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Rodrigues TB, Cunha RL, Barci PEP, Santos-Neto ÁJ, Lanças FM. Analysis of human biological samples using porous graphitic carbon columns and liquid chromatography-mass spectrometry: a review. Anal Bioanal Chem 2024:10.1007/s00216-024-05458-8. [PMID: 39158631 DOI: 10.1007/s00216-024-05458-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/18/2024] [Accepted: 07/23/2024] [Indexed: 08/20/2024]
Abstract
Liquid chromatography-mass spectrometry (LC-MS) has emerged as a powerful analytical technique for analyzing complex biological samples. Among various chromatographic stationary phases, porous graphitic carbon (PGC) columns have attracted significant attention due to their unique properties-such as the ability to separate both polar and non-polar compounds and their stability through all pH ranges and to high temperatures-besides the compatibility with LC-MS. This review discusses the applicability of PGC for SPE and separation in LC-MS-based analyses of human biological samples, highlighting the diverse applications of PGC-LC-MS in analyzing endogenous metabolites, pharmaceuticals, and biomarkers, such as glycans, proteins, oligosaccharides, sugar phosphates, and nucleotides. Additionally, the fundamental principles underlying PGC column chemistry and its advantages, challenges, and advances in method development are explored. This comprehensive review aims to provide researchers and practitioners with a valuable resource for understanding the capabilities and limitations of PGC columns in LC-MS-based analysis of human biological samples, thereby facilitating advancements in analytical methodologies and biomedical research.
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Affiliation(s)
- Taís Betoni Rodrigues
- Laboratory of Chromatography (CROMA), São Carlos Institute of Chemistry, University of São Paulo (USP), São Carlos, São Paulo, 13560-970, Brazil.
| | - Ricardo Leal Cunha
- Forensic Toxicology Laboratory, Scientific Police, São Cristóvão, Sergipe, 49100-000, Brazil
| | - Paulo Emílio Pereira Barci
- Laboratory of Chromatography (CROMA), São Carlos Institute of Chemistry, University of São Paulo (USP), São Carlos, São Paulo, 13560-970, Brazil
| | - Álvaro José Santos-Neto
- Laboratory of Chromatography (CROMA), São Carlos Institute of Chemistry, University of São Paulo (USP), São Carlos, São Paulo, 13560-970, Brazil
| | - Fernando Mauro Lanças
- Laboratory of Chromatography (CROMA), São Carlos Institute of Chemistry, University of São Paulo (USP), São Carlos, São Paulo, 13560-970, Brazil
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Teraiya M, Krokhin O, Chen VC, Perreault H. Cytoplasmic Shotgun Proteomic Points to Key Proteins and Pathways in Temozolomide-Resistant Glioblastoma Multiforme. J Proteome Res 2024; 23:465-482. [PMID: 38147655 DOI: 10.1021/acs.jproteome.3c00669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Temozolomide (TMZ) is the first line of chemotherapy to treat primary brain tumors of the type glioblastoma multiforme (GBM). TMZ resistance (TMZR) is one of the main barriers to successful treatment and is a principal factor in relapse, resulting in a poor median survival of 15 months. The present paper focuses on proteomic analyses of cytosolic fractions from TMZ-resistant (TMZR) LN-18 cells. The experimental workflow includes an easy, cost-effective, and reproducible method to isolate subcellular fraction of cytosolic (CYTO) proteins, mitochondria, and plasma membrane proteins for proteomic studies. For this study, enriched cytoplasmic fractions were analyzed in replicates by nanoflow liquid chromatography tandem high-resolution mass spectrometry (nLC-MS/MS), and proteins identified were quantified using a label-free approach (LFQ). Statistical analysis of control (CTRL) and temozolomide-resistant (TMZR) proteomes revealed proteins that appear to be differentially controlled in the cytoplasm. The functions of these proteins are discussed as well as their roles in other cancers and TMZ resistance in GBM. Key proteins are also described through biological processes related to gene ontology (GO), molecular functions, and cellular components. For protein-protein interactions (PPI), network and pathway involvement analyses have been performed, highlighting the roles of key proteins in the TMZ resistance phenotypes. This study provides a detailed insight into methods of subcellular fractionation for proteomic analysis of TMZ-resistant GBM cells and the potential to apply this approach to future large-scale studies. Several key proteins, protein-protein interactions (PPI), and pathways have been identified, underlying the TMZ resistance phenotype and highlighting the proteins' biological functions.
