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Monesterolo NE, Santander VS, Campetelli AN, Rivelli Antonelli JF, Nigra AD, Balach MM, Muhlberger T, Previtali G, Casale CH. Tubulin Regulates Plasma Membrane Ca 2+-ATPase Activity in a Lipid Environment-dependent Manner. Cell Biochem Biophys 2023:10.1007/s12013-023-01206-4. [PMID: 38133791 DOI: 10.1007/s12013-023-01206-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 11/30/2023] [Indexed: 12/23/2023]
Abstract
Ca2+ plays a crucial role in cell signaling, cytosolic Ca2+ can change up to 10,000-fold in concentration due to the action of Ca2+-ATPases, including PMCA, SERCA and SCR. The regulation and balance of these enzymes are essential to maintain cytosolic Ca2+ homeostasis. Our laboratory has discovered a novel PMCA regulatory system, involving acetylated tubulin alone or in combination with membrane lipids. This regulation controls cytosolic Ca2+ levels and influences cellular properties such as erythrocyte rheology. This review summarizes the findings on the regulatory mechanism of PMCA activity by acetylated tubulin in combination with lipids. The combination of tubulin cytoskeleton and membrane lipids suggests a novel regulatory system for PMCA, which consequently affects cytosolic Ca2+ content, depending on cytoskeletal and plasma membrane dynamics. Understanding the interaction between acetylated tubulin, lipids and PMCA activity provides new insights into Ca2+ signaling and cell function. Further research may shed light on potential therapeutic targets for diseases related to Ca2+ dysregulation. This discovery contributes to a broader understanding of cellular processes and offers opportunities to develop innovative approaches to treat Ca2+-related disorders. By elucidating the complex regulatory mechanisms of Ca2+ homeostasis, we advance our understanding of cell biology and its implications for human health.
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Affiliation(s)
- Noelia E Monesterolo
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), (CONICET - UNRC), Río Cuarto, 5800, Córdoba, Argentina
| | - Verónica S Santander
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), (CONICET - UNRC), Río Cuarto, 5800, Córdoba, Argentina
| | - Alexis N Campetelli
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), (CONICET - UNRC), Río Cuarto, 5800, Córdoba, Argentina
| | - Juan F Rivelli Antonelli
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), (CONICET - UNRC), Río Cuarto, 5800, Córdoba, Argentina
| | - Ayelén D Nigra
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), (CONICET - UNRC), Río Cuarto, 5800, Córdoba, Argentina
| | - Melisa M Balach
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), (CONICET - UNRC), Río Cuarto, 5800, Córdoba, Argentina
| | - Tamara Muhlberger
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), (CONICET - UNRC), Río Cuarto, 5800, Córdoba, Argentina
| | - Gabriela Previtali
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, Argentina
- Instituto de Biotecnología Ambiental y Salud (INBIAS), (CONICET - UNRC), Río Cuarto, 5800, Córdoba, Argentina
| | - César H Casale
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, Argentina.
- Instituto de Biotecnología Ambiental y Salud (INBIAS), (CONICET - UNRC), Río Cuarto, 5800, Córdoba, Argentina.
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2
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Radosinska J, Kollarova M, Jasenovec T, Radosinska D, Vrbjar N, Balis P, Puzserova A. Aging in Normotensive and Spontaneously Hypertensive Rats: Focus on Erythrocyte Properties. BIOLOGY 2023; 12:1030. [PMID: 37508459 PMCID: PMC10376635 DOI: 10.3390/biology12071030] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/17/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023]
Abstract
Erythrocyte deformability, crucial for oxygen delivery to tissues, plays an important role in the etiology of various diseases. As the factor maintaining the erythrocyte deformability, nitric oxide (NO) has been identified. Reduced NO bioavailability also plays a role in the pathogenesis of hypertension. Our aim was to determine whether aging and hypertension affect erythrocyte deformability and NO production by erythrocytes in experimental animals divided into six groups according to age (7, 20 and 52 weeks), labeled WKY-7, WKY-20 and WKY-52 for normotensive Wistar-Kyoto (WKY) rats, and SHR-7, SHR-20 and SHR-52 for spontaneously hypertensive rats (SHR). The filtration method for the determination of erythrocyte deformability and the fluorescent probe DAF-2 DA for NO production were applied. Deformability and NO production by erythrocytes increased at a younger age, while a decrease in both parameters was observed at an older age. Strain-related differences in deformability were observed at 7 and 52 weeks of age. SHR-7 had reduced deformability and SHR-52 had increased deformability compared with age-matched WKY. Changes in NO production under hypertensive conditions are an unlikely primary factor affecting erythrocyte deformability, whereas age-related changes in deformability are at least partially associated with changes in NO production. However, an interpretation of data obtained in erythrocyte parameters observed in SHRs of human hypertension requires precaution.
