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Rhouati A, Rhouati A, Marty JL. A Review on Aptamers Selection and Application in Heart Diseases Diagnosis. Curr Top Med Chem 2022; 22:2463-2473. [PMID: 36045527 DOI: 10.2174/1568026622666220831114322] [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: 10/14/2021] [Revised: 05/09/2022] [Accepted: 05/09/2022] [Indexed: 01/20/2023]
Abstract
Biomarkers detection and quantification in biological fluids play a key role in the screening, diagnosing and treating several diseases. Recently, a large number of aptamers have been selected and applied for the sensing of different biomarkers. Combined with different transducers, aptamers provide simple and rapid tools that allow highly sensitive and selective detection. Cardiology requires an accurate assessment of cardiac biomarkers for a complete diagnosis of cardiovascular diseases. The analysis is generally performed by immunoassays using antibodies as biorecognition elements. This review paper focuses on using aptamers as a promising alternative for antibodies in cardiac biomarkers biosensing. First, the different aptamers specific to the most important cardiac biomarkers are Troponin I, the peptide of B-type natriuretic peptide and myoglobin. Then, in the second part, we overview the electrochemical aptasensors principle and characteristics reported in the literature in the last five years.
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Affiliation(s)
- Amina Rhouati
- Bioengineering Laboratory, Higher National School of Biotechnology, Constantine 25100-Algeria
| | - Adel Rhouati
- Cardiology Department, Ibn Badis University Hospital, University of Constantine 3, Constantine, Algeria
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Zinc Oxide Nanoparticles Induce Toxicity in H9c2 Rat Cardiomyoblasts. Int J Mol Sci 2022; 23:ijms232112940. [PMID: 36361726 PMCID: PMC9658273 DOI: 10.3390/ijms232112940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/13/2022] [Accepted: 10/18/2022] [Indexed: 12/02/2022] Open
Abstract
Zinc oxide nanoparticles (ZnO NPs) are widely used in the cosmetic industry. They are nano-optical and nano-electrical devices, and their antimicrobial properties are applied in food packaging and medicine. ZnO NPs penetrate the body through inhalation, oral, and dermal exposure and spread through circulation to various systems and organs. Since the cardiovascular system is one of the most vulnerable systems, in this work, we studied ZnO NPs toxicity in H9c2 rat cardiomyoblasts. Cardiac cells were exposed to different concentrations of ZnO NPs, and then the morphology, proliferation, viability, mitochondrial membrane potential (ΔΨm), redox state, and protein expression were measured. Transmission electron microscopy (TEM) and hematoxylin–eosin (HE) staining showed strong morphological damage. ZnO NPs were not observed inside cells, suggesting that Zn2+ ions were internalized, causing the damage. ZnO NPs strongly inhibited cell proliferation and MTT reduction at 10 and 20 μg/cm2 after 72 h of treatment. ZnO NPs at 20 μg/cm2 elevated DCF fluorescence, indicating alterations in the cellular redox state associated with changes in ΔΨm and cell death. ZnO NPs also reduced the intracellular expression of troponin I and atrial natriuretic peptide. ZnO NPs are toxic for cardiac cells; therefore, consumption of products containing them could cause heart damage and the development of cardiovascular diseases.
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Patel R, Fu Y, Khang S, Benardeau AM, Thomson SC, Vallon V. Responses in Blood Pressure and Kidney Function to Soluble Guanylyl Cyclase Stimulation or Activation in Normal and Diabetic Rats. Nephron Clin Pract 2022; 147:281-300. [PMID: 36265461 PMCID: PMC10115913 DOI: 10.1159/000526934] [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: 03/04/2022] [Accepted: 08/22/2022] [Indexed: 01/09/2023] Open
Abstract
Introduction: Agonists of soluble guanylate cyclase (sGC) are being developed as treatment for cardiovascular disease. Most effects of nitric oxide (NO) on glomerular and tubular function are mediated through sGC but whether sGC agonists mimic these effects is unknown. Methods: Renal clearance and micropuncture studies were performed in Wistar-Froemter rats (WF), with or without streptozotocin diabetes (STZ-WF), and in Goto-Kakizaki rats (GK) with mild type-2 diabetes to test for acute effects of the sGC “stimulator” BAY 41-2272, which synergizes with endogenous NO, and the “activator” runcaciguat, which generates cGMP independent of NO. Results: Both sGC agonists reduced arterial blood pressure (MAP). For MAP reductions <10% the drugs increased GFR in WF and STZ-WF but not in GK. Larger MAP reductions outweighed this effect and GFR declined, with better preserved GFR in STZ-WF. Changes in GFR could not be accounted for by changes in RBF, suggesting parallel changes in ultrafiltration pressure and/or ultrafiltration coefficient. The doses chosen for micropuncture in WF and GK reduced MAP by 2–10% and the net effect on single nephron GFR and ultrafiltration pressure was neutral. Effects of the drugs on tubular reabsorption were dominated by declining MAP and no natriuretic effect observed at any dose. Discussion/Conclusion: sGC agonists impact kidney function directly and because they reduce MAP. The direct tendency to increase GFR is most apparent for MAP reductions <10%. The direct effect is otherwise subtle and overridden when MAP declines more. Effects of sGC agonists on tubular reabsorption are dominated by effects on MAP.
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Affiliation(s)
- Rohit Patel
- Department of Medicine, University of California San Diego, La Jolla, USA & VA San Diego Healthcare System, San Diego, USA
| | - Yiling Fu
- Department of Medicine, University of California San Diego, La Jolla, USA & VA San Diego Healthcare System, San Diego, USA
| | - Ser Khang
- Department of Medicine, University of California San Diego, La Jolla, USA & VA San Diego Healthcare System, San Diego, USA
| | | | - Scott C. Thomson
- Department of Medicine, University of California San Diego, La Jolla, USA & VA San Diego Healthcare System, San Diego, USA
| | - Volker Vallon
- Department of Medicine, University of California San Diego, La Jolla, USA & VA San Diego Healthcare System, San Diego, USA
- Department of Pharmacology, University of California San Diego, La Jolla, USA
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Diuvenji EV, Nevolina ED, Mart’yanov SV, Zhurina MA, Kalmantaeva OV, Makarova MA, Botchkova EA, Firstova VV, Plakunov VK, Gannesen AV. Binary Biofilms of Staphylococcus aureus 209P and Kytococcus schroeteri H01: Dualistic Role of Kytococci and Cell Adhesion Alterations in the Presence of the A-Type Natriuretic Peptide. Microbiology (Reading) 2022. [DOI: 10.1134/s002626172260118x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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Qi Y, Xu H, Li X, Zhao X, Li Y, Zhou X, Chen S, Shen N, Chen R, Li Y, Sun Z, Guo C. Silica nanoparticles induce cardiac injury and dysfunction via ROS/Ca 2+/CaMKII signaling. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 837:155733. [PMID: 35526619 DOI: 10.1016/j.scitotenv.2022.155733] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 04/30/2022] [Accepted: 05/02/2022] [Indexed: 06/14/2023]
Abstract
Interest is growing to better comprehend the interaction of silica nanoparticles (SiNPs) with the cardiovascular system. In particular, the extremely small size, relatively large surface area and associated unique properties may greatly enhance its toxic potentials compared to larger-sized counterparts. Nevertheless, the underlying mechanisms still need to be evaluated. In this context, the cardiotoxicity of nano-scale (Si-60; particle diameter about 60 nm) and submicro-scale silica particles (Si-300; 300 nm) were examined in ApoE-/- mice via intratracheal instillation, 6.0 mg/kg·bw, once per week for 12 times. The echocardiography showed that the sub-chronic exposure of Si-60 declined cardiac output (CO) and stroke volume (SV), shorten LVIDd and LVIDs, and thickened LVAWs of ApoE-/- mice in compared to the control and Si-300 groups. Histological investigations manifested Si-60 enhanced inflammatory infiltration, myocardial fiber arrangement disorder, hypertrophy and fibrosis in the cardiac tissue, as well as mitochondrial ultrastructural injury. Accordingly, the serum cTnT, cTnI and ANP were significantly elevated by Si-60, as well as cardiac ANP content. In particular, Si-60 greatly increased cardiac ROS, Ca2+ levels and CaMKII activation in comparison with Si-300. Further, in vitro investigations revealed silica particles induced a dose- and size-dependent activation of oxidative stress, mitochondrial membrane permeabilization, intracellular Ca2+ overload, CaMKII signaling activation and ensuing myocardial apoptosis in human cardiomyocytes (AC16). Mechanistic analyses revealed SiNPs induced myocardial apoptosis via ROS/Ca2+/CaMKII signaling, which may contribute to the abnormalities in cardiac structure and function in vivo. In summary, our research revealed SiNPs caused myocardial impairments, dysfunction and even structural remodeling via ROS/Ca2+/CaMKII signaling. Of note, a size-dependent myocardial toxicity was noticed, that is, Si-60 greater than Si-300.
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Affiliation(s)
- Yi Qi
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Hailin Xu
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Xueyan Li
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Xinying Zhao
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Yan Li
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Xianqing Zhou
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Siyu Chen
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
| | - Ning Shen
- Nantong Fourth People's Hospital, Kangda College of Nanjing Medical University Affiliated Nantong Mental Health Centre, Nantong 226005, China; China Exposomics Institute (CEI) Precision Medicine Co. Ltd, Shanghai 200120, China
| | - Rui Chen
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Yanbo Li
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China.
| | - Zhiwei Sun
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Caixia Guo
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China.
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Katsuki S, Ota S, Yoda S, Onimaru H, Dohi K, Izumizaki M. Effects of ANP and BNP on the generation of respiratory rhythms in brainstem-spinal cord preparation isolated from newborn rats. Biomed Res 2022; 43:127-135. [PMID: 35989288 DOI: 10.2220/biomedres.43.127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Natriuretic peptides (NPs) are a family of peptide hormones produced in cardiac muscle cells and consist mainly of three types: atrial NP (ANP), B-type (or brain) NP (BNP), and C-type NP. We herein report the effects of ANP and BNP on central respiratory activity in brainstem-spinal cord preparation isolated from newborn rats. Bath application of these peptides (100 nM) induced a weak transient depression of the respiratory rhythm followed by recovery. Respiratory-related neurons in the rostral ventrolateral medulla showed a tendency for transient hyperpolarization followed by recovery during the application of ANP or BNP. The application of a membrane-permeable cGMP, 8-Br-cGMP (10 or 20 μM), did not induce significant effects on respiratory rhythm, suggesting no involvement of guanylyl cyclase in effects of ANP or BNP. We also examined effects of BNP on respiratory depression induced by the sedative dexmedetomidine, which exerts an inhibitory influence on respiratory rhythm. When pretreated with 50 nM BNP, the inhibitory effect of 100 nM dexmedetomidine was significantly reduced. Our findings suggest that ANP and BNP act as mild excitatory agents with sustained effects on respiratory rhythm after an initial transient depression.
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Affiliation(s)
- Shino Katsuki
- Department of Physiology, Showa University School of Medicine.,Department of Emergency, Disaster and Critical Care Medicine, Showa University
| | - Shinichiro Ota
- Department of Physiology, Showa University School of Medicine
| | - Shunya Yoda
- Department of Physiology, Showa University School of Medicine
| | - Hiroshi Onimaru
- Department of Physiology, Showa University School of Medicine
| | - Kenji Dohi
- Department of Emergency, Disaster and Critical Care Medicine, Showa University
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Pleiotropic Roles of Atrial Natriuretic Peptide in Anti-Inflammation and Anti-Cancer Activity. Cancers (Basel) 2022; 14:cancers14163981. [PMID: 36010974 PMCID: PMC9406604 DOI: 10.3390/cancers14163981] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 08/07/2022] [Accepted: 08/15/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary The relationship between inflammation and carcinogenesis, as well as the response to anti-tumor therapy, is intimate. Atrial natriuretic peptides (ANPs) play a pivotal role in the homeostatic control of blood pressure, electrolytes, and water balance. In addition, ANPs exert immune-modulatory effects in the tissue microenvironment, thus exhibiting a fascinating ability to prevent inflammation-related tumorigenesis and cancer recurrence. In cancers, ANPs show anti-proliferative effects through several molecular pathways. Furthermore, ANPs attenuate the side effects of cancer therapy. Therefore, ANPs have potential therapeutic value in tumors. Here, we summarized the roles of ANPs in diverse aspects of the immune system and the molecular mechanisms underlying the anti-cancer effects of ANPs, contributing to the development of ANP-based anti-cancer agents. Abstract The atrial natriuretic peptide (ANP), a cardiovascular hormone, plays a pivotal role in the homeostatic control of blood pressure, electrolytes, and water balance and is approved to treat congestive heart failure. In addition, there is a growing realization that ANPs might be related to immune response and tumor growth. The anti-inflammatory and immune-modulatory effects of ANPs in the tissue microenvironment are mediated through autocrine or paracrine mechanisms, which further suppress tumorigenesis. In cancers, ANPs show anti-proliferative effects through several molecular pathways. Furthermore, ANPs attenuate the side effects of cancer therapy. Therefore, ANPs act on several hallmarks of cancer, such as inflammation, angiogenesis, sustained tumor growth, and metastasis. In this review, we summarized the contributions of ANPs in diverse aspects of the immune system and the molecular mechanisms underlying the anti-cancer effects of ANPs.
