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Yin R, Wu Y, Li M, Liu C, Pu X, Yi W. Association between high-altitude polycythemia and hypertension: a cross-sectional study in adults at Tibetan ultrahigh altitudes. J Hum Hypertens 2024; 38:555-560. [PMID: 38802600 PMCID: PMC11239486 DOI: 10.1038/s41371-024-00916-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 05/03/2024] [Accepted: 05/13/2024] [Indexed: 05/29/2024]
Abstract
The study aimed to evaluate the association between high-altitude polycythemia and hypertension in adults residing on Anduo County's plateau, which is located 4700 meters above sea level. A total of 387 individuals participated in the cross-sectional survey conducted between April and May of 2021. Interviews, physical inspections, and laboratory tests were employed to gather information about all of the subjects. The association between high-altitude polycythemia and hypertension was assessed using multivariable logistic regression models. The average age of the 387 participants was 32.6 ± 6.3 years. Of these participants, 260 (67%) were male. The overall prevalence of hypertension was 27.1% (57/380). When stratified by gender, the prevalence was 12.6% (16/127) in females and 34.2% (89/260) in males. The overall prevalence of high-altitude polycythemia was 19.6% (76/387). When stratified by gender, the prevalence was 26.2% (68/260) in males and 6.3% (8/127) in females. During logistic regression analysis, we found that participants with elevated hemoglobin per 10 g/L had a 26% greater risk of hypertension (adjusting for odds ratio [OR], 1.26; 95% confidence interval [CI], 1.11-1.44). Additionally, high-altitude polycythemia greatly increased the risk of hypertension in comparison to non-high-altitude polycythemia (OR, 3.01; 95% CI, 1.66-5.44, P < 0.001). The consistency of the results was further demonstrated by stratified and interaction analyses, showing that Hans individuals had a higher risk of hypertension. High-altitude polycythemia is positively associated with hypertension in adults residing at Tibetan ultrahigh altitudes. The results of the investigation may aid in the planning of future research and guide the development of targeted healthcare practices for high-altitude populations, particularly among Han Chinese residents of the Tibetan Plateau.
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Affiliation(s)
- Rong Yin
- Department of Nephrology, Hospital of Chengdu Office of People's Government of Tibet Autonomous Region, Chengdu, Sichuan, China
| | - Yunhong Wu
- Department of Endocrinology, Hospital of Chengdu Office of People's Government of Tibet Autonomous Region, Chengdu, Sichuan, China.
| | - Man Li
- Department of Radiology, Hospital of Chengdu Office of People's Government of Tibet Autonomous Region, Chengdu, Sichuan, China
| | - Chunrong Liu
- Intensive Care Unit, Hospital of Chengdu Office of People's Government of Tibet Autonomous Region, Chengdu, Sichuan, China
| | - Xue Pu
- Department of Gastroenterology, Hospital of Chengdu Office of People's Government of Tibet Autonomous Region, Chengdu, Sichuan, China
| | - Wen Yi
- Surgical Unit, Hospital of Chengdu Office of People's Government of Tibet Autonomous Region, Chengdu, Sichuan, China
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2
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Krecak I, Verstovsek S, Lucijanic M. Optimization of cardiovascular risk factor management in patients with BCR::ABL1 negative chronic myeloproliferative neoplasms, current knowledge, and perspectives. Ann Hematol 2024; 103:1513-1523. [PMID: 37665349 DOI: 10.1007/s00277-023-05426-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 08/24/2023] [Indexed: 09/05/2023]
Abstract
The exact prognostic role of cardiovascular (CV) risk factors in patients with BCR::ABL1 negative chronic myeloproliferative neoplasms (MPNs) remains unknown as it is often masked by other MPN-related features that bear strong prognostic impact on thrombotic risk. Therefore, current MPN treatment is not primarily guided by presence of CV risk factors. Treatment of CV risk factors in MPN patients usually mirrors that from the general population, despite the fact that CV risk factors in MPNs have their own specificities. Moreover, the optimal target levels for different metabolic deflections in MPNs (i.e., low-density lipoprotein, serum uric acid, or glycated hemoglobin levels) have not been defined. In the current review, we separately discuss the most important aspects of every individual CV risk factor (arterial hypertension, hyperlipidemia, chronic kidney disease, smoking, diabetes mellitus, hyperuricemia, and obesity and cachexia) in MPNs, summarize recent advances in the field, and propose future directions and research areas which may be needed to appropriately manage CV risk factors in MPNs.
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Affiliation(s)
- Ivan Krecak
- Department of Internal Medicine, General Hospital of Sibenik-Knin County, Stjepana Radića 83, 22000, Sibenik, Croatia.
- Faculty of Medicine, University of Rijeka, Rijeka, Croatia.