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Affiliation(s)
- Jana Radosinska
- Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, Sasinkova 2, 811 08 Bratislava, Slovakia
- Centre of Experimental Medicine, Slovak Academy of Sciences, Dúbravská Cesta 9, 841 04 Bratislava, Slovakia
| | - Marta Kollarova
- Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, Sasinkova 2, 811 08 Bratislava, Slovakia
- Premedix Academy, Medená 18, 811 02 Bratislava, Slovakia
| | - Tomas Jasenovec
- Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, Sasinkova 2, 811 08 Bratislava, Slovakia
| | - Dominika Radosinska
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, Sasinkova 4, 811 08 Bratislava, Slovakia
| | - Norbert Vrbjar
- Centre of Experimental Medicine, Slovak Academy of Sciences, Dúbravská Cesta 9, 841 04 Bratislava, Slovakia
| | - Peter Balis
- Centre of Experimental Medicine, Slovak Academy of Sciences, Dúbravská Cesta 9, 841 04 Bratislava, Slovakia
| | - Angelika Puzserova
- Centre of Experimental Medicine, Slovak Academy of Sciences, Dúbravská Cesta 9, 841 04 Bratislava, Slovakia
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3
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Balach MM, Santander VS, Elisio EY, Rivelli JF, Muhlberger T, Campetelli AN, Casale CH, Monesterolo NE. Tubulin-mediated anatomical and functional changes caused by Ca 2+ in human erythrocytes. J Physiol Biochem 2023:10.1007/s13105-023-00946-4. [PMID: 36773113 DOI: 10.1007/s13105-023-00946-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 01/28/2023] [Indexed: 02/12/2023]
Abstract
In previous research, we observed that tubulin can be found in three fractions within erythrocytes, i.e., attached to the membrane, as a soluble fraction, or as part of a structure that can be sedimented by centrifugation. Given that its differential distribution within these fractions may alter several hemorheological properties, such as erythrocyte deformability, the present work studied how this distribution is in turn affected by Ca2+, another key player in the regulation of erythrocyte cytoskeleton stability. The effect of Ca2+ on some hemorheological parameters was also assessed. The results showed that when Ca2+ concentrations increased in the cell, whether by the addition of ionophore A23187, by specific plasma membrane Ca2 + _ATPase (PMCA) inhibition, or due to arterial hypertension, tubulin translocate to the membrane, erythrocyte deformability decreased, and phosphatidylserine exposure increased. Moreover, increased Ca2+ was associated with an inverse correlation in the distribution of tubulin and spectrin, another important cytoskeleton protein. Based on these findings, we propose the existence of a mechanism of action through which higher Ca2+ concentrations in erythrocytes trigger the migration of tubulin to the membrane, a phenomenon that results in alterations of rheological and molecular aspects of the membrane itself, as well as of the integrity of the cytoskeleton.
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Affiliation(s)
- Melisa M Balach
- Instituto de Biotecnología Ambiental y Salud (INBIAS), CONICET - UNRC)- Río Cuarto, 5800, Córdoba, Argentina.,Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico- Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina
| | - Verónica S Santander
- Instituto de Biotecnología Ambiental y Salud (INBIAS), CONICET - UNRC)- Río Cuarto, 5800, Córdoba, Argentina.,Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico- Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina
| | - Elida Y Elisio
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico- Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina
| | - Juan F Rivelli
- Instituto de Biotecnología Ambiental y Salud (INBIAS), CONICET - UNRC)- Río Cuarto, 5800, Córdoba, Argentina.,Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico- Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina
| | - Tamara Muhlberger
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico- Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina
| | - Alexis N Campetelli
- Instituto de Biotecnología Ambiental y Salud (INBIAS), CONICET - UNRC)- Río Cuarto, 5800, Córdoba, Argentina.,Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico- Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina
| | - Cesar H Casale
- Instituto de Biotecnología Ambiental y Salud (INBIAS), CONICET - UNRC)- Río Cuarto, 5800, Córdoba, Argentina.,Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico- Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina
| | - Noelia E Monesterolo
- Instituto de Biotecnología Ambiental y Salud (INBIAS), CONICET - UNRC)- Río Cuarto, 5800, Córdoba, Argentina. .,Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico- Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina.
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Skverchinskaya E, Levdarovich N, Ivanov A, Mindukshev I, Bukatin A. Anticancer Drugs Paclitaxel, Carboplatin, Doxorubicin, and Cyclophosphamide Alter the Biophysical Characteristics of Red Blood Cells, In Vitro. BIOLOGY 2023; 12:biology12020230. [PMID: 36829507 PMCID: PMC9953263 DOI: 10.3390/biology12020230] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023]
Abstract
Red blood cells (RBCs) are the most numerous cells in the body and perform gas exchange between all tissues. During the infusion of cancer chemotherapeutic (CT) agents, blood cells are the first ones to encounter aggressive cytostatics. Erythrocyte dysfunction caused by direct cytotoxic damage might be a part of the problem of chemotherapy-induced anemia-one of the most frequent side effects. The aim of the current study is to evaluate the functional status of RBCs exposed to mono and combinations of widely used commercial pharmaceutical CT drugs with different action mechanisms: paclitaxel, carboplatin, cyclophosphamide, and doxorubicin, in vitro. Using laser diffraction, flow cytometry, and confocal microscopy, we show that paclitaxel, having a directed effect on cytoskeleton proteins, by itself and in combination with carboplatin, caused the most marked abnormalities-loss of control of volume regulation, resistance to osmotic load, and stomatocytosis. Direct simulations of RBCs' microcirculation in microfluidic channels showed both the appearance of a subpopulation of cells with impaired velocity (slow damaged cells) and an increased number of cases of occlusions. In contrast to paclitaxel, such drugs as carboplatin, cyclophosphamide, and doxorubicin, whose main target in cancer cells is DNA, showed significantly less cytotoxicity to erythrocytes in short-term exposure. However, the combination of drugs had an additive effect. While the obtained results should be confirmed in in vivo models, one can envisioned that such data could be used for minimizing anemia side effects during cancer chemotherapy.
