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Yu B, Zhan R, Hu Y, Lv Z. Mass Spectrometry Imaging: An Emerging Technology in Medical Parasitology. Anal Chem 2024; 96:8011-8020. [PMID: 38579105 DOI: 10.1021/acs.analchem.3c05341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2024]
Affiliation(s)
- Bingcheng Yu
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
- Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, Guangdong 511493, China
| | - Rongjian Zhan
- Department of Otolaryngology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, China
| | - Yue Hu
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
- Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, Guangdong 511493, China
| | - Zhiyue Lv
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
- Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, Guangdong 511493, China
- Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University Haikou, Haikou, Hainan 571199, China
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Tans R, Dey S, Dey NS, Cao JH, Paul PS, Calder G, O’Toole P, Kaye PM, Heeren RMA. Mass spectrometry imaging identifies altered hepatic lipid signatures during experimental Leishmania donovani infection. Front Immunol 2022; 13:862104. [PMID: 36003389 PMCID: PMC9394181 DOI: 10.3389/fimmu.2022.862104] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction Spatial analysis of lipids in inflammatory microenvironments is key to understand the pathogenesis of infectious disease. Granulomatous inflammation is a hallmark of leishmaniasis and changes in host and parasite lipid metabolism have been observed at the bulk tissue level in various infection models. Here, mass spectrometry imaging (MSI) is applied to spatially map hepatic lipid composition following infection with Leishmania donovani, an experimental mouse model of visceral leishmaniasis. Methods Livers from naïve and L. donovani-infected C57BL/6 mice were harvested at 14- and 20-days post-infection (n=5 per time point). 12 µm transverse sections were cut and covered with norhamane, prior to lipid analysis using MALDI-MSI. MALDI-MSI was performed in negative mode on a Rapiflex (Bruker Daltonics) at 5 and 50 µm spatial resolution and data-dependent analysis (DDA) on an Orbitrap-Elite (Thermo-Scientific) at 50 µm spatial resolution for structural identification analysis of lipids. Results Aberrant lipid abundances were observed in a heterogeneous distribution across infected mouse livers compared to naïve mouse liver. Distinctive localized correlated lipid masses were found in granulomas and surrounding parenchymal tissue. Structural identification revealed 40 different lipids common to naïve and d14/d20 infected mouse livers, whereas 15 identified lipids were only detected in infected mouse livers. For pathology-guided MSI imaging, we deduced lipids from manually annotated granulomatous and parenchyma regions of interests (ROIs), identifying 34 lipids that showed significantly different intensities between parenchyma and granulomas across all infected livers. Discussion Our results identify specific lipids that spatially correlate to the major histopathological feature of Leishmania donovani infection in the liver, viz. hepatic granulomas. In addition, we identified a three-fold increase in the number of unique phosphatidylglycerols (PGs) in infected liver tissue and provide direct evidence that arachidonic acid-containing phospholipids are localized with hepatic granulomas. These phospholipids may serve as important precursors for downstream oxylipin generation with consequences for the regulation of the inflammatory cascade. This study provides the first description of the use of MSI to define spatial-temporal lipid changes at local sites of infection induced by Leishmania donovani in mice.
