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Xu JX, Coker A, Dulaney Z, Furbish A, Xu FZ, Helke KL, Woster PM, Nietert PJ, Braxton AM. Establishing New Isosexual Pairs in Adult Male Guinea Pigs ( Cavia porcellus) to Facilitate Social Housing. JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE : JAALAS 2024; 63:160-171. [PMID: 38262624 PMCID: PMC11022948 DOI: 10.30802/aalas-jaalas-23-000086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/06/2023] [Accepted: 01/03/2024] [Indexed: 01/25/2024]
Abstract
Guinea pigs (Cavia porcellus) are a commonly used species in biomedical research. As social creatures, compatible guinea pigs should be housed together unless scientific objectives or veterinary care require otherwise. Extensive literature suggests that adult male guinea pigs are highly aggressive in the presence of females, but data are lacking regarding the compatibility of cohoused adult males in the absence of females. Most studies that use adult males do not report housing densities. We used serial wound scoring and observations of behavior to determine whether unfamiliar adult male guinea pigs will develop stable, prosocial isosexual pairs. Wound scoring was performed before and 24 h after pairing. Serial behavioral observations assessed affiliative and agonistic behaviors at 0.5, 2, 24, and 48 h after pairing. Wound scoring and behavioral observations continued weekly for 1 mo and monthly thereafter. Wound scores were significantly higher at 24 h after pairing as compared with baseline and all other time points. Wounding was rare after week 2, indicating reduced aggression. Furthermore, affiliative behaviors significantly increased over time while agonistic behaviors were rare. Together, these data suggest that unfamiliar adult male guinea pigs establish stable prosocial pairs after an acclimation period. As was done in the present study, providing ample space, separate shelters for each animal, and the absence of female guinea pigs will likely facilitate successful pairing. We recommend consideration of a social housing program for adult male guinea pigs to provide companionship and enrich their housing environment.
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Affiliation(s)
- Jen X Xu
- Department of Drug Discovery and Biomedical Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Ashton Coker
- Department of Drug Discovery and Biomedical Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Zadie Dulaney
- Department of Drug Discovery and Biomedical Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Amelia Furbish
- Department of Drug Discovery and Biomedical Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Frank Z Xu
- Department of Biomedical Science, The University of Alabama at Birmingham, Birmingham, Alabama
| | - Kristi L Helke
- Department of Comparative Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Patrick M Woster
- Department of Drug Discovery and Biomedical Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Paul J Nietert
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Alicia M Braxton
- Department of Comparative Medicine, Medical University of South Carolina, Charleston, South Carolina;,
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Prokai L, Zaman K, Prokai-Tatrai K. Mass spectrometry-based retina proteomics. MASS SPECTROMETRY REVIEWS 2023; 42:1032-1062. [PMID: 35670041 PMCID: PMC9730434 DOI: 10.1002/mas.21786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 06/15/2023]
Abstract
A subfield of neuroproteomics, retina proteomics has experienced a transformative growth since its inception due to methodological advances in enabling chemical, biochemical, and molecular biology techniques. This review focuses on mass spectrometry's contributions to facilitate mammalian and avian retina proteomics to catalog and quantify retinal protein expressions, determine their posttranslational modifications, as well as its applications to study the proteome of the retina in the context of biology, health and diseases, and therapy developments.