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Atrial Natriuretic Peptide (ANP) Suppress λ-Carrageenan-Induced Acute Paw Edema by Modulating Pro-inflammatory Genes in Swiss Albino Mice. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-022-10444-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Purification, characterization, and preliminary serial crystallography diffraction advances structure determination of full-length human particulate guanylyl cyclase A receptor. Sci Rep 2022; 12:11824. [PMID: 35821229 PMCID: PMC9276669 DOI: 10.1038/s41598-022-15798-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 06/29/2022] [Indexed: 11/13/2022] Open
Abstract
Particulate Guanylyl Cyclase Receptor A (pGC-A) is a natriuretic peptide membrane receptor, playing a vital role in controlling cardiovascular, renal, and endocrine functions. The extracellular domain interacts with natriuretic peptides and triggers the intracellular guanylyl cyclase domain to convert GTP to cGMP. To effectively develop methods to regulate pGC-A, structural information on the full-length form is needed. However, structural data on the transmembrane and intracellular domains are lacking. This work presents expression and optimization using baculovirus, along with the first purification of functional full-length human pGC-A. In vitro assays revealed the pGC-A tetramer was functional in detergent micelle solution. Based on our purification results and previous findings that dimer formation is required for functionality, we propose a tetramer complex model with two functional subunits. Previous research suggested pGC-A signal transduction is an ATP-dependent, two-step mechanism. Our results show the binding ligand also moderately activates pGC-A, and ATP is not crucial for activation of guanylyl cyclase. Furthermore, crystallization of full-length pGC-A was achieved, toward determination of its structure. Needle-shaped crystals with 3 Å diffraction were observed by serial crystallography. This work paves the road for determination of the full-length pGC-A structure and provides new information on the signal transduction mechanism.
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Khan SS, Bada HS, Torres M, Almodovar M, Hanna M. The Trend of Urinary N Terminal Probrain Natriuretic Peptide in Extremely Low Birth Weight Infants during the Neonatal Period. Am J Perinatol 2022; 39:1027-1032. [PMID: 34753181 DOI: 10.1055/a-1692-1039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE N-terminal probrain natriuretic peptide (NT-proBNP) is a biomarker of interest in many cardiopulmonary diseases in extremely low birth weight (ELBW) Infants. However, there is a gap in knowledge about the trend of ELBW infant's urinary NT-proBNP during the neonatal period. AIM To determine the trend of urinary NT-proBNP during the first 4 weeks of life of an ELBW infant. STUDY DESIGN We analyzed prospectively enrolled 87 ELBW infants. Urinary NT-proBNP to creatinine ratios were measured on days 1 to 7, 14, and 28 of life. We plotted each study point's means to determine the trend of urinary NT-proBNP over the entire neonatal period. Data were analyzed using the Friedman analysis of variance for comparative analysis of study points. RESULTS Urinary NT-proBNP/creatinine ratios were significantly elevated on days 1 to 7 (mean 2,452, ± 1,518) than day 14 (mean 747, ± 176), and day 28 (mean 149, ± 54), p = 0.001. Overall, urinary NT-proBNP levels were highest during days 1 to 3 (mean 3,232, ± 1,255) and lowest on day 28 (mean 149, ± 54). CONCLUSION Urinary NT-proBNP levels are higher during the first week in ELBW infants with a downward trend during the neonatal period, the lowest values at 4 weeks postnatal age. More studies are required to determine the clinical utility of this trend during and beyond the neonatal period. KEY POINTS · NT-proBNP is a biomarker for monitoring cardiac disease in premature infants.. · The trend of urinary NT-proBNP is unknown in premature infants.. · A trend of urinary NT-proBNP was determined during the first 4 weeks in premature infants..
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Affiliation(s)
- Safdar S Khan
- Division of Neonatology, Department of Pediatrics, University of Miami Miller School of Medicine, Miami, Florida
| | - Henrietta S Bada
- Division of Neonatology, Department of Pediatrics, College of Medicine, University of Kentucky, Lexington, Kentucky
| | - Maritza Torres
- Division of Neonatology, Department of Pediatrics, University of Miami Miller School of Medicine, Miami, Florida
| | - Melvin Almodovar
- Division of Pediatric Cardiology, Department of Pediatrics, University of Miami Miller School of Medicine, Miami, Florida
| | - Mina Hanna
- Division of Neonatology, Department of Pediatrics, College of Medicine, University of Kentucky, Lexington, Kentucky
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Allwood BW, Koegelenberg CF, Ngah VD, Sigwadhi LN, Irusen EM, Lalla U, Yalew A, Tamuzi JL, McAllister M, Zemlin AE, Jalavu TP, Erasmus R, Chapanduka ZC, Matsha TE, Fwemba I, Zumla A, Nyasulu PS. Predicting COVID-19 outcomes from clinical and laboratory parameters in an intensive care facility during the second wave of the pandemic in South Africa. IJID REGIONS 2022; 3:242-247. [PMID: 35720137 PMCID: PMC8971059 DOI: 10.1016/j.ijregi.2022.03.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 03/29/2022] [Accepted: 03/30/2022] [Indexed: 02/07/2023]
Abstract
Background The second wave of coronavirus disease 2019 (COVID-19) in South Africa was caused by the Beta variant of severe acute respiratory syndrome coronavirurus-2. This study aimed to explore clinical and biochemical parameters that could predict outcome in patients with COVID-19. Methods A prospective study was conducted between 5 November 2020 and 30 April 2021 among patients with confirmed COVID-19 admitted to the intensive care unit (ICU) of a tertiary hospital. The Cox proportional hazards model in Stata 16 was used to assess risk factors associated with survival or death. Factors with P<0.05 were considered significant. Results Patients who died were found to have significantly lower median pH (P<0.001), higher median arterial partial pressure of carbon dioxide (P<0.001), higher D-dimer levels (P=0.001), higher troponin T levels (P=0.001), higher N-terminal-prohormone B-type natriuretic peptide levels (P=0.007) and higher C-reactive protein levels (P=0.010) compared with patients who survived. Increased standard bicarbonate (HCO3std) was associated with lower risk of death (hazard ratio 0.96, 95% confidence interval 0.93-0.99). Conclusions The mortality of patients with COVID-19 admitted to the ICU was associated with elevated D-dimer and a low HCO3std level. Large studies are warranted to increase the identification of patients at risk of poor prognosis, and to improve the clinical approach.
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Affiliation(s)
- Brian W. Allwood
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
| | - Coenraad F. Koegelenberg
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
| | - Veranyuy D. Ngah
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Lovemore N. Sigwadhi
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Elvis M. Irusen
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
| | - Usha Lalla
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
| | - Anteneh Yalew
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
- Department of Statistics, College of Natural and Computational Sciences, Addis Ababa University, Addis Ababa, Ethiopia
- National Data Management Centre for Health, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
| | - Jacques L. Tamuzi
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Marli McAllister
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Annalise E. Zemlin
- Division of Chemical Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
| | - Thumeka P. Jalavu
- Division of Chemical Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
| | - Rajiv Erasmus
- Division of Chemical Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
| | - Zivanai C. Chapanduka
- Division of Haematological Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
| | - Tandi E. Matsha
- Faculty of Health and Wellness Sciences, Peninsula University of Technology, Bellville Campus, Cape Town
| | - Isaac Fwemba
- School of Public Health, University of Zambia, Lusaka, Zambia
| | - Alimuddin Zumla
- Division of Infection and Immunity, Centre for Clinical Microbiology, University College London Royal Free Campus, London, UK
- NIHR Biomedical Research Centre, UCL Hospitals NHS Foundation Trust, London, UK
| | - Peter S. Nyasulu
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
- Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - COVID-19 Research Response Collaboration
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
- Department of Statistics, College of Natural and Computational Sciences, Addis Ababa University, Addis Ababa, Ethiopia
- National Data Management Centre for Health, Ethiopian Public Health Institute, Addis Ababa, Ethiopia
- Division of Chemical Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
- Division of Haematological Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
- Faculty of Health and Wellness Sciences, Peninsula University of Technology, Bellville Campus, Cape Town
- School of Public Health, University of Zambia, Lusaka, Zambia
- Division of Infection and Immunity, Centre for Clinical Microbiology, University College London Royal Free Campus, London, UK
- NIHR Biomedical Research Centre, UCL Hospitals NHS Foundation Trust, London, UK
- Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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Grange RMH, Preedy MEJ, Renukanthan A, Dignam JP, Lowe VJ, Moyes AJ, Pérez-Ternero C, Aubdool AA, Baliga RS, Hobbs AJ. Multidrug resistance proteins preferentially regulate natriuretic peptide-driven cGMP signalling in the heart and vasculature. Br J Pharmacol 2022; 179:2443-2459. [PMID: 34131904 DOI: 10.1111/bph.15593] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 05/07/2021] [Accepted: 05/14/2021] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND AND PURPOSE cGMP underpins the bioactivity of NO and natriuretic peptides and is key to cardiovascular homeostasis. cGMP-driven responses are terminated primarily by PDEs, but cellular efflux via multidrug resistance proteins (MRPs) might contribute. Herein, the effect of pharmacological blockade of MRPs on cGMP signalling in the heart and vasculature was investigated in vitro and in vivo. EXPERIMENTAL APPROACH Proliferation of human coronary artery smooth muscle cells (hCASMCs), vasorelaxation of murine aorta and reductions in mean arterial BP (MABP) in response to NO donors or natriuretic peptides were determined in the absence and presence of the MRP inhibitor MK571. The ability of MRP inhibition to reverse morphological and contractile deficits in a murine model of pressure overload-induced heart failure was also explored. KEY RESULTS MK571 attenuated hCASMC growth and enhanced the anti-proliferative effects of NO and atrial natriuretic peptide (ANP). MRP blockade caused concentration-dependent relaxations of murine aorta and augmented responses to ANP (and to a lesser extent NO). MK571 did not decrease MABP per se but enhanced the hypotensive actions of ANP and improved structural and functional indices of disease severity in experimental heart failure. These beneficial actions of MRP inhibition were associated with a greater intracellular:extracellular cGMP ratio in vitro and in vivo. CONCLUSIONS AND IMPLICATIONS MRP blockade promotes the cardiovascular functions of natriuretic peptides in vitro and in vivo, with more modest effects on NO. MRP inhibition may have therapeutic utility in cardiovascular diseases triggered by dysfunctional cGMP signalling, particularly those associated with altered natriuretic peptide bioactivity. LINKED ARTICLES This article is part of a themed issue on cGMP Signalling in Cell Growth and Survival. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v179.11/issuetoc.
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Affiliation(s)
- Robert M H Grange
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Michael E J Preedy
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Aniruthan Renukanthan
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Joshua P Dignam
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Vanessa J Lowe
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Amie J Moyes
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Cristina Pérez-Ternero
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Aisah A Aubdool
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Reshma S Baliga
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Adrian J Hobbs
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
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Ding K, Gui Y, Hou X, Ye L, Wang L. Transient Receptor Potential Channels, Natriuretic Peptides, and Angiotensin Receptor-Neprilysin Inhibitors in Patients With Heart Failure. Front Cardiovasc Med 2022; 9:904881. [PMID: 35722101 PMCID: PMC9204593 DOI: 10.3389/fcvm.2022.904881] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 04/26/2022] [Indexed: 12/11/2022] Open
Abstract
Heart failure (HF) remains the leading cause of death, morbidity, and medical expenses worldwide. Treatments for HF with reduced ejection fraction have progressed in recent years; however, acute decompensated heart failure remains difficult to treat. The transient receptor potential (TRP) channel family plays roles in various cardiovascular diseases, responding to neurohormonal and mechanical load stimulation. Thus, TRP channels are promising targets for drug discovery, and many studies have evaluated the roles of TRP channels expressed on pain neurons. The natriuretic peptide (NP) family of proteins regulates blood volume, natriuresis, and vasodilation and can antagonize the renin-angiotensin-aldosterone system and participate in the pathogenesis of major cardiovascular diseases, such as HF, coronary atherosclerotic heart disease, and left ventricular hypertrophy. NPs are degraded by neprilysin, and the blood level of NPs has predictive value in the diagnosis and prognostic stratification of HF. In this review, we discuss the relationships between typical TRP family channels (e.g., transient receptor potential cation channel subfamily V member 1 andTRPV1, transient receptor potential cation channel subfamily C member 6) and the NP system (e.g., atrial NP, B-type NP, and C-type NP) and their respective roles in HF. We also discuss novel drugs introduced for the treatment of HF.