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Affiliation(s)
- Milan Teraiya
- Chemistry Department, University of Manitoba, Winnipeg, Manitoba R3T3C7, Canada
| | - Oleg Krokhin
- Chemistry Department, University of Manitoba, Winnipeg, Manitoba R3T3C7, Canada
- Manitoba Centre for Proteomics and Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba R3E3P4, Canada
| | - Vincent C Chen
- Chemistry Department, Brandon University, Brandon, Manitoba R7A 6A9, Canada
| | - Hélène Perreault
- Chemistry Department, University of Manitoba, Winnipeg, Manitoba R3T3C7, Canada
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Xie Z, Feng Q, Zhang S, Yan Y, Deng C, Ding CF. Advances in proteomics sample preparation and enrichment for phosphorylation and glycosylation analysis. Proteomics 2022; 22:e2200070. [PMID: 36100958 DOI: 10.1002/pmic.202200070] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 08/06/2022] [Accepted: 08/15/2022] [Indexed: 11/08/2022]
Abstract
As the common and significant chemical modifications, post-translational modifications (PTMs) play a key role in the functional proteome. Affected by the signal interference, low concentration, and insufficient ionization efficiency of impurities, the direct detection of PTMs by mass spectrometry (MS) still faces many challenges. Therefore, sample preparation and enrichment are an indispensable link before MS analysis of PTMs in proteomics. The rapid development of functionalized materials with diverse morphologies and compositions provides an avenue for sample preparation and enrichment for PTMs analysis. In this review, we summarize recent advances in the application of novel functionalized materials in sample preparation for phosphoproteomes and glycoproteomes analysis. In addition, this review specifically discusses the design and preparation of functionalized materials based on different enrichment mechanisms, and proposes research directions and potential challenges for proteomic PTMs research.
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Affiliation(s)
- Zehu Xie
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, China
| | - Quanshou Feng
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, China
| | - Shun Zhang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, China
| | - Yinghua Yan
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, China.,Department of Experimental Medical Science, HwaMei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
| | - Chunhui Deng
- Department of Chemistry, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Chuan-Fan Ding
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, China.,Department of Experimental Medical Science, HwaMei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
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Materials, workflows and applications of IMAC for phosphoproteome profiling in the recent decade: A review. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Cipak L. Protein Kinases: Function, Substrates, and Implication in Diseases. Int J Mol Sci 2022; 23:ijms23073560. [PMID: 35408921 PMCID: PMC8998185 DOI: 10.3390/ijms23073560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 11/16/2022] Open
Affiliation(s)
- Lubos Cipak
- Department of Genetics, Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia
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Sevcovicova A, Plava J, Gazdarica M, Szabova E, Huraiova B, Gaplovska-Kysela K, Cipakova I, Cipak L, Gregan J. Mapping and Analysis of Swi5 and Sfr1 Phosphorylation Sites. Genes (Basel) 2021; 12:1014. [PMID: 34208949 PMCID: PMC8305525 DOI: 10.3390/genes12071014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 06/25/2021] [Accepted: 06/29/2021] [Indexed: 01/23/2023] Open
Abstract
The evolutionarily conserved Swi5-Sfr1 complex plays an important role in homologous recombination, a process crucial for the maintenance of genomic integrity. Here, we purified Schizosaccharomyces pombe Swi5-Sfr1 complex from meiotic cells and analyzed it by mass spectrometry. Our analysis revealed new phosphorylation sites on Swi5 and Sfr1. We found that mutations that prevent phosphorylation of Swi5 and Sfr1 do not impair their function but swi5 and sfr1 mutants encoding phosphomimetic aspartate at the identified phosphorylation sites are only partially functional. We concluded that during meiosis, Swi5 associates with Sfr1 and both Swi5 and Sfr1 proteins are phosphorylated. However, the functional relevance of Swi5 and Sfr1 phosphorylation remains to be determined.
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Affiliation(s)
- Andrea Sevcovicova
- Department of Genetics, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia; (A.S.); (J.P.); (M.G.); (E.S.); (B.H.); (K.G.-K.)
| | - Jana Plava
- Department of Genetics, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia; (A.S.); (J.P.); (M.G.); (E.S.); (B.H.); (K.G.-K.)
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia
| | - Matej Gazdarica
- Department of Genetics, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia; (A.S.); (J.P.); (M.G.); (E.S.); (B.H.); (K.G.-K.)
