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Vahldieck C, Löning S, Hamacher C, Fels B, Rudzewski B, Nickel L, Weil J, Nording H, Baron L, Kleingarn M, Karsten CM, Kusche-Vihrog K. Dysregulated complement activation during acute myocardial infarction leads to endothelial glycocalyx degradation and endothelial dysfunction via the C5a:C5a-Receptor1 axis. Front Immunol 2024; 15:1426526. [PMID: 39055717 PMCID: PMC11269135 DOI: 10.3389/fimmu.2024.1426526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Accepted: 06/25/2024] [Indexed: 07/27/2024] Open
Abstract
Introduction Complement-mediated damage to the myocardium during acute myocardial infarction (AMI), particularly the late components of the terminal pathway (C5-convertase and C5b-9), have previously been characterized. Unfortunately, only few studies have reported a direct association between dysregulated complement activation and endothelial function. Hence, little attention has been paid to the role of the anaphylatoxin C5a. The endothelial glycocalyx (eGC) together with the cellular actin cortex provide a vasoprotective barrier against chronic vascular inflammation. Changes in their nanomechanical properties (stiffness and height) are recognized as hallmarks of endothelial dysfunction as they correlate with the bioavailability of vasoactive substances, such as nitric oxide (NO). Here, we determined how the C5a:C5aR1 axis affects the eGC and endothelial function in AMI. Methods Samples of fifty-five patients with ST-elevation myocardial infarction (STEMI) vs. healthy controls were analyzed in this study. eGC components and C5a levels were determined via ELISA; NO levels were quantified chemiluminescence-based. Endothelial cells were stimulated with C5a or patient sera (with/without C5a-receptor1 antagonist "PMX53") and the nanomechanical properties of eGC quantified using the atomic force microscopy (AFM)-based nanoindentation technique. To measure actin cytoskeletal tension regulator activation (RhoA and Rac1) G-LISA assays were applied. Vascular inflammation was examined by quantifying monocyte-endothelium interaction via AFM-based single-cell-force spectroscopy. Results Serum concentrations of eGC components and C5a were significantly increased during STEMI. Serum and solely C5a stimulation decreased eGC height and stiffness, indicating shedding of the eGC. C5a enhanced RhoA activation, resulting in increased cortical stiffness with subsequent reduction in NO concentrations. Monocyte adhesion to the endothelium was enhanced after both C5a and stimulation with STEMI serum. eGC degradation- and RhoA-induced cortical stiffening with subsequent endothelial dysfunction were attenuated after administering PMX53. Conclusion This study demonstrates that dysregulated C5a activation during AMI results in eGC damage with subsequent endothelial dysfunction and reduced NO bioavailability, indicating progressively developing vascular inflammation. This could be prevented by antagonizing C5aR1, highlighting the role of the C5a:C5a-Receptor1 axis in vascular inflammation development and endothelial dysfunction in AMI, offering new therapeutic approaches for future investigations.
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Affiliation(s)
- Carl Vahldieck
- Department of Anesthesiology and Intensive Care Medicine, University Medical Centre Schleswig-Holstein Campus Luebeck, Luebeck, Germany
- Institute of Physiology, University of Luebeck, Luebeck, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Hamburg/Luebeck/Kiel, Luebeck, Germany
| | - Samuel Löning
- Institute of Physiology, University of Luebeck, Luebeck, Germany
| | | | - Benedikt Fels
- Institute of Physiology, University of Luebeck, Luebeck, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Hamburg/Luebeck/Kiel, Luebeck, Germany
| | | | - Laura Nickel
- Medizinische Klinik II, Sana Kliniken Luebeck, Luebeck, Germany
| | - Joachim Weil
- Medizinische Klinik II, Sana Kliniken Luebeck, Luebeck, Germany
| | - Henry Nording
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Hamburg/Luebeck/Kiel, Luebeck, Germany
- Cardioimmunology Group, Medical Clinic II, University Heart Center Luebeck, Luebeck, Germany
| | - Lasse Baron
- Cardioimmunology Group, Medical Clinic II, University Heart Center Luebeck, Luebeck, Germany
| | - Marie Kleingarn
- Institute for Systemic Inflammation Research (ISEF), University of Luebeck, Luebeck, Germany
| | | | - Kristina Kusche-Vihrog
