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Komsa-Penkova R, Krumova S, Langari A, Giosheva I, Gartcheva L, Danailova A, Topalova L, Stoyanova T, Strijkova V, Savov A, Todinova S. Blood Plasma Calorimetric Profiles of Women with Preeclampsia: Effect of Oxidative Stress. Antioxidants (Basel) 2023; 12:antiox12051032. [PMID: 37237898 DOI: 10.3390/antiox12051032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/23/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
Preeclampsia is a pregnancy-related disease with poor placentation and presents itself through hypertension and proteinuria. The disease is also associated with the oxidative modification of proteins in maternal blood plasma. In this work, we combine differential scanning calorimetry (DSC), capillary electrophoresis, and atomic force microscopy (AFM) to evaluate the changes in the plasma denaturation profiles of patients with preeclampsia (PE) as compared with those of pregnant controls. Our results demonstrate that the last trimester of pregnancy substantially affects the main calorimetric characteristics of blood plasma from pregnant controls relative to nonpregnant women. These variations correlate well with the changes in protein levels determined by electrophoresis. DSC analysis revealed significant deviations in the plasma heat capacity profiles of preeclamptic patients from those of pregnant controls. These alterations are expressed mainly in a substantial reduction in albumin-assigned transitions and an upward shift in its denaturation temperature, lower calorimetric enthalpy changes, and a reduced ratio of heat capacity in the albumin/globulin-assigned thermal transitions, which are more pronounced in severe PE cases. The in vitro oxidation model shows that the alteration of PE thermograms is partly related to protein oxidation. AFM data detected numerous aggregate formations in the plasma of PE samples and fewer small ones in the pregnant controls, which are not found in healthy nonpregnant samples. These findings could serve as a basis for further investigations to reveal the possible relationship between albumin thermal stabilization, the increased inflammatory state and oxidative stress, and protein misfolding in preeclampsia.
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Affiliation(s)
- Regina Komsa-Penkova
- Department of Biochemistry, Medical University-Pleven, Sv. Kliment Ohridski Str. 1, 5800 Pleven, Bulgaria
| | - Sashka Krumova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, "Acad. G. Bontchev" Str. 21, 1113 Sofia, Bulgaria
| | - Ariana Langari
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, "Acad. G. Bontchev" Str. 21, 1113 Sofia, Bulgaria
| | - Ina Giosheva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, "Acad. G. Bontchev" Str. 21, 1113 Sofia, Bulgaria
- National Genetics Laboratory, University Hospital of Obstetrics and Gynecology "Maichin Dom", Medical University Sofia, Zdrave Str. 2, 1431 Sofia, Bulgaria
| | - Lidia Gartcheva
- National Specialized Hospital for Active Treating of Haematological Diseases, 1756 Sofia, Bulgaria
| | - Avgustina Danailova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, "Acad. G. Bontchev" Str. 21, 1113 Sofia, Bulgaria
| | - Lora Topalova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, "Acad. G. Bontchev" Str. 21, 1113 Sofia, Bulgaria
| | - Tanya Stoyanova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, "Acad. G. Bontchev" Str. 21, 1113 Sofia, Bulgaria
| | - Velichka Strijkova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, "Acad. G. Bontchev" Str. 21, 1113 Sofia, Bulgaria
- Institute of Optical Materials and Technologies "Acad. Yordan Malinovski", Bulgarian Academy of Sciences, "Acad. G. Bontchev" Str. 109, 1113 Sofia, Bulgaria
| | - Alexey Savov
- National Genetics Laboratory, University Hospital of Obstetrics and Gynecology "Maichin Dom", Medical University Sofia, Zdrave Str. 2, 1431 Sofia, Bulgaria
| | - Svetla Todinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, "Acad. G. Bontchev" Str. 21, 1113 Sofia, Bulgaria