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Affiliation(s)
- Kun Ding
- Bengbu Medical College, Bengbu, China
- Zhejiang Provincial People’s Hospital, Hangzhou, China
| | - Yang Gui
- Bengbu Medical College, Bengbu, China
- Zhejiang Provincial People’s Hospital, Hangzhou, China
| | - Xu Hou
- Bengbu Medical College, Bengbu, China
- Zhejiang Provincial People’s Hospital, Hangzhou, China
| | - Lifang Ye
- Zhejiang Provincial People’s Hospital, Hangzhou, China
| | - Lihong Wang
- Zhejiang Provincial People’s Hospital, Hangzhou, China
- *Correspondence: Lihong Wang,
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64
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Luo JC, Zhang YJ, Huang DL, Wang H, Luo MH, Hou JY, Hao GW, Su Y, Tu GW, Luo Z. Recombinant human brain natriuretic peptide ameliorates venous return function in congestive heart failure. ESC Heart Fail 2022; 9:2635-2644. [PMID: 35611916 PMCID: PMC9288780 DOI: 10.1002/ehf2.13987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 05/01/2022] [Accepted: 05/04/2022] [Indexed: 11/21/2022] Open
Abstract
Aims Recombinant human brain natriuretic peptide (rh‐BNP) is commonly used as a decongestive therapy. This study aimed to investigate the instant effects of rh‐BNP on cardiac output and venous return function in post‐cardiotomy patients with congestive heart failure (CHF). Methods and results Twenty‐four post‐cardiotomy heart failure patients were enrolled and received a standard loading dose of rh‐BNP. Haemodynamic monitoring was performed via a pulmonary artery catheter before and after the administration of rh‐BNP. The cardiac output and venous return functions were estimated by depicting Frank‐Starling and Guyton curves. After rh‐BNP infusion, variables reflecting cardiac congestion and venous return function, such as pulmonary artery wedge pressure, mean systemic filling pressure (Pmsf) and venous return resistance index (VRRI), reduced from 15 ± 3 to 13 ± 3 mmHg, from 32 ± 7 to 28 ± 7 mmHg and from 6.7 ± 2.6 to 5.7 ± 1.8 mmHg min m2/L, respectively. Meanwhile, cardiac index, stroke volume index, and the cardiac output function curve remained unchanged per se. The decline in Pmsf [−13% (−22% to −8%)] and VRRI [−12% (−25% to −5%)] was much greater than that in the systemic vascular resistance index [−7% (−14% to 0%)]. In the subgroup analysis of reduced ejection fraction (<40%) patients, the aforementioned changes were more significant. Conclusions rh‐BNP might ameliorate venous return rather than cardiac output function in post‐cardiotomy CHF patients.
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Affiliation(s)
- Jing-Chao Luo
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yi-Jie Zhang
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Dan-Lei Huang
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical College, Fudan University, Shanghai, China
| | - Huan Wang
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ming-Hao Luo
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical College, Fudan University, Shanghai, China
| | - Jun-Yi Hou
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Guang-Wei Hao
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ying Su
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Guo-Wei Tu
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhe Luo
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Critical Care Medicine, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, China.,Shanghai Key Lab of Pulmonary Inflammation and Injury, Shanghai, China
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65
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Omran F, Kyrou I, Osman F, Lim VG, Randeva HS, Chatha K. Cardiovascular Biomarkers: Lessons of the Past and Prospects for the Future. Int J Mol Sci 2022; 23:ijms23105680. [PMID: 35628490 PMCID: PMC9143441 DOI: 10.3390/ijms23105680] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 12/12/2022] Open
Abstract
Cardiovascular diseases (CVDs) are a major healthcare burden on the population worldwide. Early detection of this disease is important in prevention and treatment to minimise morbidity and mortality. Biomarkers are a critical tool to either diagnose, screen, or provide prognostic information for pathological conditions. This review discusses the historical cardiac biomarkers used to detect these conditions, discussing their application and their limitations. Identification of new biomarkers have since replaced these and are now in use in routine clinical practice, but still do not detect all disease. Future cardiac biomarkers are showing promise in early studies, but further studies are required to show their value in improving detection of CVD above the current biomarkers. Additionally, the analytical platforms that would allow them to be adopted in healthcare are yet to be established. There is also the need to identify whether these biomarkers can be used for diagnostic, prognostic, or screening purposes, which will impact their implementation in routine clinical practice.
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Affiliation(s)
- Farah Omran
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; (F.O.); (I.K.); (F.O.); (V.G.L.); (H.S.R.)
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK
- Clinical Sciences Research Laboratories, University Hospitals Coventry and Warwickshire, Coventry CV2 2DX, UK
| | - Ioannis Kyrou
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; (F.O.); (I.K.); (F.O.); (V.G.L.); (H.S.R.)
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK
- Centre of Applied Biological & Exercise Sciences, Faculty of Health & Life Sciences, Coventry University, Coventry CV1 5FB, UK
- Aston Medical School, College of Health and Life Sciences, Aston University, Birmingham B4 7ET, UK
- Laboratory of Dietetics and Quality of Life, Department of Food Science and Human Nutrition, School of Food and Nutritional Sciences, Agricultural University of Athens, 11855 Athens, Greece
| | - Faizel Osman
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; (F.O.); (I.K.); (F.O.); (V.G.L.); (H.S.R.)
- Department of Cardiology, University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK
| | - Ven Gee Lim
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; (F.O.); (I.K.); (F.O.); (V.G.L.); (H.S.R.)
- Department of Cardiology, University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK
| | - Harpal Singh Randeva
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; (F.O.); (I.K.); (F.O.); (V.G.L.); (H.S.R.)
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK
- Clinical Sciences Research Laboratories, University Hospitals Coventry and Warwickshire, Coventry CV2 2DX, UK
| | - Kamaljit Chatha
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; (F.O.); (I.K.); (F.O.); (V.G.L.); (H.S.R.)
- Biochemistry and Immunology Department, University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK
- Correspondence:
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Nicolae B, Ecaterina L. Natriuretic peptides in elderly patients with chronic obstructive pulmonary disease. THE EGYPTIAN JOURNAL OF BRONCHOLOGY 2022. [DOI: 10.1186/s43168-022-00132-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Natriuretic peptides (NPs) are considered a useful tool for diagnosing the cardiac or pulmonary origin of acute dyspnea in the emergency department. The aim of this study was to evaluate NP in elderly patients with chronic obstructive pulmonary disease (COPD).
Materials and methods
In the PubMed and Hinari databases, we identified 465 comprehensive articles in English, published in the years 1990–2021, which provided information on natriuretic peptides in elderly patients with COPD. The final bibliography contains 49 relevant sources.
Results
NP, specially BNP/NT-proBNP values are frequently elevated in patients with COPD, reflecting three complex aspects of the interrelated cardio-pulmonary continuum: (1) left ventricular systolic and diastolic dysfunction, (2) pulmonary vascular and right heart remodeling, (3) global cardiovascular risk and comorbidities. The additional increase in BNP/NT-proBNP values during acute exacerbation of COPD is probably a marker for both, acute estate of COPD and varying degrees of underlying cardiopulmonary disease.
The results of the studies suggest the role of natriuretic peptides as relevant prognostic biomarkers not only for patients with cardiovascular disease, but also for patients with chronic obstructive pulmonary disease, which has an important clinical implication. The determination of these biomarkers in patients with chronic obstructive pulmonary disease allows stratification for prognosis: it is able to select a subgroup of patients at higher risk, which requires increased attention and optimization of treatment.
Conclusion
NPs, especially BNP/NT-proBNP are relevant prognostic biomarkers not only for patients with cardiovascular disease, but also for patients with COPD, acute exacerbations and haemodynamic disorders like PH and cor pulmonale. Estimating BNP/NT-proBNP in COPD patients has an important clinical implication: it allows the selection of a subgroup of patients at higher risk, which requires increased attention and treatment optimization.
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Komarova N, Panova O, Titov A, Kuznetsov A. Aptamers Targeting Cardiac Biomarkers as an Analytical Tool for the Diagnostics of Cardiovascular Diseases: A Review. Biomedicines 2022; 10:biomedicines10051085. [PMID: 35625822 PMCID: PMC9138532 DOI: 10.3390/biomedicines10051085] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/05/2022] [Accepted: 05/06/2022] [Indexed: 02/04/2023] Open
Abstract
The detection of cardiac biomarkers is used for diagnostics, prognostics, and the risk assessment of cardiovascular diseases. The analysis of cardiac biomarkers is routinely performed with high-sensitivity immunological assays. Aptamers offer an attractive alternative to antibodies for analytical applications but, to date, are not widely practically implemented in diagnostics and medicinal research. This review summarizes the information on the most common cardiac biomarkers and the current state of aptamer research regarding these biomarkers. Aptamers as an analytical tool are well established for troponin I, troponin T, myoglobin, and C-reactive protein. For the rest of the considered cardiac biomarkers, the isolation of novel aptamers or more detailed characterization of the known aptamers are required. More attention should be addressed to the development of dual-aptamer sandwich detection assays and to the studies of aptamer sensing in alternative biological fluids. The universalization of aptamer-based biomarker detection platforms and the integration of aptamer-based sensing to clinical studies are demanded for the practical implementation of aptamers to routine diagnostics. Nevertheless, the wide usage of aptamers for the diagnostics of cardiovascular diseases is promising for the future, with respect to both point-of-care and laboratory testing.
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Gantzel RH, Kjær MB, Jepsen P, Aagaard NK, Watson H, Gluud LL, Grønbæk H. Effects and safety of natriuretic peptides as treatment of cirrhotic ascites: A systematic review and meta-analysis. World J Hepatol 2022; 14:827-845. [PMID: 35646272 PMCID: PMC9099106 DOI: 10.4254/wjh.v14.i4.827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 11/22/2021] [Accepted: 03/27/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Natriuretic peptides are involved in the cascade of pathophysiological events occurring in liver cirrhosis, counterbalancing vasoconstriction and anti-natriuretic factors. The effects of natriuretic peptides as treatment of cirrhotic ascites have been investigated only in small studies, and definitive results are lacking.
AIM To examine the effects and safety of natriuretic peptides in cirrhosis patients with ascites.
METHODS We searched MEDLINE, Web of Science, Scopus, Cochrane Library and Embase for all available studies applying intravenous administration of any natriuretic peptide to patients suffering from cirrhotic ascites. Inclusion was not limited by treatment duration or dose, or by follow-up duration. Both randomised controlled trials and non-randomised studies were eligible for inclusion. The primary outcome was change in renal sodium excretion. Secondary outcomes included safety measures and changes in renal water excretion, plasma aldosterone concentration, and plasma renin activity.
RESULTS Twenty-two studies were included. Atrial natriuretic peptide (ANP) was the only intensively studied treatment. Sodium excretion increased in response to continuous ANP infusion and was more pronounced when infusion rates of > 30 ng/kg/min were administered compared with ≤ 30 ng/kg/min (P < 0.01). Moreover, natriuresis was significantly higher in study subgroups with mild/moderate ascites compared with moderate/severe and refractory ascites (P < 0.01). ANP infusions increased renal water excretion, although without reaching a statistically significant dose-response gradient. Plasma aldosterone concentration and plasma renin activity were significantly lower at baseline in study subgroups achieving a negative sodium balance in response to an ANP administration compared with treatment non-responders (P < 0.01). Blood pressure decreases occurred less frequently when ANP doses ≤ 30 ng/kg/min were applied. The quality of evidence for a natriuretic response to ANP was low, mainly due to small sample sizes and considerable between-study heterogeneity. Data were sparse for the other natriuretic peptides; B-type natriuretic peptide and urodilatin.
CONCLUSION Intravenous ANP infusions increase sodium excretion in patients with cirrhotic ascites. Continuous infusion rates > 30 ng/kg/min are the most effective. However, safety increases with infusion rates ≤ 30 ng/kg/min.
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Affiliation(s)
- Rasmus Hvidbjerg Gantzel
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N 8200, Denmark
| | - Mikkel Breinholt Kjær
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N 8200, Denmark
| | - Peter Jepsen
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N 8200, Denmark
| | - Niels Kristian Aagaard
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N 8200, Denmark
| | - Hugh Watson
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N 8200, Denmark
| | - Lise Lotte Gluud
- Gastroenterology Unit, Copenhagen University Hospital, Hvidovre 2650, Denmark
- Department of Clinical Medicine, University of Copenhagen, Hvidovre 2650, Denmark
| | - Henning Grønbæk
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N 8200, Denmark
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Smith R, Perez-Ternero C, Conole D, Martin C, Myers SH, Hobbs AJ, Selwood DL. A Series of Substituted Bis-Aminotriazines Are Activators of the Natriuretic Peptide Receptor C. J Med Chem 2022; 65:5495-5513. [PMID: 35333039 PMCID: PMC9014859 DOI: 10.1021/acs.jmedchem.1c01974] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
C-type natriuretic peptide (CNP) is involved in the regulation of vascular homeostasis, which is at least partly mediated through agonism of natriuretic peptide receptor C (NPR-C), and loss of this signaling has been associated with vascular dysfunction. As such, NPR-C is a novel therapeutic target to treat cardiovascular diseases. A series of novel small molecules have been designed and synthesized, and their structure-activity relationships were evaluated by a surface plasmon resonance binding assay. The biological activity of hit compounds was confirmed through organ bath assays measuring vascular relaxation and inhibition of cAMP production, which was shown to be linked to its NPR-C activity. Lead compound 1 was identified as a potent agonist (EC50 ∼ 1 μM) with promising in vivo pharmacokinetic properties.
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Affiliation(s)
- Robert
J. Smith
- Wolfson
Institute for Biomedical Research, University
College London, Cruciform Building, Gower St, London WC1E 6DH, U.K.
| | - Cristina Perez-Ternero
- William
Harvey Research Institute, Barts & The London School of Medicine, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, U.K.
| | - Daniel Conole
- Wolfson
Institute for Biomedical Research, University
College London, Cruciform Building, Gower St, London WC1E 6DH, U.K.
| | - Capucine Martin
- William
Harvey Research Institute, Barts & The London School of Medicine, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, U.K.
| | - Samuel H. Myers
- Wolfson
Institute for Biomedical Research, University
College London, Cruciform Building, Gower St, London WC1E 6DH, U.K.
| | - Adrian J. Hobbs
- William
Harvey Research Institute, Barts & The London School of Medicine, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, U.K.
| | - David L. Selwood
- Wolfson
Institute for Biomedical Research, University
College London, Cruciform Building, Gower St, London WC1E 6DH, U.K.
