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Gonciarz W, Lechowicz Ł, Urbaniak M, Rechciński T, Chałubiński M, Broncel M, Kaca W, Chmiela M. Searching for serum biomarkers linking coronary heart disease and Helicobacter pylori infection using infrared spectroscopy and artificial neural networks. Sci Rep 2022; 12:18284. [PMID: 36316430 PMCID: PMC9622908 DOI: 10.1038/s41598-022-23191-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 10/26/2022] [Indexed: 11/07/2022] Open
Abstract
Helicobacter pylori (Hp) Gram-negative bacteria cause gastritis or gastric ulcers. They may be involved in the development of systemic diseases i.e. coronary heart disease (CHD). Both Hp infection and CHD are related to inflammation accompanied by C-reactive protein (CRP), tumor necrosis factor alfa (TNF-α) and homocysteine. Low density lipoprotein (LDL) and triglicerides are a classic risk factors of CHD. Infrared spectroscopy has been introduced for monitoring chronic infections or endogenous disorders using specific absorption bands for biocomponents typed as diagnostic markers. In this study we selected specific motives of infrared radiation (IR) spectra for the sera from CHD patients infected with Hp. In total 141 sera were used: 90 from patients with CHD, all Hp positive, and 51 from healthy donors, 32 Hp negative and 21 Hp positive. Hp status was evaluated by anti-Hp IgG antibodies and/or 13C urea breath testing. IR spectra were measured using FT-IR/FT-NIR Spectrum 400 spectrometer (PerkinElmer) chemometrically analyzed using artificial neural networks and they showed differences in absorption bands corresponding to triglicerides, CRP, homocysteine, LDL and TNF-α, and selected component groups between CHD patients infected with Hp vs healthy uninfected donors (96.15% accuracy). Triglicerides and CRP were the best biomarkers linking Hp infection with CHD.
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Affiliation(s)
- Weronika Gonciarz
- grid.10789.370000 0000 9730 2769Department of Immunology and Infectious Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland ,grid.411821.f0000 0001 2292 9126Department of Synthesis and Structural Research, Faculty of Natural Sciences, Jan Kochanowski University, Świętokrzyska 11, 25-406 Kielce, Poland
| | - Łukasz Lechowicz
- grid.411821.f0000 0001 2292 9126Departament of Microbiology, Faculty of Natural Sciences, Jan Kochanowski University, Świętokrzyska 11, 25-406 Kielce, Poland
| | - Mariusz Urbaniak
- grid.411821.f0000 0001 2292 9126Department of Synthesis and Structural Research, Faculty of Natural Sciences, Jan Kochanowski University, Świętokrzyska 11, 25-406 Kielce, Poland
| | - Tomasz Rechciński
- grid.8267.b0000 0001 2165 3025Clinic and Department of Cardiology, Medical University of Lodz, 92-213 Lodz, Poland
| | - Maciej Chałubiński
- grid.8267.b0000 0001 2165 3025Department of Immunology and Allergy, Medical University of Lodz, Pomorska 251, 91-347 Lodz, Poland
| | - Marlena Broncel
- grid.8267.b0000 0001 2165 3025Laboratory of Tissue Immunopharmacology, Department of Internal Diseases and Clinical Pharmacology, Medical University of Lodz, Kniaziewicza 1/5, 91-347 Lodz, Poland
| | - Wiesław Kaca
- grid.411821.f0000 0001 2292 9126Departament of Microbiology, Faculty of Natural Sciences, Jan Kochanowski University, Świętokrzyska 11, 25-406 Kielce, Poland
| | - Magdalena Chmiela
- grid.10789.370000 0000 9730 2769Department of Immunology and Infectious Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
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Thirty-Five-Year History of Desialylated Lipoproteins Discovered by Vladimir Tertov. Biomedicines 2022; 10:biomedicines10051174. [PMID: 35625910 PMCID: PMC9138341 DOI: 10.3390/biomedicines10051174] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/17/2022] [Accepted: 05/17/2022] [Indexed: 12/11/2022] Open
Abstract
Atherosclerosis is one of the leading causes of death in developed and developing countries. The atherogenicity phenomenon cannot be separated from the role of modified low-density lipoproteins (LDL) in atherosclerosis development. Among the multiple modifications of LDL, desialylation deserves to be discussed separately, since its atherogenic effects and contribution to atherogenicity are often underestimated or, simply, forgotten. Vladimir Tertov is linked to the origin of the research related to desialylated lipoproteins, including the association of modified LDL with atherogenicity, autoimmune nature of atherosclerosis, and discovery of sialidase activity in blood plasma. The review will briefly discuss all the above-mentioned information, with a description of the current situation in the research.
