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Babu SN, Govindarajan S, Noor A. Aloe vera and its two bioactive constituents in alleviation of diabetes -proteomic & mechanistic insights. JOURNAL OF ETHNOPHARMACOLOGY 2021; 280:114445. [PMID: 34303804 DOI: 10.1016/j.jep.2021.114445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 07/14/2021] [Accepted: 07/20/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Aloe barbadensis Miller, commonly known as Aloe vera has been used since time immemorial for treatment of various diseases such as cancer, inflammatory disorders, diabetes, wound healing etc. AIM: Diabetes mellitus is a complex disorder and understanding the molecular mechanisms involved is a key to identify different markers for early diagnosis of the disease. The proteomic approach offers a plethora of opportunities to identify markers and targets involved in pathogenesis of diabetes. The present study was undertaken to understand the mechanism of action of Aloe vera and its two constituents (Carbohydrates and Polypeptides) in the alleviation of diabetes in streptozotocin-induced diabetic rats through a proteomics approach. METHODS Different groups of rats were fed with Aloe vera extract, carbohydrate fraction and peptide/polypeptide fraction for three weeks. The diabetic rats fed with Aloe vera and its two fractions restored the glucose and insulin levels to normal. The plasma of the rats was depleted with IgG and albumin and proteomic analysis was carried out. Apolipoproteins (dyslipidemia), complement factors (inflammatory pathways), zonulin (intestinal permeability), anti-oxidant related proteins were selected in this study as these are involved in the progression of diabetes. RESULTS It was observed that Aloe vera extract is involved in the alleviation of diabetes through these pathways while the carbohydrate fraction alleviates diabetes through an anti-oxidant mechanism and glucose uptake while the polypeptide fraction alleviates diabetes through the restoration of intestinal permeability by reduced zonulin levels. CONCLUSION The constituents of Aloe vera works different pathways involved in diabetes and the synergistic effect of these constituents make Aloe vera extract a prospective candidate, which can alleviate diabetes through regulation of the pathways involved in the progression of diabetes.
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Affiliation(s)
- Spoorthy N Babu
- Centre for Bio Separation Technology (CBST), Vellore Institute of Technology (VIT), Vellore-632 014, Tamil Nadu, India
| | - S Govindarajan
- Centre for Bio Separation Technology (CBST), Vellore Institute of Technology (VIT), Vellore-632 014, Tamil Nadu, India
| | - Ayesha Noor
- Centre for Bio Separation Technology (CBST), Vellore Institute of Technology (VIT), Vellore-632 014, Tamil Nadu, India.
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Ludwig-Słomczyńska AH, Seweryn MT, Kapusta P, Pitera E, Mantaj U, Cyganek K, Gutaj P, Dobrucka Ł, Wender-Ożegowska E, Małecki MT, Wołkow PP. The transcriptome-wide association search for genes and genetic variants which associate with BMI and gestational weight gain in women with type 1 diabetes. Mol Med 2021; 27:6. [PMID: 33472578 PMCID: PMC7818927 DOI: 10.1186/s10020-020-00266-z] [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: 09/07/2020] [Accepted: 12/30/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Clinical data suggest that BMI and gestational weight gain (GWG) are strongly interconnected phenotypes; however, the genetic basis of the latter is rather unclear. Here we aim to find genes and genetic variants which influence BMI and/or GWG. METHODS We have genotyped 316 type 1 diabetics using Illumina Infinium Omni Express Exome-8 v1.4 arrays. The GIANT, ARIC and T2D-GENES summary statistics were used for TWAS (performed with PrediXcan) in adipose tissue. Next, the analysis of association of imputed expression with BMI in the general and diabetic cohorts (Analysis 1 and 2) or GWG (Analysis 3 and 4) was performed, followed by variant association analysis (1 Mb around identified loci) with the mentioned phenotypes. RESULTS In Analysis 1 we have found 175 BMI associated genes and 19 variants (p < 10-4) which influenced GWG, with the strongest association for rs11465293 in CCL24 (p = 3.18E-06). Analysis 2, with diabetes included in the model, led to discovery of 1812 BMI associated loci and 207 variants (p < 10-4) influencing GWG, with the strongest association for rs9690213 in PODXL (p = 9.86E-07). In Analysis 3, among 648 GWG associated loci, 2091 variants were associated with BMI (FDR < 0.05). In Analysis 4, 7 variants in GWG associated loci influenced BMI in the ARIC cohort. CONCLUSIONS Here, we have shown that loci influencing BMI might have an impact on GWG and GWG associated loci might influence BMI, both in the general and T1DM cohorts. The results suggest that both phenotypes are related to insulin signaling, glucose homeostasis, mitochondrial metabolism, ubiquitinoylation and inflammatory responses.
