a unified workflow (termed MTBE-SP3), and took advantage of the fact that the protein residue of the metabolomic sample can be used as a direct input for proteome analysis. We particularly evaluated the performance of proteome analysis in MTBE-SP3, and demonstrated equivalence of proteome profiles irrespective of prior metabolite extraction. In addition, MTBE-SP3 combines the advantages of EtOH/MTBE and autoSP3 for semi-automated metabolite extraction and fully automated proteome sample preparation, respectively, thus advancing standardization and scalability for large-scale studies. We showed that MTBE-SP3 can be applied to various biological matrices (FFPE tissue, fresh-frozen tissue, plasma, serum and cells) to enable implementation in a variety of clinical settings. To demonstrate applicability, we applied MTBE-SP3 and autoSP3 to a lung adenocarcinoma cohort showing consistent proteomic alterations between tumour and non-tumour adjacent tissue independent of the method used. Integration with metabolomic data obtained from the same samples revealed mitochondrial dysfunction in tumour tissue through deregulation of OGDH, SDH family enzymes and PKM. In summary, MTBE-SP3 enables the facile and reliable parallel measurement of proteins and metabolites obtained from the same sample, benefiting from reduced sample variation and input amount. This workflow is particularly applicable for studies with limited sample availability and offers the potential to enhance the integration of metabolomic and proteomic datasets.
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