- Institute of Molecular Genetics of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Eva Szabova
- Department of Genetics, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia; (A.S.); (J.P.); (M.G.); (E.S.); (B.H.); (K.G.-K.)
| | - Barbora Huraiova
- Department of Genetics, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia; (A.S.); (J.P.); (M.G.); (E.S.); (B.H.); (K.G.-K.)
| | - Katarina Gaplovska-Kysela
- Department of Genetics, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia; (A.S.); (J.P.); (M.G.); (E.S.); (B.H.); (K.G.-K.)
| | - Ingrid Cipakova
- Department of Genetics, Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia;
| | - Lubos Cipak
- Department of Genetics, Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia;
| | - Juraj Gregan
- Advanced Microscopy Facility, VBCF and Department of Chromosome Biology, Max Perutz Labs, University of Vienna, Vienna Biocenter (VBC), Dr. Bohr-Gasse 9, 1030 Vienna, Austria
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Mikolaskova B, Jurcik M, Cipakova I, Selicky T, Jurcik J, Polakova SB, Stupenova E, Dudas A, Sivakova B, Bellova J, Barath P, Aronica L, Gregan J, Cipak L. Identification of Nrl1 Domains Responsible for Interactions with RNA-Processing Factors and Regulation of Nrl1 Function by Phosphorylation. Int J Mol Sci 2021; 22:7011. [PMID: 34209806 PMCID: PMC8268110 DOI: 10.3390/ijms22137011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/15/2021] [Accepted: 06/27/2021] [Indexed: 12/26/2022] Open
Abstract
Pre-mRNA splicing is a key process in the regulation of gene expression. In the fission yeast Schizosaccharomyces pombe, Nrl1 regulates splicing and expression of several genes and non-coding RNAs, and also suppresses the accumulation of R-loops. Here, we report analysis of interactions between Nrl1 and selected RNA-processing proteins and regulation of Nrl1 function by phosphorylation. Bacterial two-hybrid system (BACTH) assays revealed that the N-terminal region of Nrl1 is important for the interaction with ATP-dependent RNA helicase Mtl1 while the C-terminal region of Nrl1 is important for interactions with spliceosome components Ctr1, Ntr2, and Syf3. Consistent with this result, tandem affinity purification showed that Mtl1, but not Ctr1, Ntr2, or Syf3, co-purifies with the N-terminal region of Nrl1. Interestingly, mass-spectrometry analysis revealed that in addition to previously identified phosphorylation sites, Nrl1 is also phosphorylated on serines 86 and 112, and that Nrl1-TAP co-purifies with Cka1, the catalytic subunit of casein kinase 2. In vitro assay showed that Cka1 can phosphorylate bacterially expressed Nrl1 fragments. An analysis of non-phosphorylatable nrl1 mutants revealed defects in gene expression and splicing consistent with the notion that phosphorylation is an important regulator of Nrl1 function. Taken together, our results provide insights into two mechanisms that are involved in the regulation of the spliceosome-associated factor Nrl1, namely domain-specific interactions between Nrl1 and RNA-processing proteins and post-translational modification of Nrl1 by phosphorylation.
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Affiliation(s)
- Barbora Mikolaskova
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia; (B.M.); (M.J.); (I.C.); (T.S.); (J.J.)
| | - Matus Jurcik
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia; (B.M.); (M.J.); (I.C.); (T.S.); (J.J.)
| | - Ingrid Cipakova
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia; (B.M.); (M.J.); (I.C.); (T.S.); (J.J.)
| | - Tomas Selicky
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia; (B.M.); (M.J.); (I.C.); (T.S.); (J.J.)
| | - Jan Jurcik
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia; (B.M.); (M.J.); (I.C.); (T.S.); (J.J.)
| | - Silvia Bagelova Polakova
- Institute of Animal Biochemistry and Genetics, Centre of Biosciences, Slovak Academy of Sciences, 840 05 Bratislava, Slovakia; (S.B.P.); (E.S.)
| | - Erika Stupenova
- Institute of Animal Biochemistry and Genetics, Centre of Biosciences, Slovak Academy of Sciences, 840 05 Bratislava, Slovakia; (S.B.P.); (E.S.)
| | - Andrej Dudas
- Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia;
| | - Barbara Sivakova
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska Cesta 9, 845 38 Bratislava, Slovakia; (B.S.); (J.B.); (P.B.)
| | - Jana Bellova
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska Cesta 9, 845 38 Bratislava, Slovakia; (B.S.); (J.B.); (P.B.)
| | - Peter Barath
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska Cesta 9, 845 38 Bratislava, Slovakia; (B.S.); (J.B.); (P.B.)
- Medirex Group Academy, n.o., Jana Bottu 2, 917 01 Trnava, Slovakia
| | - Lucia Aronica
- Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA;
| | - Juraj Gregan
- Advanced Microscopy Facility, VBCF, Vienna Biocenter (VBC), 1030 Vienna, Austria;
| | - Lubos Cipak
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia; (B.M.); (M.J.); (I.C.); (T.S.); (J.J.)
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