- University of Applied Sciences, Sibenik, Croatia.
| | | | - Marko Lucijanic
- Department of Hematology, University Hospital Dubrava, Zagreb, Croatia
- School of Medicine, University of Zagreb, Zagreb, Croatia
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Liu X, Yang C, Zhang X, Ye R, Li X, Zhang Z, Jia S, Sun L, Meng Q, Chen X. Association between hemoglobin concentration and hypertension risk in native Tibetans at high altitude. J Clin Hypertens (Greenwich) 2024; 26:17-23. [PMID: 37724706 PMCID: PMC10795086 DOI: 10.1111/jch.14726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/03/2023] [Accepted: 09/04/2023] [Indexed: 09/21/2023]
Abstract
Previous studies examining the association between hemoglobin concentration and hypertension have yielded inconsistent results. There is still a lack of evidence regarding the association between hemoglobin concentration and hypertension risk in native Tibetans at high altitude. We performed this cross-sectional study in Luhuo County of Ganzi Tibetan Autonomous Prefecture (average altitude of 3500 m). In this study, we enrolled 1547 native Tibetans. The association between hemoglobin concentration and hypertension risk was examined by multivariate binary logistic regression and smooth curve fitting. Native Tibetans with hypertension had significantly higher hemoglobin concentrations than those without hypertension (165.9 ± 21.5 g/L vs. 157.7 ± 19.2 g/L, P < 0.001). An increase in hemoglobin concentration of 1 g/L was associated with hypertension (odds ratio [OR] 1.02, 95% confidence interval [CI] 1.01-1.02) after confounder adjustment. The highest hemoglobin concentration group (exceeding 173 g/L) was associated with an increased hypertension risk compared with the bottom quartile of hemoglobin concentration (OR 2.39, 95% CI 1.48-3.85). Hemoglobin concentration (per 1 g/L change) exceeding 176 g/L was significantly associated with an increased hypertension risk (OR 1.04, 95% CI 1.03-1.06). Additionally, high-altitude polycythemia significantly increased the hypertension risk compared with a normal hemoglobin concentration (OR 2.92, 95% CI 1.25-6.86). A similar result was observed for mild polycythemia (OR 1.74, 95% CI 1.29-2.34). In conclusion, hemoglobin concentration was associated with hypertension risk in native Tibetans. When the hemoglobin concentration exceeded a certain value (approximately 176 g/L), the risk of hypertension was significantly increased.
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Affiliation(s)
- Xueting Liu
- Department of CardiologyWest China Hospital of Sichuan UniversityChengduChina
| | - Changqiang Yang
- Department of CardiologyWest China Hospital of Sichuan UniversityChengduChina
| | - Xin Zhang
- Department of CardiologyWest China Hospital of Sichuan UniversityChengduChina
| | - Runyu Ye
- Department of CardiologyWest China Hospital of Sichuan UniversityChengduChina
| | - Xinran Li
- Department of CardiologyWest China Hospital of Sichuan UniversityChengduChina
| | - Zhipeng Zhang
- Department of CardiologyWest China Hospital of Sichuan UniversityChengduChina
| | - Shanshan Jia
- Department of CardiologyWest China Hospital of Sichuan UniversityChengduChina
| | - Lirong Sun
- Department of CardiologyWest China Hospital of Sichuan UniversityChengduChina
| | - Qingtao Meng
- Department of CardiologyWest China Hospital of Sichuan UniversityChengduChina
| | - Xiaoping Chen
- Department of CardiologyWest China Hospital of Sichuan UniversityChengduChina
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Pescia C, Lopez G, Cattaneo D, Bucelli C, Gianelli U, Iurlo A. The molecular landscape of myeloproliferative neoplasms associated with splanchnic vein thrombosis: Current perspective. Leuk Res 2024; 136:107420. [PMID: 38016412 DOI: 10.1016/j.leukres.2023.107420] [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: 06/26/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/30/2023]
Abstract
BCR::ABL1-negative myeloproliferative neoplasms (MPNs) are classically represented by polycythemia vera, essential thrombocythemia, and primary myelofibrosis. BCR::ABL1-negative MPNs are significantly associated with morbidity and mortality related to an increased risk of thrombo-hemorrhagic events. They show a consistent association with splanchnic vein thrombosis (SVT), either represented by the portal, mesenteric or splenic vein thrombosis, or Budd-Chiari Syndrome. SVT is also a frequent presenting manifestation of MPN. MPNs associated with SVT show a predilection for younger women, high association with JAK2V617F mutation, low JAK2V617F variant allele frequency (generally <10 %), and low rates of CALR, MPL, or JAK2 exon 12 mutations. Next-Generation Sequencing techniques have contributed to deepening our knowledge of the molecular landscape of such cases, with potential diagnostic and prognostic implications. In this narrative review, we analyze the current perspective on the molecular background of MPN associated with SVT, pointing as well future directions in this field.
