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Baralić M, Pažitná L, Brković V, Laušević M, Gligorijević N, Katrlík J, Nedić O, Robajac D. Prediction of Mortality in Patients on Peritoneal Dialysis Based on the Fibrinogen Mannosylation. Cells 2023; 12:cells12030351. [PMID: 36766693 PMCID: PMC9913213 DOI: 10.3390/cells12030351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
As we already reported, fibrinogen fucosylation emerged as a prognostic marker of peritoneal membrane function in end-stage renal disease (ESRD) patients on peritoneal dialysis. After a follow-up period of 18 months, we estimated the ability of employed lectins, as well as other biochemical parameters, to serve as mortality predictors in these patients. Following a univariate Cox regression analysis, ferritin, urea clearance, residual diuresis, hyperglycemia, and an increase in the signal intensity obtained with Galanthus nivalis lectin (GNL) emerged as potential mortality predictors, but additional multivariate Cox regression analysis pointed only to glucose concentration and GNL as mortality predictors. Higher signal intensity obtained with GNL in patients that died suggested the importance of paucimannosidic/highly mannosidic N-glycan structures on fibrinogen as factors that are related to unwanted cardiovascular events and all-cause mortality and can possibly be seen as a prediction tool. Altered glycan structures composed of mannose residues are expected to affect the reactivity of mannosylated glycoproteins with mannose-binding lectin and possibly the entire cascade of events linked to this lectin. Since patients with ESRD are prone to cardiovascular complications and the formation of atherosclerotic plaques, one can hypothesize that fibrinogen with increasingly exposed mannose residues may contribute to the unwanted events.
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Affiliation(s)
- Marko Baralić
- School of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Clinic of Nephrology, University Clinical Centre of Serbia, 11000 Belgrade, Serbia
| | - Lucia Pažitná
- Institute of Chemistry, Slovak Academy of Sciences, 84538 Bratislava, Slovakia
| | - Voin Brković
- School of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Clinic of Nephrology, University Clinical Centre of Serbia, 11000 Belgrade, Serbia
| | - Mirjana Laušević
- School of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Clinic of Nephrology, University Clinical Centre of Serbia, 11000 Belgrade, Serbia
| | - Nikola Gligorijević
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, 11080 Belgrade, Serbia
| | - Jaroslav Katrlík
- Institute of Chemistry, Slovak Academy of Sciences, 84538 Bratislava, Slovakia
| | - Olgica Nedić
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, 11080 Belgrade, Serbia
| | - Dragana Robajac
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, 11080 Belgrade, Serbia
- Correspondence:
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Malik A, Khan A, Mahmood Q, Nawaz Marth MM, Riaz M, Tabassum T, Rasool G, Rehman MFU, Batool AI, Kanwal F, Cai R. In Vivo and In Silico Assessment of the Cardioprotective Effect of Thymus linearis Extract against Ischemic Myocardial Injury. ACS OMEGA 2022; 7:43635-43646. [PMID: 36506215 PMCID: PMC9730472 DOI: 10.1021/acsomega.2c04544] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 10/25/2022] [Indexed: 06/17/2023]
Abstract
Myocardial infarction is irreversible cardiac tissue necrosis due to the blockage of one of the arteries. It leads to an insufficient supply of oxygen and nutrients, creating muscular damage in the affected regions. In the present study, aqueous methanolic extract of Thymus linearis was prepared to evaluate its activity against ischemic stress due to free radical production. GC-MS analysis was performed to evaluate the phytochemicals present in the plant extract. A chemical database of 30 compounds was virtually screened against NF-κB, COX2, and MCL, where γ-cadinene, β-bisabolene, and β-caryophyllene were found to be the best interacting ligands. To systematically assess cardioprotective activity against ischemia, isoproterenol and doxorubicin were used to induce cardiotoxicity in rats. The prepared extract of T. linearis (100 mg/kg) was given daily to animals for 21 days before injecting isoproterenol (85 mg/kg of animal weight) subcutaneously in two doses on the 20th and 21st days. In the case of doxorubicin, cardiotoxicity was induced in rats by a single injection (15 mg/kg) on the seventh day, and the extract was given to animals for 10 consecutive days. Animals' blood samples were used to monitor cardiac, liver, and other marker enzymes, including LDH, CPK, and AST. Superoxide dismutase (SOD), catalase (CAT), and malondialdehyde (MDA) were also assayed in blood plasma to determine the degree of oxidative stress. H&E staining was performed to evaluate cardioprotection by plant extract, showing significant preventive effects in reducing cardiac injury induced by isoproterenol and doxorubicin.