- Institute of Physiology, University of Luebeck, Luebeck, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Hamburg/Luebeck/Kiel, Luebeck, Germany
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Gambari R, Waziri AD, Goonasekera H, Peprah E. Pharmacogenomics of Drugs Used in β-Thalassemia and Sickle-Cell Disease: From Basic Research to Clinical Applications. Int J Mol Sci 2024; 25:4263. [PMID: 38673849 PMCID: PMC11050010 DOI: 10.3390/ijms25084263] [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: 03/04/2024] [Revised: 03/30/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024] Open
Abstract
In this short review we have presented and discussed studies on pharmacogenomics (also termed pharmacogenetics) of the drugs employed in the treatment of β-thalassemia or Sickle-cell disease (SCD). This field of investigation is relevant, since it is expected to help clinicians select the appropriate drug and the correct dosage for each patient. We first discussed the search for DNA polymorphisms associated with a high expression of γ-globin genes and identified this using GWAS studies and CRISPR-based gene editing approaches. We then presented validated DNA polymorphisms associated with a high HbF production (including, but not limited to the HBG2 XmnI polymorphism and those related to the BCL11A, MYB, KLF-1, and LYAR genes). The expression of microRNAs involved in the regulation of γ-globin genes was also presented in the context of pharmacomiRNomics. Then, the pharmacogenomics of validated fetal hemoglobin inducers (hydroxyurea, butyrate and butyrate analogues, thalidomide, and sirolimus), of iron chelators, and of analgesics in the pain management of SCD patients were considered. Finally, we discuss current clinical trials, as well as international research networks focusing on clinical issues related to pharmacogenomics in hematological diseases.
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Affiliation(s)
- Roberto Gambari
- Center “Chiara Gemmo and Elio Zago” for the Research on Thalassemia, Department of Life Sciences and Biotechnology, Ferrara University, 40124 Ferrara, Italy
| | - Aliyu Dahiru Waziri
- Department of Hematology and Blood Transfusion, Ahmadu Bello University Teaching Hospital Zaria, Kaduna 810001, Nigeria;
| | - Hemali Goonasekera
- Department of Anatomy, Genetics and Biomedical Informatics, Faculty of Medicine, University of Colombo, Colombo P.O. Box 271, Sri Lanka;
| | - Emmanuel Peprah
- Implementing Sustainable Evidence-Based Interventions through Engagement (ISEE) Lab, Department of Global and Environmental Health, School of Global Public Health, New York University, New York, NY 10003, USA;
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Gupta P, Kumar R. Nitric oxide: A potential etiological agent for vaso-occlusive crises in sickle cell disease. Nitric Oxide 2024; 144:40-46. [PMID: 38316197 DOI: 10.1016/j.niox.2024.01.008] [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: 10/06/2023] [Revised: 12/27/2023] [Accepted: 01/29/2024] [Indexed: 02/07/2024]
Abstract
Nitric oxide (NO), a vasodilator contributes to the vaso-occlusive crisis associated with the sickle cell disease (SCD). Vascular nitric oxide helps in vasodilation, controlled platelet aggregation, and preventing adhesion of sickled red blood cells to the endothelium. It decreases the expression of pro-inflammatory genes responsible for atherogenesis associated with SCD. Haemolysis and activated endothelium in SCD patients reduce the bioavailability of NO which promotes the severity of sickle cell disease mainly causes vaso-occlusive crises. Additionally, NO depletion can also contribute to the formation of thrombus, which can cause serious complications such as stroke, pulmonary embolism etc. Understanding the multifaceted role of NO provides valuable insights into its therapeutic potential for managing SCD and preventing associated complications. Various clinical trials and studies suggested the importance of artificially induced nitric oxide and its supplements in the reduction of severity. Further research on the mechanisms of NO depletion in SCD is needed to develop more effective treatment strategies and improve the management of this debilitating disease.
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Affiliation(s)
- Parul Gupta
- ICMR-National Institute of Research in Tribal Health, India
| | - Ravindra Kumar
- ICMR-National Institute of Research in Tribal Health, India.