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Affiliation(s)
- Carlo Pescia
- Unit of Anatomic Pathology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
| | - Gianluca Lopez
- Unit of Anatomic Pathology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Biomedical, Surgical and Dental Sciences, University of Milan, Italy
| | - Daniele Cattaneo
- Hematology Division, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Cristina Bucelli
- Hematology Division, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Umberto Gianelli
- Department of Health Sciences, University of Milan, Milan, Italy; Unit of Anatomic Pathology, ASST Santi Paolo e Carlo, Milan, Italy
| | - Alessandra Iurlo
- Hematology Division, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
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Primary Arterial Hypertension and Drug-Induced Hypertension in Philadelphia-Negative Classical Myeloproliferative Neoplasms: A Systematic Review. Biomedicines 2023; 11:biomedicines11020388. [PMID: 36830925 PMCID: PMC9952891 DOI: 10.3390/biomedicines11020388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/24/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
The impact of primary arterial hypertension (HTN) in myeloproliferative neoplasms (MPNs) remains unclear, with scant literature available, mostly focusing on cardiovascular risk factors as a singular entity or on organ-specific HTN. Furthermore, available studies reporting findings on drug-induced HTN in MPNs report varying and contradictory findings. In consideration of the above, this study set out to systematically review the available literature and shed light on the occurrence of HTN in MPNs, its association with thrombosis, as well as the drugs used in MPN management that could increase blood pressure. The literature search yielded 598 potentially relevant records of which 315 remained after the duplicates (n = 283) were removed. After we screened the titles and the abstracts of these publications, we removed irrelevant papers (n = 228) and evaluated the full texts of 87 papers. Furthermore, 13 records did not meet the inclusion criteria and were excluded from the systematic review. Finally, a total of 74 manuscripts were entered into the qualitative synthesis and included in the present systematic review. Our systematic review highlights that HTN is the most common comorbidity encountered in MPNs, with an impact on both the occurrence of thrombosis and survival. Moreover, drug-induced HTN remains a challenge in the management of MPNs. Further research should investigate the characteristics of patients with MPNs and HTN, as well as clarify the contribution of HTN to the development of thrombotic complications, survival and management in MPNs. In addition, the relationship between clonal hematopoiesis of indeterminate potential, HTN, cardiovascular disease and MPNs requires examination in upcoming assessments.
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Splanchnic Vein Thrombosis in Myeloproliferative Neoplasms: Treatment Considerations and Unmet Needs. Cancers (Basel) 2022; 15:cancers15010011. [PMID: 36612008 PMCID: PMC9817858 DOI: 10.3390/cancers15010011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/13/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Patients who develop splanchnic vein thrombosis (SVT) in the setting of a myeloproliferative neoplasm (MPN) are at risk for complications including portal hypertension, bleeding, thrombosis, and death. Prompt multidisciplinary treatment is thus necessary to prevent long-term sequelae. However, optimal management strategies are not well established due to a paucity of data. In this review, we very briefly discuss the epidemiology, pathophysiology, and prognosis of MPN-SVT and then more comprehensively explore treatment considerations of MPN-SVT, including anticoagulation, endovascular/surgical intervention, and cytoreductive therapy. We will also highlight current gaps in our knowledge of MPN-SVT and conclude by suggesting future directions to optimize the treatment of MPN-SVT and improve outcomes.
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7
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Splanchnic vein thrombosis associated with myeloproliferative neoplasms. Thromb Res 2022; 218:8-16. [DOI: 10.1016/j.thromres.2022.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/30/2022] [Accepted: 08/03/2022] [Indexed: 11/22/2022]
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Vivarelli S, Falzone L, Basile MS, Candido S, Libra M. Nitric Oxide in Hematological Cancers: Partner or Rival? Antioxid Redox Signal 2021; 34:383-401. [PMID: 32027171 DOI: 10.1089/ars.2019.7958] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Significance: Hematological malignancies represent the fourth most diagnosed cancer. Relapse and acquired resistance to anticancer therapy constitute two actual issues that need to be overcome. Nitric oxide (NO) plays a pivotal role in regulating cancer progression. At present, many studies are attempting to uncover the potentials of modulating NO levels to improve the efficacy of currently available treatments against lymphoma, leukemia, and myeloma. Recent Advances: It is becoming progressively clear that NO modulation may help hematological cancer management, either by targeting directly tumor cells or by driving the immune system to eliminate cancer cells. Critical Issues: NO is a dual molecule that can have a tumor-protecting or stimulating effect, depending on its local concentration. Moreover, NO is able to target a wide range of molecules involved in both cancer genesis and evolution. In this review, an overview of the recent findings regarding the pivotal role played by NO and nitric oxide synthase in cancer progression and anticancer therapy is presented, with particular focus on hematological malignancies. Future Directions: It is critical to establish the cancer-specific function of NO and critically drive its modulation to improve cancer management toward a personalized approach. This has a special importance in hematological tumors, where the urgency of finding eradicative therapies is constant. Antioxid. Redox Signal. 34, 383-401.