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Affiliation(s)
- Laszlo Prokai
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center, Fort Worth, Texas, USA
| | - Khadiza Zaman
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center, Fort Worth, Texas, USA
| | - Katalin Prokai-Tatrai
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center, Fort Worth, Texas, USA
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3
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Huang Y, Chen X, Zhuang J, Yu K. The Role of Retinal Dysfunction in Myopia Development. Cell Mol Neurobiol 2022:10.1007/s10571-022-01309-1. [DOI: 10.1007/s10571-022-01309-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 11/16/2022] [Indexed: 11/27/2022]
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4
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Zhu Y, Bian JF, Lu DQ, To CH, Lam CSY, Li KK, Yu FJ, Gong BT, Wang Q, Ji XW, Zhang HM, Nian H, Lam TC, Wei RH. Alteration of EIF2 Signaling, Glycolysis, and Dopamine Secretion in Form-Deprived Myopia in Response to 1% Atropine Treatment: Evidence From Interactive iTRAQ-MS and SWATH-MS Proteomics Using a Guinea Pig Model. Front Pharmacol 2022; 13:814814. [PMID: 35153787 PMCID: PMC8832150 DOI: 10.3389/fphar.2022.814814] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/07/2022] [Indexed: 12/13/2022] Open
Abstract
Purpose: Atropine, a non-selective muscarinic antagonist, effectively slows down myopia progression in human adolescents and several animal models. However, the underlying molecular mechanism is unclear. The current study investigated retinal protein changes of form-deprived myopic (FDM) guinea pigs in response to topical administration of 1% atropine gel (10 g/L). Methods: At the first stage, the differentially expressed proteins were screened using fractionated isobaric tags for a relative and absolute quantification (iTRAQ) approach, coupled with nano-liquid chromatography-tandem mass spectrometry (nano-LC-MS/MS) (n = 24, 48 eyes) using a sample pooling technique. At the second stage, retinal tissues from another cohort with the same treatment (n = 12, 24 eyes) with significant ocular changes were subjected to label-free sequential window acquisition of all theoretical mass spectra (SWATH-MS) proteomics for orthogonal protein target confirmation. The localization of Alpha-synuclein was verified using immunohistochemistry and confocal imaging. Results: A total of 1,695 proteins (8,875 peptides) were identified with 479 regulated proteins (FC ≥ 1.5 or ≤0.67) found from FDM eyes and atropine-treated eyes receiving 4-weeks drug treatment using iTRAQ-MS proteomics. Combining the iTRAQ-MS and SWATH-MS datasets, a total of 29 confident proteins at 1% FDR were consistently quantified and matched, comprising 12 up-regulated and 17 down-regulated proteins which differed between FDM eyes and atropine treated eyes (iTRAQ: FC ≥ 1.5 or ≤0.67, SWATH: FC ≥ 1.4 or ≤0.71, p-value of ≤0.05). Bioinformatics analysis using IPA and STRING databases of these commonly regulated proteins revealed the involvement of the three commonly significant pathways: EIF2 signaling; glycolysis; and dopamine secretion. Additionally, the most significantly regulated proteins were closely connected to Alpha-synuclein (SNCA). Using immunostaining (n = 3), SNCA was further confirmed in the inner margin of the inner nuclear layer (INL) and spread throughout the inner plexiform layer (IPL) of the retina of guinea pigs. Conclusion: The molecular evidence using next-generation proteomics (NGP) revealed that retinal EIF2 signaling, glycolysis, and dopamine secretion through SNCA are implicated in atropine treatment of myopia in the FDM-induced guinea pig model.
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Affiliation(s)
- Ying Zhu
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Jing Fang Bian
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Da Qian Lu
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Chi Ho To
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
- Centre for Eye and Vision Research (CEVR), Hong Kong SAR, China
- Research Centre for SHARP Vision (RCSV), The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Carly Siu-Yin Lam
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
- Centre for Eye and Vision Research (CEVR), Hong Kong SAR, China
- Research Centre for SHARP Vision (RCSV), The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - King Kit Li
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Feng Juan Yu
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Bo Teng Gong
- Department of Ophthalmology, Tianjin Medical University General Hospital, Tianjin, China
| | - Qiong Wang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Xiao Wen Ji
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Hong Mei Zhang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Hong Nian
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Thomas Chuen Lam
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
- Centre for Eye and Vision Research (CEVR), Hong Kong SAR, China
- Research Centre for SHARP Vision (RCSV), The Hong Kong Polytechnic University, Hong Kong SAR, China
- Shenzhen Research Institute, The Hong Kong Polytechnic University, Shenzhen, China
- *Correspondence: Rui Hua Wei, ; Thomas Chuen Lam,
| | - Rui Hua Wei
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
- *Correspondence: Rui Hua Wei, ; Thomas Chuen Lam,
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Wen Y, Jin L, Zhang D, Zhang L, Xie C, Guo D, Wang Y, Wang L, Zhu M, Tong J, Shen Y. Quantitative proteomic analysis of scleras in guinea pig exposed to wavelength defocus. J Proteomics 2021; 243:104248. [PMID: 33964483 DOI: 10.1016/j.jprot.2021.104248] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 12/14/2022]
Abstract
Myopia is the most common optical disorder in the world, and wavelength defocus induced ametropia and myopia have attracted great attention. The objective was to identify and quantify scleral proteins involved in the response to the wavelength defocus. Guinea pigs were randomly divided into 3 groups that received different lighting conditions for 8 weeks: white light, short wavelength light, and long wavelength light. Refraction and axial length were measured, Hematoxylin-Eosin staining and transmission electron microscope were adopted to observe the scleral structure, and scleral proteome was also detected to analyze protein abundance by employing TMT labeling method. After light stimulation, the long- and short -wavelength light induced myopic and hyperopic effect on the guinea pig's eye and induced distinct protein signature, respectively. 186 dyregulated proteins between the short- and long-wavelength group were identified, which were mainly located in extracellular region and involved in metabolic process. We also found that 5 proteins in the guinea pigs scleras in response to wavelength defocus were also human myopic candidate targets, suggesting functional overlap between dyregulated proteins in scleral upon exposure to wavelength defocus and genes causing myopia in humans. SIGNIFICANCE: Wavelength defocus induces refractive errors and leads to myopia or hyperopia. However, sclera proteomics respond to wavelength defocus is lacking, which is crucial to understanding how wavelength defocus influences refractive development and induces myopia. In this proteome analysis, we identified unique protein signatures response to wavelength defocus in sclera of guinea pigs, identified potential mechanisms contributing to myopia formation, and found that several human myopia-related genes may involve in response to wavelength defocus. The results of this study provide a foundation to understand the mechanisms of myopia and wavelength defocus induced ametropia.