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Giosheva I, Strijkova V, Komsa-Penkova R, Krumova S, Langari A, Danailova A, Taneva SG, Stoyanova T, Topalova L, Gartchev E, Georgieva G, Todinova S. Membrane Lesions and Reduced Life Span of Red Blood Cells in Preeclampsia as Evidenced by Atomic Force Microscopy. Int J Mol Sci 2023; 24:ijms24087100. [PMID: 37108270 PMCID: PMC10138579 DOI: 10.3390/ijms24087100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/09/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Preeclampsia (PE) presents with maternal de novo hypertension and significant proteinuria and is one of the leading causes of maternal and perinatal morbidity and mortality with unknown etiology. The disease is associated with inflammatory vascular response and severe red blood cell (RBC) morphology changes. This study examined the nanoscopic morphological changes of RBCs from PE women versus normotensive healthy pregnant controls (PCs) and non-pregnant controls (NPCs) applying atomic force microscopy (AFM) imaging. The results revealed that the membrane of fresh PE RBCs differed significantly from healthy ones by the presence of invaginations and protrusions and an increased roughness value (Rrms) (4.7 ± 0.8 nm for PE vs. 3.8 ± 0.5 nm and 2.9 ± 0.4 nm for PCs and NPCs, respectively). PE-cells aging resulted in more pronounced protrusions and concavities, with exponentially increasing Rrms values, in contrast to the controls, where the Rrms parameter decreased linearly with time. The Rrms, evaluated on a 2 × 2 µm2 scanned area, for senescent PE cells (13 ± 2.0 nm) was significantly higher (p < 0.01) than that of PCs (1.5 ± 0.2 nm) and NPCs (1.9 ± 0.2 nm). Furthermore, the RBCs from PE patients appeared fragile, and often only ghosts were observed instead of intact cells at 20-30 days of aging. Oxidative-stress simulation on healthy cells led to RBC membrane features similar to those observed for PE cells. The results demonstrate that the most pronounced effects on RBCs in PE patients are related to impaired membrane homogeneity and strongly altered roughness values, as well as to vesiculation and ghost formation in the course of cell aging.
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Affiliation(s)
- Ina Giosheva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
- University Obstetrics and Gynecology Hospital "Maichin Dom", 1431 Sofia, Bulgaria
| | - Velichka Strijkova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
- Institute of Optical Materials and Technologies "Acad. Yordan Malinovski", Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | | | - Sashka Krumova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Ariana Langari
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Avgustina Danailova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Stefka G Taneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Tanya Stoyanova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Lora Topalova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Emil Gartchev
- University Obstetrics and Gynecology Hospital "Maichin Dom", 1431 Sofia, Bulgaria
| | - Galya Georgieva
- Department of Biochemistry, Medical University-Pleven, 5800 Pleven, Bulgaria
| | - Svetla Todinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Stoichev S, Danailova A, Iliev I, Sulikovska I, Strijkova V, Mladenova K, Andreeva T. Fabrication and Biocompatibility of Layer-by-layer Assembled Composite Graphene Oxide-polysaccharide Microcapsules. Int J Bioautomation 2022. [DOI: 10.7546/ijba.2022.26.3.000843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
The present study is focused on the construction and characterization of the morphology and biocompatibility of polysaccharide multilayered microcapsules (PMC) composed of natural polyelectrolytes (chitosan/alginate/hyaluronic acid), and on the effect of graphene oxide (GO) incorporation in the polymer matrix. The insertion of GO in the polymer matrix is an innovative and still evolving strategy used to modify the properties of the polyelectrolyte microcapsules. We have fabricated a number of hybrid GO-polysaccharide multilayered capsules by layer-by-layer assembling technique onto a CaCO3 core, followed by core decomposition in mild conditions. Hybrid microcapsules with different composition were constructed by varying the number or localization of the incorporated GO-layers. It was found that the thickness of the hybrid microcapsules, evaluated by atomic force microscopy, decreases after incorporation of GO nanosheets in the polymer matrix. Analysis of the viability and proliferation of fibroblasts after incubation with hybrid PMC revealed pronounced concentration-dependent cytotoxic and antiproliferative effect. Based on the results, we can conclude that the hybrid multilayered microcapsules made of natural polysaccharides and graphene oxide could be used for biomedical applications.