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Affiliation(s)
- Elisaveta Skverchinskaya
- Sechenov Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences, 194223 Saint-Petersburg, Russia
| | - Nadezhda Levdarovich
- Laboratory of Renewable Energy Sources, Alferov University, 194021 Saint-Petersburg, Russia
| | - Alexander Ivanov
- Laboratory of Renewable Energy Sources, Alferov University, 194021 Saint-Petersburg, Russia
| | - Igor Mindukshev
- Sechenov Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences, 194223 Saint-Petersburg, Russia
| | - Anton Bukatin
- Laboratory of Renewable Energy Sources, Alferov University, 194021 Saint-Petersburg, Russia
- Institute for Analytical Instrumentation of the Russian Academy of Sciences, 198095 Saint-Petersburg, Russia
- Correspondence:
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5
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Rivelli Antonelli JF, Santander VS, Nigra AD, Monesterolo NE, Previtali G, Primo E, Otero LH, Casale CH. Prevention of tubulin/aldose reductase association delays the development of pathological complications in diabetic rats. J Physiol Biochem 2021; 77:565-576. [PMID: 34097242 DOI: 10.1007/s13105-021-00820-1] [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: 12/18/2020] [Accepted: 05/12/2021] [Indexed: 11/26/2022]
Abstract
In recent studies, we found that compounds derived from phenolic acids (CAFs) prevent the formation of the tubulin/aldose reductase complex and, consequently, may decrease the occurrence or delay the development of secondary pathologies associated with aldose reductase activation in diabetes mellitus. To verify this hypothesis, we determined the effect of CAFs on Na+,K+-ATPase tubulin-dependent activity in COS cells, ex vivo cataract formation in rat lenses and finally, to evaluate the antidiabetic effect of CAFs, diabetes mellitus was induced in Wistar rats, they were treated with different CAFs and four parameters were determinates: cataract formation, erythrocyte deformability, nephropathy and blood pressure. After confirming that CAFs are able to prevent the association between aldose reductase and tubulin, we found that treatment of diabetic rats with these compounds decreased membrane-associated acetylated tubulin, increased NKA activity, and thus reversed the development of four AR-activated complications of diabetes mellitus determined in this work. Based on these results, the existence of a new physiological mechanism is proposed, in which tubulin is a key regulator of aldose reductase activity. This mechanism can explain the incorrect functioning of aldose reductase and Na+,K+-ATPase, two key enzymes in the pathogenesis of diabetes mellitus. Moreover, we found that such alterations can be prevented by CAFs, which are able to dissociate tubulin/aldose reductase complex.
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Affiliation(s)
- Juan F Rivelli Antonelli
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, CP, Argentina
- INBIAS CONICET-UNRC, Instituto de Biotecnología Ambiental y Salud, Campus UNRC, Río Cuarto, 5800, Córdoba, CP, Argentina
| | - Verónica S Santander
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, CP, Argentina
- INBIAS CONICET-UNRC, Instituto de Biotecnología Ambiental y Salud, Campus UNRC, Río Cuarto, 5800, Córdoba, CP, Argentina
| | - Ayelen D Nigra
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, CP, Argentina
- INBIAS CONICET-UNRC, Instituto de Biotecnología Ambiental y Salud, Campus UNRC, Río Cuarto, 5800, Córdoba, CP, Argentina
| | - Noelia E Monesterolo
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, CP, Argentina
- INBIAS CONICET-UNRC, Instituto de Biotecnología Ambiental y Salud, Campus UNRC, Río Cuarto, 5800, Córdoba, CP, Argentina
| | - Gabriela Previtali
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, CP, Argentina
- INBIAS CONICET-UNRC, Instituto de Biotecnología Ambiental y Salud, Campus UNRC, Río Cuarto, 5800, Córdoba, CP, Argentina
| | - Emilianao Primo
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, CP, Argentina
- INBIAS CONICET-UNRC, Instituto de Biotecnología Ambiental y Salud, Campus UNRC, Río Cuarto, 5800, Córdoba, CP, Argentina
| | - Lisandro H Otero
- Instituto de Investigaciones Bioquímicas de Buenos Aires, IIBBA, CONICET - Fundación Instituto Leloir, Av Patricias Argentinas 435, C1405BWE, Buenos Aires, Argentina
| | - César H Casale
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800, Córdoba, CP, Argentina.
- INBIAS CONICET-UNRC, Instituto de Biotecnología Ambiental y Salud, Campus UNRC, Río Cuarto, 5800, Córdoba, CP, Argentina.
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6
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Ultra-Small Superparamagnetic Iron-Oxide Nanoparticles Exert Different Effects on Erythrocytes in Normotensive and Hypertensive Rats. Biomedicines 2021; 9:biomedicines9040377. [PMID: 33918438 PMCID: PMC8065606 DOI: 10.3390/biomedicines9040377] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/25/2021] [Accepted: 03/31/2021] [Indexed: 02/06/2023] Open
Abstract
We determined erythrocyte physiological and biochemical properties after the single and repeated administration of ultra-small superparamagnetic iron-oxide nanoparticles (USPIONs) in normotensive Wistar–Kyoto (WKY) and spontaneously hypertensive (SHR) rats. Polyethylene glycol-coated USPIONs (transmission electron microscope detected a mean size of ~30 nm and hydrodynamic size ~51 nm) were intravenously administered to rats either in one infusion at nominal dose 1 mg Fe/kg or in two infusions (administered with a difference of 24 h) at nominal dose 2 mg Fe/kg. Results showed that USPIONs did not deteriorate erythrocyte deformability, nitric oxide production, and osmotic resistance in both experimental settings. Both the single and repeated USPION administration elevated erythrocyte deformability in WKY. However, this effect was not present in SHR; deformability in USPION-treated SHR was significantly lower than in USPION-treated WKY. Nitric oxide production by erythrocytes was increased after a single USPION treatment in WKY, so it can be associated with improvement in erythrocyte deformability. Using biomagnetometry, we revealed significantly lower amounts of USPION-originated iron in erythrocytes in SHR compared with WKY. We found a much faster elimination of USPIONs from erythrocytes in hypertensive rats compared with the normotensive ones, which might be relevant for clinical practice in hypertensive patients undergoing clinical examination with the use of iron-oxide nanoparticles.