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Affiliation(s)
- Yingying Wen
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Le Jin
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Dongyan Zhang
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Liyue Zhang
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Chen Xie
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Dongyu Guo
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Yang Wang
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Liyin Wang
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Miaomiao Zhu
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
| | - Jianping Tong
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China.
| | - Ye Shen
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China; Clinical Research Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China.
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Bian J, Sze YH, Tse DYY, To CH, McFadden SA, Lam CSY, Li KK, Lam TC. SWATH Based Quantitative Proteomics Reveals Significant Lipid Metabolism in Early Myopic Guinea Pig Retina. Int J Mol Sci 2021; 22:4721. [PMID: 33946922 PMCID: PMC8124159 DOI: 10.3390/ijms22094721] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/22/2021] [Accepted: 04/25/2021] [Indexed: 12/14/2022] Open
Abstract
Most of the previous myopic animal studies employed a single-candidate approach and lower resolution proteomics approaches that were difficult to detect minor changes, and generated limited systems-wide biological information. Hence, a complete picture of molecular events in the retina involving myopic development is lacking. Here, to investigate comprehensive retinal protein alternations and underlying molecular events in the early myopic stage, we performed a data-independent Sequential Window Acquisition of all Theoretical Mass Spectra (SWATH) based proteomic analysis coupled with different bioinformatics tools in pigmented guinea pigs after 4-day lens-induced myopia (LIM). Myopic eyes compared to untreated contralateral control eyes caused significant changes in refractive error and choroid thickness (p < 0.05, n = 5). Relative elongation of axial length and the vitreous chamber depth were also observed. Using pooled samples from all individuals (n = 10) to build a species-specific retinal ion library for SWATH analysis, 3202 non-redundant proteins (with 24,616 peptides) were identified at 1% global FDR. For quantitative analysis, the 10 individual retinal samples (5 pairs) were analyzed using a high resolution Triple-TOF 6600 mass spectrometry (MS) with technical replicates. In total, 37 up-regulated and 21 down-regulated proteins were found significantly changed after LIM treatment (log2 ratio (T/C) > 0.26 or < -0.26; p ≤ 0.05). Data are accepted via ProteomeXchange with identifier PXD025003. Through Ingenuity Pathways Analysis (IPA), "lipid metabolism" was found as the top function associated with the differentially expressed proteins. Based on the protein abundance and peptide sequences, expression patterns of two regulated proteins (SLC6A6 and PTGES2) identified in this pathway were further successfully validated with high confidence (p < 0.05) using a novel Multiple Reaction Monitoring (MRM) assay on a QTRAP 6500+ MS. In summary, through an integrated discovery and targeted proteomic approach, this study serves as the first report to detect and confirm novel retinal protein changes and significant biological functions in the early LIM mammalian guinea pigs. The study provides new workflow and insights for further research to myopia control.
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Affiliation(s)
- Jingfang Bian
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China; (J.B.); (Y.-H.S.); (D.Y.-Y.T.); (C.-H.T.); (C.S.-Y.L.); (K.-K.L.)
| | - Ying-Hon Sze
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China; (J.B.); (Y.-H.S.); (D.Y.-Y.T.); (C.-H.T.); (C.S.-Y.L.); (K.-K.L.)
| | - Dennis Yan-Yin Tse
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China; (J.B.); (Y.-H.S.); (D.Y.-Y.T.); (C.-H.T.); (C.S.-Y.L.); (K.-K.L.)
- Centre for Eye and Vision Research (CEVR), 17W Hong Kong Science Park, Hong Kong, China
| | - Chi-Ho To
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China; (J.B.); (Y.-H.S.); (D.Y.-Y.T.); (C.-H.T.); (C.S.-Y.L.); (K.-K.L.)