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Affiliation(s)
- Silvia Vivarelli
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Luca Falzone
- Epidemiology Unit, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", Napoli, Italy
| | - Maria Sofia Basile
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Saverio Candido
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.,Research Centre for Prevention, Diagnosis and Treatment of Cancer, University of Catania, Catania, Italy
| | - Massimo Libra
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.,Research Centre for Prevention, Diagnosis and Treatment of Cancer, University of Catania, Catania, Italy
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Tremblay JC, Hoiland RL, Howe CA, Coombs GB, Vizcardo-Galindo GA, Figueroa-Mujíca RJ, Bermudez D, Gibbons TD, Stacey BS, Bailey DM, Tymko MM, MacLeod DB, Gasho C, Villafuerte FC, Pyke KE, Ainslie PN. Global REACH 2018: High Blood Viscosity and Hemoglobin Concentration Contribute to Reduced Flow-Mediated Dilation in High-Altitude Excessive Erythrocytosis. Hypertension 2019; 73:1327-1335. [PMID: 31006327 DOI: 10.1161/hypertensionaha.119.12780] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Excessive erythrocytosis (EE; hemoglobin concentration [Hb] ≥21 g/dL in adult males) is associated with increased cardiovascular risk in highlander Andeans. We sought to quantify shear stress and assess endothelial function via flow-mediated dilation (FMD) in male Andeans with and without EE. We hypothesized that FMD would be impaired in Andeans with EE after accounting for shear stress and that FMD would improve after isovolemic hemodilution. Brachial artery shear stress and FMD were assessed in 23 male Andeans without EE (age: 40±15 years [mean±SD]; Hb<21 g/dL) and 19 male Andeans with EE (age: 43±14 years; Hb≥21 g/dL) in Cerro de Pasco, Peru (4330 m). Shear stress was quantified from Duplex ultrasound measures of shear rate and blood viscosity. In a subset of participants (n=8), FMD was performed before and after isovolemic hemodilution with blood volume replaced by an equal volume of human serum albumin. Blood viscosity and Hb were 48% and 23% higher (both P<0.001) and FMD was 28% lower after adjusting for the shear stress stimulus ( P=0.013) in Andeans with EE compared to those without. FMD was inversely correlated with blood viscosity ( r2=0.303; P<0.001) and Hb ( r2=0.230; P=0.001). Isovolemic hemodilution decreased blood viscosity by 30±10% and Hb by 14±5% (both P<0.001) and improved shear stress stimulus-adjusted FMD from 2.7±1.9% to 4.3±1.9% ( P=0.022). Hyperviscosity, high Hb, or both, actively contribute to acutely reversible impairments in FMD in EE, suggesting that this plays a pathogenic role in the increased cardiovascular risk.
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Affiliation(s)
- Joshua C Tremblay
- From the Cardiovascular Stress Response Laboratory, School of Kinesiology and Health Studies, Queen's University, Kingston, ON, Canada (J.C.T., K.E.P.)
| | - Ryan L Hoiland
- Centre for Heart, Lung & Vascular Health, Faculty of Health and Social Development, University of British Columbia-Okanagan, Kelowna, Canada (R.L.H., C.A.H., G.B.C., M.M.T., P.N.A.)
| | - Connor A Howe
- Centre for Heart, Lung & Vascular Health, Faculty of Health and Social Development, University of British Columbia-Okanagan, Kelowna, Canada (R.L.H., C.A.H., G.B.C., M.M.T., P.N.A.)
| | - Geoff B Coombs
- Centre for Heart, Lung & Vascular Health, Faculty of Health and Social Development, University of British Columbia-Okanagan, Kelowna, Canada (R.L.H., C.A.H., G.B.C., M.M.T., P.N.A.)
| | - Gustavo A Vizcardo-Galindo
- Laboratorio de Fisiología Comparada, Departamento de Ciencias Biológicas y Fisiológicas, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Perú (G.A.V.-G., R.J.F.-M., D.B., F.C.V.)
| | - Rómulo J Figueroa-Mujíca
- Laboratorio de Fisiología Comparada, Departamento de Ciencias Biológicas y Fisiológicas, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Perú (G.A.V.-G., R.J.F.-M., D.B., F.C.V.)
| | - Daniela Bermudez
- Laboratorio de Fisiología Comparada, Departamento de Ciencias Biológicas y Fisiológicas, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Perú (G.A.V.-G., R.J.F.-M., D.B., F.C.V.)
| | - Travis D Gibbons
- School of Physical Education, Sport and Exercise Sciences, Division of Sciences, University of Otago, Dunedin, New Zealand (T.D.G.)