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Langari A, Strijkova V, Komsa-Penkova R, Danailova A, Krumova S, Taneva SG, Giosheva I, Gartchev E, Kercheva K, Savov A, Todinova S. Morphometric and Nanomechanical Features of Erythrocytes Characteristic of Early Pregnancy Loss. Int J Mol Sci 2022; 23:ijms23094512. [PMID: 35562904 PMCID: PMC9103795 DOI: 10.3390/ijms23094512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/16/2022] [Accepted: 04/16/2022] [Indexed: 02/06/2023] Open
Abstract
Early pregnancy loss (EPL) is estimated to be between 15 and 20% of all adverse pregnancies. Approximately, half of EPL cases have no identifiable cause. Herein, we apply atomic force microscopy to evaluate the alteration of morphology and nanomechanics of erythrocytes from women with EPL with unknown etiology, as compared to healthy pregnant (PC) and nonpregnant women (NPC). Freshly isolated erythrocytes from women with EPL differ in both the roughness value (4.6 ± 0.3 nm, p < 0.05), and Young’s modulus (2.54 ± 0.6 MPa, p < 0.01) compared to the values for NPC (3.8 ± 0.4 nm and 0.94 ± 0.2 MPa, respectively) and PC (3.3 ± 0.2 nm and 1.12 ± 0.3 MPa, respectively). Moreover, we find a time-dependent trend for the reduction of the cells’ morphometric parameters (cells size and surface roughness) and the membrane elasticity—much faster for EPL than for the two control groups. The accelerated aging of EPL erythrocytes is expressed in faster morphological shape transformation and earlier occurrence of spiculated and spherical-shaped cells, reduced membrane roughness and elasticity with aging evolution. Oxidative stress in vitro contributed to the morphological cells’ changes observed for EPL senescent erythrocytes. The ultrastructural characteristics of cells derived from women with miscarriages show potential as a supplementary mark for a pathological state.
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Affiliation(s)
- Ariana Langari
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, “Acad. G. Bontchev” Str. 21, 1113 Sofia, Bulgaria; (A.L.); (V.S.); (A.D.); (S.K.); (S.G.T.); (I.G.)
| | - Velichka Strijkova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, “Acad. G. Bontchev” Str. 21, 1113 Sofia, Bulgaria; (A.L.); (V.S.); (A.D.); (S.K.); (S.G.T.); (I.G.)
- Institute of Optical Materials and Technologies “Acad. Yordan Malinovski”, Bulgarian Academy of Sciences, “Acad. G. Bontchev” Str. 109, 1113 Sofia, Bulgaria
| | - Regina Komsa-Penkova
- Department of Biochemistry, Medical University—Pleven, Sv. Kliment Ohridski Str. 1, 5800 Pleven, Bulgaria;
| | - Avgustina Danailova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, “Acad. G. Bontchev” Str. 21, 1113 Sofia, Bulgaria; (A.L.); (V.S.); (A.D.); (S.K.); (S.G.T.); (I.G.)
| | - Sashka Krumova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, “Acad. G. Bontchev” Str. 21, 1113 Sofia, Bulgaria; (A.L.); (V.S.); (A.D.); (S.K.); (S.G.T.); (I.G.)
| | - Stefka G. Taneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, “Acad. G. Bontchev” Str. 21, 1113 Sofia, Bulgaria; (A.L.); (V.S.); (A.D.); (S.K.); (S.G.T.); (I.G.)
| | - Ina Giosheva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, “Acad. G. Bontchev” Str. 21, 1113 Sofia, Bulgaria; (A.L.); (V.S.); (A.D.); (S.K.); (S.G.T.); (I.G.)
- University Hospital of Obstetrics and Gynecology “Maichin Dom”, Medical University Sofia, Zdrave Str. 2, 1431 Sofia, Bulgaria; (E.G.); (K.K.); (A.S.)
| | - Emil Gartchev
- University Hospital of Obstetrics and Gynecology “Maichin Dom”, Medical University Sofia, Zdrave Str. 2, 1431 Sofia, Bulgaria; (E.G.); (K.K.); (A.S.)
| | - Kamelia Kercheva
- University Hospital of Obstetrics and Gynecology “Maichin Dom”, Medical University Sofia, Zdrave Str. 2, 1431 Sofia, Bulgaria; (E.G.); (K.K.); (A.S.)
| | - Alexey Savov
- University Hospital of Obstetrics and Gynecology “Maichin Dom”, Medical University Sofia, Zdrave Str. 2, 1431 Sofia, Bulgaria; (E.G.); (K.K.); (A.S.)
| | - Svetla Todinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, “Acad. G. Bontchev” Str. 21, 1113 Sofia, Bulgaria; (A.L.); (V.S.); (A.D.); (S.K.); (S.G.T.); (I.G.)