- Centre for Eye and Vision Research (CEVR), 17W Hong Kong Science Park, Hong Kong, China
| | - Sally A. McFadden
- School of Psychology, College of Engineering, Science and the Environment, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Carly Siu-Yin Lam
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China; (J.B.); (Y.-H.S.); (D.Y.-Y.T.); (C.-H.T.); (C.S.-Y.L.); (K.-K.L.)
- Centre for Eye and Vision Research (CEVR), 17W Hong Kong Science Park, Hong Kong, China
| | - King-Kit Li
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China; (J.B.); (Y.-H.S.); (D.Y.-Y.T.); (C.-H.T.); (C.S.-Y.L.); (K.-K.L.)
| | - Thomas Chuen Lam
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China; (J.B.); (Y.-H.S.); (D.Y.-Y.T.); (C.-H.T.); (C.S.-Y.L.); (K.-K.L.)
- Centre for Eye and Vision Research (CEVR), 17W Hong Kong Science Park, Hong Kong, China
- Shenzhen Research Institute, The Hong Kong Polytechnic University, Shenzhen 518052, China
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Jong M, Jonas JB, Wolffsohn JS, Berntsen DA, Cho P, Clarkson-Townsend D, Flitcroft DI, Gifford KL, Haarman AEG, Pardue MT, Richdale K, Sankaridurg P, Tedja MS, Wildsoet CF, Bailey-Wilson JE, Guggenheim JA, Hammond CJ, Kaprio J, MacGregor S, Mackey DA, Musolf AM, Klaver CCW, Verhoeven VJM, Vitart V, Smith EL. IMI 2021 Yearly Digest. Invest Ophthalmol Vis Sci 2021; 62:7. [PMID: 33909031 PMCID: PMC8088231 DOI: 10.1167/iovs.62.5.7] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 01/24/2021] [Indexed: 12/17/2022] Open
Abstract
Purpose The International Myopia Institute (IMI) Yearly Digest highlights new research considered to be of importance since the publication of the first series of IMI white papers. Methods A literature search was conducted for articles on myopia between 2019 and mid-2020 to inform definitions and classifications, experimental models, genetics, interventions, clinical trials, and clinical management. Conference abstracts from key meetings in the same period were also considered. Results One thousand articles on myopia have been published between 2019 and mid-2020. Key advances include the use of the definition of premyopia in studies currently under way to test interventions in myopia, new definitions in the field of pathologic myopia, the role of new pharmacologic treatments in experimental models such as intraocular pressure-lowering latanoprost, a large meta-analysis of refractive error identifying 336 new genetic loci, new clinical interventions such as the defocus incorporated multisegment spectacles and combination therapy with low-dose atropine and orthokeratology (OK), normative standards in refractive error, the ethical dilemma of a placebo control group when myopia control treatments are established, reporting the physical metric of myopia reduction versus a percentage reduction, comparison of the risk of pediatric OK wear with risk of vision impairment in myopia, the justification of preventing myopic and axial length increase versus quality of life, and future vision loss. Conclusions Large amounts of research in myopia have been published since the IMI 2019 white papers were released. The yearly digest serves to highlight the latest research and advances in myopia.
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Affiliation(s)
- Monica Jong
- Discipline of Optometry and Vision Science, University of Canberra, Canberra, Australian Capital Territory, Australia
- Brien Holden Vision Institute, Sydney, New South Wales, Australia
- School of Optometry and Vision Science, School of Optometry and Vision Science, University of New South Wales, Sydney, New South Wales, Australia
| | - Jost B. Jonas
- Department of Ophthalmology Medical Faculty Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | - James S. Wolffsohn
- Optometry and Vision Science Research Group, Aston University, Birmingham, United Kingdom
| | - David A. Berntsen
- The Ocular Surface Institute, College of Optometry, University of Houston, Houston, Texas, United States
| | - Pauline Cho
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Danielle Clarkson-Townsend
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, Georgia, United States
- Gangarosa Department of Environmental Health, Emory University, Atlanta, Georgia, United States
| | - Daniel I. Flitcroft
- Department of Ophthalmology, Children's University Hospital, Dublin, Ireland
| | - Kate L. Gifford
- Myopia Profile Pty Ltd, Brisbane, Queensland, Australia
- Queensland University of Technology (QUT) School of Optometry and Vision Science, Kelvin Grove, Queensland, Australia
| | - Annechien E. G. Haarman
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Machelle T. Pardue
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, Georgia, United States