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Jansen van Vuuren J, Pillay S, Naidoo A. Circulating Biomarkers in Long-Term Stroke Prognosis: A Scoping Review Focusing on the South African Setting. Cureus 2022; 14:e23971. [PMID: 35547443 PMCID: PMC9090128 DOI: 10.7759/cureus.23971] [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] [Accepted: 04/09/2022] [Indexed: 12/11/2022] Open
Abstract
Cerebrovascular disease, including both ischaemic and haemorrhagic strokes, remains one of the highest causes of global morbidity and mortality. Developing nations, such as South Africa (SA), are affected disproportionately. Early identification of stroke patients at risk of poor clinical prognosis may result in improved outcomes. In addition to conventional neuroimaging, the role of predictive biomarkers has been shown to be important. Little data exist on their applicability within SA. This scoping review aimed to evaluate the currently available data pertaining to blood biomarkers that aid in the long-term prognostication of patients following stroke and its potential application in the South African setting. This scoping review followed a 6-stage process to identify and critically review currently available literature pertaining to prognostic biomarkers in stroke. An initial 1191 articles were identified and, following rigorous review, 41 articles were included for the purposes of the scoping review. A number of potential biomarkers were identified and grouped according to the function or origin of the marker. Although most biomarkers showed great prognostic potential, the cost and availability will likely limit their application within SA. The burden of stroke is increasing worldwide and appears to be affecting developing countries disproportionately. Access to neuroradiological services is not readily available in all settings and the addition of biomarkers to assist in the long-term prognostication of patients following a stroke can be of great clinical value. The cost and availability of many of the reviewed biomarkers will likely hinder their use in the South African setting.
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Affiliation(s)
- Juan Jansen van Vuuren
- Department of Neurology, Grey's Hospital, Pietermaritzburg, ZAF
- School of Clinical Medicine, PhD programme, University of KwaZulu-Natal, Pietermaritzburg, ZAF
- Member, Royal Society of South Africa, Cape Town, ZAF
| | | | - Ansuya Naidoo
- Neurology, University of KwaZulu-Natal, Pietermaritzburg, ZAF
- Department of Neurology, Grey's Hospital, University of KwaZulu-Natal, Pietermaritzburg, ZAF
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Mei Z, Luo S, Chen P, Zhang Q, Zhou L, Zhu C, Zhu H, Jin L. Efficacy of brain natriuretic peptide vs. nicorandil in preventing contrast-induced nephropathy: a network meta-analysis. PeerJ 2022; 10:e12975. [PMID: 35228908 PMCID: PMC8881910 DOI: 10.7717/peerj.12975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/31/2022] [Indexed: 01/11/2023] Open
Abstract
This study aimed to conduct a network meta-analysis (NMA) to compare the efficacy of brain natriuretic peptide (BNP) vs nicorandil for preventing contrast-induced nephropathy (CIN). Databases of Pubmed, Cochrane, Embase, Web of Science were searched by keywords for eligible studies of randomized controlled trials investigating different agents (BNP, nicorandil, nitroglycerin, intravenous saline) for preventing CIN. The outcomes included a change in serum creatinine level at 48 h and the incidence of CIN after percutaneous coronary intervention (PCI) or coronary angiography (CAG). A total of 13 studies with 3,462 patients were included. Compared with intravenous saline alone, except for nitroglycerin (odds ratio [OR]: 1.02, 95% CI [0.36-2.88]), the other drugs significantly reduced the CIN incidence with OR of 0.35 (95% CI [0.24-0.51]) for BNP, 0.52 (0.29, 0.94) for usual-dose nicorandil, 0.28 (0.19, 0.43) for double-dose nicorandil. BNP and double-dose nicorandil significantly decreased the change of serum creatinine (SCr) levels with mean difference (MD) of -6.98, (-10.01, -3.95) for BNP, -8.78, (-11.63, -5.93) for double-dose nicorandil. No significant differences were observed in the change of SCr levels for nitroglycerin (-4.97, [-11.46, 1.52]) and usual-dose nicorandil (-2.32, [-5.52, 0.89]) compared with intravenous saline alone. For double-dose nicorandil, the CIN incidence and the change of SCr level in group of 4-5 days treatment course were more than group of less than or equal to 24 h treatment course (OR of 1.48, [0.63-3.46] and MD of 2.48, [-1.96, 6.91]). In conclusion, BNP and double-dose nicorandil can have effects on preventing the incidence of CIN and double-dose nicorandil performed better than BNP. In double-dose nicorandil groups, a course of less than or equal to 24 h before and after procedure performed with better efficacy than a course of 4-5 days.
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Affiliation(s)
- Ziwei Mei
- Pharmacy Department, Lishui Municipal Central Hospital, Lishui, Zhejiang, China
| | - Songmei Luo
- Pharmacy Department, Lishui Municipal Central Hospital, Lishui, Zhejiang, China
| | - Peipei Chen
- Pharmacy Department, Lishui Municipal Central Hospital, Lishui, Zhejiang, China
| | - Qiankun Zhang
- Nephrology Department, Lishui Municipal Central Hospital, Lishui, Zhejiang, China
| | - Limei Zhou
- Nephrology Department, Lishui Municipal Central Hospital, Lishui, Zhejiang, China
| | - Chaoyong Zhu
- Nephrology Department, Lishui Municipal Central Hospital, Lishui, Zhejiang, China
| | - Hong Zhu
- Nephrology Department, Lishui Municipal Central Hospital, Lishui, Zhejiang, China
| | - Lie Jin
- Nephrology Department, Lishui Municipal Central Hospital, Lishui, Zhejiang, China
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A Review on Transcriptional Responses of Interactions between Insect Vectors and Plant Viruses. Cells 2022; 11:cells11040693. [PMID: 35203347 PMCID: PMC8870222 DOI: 10.3390/cells11040693] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/03/2022] [Accepted: 02/15/2022] [Indexed: 02/04/2023] Open
Abstract
This review provides a synopsis of transcriptional responses pertaining to interactions between plant viruses and the insect vectors that transmit them in diverse modes. In the process, it attempts to catalog differential gene expression pertinent to virus–vector interactions in vectors such as virus reception, virus cell entry, virus tissue tropism, virus multiplication, and vector immune responses. Whiteflies, leafhoppers, planthoppers, and thrips are the main insect groups reviewed, along with aphids and leaf beetles. Much of the focus on gene expression pertinent to vector–virus interactions has centered around whole-body RNA extraction, whereas data on virus-induced tissue-specific gene expression in vectors is limited. This review compares transcriptional responses in different insect groups following the acquisition of non-persistent, semi-persistent, and persistent (non-propagative and propagative) plant viruses and identifies parallels and divergences in gene expression patterns. Understanding virus-induced changes in vectors at a transcriptional level can aid in the identification of candidate genes for targeting with RNAi and/or CRISPR editing in insect vectors for management approaches.
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73
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Lauffer P, Boudin E, van der Kaay DCM, Koene S, van Haeringen A, van Tellingen V, Van Hul W, Prickett TCR, Mortier G, Espiner EA, van Duyvenvoorde HA. Broadening the spectrum of loss-of-function variants in NPR-C-related extreme tall stature. J Endocr Soc 2022; 6:bvac019. [PMID: 35233476 PMCID: PMC8879884 DOI: 10.1210/jendso/bvac019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Indexed: 11/28/2022] Open
Abstract
Context Natriuretic peptide receptor-C (NPR-C, encoded by NPR3) belongs to a family of cell membrane–integral proteins implicated in various physiological processes, including longitudinal bone growth. NPR-C acts as a clearance receptor of natriuretic peptides, including C-type natriuretic peptide (CNP), that stimulate the cGMP-forming guanylyl cyclase-coupled receptors NPR-A and NPR-B. Pathogenic variants in CNP, NPR2, and NPR3 may cause a tall stature phenotype associated with macrodactyly of the halluces and epiphyseal dysplasia. Objective Here we report on a boy with 2 novel biallelic inactivating variants of NPR3. Methods History and clinical characteristics were collected. Biochemical indices of natriuretic peptide clearance and in vitro cellular localization of NPR-C were studied to investigate causality of the identified variants. Results We identified 2 novel compound heterozygous NPR3 variants c.943G>A p.(Ala315Thr) and c.1294A>T p.(Ile432Phe) in a boy with tall stature and macrodactyly of the halluces. In silico analysis indicated decreased stability of NPR-C, presumably resulting in increased degradation or trafficking defects. Compared to other patients with NPR-C loss-of-function, the phenotype seemed to be milder: pseudo-epiphyses in hands and feet were absent, biochemical features were less severe, and there was some co-localization of p.(Ile432Phe) NPR-C with the cell membrane, as opposed to complete cytoplasmic retention. Conclusion With this report on a boy with tall stature and macrodactyly of the halluces we further broaden the genotypic and phenotypic spectrum of NPR-C-related tall stature.
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Affiliation(s)
- Peter Lauffer
- Department of Pediatric Endocrinology, Emma Children’s Hospital, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Eveline Boudin
- Department of Medical Genetics, Antwerp University Hospital and University of Antwerp, Antwerp, Belgium
| | - Daniëlle C M van der Kaay
- Department of Pediatric Endocrinology, Sophia Children’s Hospital, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Saskia Koene
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, the Netherlands
| | - Arie van Haeringen
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, the Netherlands
| | - Vera van Tellingen
- Department of Pediatrics, Catharina Hospital, Eindhoven, the Netherlands
| | - Wim Van Hul
- Department of Medical Genetics, Antwerp University Hospital and University of Antwerp, Antwerp, Belgium
| | | | - Geert Mortier
- Department of Medical Genetics, Antwerp University Hospital and University of Antwerp, Antwerp, Belgium
| | - Eric A Espiner
- Department of Medicine, University of Otago, Christchurch, New Zealand
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74
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Zhang R, Sun X, Li Y, He W, Zhu H, Liu B, Zhang A. The Efficacy and Safety of Sacubitril/Valsartan in Heart Failure Patients: A Review. J Cardiovasc Pharmacol Ther 2022; 27:10742484211058681. [PMID: 34994233 DOI: 10.1177/10742484211058681] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Heart failure (HF) is one of the leading causes of morbidity and mortality worldwide. Sacubitril/valsartan, an angiotensin receptor-neprilysin inhibitor, has been approved for the treatment of HF. At present, there have been few systematic and detailed reviews discussing the efficacy and safety of sacubitril/valsartan in HF. In this review, we first introduced the pharmacological mechanisms of sacubitril/valsartan, including the reduction in the degradation of natriuretic peptides in the natriuretic peptide system and inhibition of the renin-angiotensin system. Then, we summarized the efficacy of sacubitril/valsartan in HF patients with reduced ejection fraction (HFrEF) or preserved ejection fraction (HFpEF) including the reduction in risks of mortality and hospitalization, reversal of cardiac remodeling, regulation of biomarkers of HF, improvement of the quality of life, antiarrhythmia, improving renal dysfunction and regulation of metabolism. Finally, we discussed the safety and tolerability of sacubitril/valsartan in the treatment of HFrEF or HFpEF. Compared with ACEIs/ARBs or placebo, sacubitril/valsartan showed good safety and tolerability, although the risk of hypotension might be high. In conclusion, the overwhelming majority of studies show that sacubitril/valsartan is effective and safe in the treatment of HFrEF patients but that it has little benefit in HFpEF patients. Sacubitril/valsartan will probably be a promising anti-HF drug in the near future.
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Affiliation(s)
- Rui Zhang
- Department of Cardiology, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China.,Cardiac Care Unit, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China.,Cardiac Rehabilitation Centre, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Xiaotong Sun
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, Department of Anesthesiology, Weifang Medical University, Weifang, China
| | - Ya Li
- Department of Cardiology, Shanghai General Hospital, School of Medicine, 12474Shanghai Jiaotong University, Hongkou District, Shanghai, China
| | - Wenzheng He
- Intensive Care Unit, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Hongguang Zhu
- Dental Department, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Baoshan Liu
- Department of Cardiology, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China.,Cardiac Care Unit, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China.,Cardiac Rehabilitation Centre, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Aiyuan Zhang
- Department of Cardiology, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China.,Cardiac Care Unit, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China.,Cardiac Rehabilitation Centre, 117907Weifang People's Hospital, the First Affiliated Hospital of Weifang Medical University, Weifang, China
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75
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Wells KM, Baumel M, McCusker CD. The Regulation of Growth in Developing, Homeostatic, and Regenerating Tetrapod Limbs: A Minireview. Front Cell Dev Biol 2022; 9:768505. [PMID: 35047496 PMCID: PMC8763381 DOI: 10.3389/fcell.2021.768505] [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: 08/31/2021] [Accepted: 11/19/2021] [Indexed: 01/29/2023] Open
Abstract
The size and shape of the tetrapod limb play central roles in their functionality and the overall physiology of the organism. In this minireview we will discuss observations on mutant animal models and humans, which show that the growth and final size of the limb is most impacted by factors that regulate either limb bud patterning or the elongation of the long bones. We will also apply the lessons that have been learned from embryos to how growth could be regulated in regenerating limb structures and outline the challenges that are unique to regenerating animals.