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Affiliation(s)
- Abdul Malik
- Department
of Pharmacology, College of Pharmacy, University
of Sargodha, Sargodha 40100, Pakistan
| | - Ajmal Khan
- Department
of Pharmacology, College of Pharmacy, University
of Sargodha, Sargodha 40100, Pakistan
| | - Qaisar Mahmood
- Department
of Pharmacology, College of Pharmacy, University
of Sargodha, Sargodha 40100, Pakistan
- Mukabbir
College of Pharmacy, Gujrat 50700, Pakistan
| | | | - Muhammad Riaz
- Department
of Allied Health Sciences, University of
Sargodha, Sargodha 40100, Pakistan
| | - Tahira Tabassum
- Department
of Pathology, Sargodha Medical College, Sargodha 40100, Pakistan
| | - Ghulam Rasool
- Department
of Allied Health Sciences, University of
Sargodha, Sargodha 40100, Pakistan
| | | | - Aima Iram Batool
- Department
of Zoology, University of Sargodha, Sargodha 40100, Pakistan
| | - Fariha Kanwal
- Department
of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Rujie Cai
- Shanghai
Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
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3
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Trbojević-Akmačić I, Lageveen-Kammeijer GSM, Heijs B, Petrović T, Deriš H, Wuhrer M, Lauc G. High-Throughput Glycomic Methods. Chem Rev 2022; 122:15865-15913. [PMID: 35797639 PMCID: PMC9614987 DOI: 10.1021/acs.chemrev.1c01031] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Glycomics aims to identify the structure and function of the glycome, the complete set of oligosaccharides (glycans), produced in a given cell or organism, as well as to identify genes and other factors that govern glycosylation. This challenging endeavor requires highly robust, sensitive, and potentially automatable analytical technologies for the analysis of hundreds or thousands of glycomes in a timely manner (termed high-throughput glycomics). This review provides a historic overview as well as highlights recent developments and challenges of glycomic profiling by the most prominent high-throughput glycomic approaches, with N-glycosylation analysis as the focal point. It describes the current state-of-the-art regarding levels of characterization and most widely used technologies, selected applications of high-throughput glycomics in deciphering glycosylation process in healthy and disease states, as well as future perspectives.
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Affiliation(s)
| | | | - Bram Heijs
- Center
for Proteomics and Metabolomics, Leiden
University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands
| | - Tea Petrović
- Genos,
Glycoscience Research Laboratory, Borongajska cesta 83H, 10 000 Zagreb, Croatia
| | - Helena Deriš
- Genos,
Glycoscience Research Laboratory, Borongajska cesta 83H, 10 000 Zagreb, Croatia
| | - Manfred Wuhrer
- Center
for Proteomics and Metabolomics, Leiden
University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands
| | - Gordan Lauc
- Genos,
Glycoscience Research Laboratory, Borongajska cesta 83H, 10 000 Zagreb, Croatia
- Faculty
of Pharmacy and Biochemistry, University
of Zagreb, A. Kovačića 1, 10 000 Zagreb, Croatia
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Zhang J, Liu X, Liu H, Wang J, Zhang Y, Zhao W. Construction of electrochemiluminescence biosensor for monitoring of glutathione released by living cancer cells. Anal Chim Acta 2022; 1226:340251. [DOI: 10.1016/j.aca.2022.340251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 07/26/2022] [Accepted: 08/08/2022] [Indexed: 11/01/2022]
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Differential Proteomics of Helicobacter pylori Isolates from Gastritis, Ulcer, and Cancer Patients: First Study from Northwest Pakistan. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58091168. [PMID: 36143845 PMCID: PMC9500814 DOI: 10.3390/medicina58091168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/14/2022] [Accepted: 08/23/2022] [Indexed: 11/29/2022]
Abstract
Background and Objective: Helicobacter pylori is a human-stomach-dwelling organism that causes many gastric illnesses, including gastritis, ulcer, and gastric cancer. The purpose of the study was to perform differential proteomic analysis on H. pylori isolates from gastritis, ulcer, and gastric cancer patients. Materials and Methods: H. pylori was isolated from antrum and fundus biopsies obtained from patients who visited the Department of Gastroenterology. Using nano-LC-QTOF MS/MS analysis, differentially regulated proteins were identified through proteome profiling of pooled samples of H. pylori isolated from gastritis, ulcer, and gastric cancer patients. Antigenic scores and cellular localization of proteins were determined using additional prediction tools. Results: A total of 14 significantly regulated proteins were identified in H. pylori isolated from patients with either