- Correspondence:
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Todinova S, Krumova S, Bogdanova D, Danailova A, Zlatareva E, Kalaydzhiev N, Langari A, Milanov I, Taneva SG. Red Blood Cells' Thermodynamic Behavior in Neurodegenerative Pathologies and Aging. Biomolecules 2021; 11:biom11101500. [PMID: 34680133 PMCID: PMC8534019 DOI: 10.3390/biom11101500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/17/2021] [Accepted: 10/08/2021] [Indexed: 02/07/2023] Open
Abstract
The main trend of current research in neurodegenerative diseases (NDDs) is directed towards the discovery of novel biomarkers for disease diagnostics and progression. The pathological features of NDDs suggest that diagnostic markers can be found in peripheral fluids and cells. Herein, we investigated the thermodynamic behavior of the peripheral red blood cells (RBCs) derived from patients diagnosed with three common NDDs—Parkinson’s disease (PD), Alzheimer’s disease (AD), and amyotrophic lateral sclerosis (ALS) and compared it with that of healthy individuals, evaluating both fresh and aged RBCs. We established that NDDs can be differentiated from the normal healthy state on the basis of the variation in the thermodynamic parameters of the unfolding of major RBCs proteins—the cytoplasmic hemoglobin (Hb) and the membrane Band 3 (B3) protein. A common feature of NDDs is the higher thermal stability of both Hb and B3 proteins along the RBCs aging, while the calorimetric enthalpy can distinguish PD from ALS and AD. Our data provide insights into the RBCs thermodynamic behavior in two complex and tightly related phenomena—neurodegenerative pathologies and aging, and it suggests that the determined thermodynamic parameters are fingerprints of the altered conformation of Hb and B3 protein and modified RBCs’ aging in the studied NDDs.
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Affiliation(s)
- Svetla Todinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev, 1113 Sofia, Bulgaria; (S.T.); (S.K.); (A.D.); (A.L.)
| | - Sashka Krumova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev, 1113 Sofia, Bulgaria; (S.T.); (S.K.); (A.D.); (A.L.)
| | - Desislava Bogdanova
- Department of Neurology, University Multiprofile Hospital for Active Treatment in Neurology and Psychiatry Sv. Naum, 1113 Sofia, Bulgaria; (D.B.); (E.Z.); (N.K.); (I.M.)
| | - Avgustina Danailova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev, 1113 Sofia, Bulgaria; (S.T.); (S.K.); (A.D.); (A.L.)
| | - Elena Zlatareva
- Department of Neurology, University Multiprofile Hospital for Active Treatment in Neurology and Psychiatry Sv. Naum, 1113 Sofia, Bulgaria; (D.B.); (E.Z.); (N.K.); (I.M.)
| | - Nikolay Kalaydzhiev
- Department of Neurology, University Multiprofile Hospital for Active Treatment in Neurology and Psychiatry Sv. Naum, 1113 Sofia, Bulgaria; (D.B.); (E.Z.); (N.K.); (I.M.)
| | - Ariana Langari
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev, 1113 Sofia, Bulgaria; (S.T.); (S.K.); (A.D.); (A.L.)
| | - Ivan Milanov
- Department of Neurology, University Multiprofile Hospital for Active Treatment in Neurology and Psychiatry Sv. Naum, 1113 Sofia, Bulgaria; (D.B.); (E.Z.); (N.K.); (I.M.)
| | - Stefka G. Taneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev, 1113 Sofia, Bulgaria; (S.T.); (S.K.); (A.D.); (A.L.)
- Correspondence:
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Stoichev S, Taneva S, Danailova A, Toca-Herrera JL, Andreeva T. Encapsulation of Opiorphin in Polymer-coated Alginate Beads for Controlled Delivery and Painkilling. Int J Bioautomation 2021. [DOI: 10.7546/ijba.2021.25.1.000746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Opiorphin (Oph) is a naturally produced endogenous peptide with a strong analgesic effect, superior to that of morphine, and without the severe side effects that morphine and morphine-like drugs exert. However, despite its strong therapeutic potential, the short duration of action, probably due to its low chemical stability and rapid degradation by the peptidases in the bloodstream, represents a serious obstacle to the Oph use into clinical practice. In this work a novel approach to construct Oph-loaded particles as a platform for its delivery has been developed. Gel beads loaded with Oph were synthesized from alginate, a naturally occurring biodegradable anionic polysaccharide, and coated with polyelectrolyte multilayers (from natural polyelectrolytes (chitosan and hyaluronic acid) and synthetic polyelectrolytes (poly(allylamine hydrochloride) and poly(styrene sulfonate)) or hybrid polyelectrolyte-graphene oxide multilayers. All coated Oph-loaded alginate beads show prolonged drug release compared to the non-coated ones, but the extent of the prolongation depends on the type of the coating. We expect that the successful encapsulation of opiorphin in biodegradable particles will provide an opportunity for the development of adequate drug delivery system with effective and prolonged analgesic activity and will offer a new alternative for pain management.