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76
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Rao S, Pena C, Shurmur S, Nugent K. Atrial Natriuretic Peptide: Structure, Function, and Physiological Effects: A Narrative Review. Curr Cardiol Rev 2021; 17:e051121191003. [PMID: 33530911 PMCID: PMC8950497 DOI: 10.2174/1573403x17666210202102210] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/08/2020] [Accepted: 12/21/2020] [Indexed: 12/30/2022] Open
Abstract
Atrial natriuretic peptide (ANP) is a cardiac peptide with multiple physiological effects, including natriuresis, blood pressure regulation, and renin-angiotensin-aldosterone system (RAAS) antagonism. Pre-proANP is synthesized in the atria and must be extensively cleaved by the protease corin to produce the mature 28 amino acid ANP. The downstream signaling pathway of ANP acts through the guanylyl cyclase receptor and the second messenger cGMP. Studies on ANP's physiological effects have demonstrated its activity on channels present in the apical membrane in the renal nephron, potentially inhibiting or decreasing sodium reabsorption. Recent research has also identified several clinical conditions, such as dilated cardiomyopathy, renal failure, and aging, associated with increased and decreased ANP levels. ANP levels could serve as a potential biomarker for the diagnosis of acute stages of heart failure, and ANP infusion could have a role in the management of acute or chronic heart failure.
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Affiliation(s)
- Sanjana Rao
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas 79430, USA
| | - Camilo Pena
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas 79430, USA
| | - Scott Shurmur
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas 79430, USA
| | - Kenneth Nugent
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas 79430, USA,Address correspondence to this author at the Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas 79430, USA; Tel: 18067436847; E-mail:
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77
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Schefer L, Schwarz KRL, Paschoal DM, de Castro FC, Fernandes H, Botigelli RC, Leal CLV. Effects of different stimulators of cGMP synthesis on lipid content in bovine oocytes matured in vitro. Anim Reprod 2021; 18:e20210072. [PMID: 34925559 PMCID: PMC8677350 DOI: 10.1590/1984-3143-ar2021-0072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 10/25/2021] [Indexed: 11/21/2022] Open
Abstract
Bovine oocytes and blastocysts produced in vitro are frequently of lower quality and less cryotolerant than those produced in vivo, and greater accumulation of lipids in the cytoplasm has been pointed out as one of the reasons. In human adipocytes cGMP signaling through the activation of PKG appears to be involved in lipid metabolism, and components of this pathway have been detected in bovine cumulus-oocyte complexes (COCs). The aim of this study was to investigate the influence of this pathway on the lipid content in oocytes and expression of PLIN2 (a lipid metabolism-related gene) in cumulus cells. COCs were matured in vitro for 24 h with different stimulators of cGMP synthesis. The activation of soluble guanylyl cyclase (sGC) by Protoporphyrin IX reduced lipid content (22.7 FI) compared to control oocytes (36.45 FI; P <0.05). Stimulation of membrane guanylyl cyclase (mGC) with natriuretic peptides precursors A and C (NPPA and NPPC) had no effect (36.5 FI; P>0.05). When the PKG inhibitor KT5823 was associated with Protoporphyrin IX, its effect was reversed and lipid contents increased (52.71 FI; P<0.05). None of the stimulators of cGMP synthesis affected the expression of PLIN2 in cumulus cells. In conclusion, stimulation of sGC for cGMP synthesis promotes lipolytic activities in bovine oocytes matured in vitro and such effect is mediated by PKG. However, such effect may vary depending on the stimulus received and/or which synthesis enzyme was activated, as stimulation of mGC had no effects.
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Affiliation(s)
- Letícia Schefer
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Kátia Regina Lancelloti Schwarz
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Daniela Martins Paschoal
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Fernanda Cavallari de Castro
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Hugo Fernandes
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Ramon César Botigelli
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Cláudia Lima Verde Leal
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
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78
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Atrial Natriuretic Peptides, Right Atrial Infarction and Prognosis of Patients with Myocardial Infarction-A Single-Center Study. Biomolecules 2021; 11:biom11121833. [PMID: 34944477 PMCID: PMC8698927 DOI: 10.3390/biom11121833] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/25/2021] [Accepted: 12/01/2021] [Indexed: 11/16/2022] Open
Abstract
Atrial natriuretic peptide (ANP) is secreted in response to the stretching of the atrial wall. Atrial ischemia most likely impairs the ability of atrial myocytes to produce ANP. Atrial infarction (AI) is rarely diagnosed but not infrequently associated with myocardial infarction (MI). The aim of the study was to assess the association between AI and the prognostic value of N-terminal proANP (NT-proANP) in patients with MI treated with primary percutaneous coronary intervention (PCI). We evaluated data of 100 consecutive patients. Plasma levels of NT-proANP were measured by the ELISA method. ECG recordings were interpreted to diagnose AI according to Liu's criteria. All patients were followed-up prospectively for 12 months for the manifestation of major adverse cardiovascular events (MACE), defined as unplanned coronary revascularization, stroke, reinfarction or all-cause death. AI was diagnosed in 36 patients. 14% of patients developed MACE. AI did not affect the incidence of MACE or any of its components, nor the patients' prognosis. NT-proANP revealed to be a strong predictor of death but was not associated with other adverse events. Conclusions: AI in patients with MI treated with primary PCI is not connected with their prognosis nor affects the usefulness of NT-proANP in predicting death during the 12-month follow-up.
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79
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Gamaleldin MA, Naga YS, Ellakany AI, Nassar ES. Role of expression of atrial natriuretic peptide gene in essential hypertension among Egyptian patients. ALEXANDRIA JOURNAL OF MEDICINE 2021. [DOI: 10.1080/20905068.2021.1995284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- Marwa A. Gamaleldin
- Clinical Pathology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Yasmine S. Naga
- Internal Medicine Department, Nephrology Unit, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Ahmed I. Ellakany
- Internal Medicine Department, Gastroenterology Unit, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Eman S. Nassar
- Clinical Pathology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
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80
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Giovannini D, Andreola F, Spitalieri P, Krasnowska EK, Colini Baldeschi A, Rossi S, Sangiuolo F, Cozzolino M, Serafino A. Natriuretic peptides are neuroprotective on in vitro models of PD and promote dopaminergic differentiation of hiPSCs-derived neurons via the Wnt/β-catenin signaling. Cell Death Discov 2021; 7:330. [PMID: 34725335 PMCID: PMC8560781 DOI: 10.1038/s41420-021-00723-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/12/2021] [Accepted: 10/15/2021] [Indexed: 12/16/2022] Open
Abstract
Over the last 20 years, the efforts to develop new therapies for Parkinson's disease (PD) have focused not only on the improvement of symptomatic therapy for motor and non-motor symptoms but also on the discovering of the potential causes of PD, in order to develop disease-modifying treatments. The emerging role of dysregulation of the Wnt/β-catenin signaling in the onset and progression of PD, as well as of other neurodegenerative diseases (NDs), renders the targeting of this signaling an attractive therapeutic opportunity for curing this brain disorder. The natriuretic peptides (NPs) atrial natriuretic peptide (ANP), brain natriuretic peptide (BNP), and C-type natriuretic peptide (CNP), are cardiac and vascular-derived hormones also widely expressed in mammalian CNS, where they seem to participate in numerous brain functions including neural development/differentiation and neuroprotection. We recently demonstrated that ANP affects the Wnt/β-catenin pathway possibly through a Frizzled receptor-mediated mechanism and that it acts as a neuroprotective agent in in vitro models of PD by upregulating this signaling. Here we provide further evidence supporting the therapeutic potential of this class of natriuretic hormones. Specifically, we demonstrate that all the three natriuretic peptides are neuroprotective for SHSY5Y cells and primary cultures of DA neurons from mouse brain, subjected to neurotoxin insult with 6-hydroxydopamine (6-OHDA) for mimicking the neurodegeneration of PD, and these effects are associated with the activation of the Wnt/β-catenin pathway. Moreover, ANP, BNP, CNP are able to improve and accelerate the dopaminergic differentiation and maturation of hiPSCs-derived neural population obtained from two differed healthy donors, concomitantly affecting the canonical Wnt signaling. Our results support the relevance of exogenous ANP, BNP, and CNP as attractive molecules for both neuroprotection and neurorepair in PD, and more in general, in NDs for which aberrant Wnt signaling seems to be the leading pathogenetic mechanism.
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Affiliation(s)
- Daniela Giovannini
- Institute of Translational Pharmacology-National Research Council of Italy, Rome, Italy
| | - Federica Andreola
- Institute of Translational Pharmacology-National Research Council of Italy, Rome, Italy
| | - Paola Spitalieri
- Department of Biomedicine and Prevention, Genetic Medicine Unit, University of Rome "Tor Vergata", Rome, Italy
| | | | | | - Simona Rossi
- Institute of Translational Pharmacology-National Research Council of Italy, Rome, Italy
| | - Federica Sangiuolo
- Department of Biomedicine and Prevention, Genetic Medicine Unit, University of Rome "Tor Vergata", Rome, Italy
| | - Mauro Cozzolino
- Institute of Translational Pharmacology-National Research Council of Italy, Rome, Italy
| | - Annalucia Serafino
- Institute of Translational Pharmacology-National Research Council of Italy, Rome, Italy.
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81
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Cabiati M, Sgalippa A, Federico G, Del Ry S. C-type natriuretic peptide in childhood obesity. Peptides 2021; 145:170639. [PMID: 34425175 DOI: 10.1016/j.peptides.2021.170639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/23/2021] [Accepted: 08/17/2021] [Indexed: 11/30/2022]
Abstract
According to the World Health Organization obesity is the result of an energy imbalance between calories assumed and expended and over the past 30 years its incidence has dramatically increased. Recently, the problem of obesity has drastically increased also in childhood, assuming a social relevance. Childhood obesity, in fact, increases the possibility to be obese in adulthood, representing a risk for cardiovascular morbidity and mortality. Aim of this review was to carry out a revision of the literature on childhood obesity focusing on natriuretic peptides (NPs) and in particular on the role of C-type natriuretic peptide (CNP). In obesity NPs play a fundamental role in the regulation of body weight and energy metabolism. Data on plasma CNP levels in children are scarce. The review of the literature relating to the role of CNP in adolescents showed a progressive reduction in the CNP plasma levels in overweight/obese adolescents compared to normal-weight subjects, as previously observed in obese adults, as well as a different modulation in CNP mRNA expression. An independent association between CNP levels and obesity as well as a significant association with the endothelial dysfunction index was reported, indicating that the peptide could play a very important role as a marker of risk of developing obesity. The results of these studies indicate the importance of adopting healthy lifestyles to improve glucometabolic control as well as to provide the rationale for designing and developing new drugs to modulate the NPs system.
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Affiliation(s)
- Manuela Cabiati
- Laboratory of Biochemistry and Molecular Biology, Institute of Clinical Physiology, CNR, Pisa, Italy
| | - Agnese Sgalippa
- Laboratory of Biochemistry and Molecular Biology, Institute of Clinical Physiology, CNR, Pisa, Italy
| | - Giovanni Federico
- Unit of Pediatric Endocrinology and Diabetes, Dep. Clinical and Experimental Medicine, University of Pisa, Italy
| | - Silvia Del Ry
- Laboratory of Biochemistry and Molecular Biology, Institute of Clinical Physiology, CNR, Pisa, Italy.
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82
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Sujana C, Salomaa V, Kee F, Costanzo S, Söderberg S, Jordan J, Jousilahti P, Neville C, Iacoviello L, Oskarsson V, Westermann D, Koenig W, Kuulasmaa K, Reinikainen J, Blankenberg S, Zeller T, Herder C, Mansmann U, Peters A, Thorand B. Natriuretic Peptides and Risk of Type 2 Diabetes: Results From the Biomarkers for Cardiovascular Risk Assessment in Europe (BiomarCaRE) Consortium. Diabetes Care 2021; 44:2527-2535. [PMID: 34521639 DOI: 10.2337/dc21-0811] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 08/13/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Natriuretic peptide (NP) concentrations are increased in cardiovascular diseases (CVDs) but are associated with a lower diabetes risk. We investigated associations of N-terminal pro-B-type NP (NT-proBNP) and midregional proatrial NP (MR-proANP) with incident type 2 diabetes stratified by the presence of CVD. RESEARCH DESIGN AND METHODS Based on the Biomarkers for Cardiovascular Risk Assessment in Europe (BiomarCaRE) Consortium, we included 45,477 participants with NT-proBNP measurements (1,707 developed type 2 diabetes over 6.5 years of median follow-up; among these, 209 had CVD at baseline) and 11,537 participants with MR-proANP measurements (857 developed type 2 diabetes over 13.8 years of median follow-up; among these, 106 had CVD at baseline). The associations were estimated using multivariable Cox regression models. RESULTS Both NPs were inversely associated with incident type 2 diabetes (hazard ratios [95% CI] per 1-SD increase of log NP: 0.84 [0.79; 0.89] for NT-proBNP and 0.77 [0.71; 0.83] for MR-proANP). The inverse association between NT-proBNP and type 2 diabetes was significant in individuals without CVD but not in individuals with CVD (0.81 [0.76; 0.86] vs. 1.04 [0.90; 1.19]; P multiplicative interaction = 0.001). There was no significant difference in the association of MR-proANP with type 2 diabetes between individuals without and with CVD (0.75 [0.69; 0.82] vs. 0.81 [0.66; 0.99]; P multiplicative interaction = 0.236). CONCLUSIONS NT-proBNP and MR-proANP are inversely associated with incident type 2 diabetes. However, the inverse association of NT-proBNP seems to be modified by the presence of CVD. Further investigations are warranted to confirm our findings and to investigate the underlying mechanisms.