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Affiliation(s)
- Roel Tans
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, Maastricht, Netherlands
| | - Shoumit Dey
- York Biomedical Research Institute, Hull York Medical School, University of York, York, United Kingdom
| | - Nidhi Sharma Dey
- York Biomedical Research Institute, Hull York Medical School, University of York, York, United Kingdom
| | - Jian-Hua Cao
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, Maastricht, Netherlands
| | - Prasanjit S. Paul
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, Maastricht, Netherlands
| | - Grant Calder
- Department of Biology, University of York, York, United Kingdom
| | - Peter O’Toole
- Department of Biology, University of York, York, United Kingdom
| | - Paul M. Kaye
- York Biomedical Research Institute, Hull York Medical School, University of York, York, United Kingdom
- *Correspondence: Paul M. Kaye, ; Ron M. A. Heeren,
| | - Ron M. A. Heeren
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, Maastricht, Netherlands
- *Correspondence: Paul M. Kaye, ; Ron M. A. Heeren,
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Barajas-Solano C, Muñoz B, Chicano-Gálvez E, Escobar P, Mejía-Ospino E. Discriminator for Cutaneous Leishmaniasis Using MALDI-MSI in a Murine Model. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2022; 33:952-960. [PMID: 35549471 DOI: 10.1021/jasms.2c00015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Cutaneous leishmaniasis is a skin disease caused by flagellate protozoa of the genus Leishmania and transmitted by sandflies of the genus Lutzomyia. Around 1 million new cases occur in the world annually, with a total of 12 million people affected, mainly in rural areas with low access to health services and adequate treatments. In the area of the Americas, Colombia has one of the highest infection rates after Brazil. Topical treatments with pentamidine isethionate (PMD) present an attractive alternative due to their ease of application and low costs. However, cutaneous leishmaniasis lesions present nodules with seropurulent exudate that, when drying, form hyperkeratotic lesions, hindering the effective penetration of drugs for their treatment. The use of molecular histology techniques, such as MALDI-MSI, allow in situ evaluation of the penetration of the treatment to the sections of the dermis where the disease-causing parasite resides. However, the large volume of information generated makes it impossible to process it manually. Machine learning techniques allow the unsupervised processing of large amounts of information, generating prediction models for the classification of new information. This work proposes a low-cost method to generate cutaneous leishmaniasis detection and classification models using MALDI-MSI images taken from murine models. The proposed models allow a 95% efficiency when separating healthy samples from infected samples and an effectiveness of 67% when separating effectively treated samples from unsuccessfully treated samples.
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Affiliation(s)
- Crisostomo Barajas-Solano
- Systems Engineering Department, Universidad de Investigación y Desarrollo, 687033 Barrancabermeja, Colombia
| | - Betsy Muñoz
- Center of Research in Tropical Diseases (CINTROP), Universidad Industrial de Santander, 680002 Bucaramanga, Colombia
| | - Eduardo Chicano-Gálvez
- Maimónides Institute of Biomedical Research of Córdoba (IMIBIC), Proteomic Unit, 14004 Córdoba Spain
| | - Patricia Escobar
- Center of Research in Tropical Diseases (CINTROP), Universidad Industrial de Santander, 680002 Bucaramanga, Colombia
| | - Enrique Mejía-Ospino
- Laboratorio de Espectroscopia Atómica y Molecular (LEAM), Universidad Industrial de Santander, 680002 Bucaramanga, Colombia
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Jayathirtha M, Dupree EJ, Manzoor Z, Larose B, Sechrist Z, Neagu AN, Petre BA, Darie CC. Mass Spectrometric (MS) Analysis of Proteins and Peptides. Curr Protein Pept Sci 2020; 22:92-120. [PMID: 32713333 DOI: 10.2174/1389203721666200726223336] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 05/12/2020] [Accepted: 05/28/2020] [Indexed: 01/09/2023]
Abstract
The human genome is sequenced and comprised of ~30,000 genes, making humans just a little bit more complicated than worms or flies. However, complexity of humans is given by proteins that these genes code for because one gene can produce many proteins mostly through alternative splicing and tissue-dependent expression of particular proteins. In addition, post-translational modifications (PTMs) in proteins greatly increase the number of gene products or protein isoforms. Furthermore, stable and transient interactions between proteins, protein isoforms/proteoforms and PTM-ed proteins (protein-protein interactions, PPI) add yet another level of complexity in humans and other organisms. In the past, all of these proteins were analyzed one at the time. Currently, they are analyzed by a less tedious method: mass spectrometry (MS) for two reasons: 1) because of the complexity of proteins, protein PTMs and PPIs and 2) because MS is the only method that can keep up with such a complex array of features. Here, we discuss the applications of mass spectrometry in protein analysis.