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Rarick KR, Li K, Teng RJ, Jing X, Martin DP, Xu H, Jones DW, Hogg N, Hillery CA, Garcia G, Day BW, Naylor S, Pritchard KA. Sterile inflammation induces vasculopathy and chronic lung injury in murine sickle cell disease. Free Radic Biol Med 2024; 215:112-126. [PMID: 38336101 PMCID: PMC11290318 DOI: 10.1016/j.freeradbiomed.2024.01.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/11/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024]
Abstract
Murine sickle cell disease (SCD) results in damage to multiple organs, likely mediated first by vasculopathy. While the mechanisms inducing vascular damage remain to be determined, nitric oxide bioavailability and sterile inflammation are both considered to play major roles in vasculopathy. Here, we investigate the effects of high mobility group box-1 (HMGB1), a pro-inflammatory damage-associated molecular pattern (DAMP) molecule on endothelial-dependent vasodilation and lung morphometrics, a structural index of damage in sickle (SS) mice. SS mice were treated with either phosphate-buffered saline (PBS), hE-HMGB1-BP, an hE dual-domain peptide that binds and removes HMGB1 from the circulation via the liver, 1-[4-(aminocarbonyl)-2-methylphenyl]-5-[4-(1H-imidazol-1-yl)phenyl]-1H-pyrrole-2-propanoic acid (N6022) or N-acetyl-lysyltyrosylcysteine amide (KYC) for three weeks. Human umbilical vein endothelial cells (HUVEC) were treated with recombinant HMGB1 (r-HMGB1), which increases S-nitrosoglutathione reductase (GSNOR) expression by ∼80%, demonstrating a direct effect of HMGB1 to increase GSNOR. Treatment of SS mice with hE-HMGB1-BP reduced plasma HMGB1 in SS mice to control levels and reduced GSNOR expression in facialis arteries isolated from SS mice by ∼20%. These changes were associated with improved endothelial-dependent vasodilation. Treatment of SS mice with N6022 also improved vasodilation in SS mice suggesting that targeting GSNOR also improves vasodilation. SCD decreased protein nitrosothiols (SNOs) and radial alveolar counts (RAC) and increased GSNOR expression and mean linear intercepts (MLI) in lungs from SS mice. The marked changes in pulmonary morphometrics and GSNOR expression throughout the lung parenchyma in SS mice were improved by treating with either hE-HMGB1-BP or KYC. These data demonstrate that murine SCD induces vasculopathy and chronic lung disease by an HMGB1- and GSNOR-dependent mechanism and suggest that HMGB1 and GSNOR might be effective therapeutic targets for reducing vasculopathy and chronic lung disease in humans with SCD.
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Affiliation(s)
- Kevin R Rarick
- Department of Pediatrics, Division of Critical Care, Medical College of Wisconsin, Milwaukee, WI, 53226, USA; Childrens' Research Institute, Children's Wisconsin, Milwaukee, WI, 53226, USA
| | - Keguo Li
- Department of Surgery, Division of Pediatric Surgery, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Ru-Jeng Teng
- Department of Pediatrics, Division of Neonatology, Medical College of Wisconsin, Milwaukee, WI, 53226, USA; Childrens' Research Institute, Children's Wisconsin, Milwaukee, WI, 53226, USA
| | - Xigang Jing
- Department of Pediatrics, Division of Neonatology, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Dustin P Martin
- Department of Surgery, Division of Pediatric Surgery, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Hao Xu
- Department of Medicine, Division of Endocrinology, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Deron W Jones
- Department of Surgery, Division of Pediatric Surgery, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Neil Hogg
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Cheryl A Hillery
- Department of Pediatrics, Division of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, WI, 53226, USA; Department of Pediatrics, Division of Hematology/Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15224, USA
| | - Guilherme Garcia
- Biomedical Engineering, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | | | | | - Kirkwood A Pritchard
- Department of Surgery, Division of Pediatric Surgery, Medical College of Wisconsin, Milwaukee, WI, 53226, USA; ReNeuroGen LLC, Milwaukee, WI, 53122, USA; Childrens' Research Institute, Children's Wisconsin, Milwaukee, WI, 53226, USA.