| | - Benjamin S Stacey
- Neurovascular Research Laboratory, Faculty of Life Sciences and Education, University of South Wales, United Kingdom (B.S.S., D.M.B.)
| | - Damian M Bailey
- Neurovascular Research Laboratory, Faculty of Life Sciences and Education, University of South Wales, United Kingdom (B.S.S., D.M.B.)
| | - Michael M Tymko
- Centre for Heart, Lung & Vascular Health, Faculty of Health and Social Development, University of British Columbia-Okanagan, Kelowna, Canada (R.L.H., C.A.H., G.B.C., M.M.T., P.N.A.)
| | - David B MacLeod
- Human Pharmacology and Physiology Laboratory, Department of Anesthesiology, Duke University Medical Center, Durham, NC (D.B.M.)
| | - Chris Gasho
- Division of Pulmonary, Critical Care, Hyperbaric and Sleep Medicine, Loma Linda University School of Medicine, CA (C.G.)
| | - Francisco C Villafuerte
- Laboratorio de Fisiología Comparada, Departamento de Ciencias Biológicas y Fisiológicas, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Perú (G.A.V.-G., R.J.F.-M., D.B., F.C.V.)
| | - Kyra E Pyke
- From the Cardiovascular Stress Response Laboratory, School of Kinesiology and Health Studies, Queen's University, Kingston, ON, Canada (J.C.T., K.E.P.)
| | - Philip N Ainslie
- Centre for Heart, Lung & Vascular Health, Faculty of Health and Social Development, University of British Columbia-Okanagan, Kelowna, Canada (R.L.H., C.A.H., G.B.C., M.M.T., P.N.A.)
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Lubrano V, Pingitore A, Traghella I, Storti S, Parri S, Berti S, Ndreu R, Andrenelli A, Palmieri C, Iervasi G, Mastorci F, Vassalle C. Emerging Biomarkers of Oxidative Stress in Acute and Stable Coronary Artery Disease: Levels and Determinants. Antioxidants (Basel) 2019; 8:antiox8050115. [PMID: 31052417 PMCID: PMC6562723 DOI: 10.3390/antiox8050115] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 04/19/2019] [Accepted: 04/30/2019] [Indexed: 01/08/2023] Open
Abstract
Background: Oxidative stress is crucial in the pathogenesis of atherosclerosis and acute myocardial infarction (AMI). Under the generic terms “oxidative stress” (OS), many biomarkers belonging to different pathways have been proposed. Aim: To compare the levels of recently proposed OS-related parameters in acute coronary syndromes (ACS) and stable coronary artery disease (CAD), to evaluate their effectiveness as additive risk or illness indicators of stable and acute ischemic events, and their response over time during the course of AMI. Methods: 76 ACS, 77 CAD patients, and 63 controls were enrolled in the study. Different OS-related biomarkers, including reactive oxygen metabolites (ROM), the total antioxidant capacity (OXY), nitrite/nitrate (final nitric oxide products, NOx), and Lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1), were evaluated. Moreover, time response during AMI course (admission, and 6, 12, 18, 24, 36, and 48 hours after, T0-T6, respectively) and correlation with traditional cardiovascular (CV) risk factors (age, gender, hypertension, diabetes mellitus, dyslipidemia, smoking habit) were also assessed. Results: Over time, ROM progressively increased while OXY and NOx decreased. Kinetics of LOX-1 during AMI shows that this biomarker boosts early during the acute event (T1 and T2) and then progressively decreases, being significantly lower from T0 to T6. Different OS-related biomarkers were differentially associated with CV risk factors and CAD or ACS presence. Conclusion: Differences in OS-related biomarkers (between groups, according to the response over time during AMI, and to the presence of CV risk factors) confirmed OS involvement in the transition from healthy status to stable CAD and ACS, although evidencing the heterogeneous nature of redox processes. In future, a multi-marker panel including different biomarkers and pathways of oxidative stress could be evaluated as an additive tool to be used in the CV prevention, diagnosis, patient stratification, and treatment.
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Affiliation(s)
- Valter Lubrano
- Fondazione CNR-Regione Toscana G Monasterio, 56100 Pisa, Italy.
| | | | - Irene Traghella
- Fondazione CNR-Regione Toscana G Monasterio, 56100 Pisa, Italy.
| | - Simona Storti
- Ospedale del Cuore G Pasquinucci, Fondazione CNR-Regione Toscana G Monasterio, 54100 Massa, Italy.
| | - Serena Parri
- Ospedale del Cuore G Pasquinucci, Fondazione CNR-Regione Toscana G Monasterio, 54100 Massa, Italy.
| | - Sergio Berti
- Ospedale del Cuore G Pasquinucci, Fondazione CNR-Regione Toscana G Monasterio, 54100 Massa, Italy.
| | - Rudina Ndreu
- Istituto di Fisiologia Clinica, CNR, 56100 Pisa, Italy.
| | - Andrea Andrenelli
- Ospedale del Cuore G Pasquinucci, Fondazione CNR-Regione Toscana G Monasterio, 54100 Massa, Italy.
| | - Cataldo Palmieri
- Ospedale del Cuore G Pasquinucci, Fondazione CNR-Regione Toscana G Monasterio, 54100 Massa, Italy.