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Affiliation(s)
| | - Michał T Seweryn
- Center for Medical Genomics OMICRON, Jagiellonian University Medical College, Kraków, Poland
- Department of Cancer Biology and Genetics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Przemysław Kapusta
- Center for Medical Genomics OMICRON, Jagiellonian University Medical College, Kraków, Poland
| | - Ewelina Pitera
- Center for Medical Genomics OMICRON, Jagiellonian University Medical College, Kraków, Poland
| | - Urszula Mantaj
- Department of Reproduction, Poznan University of Medical Sciences, Poznan, Poland
| | - Katarzyna Cyganek
- Department of Metabolic Diseases, University Hospital Kraków, Kraków, Poland
- Department of Metabolic Diseases, Jagiellonian University Medical College, Kraków, Poland
| | - Paweł Gutaj
- Department of Reproduction, Poznan University of Medical Sciences, Poznan, Poland
| | - Łucja Dobrucka
- Department of Metabolic Diseases, University Hospital Kraków, Kraków, Poland
| | - Ewa Wender-Ożegowska
- Department of Reproduction, Poznan University of Medical Sciences, Poznan, Poland
| | - Maciej T Małecki
- Department of Metabolic Diseases, University Hospital Kraków, Kraków, Poland
- Department of Metabolic Diseases, Jagiellonian University Medical College, Kraków, Poland
| | - Paweł P Wołkow
- Center for Medical Genomics OMICRON, Jagiellonian University Medical College, Kraków, Poland.
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The Serum and Saliva Proteome of Dogs with Diabetes Mellitus. Animals (Basel) 2020; 10:ani10122261. [PMID: 33271797 PMCID: PMC7760505 DOI: 10.3390/ani10122261] [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: 10/26/2020] [Revised: 11/20/2020] [Accepted: 11/25/2020] [Indexed: 01/11/2023] Open
Abstract
This study aims to evaluate the changes in salivary and serum proteomes that occur in canine diabetes mellitus type-1 (DM) through a high-throughput quantitative proteomic analysis. The proteomes of 10 paired serum and saliva samples from healthy controls (HC group, n = 5) and dogs with untreated DM (DM group, n = 5) were analyzed using Tandem Mass Tags (TMT)-based proteomic approach. Additionally, 24 serum samples from healthy controls and untreated DM were used to validate haptoglobin in serum. The TMT analysis quantified 767 and 389 proteins in saliva and serum, respectively. Of those, 16 unique proteins in serum and 26 in saliva were differently represented between DM and HC groups. The verification of haptoglobin in serum was in concordance with the proteomic data. Our results pointed out changes in both saliva and serum proteomes that reflect different physiopathological changes in dogs with DM. Although some of the proteins identified here, such as malate dehydrogenase or glyceraldehyde-3-phosphate dehydrogenase, were previously related with DM in dogs, most of the proteins modulated in serum and saliva are described in canine DM for the first time and could be a source of potential biomarkers of the disease. Additionally, the molecular function, biological process, pathways and protein class of the differential proteins were revealed, which could improve the understanding of the disease's pathological mechanisms.