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Hebbel RP, Milbauer L, Wei P. A novel promoter of endothelial dysfunction in African Americans: Relevance to sickle cell anaemia. Br J Haematol 2023; 203:e71-e73. [PMID: 37485546 DOI: 10.1111/bjh.18993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 07/12/2023] [Indexed: 07/25/2023]
Affiliation(s)
- Robert P Hebbel
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Liming Milbauer
- Department of Pharmacology, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Peng Wei
- Department of Biostatistics, University of Texas MD Anderson Center, Houston, Texas, USA
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Trucas M, Burattini S, Porcu S, Simbula M, Ristaldi MS, Kowalik MA, Serra MP, Gobbi P, Battistelli M, Perra A, Quartu M. Multi-Organ Morphological Findings in a Humanized Murine Model of Sickle Cell Trait. Int J Mol Sci 2023; 24:10452. [PMID: 37445630 DOI: 10.3390/ijms241310452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/15/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023] Open
Abstract
Sickle cell disease (SCD) is caused by the homozygous beta-globin gene mutation that can lead to ischemic multi-organ damage and consequently reduce life expectancy. On the other hand, sickle cell trait (SCT), the heterozygous beta-globin gene mutation, is still considered a benign condition. Although the mechanisms are not well understood, clinical evidence has recently shown that specific pathological symptoms can also be recognized in SCT carriers. So far, there are still scant data regarding the morphological modifications referable to possible multi-organ damage in the SCT condition. Therefore, after genotypic and hematological characterization, by conventional light microscopy and transmission electron microscopy (TEM), we investigated the presence of tissue alterations in 13 heterozygous Townes mice, one of the best-known animal models that, up to now, was used only for the study of the homozygous condition. We found that endothelial alterations, as among which the thickening of vessel basal lamina, are ubiquitous in the lung, liver, kidney, and spleen of SCT carrier mice. The lung shows the most significant alterations, with a distortion of the general tissue architecture, while the heart is the least affected. Collectively, our findings contribute novel data to the histopathological modifications at microscopic and ultrastructural levels, underlying the heterozygous beta-globin gene mutation, and indicate the translational suitability of the Townes model to characterize the features of multiple organ involvement in the SCT carriers.
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Affiliation(s)
- Marcello Trucas
- Department of Biomedical Sciences, Section of Cytomorphology, University of Cagliari, Cittadella Universitaria di Monserrato, 09042 Monserrato, Italy
| | - Sabrina Burattini
- Department of Biomolecular Sciences, Campus Scientifico "Enrico Mattei", University of Urbino Carlo Bo, Via Ca' le Suore 2-Località Crocicchia, 61029 Urbino, Italy
| | - Susanna Porcu
- Italian National Research Council (CNR)-IRGB, Cittadella Universitaria Monserrato, 09042 Monserrato, Italy
| | - Michela Simbula
- Italian National Research Council (CNR)-IRGB, Cittadella Universitaria Monserrato, 09042 Monserrato, Italy
| | - Maria Serafina Ristaldi
- Italian National Research Council (CNR)-IRGB, Cittadella Universitaria Monserrato, 09042 Monserrato, Italy
| | - Marta Anna Kowalik
- Department of Biomedical Sciences, Unit of Oncology and Molecular Pathology, University of Cagliari, Cittadella Universitaria di Monserrato, 09042 Monserrato, Italy
| | - Maria Pina Serra
- Department of Biomedical Sciences, Section of Cytomorphology, University of Cagliari, Cittadella Universitaria di Monserrato, 09042 Monserrato, Italy
| | - Pietro Gobbi
- Department of Biomolecular Sciences, Campus Scientifico "Enrico Mattei", University of Urbino Carlo Bo, Via Ca' le Suore 2-Località Crocicchia, 61029 Urbino, Italy
| | - Michela Battistelli
- Department of Biomolecular Sciences, Campus Scientifico "Enrico Mattei", University of Urbino Carlo Bo, Via Ca' le Suore 2-Località Crocicchia, 61029 Urbino, Italy
| | - Andrea Perra
- Department of Biomedical Sciences, Unit of Oncology and Molecular Pathology, University of Cagliari, Cittadella Universitaria di Monserrato, 09042 Monserrato, Italy
| | - Marina Quartu
- Department of Biomedical Sciences, Section of Cytomorphology, University of Cagliari, Cittadella Universitaria di Monserrato, 09042 Monserrato, Italy
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Sharpe CC, Suddle A, Stuart-Smith S. An Overview of Solid Organ Transplantation in Patients With Sickle Cell Disease. Transplantation 2023; 107:596-604. [PMID: 36210501 DOI: 10.1097/tp.0000000000004305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Sickle cell disease is a common genetic disorder affecting >300 000 people across the world. The vast majority of patients cared for in high-resource settings live well into adulthood, but many develop a high burden of disease complications. Good standard of care including disease-modifying agents and transfusion programs limits the number of patients who develop end-stage organ disease, but for those that do, the prognosis can be very poor. Solid organ transplantation is a well-established mode of treatment for patients with sickle cell disease and kidney or liver failure, but appropriate patient selection and perioperative management are important for achieving good outcomes. Hematopoietic stem cell transplantation and gene therapy may offer novel treatment options for adult patients with chronic organ damage in the future, but these are not yet widely available. For now, good, holistic care and early intervention of end-organ complications can minimize the number of patients requiring solid organ transplantation later in life.