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Taneva SG, Krumova S, Bogár F, Kincses A, Stoichev S, Todinova S, Danailova A, Horváth J, Násztor Z, Kelemen L, Dér A. Insights into graphene oxide interaction with human serum albumin in isolated state and in blood plasma. Int J Biol Macromol 2021; 175:19-29. [PMID: 33508363 DOI: 10.1016/j.ijbiomac.2021.01.151] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 01/21/2021] [Accepted: 01/21/2021] [Indexed: 11/18/2022]
Abstract
The interactions of graphene oxide (GO), a 2-dimensional nanomaterial with hydrophilic edges, hydrophobic basal plane and large flat surfaces, with biological macromolecules, are of key importance for the development of novel nanomaterials for biomedical applications. To gain more insight into the interaction of GO flakes with human serum albumin (HSA), we examined GO binding to HSA in its isolated state and in blood plasma. Calorimetric data reveal that GO strongly stabilizes free isolated HSA against a thermal challenge at low ionic strength, indicating strong binding interactions, confirmed by the drop in ζ-potential of the HSA/GO assemblies compared to bare GO flakes. However, calorimetry also revealed that the HSA-GO molecular interaction is hampered in blood plasma, the ionic strength being particularly important for the interactions. Molecular modelling calculations are in full concert with these experimental findings, indicating a considerably higher binding affinity for HSA to GO in its partially unfolded state, characteristic to low-ionic-strength environment, than for the native protein conformation, observed under physiological conditions. Therefore, for the first time we demonstrate an impeded interaction between HSA and GO nanoflakes in blood plasma, and suggest that the protein is protected from the plausible toxic effects of GO under native conditions.
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Affiliation(s)
- Stefka G Taneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl.21, 1113 Sofia, Bulgaria.
| | - Sashka Krumova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl.21, 1113 Sofia, Bulgaria
| | - Ferenc Bogár
- Department of Medical Chemistry, University of Szeged, H-6720 Szeged, Hungary; MTA-SZTE Biomimetic Systems Research Group, University of Szeged, H-6720 Szeged, Hungary
| | - András Kincses
- Institute of Biophysics, Biological Research Centre, H-6726 Szeged, Hungary
| | - Svetozar Stoichev
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl.21, 1113 Sofia, Bulgaria
| | - Svetla Todinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl.21, 1113 Sofia, Bulgaria
| | - Avgustina Danailova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl.21, 1113 Sofia, Bulgaria
| | - János Horváth
- Institute of Biophysics, Biological Research Centre, H-6726 Szeged, Hungary; Doctoral School of Physics, University of Szeged, H-6720 Szeged, Hungary
| | - Zoltán Násztor
- Institute of Biophysics, Biological Research Centre, H-6726 Szeged, Hungary
| | - Lóránd Kelemen
- Institute of Biophysics, Biological Research Centre, H-6726 Szeged, Hungary
| | - András Dér
- Institute of Biophysics, Biological Research Centre, H-6726 Szeged, Hungary
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Danailova A, Krumova S, Iliev I, Gartcheva L, Taneva S, Todinova S. Calorimetric Markers for Inflammation in in vivo Experimental Models. Int J Bioautomation 2019. [DOI: 10.7546/ijba.2019.23.4.000645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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9
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Dinarelli S, Longo G, Krumova S, Todinova S, Danailova A, Taneva SG, Lenzi E, Mussi V, Girasole M. Insights into the morphological pattern of erythrocytes' aging: Coupling quantitative AFM data to microcalorimetry and Raman spectroscopy. J Mol Recognit 2018; 31:e2732. [PMID: 29876977 DOI: 10.1002/jmr.2732] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 05/02/2018] [Accepted: 05/02/2018] [Indexed: 01/11/2023]
Abstract