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Perumal N, Straßburger L, Herzog DP, Müller MB, Pfeiffer N, Grus FH, Manicam C. Bioenergetic shift and actin cytoskeleton remodelling as acute vascular adaptive mechanisms to angiotensin II in murine retina and ophthalmic artery. Redox Biol 2020; 34:101597. [PMID: 32513477 PMCID: PMC7327981 DOI: 10.1016/j.redox.2020.101597] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/22/2020] [Accepted: 05/25/2020] [Indexed: 12/17/2022] Open
Abstract
Ocular vascular dysfunction is a major contributing factor to the pathogenesis of glaucoma. In recent years, there has been a renewed interest in the role of angiotensin II (Ang II) in mediating the disease progression. Despite its (patho)physiological importance, the molecular mechanisms underlying Ang II-mediated oxidative stress remain largely unexplored in the ocular vasculature. Here, we provide the first direct evidence of the alterations of proteome and signalling pathways underlying Ang II-elicited oxidative insult independent of arterial pressure changes in the ophthalmic artery (OA) and retina (R) employing an in vitro experimental model. Both R and OA were isolated from male C57Bl/6J mice (n = 15/group; n = 5/biological replicate) and incubated overnight in medium containing either vehicle or Ang II (0.1 μM) at physiological conditions. Label-free quantitative mass spectrometry (MS)-based proteomics analysis identified a differential expression of 107 and 34 proteins in the R and OA, respectively. Statistical and bioinformatics analyses revealed that protein clusters involved in actin cytoskeleton and integrin-linked kinase signalling were significantly activated in the OA. Conversely, a large majority of differentially expressed retinal proteins were involved in dysregulation of numerous energy-producing and metabolic signalling pathways, hinting to a possible shift in retinal cell bioenergetics. Particularly, Ang II-mediated downregulation of septin-7 (Sept7; p < 0.01) and superoxide dismutase [Cu-Zn] (Sod1; p < 0.05), and upregulation of troponin T, fast skeletal muscle (Tnnt3; p < 0.05) and tropomyosin alpha-3 chain (Tpm3; p < 0.01) in the OA, and significant decreased expressions of two crystallin proteins (Cryab; p < 0.05 and Crybb2; p < 0.0001) in the R were verified at the mRNA level, corroborating our proteomics findings. In summary, these results demonstrated that exogenous application of Ang II over an acute time period caused impairment of retinal bioenergetics and cellular demise, and actin cytoskeleton-mediated vascular remodelling in the OA. Acute Ang II stimulation elicits oxidative stress in ocular vasculature without pressor effect. . Dysregulation of energy-producing and metabolic pathways are implicated in the retina. . Actin cytoskeleton remodelling are vascular adaptation processes in the ophthalmic artery. .
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Affiliation(s)
- Natarajan Perumal
- Department of Ophthalmology, University Medical Centre of the Johannes Gutenberg University Mainz, Mainz, Germany.
| | - Lars Straßburger
- Department of Ophthalmology, University Medical Centre of the Johannes Gutenberg University Mainz, Mainz, Germany.
| | - David P Herzog
- Department of Psychiatry and Psychotherapy & Focus Program Translational Neurosciences (FTN), University Medical Centre of the Johannes Gutenberg University Mainz, Mainz, Germany.
| | - Marianne B Müller
- Department of Psychiatry and Psychotherapy & Focus Program Translational Neurosciences (FTN), University Medical Centre of the Johannes Gutenberg University Mainz, Mainz, Germany.
| | - Norbert Pfeiffer
- Department of Ophthalmology, University Medical Centre of the Johannes Gutenberg University Mainz, Mainz, Germany.
| | - Franz H Grus
- Department of Ophthalmology, University Medical Centre of the Johannes Gutenberg University Mainz, Mainz, Germany.
| | - Caroline Manicam
- Department of Ophthalmology, University Medical Centre of the Johannes Gutenberg University Mainz, Mainz, Germany.