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Affiliation(s)
- Claire C Sharpe
- Department of Inflammation Biology, Faculty of Life Sciences and Medicine, King's College London, London, United Kingdom
- Department of Renal Medicine, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Abid Suddle
- Institute of Liver Studies, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Sara Stuart-Smith
- Department of Haematology, Kings College Hospital NHS Foundation Trust, London, United Kingdom
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Feugray G, Kasonga F, Grall M, Benhamou Y, Bobée-Schneider V, Buchonnet G, Daliphard S, Le Cam Duchez V, Lahary A, Billoir P. Assessment of Reticulocyte and Erythrocyte Parameters From Automated Blood Counts in Vaso-Occlusive Crisis on Sickle Cell Disease. Front Med (Lausanne) 2022; 9:858911. [PMID: 35492334 PMCID: PMC9044919 DOI: 10.3389/fmed.2022.858911] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/21/2022] [Indexed: 12/18/2022] Open
Abstract
Sickle cell disease is a complex genetic disease involving cell adhesion between red blood cells, white blood cells, platelets and endothelial cells, inducing painful vaso-occlusive crisis (VOC). We assessed reticulocyte and erythrocyte parameters in a cohort of confirmed SCD patients, and investigated whether a combination of these routine laboratory biomarkers of haemolysis could be used to predict VOC development. Reticulocyte and erythrocyte parameters were evaluated using the Sysmex XN-9000 analyser. A total of 98 patients with SCD were included, 72 in steady state and 26 in VOC. Among the 72 patients in steady state, 22 developed a VOC in the following year (median: 3 months [2-6]). The following parameters were increased in SCD patients with VOC development compared to SCD patients without VOC development in the following year: reticulocyte count (94.6 109/L [67.8-128] vs. 48.4 109/L [24.9-87.5]), immature reticulocyte count (259 109/L [181-334] vs. 152 109/L [129-208]) reticulocyte/immature reticulocyte fraction (IRF) ratio (6.63 109/(L*%) [4.67-9.56] vs. 4.94 109/(L*%) [3.96-6.61]), and medium fluorescence reticulocytes (MFR) (19.9% [17.4-20.7] vs. 17.1% [15.95-19.75]). The association of a reticulocyte count of >189.4 109/L and an MFR of >19.75% showed a sensitivity of 81.8% and a specificity of 88% to predict VOC development in the following year. Based on our findings, a combination of routine laboratory biomarkers, as reticulocyte count, immature reticulocyte count and fluorescent reticulocyte fraction at steady state, could be used to predict VOC development in SCD.
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Affiliation(s)
- Guillaume Feugray
- General Biochemistry, Normandie Univ, Rouen University, INSERM U1096, CHU Rouen, Rouen, France
| | | | | | - Ygal Benhamou
- Department of Internal Medecine, Normandie Univ, Rouen University, INSERM U1096, CHU Rouen, Rouen, France
| | | | | | | | - Véronique Le Cam Duchez
- Normandie Univ, Rouen University, INSERM U1096, CHU Rouen, Vascular Hemostasis Unit, Rouen, France
| | | | - Paul Billoir
- Normandie Univ, Rouen University, INSERM U1096, CHU Rouen, Vascular Hemostasis Unit, Rouen, France
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