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Bacteriocin enterocin CRL35 is a modular peptide that induces non-bilayer states in bacterial model membranes. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2020; 1862:183135. [DOI: 10.1016/j.bbamem.2019.183135] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/07/2019] [Accepted: 11/04/2019] [Indexed: 11/17/2022]
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Delanghe SE, De Bruyne S, De Baene L, Van Biesen W, Speeckaert MM, Delanghe JR. Estimating the Level of Carbamoylated Plasma Non-High-Density Lipoproteins Using Infrared Spectroscopy. J Clin Med 2019; 8:jcm8060774. [PMID: 31159214 PMCID: PMC6616436 DOI: 10.3390/jcm8060774] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 05/28/2019] [Accepted: 05/29/2019] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND The increased cardiovascular morbidity and mortality observed in chronic kidney disease (CKD) patients can be partly explained by the presence of carbamoylated lipoproteins. Lipid profiles can be determined with infrared spectroscopy. In this paper, the effects of carbamoylation on spectral changes of non-high-density lipoproteins (non-HDL) were studied. METHODS In the present study, fasting serum samples were obtained from 84 CKD patients (CKD stage 3-5: n = 37 and CKD stage 5d (hemodialysis): n = 47) and from 45 healthy subjects. In vitro carbamoylation of serum lipoproteins from healthy subjects was performed using increasing concentrations of potassium cyanate. Lipoprotein-containing pellets were isolated by precipitation of non-HDL. The amount of carbamoylated serum non-HDL was estimated using attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy, followed by soft independent modelling by class analogy analysis. RESULTS Carbamoylation resulted in a small increase of the amide I band (1714-1589 cm-1) of the infrared spectroscopy (IR) spectrum. A significant difference in the amide II/amide I area under the curves (AUC) ratio was observed between healthy subjects and CKD patients, as well as between the two CKD groups (non-dialysis versus hemodialysis patients). CONCLUSIONS ATR-FTIR spectroscopy can be considered as a novel method to detect non-HDL carbamoylation.
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Affiliation(s)
- Sigurd E Delanghe
- Department of Nephrology, Ghent University Hospital, 9000 Ghent, Belgium.
| | - Sander De Bruyne
- Department of Clinical Chemistry, Ghent University Hospital, 9000 Ghent, Belgium.
| | - Linde De Baene
- Department of Clinical Chemistry, Ghent University Hospital, 9000 Ghent, Belgium.
| | - Wim Van Biesen
- Department of Nephrology, Ghent University Hospital, 9000 Ghent, Belgium.
| | - Marijn M Speeckaert
- Department of Nephrology, Ghent University Hospital, 9000 Ghent, Belgium.
- Research Foundation-Flanders (FWO), 1000 Brussels, Belgium.
| | - Joris R Delanghe
- Department of Clinical Chemistry, Ghent University Hospital, 9000 Ghent, Belgium.