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Tamara M, Micaela BM, Gastón BC, Silvina SV, Edith MN, Horacio CC, Nazareno CA. Inhibition of flippase-like activity by tubulin regulates phosphatidylserine exposure in erythrocytes from hypertensive and diabetic patients. J Biochem 2021; 169:731-745. [PMID: 33576821 DOI: 10.1093/jb/mvab016] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 02/09/2021] [Indexed: 02/04/2023] Open
Abstract
Plasma membrane tubulin is an endogenous regulator of P-ATPases and the unusual accumulation of tubulin in the erythrocyte membrane results in a partial inhibition of some their activities, causing hemorheological disorders like reduced cell deformability and osmotic resistance. These disorders are of particular interest in hypertension and diabetes, where the abnormal increase in membrane tubulin may be related to the disease development. Phosphatidylserine is more exposed on the membrane of diabetic erythrocytes than in healthy cells. In most cells, phosphatidylserine is transported from the exoplasmic to the cytoplasmic leaflet of the membrane by lipid flippases. Here we report that phosphatidylserine is more exposed in erythrocytes from both hypertensive and diabetic patients than in healthy erythrocytes, which could be attributed to the inhibition of flippase activity by tubulin. This is supported by: (i)- the translocation rate of a fluorescent phosphatidylserine analog in hypertensive and diabetic erythrocytes was slower than in healthy cells, (ii)- the pharmacological variation of membrane tubulin in erythrocytes and K562 cells was linked to changes in phosphatidylserine translocation, (iii)- the P-ATPase-dependent phosphatidylserine translocation in inside-out vesicles from human erythrocytes was inhibited by tubulin. These results suggest that tubulin regulates flippase activity and hence the membrane phospholipid asymmetry.
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Affiliation(s)
- Muhlberger Tamara
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800 Córdoba, Argentina
| | - Balach Melisa Micaela
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800 Córdoba, Argentina.,INBIAS CONICET-UNRC. Instituto de Biotecnología Ambiental y Salud. Campus UNRC, Río Cuarto, Córdoba, Argentina
| | - Bisig Carlos Gastón
- Centro de Investigaciones en Química Biológica de Córdoba (CIQUIBIC), UNC-CONICET, Departamento de Química Biológica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Santander Verónica Silvina
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800 Córdoba, Argentina.,INBIAS CONICET-UNRC. Instituto de Biotecnología Ambiental y Salud. Campus UNRC, Río Cuarto, Córdoba, Argentina
| | - Monesterolo Noelia Edith
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800 Córdoba, Argentina.,INBIAS CONICET-UNRC. Instituto de Biotecnología Ambiental y Salud. Campus UNRC, Río Cuarto, Córdoba, Argentina
| | - Casale Cesar Horacio
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800 Córdoba, Argentina.,INBIAS CONICET-UNRC. Instituto de Biotecnología Ambiental y Salud. Campus UNRC, Río Cuarto, Córdoba, Argentina
| | - Campetelli Alexis Nazareno
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, 5800 Córdoba, Argentina.,INBIAS CONICET-UNRC. Instituto de Biotecnología Ambiental y Salud. Campus UNRC, Río Cuarto, Córdoba, Argentina
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8
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Londero CM, Riquelme BD. Simultaneous Determination of Human Erythrocyte Deformability and Adhesion Energy: A Novel Approach Using a Microfluidic Chamber and the "Glass Effect". Cell Biochem Biophys 2020; 79:49-55. [PMID: 33159300 DOI: 10.1007/s12013-020-00956-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/23/2020] [Indexed: 11/30/2022]
Abstract
The simultaneous determination of adhesion and deformability parameters of erythrocytes was carried out through a microfluidic device, which uses an inverted optical microscope with new image acquisition and analysis technologies. Also, an update of the models describing erythrocyte adhesion and deformation was proposed. Measurements were carried out with red blood cells suspended in saline solution with human serum albumin at different concentrations. Erythrocytes adhered to a glass surface were subjected to different low shear stress (from 0.04 to 0.25 Pa), causing cellular deformation and dissociation. The maximum value obtained of the erythrocyte deformability index was 0.3, and that of the adhesion energy per unit area was 1.1 × 10-6 Pa m, both according to previous works. The obtained images of RBCs adhered to glass reveal that the adhesion is stronger in a single point of the cell, suggesting a ligand migration that concentrates the adhesion in a "spike-like tip" in the cell. Moreover, adhesion energy results indicate that the energy required to separate erythrocytes in media with a lower albumin concentration is greater. Both results could be explained by the mobility of membrane receptors.
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Affiliation(s)
- Carolina M Londero
- Área Física, Facultad de Cs Bioquímicas y Farmacéuticas (UNR), Suipacha 531, 20000, Rosario, Santa Fe, Argentina
- Instituto de Física Rosario (CONICET, UNR), Bv. 27 de febrero 210 bis, 20000, Rosario, Santa Fe, Argentina
- Facultad de Cs Exactas, Ingeniería y Agrimensura (UNR), Pellegrini 250, 20000, Rosario, Santa Fe, Argentina
| | - Bibiana D Riquelme
- Área Física, Facultad de Cs Bioquímicas y Farmacéuticas (UNR), Suipacha 531, 20000, Rosario, Santa Fe, Argentina.
- Instituto de Física Rosario (CONICET, UNR), Bv. 27 de febrero 210 bis, 20000, Rosario, Santa Fe, Argentina.
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9
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Nigra AD, Casale CH, Santander VS. Human erythrocytes: cytoskeleton and its origin. Cell Mol Life Sci 2020; 77:1681-1694. [PMID: 31654099 PMCID: PMC11105037 DOI: 10.1007/s00018-019-03346-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 09/27/2019] [Accepted: 10/16/2019] [Indexed: 01/02/2023]
Abstract
In the last few years, erythrocytes have emerged as the main determinant of blood rheology. In mammals, these cells are devoid of nuclei and are, therefore, unable to divide. Consequently, all circulating erythrocytes come from erythropoiesis, a process in the bone marrow in which several modifications are induced in the expression of membrane and cytoskeletal proteins, and different vertical and horizontal interactions are established between them. Cytoskeleton components play an important role in this process, which explains why they and the interaction between them have been the focus of much recent research. Moreover, in mature erythrocytes, the cytoskeleton integrity is also essential, because the cytoskeleton confers remarkable deformability and stability on the erythrocytes, thus enabling them to undergo deformation in microcirculation. Defects in the cytoskeleton produce changes in erythrocyte deformability and stability, affecting cell viability and rheological properties. Such abnormalities are seen in different pathologies of special interest, such as different types of anemia, hypertension, and diabetes, among others. This review highlights the main findings in mammalian erythrocytes and their progenitors regarding the presence, conformation and function of the three main components of the cytoskeleton: actin, intermediate filaments, and tubulin.