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Barshtein G, Arbell D, Yedgar S. Hemodynamic Functionality of Transfused Red Blood Cells in the Microcirculation of Blood Recipients. Front Physiol 2018; 9:41. [PMID: 29441026 PMCID: PMC5797635 DOI: 10.3389/fphys.2018.00041] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 01/11/2018] [Indexed: 01/23/2023] Open
Abstract
The primary goal of red blood cell (RBC) transfusion is to supply oxygen to tissues and organs. However, due to a growing number of studies that have reported negative transfusion outcomes, including reduced blood perfusion, there is rising concern about the risks in blood transfusion. RBC are characterized by unique flow-affecting properties, specifically adherence to blood vessel wall endothelium, cell deformability, and self-aggregability, which define their hemodynamic functionality (HF), namely their potential to affect blood circulation. The role of the HF of RBC in blood circulation, particularly the microcirculation, has been documented in numerous studies with animal models. These studies indicate that the HF of transfused RBC (TRBC) plays an important role in the transfusion outcome. However, studies with animal models must be interpreted with reservations, as animal physiology may not reflect human physiology. To test this concept in humans, we have directly examined the effect of the HF of TRBC, as expressed by their deformability and adherence to vascular endothelium, on the transfusion-induced effect on the skin blood flow and hemoglobin increment in β-thalassemia major patients. The results demonstrated, for the first time in humans, that the TRBC HF is a potent effector of the transfusion outcome, expressed by the transfusion-induced increase in the recipients' hemoglobin level, and the change in the skin blood flow, indicating a link between the microcirculation and the survival of TRBC in the recipients' vascular system. The implication of these findings for blood transfusion practice and to vascular function in blood recipients is discussed.
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Affiliation(s)
- Gregory Barshtein
- Department of Biochemistry, Faculty of Medicine, Hebrew University, Jerusalem, Israel
| | - Dan Arbell
- Department of Pediatric Surgery, Hadassah University Hospital, Jerusalem, Israel
| | - Saul Yedgar
- Department of Biochemistry, Faculty of Medicine, Hebrew University, Jerusalem, Israel
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Shaver CM, Wickersham N, McNeil JB, Nagata H, Miller A, Landstreet SR, Kuck JL, Diamond JM, Lederer DJ, Kawut SM, Palmer SM, Wille KM, Weinacker A, Lama VN, Crespo MM, Orens JB, Shah PD, Hage CA, Cantu E, Porteous MK, Dhillon G, McDyer J, Bastarache JA, Christie JD, Ware LB. Cell-free hemoglobin promotes primary graft dysfunction through oxidative lung endothelial injury. JCI Insight 2018; 3:98546. [PMID: 29367464 DOI: 10.1172/jci.insight.98546] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 12/19/2017] [Indexed: 12/31/2022] Open
Abstract
Primary graft dysfunction (PGD) is acute lung injury within 72 hours of lung transplantation. We hypothesized that cell-free hemoglobin (CFH) contributes to PGD by increasing lung microvascular permeability and tested this in patients, ex vivo human lungs, and cultured human lung microvascular endothelial cells. In a nested case control study of 40 patients with severe PGD at 72 hours and 80 matched controls without PGD, elevated preoperative CFH was independently associated with increased PGD risk (odds ratio [OR] 2.75, 95%CI, 1.23-6.16, P = 0.014). The effect of CFH on PGD was magnified by reperfusion fraction of inspired oxygen (FiO2) ≥ 0.40 (OR 3.41, P = 0.031). Isolated perfused human lungs exposed to intravascular CFH (100 mg/dl) developed increased vascular permeability as measured by lung weight (CFH 14.4% vs. control 0.65%, P = 0.047) and extravasation of Evans blue-labeled albumin dye (EBD) into the airspace (P = 0.027). CFH (1 mg/dl) also increased paracellular permeability of human pulmonary microvascular endothelial cell monolayers (hPMVECs). Hyperoxia (FiO2 = 0.95) increased human lung and hPMVEC permeability compared with normoxia (FiO2 = 0.21). Treatment with acetaminophen (15 μg/ml), a specific hemoprotein reductant, prevented CFH-dependent permeability in human lungs (P = 0.046) and hPMVECs (P = 0.037). In summary, CFH may mediate PGD through oxidative effects on microvascular permeability, which are augmented by hyperoxia and abrogated by acetaminophen.