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Affiliation(s)
- Chaterina Sujana
- Institute of Epidemiology, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany.,Institute for Medical Information Processing, Biometry, and Epidemiology (IBE), Pettenkofer School of Public Health, Ludwig-Maximilians-Universität, Munich, Germany.,German Center for Diabetes Research (DZD), Partner Munich-Neuherberg, Munich-Neuherberg, Germany
| | - Veikko Salomaa
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Frank Kee
- Centre for Public Health, Queens University of Belfast, Belfast, Northern Ireland, U.K
| | - Simona Costanzo
- Department of Epidemiology and Prevention, IRCCS Neuromed, Pozzilli, Isernia, Italy
| | - Stefan Söderberg
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Jens Jordan
- Institute of Aerospace Medicine, German Aerospace Center (DLR) and University of Cologne, Cologne, Germany
| | - Pekka Jousilahti
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Charlotte Neville
- Centre for Public Health, Queens University of Belfast, Belfast, Northern Ireland, U.K
| | - Licia Iacoviello
- Department of Epidemiology and Prevention, IRCCS Neuromed, Pozzilli, Isernia, Italy.,Research Center in Epidemiology and Preventive Medicine (EPIMED), Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Viktor Oskarsson
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Dirk Westermann
- Department for General and Interventional Cardiology, University Heart Center Hamburg, Hamburg, Germany
| | - Wolfgang Koenig
- Institute of Epidemiology and Medical Biometry, University of Ulm, Ulm, Germany.,Deutsches Herzzentrum München, Technische Universität München, Munich, Germany.,German Centre for Cardiovascular Research (DZHK e.V.), partner site Munich Heart Alliance, Munich, Germany
| | - Kari Kuulasmaa
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Jaakko Reinikainen
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Stefan Blankenberg
- Department for General and Interventional Cardiology, University Heart Center Hamburg, Hamburg, Germany.,German Centre for Cardiovascular Research (DZHK e.V.), partner site Hamburg, Lübeck, Kiel, Hamburg, Germany
| | - Tanja Zeller
- Department for General and Interventional Cardiology, University Heart Center Hamburg, Hamburg, Germany.,German Centre for Cardiovascular Research (DZHK e.V.), partner site Hamburg, Lübeck, Kiel, Hamburg, Germany
| | - Christian Herder
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany.,Division of Endocrinology and Diabetology, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany.,German Center for Diabetes Research (DZD), Partner Düsseldorf, Munich-Neuherberg, Germany
| | - Ulrich Mansmann
- Institute for Medical Information Processing, Biometry, and Epidemiology (IBE), Pettenkofer School of Public Health, Ludwig-Maximilians-Universität, Munich, Germany
| | - Annette Peters
- Institute of Epidemiology, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany.,German Center for Diabetes Research (DZD), Partner Munich-Neuherberg, Munich-Neuherberg, Germany.,German Centre for Cardiovascular Research (DZHK e.V.), partner site Munich Heart Alliance, Munich, Germany
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83
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Gumbel JH, Yang CB, Hubscher CH. Timeline of Changes in Biomarkers Associated with Spinal Cord Injury-Induced Polyuria. Neurotrauma Rep 2021; 2:462-475. [PMID: 34901942 PMCID: PMC8655813 DOI: 10.1089/neur.2021.0046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Deficits in upper and lower urinary tract function, which include detrusor overactivity, urinary incontinence, detrusor-sphincter dyssynergia, and polyuria, are among the leading issues that arise after spinal cord injury (SCI) affecting quality of life. Given that overproduction of urine (polyuria) has been shown to be associated with an imbalance in key regulators of body fluid homeostasis, the current study examined the timing of changes in levels of various relevant hormones, peptides, receptors, and channels post-contusion injury in adult male Wistar rats. The results show significant up- or downregulation at various time points, beginning at 7 days post-injury, in levels of urinary atrial natriuretic peptide, serum arginine vasopressin (AVP), kidney natriuretic peptide receptor-A, kidney vasopressin-2 receptor, kidney aquaporin-2 channels, and kidney epithelial sodium channels (β- and γ-, but not α-, subunits). The number of AVP-labeled neurons in the hypothalamus (supraoptic and -chiasmatic, but not paraventricular, nuclei) was also significantly altered at one or more time points. These data show significant fluctuations in key biomarkers involved in body fluid homeostasis during the post-SCI secondary injury phase, suggesting that therapeutic interventions (e.g., desmopressin, a synthetic analogue of AVP) should be considered early post-SCI.
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Affiliation(s)
- Jason H. Gumbel
- Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, Kentucky, USA
| | - Cui Bo Yang
- Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, Kentucky, USA
| | - Charles H. Hubscher
- Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, Kentucky, USA
- Kentucky Spinal Cord Injury Research Center, University of Louisville, Louisville, Kentucky, USA
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84
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Damén T, Kolsrud O, Dellgren G, Hesse C, Ricksten S, Nygren A. Atrial natriuretic peptide does not degrade the endothelial glycocalyx: A secondary analysis of a randomized porcine model. Acta Anaesthesiol Scand 2021; 65:1305-1312. [PMID: 33991333 DOI: 10.1111/aas.13853] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 04/27/2021] [Accepted: 04/30/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND The atrial natriuretic peptide (ANP) released from the heart regulates intravascular volume and is suspected to increase capillary permeability. Contradictory results regarding ANP and glycocalyx degradation have been reported. The aim of this study was to investigate if an infusion of ANP causes degradation of the endothelial glycocalyx. METHODS Twenty pigs, pretreated with 250 mg methylprednisolone, were randomized to receive an infusion of either ANP (50 ng/kg/min) (n = 10) or 0.9% NaCl (n = 10) during 60 min. Endothelial glycocalyx components (heparan sulphate proteoglycan and hyaluronic acid), Hct, calculated plasma volume and colloid osmotic pressure were measured from baseline to 60 min. RESULTS There was no difference between the control and intervention groups for heparan sulphate proteoglycan and hyaluronic acid corrected for the change in plasma volume (P = .333 and 0.197). Hct increased with 1.8 ± 2.2% in the intervention group (P = .029) with no change -0.5 ± 2.3% in the control group (P = .504). The plasma volume decreased in the intervention group with -8.4 ± 10% (P = .034) with no change in the control group 3.1 ± 12% (P = .427). Median changes in colloid osmotic pressures in the control and intervention group were -0.39 [95% CI, -1.88-0.13] and 0.9 [95% CI, 0.00-1.58], respectively (P = .012). CONCLUSIONS In this randomized porcine study, an ANP infusion did not cause endothelial glycocalyx degradation but decreased the plasma volume most probably due to precapillary vasodilation and increased filtration.
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Affiliation(s)
- Tor Damén
- Department of Anaesthesiology and Intensive Care Medicine Institute of Clinical Sciences at the Sahlgrenska Academy University of Gothenburg, and Sahlgrenska University HospitalSection of Cardiothoracic Anaesthesia and Intensive Care Gothenburg Sweden
| | - Oscar Kolsrud
- Department of Cardiothoracic Surgery Sahlgrenska University HospitalSahlgrenska AcademyUniversity of Gothenburg Gothenburg Sweden
| | - Göran Dellgren
- Department of Cardiothoracic Surgery Sahlgrenska University HospitalSahlgrenska AcademyUniversity of Gothenburg Gothenburg Sweden
- Transplant Institute Sahlgrenska University HospitalSahlgrenska AcademyUniversity of Gothenburg Gothenburg Sweden
| | - Camilla Hesse
- Department of Laboratory Medicine Institute of Biomedicine Sahlgrenska AcademyUniversity of Gothenburg Gothenburg Sweden
| | - Sven‐Erik Ricksten
- Department of Anaesthesiology and Intensive Care Medicine Institute of Clinical Sciences at the Sahlgrenska Academy University of Gothenburg, and Sahlgrenska University HospitalSection of Cardiothoracic Anaesthesia and Intensive Care Gothenburg Sweden
| | - Andreas Nygren
- Department of Anaesthesiology and Intensive Care Medicine Institute of Clinical Sciences at the Sahlgrenska Academy University of Gothenburg, and Sahlgrenska University HospitalSection of Cardiothoracic Anaesthesia and Intensive Care Gothenburg Sweden
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85
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DeSpain K, Rosenfeld CR, Huebinger R, Wang X, Jay JW, Radhakrishnan RS, Wolf SE, Song J. Carotid smooth muscle contractility changes after severe burn. Sci Rep 2021; 11:18094. [PMID: 34508162 PMCID: PMC8433376 DOI: 10.1038/s41598-021-97732-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 08/25/2021] [Indexed: 11/17/2022] Open
Abstract
Severe burns result in cardiovascular dysfunction, but responses in the peripheral vasculature are unclear. We hypothesize that severe burns disturb arterial contractility through acute changes in adrenergic and cholinergic receptor function. To address this, we investigated the changes in carotid artery contractility and relaxation following a severe burn. Thirty-four adult Sprague–Dawley male rats received a 40% total body surface area (TBSA) scald burn and fluid resuscitation using the Parkland formula. Control animals received sham burn procedure. Animals were serially euthanized between 6 h and 14 days after burn and endothelium-intact common carotid arteries were used for ex vivo force/relaxation measurements. At 6 h after burn, carotid arteries from burned animals demonstrated a > 50% decrease in cumulative dose-responses to norepinephrine (p < 0.05) and to 10−7 M angiotensin II (p < 0.05). Notably, pre-constricted carotid arteries also demonstrated reduced relaxation responses to acetylcholine (p < 0.05) 6 h after burn, but not to sodium nitroprusside. Histologic examination of cross-sectional planes revealed significant increases in carotid artery wall thickness in burned rats at 6 h versus 3 days, with increased collagen expression in tunica media at 3 days (p < 0.05). Carotid artery dysfunction occurs within 6 h after severe burn, demonstrating decreased sensitivity to adrenergic- and angiotensin II-induced vasoconstriction and acetylcholine-induced relaxation.
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Affiliation(s)
- Kevin DeSpain
- Department of Kinesiology, University of Texas Arlington, Arlington, TX, USA
| | | | - Ryan Huebinger
- Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX, USA
| | - Xiaofu Wang
- Department of Surgery, University of Texas Medical Branch, 301 University Blvd., Galveston, TX, 77555-0644, USA
| | - Jayson W Jay
- Department of Surgery, University of Texas Medical Branch, 301 University Blvd., Galveston, TX, 77555-0644, USA
| | - Ravi S Radhakrishnan
- Department of Surgery, Shriners Hospitals for Children - Galveston, Galveston, TX, USA.,Department of Surgery, University of Texas Medical Branch, 301 University Blvd., Galveston, TX, 77555-0644, USA
| | - Steven E Wolf
- Department of Surgery, Shriners Hospitals for Children - Galveston, Galveston, TX, USA.,Department of Surgery, University of Texas Medical Branch, 301 University Blvd., Galveston, TX, 77555-0644, USA
| | - Juquan Song
- Department of Surgery, University of Texas Medical Branch, 301 University Blvd., Galveston, TX, 77555-0644, USA.
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86
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Kellner M, Yassouridis A, Waheed S, Górski D, Kähler J, Wiedemann K. Atrial natriuretic peptide (ANP) as an endogenous anxiolytic in patients with heart failure? - No replication of previous results showing an inverse association of anxiety and plasma ANP parameters. J Psychosom Res 2021; 148:110560. [PMID: 34230001 DOI: 10.1016/j.jpsychores.2021.110560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 06/23/2021] [Accepted: 06/26/2021] [Indexed: 11/18/2022]
Abstract
OBJECTIVE An acute anxiolytic-like effect of atrial natriuretic peptide (ANP) has been demonstrated in several preclinical and clinical studies. In a so far singular study (Herrmann-Lingen et al., 2003), patients with congestive heart failure, who pathognomonicly display increased plasma ANP, showed a significant inverse association of anxiety symptoms and pro-ANP levels, giving rise to speculations about ANP as an endogenous anxiolytic. We tried to replicate and extend this preliminary finding. METHODS In 56 patients suffering from heart failure with reduced left ventricular ejection fraction we measured ANP, mid-regional pro-ANP (MR-proANP) and cyclic guanosine monophosphate (cGMP) as plasma parameters of ANP functioning and characterized anxiety symptoms using the Hospital Anxiety and Depression Scale (HADS) and in addition the State Trait Anxiety Inventory (STAI) for state anxiety. Spearman rank correlation coefficients were calculated. RESULTS None of our plasma ANP parameters showed a significant association with anxiety symptoms as per HADS ratings. The same picture emerged with STAI state anxiety. ANP, MR-proANP and cGMP significantly correlated with each other. CONCLUSION In another sample of patients with heart failure we were unable to replicate previous and preliminary cross-sectional findings of low anxiety in subjects with high plasma pro-ANP. Direct measurement of effector hormone ANP and its second messenger as well did not support our hypothesis. Chronically elevated ANP in heart failure might attenuate its potential anxiolytic effects. Longitudinal studies experimentally increasing ANP levels in anxious heart failure patients are needed to test if this approach has clinical psychotropic utility.