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, United States
| | - Kathryn Richdale
- College of Optometry, University of Houston, Houston, Texas, United States
| | - Padmaja Sankaridurg
- Brien Holden Vision Institute, Sydney, New South Wales, Australia
- School of Optometry and Vision Science, School of Optometry and Vision Science, University of New South Wales, Sydney, New South Wales, Australia
| | - Milly S. Tedja
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
| | | | - Joan E. Bailey-Wilson
- Computational and Statistical Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Baltimore, Maryland, United States
| | - Jeremy A. Guggenheim
- School of Optometry and Vision Sciences, Cardiff University, Cardiff, United Kingdom
| | - Christopher J. Hammond
- Section of Academic Ophthalmology, School of Life Course Sciences, King's College London, London, United Kingdom
| | - Jaakko Kaprio
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland
| | - Stuart MacGregor
- Statistical Genetics, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - David A. Mackey
- Centre for Eye Research Australia, Ophthalmology, Department of Surgery, University of Melbourne, Royal Victorian Eye and Ear Hospital, Melbourne, Victoria, Australia
- Department of Ophthalmology, Menzies Institute of Medical Research, University of Tasmania, Hobart, Tasmania, Australia
- Centre for Ophthalmology and Visual Science, Lions Eye Institute, University of Western Australia, Perth, Western Australia, Australia
| | - Anthony M. Musolf
- Computational and Statistical Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Baltimore, Maryland, United States
| | - Caroline C. W. Klaver
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Ophthalmology, Radboud University Medical Center, Nijmegen, the Netherlands
- Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
- Institute of Molecular and Clinical Ophthalmology, Basel, Switzerland
| | - Virginie J. M. Verhoeven
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Veronique Vitart
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Earl L. Smith
- College of Optometry, University of Houston, Houston, Texas, United States
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8
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Hammid A, Fallon JK, Lassila T, Salluce G, Smith PC, Tolonen A, Sauer A, Urtti A, Honkakoski P. Carboxylesterase Activities and Protein Expression in Rabbit and Pig Ocular Tissues. Mol Pharm 2021; 18:1305-1316. [PMID: 33595329 PMCID: PMC8023712 DOI: 10.1021/acs.molpharmaceut.0c01154] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/08/2021] [Accepted: 02/08/2021] [Indexed: 12/12/2022]
Abstract
Hydrolytic reactions constitute an important pathway of drug metabolism and a significant route of prodrug activation. Many ophthalmic drugs and prodrugs contain ester groups that greatly enhance their permeation across several hydrophobic barriers in the eye before the drugs are either metabolized or released, respectively, via hydrolysis. Thus, the development of ophthalmic drug therapy requires the thorough profiling of substrate specificities, activities, and expression levels of ocular esterases. However, such information is scant in the literature, especially for preclinical species often used in ophthalmology such as rabbits and pigs. Therefore, our aim was to generate systematic information on the activity and expression of carboxylesterases (CESs) and arylacetamide deacetylase (AADAC) in seven ocular tissue homogenates from these two species. The hydrolytic activities were measured using a generic esterase substrate (4-nitrophenyl acetate) and, in the absence of validated substrates for rabbit and pig enzymes, with selective substrates established for human CES1, CES2, and AADAC (d-luciferin methyl ester, fluorescein diacetate, procaine, and phenacetin). Kinetics and inhibition studies were conducted using these substrates and, again due to a lack of validated rabbit and pig CES inhibitors, with known inhibitors for the human enzymes. Protein expression levels were measured using quantitative targeted proteomics. Rabbit ocular tissues showed significant variability in the expression of CES1 (higher in cornea, lower in conjunctiva) and CES2 (higher in conjunctiva, lower in cornea) and a poor correlation of CES expression with hydrolytic activities. In contrast, pig tissues appear to express only CES1, and CES3 and AADAC seem to be either low or absent, respectively, in both species. The current study revealed remarkable species and tissue differences in ocular hydrolytic enzymes that can be taken into account in the design of esterase-dependent prodrugs and drug conjugates, the evaluation of ocular effects of systemic drugs, and in translational and toxicity studies.