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Takematsu E, Spencer A, Auster J, Chen PC, Graham A, Martin P, Baker AB. Genome wide analysis of gene expression changes in skin from patients with type 2 diabetes. PLoS One 2020; 15:e0225267. [PMID: 32084158 PMCID: PMC7034863 DOI: 10.1371/journal.pone.0225267] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 10/31/2019] [Indexed: 12/15/2022] Open
Abstract
Non-healing chronic ulcers are a serious complication of diabetes and are a major healthcare problem. While a host of treatments have been explored to heal or prevent these ulcers from forming, these treatments have not been found to be consistently effective in clinical trials. An understanding of the changes in gene expression in the skin of diabetic patients may provide insight into the processes and mechanisms that precede the formation of non-healing ulcers. In this study, we investigated genome wide changes in gene expression in skin between patients with type 2 diabetes and non-diabetic patients using next generation sequencing. We compared the gene expression in skin samples taken from 27 patients (13 with type 2 diabetes and 14 non-diabetic). This information may be useful in identifying the causal factors and potential therapeutic targets for the prevention and treatment of diabetic related diseases.
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Affiliation(s)
- Eri Takematsu
- University of Texas at Austin, Department of Biomedical Engineering, Austin, TX
| | - Adrianne Spencer
- University of Texas at Austin, Department of Biomedical Engineering, Austin, TX
| | - Jeff Auster
- University of Texas at Austin, Department of Biomedical Engineering, Austin, TX
| | - Po-Chih Chen
- University of Texas at Austin, Department of Biomedical Engineering, Austin, TX
| | - Annette Graham
- Department of Biological and Biomedical Sciences, School of Health and Life Sciences, Glasgow Caledonian University, Scotland, United Kingdom
| | - Patricia Martin
- Department of Biological and Biomedical Sciences, School of Health and Life Sciences, Glasgow Caledonian University, Scotland, United Kingdom
| | - Aaron B. Baker
- University of Texas at Austin, Department of Biomedical Engineering, Austin, TX
- Institute for Cellular and Molecular Biology, University of Texas at Austin, Austin, TX
- The Institute for Computational Engineering and Sciences, University of Texas at Austin, Austin, TX
- Institute for Biomaterials, Drug Delivery and Regenerative Medicine, University of Texas at Austin, Austin, TX
- * E-mail:
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Kong X, Zhang L, Lu X, Zhang C, Hua Y, Chen Y. Effect of high-speed shearing treatment on dehulled walnut proteins. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.108500] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Ou L, Li X, Chen B, Ge Z, Zhang J, Zhang Y, Cai G, Li Z, Wang P, Dong W. Recombinant Human Cytoglobin Prevents Atherosclerosis by Regulating Lipid Metabolism and Oxidative Stress. J Cardiovasc Pharmacol Ther 2017; 23:162-173. [PMID: 28954528 DOI: 10.1177/1074248417724870] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Lingling Ou
- The First Affiliated Hospital of Jinan University, Guangzhou, China
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Xin Li
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
- Department of Medical Research, General Hospital of Guangzhou Military Command of PLA, Guangzhou, China
| | - Baihong Chen
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Zhenhuang Ge
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Junyi Zhang
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Ye Zhang
- The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Gaotai Cai
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Zhen Li
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Ping Wang
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Wenqi Dong
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
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Braga CP, Boone CHT, Grove RA, Adamcova D, Fernandes AAH, Adamec J, de Magalhães Padilha P. Liver Proteome in Diabetes Type 1 Rat Model: Insulin-Dependent and -Independent Changes. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2016; 20:711-726. [PMID: 27849439 DOI: 10.1089/omi.2016.0135] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Diabetes mellitus type 1 (DM1) is a major public health problem that continues to burden the healthcare systems worldwide, costing exponentially more as the epidemic grows. Innovative strategies and omics system diagnostics for earlier diagnosis or prognostication of DM1 are essential to prevent secondary complications and alleviate the associated economic burden. In a preclinical study design that involved streptozotocin (STZ)-induced DM1, insulin-treated STZ-induced DM1, and control rats, we characterized the insulin-dependent and -independent changes in protein profiles in liver samples. Digested proteins were subjected to LC-MSE for proteomic data. Progenesis QI data processing and analysis of variance were utilized for statistical analyses. We found 305 proteins with significantly altered abundance among the control, DM1, and insulin-treated DM1 groups (p < 0.05). These differentially regulated proteins were related to enzymes that function in key metabolic pathways and stress responses. For example, gluconeogenesis appeared to return to control levels in the DM1 group after insulin treatment, with the restoration of gluconeogenesis regulatory enzyme, FBP1. Insulin administration to DM1 rats also restored the blood glucose levels and enzymes of general stress and antioxidant response systems. These observations are crucial for insights on DM1 pathophysiology and new molecular targets for future clinical biomarkers, drug discovery, and development. Additionally, we underscore that proteomics offers much potential in preclinical biomarker discovery for diabetes as well as common complex diseases such as cancer, dementia, and infectious disorders.