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Affiliation(s)
- Michael Kellner
- Dept. of Psychiatry and Psychotherapy, University Hospital Hamburg-Eppendorf, Hamburg, Germany; Dept. of Psychiatry, Psychotherapy and Psychosomatics, Hospital Herford, Herford, Germany.
| | | | - Sadoff Waheed
- Dept. of Psychiatry, Psychotherapy and Psychosomatics, Hospital Herford, Herford, Germany
| | - Dominik Górski
- Dept. of Cardiology and Conservative Intensive Care, Hospital Herford, Herford, Germany
| | - Jan Kähler
- Dept. of Cardiology and Conservative Intensive Care, Hospital Herford, Herford, Germany
| | - Klaus Wiedemann
- Dept. of Psychiatry and Psychotherapy, University Hospital Hamburg-Eppendorf, Hamburg, Germany
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87
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Dörner MF, Boknik P, Köpp F, Buchwalow IB, Neumann J, Gergs U. Mechanisms of Systolic Cardiac Dysfunction in PP2A, PP5 and PP2AxPP5 Double Transgenic Mice. Int J Mol Sci 2021; 22:ijms22179448. [PMID: 34502355 PMCID: PMC8431312 DOI: 10.3390/ijms22179448] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 08/26/2021] [Accepted: 08/26/2021] [Indexed: 12/15/2022] Open
Abstract
As part of our ongoing studies on the potential pathophysiological role of serine/threonine phosphatases (PP) in the mammalian heart, we have generated transgenic mice with cardiac muscle cell-specific overexpression of PP2Acα (PP2A) and PP5 (PP5). For further studies we crossbred PP2A and PP5 mice to obtain PP2AxPP5 double transgenic mice (PP2AxPP5, DT) and compared them with littermate wild-type mice (WT) serving as a control. The mortality of DT mice was greatly enhanced vs. other genotypes. Cardiac fibrosis was noted histologically and mRNA levels of collagen 1α, collagen 3α and fibronectin 1 were augmented in DT. DT and PP2A mice exhibited an increase in relative heart weight. The ejection fraction (EF) was reduced in PP2A and DT but while the EF of PP2A was nearly normalized after β-adrenergic stimulation by isoproterenol, it was almost unchanged in DT. Moreover, left atrial preparations from DT were less sensitive to isoproterenol treatment both under normoxic conditions and after hypoxia. In addition, levels of the hypertrophy markers atrial natriuretic peptide and B-type natriuretic peptide as well as the inflammation markers interleukin 6 and nuclear factor kappa B were increased in DT. PP2A enzyme activity was enhanced in PP2A vs. WT but similar to DT. This was accompanied by a reduced phosphorylation state of phospholamban at serine-16. Fittingly, the relaxation times in left atria from DT were prolonged. In summary, cardiac co-overexpression of PP2A and PP5 were detrimental to animal survival and cardiac function, and the mechanism may involve dephosphorylation of important regulatory proteins but also fibrosis and inflammation.
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Affiliation(s)
- Mara-Francine Dörner
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, D-06097 Halle, Germany; (M.-F.D.); (F.K.); (J.N.)
- Mibe GmbH Arzneimittel, D-06796 Brehna, Germany
| | - Peter Boknik
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Westfälische Wilhelms-Universität, D-48149 Münster, Germany;
| | - Friedrich Köpp
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, D-06097 Halle, Germany; (M.-F.D.); (F.K.); (J.N.)
| | - Igor B. Buchwalow
- Institute for Hematopathology, Fangdieckstr. 75a, D-22547 Hamburg, Germany;
| | - Joachim Neumann
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, D-06097 Halle, Germany; (M.-F.D.); (F.K.); (J.N.)
| | - Ulrich Gergs
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, D-06097 Halle, Germany; (M.-F.D.); (F.K.); (J.N.)
- Correspondence: ; Tel.: +49-345-557-4093
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Lucero García Rojas EY, Villanueva C, Bond RA. Hypoxia Inducible Factors as Central Players in the Pathogenesis and Pathophysiology of Cardiovascular Diseases. Front Cardiovasc Med 2021; 8:709509. [PMID: 34447792 PMCID: PMC8382733 DOI: 10.3389/fcvm.2021.709509] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 07/09/2021] [Indexed: 01/01/2023] Open
Abstract
Cardiovascular (CV) diseases are the major cause of death in industrialized countries. The main function of the CV system is to deliver nutrients and oxygen to all tissues. During most CV pathologies, oxygen and nutrient delivery is decreased or completely halted. Several mechanisms, including increased oxygen transport and delivery, as well as increased blood flow are triggered to compensate for the hypoxic state. If the compensatory mechanisms fail to sufficiently correct the hypoxia, irreversible damage can occur. Thus, hypoxia plays a central role in the pathogenesis and pathophysiology of CV diseases. Hypoxia inducible factors (HIFs) orchestrate the gene transcription for hundreds of proteins involved in erythropoiesis, glucose transport, angiogenesis, glycolytic metabolism, reactive oxygen species (ROS) handling, cell proliferation and survival, among others. The overall regulation of the expression of HIF-dependent genes depends on the severity, duration, and location of hypoxia. In the present review, common CV diseases were selected to illustrate that HIFs, and proteins derived directly or indirectly from their stabilization and activation, are related to the development and perpetuation of hypoxia in these pathologies. We further classify CV diseases into acute and chronic hypoxic states to better understand the temporal relevance of HIFs in the pathogenesis, disease progression and clinical outcomes of these diseases. We conclude that HIFs and their derived factors are fundamental in the genesis and progression of CV diseases. Understanding these mechanisms will lead to more effective treatment strategies leading to reduced morbidity and mortality.
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Affiliation(s)
| | - Cleva Villanueva
- Instituto Politecnico Nacional, Escuela Superior de Medicina, Mexico City, Mexico
| | - Richard A Bond
- Department of Pharmacology and Pharmaceutical Sciences, University of Houston, Houston, TX, United States
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89
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Pharmacokinetics and Exposure-Response of Vosoritide in Children with Achondroplasia. Clin Pharmacokinet 2021; 61:263-280. [PMID: 34431071 PMCID: PMC8813707 DOI: 10.1007/s40262-021-01059-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/2021] [Indexed: 10/25/2022]
Abstract
BACKGROUND AND OBJECTIVE Vosoritide, an analog of C-type natriuretic peptide, has been developed for the treatment of children with achondroplasia. The pharmacokinetics of vosoritide and relationships between plasma exposure and efficacy, biomarkers, and safety endpoints were evaluated in a phase II, open-label, dose-escalation study (N = 35 patients aged 5-14 years who received daily subcutaneous injections for 24 months) and a phase III, double-blind, placebo-controlled study (N = 60 patients aged 5-18 years randomized to receive daily subcutaneous injections for 52 weeks). METHODS Pharmacokinetic parameters for both studies were obtained from non-compartmental analysis. Potential correlations between vosoritide exposure and changes in annualized growth velocity, collagen type X marker (CXM; a biomarker of endochondral ossification), cyclic guanosine monophosphate (cGMP; a biomarker of pharmacological activity), heart rate, and systolic and diastolic blood pressures were then evaluated. RESULTS The exposure-response relationships for changes in both annualized growth velocity and the CXM biomarker saturated at 15 μg/kg, while systemic pharmacological activity, as measured by urinary cGMP, was near maximal or saturated at exposures obtained at the highest dose studied (i.e. 30 μg/kg). This suggested that the additional bioactivity was likely in tissues not related to endochondral bone formation. In the phase III study, following subcutaneous administration at the recommended dose of 15 μg/kg to patients with achondroplasia aged 5-18 years, vosoritide was rapidly absorbed with a median time to maximal plasma concentration (Cmax) of 15 minutes, and cleared with a mean half-life of 27.9 minutes after 52 weeks of treatment. Vosoritide exposure (Cmax and area under the concentration-time curve [AUC]) was consistent across visits. No evidence of accumulation with once-daily dosing was observed. Total anti-vosoritide antibody (TAb) responses were detected in the serum of 25 of 60 (42%) treated patients in the phase III study, with no apparent impact of TAb development noted on annualized growth velocity or vosoritide exposure. Across the exposure range obtained with 15 µg/kg in the phase III study, no meaningful correlations between vosoritide plasma exposure and changes in annualized growth velocity or CXM, or changes from predose heart rate, and systolic or diastolic blood pressures were observed. CONCLUSIONS The results support the recommended dose of vosoritide 15 µg/kg for once-daily subcutaneous administration in patients with achondroplasia aged ≥ 5 years whose epiphyses are not closed. CLINICAL TRIALS REGISTRATION NCT02055157, NCT03197766, and NCT01603095.
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90
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Landim VPA, Silva BVM, Sobral Filho DC, Dutra RF. A Novel Redox‐free Immunosensor Concept Based on Cobalt Phthalocyanine@carbon Nanotubes Pseudocapacitor for Cardiac B‐type Natriuretic Peptide Detection. ELECTROANAL 2021. [DOI: 10.1002/elan.202100177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Vicente P. A. Landim
- Biomedical Engineering Laboratory, Department of Biomedical Engineering Federal University of Pernambuco Av. Prof. Moraes Rego, 1235. Recife-PE 50670-901 Brazil
| | - Bárbara V. M. Silva
- Biomedical Engineering Laboratory, Department of Biomedical Engineering Federal University of Pernambuco Av. Prof. Moraes Rego, 1235. Recife-PE 50670-901 Brazil
| | - Dário C. Sobral Filho
- Cardiac Emergency of Pernambuco (PROCAPE)/State University of Pernambuco R. dos Palmares Recife-PE 74970-240 Brazil
| | - Rosa F. Dutra
- Biomedical Engineering Laboratory, Department of Biomedical Engineering Federal University of Pernambuco Av. Prof. Moraes Rego, 1235. Recife-PE 50670-901 Brazil
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91
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Hall EJ, Pal S, Glennon MS, Shridhar P, Satterfield SL, Weber B, Zhang Q, Salama G, Lal H, Becker JR. Cardiac natriuretic peptide deficiency sensitizes the heart to stress induced ventricular arrhythmias via impaired CREB signaling. Cardiovasc Res 2021; 118:2124-2138. [PMID: 34329394 DOI: 10.1093/cvr/cvab257] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 07/28/2021] [Indexed: 11/14/2022] Open
Abstract
AIMS The cardiac natriuretic peptides (atrial natriuretic peptide [ANP] and B-type natriuretic peptide [BNP]) are important regulators of cardiovascular physiology, with reduced natriuretic peptide (NP) activity linked to multiple human cardiovascular diseases. We hypothesized that deficiency of either ANP or BNP would lead to similar changes in left ventricular structure and function given their shared receptor affinities. METHODS AND RESULTS We directly compared murine models deficient of ANP or BNP in the same genetic backgrounds (C57BL6/J) and environments. We evaluated control, ANP deficient (Nppa-/-) or BNP deficient (Nppb-/-) mice under unstressed conditions and multiple forms of pathological myocardial stress. Survival, myocardial structure, function and electrophysiology, tissue histology, and biochemical analyses were evaluated in the groups. In vitro validation of our findings was performed using human derived induced pluripotent stem cell cardiomyocytes (iPS-CM). In the unstressed state, both ANP and BNP deficient mice displayed mild ventricular hypertrophy which did not increase up to 1 year of life. NP-deficient mice exposed to acute myocardial stress secondary to thoracic aortic constriction (TAC) had similar pathological myocardial remodeling but a significant increase in sudden death. We discovered that the NP-deficient mice are more susceptible to stress induced ventricular arrhythmias using both in vivo and ex vivo models. Mechanistically, deficiency of either ANP or BNP led to reduced myocardial cGMP levels and reduced phosphorylation of the cAMP response element-binding protein (CREBS133) transcriptional regulator. Selective CREB inhibition sensitized wild type hearts to stress induced ventricular arrhythmias. ANP and BNP regulate cardiomyocyte CREBS133 phosphorylation through a cGMP-dependent protein kinase 1 (PKG1) and p38 mitogen activated protein kinase (p38 MAPK) signaling cascade. CONCLUSIONS Our data show that ANP and BNP act in a non-redundant fashion to maintain myocardial cGMP levels to regulate cardiomyocyte p38 MAPK and CREB activity. Cardiac natriuretic peptide deficiency leads to a reduction in CREB signaling which sensitizes the heart to stress induced ventricular arrhythmias. TRANSLATIONAL PERSPECTIVE Our study found that ANP or BNP deficiency leads to increased sudden death and ventricular arrhythmias after acute myocardial stress in murine models. We discovered that ANP and BNP act in a non-redundant fashion to maintain myocardial cGMP levels and uncovered a unique role for these peptides in regulating cardiomyocyte p38 MAPK and CREB signaling through a cGMP-PKG1 pathway. Importantly, this signaling pathway was conserved in human cardiomyocytes. This study provides mechanistic insight into how modulating natriuretic peptide levels in human heart failure patients reduces sudden death and mortality.