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Affiliation(s)
- Anam Hammid
- School
of Pharmacy, University of Eastern Finland, Yliopistonranta 1 C, 70210 Kuopio, Finland
| | - John K. Fallon
- Division
of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School
of Pharmacy, University of North Carolina
at Chapel Hill, Campus Box 7355, Chapel Hill, North Carolina 27599-7355, United States
| | | | - Giulia Salluce
- Centro
Singular de Investigación en Química Biolóxica
e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago
de Compostela, Spain
| | - Philip C. Smith
- Division
of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School
of Pharmacy, University of North Carolina
at Chapel Hill, Campus Box 7355, Chapel Hill, North Carolina 27599-7355, United States
| | - Ari Tolonen
- Admescope
Ltd, Typpitie 1, 90620 Oulu, Finland
| | - Achim Sauer
- Department
of Drug Discovery Sciences, Boehringer Ingelheim
Pharma GmbH & Co. KG, 88397 Biberach, Germany
| | - Arto Urtti
- School
of Pharmacy, University of Eastern Finland, Yliopistonranta 1 C, 70210 Kuopio, Finland
- Institute
of Chemistry, Saint Petersburg State University, Universitetskii pr. 26, 198584 Saint Petersburg, Russia
- Faculty
of Pharmacy, University of Helsinki, Viikinkaari 5 E, 00790 Helsinki, Finland
| | - Paavo Honkakoski
- School
of Pharmacy, University of Eastern Finland, Yliopistonranta 1 C, 70210 Kuopio, Finland
- Division
of Pharmacotherapy and Experimental Therapeutics, Eshelman School
of Pharmacy, University of North Carolina
at Chapel Hill, Campus Box 7569, Chapel Hill, North Carolina 27599-7569, United States
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9
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Zhu Y, Bian J, Lu D, Wang Q, Gong B, Li KK, Yu F, Cheung JKW, Ji X, Zhang H, Du B, Nian H, To CH, Wei R, Lam TC. Combined retinal proteome datasets in response to atropine treatment using iTRAQ and SWATH-MS based proteomics approaches in guinea pig myopia model. Data Brief 2020; 33:106526. [PMID: 33304948 PMCID: PMC7708793 DOI: 10.1016/j.dib.2020.106526] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 11/09/2020] [Accepted: 11/09/2020] [Indexed: 11/26/2022] Open
Abstract
Atropine, a non-selective muscarinic antagonist, is known to slow down myopia progression in human adolescents and in several animal models. However, its underlying molecular mechanism is unclear. The present work built a monocular form-deprivation myopia (FDM) guinea pig model, using facemasks as well as atropine treatment on FDM eyes for 2 and 4 weeks. Retinal protein changes in response to the FDM and effects of topical administration of atropine were screened for the two periods using fractionated isobaric tags for a relative and absolute quantification (iTRAQ) approach coupled with nano-liquid chromatography-tandem mass spectrometry (nano-LC-MS/MS) (n=24, 48 eyes). Retinal tissues from another cohort receiving 4-weeks FDM with atropine treatment (n=12, 24 eyes) with more significant changes were subjected to sequential window acquisition of all theoretical mass spectra (SWATH-MS) proteomics for further protein target confirmation. A total of 1695 proteins (8875 peptides) and 5961 proteins (51871 peptides) were identified using iTRAQ and SWATH approaches, respectively. Using the Paragon algorithm in the ProteinPilotTM software, the three most significantly up-regulated and down-regulated proteins that were commonly found in both ITRAQ and SWATH experiments are presented. All raw data generated from the work were submitted and published in the Peptide Atlas public repository (http://www.peptideatlas.org/) for general release (Data ID PASS01507).
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Affiliation(s)
- Ying Zhu
- Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Jingfang Bian
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Daqian Lu
- Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Qiong Wang
- Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Boteng Gong
- Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - King-Kit Li
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Fengjuan Yu
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Jimmy Ka-Wai Cheung
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Xiaowen Ji
- Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Hongmei Zhang
- Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Bei Du
- Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Hong Nian
- Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Chi-Ho To
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Ruihua Wei
- Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Thomas Chuen Lam
- Centre for Myopia Research, School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, China
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10
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Abstract
Myopia is a globally emerging issue, with multiple medical and socio-economic burdens and no well-established causal treatment thus far. A better insight into altered biochemical pathways and underlying pathogenesis might facilitate early diagnosis and treatment of myopia, ultimately leading to the development of more effective preventive and therapeutic measures. In this review, we summarize current data about the metabolomics and proteomics of myopia in humans and present various experimental approaches and animal models, along with their strengths and weaknesses. We also discuss the potential applicability of these findings to medical practice and suggest directions for future research.
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11
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Shan SW, Do CW, Lam TC, Li HL, Daniel Stamer W, To CH. Data on differentially expressed proteins in rock inhibitor-treated human trabecular meshwork cells using SWATH-based proteomics. Data Brief 2020; 31:105846. [PMID: 32613038 PMCID: PMC7322233 DOI: 10.1016/j.dib.2020.105846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 06/03/2020] [Accepted: 06/04/2020] [Indexed: 11/06/2022] Open
Abstract
Rho-associated coiled coil-forming protein kinase (ROCK) inhibitors represent a novel class of anti-glaucoma drugs because of their ocular hypotensive effects. However, the underlying mechanisms responsible for lowering intraocular pressure (IOP) are not completely clear. The protein profile changes in primary human trabecular meshwork (TM) cells after two days treatment with a ROCK inhibitor were studied using label-free SWATH acquisition. These results provided significant data of key protein candidates underlying the effect of ROCK inhibitor. Using the sensitive label-free mass spectrometry approach with data-independent acquisition (SWATH-MS), we established a comprehensive TM proteome library. All raw data generated from IDA and SWATH acquisitions were uploaded and published in the Peptide Atlas public repository (http://www.peptideatlas.org/) for general release (Data ID PASS01254).