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Affiliation(s)
- Ciara M Shaver
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Nancy Wickersham
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - J Brennan McNeil
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Hiromasa Nagata
- Department of Anesthesiology, Keio University School of Medicine, Tokyo, Japan
| | - Adam Miller
- Tennessee Donor Services, Nashville, Tennessee, USA
| | - Stuart R Landstreet
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Jamie L Kuck
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Joshua M Diamond
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - David J Lederer
- Division of Pulmonary, Allergy, and Critical Care Medicine, Columbia University School of Medicine, New York, New York, USA
| | - Steven M Kawut
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Scott M Palmer
- Division of Pulmonary and Critical Care Medicine, Duke University Medical Center, Durham, North Carolina, USA
| | - Keith M Wille
- Division of Pulmonary and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Ann Weinacker
- Division of Pulmonary and Critical Care Medicine, Stanford University Medical Center, Palo Alto, California, USA
| | - Vibha N Lama
- Division of Pulmonary and Critical Care Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Maria M Crespo
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jonathan B Orens
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University Medical Center, Baltimore, Maryland, USA
| | - Pali D Shah
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University Medical Center, Baltimore, Maryland, USA
| | - Chadi A Hage
- Division of Pulmonary, Allergy, Critical Care, and Occupational Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Edward Cantu
- Division of Cardiovascular Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Mary K Porteous
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Gundeep Dhillon
- Division of Pulmonary and Critical Care Medicine, Stanford University Medical Center, Palo Alto, California, USA
| | - John McDyer
- Division of Pulmonary, Allergy, and Critical Care, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Julie A Bastarache
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Jason D Christie
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Lorraine B Ware
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
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13
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Dobrowolski P, Klisiewicz A, Prejbisz A, Sikorska A, Wójcicki J, Lewandowski J, Kaszuba AM, Kabat M, Kordybach-Prokopiuk M, Więcek A, Windyga J, Januszewicz A, Hoffman P. Reduced left ventricular strain is related to blood parameters in patients with polycythemia vera. Int J Cardiol 2017; 226:34-37. [DOI: 10.1016/j.ijcard.2016.10.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 10/15/2016] [Accepted: 10/17/2016] [Indexed: 11/16/2022]
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14
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Jordan A, Chen D, Yi QL, Kanias T, Gladwin MT, Acker JP. Assessing the influence of component processing and donor characteristics on quality of red cell concentrates using quality control data. Vox Sang 2016; 111:8-15. [PMID: 26991891 DOI: 10.1111/vox.12378] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Revised: 11/15/2015] [Accepted: 12/10/2015] [Indexed: 01/11/2023]
Abstract
BACKGROUND AND OBJECTIVES Quality control (QC) data collected by blood services are used to monitor production and to ensure compliance with regulatory standards. We demonstrate how analysis of quality control data can be used to highlight the sources of variability within red cell concentrates (RCCs). MATERIALS AND METHODS We merged Canadian Blood Services QC data with manufacturing and donor records for 28 227 RCC between June 2011 and October 2014. Units were categorized based on processing method, bag manufacturer, donor age and donor sex, then assessed based on product characteristics: haemolysis and haemoglobin levels, unit volume, leucocyte count and haematocrit. RESULTS Buffy-coat method (top/bottom)-processed units exhibited lower haemolysis than units processed using the whole-blood filtration method (top/top). Units from female donors exhibited lower haemolysis than male donations. Processing method influenced unit volume and the ratio of additive solution to residual plasma. CONCLUSIONS Stored red blood cell characteristics are influenced by prestorage processing and donor factors. Understanding the relationship between processing, donors and RCC quality will help blood services to ensure the safety of transfused products.