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Affiliation(s)
- Ayelén D Nigra
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Químicas, Centro de Investigaciones en Química Biológica de Córdoba (CIQUIBIC), UNC-CONICET, Universidad Nacional de Córdoba, 5000, Córdoba, Argentina
| | - Cesar H Casale
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina
| | - Verónica S Santander
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina.
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10
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Kang YJ. Simultaneous measurement method of erythrocyte sedimentation rate and erythrocyte deformability in resource-limited settings. Physiol Meas 2020; 41:025009. [PMID: 32000147 DOI: 10.1088/1361-6579/ab71f3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVE The individual effects of plasma and red blood cells (RBCs) on the biophysical properties of blood can be monitored by measuring the erythrocyte sedimentation rate (ESR) and RBC deformability simultaneously. However, the previous methods require bulky and expensive facilities (i.e. microscope, high-speed camera, and syringe pump) to deliver blood or capture blood flows. APPROACH To resolve these issues, a simple method for sequential measurement of the ESR and RBC deformability is demonstrated by quantifying the cell-free volume (V CF ), cell-rich volume (V CR ), and blood volume (V B ) inside an air-compressed syringe (ACS). A microfluidic device consists of multiple micropillar channels, an inlet, and outlet. After the ACS is filled with air (V air = 0.4 ml) and a blood sample (V B = 0.6 ml, hematocrit = 30%) sequentially, the ACS is fitted into the inlet. The cavity inside the ACS is compressed to V comp = 0.4 ml after closing the outlet with a stopper. A smartphone camera is employed to capture variations in the V CF , V CR , and V B inside the ACS. The ESR index suggested in this study (ESR PM ) is obtained by dividing the V CF (t = t 1) with an elapse of t 1. By removing the stopper, ΔV B (ΔV B = V B [t = t 1] - V B ) is obtained and fitted as a two-term exponential model ([Formula: see text]. As a performance demonstration, the proposed method is employed to detect an ESR-enhanced blood sample, homogeneous hardened blood sample, and heterogeneous blood sample. MAIN RESULTS From the experimental results, it is found that the proposed method has the ability to detect various bloods by quantifying the ESR PM and two coefficients (a, b) simultaneously. SIGNIFICANCE In conclusion, the present method can be effectively used to measure the ESR and RBC deformability in resource-limited settings.
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Affiliation(s)
- Yang Jun Kang
- Department of Mechanical Engineering, Chosun University, 309 Pilmun-daero, Dong-gu, Gwangju 61452, Republic of Korea
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11
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Balach MM, Casale CH, Campetelli AN. Erythrocyte plasma membrane potential: past and current methods for its measurement. Biophys Rev 2019; 11:995-1005. [PMID: 31741171 DOI: 10.1007/s12551-019-00603-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 10/28/2019] [Indexed: 01/08/2023] Open
Abstract
The plasma membrane functions both as a natural insulator and a diffusion barrier to the movement of ions. A wide variety of proteins transport and pump ions to generate concentration gradients that result in voltage differences, while ion channels allow ions to move across the membrane down those gradients. Plasma membrane potential is the difference in voltage between the inside and the outside of a biological cell, and it ranges from ~- 3 to ~- 90 mV. Most of the most significant discoveries in this field have been made in excitable cells, such as nerve and muscle cells. Nevertheless, special attention has been paid to some events controlled by changes in membrane potential in non-excitable cells. The origins of several blood disorders, for instance, are related to disturbances at the level of plasma membrane in erythrocytes, the structurally simplest red blood cells. The high simplicity of erythrocytes, in particular, made them perfect candidates for the electrophysiological studies that laid the foundations for understanding the generation, maintenance, and roles of membrane potential. This article summarizes the methodologies that have been used during the past decades to determine Δψ in red blood cells, from seminal microelectrodes, through the use of nuclear magnetic resonance or lipophilic radioactive ions to quantify intra and extracellular ions, to continuously renewed fluorescent potentiometric dyes. We have attempted to highlight the advantages and disadvantages of each methodology, as well as to provide a description of the technical aspects involved.
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Affiliation(s)
- Melisa M Balach
- INBIAS-CONICET, Ruta Nacional 36, Km 601, Río Cuarto, Cordoba, Argentina.,Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional 36, Km 601, Río Cuarto, Cordoba, Argentina
| | - Cesar H Casale
- INBIAS-CONICET, Ruta Nacional 36, Km 601, Río Cuarto, Cordoba, Argentina.,Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional 36, Km 601, Río Cuarto, Cordoba, Argentina
| | - Alexis N Campetelli
- INBIAS-CONICET, Ruta Nacional 36, Km 601, Río Cuarto, Cordoba, Argentina. .,Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional 36, Km 601, Río Cuarto, Cordoba, Argentina.