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Affiliation(s)
- Madhuri Jayathirtha
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY, United States
| | - Emmalyn J Dupree
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY, United States
| | - Zaen Manzoor
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY, United States
| | - Brianna Larose
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY, United States
| | - Zach Sechrist
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY, United States
| | - Anca-Narcisa Neagu
- Laboratory of Animal Histology, Faculty of Biology, "Alexandru Ioan Cuza" University of Iasi, Iasi, Romania
| | - Brindusa Alina Petre
- Laboratory of Biochemistry, Department of Chemistry, Al. I. Cuza University of Iasi, Iasi, Romania, Center for Fundamental Research and Experimental Development in Translation Medicine - TRANSCEND, Regional Institute of Oncology, Iasi, Romania
| | - Costel C Darie
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY, United States
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Negrão F, Diedrich JK, Giorgio S, Eberlin MN, Yates JR. Tandem Mass Tag Proteomic Analysis of in Vitro and in Vivo Models of Cutaneous Leishmaniasis Reveals Parasite-Specific and Nonspecific Modulation of Proteins in the Host. ACS Infect Dis 2019; 5:2136-2147. [PMID: 31600437 DOI: 10.1021/acsinfecdis.9b00275] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cutaneous leishmaniasis, the most common form of leishmaniasis, is endemic in several regions of the world, and if not treated properly, it can cause disfiguring scars on the skin. Leishmania spp. infection causes an inflammatory response in its host, and it modulates the host metabolism differently depending on the Leishmania species. Since Leishmania spp. has begun to develop resistance against current therapies, we believe efforts to identify new possibilities for treatment are critical for future control of the disease. Proteomics approaches such as isobaric labeling yield accurate relative quantification of protein abundances and, when combined with chemometrics/statistical analysis, provide robust information about protein modulation across biological conditions. Using a mass spectrometry-based proteomics approach and tandem mass tag labeling, we have investigated protein modulation in murine macrophages (in vitro model) and skin biopsies after exposure to Leishmania spp. (in vivo murine model). Infections induced by L. amazonensis (endemic in the New World) and L. major (endemic in the Old World) were compared to an inflammation model to search for Leishmania-specific and nonspecific protein modulation in the host. After protein extracts obtained from in vitro and in vivo experiments were digested, the resulting peptides were labeled with isobaric tags and analyzed by liquid chromatography-MS (LC-MS). Several proteins that were found to be changed upon infection with Leishmania spp. provide interesting candidates for further investigation into disease mechanism and development of possible immunotherapies.
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Affiliation(s)
- Fernanda Negrão
- Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, SR302, La Jolla, California 92037, United States
- Department of Animal Biology, Institute of Biology, Rua Monteiro Lobato, 255, Campinas, São Paulo 13083-862, Brazil
| | - Jolene K. Diedrich
- Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, SR302, La Jolla, California 92037, United States
| | - Selma Giorgio
- Department of Animal Biology, Institute of Biology, Rua Monteiro Lobato, 255, Campinas, São Paulo 13083-862, Brazil
| | - Marcos N. Eberlin
- School of Engineering, Mackenzie Presbyterian University, Rua da Consolação, 930, São Paulo, São Paulo 01302-907, Brazil
| | - John R. Yates
- Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, SR302, La Jolla, California 92037, United States
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Capelli-Peixoto J, Mule SN, Tano FT, Palmisano G, Stolf BS. Proteomics and Leishmaniasis: Potential Clinical Applications. Proteomics Clin Appl 2019; 13:e1800136. [PMID: 31347770 DOI: 10.1002/prca.201800136] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 07/02/2019] [Indexed: 02/06/2023]
Abstract
Leishmaniases are diseases caused by protozoan parasites of the genus Leishmania. They are endemic in 98 countries, affect around 12 million people worldwide and may present several distinct clinical forms. Unfortunately, there are only a few drugs available for treatment of leishmaniasis, which are toxic and not always effective. Different parasite species and different clinical forms require optimization of the treatment or more specific therapies, which are not available. The emergence of resistance is also a matter of concern. Besides, diagnosis can sometimes be complicated due to atypical manifestations and associations with other pathologies. In this review, proteomic data are presented and discussed in terms of their application in important issues in leishmaniasis such as parasite resistance to chemotherapy, diagnosis of active disease in patients and dogs, markers for different clinical forms, identification of virulence factors, and their potential use in vaccination. It is shown that proteomics has contributed to the discovery of potential biomarkers for prognosis, diagnosis, therapeutics, monitoring of disease progression, treatment follow-up and identification of vaccine candidates for specific diseases. However, the authors believe its capabilities have not yet been fully explored for routine clinical analysis for several reasons, which will be presented in this review.