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Affiliation(s)
- Sze-Wan Shan
- Laboratory of Experimental Optometry, Centre for Myopia Research, School of Optometry, the Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Chi-Wai Do
- Laboratory of Experimental Optometry, Centre for Myopia Research, School of Optometry, the Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Thomas Chuen Lam
- Laboratory of Experimental Optometry, Centre for Myopia Research, School of Optometry, the Hong Kong Polytechnic University, Kowloon, Hong Kong, China.,The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, China
| | - Hoi-Lam Li
- Laboratory of Experimental Optometry, Centre for Myopia Research, School of Optometry, the Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - W Daniel Stamer
- Department of Ophthalmology, Duke University, Durham, NC, United States.,Department of Biomedical Engineering, Duke University,Durham, NC, United States
| | - Chi-Ho To
- Laboratory of Experimental Optometry, Centre for Myopia Research, School of Optometry, the Hong Kong Polytechnic University, Kowloon, Hong Kong, China
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12
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Hou L, Guan S, Jin Y, Sun W, Wang Q, Du Y, Zhang R. Cell metabolomics to study the cytotoxicity of carbon black nanoparticles on A549 cells using UHPLC-Q/TOF-MS and multivariate data analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 698:134122. [PMID: 31505349 DOI: 10.1016/j.scitotenv.2019.134122] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 07/30/2019] [Accepted: 08/25/2019] [Indexed: 06/10/2023]
Abstract
Carbon black nanoparticles (CBNPs) are core component of fine particulate matter (PM2.5) in the atmosphere. It was reported that the particle in the atmosphere with smaller size and the larger the specific surface area are easier to reach the deep respiratory tract or even the alveoli through the respiratory barrier and cause lung injury. Therefore, it has been believed that ultrafine or nanometer particles with more toxic than those with larger particle sizes. Moreover, it was confirmed that CBNPs could induce inflammation, oxidative stress and changes in cell signaling and gene expression in mammalian cells and organs. However, the cytotoxicity mechanism of them has been uncertain so far. The aim of the present study was to explore the underlying mechanism of cytotoxicity induced by CBNPs on A549 cells. In the current research, the viabilities of A549 cells were detected by Cell Counting Kit-8 (CCK-8) assay. The further metabolomics studies were conducted to detect the cytotoxic effect of CBNPs on A549 cells with an IC50 value of 70 μg/mL for 48 h. Potential differential compounds were identified and quantified using a novel on-line acquisition method based on ultra-liquid chromatography quadrupole time-of-flight mass spectrometry(UHPLC-Q-TOF/MS). The cytotoxicity mechanism of CBNPs on A549 cells was evaluated by multivariate data analysis and statistics. As a result, a total of 32 differential compounds were identified between CBNPs exposure and control groups. In addition, pathway analysis showed the metabolic changes were involved in the tricarboxylic acid (TCA) cycle, alanine, aspartate and glutamate metabolism, histidine metabolism and so on. It is also suggested that CBNPs may induce cytotoxicity by affecting the normal process of energy metabolism and disturbing several vital signaling pathways and finally induce cell apoptosis.
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Affiliation(s)
- Ludan Hou
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China
| | - Shuai Guan
- The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, PR China
| | - Yiran Jin
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China; The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, PR China
| | - Wenjing Sun
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China
| | - Qiao Wang
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China
| | - Yingfeng Du
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China.