gastritis, ulcer, or gastric cancer. Comparative analysis of groups revealed that in the case of cancer vs. gastritis, six proteins were overexpressed, out of which two proteins, including hydrogenase maturation factor (hypA) and nucleoside diphosphate kinase (ndk) involved in bacterial colonization, were only upregulated in isolates from cancer patients. Similarly, in cancer vs. ulcer, a total of nine proteins were expressed. Sec-independent protein translocase protein (tatB), involved in protein translocation, and pseudaminic acid synthase I (pseI), involved in the synthesis of functional flagella, were upregulated in cancer, while hypA and ndk were downregulated. In ulcer vs. gastritis, eight proteins were expressed. In this group, tatB was overexpressed. A reduction in thioredoxin peroxidase (bacterioferritin co-migratory protein (bcp)) was observed in ulcer vs. gastritis and cancer vs. ulcer. Conclusion: Our study suggested three discrete protein signatures, hypA, tatB, and bcp, with differential expression in gastritis, ulcer, and cancer. Protein expression profiles of H. pylori isolated from patients with these gastric diseases will help to understand the virulence and pathogenesis of H. pylori.
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Saad AA. Targeting cancer-associated glycans as a therapeutic strategy in leukemia. ALL LIFE 2022. [DOI: 10.1080/26895293.2022.2049901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- Ashraf Abdullah Saad
- Unit of Pediatric Hematologic Oncology and BMT, Sultan Qaboos University Hospital, Muscat, Oman
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2,3-Dihydroquinazolin-4(1H)-one as a New Class of Anti-Leishmanial Agents: A Combined Experimental and Computational Study. CRYSTALS 2021. [DOI: 10.3390/cryst12010044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Leishmaniasis is a neglected parasitic disease caused by various Leishmania species. The discovery of new protozoa drugs makes it easier to treat the disease; but, conventional clinical issues like drug resistance, cumulative toxicity, and target selectivity are also getting attention. So, there is always a need for new therapeutics to treat Leishmaniasis. Here, we have reported 2,3-dihydroquinazolin-4(1H)-one derivative as a new class of anti-leishmanial agents. Two derivatives, 3a (6,8-dinitro-2,2-disubstituted-2,3-dihydroquinazolin-4(1H)-ones) and 3b (2-(4-chloro-3-nitro-phenyl)-2-methyl-6,8-dinitro-2,3-dihydro-1H-quinazolin-4-one) were prepared that show promising in silico anti-leishmanial activities. Molecular docking was performed against the Leishmanial key proteins including Pyridoxal Kinase and Trypanothione Reductase. The stability of the ligand-protein complexes was further studied by 100 ns MD simulations and MM/PBSA calculations for both compounds. 3b has been shown to be a better anti-leishmanial candidate. In vitro studies also agree with the in-silico results where IC50 for 3a and 3b was 1.61 and 0.05 µg/mL, respectively.
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Murugesan AK, Gunasagaran KS. Purification and characterization of a synergistic bioactive lectin from Pleurotus flabellatus (PFL-L) with potent antibacterial and in-vitro radical scavenging activity. Anal Biochem 2021; 635:114450. [PMID: 34767809 DOI: 10.1016/j.ab.2021.114450] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 11/02/2021] [Accepted: 11/04/2021] [Indexed: 02/06/2023]
Abstract
Lectin is a carbohydrate-binding protein, which exhibits a plethora of biological properties such as antimicrobial, antifungal, and anticancer activities. In the present study, lectin, with an antibacterial and antioxidant potential, was purified from the oyster mushroom Pleurotus flabellatus. The P. flabellatus Lectin (PFL-L) was purified by using a DEAE - cellulose anion exchange chromatography followed by gel-filtration chromatography. The PFL-L was characterized by CD, HPLC, and MALDI-TOF/MS. The purity of PFL-L increased to 62.40% with the recovery of hemagglutinating activity (HA) by 12.12%. On SDS - PAGE, the PFL-L gave a single band of 18 kDa. PFL-L, consisting of d-galactose, exhibits a strong hemagglutinating activity. It was stable at pH (6.0-7.5) and temperature (10-20 °C) in addition to having extensive hemagglutinating activity. PFL-L enhanced the HA with the use of different metal ions namely Mg2+, Ca2+, and Fe2+. The study of bacterial growth inhibition led to the inference that the PFL-L was more potent against gram-negative bacteria. PFL-L showed the highest radical scavenging activity for the DPPH assay at 100 μg/mL (89.9 ± 2.53%). The highest antioxidant activities with IC50 values (for DPPH assay) of 53.96 μg/mL were determined for PFL-L and the present study shows that lectin from P. flabellatus manifested distinctive character and potentially exploitable activities.