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Affiliation(s)
- Janaína Capelli-Peixoto
- Leishmaniasis laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil
| | - Simon Ngao Mule
- GlycoProteomics laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil
| | - Fabia Tomie Tano
- Leishmaniasis laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil
| | - Giuseppe Palmisano
- GlycoProteomics laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil
| | - Beatriz Simonsen Stolf
- Leishmaniasis laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil
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Negrão F, Giorgio S, Eberlin MN, Yates JR. Comparative Proteomic Analysis of Murine Cutaneous Lesions Induced by Leishmania amazonensis or Leishmania major. ACS Infect Dis 2019; 5:1295-1305. [PMID: 31094195 DOI: 10.1021/acsinfecdis.8b00370] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Cutaneous leishmaniasisis is the most common clinical form of leishmaniasis and one of the most relevant neglected diseases. It is known that the progress of the disease is species specific and the host's immune response plays an important role in its outcome. However, the pathways that lead to parasite clearance or survival remain unknown. In this work, skin tissue from mice experimentally infected with L. amazonensis, one of the causative agents of cutaneous leishmaniasis in the Amazon region, L. major, another causative agent of cutaneous leishmaniasis in Africa, the Middle East, China, and India, or lipopolysaccharides from Escherichia coli as an inflammation model were investigated using label-free proteomics to unveil Leishmania-specific protein alterations. Proteomics is a powerful tool to investigate host-pathogen relationships to address biological questions. In this work, proteins from mice skin biopsies were identified and quantified using nano-LC coupled with tandem mass spectrometry analyses. Integrated Proteomics Pipeline was used for peptide/protein identification and quantification. Western blot was used for validation of protein quantification by mass spectrometry, and protein pathways were predicted using Ingenuity Pathway Analysis. In this proteomics study, several proteins were pointed out as hypothetical targets to guide future studies on Leishmania-specific modulation of proteins in the host. We identified hundreds of exclusively modulated proteins after Leishmania spp. infection and 17 proteins that were differentially modulated in the host after L. amazonensis or L. major infection.