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Oleszko A, Hartwich J, Wójtowicz A, Gąsior-Głogowska M, Huras H, Komorowska M. Comparison of FTIR-ATR and Raman spectroscopy in determination of VLDL triglycerides in blood serum with PLS regression. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 183:239-246. [PMID: 28454077 DOI: 10.1016/j.saa.2017.04.020] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 04/13/2017] [Accepted: 04/16/2017] [Indexed: 06/07/2023]
Abstract
Hypertriglyceridemia, related with triglyceride (TG) in plasma above 1.7mmol/L is one of the cardiovascular risk factors. Very low density lipoproteins (VLDL) are the main TG carriers. Despite being time consuming, demanding well-qualified staff and expensive instrumentation, ultracentrifugation technique still remains the gold standard for the VLDL isolation. Therefore faster and simpler method of VLDL-TG determination is needed. Vibrational spectroscopy, including FT-IR and Raman, is widely used technique in lipid and protein research. The aim of this study was assessment of Raman and FT-IR spectroscopy in determination of VLDL-TG directly in serum with the isolation step omitted. TG concentration in serum and in ultracentrifugated VLDL fractions from 32 patients were measured with reference colorimetric method. FT-IR and Raman spectra of VLDL and serum samples were acquired. Partial least square (PLS) regression was used for calibration and leave-one-out cross validation. Our results confirmed possibility of reagent-free determination of VLDL-TG directly in serum with both Raman and FT-IR spectroscopy. Quantitative VLDL testing by FT-IR and/or Raman spectroscopy applied directly to maternal serum seems to be promising screening test to identify women with increased risk of adverse pregnancy outcomes and patient friendly method of choice based on ease of performance, accuracy and efficiency.
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Affiliation(s)
- Adam Oleszko
- Wrocław University of Science and Technology, Faculty of Fundamental Problems of Technology, Department of Biomedical Engineering, 27 Stanisława Wyspiańskiego St., 50-370 Wrocław, Poland.
| | - Jadwiga Hartwich
- Jagiellonian University Medical College, Department of Analytical Biochemistry, 9 Medyczna St., 30-688 Kraków, Poland
| | - Anna Wójtowicz
- Jagiellonian University, Kraków, Department of Obstetrics & Perinatology, 23 Kopernika St., 31-501 Krakow, Poland
| | - Marlena Gąsior-Głogowska
- Wrocław University of Science and Technology, Faculty of Fundamental Problems of Technology, Department of Biomedical Engineering, 27 Stanisława Wyspiańskiego St., 50-370 Wrocław, Poland
| | - Hubert Huras
- Jagiellonian University, Kraków, Department of Obstetrics & Perinatology, 23 Kopernika St., 31-501 Krakow, Poland
| | - Małgorzata Komorowska
- Wrocław University of Science and Technology, Faculty of Fundamental Problems of Technology, Department of Biomedical Engineering, 27 Stanisława Wyspiańskiego St., 50-370 Wrocław, Poland
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Structural analysis of APOB variants, p.(Arg3527Gln), p.(Arg1164Thr) and p.(Gln4494del), causing Familial Hypercholesterolaemia provides novel insights into variant pathogenicity. Sci Rep 2015; 5:18184. [PMID: 26643808 PMCID: PMC4672294 DOI: 10.1038/srep18184] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Accepted: 11/13/2015] [Indexed: 12/27/2022] Open
Abstract
Familial hypercholesterolaemia (FH) is an inherited autosomal dominant disorder resulting from defects in the low-density lipoprotein receptor (LDLR), in the apolipoprotein B (APOB) or in the proprotein convertase subtilisin/kexin type 9 (PCSK9) genes. In the majority of the cases FH is caused by mutations occurring within LDLR, while only few mutations in APOB and PCSK9 have been proved to cause disease. p.(Arg3527Gln) was the first mutation in APOB being identified and characterized. Recently two novel pathogenic APOB variants have been described: p.(Arg1164Thr) and p.(Gln4494del) showing impaired LDLR binding capacity, and diminished LDL uptake. The objective of this work was to analyse the structure of p.(Arg1164Thr) and p.(Gln4494del) variants to gain insight into their pathogenicity. Secondary structure of the human ApoB100 has been investigated by infrared spectroscopy (IR) and LDL particle size both by dynamic light scattering (DLS) and electron microscopy. The results show differences in secondary structure and/or in particle size of p.(Arg1164Thr) and p.(Gln4494del) variants compared with wild type. We conclude that these changes underlie the defective binding and uptake of p.(Arg1164Thr) and p.(Gln4494del) variants. Our study reveals that structural studies on pathogenic variants of APOB may provide very useful information to understand their role in FH disease.
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