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Affiliation(s)
- Camila Pereira Braga
- 1 Department of Chemistry and Biochemistry, Institute of Bioscience, São Paulo State University , Botucatu, Brazil .,2 Redox Biology Center, Department of Biochemistry, University of Nebraska-Lincoln , Lincoln, NE, USA
| | - Cory H T Boone
- 2 Redox Biology Center, Department of Biochemistry, University of Nebraska-Lincoln , Lincoln, NE, USA
| | - Ryan A Grove
- 2 Redox Biology Center, Department of Biochemistry, University of Nebraska-Lincoln , Lincoln, NE, USA
| | - Dana Adamcova
- 2 Redox Biology Center, Department of Biochemistry, University of Nebraska-Lincoln , Lincoln, NE, USA
| | | | - Jiri Adamec
- 2 Redox Biology Center, Department of Biochemistry, University of Nebraska-Lincoln , Lincoln, NE, USA
| | - Pedro de Magalhães Padilha
- 1 Department of Chemistry and Biochemistry, Institute of Bioscience, São Paulo State University , Botucatu, Brazil
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Ilavenil S, Al-Dhabi NA, Srigopalram S, Kim YO, Agastian P, Baaru R, Choi KC, Arasu MV, Park CG, Park KH. Removal of SDS from biological protein digests for proteomic analysis by mass spectrometry. Proteome Sci 2016; 14:11. [PMID: 27601941 PMCID: PMC5012027 DOI: 10.1186/s12953-016-0098-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Accepted: 08/04/2016] [Indexed: 11/15/2022] Open
Abstract
Background Metal-organic frameworks (MOFs - MIL-101) are the most exciting, high profiled developments in nanotechnology in the last ten years, and it attracted considerable attention owing to their uniform nanoporosity, large surface area, outer-surface modification and in-pore functionality for tailoring the chemical properties of the material for anchoring specific guest moieties. MOF’s have been particularly highlighted for their excellent gas storage and separation properties. Recently biomolecules-based MOF’s were used as nanoencapsulators for antitumor and antiretroviral controlled drug delivery studies. However, usage of MOF material for removal of ionic detergent-SDS from biological samples has not been reported to date. Here, first time we demonstrate its novel applications in biological sample preparation for mass spectrometry analysis. Methods SDS removal using MIL-101 was assessed for proteomic analysis by mass spectrometry. We analysed removal of SDS from 0.5 % SDS solution alone, BSA mixture and HMEC cells lysate protein mixture. The removal of SDS by MIL-101 was confirmed by MALDI-TOF-MS and LC-MS techniques. Results In an initial demonstration, SDS has removed effectively from 0.5 % SDS solution by MIL-101via its binding attraction with SDS. Further, the experiment also confirmed that MIL-101 strongly removed the SDS from BSA and cell lysate mixtures. Conclusions These results suggest that SDS removal by the MIL-101 method is a practical, simple and broad applicable in proteomic sample processing for MALDI-TOF-MS and LC-MS analysis.