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Affiliation(s)
- Fernanda Negrão
- Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, SR302, La Jolla, California 92037, United States
- Department of Animal Biology, Institute of Biology, Rua Monteiro Lobato, 255, Campinas, Sao Paulo 13083-862, Brazil
- Department of Organic Chemistry, Institute of Chemistry, UNICAMP, Rua Josué de Castro SN, Room A111, Campinas, Sao Paulo 13083-862, Brazil
| | - Selma Giorgio
- Department of Animal Biology, Institute of Biology, Rua Monteiro Lobato, 255, Campinas, Sao Paulo 13083-862, Brazil
| | - Marcos Nogueira Eberlin
- Department of Organic Chemistry, Institute of Chemistry, UNICAMP, Rua Josué de Castro SN, Room A111, Campinas, Sao Paulo 13083-862, Brazil
| | - John R. Yates
- Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, SR302, La Jolla, California 92037, United States
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Negrão F, Fernandez-Costa C, Zorgi N, Giorgio S, Nogueira Eberlin M, Yates JR. Label-Free Proteomic Analysis Reveals Parasite-Specific Protein Alterations in Macrophages Following Leishmania amazonensis, Leishmania major, or Leishmania infantum Infection. ACS Infect Dis 2019; 5:851-862. [PMID: 30978002 DOI: 10.1021/acsinfecdis.8b00338] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Leishmania is an obligate intracellular parasite known to modulate the host cell to survive and proliferate. However, the complexity of host-parasite interactions remains unclear. Also, the outcome of the disease has been recognized to be species-specific and dependent on the host's immune responses. Proteomics has emerged as a powerful tool to investigate the host-pathogen interface, allowing us to deepen our knowledge about infectious diseases. Quantification of the relative amount of proteins in a sample can be achieved using label-free proteomics, and for the first time, we have used it to quantify Leishmania-specific protein alterations in macrophages. Protein extracts were obtained and digested, and peptides were identified and quantified using nano-LC coupled with tandem mass spectrometry analyses. Protein expression was validated by Western blot analysis. Integrated Proteomics Pipeline was used for peptide/protein identification and for quantification and data processing. Ingenuity Pathway Analysis was used for network analysis. In this work, we investigated how this intracellular parasite modulates protein expression on a host macrophage by comparing three different Leishmania species- L. amazonensis, one of the causative agents of cutaneous disease in the Amazon region; L. major, another causative agent of cutaneous leishmaniasis in Africa, the Middle East, China, and India; L. infantum, the causative agent of visceral leishmaniasis affecting humans and dogs in Latin America-and lipopolysaccharide stimulated macrophages as an in vitro inflammation model. Our results revealed that Leishmania infection downregulates apoptosis pathways while upregulating the activation of phagocytes/leukocytes and lipid accumulation.
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Affiliation(s)
- Fernanda Negrão
- Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, SR302, La Jolla, California 92037, United States
- Department of Animal Biology, Institute of Biology, Rua Monteiro Lobato, 255, Campinas, Sao Paulo 13083-862, Brazil
- Department of Organic Chemistry, Institute of Chemistry, UNICAMP, Rua Josué de Castro SN, Room A111, Campinas, Sao Paulo 13083-862, Brazil
| | - Carolina Fernandez-Costa
- Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, SR302, La Jolla, California 92037, United States
| | - Nahiara Zorgi
- Department of Animal Biology, Institute of Biology, Rua Monteiro Lobato, 255, Campinas, Sao Paulo 13083-862, Brazil
| | - Selma Giorgio
- Department of Animal Biology, Institute of Biology, Rua Monteiro Lobato, 255, Campinas, Sao Paulo 13083-862, Brazil
| | - Marcos Nogueira Eberlin
- Department of Organic Chemistry, Institute of Chemistry, UNICAMP, Rua Josué de Castro SN, Room A111, Campinas, Sao Paulo 13083-862, Brazil
| | - John R. Yates
- Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, SR302, La Jolla, California 92037, United States
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Petukhova VZ, Young AN, Wang J, Wang M, Ladanyi A, Kothari R, Burdette JE, Sanchez LM. Whole Cell MALDI Fingerprinting Is a Robust Tool for Differential Profiling of Two-Component Mammalian Cell Mixtures. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2019; 30:344-354. [PMID: 30353292 PMCID: PMC6347503 DOI: 10.1007/s13361-018-2088-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 10/08/2018] [Accepted: 10/10/2018] [Indexed: 05/09/2023]
Abstract
MALDI fingerprinting was first described two decades ago as a technique to identify microbial cell lines. Microbial fingerprinting has since evolved into an automated platform for microorganism identification and classification, which is now routinely used in clinical and environmental sectors. The extension of fingerprinting to mammalian cells has yet to progress partly due to compartmentalization of eukaryotic cells and overall higher cellular complexity. A number of publications on mammalian whole cell fingerprinting suggest that the method could be useful for classification of different cell types, cell states, and monitoring cell differentiation. We report the optimization of MALDI fingerprinting workflow parameters for mammalian cells and its application for differential profiling of mammalian cell lines and two-component cell line mixtures. Murine fallopian tube cells and high-grade ovarian carcinoma cell lines and their mixtures are used as model mammalian cell lines. Two-component cell mixtures serve to determine the method's feasibility for complex biological samples as the ability to detect cancer cells in a mixed cell population. The level of detection of cancer cells in the two-component mixture by principle component analysis (PCA) starts to deteriorate at 5% but with application of a different statistical approach, Wilcoxon rank sum test, the level of detection was determined to be 1%. The ability to differentiate heterogeneous cell mixtures will help further extend whole cell MALDI fingerprinting to complex biological systems. Graphical Abstract.