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Affiliation(s)
- A Jordan
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada.,Centre for Innovation, Canadian Blood Services, Edmonton, AB, Canada
| | - D Chen
- Canadian Blood Services, Centre for Blood Research, University of British Columbia, Vancouver, BC, Canada.,Department of Pathology, University of British Columbia, Vancouver, BC, Canada
| | - Q-L Yi
- Canadian Blood Services, Ottawa, ON, Canada
| | - T Kanias
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, USA.,Division of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - M T Gladwin
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, USA.,Division of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, USA.,Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - J P Acker
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada.,Centre for Innovation, Canadian Blood Services, Edmonton, AB, Canada
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15
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Li Q, Chen Y, Li B, Luo C, Zuo S, Liu X, Zhang JH, Ruan H, Feng H. Hemoglobin induced NO/cGMP suppression Deteriorate Microcirculation via Pericyte Phenotype Transformation after Subarachnoid Hemorrhage in Rats. Sci Rep 2016; 6:22070. [PMID: 26911739 PMCID: PMC4766506 DOI: 10.1038/srep22070] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 02/05/2016] [Indexed: 02/02/2023] Open
Abstract
Subarachnoid hemorrhage (SAH) usually results from ruptured aneurysm, but how leaked hemoglobin regulates the microcirculation in the pathophysiology of early brain injury after SAH is still unclear. In the present study, we sought to investigate the role and possible mechanism of hemoglobin induced pericyte phenotype transformation in the regulation of microcirculation after SAH. Endovascular perforation SAH rat model, brain slices and cultured pericytes were used, and intervened with endothelial nitric oxide synthase (eNOS) antagonist L-NNA and its agonist scutellarin, hemoglobin, DETA/NO (nitric oxide(NO) donor), PITO (NO scavenger), 8-Br-cGMP (cGMP analog). We found modulating eNOS regulated pericyte α-SMA phenotype transformation, microcirculation, and neurological function in SAH rats. Modulating eNOS also affected eNOS expression, eNOS activity and NO availability after SAH. In addition, we showed hemoglobins penetrated into brain parenchyma after SAH. And hemoglobins significantly reduced the microvessel diameters at pericyte sites, due to the effects of hemoglobin inducing α-SMA expressions in cultured pericytes and brain slices via inhibiting NO/cGMP pathway. In conclusion, pericyte α-SMA phenotype mediates acute microvessel constriction after SAH possibly by hemoglobin suppressing NO/cGMP signaling pathway. Therefore, by targeting the eNOS and pericyte α-SMA phenotype, our present data may shed new light on the management of SAH patients.
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Affiliation(s)
- Qiang Li
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Chongqing, China
- Department of Neurobiology, College of Basic Medical Sciences, Third Military Medical University, Chongqing, China
| | - Yujie Chen
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Bo Li
- Department of Neurosurgery, Jinan Military General Hospital, Jinan, Shandong, China
| | - Chunxia Luo
- Department of Neurology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Shilun Zuo
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Xin Liu
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - John H. Zhang
- Department of Physiology and Pharmacology, Loma Linda University, Loma Linda, California, USA
| | - Huaizhen Ruan
- Department of Neurobiology, College of Basic Medical Sciences, Third Military Medical University, Chongqing, China
| | - Hua Feng
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Chongqing, China
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16
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Rusak T, Piszcz J, Misztal T, Brańska-Januszewska J, Tomasiak M. Platelet-related fibrinolysis resistance in patients suffering from PV. Impact of clot retraction and isovolemic erythrocytapheresis. Thromb Res 2014; 134:192-8. [DOI: 10.1016/j.thromres.2014.04.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 04/04/2014] [Accepted: 04/23/2014] [Indexed: 11/27/2022]
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17
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Omar SA, Webb AJ. Nitrite reduction and cardiovascular protection. J Mol Cell Cardiol 2014; 73:57-69. [PMID: 24486197 DOI: 10.1016/j.yjmcc.2014.01.012] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 01/20/2014] [Accepted: 01/22/2014] [Indexed: 10/25/2022]
Abstract
Inorganic nitrite, a metabolite of endogenously produced nitric oxide (NO) from NO synthases (NOS), provides the largest endocrine source of directly bioavailable NO. The conversion of nitrite to NO occurs mainly through enzymatic reduction, mediated by a range of proteins, including haem-globins, molybdo-flavoproteins, mitochondrial proteins, cytochrome P450 enzymes, and NOS. Such nitrite reduction is particularly favoured under hypoxia, when endogenous formation of NO from NOS is impaired. Under normoxic conditions, the majority of these nitrite reductases also scavenge NO, or diminish its bioavailability via reactive oxygen species (ROS) production, suggesting an intricate balance. Moreover, nitrite, whether produced endogenously, or derived from exogenous nitrite or nitrate administration (including dietary sources via the Nitrate-Nitrite-NO pathway) beneficially modulates many key cardiovascular pathological processes. In this review, we highlight the landmark studies which revealed nitrite's function in biological systems, and inspect its evolving role in cardiovascular protection. Whilst these effects have mainly been ascribed to the activity of one or more nitrite reductases, we also discuss newly-identified mechanisms, including nitrite anhydration, the involvement of s-nitrosothiols, nitro-fatty acids, and direct nitrite normoxic signalling, involving modification of mitochondrial structure and function, and ROS production. This article is part of a Special Issue entitled "Redox Signalling in the Cardiovascular System".
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Affiliation(s)
- Sami A Omar
- King's College London British Heart Foundation Centre, Cardiovascular Division, Department of Clinical Pharmacology, 4th Floor North Wing, St. Thomas' Hospital, London SE1 7EH, UK; Biomedical Research Centre, Guy's & St Thomas' NHS Foundation Trust, London, UK.
| | - Andrew James Webb
- King's College London British Heart Foundation Centre, Cardiovascular Division, Department of Clinical Pharmacology, 4th Floor North Wing, St. Thomas' Hospital, London SE1 7EH, UK; Biomedical Research Centre, Guy's & St Thomas' NHS Foundation Trust, London, UK.
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