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Affiliation(s)
- Arul Kumar Murugesan
- Centre for Advanced Studies in Botany, University of Madras, Guindy Campus, Chennai, Tamil Nadu, Pin Code - 600025, India; Department of Botany, Bharathidasan University, Tiruchrappalli, Pin Code - 620024, India.
| | - Karuna Sagaran Gunasagaran
- Environment Information System (ENVIS-Centre), Department of Zoology, University of Madras, Guindy Campus, Chennai, Tamil Nadu, Pin Code - 600025, India
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Rehman MFU, Akhter S, Batool AI, Selamoglu Z, Sevindik M, Eman R, Mustaqeem M, Akram MS, Kanwal F, Lu C, Aslam M. Effectiveness of Natural Antioxidants against SARS-CoV-2? Insights from the In-Silico World. Antibiotics (Basel) 2021; 10:1011. [PMID: 34439061 PMCID: PMC8388999 DOI: 10.3390/antibiotics10081011] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 08/14/2021] [Accepted: 08/16/2021] [Indexed: 01/08/2023] Open
Abstract
The SARS CoV-2 pandemic has affected millions of people around the globe. Despite many efforts to find some effective medicines against SARS CoV-2, no established therapeutics are available yet. The use of phytochemicals as antiviral agents provides hope against the proliferation of SARS-CoV-2. Several natural compounds were analyzed by virtual screening against six SARS CoV-2 protein targets using molecular docking simulations in the present study. More than a hundred plant-derived secondary metabolites have been docked, including alkaloids, flavonoids, coumarins, and steroids. SARS CoV-2 protein targets include Main protease (MPro), Papain-like protease (PLpro), RNA-dependent RNA polymerase (RdRp), Spike glycoprotein (S), Helicase (Nsp13), and E-Channel protein. Phytochemicals were evaluated by molecular docking, and MD simulations were performed using the YASARA structure using a modified genetic algorithm and AMBER03 force field. Binding energies and dissociation constants allowed the identification of potentially active compounds. Ligand-protein interactions provide an insight into the mechanism and potential of identified compounds. Glycyrrhizin and its metabolite 18-β-glycyrrhetinic acid have shown a strong binding affinity for MPro, helicase, RdRp, spike, and E-channel proteins, while a flavonoid Baicalin also strongly binds against PLpro and RdRp. The use of identified phytochemicals may help to speed up the drug development and provide natural protection against SARS-CoV-2.
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Affiliation(s)
- Muhammad Fayyaz ur Rehman
- Department of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
- Institute of Chemistry, University of Sargodha, Sargodha 41600, Pakistan; (S.A.); (R.E.)
| | - Shahzaib Akhter
- Institute of Chemistry, University of Sargodha, Sargodha 41600, Pakistan; (S.A.); (R.E.)
| | - Aima Iram Batool
- Department of Zoology, University of Sargodha, Sargodha 41600, Pakistan;
| | - Zeliha Selamoglu
- Department of Medical Biology, Faculty of Medicine, Nigde Omer Halisdemir University, Nigde 51240, Turkey;
| | - Mustafa Sevindik
- Department of Food Processing, Bahçe Vocational School, Osmaniye Korkut Ata University, Osmaniye 80000, Turkey;
| | - Rida Eman
- Institute of Chemistry, University of Sargodha, Sargodha 41600, Pakistan; (S.A.); (R.E.)
| | - Muhammad Mustaqeem
- Department of Chemistry, University of Sargodha, Bhakkar Campus, Bhakkar 30000, Pakistan;
| | - Muhammad Safwan Akram
- School of Health and Life Sciences, Teesside University, Middlesbrough TS1 3BA, UK;
- National Horizons Centre, Teesside University, Darlington DL1 1HG, UK
| | - Fariha Kanwal
- Med-X Research Institute, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 201620, China;
| | - Changrui Lu
- Department of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Mehwish Aslam
- School of Biological Sciences, University of the Punjab, Lahore 54600, Pakistan
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