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Affiliation(s)
- Valentina Z Petukhova
- Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, 833 S Wood St., MC 781, Room 539, Chicago, IL, 60612, USA
| | - Alexandria N Young
- Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, 833 S Wood St., MC 781, Room 539, Chicago, IL, 60612, USA
| | - Jian Wang
- Ometa Labs, 3210 Merryfield Row, San Diego, CA, 92121, USA
| | - Mingxun Wang
- Ometa Labs, 3210 Merryfield Row, San Diego, CA, 92121, USA
| | - Andras Ladanyi
- Department of Obstetrics & Gynecology, Rush University Medical Center, 1653 W Congress Pkwy, Chicago, IL, 60612, USA
| | - Rajul Kothari
- Department of Obstetrics & Gynecology-Division of Gynecologic Oncology, University of Illinois at Chicago, 820 S Wood St., Chicago, IL, 60612, USA
| | - Joanna E Burdette
- Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, 833 S Wood St., MC 781, Room 539, Chicago, IL, 60612, USA
| | - Laura M Sanchez
- Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, 833 S Wood St., MC 781, Room 539, Chicago, IL, 60612, USA.
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Neagu AN. Proteome Imaging: From Classic to Modern Mass Spectrometry-Based Molecular Histology. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1140:55-98. [PMID: 31347042 DOI: 10.1007/978-3-030-15950-4_4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In order to overcome the limitations of classic imaging in Histology during the actually era of multiomics, the multi-color "molecular microscope" by its emerging "molecular pictures" offers quantitative and spatial information about thousands of molecular profiles without labeling of potential targets. Healthy and diseased human tissues, as well as those of diverse invertebrate and vertebrate animal models, including genetically engineered species and cultured cells, can be easily analyzed by histology-directed MALDI imaging mass spectrometry. The aims of this review are to discuss a range of proteomic information emerging from MALDI mass spectrometry imaging comparative to classic histology, histochemistry and immunohistochemistry, with applications in biology and medicine, concerning the detection and distribution of structural proteins and biological active molecules, such as antimicrobial peptides and proteins, allergens, neurotransmitters and hormones, enzymes, growth factors, toxins and others. The molecular imaging is very well suited for discovery and validation of candidate protein biomarkers in neuroproteomics, oncoproteomics, aging and age-related diseases, parasitoproteomics, forensic, and ecotoxicology. Additionally, in situ proteome imaging may help to elucidate the physiological and pathological mechanisms involved in developmental biology, reproductive research, amyloidogenesis, tumorigenesis, wound healing, neural network regeneration, matrix mineralization, apoptosis and oxidative stress, pain tolerance, cell cycle and transformation under oncogenic stress, tumor heterogeneity, behavior and aggressiveness, drugs bioaccumulation and biotransformation, organism's reaction against environmental penetrating xenobiotics, immune signaling, assessment of integrity and functionality of tissue barriers, behavioral biology, and molecular origins of diseases. MALDI MSI is certainly a valuable tool for personalized medicine and "Eco-Evo-Devo" integrative biology in the current context of global environmental challenges.
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Affiliation(s)
- Anca-Narcisa Neagu
- Laboratory of Animal Histology, Faculty of Biology, "Alexandru Ioan Cuza" University of Iasi, Iasi, Romania.
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