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12
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Microfluidic-Based Biosensor for Sequential Measurement of Blood Pressure and RBC Aggregation Over Continuously Varying Blood Flows. MICROMACHINES 2019; 10:mi10090577. [PMID: 31480325 PMCID: PMC6780160 DOI: 10.3390/mi10090577] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/23/2019] [Accepted: 08/28/2019] [Indexed: 12/18/2022]
Abstract
Aggregation of red blood cells (RBCs) varies substantially depending on changes of several factors such as hematocrit, membrane deformability, and plasma proteins. Among these factors, hematocrit has a strong influence on the aggregation of RBCs. Thus, while measuring RBCs aggregation, it is necessary to monitor hematocrit or, additionally, the effect of hematocrit (i.e., blood viscosity or pressure). In this study, the sequential measurement method of pressure and RBC aggregation is proposed by quantifying blood flow (i.e., velocity and image intensity) through a microfluidic device, in which an air-compressed syringe (ACS) is used to control the sample injection. The microfluidic device used is composed of two channels (pressure channel (PC), and blood channel (BC)), an inlet, and an outlet. A single ACS (i.e., air suction = 0.4 mL, blood suction = 0.4 mL, and air compression = 0.3 mL) is employed to supply blood into the microfluidic channel. At an initial time (t < 10 s), the pressure index (PI) is evaluated by analyzing the intensity of microscopy images of blood samples collected inside PC. During blood delivery with ACS, shear rates of blood flows vary continuously over time. After a certain amount of time has elapsed (t > 30 s), two RBC aggregation indices (i.e., SEAI: without information on shear rate, and erythrocyte aggregation index (EAI): with information on shear rate) are quantified by analyzing the image intensity and velocity field of blood flow in BC. According to experimental results, PI depends significantly on the characteristics of the blood samples (i.e., hematocrit or base solutions) and can be used effectively as an alternative to blood viscosity. In addition, SEAI and EAI also depend significantly on the degree of RBC aggregation. In conclusion, on the basis of three indices (two RBC aggregation indices and pressure index), the proposed method is capable of measuring RBCs aggregation consistently using a microfluidic device.
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13
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Santander VS, Campetelli AN, Monesterolo NE, Rivelli JF, Nigra AD, Arce CA, Casale CH. Tubulin-Na + , K + -ATPase interaction: Involvement in enzymatic regulation and cellular function. J Cell Physiol 2018; 234:7752-7763. [PMID: 30378111 DOI: 10.1002/jcp.27610] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 09/21/2018] [Indexed: 12/22/2022]
Abstract
A new function for tubulin was described by our laboratory: acetylated tubulin forms a complex with Na+ ,K + -ATPase (NKA) and inhibits its activity. This process was shown to be a regulatory factor of physiological importance in cultured cells, human erythrocytes, and several rat tissues. Formation of the acetylated tubulin-NKA complex is reversible. We demonstrated that in cultured cells, high concentrations of glucose induce translocation of acetylated tubulin from cytoplasm to plasma membrane with a consequent inhibition of NKA activity. This effect is reversed by adding glutamate, which is coctransported to the cell with Na + . Another posttranslational modification of tubulin, detyrosinated tubulin, is also involved in the regulation of NKA activity: it enhances the NKA inhibition induced by acetylated tubulin. Manipulation of the content of these modifications of tubulin could work as a new strategy to maintain homeostasis of Na + and K + , and to regulate a variety of functions in which NKA is involved, such as osmotic fragility and deformability of human erythrocytes. The results summarized in this review show that the interaction between tubulin and NKA plays an important role in cellular physiology, both in the regulation of Na + /K + homeostasis and in the rheological properties of the cells, which is mechanically different from other roles reported up to now.
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Affiliation(s)
- Veronica S Santander
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba, Argentina
| | - Alexis N Campetelli
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba, Argentina
| | - Noelia E Monesterolo
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba, Argentina
| | - Juan F Rivelli
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba, Argentina
| | - Ayelen D Nigra
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba, Argentina
| | - Carlos A Arce
- entro de Investigaciones en Química Biológica de Córdoba (CIQUIBIC), UNC-CONICET, Departamento de Química Biológica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba, Argentina
| | - César H Casale
- Departamento de Biología Molecular, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba, Argentina
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14
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Nigra AD, Santander VS, Dircio-Maldonado R, Amaiden MR, Monesterolo NE, Flores-Guzmán P, Muhlberger T, Rivelli JF, Campetelli AN, Mayani H, Casale CH. Tubulin is retained throughout the human hematopoietic/erythroid cell differentiation process and plays a structural role in sedimentable fraction of mature erythrocytes. Int J Biochem Cell Biol 2017; 91:29-36. [PMID: 28855121 DOI: 10.1016/j.biocel.2017.08.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 07/14/2017] [Accepted: 08/23/2017] [Indexed: 12/24/2022]
Abstract
We investigated the properties of tubulin present in the sedimentable fraction ("Sed-tub") of human erythrocytes, and tracked the location and organization of tubulin in various types of cells during the process of hematopoietic/erythroid differentiation. Sed-tub was sensitive to taxol/nocodazole (drugs that modify microtubule assembly/disassembly), but was organized as part of a protein network rather than in typical microtubule form. This network had a non-uniform "connected-ring" structure, with tubulin localized in the connection areas and associated with other proteins. When tubulin was eliminated from Sed-tub fraction, this connected-ring structure disappeared. Spectrin, a major protein component in Sed-tub fraction, formed a complex with tubulin. During hematopoietic differentiation, tubulin shifts from typical microtubule structure (in pro-erythroblasts) to a disorganized structure (in later stages), and is retained in reticulocytes following enucleation. Thus, tubulin is not completely lost when erythrocytes mature; it continues to play a structural role in the Sed-tub fraction.
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Affiliation(s)
- Ayelén D Nigra
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba 5800, Argentina
| | - Verónica S Santander
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba 5800, Argentina
| | - Roberto Dircio-Maldonado
- Hematopoietic Stem Cells Laboratory, Oncology Research Unit, IMSS National Medical Center, Mexico City, Mexico
| | - Marina Rafaela Amaiden
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba 5800, Argentina
| | - Noelia E Monesterolo
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba 5800, Argentina
| | - Patricia Flores-Guzmán
- Hematopoietic Stem Cells Laboratory, Oncology Research Unit, IMSS National Medical Center, Mexico City, Mexico
| | - Tamara Muhlberger
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba 5800, Argentina
| | - Juan F Rivelli
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba 5800, Argentina
| | - Alexis N Campetelli
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba 5800, Argentina
| | - Héctor Mayani
- Hematopoietic Stem Cells Laboratory, Oncology Research Unit, IMSS National Medical Center, Mexico City, Mexico
| | - Cesar H Casale
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Río Cuarto, Córdoba 5800, Argentina.