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Affiliation(s)
- Soundharrajan Ilavenil
- Grassland and Forage Division, National Institute of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam, 330801 Korea
| | - Naif Abdullah Al-Dhabi
- Department of Botany and Microbiology, Addiriyah Chair for Environmental Studies, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451 Saudi Arabia
| | - Srisesharam Srigopalram
- Grassland and Forage Division, National Institute of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam, 330801 Korea
| | - Young Ock Kim
- Department of Medicinal Crop Research, Rural Development Administration, Eumseong, Chungbuk, 369-873 Republic of Korea
| | - Paul Agastian
- Research Department of Plant Biology and Biotechnology, Loyola College, Nungambakkam, Chennai-34, Tamil Nadu India
| | | | - Ki Choon Choi
- Grassland and Forage Division, National Institute of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam, 330801 Korea
| | - Mariadhas Valan Arasu
- Department of Botany and Microbiology, Addiriyah Chair for Environmental Studies, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451 Saudi Arabia
| | - Chun Geon Park
- Department of Medicinal Crop Research, Rural Development Administration, Eumseong, Chungbuk, 369-873 Republic of Korea
| | - Kyung Hun Park
- Department of Medicinal Crop Research, Rural Development Administration, Eumseong, Chungbuk, 369-873 Republic of Korea
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Ilavenil S, Karthik D, Arasu MV, Vijayakumar M, Srigopalram S, Arokiyaraj S, Ravikumar S, Choi KC. Hepatoprotective mechanism of lycorine against carbon tetrachloride induced toxicity in swiss albino mice – A proteomic approach. ASIAN PACIFIC JOURNAL OF REPRODUCTION 2015. [DOI: 10.1016/s2305-0500(15)30008-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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High abundant protein removal from rodent blood for biomarker discovery. Biochem Biophys Res Commun 2015; 455:84-9. [PMID: 25445603 DOI: 10.1016/j.bbrc.2014.09.137] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Accepted: 09/15/2014] [Indexed: 12/17/2022]
Abstract
In order to realize the goal of stratified and/or personalized medicine in the clinic, significant advances in the field of biomarker discovery are necessary. Adding to the abundance of nucleic acid biomarkers being characterized, additional protein biomarkers will be needed to satisfy diverse clinical needs. An appropriate source for finding these biomarkers is within blood, as it contains tissue leakage factors as well as additional proteins that reside in blood that can be linked to the presence of disease. Unfortunately, high abundant proteins and complexity of the blood proteome present significant challenges for the discovery of protein biomarkers from blood. Animal models often enable the discovery of biomarkers that can later be translated to humans. Therefore, determining appropriate sample preparation of proteomic samples in rodent models is an important research goal. Here, we examined both mouse and rat blood samples (including both serum and plasma), for appropriate high abundant protein removal techniques for subsequent gel-based proteomic experiments. We assessed four methods of albumin removal: antibody-based affinity chromatography (MARS), Cibacron® Blue-based affinity depletion (SwellGel® Blue Albumin Removal Kit), protein-based affinity depletion (ProteaPrep Albumin Depletion Kit) and TCA/acetone precipitation. Albumin removal was quantified for each method and SDS-PAGE and 2-DE gels were used to quantify the number of protein spots obtained following albumin removal. Our results suggest that while all four approaches can effectively remove high abundant proteins, antibody-based affinity chromatography is superior to the other three methods.
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Serum proteomics in biomedical research: a systematic review. Appl Biochem Biotechnol 2013; 170:774-86. [PMID: 23609910 DOI: 10.1007/s12010-013-0238-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2012] [Accepted: 04/11/2013] [Indexed: 12/22/2022]
Abstract
Proteins that are important indicators of physiological or pathological states may contribute to the early diagnosis of disease, which may provide a basis for identifying the underlying mechanism of disease development. Serum, contains an abundance of proteins, offers an easy and inexpensive approach for disease detection and possesses a high potential to revolutionize the diagnostics. These differentially expressed proteins in serum have become an important role to monitoring the state for disease. Availability of emerging proteomic techniques gives optimism that serum can eventually be placed as a biomedium for clinical diagnostics. Advancements have benefited biomarker research to the point where serum is now recognized as an excellent diagnostic medium for the detection of disease. Comprehensive proteome of human serum fluid with high accuracy and availability has the potential to open new doors for disease biomarker discovery and for disease diagnostics, providing insights useful for future study. Thus, this review presents an overview of the value of serum as a credible diagnostic tool, and we aim to summarize the proteomic technologies currently used for global analysis of serum proteins and to elaborate on the application of serum proteomics to the discovery of disease biomarkers, and discuss some of the critical challenges and perspectives for this emerging field.