Erythrocytes (RBCs) constitute a very interesting class of cells both for their physiological function and for a variety of peculiarities. Due to their exceptionally strong relationship with the environment, the morphology and nanoscale characteristics of these cells can reveal their biochemical status and structural integrity. Among the possible subjects of investigations, the RBCs' ageing is of the utmost importance. This is a fundamental phenomenon that, in physiological conditions, triggers the cell turnover and ensures the blood homeostasis. With these premises, in recent years, we have presented an atomic force microscopy-based methodology to characterize the patterns of RBC ageing from the morphological point of view. In the present work, we used an ageing protocol more similar to the physiological conditions and we used differential scanning calorimetry and atomic force microscopy to probe the cross correlation between important structural and functional proteins. We also assessed the role played by fundamental structural and membrane proteins in the development of the most relevant morphological intermediates observed along the ageing. Furthermore, we coupled the morphological ageing patterns to the (bio)chemical alterations detected by Raman spectroscopy. This allowed identifying the chronology of the ageing morphologies and the metabolic pathways most involved in their development. As a whole, the present study provides the base to correlate specific molecular alterations to the development of structural anomalies, and these latter to the functional status of blood cells.
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Affiliation(s)
- S Dinarelli
- Institute for the Structure of Matter (ISM-CNR), Rome, Italy
| | - G Longo
- Institute for the Structure of Matter (ISM-CNR), Rome, Italy
| | - S Krumova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - S Todinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - A Danailova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - S G Taneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - E Lenzi
- Physics Department, University of Rome Tor Vergata, Rome, Italy
| | - V Mussi
- Institute of Microelectronics and Microsystems (IMM-CNR), Rome, Italy
| | - M Girasole
- Institute for the Structure of Matter (ISM-CNR), Rome, Italy
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Todinova S, Krumova S, Danailova A, Petkova V, Guenova M, Mihaylov G, Gartcheva L, Taneva SG. Calorimetric markers for monitoring of multiple myeloma and Waldenström's macroglobulinemia patients. Eur Biophys J 2018; 47:549-559. [PMID: 29362827 DOI: 10.1007/s00249-018-1277-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/09/2017] [Accepted: 01/02/2018] [Indexed: 01/04/2023]
Abstract
The blood proteome has been studied extensively for identification of novel reliable disease biomarkers. In recent years, differential scanning calorimetry has emerged as a new tool for characterization of the thermodynamic properties of the major serum/plasma proteins and for the establishment of calorimetric markers for a variety of diseases. Here we applied calorimetry to monitor the effect of treatment of patients diagnosed with multiple myeloma and Waldenström's macroglobulinemia on the calorimetric profiles of patients' blood sera. The parameters derived from the calorimetric profiles were compared with the primary serum biomarkers, monoclonal immunoglobulin (M protein) concentration, and κ/λ free light chain ratio. For the secretory cases, the calorimetric parameters thermogram's shape similarity and weighted average center strongly depended on the M protein level but had lower sensitivity and specificity. By contrast, for non-secretory cases, the calorimetric parameters did not depend on the κ/λ free light chains ratio and exhibited significantly higher sensitivity and specificity than M protein levels. A combination of the immunological and calorimetric tests was found to greatly improve the sensitivity and specificity of the clinical status evaluation. The pronounced differences in blood sera thermograms before and during monitoring reflected the individual patients' response to treatment received and showed maintenance of heterogeneity during the disease course.
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Affiliation(s)
- Svetla Todinova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia, Bulgaria
| | - Sashka Krumova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia, Bulgaria
| | - Avgustina Danailova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia, Bulgaria
| | - Violeta Petkova
- National Specialized Hospital for Active Treating of Haematological Diseases, Sofia, Bulgaria
| | - Margarita Guenova
- National Specialized Hospital for Active Treating of Haematological Diseases, Sofia, Bulgaria
| | - Georgi Mihaylov
- National Specialized Hospital for Active Treating of Haematological Diseases, Sofia, Bulgaria
| | - Lidia Gartcheva
- National Specialized Hospital for Active Treating of Haematological Diseases, Sofia, Bulgaria
| | - Stefka Germanova Taneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113, Sofia, Bulgaria.
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