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15
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Xanthopoulos A, Giamouzis G, Melidonis A, Kitai T, Paraskevopoulou E, Paraskevopoulou P, Patsilinakos S, Triposkiadis F, Skoularigis J. Red blood cell distribution width as a prognostic marker in patients with heart failure and diabetes mellitus. Cardiovasc Diabetol 2017; 16:81. [PMID: 28683798 PMCID: PMC5501451 DOI: 10.1186/s12933-017-0563-1] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 06/20/2017] [Indexed: 02/08/2023] Open
Abstract
Background Red blood cell distribution width (RDW) is an established prognostic marker in acute and chronic heart failure (HF). Recent studies have pointed out a link among RDW, diabetes mellitus (DM) and inflammation. We sought to investigate the prognostic value and longitudinal pattern of RDW in patients with concomitant HF and DM, which remains unknown. Methods A total of 218 patients (71 diabetics) who presented with acute HF had RDW measured at admission, discharge and 4, 8 and 12 months post-discharge. The study endpoint was all-cause mortality or rehospitalization for HF during 1-year follow-up. Results The study endpoint was met in 33 patients (46.5%) with DM and in 54 patients (36.7%) without DM. RDW at admission was associated with higher event rate both in HF patients with and without DM (adjusted HR: 1.349, p = 0.002, 95% CI 1.120–1.624 and adjusted HR: 1.142, p = 0.033, 95% CI 1.011–1.291 respectively). In addition, a significant interaction was found between diabetes and RDW longitudinal changes (βinteraction = −0.002; SE = 0.001; p = 0.042). Conclusions Despite the similar prognostic significance of RDW in diabetic and non-diabetic HF patients regarding the study endpoint, longitudinal changes were found to be significantly different between these two groups of HF patients. This might be due to the higher inflammatory burden that diabetic HF patients carry and may provide new insights to the pathophysiological mechanism of RDW increase in HF, which remains unknown.
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Affiliation(s)
- Andrew Xanthopoulos
- Department of Cardiology, University General Hospital of Larissa, P.O. Box 1425, 411 10, Larissa, Greece.
| | - Gregory Giamouzis
- Department of Cardiology, University General Hospital of Larissa, P.O. Box 1425, 411 10, Larissa, Greece
| | | | - Takeshi Kitai
- Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital, Kobe, Japan
| | | | | | | | - Filippos Triposkiadis
- Department of Cardiology, University General Hospital of Larissa, P.O. Box 1425, 411 10, Larissa, Greece
| | - John Skoularigis
- Department of Cardiology, University General Hospital of Larissa, P.O. Box 1425, 411 10, Larissa, Greece
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16
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Dang G, Yang Y, Wu G, Hua Y, Keep RF, Xi G. Early Erythrolysis in the Hematoma After Experimental Intracerebral Hemorrhage. Transl Stroke Res 2016; 8:174-182. [PMID: 27783383 DOI: 10.1007/s12975-016-0505-3] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 10/11/2016] [Accepted: 10/13/2016] [Indexed: 12/14/2022]
Abstract
Erythrolysis occurs in the clot after intracerebral hemorrhage (ICH), and the release of hemoglobin causes brain injury, but it is unclear when such lysis occurs. The present study examined early erythrolysis in rats. ICH rats had an intracaudate injection of 100 μl autologous blood, and sham rats had a needle insertion. All rats had T2 and T2* magnetic response imaging (MRI) scanning, and brains were used for histology and CD163 (a hemoglobin scavenger receptor) and DARPP-32 (a neuronal marker) immunohistochemistry. There was marked heterogeneity within the hematoma on T2* MRI, with a hyperintense or isointense core and a hypointense periphery. Hematoxylin and eosin staining in the same animals showed significant erythrolysis in the core with the formation of erythrocyte ghosts. The degree of erythrolysis correlated with the severity of perihematomal neuronal loss. Perihematomal CD163 was increased by day 1 after ICH and may be involved in clearing hemoglobin caused by early hemolysis. Furthermore, ICH resulted in more severe erythrolysis, neuronal loss, and perihematomal CD163 upregulation in spontaneously hypertensive rats compared to Wistar-Kyoto rats. In conclusion, T2*MRI-detectable early erythrolysis occurred in the clot after ICH and activated CD163. Hypertension is associated with enhanced erythrolysis in the hematoma.
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Affiliation(s)
- Ge Dang
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA.,Department of Neurology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Yuefan Yang
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA.,Department of Neurosurgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Gang Wu
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
| | - Ya Hua
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
| | - Richard F Keep
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
| | - Guohua Xi
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA. .,R5018 BSRB, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI, 48109-2200, USA.