| | - Rong Zhang
- Department of Occupational and Environmental Health, The School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, PR China
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13
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Palmowski P, Watson R, Europe-Finner GN, Karolczak-Bayatti M, Porter A, Treumann A, Taggart MJ. The Generation of a Comprehensive Spectral Library for the Analysis of the Guinea Pig Proteome by SWATH-MS. Proteomics 2019; 19:e1900156. [PMID: 31301205 PMCID: PMC6771470 DOI: 10.1002/pmic.201900156] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 06/21/2019] [Indexed: 12/18/2022]
Abstract
Advances in liquid chromatography‐mass spectrometry have facilitated the incorporation of proteomic studies to many biology experimental workflows. Data‐independent acquisition platforms, such as sequential window acquisition of all theoretical mass spectra (SWATH‐MS), offer several advantages for label‐free quantitative assessment of complex proteomes over data‐dependent acquisition (DDA) approaches. However, SWATH data interpretation requires spectral libraries as a detailed reference resource. The guinea pig (Cavia porcellus) is an excellent experimental model for translation to many aspects of human physiology and disease, yet there is limited experimental information regarding its proteome. To overcome this knowledge gap, a comprehensive spectral library of the guinea pig proteome is generated. Homogenates and tryptic digests are prepared from 16 tissues and subjected to >200 DDA runs. Analysis of >250 000 peptide‐spectrum matches resulted in a library of 73 594 peptides from 7666 proteins. Library validation is provided by i) analyzing externally derived SWATH files (https://doi.org/10.1016/j.jprot.2018.03.023) and comparing peptide intensity quantifications; ii) merging of externally derived data to the base library. This furnishes the research community with a comprehensive proteomic resource that will facilitate future molecular‐phenotypic studies using (re‐engaging) the guinea pig as an experimental model of relevance to human biology. The spectral library and raw data are freely accessible in the MassIVE repository (MSV000083199).
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Affiliation(s)
- Pawel Palmowski
- Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, NE1 4EP, Tyne and Wear, UK
| | - Rachael Watson
- Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, NE1 4EP, Tyne and Wear, UK
| | - G Nicholas Europe-Finner
- Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, NE1 4EP, Tyne and Wear, UK
| | | | - Andrew Porter
- Newcastle University Protein and Proteomic Analysis, Newcastle University, Newcastle upon Tyne, NE2 4HH, Tyne and Wear, UK
| | - Achim Treumann
- Newcastle University Protein and Proteomic Analysis, Newcastle University, Newcastle upon Tyne, NE2 4HH, Tyne and Wear, UK
| | - Michael J Taggart
- Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, NE1 4EP, Tyne and Wear, UK
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14
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Wang R, Lou X, Feng G, Chen J, Zhu L, Liu X, Yao X, Li P, Wan J, Zhang Y, Ni C, Qin Z. IL-17A-stimulated endothelial fatty acid β-oxidation promotes tumor angiogenesis. Life Sci 2019; 229:46-56. [PMID: 31085243 DOI: 10.1016/j.lfs.2019.05.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 05/08/2019] [Accepted: 05/10/2019] [Indexed: 11/19/2022]
Abstract
AIMS Tumor growth is an angiogenesis-dependent process that requires sustained new vessel growth. Interleukin-17 (IL-17A) is a key cytokine that modulates tumor progression. However, whether IL-17A affects the metabolism of endothelial cells is unknown. MAIN METHODS A xenograft model was established by implanting H460 (human lung cancer cell line) cells transfected with IL-17A-expressing or control vector. The effects of IL-17A on sprouting and tube formation of human umbilical vein endothelial cells (HUVECs) were measured. After treatment with IL-17A, the proliferation and migration of HUVECs were examined. Liquid chromatography-mass spectrometry (LC-MS) and Seahorse were used to detect the effects of IL-17A on mitochondrial respiration and fatty acid β-oxidation (FAO) in HUVECs. Western blotting was used to examine signaling pathways. KEY FINDINGS Herein, we found that IL-17A promoted H460 tumor growth and angiogenesis in vivo and in vitro. Moreover, IL-17A stimulated angiogenesis by enhancing FAO, increasing mitochondrial respiration of endothelial cells. The AMP-activated protein kinase (AMPK) signaling pathway was activated to promote FAO. Finally, IL-17A-induced angiogenesis was blocked when FAO was inhibited using etomoxir. SIGNIFICANCE In summary, these results indicate that IL-17A stimulates angiogenesis by promoting FAO. Thus, our study might provide a new therapeutic target for angiogenic vascular disorders.
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Affiliation(s)
- Ruirui Wang
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Xiaohan Lou
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Guang Feng
- Department of Orthopedics, Zhengzhou Central Hospital, Zhengzhou, Henan Province 450052, China
| | - Jinfeng Chen
- Research Center for Clinical System Biology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Linyu Zhu
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Xiaomeng Liu
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Xiaohan Yao
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Pan Li
- Department of Pathology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Jiajia Wan
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Yi Zhang
- Biotherapy Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Chen Ni
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China.
| | - Zhihai Qin
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China; Key Laboratory of Protein and Peptide Pharmaceuticals, CAS-University of Tokyo Joint Laboratory of Structural Virology and Immunology, Institute of Biophysics, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, Beijing, 100000, China.
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