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Sundari K, Karthik D, Ilavenil S, Kaleeswaran B, Srigopalram S, Ravikumar S. Hepatoprotective and proteomic mechanism of Sphaeranthus indicus in paracetamol induced hepatotoxicity in wistar rats. FOOD BIOSCI 2013. [DOI: 10.1016/j.fbio.2013.03.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Zhang A, Sun H, Sun W, Ye Y, Wang X. Proteomic identification network analysis of haptoglobin as a key regulator associated with liver fibrosis. Appl Biochem Biotechnol 2012; 169:832-46. [PMID: 23274719 DOI: 10.1007/s12010-012-0001-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2012] [Accepted: 11/29/2012] [Indexed: 02/03/2023]
Abstract
Liver fibrosis (LF) is the final stage of liver dysfunction, characterized by diffuse fibrosis which is the main response to the liver injury. Haptoglobin (HP) protein, produced as an acute phase reactant during LF, preventing liver damage, may be potential molecular targets for early LF diagnostics and therapeutic applications. However, protein networks associated with the HP are largely unknown. To address this issue, we used a pathological mouse model of LF that was induced by treatment with carbon tetrachloride for 8 days. HP protein was separated and identified by two-dimensional gel electrophoresis and matrix-assisted laser desorption/ionization time-of-flight/time-of-flight mass spectrometry. HP protein was subjected to functional pathway analysis using STRING and Cytoscape software for better understanding of the protein-protein interaction (PPI) networks in biological context. Bioinformatics analyses revealed that HP expression associated with fibrosis was upregulated, and suggested that HP responsible for fibrosis may precede the onset and progression of LF. Using the web-based database, functional pathway analysis suggested the modulation of multiple vital physiological pathways, including antioxidation immunity, signal transduction, metabolic process, energy production, cell apoptosis, oxidation reduction, DNA repair process, cell communication, and regulation of cellular process. The generation of protein interaction networks clearly enhances the interpretation and understanding of the molecular mechanisms of HP. HP protein represents targets for further experimental investigation that will provide biological insight and potentially could be exploited for novel therapeutic approaches to combat LF.
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Affiliation(s)
- Aihua Zhang
- National TCM Key Lab of Serum Pharmacochemistry, Heilongjiang University of Chinese Medicine, and Key Pharmacometabolomics Platform of Chinese Medicines, Heping Road 24, Harbin 150040, China
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Kim YS, Jung H, Gil HW, Hong SY, Song HY. Proteomic analysis of changes in protein expression in serum from animals exposed to paraquat. Int J Mol Med 2012; 30:1521-7. [PMID: 23023206 DOI: 10.3892/ijmm.2012.1143] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2012] [Accepted: 08/13/2012] [Indexed: 11/06/2022] Open
Abstract
Paraquat (PQ) poisoning remains a major public health concern in many countries. Extensive research has focused on finding early diagnostic biomarkers of acute PQ poisoning. In order to investigate the characterization of diagnostic biomarkers in PQ poisoning, we utilized proteomic analysis using serum from rats exposed to PQ, and we identified 8 differentially expressed proteins from over 500 protein spots. The expression of apolipoprotein E (ApoE), preprohaptoglobin (Pphg), a precursor of haptoglobin (Hp), and complement component 3 (C3) proteins was greatly induced by PQ exposure while the expression of fibrinogen γ-chain (FGG) and Ac-158 was dramatically reduced. To further investigate the possibility of ApoE, Pphg and FGG as useful diagnostic biomarkers of PQ poisoning, western blot and qRT-PCR analyses were conducted using cell lines as well as rat and human sera. The expression levels of ApoE, Hp and FGG were significantly altered in the presence of PQ in both rat and human serum suggesting that these proteins may be appropriate candidate molecular biomarkers for the early diagnosis of acute PQ intoxication.
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Affiliation(s)
- Yong-Sik Kim
- Department of Microbiology, College of Medicine, Soon Chun Hyang University, Cheonan, Chungnam 330-090, Republic of Korea
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