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17
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Alterations of hemorheological parameters and tubulin content in erythrocytes from diabetic subjects. Int J Biochem Cell Biol 2016; 74:109-20. [DOI: 10.1016/j.biocel.2016.02.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Revised: 12/02/2015] [Accepted: 02/20/2016] [Indexed: 12/14/2022]
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18
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Altered erythrocyte membrane protein composition mirrors pleiotropic effects of hypertension susceptibility genes and disease pathogenesis. J Hypertens 2015; 33:2265-77. [DOI: 10.1097/hjh.0000000000000699] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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19
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Monesterolo NE, Nigra AD, Campetelli AN, Santander VS, Rivelli JF, Arce CA, Casale CH. PMCA activity and membrane tubulin affect deformability of erythrocytes from normal and hypertensive human subjects. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2015; 1848:2813-20. [DOI: 10.1016/j.bbamem.2015.08.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2015] [Revised: 08/12/2015] [Accepted: 08/16/2015] [Indexed: 11/30/2022]
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20
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Odashiro K, Saito K, Arita T, Maruyama T, Fujino T, Akashi K. Impaired deformability of circulating erythrocytes obtained from nondiabetic hypertensive patients: investigation by a nickel mesh filtration technique. Clin Hypertens 2015; 21:17. [PMID: 26893927 PMCID: PMC4750801 DOI: 10.1186/s40885-015-0030-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2015] [Accepted: 07/10/2015] [Indexed: 11/10/2022] Open
Abstract
Introduction Hypertension is associated with microcirculatory disturbance, and erythrocyte deformability is a major determinant of the microcirculation. However, impairment of erythrocyte deformability in hypertensive patients in relation to antihypertensive treatment is unclear. The present study aimed to investigate this impairment in hypertensive patients under treatment using a highly sensitive and quantitative nickel mesh filtration technique. Methods Deformability was evaluated by filterability, defined as the flow rate of a hematocrit-adjusted erythrocyte suspension relative to that of saline under a specific filtration pressure in a pressure-flow curve obtained by continuous filtration. Baseline characteristics of hypertensive patients (n = 101) and age-matched normotensive subjects (n = 14) were obtained from medical records, and diabetic patients were excluded. Results Erythrocyte deformability in the hypertensive group was significantly (p = 0.010) lower (87.8 ± 2.2 %) than that of the normotensive group (89.4 ± 1.7 %) and inversely proportional (r = −0.303, p = 0.002) to the mean blood pressure (BP) measured on blood sampling for the filtration study. Stepwise multiple regression analysis demonstrated that this impairment was mostly attributable to the mean BP (p = 0.001), whereas current smoking and episodes of stroke or coronary artery disease were not contributors. Discussion These findings indicate that erythrocyte deformability is impaired in the hypertensive patients, which depends on the current BP control rather than target organ damage.
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Affiliation(s)
- Keita Odashiro
- Department of Medicine, Kyushu University, Fukuoka, 812-8582 Japan
| | | | - Takeshi Arita
- Department of Medicine, Kyushu University, Fukuoka, 812-8582 Japan
| | - Toru Maruyama
- Faculty of Art and Science, Kyushu University, Kasuga Kohen 6-1, Kasuga, 816-8580 Japan
| | - Takehiko Fujino
- Institute of Rheological Function of Foods Co., Ltd, Hisayama, 811-2501 Japan
| | - Koichi Akashi
- Department of Medicine, Kyushu University, Fukuoka, 812-8582 Japan
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21
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Amaiden MR, Santander VS, Monesterolo NE, Nigra AD, Rivelli JF, Campetelli AN, Pie J, Casale CH. Effects of detyrosinated tubulin on Na+
,K+
-ATPase activity and erythrocyte function in hypertensive subjects. FEBS Lett 2014; 589:364-73. [DOI: 10.1016/j.febslet.2014.12.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Revised: 11/27/2014] [Accepted: 12/12/2014] [Indexed: 10/24/2022]
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22
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Jun Kang Y, Lee SJ. Blood viscoelasticity measurement using steady and transient flow controls of blood in a microfluidic analogue of Wheastone-bridge channel. BIOMICROFLUIDICS 2013; 7:54122. [PMID: 24396531 PMCID: PMC3829929 DOI: 10.1063/1.4827355] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Accepted: 10/16/2013] [Indexed: 05/06/2023]
Abstract
Accurate measurement of blood viscoelasticity including viscosity and elasticity is essential in estimating blood flows in arteries, arterials, and capillaries and in investigating sub-lethal damage of RBCs. Furthermore, the blood viscoelasticity could be clinically used as key indices in monitoring patients with cardiovascular diseases. In this study, we propose a new method to simultaneously measure the viscosity and elasticity of blood by simply controlling the steady and transient blood flows in a microfluidic analogue of Wheastone-bridge channel, without fully integrated sensors and labelling operations. The microfluidic device is designed to have two inlets and outlets, two side channels, and one bridge channel connecting the two side channels. Blood and PBS solution are simultaneously delivered into the microfluidic device as test fluid and reference fluid, respectively. Using a fluidic-circuit model for the microfluidic device, the analytical formula is derived by applying the linear viscoelasticity model for rheological representation of blood. First, in the steady blood flow, the relationship between the viscosity of blood and that of PBS solution (μBlood /μPBS ) is obtained by monitoring the reverse flows in the bridge channel at a specific flow-rate rate (QPBS (SS) /QBlood (L) ). Next, in the transient blood flow, a sudden increase in the blood flow-rate induces the transient behaviors of the blood flow in the bridge channel. Here, the elasticity (or characteristic time) of blood can be quantitatively measured by analyzing the dynamic movement of blood in the bridge channel. The regression formula (ABlood (t) = A α + A β exp [-(t - t 0 )/λBlood ]) is selected based on the pressure difference (ΔP = PA - PB ) at each junction (A, B) of both side channels. The characteristic time of blood (λBlood ) is measured by analyzing the area (ABlood ) filled with blood in the bridge channel by selecting an appropriate detection window in the microscopic images captured by a high-speed camera (frame rate = 200 Hz, total measurement time = 7 s). The elasticity of blood (GBlood ) is identified using the relationship between the characteristic time and the viscosity of blood. For practical demonstrations, the proposed method is successfully applied to evaluate the variations in viscosity and elasticity of various blood samples: (a) various hematocrits form 20% to 50%, (b) thermal-induced treatment (50 °C for 30 min), (c) flow-induced shear stress (53 ± 0.5 mL/h for 120 min), and (d) normal rat versus spontaneously hypertensive rat. Based on these experimental demonstrations, the proposed method can be effectively used to monitor variations in viscosity and elasticity of bloods, even with the absence of fully integrated sensors, tedious labeling and calibrations.
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Affiliation(s)
- Yang Jun Kang
- Center for Biofluid and Biomimic Research, Pohang University of Science and Technology, Pohang, South Korea
| | - Sang-Joon Lee
- Center for Biofluid and Biomimic Research, Pohang University of Science and Technology, Pohang, South Korea ; Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, South Korea
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