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Affiliation(s)
- Eric J Hall
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Soumojit Pal
- Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute and Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Michael S Glennon
- Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute and Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Puneeth Shridhar
- Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute and Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Sidney L Satterfield
- Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute and Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Beth Weber
- Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute and Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Qinkun Zhang
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham Medical Center, Birmingham, AL, USA
| | - Guy Salama
- Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute and Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Hind Lal
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham Medical Center, Birmingham, AL, USA
| | - Jason R Becker
- Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute and Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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92
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Rubattu S, Gallo G, Volpe M. A Contemporary View of Natriuretic Peptides in the SARS-CoV-2 Era. Front Physiol 2021; 12:643721. [PMID: 34335287 PMCID: PMC8322647 DOI: 10.3389/fphys.2021.643721] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 06/16/2021] [Indexed: 12/11/2022] Open
Abstract
The heart releases natriuretic peptides (NPs) which represent an important hormonal axis with cardiorenal protective effects. In view of their properties, NPs have pathophysiologic, diagnostic and prognostic implications in several cardiovascular diseases (CVDs). Severe pulmonary inflammation, as induced by the SARS-COV2, may increase pulmonary pressure with potential influence on NPs release, whereby normal cardiovascular integrity becomes impaired. Moreover, pre-existing CVDs are strong negative prognostic factors since they exacerbate the effects of the viral infection and lead to worse outcomes. In this context, it may be expected that NPs exert a key protective role toward the virus infection whereas an impairment of NPs release contributes to the virus deleterious effects. In this review article we explore the potential involvement of NPs in the COVID-19 disease. To this aim, we will first focus on the interactions between NPs and the Ang II/ATIR arm of the renin-angiotensin-aldosterone system (RAAS) as well as with the protective ACE2/Ang (1-7) arm of the RAAS. Subsequently, we will review evidence that strongly supports the role of increased NT-proBNP level as a marker of cardiac damage and of worse prognosis in the COVID-19 affected patients. Finally, we will discuss the potential therapeutic benefits of these protective hormones toward the viral infection through their endothelial protective function, anti-inflammatory and anti-thrombotic effects. In conclusion, the potential implications of NPs in the SARS-CoV-2 infection, as discussed in our article, represent an important issue that deserves to be fully investigated.
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Affiliation(s)
- Speranza Rubattu
- Cardiology Unit, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Sant'Andrea Hospital, Rome, Italy.,IRCCS Neuromed, Pozzilli, Italy
| | - Giovanna Gallo
- Cardiology Unit, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Sant'Andrea Hospital, Rome, Italy
| | - Massimo Volpe
- Cardiology Unit, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Sant'Andrea Hospital, Rome, Italy
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93
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Ploeg MC, Munts C, Prinzen FW, Turner NA, van Bilsen M, van Nieuwenhoven FA. Piezo1 Mechanosensitive Ion Channel Mediates Stretch-Induced Nppb Expression in Adult Rat Cardiac Fibroblasts. Cells 2021; 10:cells10071745. [PMID: 34359915 PMCID: PMC8303625 DOI: 10.3390/cells10071745] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 01/30/2023] Open
Abstract
In response to stretch, cardiac tissue produces natriuretic peptides, which have been suggested to have beneficial effects in heart failure patients. In the present study, we explored the mechanism of stretch-induced brain natriuretic peptide (Nppb) expression in cardiac fibroblasts. Primary adult rat cardiac fibroblasts subjected to 4 h or 24 h of cyclic stretch (10% 1 Hz) showed a 6.6-fold or 3.2-fold (p < 0.05) increased mRNA expression of Nppb, as well as induction of genes related to myofibroblast differentiation. Moreover, BNP protein secretion was upregulated 5.3-fold in stretched cardiac fibroblasts. Recombinant BNP inhibited TGFβ1-induced Acta2 expression. Nppb expression was >20-fold higher in cardiomyocytes than in cardiac fibroblasts, indicating that cardiac fibroblasts were not the main source of Nppb in the healthy heart. Yoda1, an agonist of the Piezo1 mechanosensitive ion channel, increased Nppb expression 2.1-fold (p < 0.05) and significantly induced other extracellular matrix (ECM) remodeling genes. Silencing of Piezo1 reduced the stretch-induced Nppb and Tgfb1 expression in cardiac fibroblasts. In conclusion, our study identifies Piezo1 as mediator of stretch-induced Nppb expression, as well as other remodeling genes, in cardiac fibroblasts.
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Affiliation(s)
- Meike C. Ploeg
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands; (M.C.P.); (C.M.); (F.W.P.); (M.v.B.)
| | - Chantal Munts
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands; (M.C.P.); (C.M.); (F.W.P.); (M.v.B.)
| | - Frits W. Prinzen
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands; (M.C.P.); (C.M.); (F.W.P.); (M.v.B.)
| | - Neil A. Turner
- Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds LS2 9JT, UK;
- Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds LS2 9JT, UK
| | - Marc van Bilsen
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands; (M.C.P.); (C.M.); (F.W.P.); (M.v.B.)
| | - Frans A. van Nieuwenhoven
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands; (M.C.P.); (C.M.); (F.W.P.); (M.v.B.)
- Correspondence:
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Kuang H, Huang X, Zhou Z, Cheng X, Xu G. Sacubitril/valsartan in chronic kidney disease: From pharmacological mechanism to clinical application. Eur J Pharmacol 2021; 907:174288. [PMID: 34216577 DOI: 10.1016/j.ejphar.2021.174288] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 06/08/2021] [Accepted: 06/25/2021] [Indexed: 02/08/2023]
Abstract
Chronic kidney disease (CKD) is an irreversible, progressive disease characterized by persistent kidney damage, and significantly increased risks of cardiovascular event. However, therapeutic strategies to prevent or slow the progression of CKD remain limited. Sacubitril/valsartan (LCZ696), the representative of the first novel angiotensin receptor-neprilysin inhibitor, has been incorporated into clinical practice guidelines for improving outcomes as a milestone in patients with heart failure. Considering the complex and close relationship between CKD and heart failure, LCZ696 may be beneficial in the treatment of CKD. This review summarizes the pharmacological mechanism and clinical application of LCZ696 in patients with CKD, including its effect on cardiovascular risk and renal outcome, together with potential adverse events. Additionally, due to the influence of serum creatinine and estimated glomerular filtration rate on LCZ696 in patients with heart failure, we also discussed the effects of LCZ696 in patients with advanced CKD and end-stage renal disease. It should be noted that, current clinical studies on LCZ696 are mostly carried out in patients with heart failure, and renal indicators are selected as secondary outcomes. Therefore, more researches should be conducted in patients with CKD alone in the future, to determine the efficacy and safety of LCZ696 in patients with CKD.
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Affiliation(s)
- Huang Kuang
- Renal Division, Peking University First Hospital, Peking University Institute of Nephrology, Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, 100034, China
| | - Xin Huang
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Zhifeng Zhou
- Department of Nephrology, Kidney Research Institute, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xuexin Cheng
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
| | - Gaosi Xu
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
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Rukavina Mikusic NL, Kouyoumdzian NM, Puyó AM, Fernández BE, Choi MR. Role of natriuretic peptides in the cardiovascular-adipose communication: a tale of two organs. Pflugers Arch 2021; 474:5-19. [PMID: 34173888 DOI: 10.1007/s00424-021-02596-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 05/31/2021] [Accepted: 06/11/2021] [Indexed: 12/23/2022]
Abstract
Natriuretic peptides have long been known for their cardiovascular function. However, a growing body of evidence emphasizes the role of natriuretic peptides in the energy metabolism of several substrates in humans and animals, thus interrelating the heart, as an endocrine organ, with various insulin-sensitive tissues and organs such as adipose tissue, muscle skeletal, and liver. Adipose tissue dysfunction is associated with altered regulation of the natriuretic peptide system, also indicated as a natriuretic disability. Evidence points to a contribution of this natriuretic disability to the development of obesity, type 2 diabetes mellitus, and cardiometabolic complications; although the causal relationship is not fully understood at present. However, targeting the natriuretic peptide pathway may improve metabolic health in obesity and type 2 diabetes mellitus. This review will focus on the current literature on the metabolic functions of natriuretic peptides with emphasis on lipid metabolism and insulin sensitivity. Natriuretic peptide system alterations could be proposed as one of the linking mechanisms between adipose tissue dysfunction and cardiovascular disease.
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Affiliation(s)
- Natalia Lucía Rukavina Mikusic
- Departamento de Ciencias Biológicas, Cátedra de Anatomía e Histología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina.
| | - Nicolás Martín Kouyoumdzian
- Instituto Alberto C. Taquini de Investigaciones en Medicina Traslacional (IATIMET), CONICET - Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Ana María Puyó
- Departamento de Ciencias Biológicas, Cátedra de Anatomía e Histología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | | | - Marcelo Roberto Choi
- Departamento de Ciencias Biológicas, Cátedra de Anatomía e Histología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto Alberto C. Taquini de Investigaciones en Medicina Traslacional (IATIMET), CONICET - Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto Universitario de Ciencias de la Salud, Fundación H.A. Barceló, Buenos Aires, Argentina
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Büttner P, Seewöster T, Obradovic D, Hindricks G, Thiele H, Kornej J. NT-proANP levels in peripheral and cardiac circulation. J Interv Card Electrophysiol 2021; 63:409-415. [PMID: 34173166 DOI: 10.1007/s10840-021-01020-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 06/07/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Recent studies have reported an association between N-terminal atrial natriuretic peptide (NT-proANP) and the progression of atrial fibrillation (AF). However, NT-proANP levels in peripheral and cardiac circulation in AF patients and in non-AF individuals need to be defined. The aims of the current study are (1) to analyze NT-proANP levels in peripheral and cardiac circulation in AF patients and (2) to compare NT-proANP levels in individuals with and without AF. METHODS We recruited AF patients who were undergoing their first AF catheter ablation and non-AF individuals. Blood plasma samples taken from the femoral vein and the left atrium (LA) were collected before AF ablation in the AF patients and from the cubital vein in the non-AF controls. Low voltage areas (LVAs) were determined using high-density maps during catheter ablation and defined as < 0.5 mV. RESULTS The study included 189 AF patients (64 ± 10 years, 59% male, 61% persistent AF, 30% LVAs) and 26 non-AF individuals (58 ± 10 years, 50% male). Patients with AF were significantly older and had larger LA (p < 0.05). Compared to non-AF controls, peripheral and cardiac NT-proANP levels were significantly higher in AF patients without and with LVAs (median 5.4, 10.5, 14.8 ng/ml, respectively, p < 0.001). In multivariable analysis, NT-proANP (OR 1.238, 95% CI 1.007-1.521, p = 0.043) remained significantly different between non-AF individuals and AF patients. In AF, NT-proANP levels were significantly higher in the cardiac blood samples than in the peripheral blood (median 13.0 versus 11.4 ng/ml, p = 0.003). The ability to predict LVAs was modest when using cardiac NT-proANP (AUC 0.661) and peripheral NT-proANP (AUC 0.635), without statistical difference (p = 0.937). CONCLUSIONS NT-proANP levels are higher in individuals with AF than in controls and are more pronounced in progressed AF. Elevated cardiac and peripheral NT-proANP levels similarly predict LVAs.
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Affiliation(s)
- Petra Büttner
- Department of Cardiology, Heart Center Leipzig At University of Leipzig, Leipzig, Germany
| | - Timm Seewöster
- Department of Electrophysiology, Heart Center Leipzig At University of Leipzig, Leipzig, Germany
| | - Danilo Obradovic
- Department of Cardiology, Heart Center Leipzig At University of Leipzig, Leipzig, Germany
| | - Gerhard Hindricks
- Department of Electrophysiology, Heart Center Leipzig At University of Leipzig, Leipzig, Germany
| | - Holger Thiele
- Department of Cardiology, Heart Center Leipzig At University of Leipzig, Leipzig, Germany
| | - Jelena Kornej
- School of Medicine - Cardiovascular Medicine, Boston University, 72 E Concord St, Boston, MA, 02118, USA.
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Zinellu A, Sotgia S, Carru C, Mangoni AA. B-Type Natriuretic Peptide Concentrations, COVID-19 Severity, and Mortality: A Systematic Review and Meta-Analysis With Meta-Regression. Front Cardiovasc Med 2021; 8:690790. [PMID: 34250044 PMCID: PMC8264458 DOI: 10.3389/fcvm.2021.690790] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 06/03/2021] [Indexed: 12/20/2022] Open
Abstract
Alterations in cardiac biomarkers have been reported in patients with coronavirus disease 2019 (COVID-19) in relation to disease severity and mortality. We conducted a systematic review and meta-analysis with meta-regression of studies reporting B-type natriuretic peptide (BNP) or N-terminal proBNP (NT-proBNP) plasma concentrations in COVID-19. We searched PubMed, Web of Science, and Scopus, between January 2020 and 2021, for studies reporting BNP/NT-proBNP concentrations, measures of COVID-19 severity, and survival status (PROSPERO registration number: CRD42021239190). Forty-four studies in 18,856 COVID-19 patients were included in the meta-analysis and meta-regression. In pooled results, BNP/NT-proBNP concentrations were significantly higher in patients with high severity or non-survivor status when compared to patients with low severity or survivor status during follow up (SMD = 1.07, 95% CI: 0.89-1.24, and p < 0.001). We observed extreme between-study heterogeneity (I 2 = 93.9%, p < 0.001). In sensitivity analysis, the magnitude and the direction of the effect size were not substantially modified after sequentially removing individual studies and re-assessing the pooled estimates, (effect size range, 0.99 - 1.10). No publication bias was observed with the Begg's (p = 0.26) and Egger's (p = 0.40) t-tests. In meta-regression analysis, the SMD was significantly and positively associated with D-dimer (t = 2.22, p = 0.03), myoglobin (t = 2.40, p = 0.04), LDH (t = 2.38, p = 0.02), and procalcitonin (t = 2.56, p = 0.01) concentrations. Therefore, higher BNP/NT-proBNP plasma concentrations were significantly associated with severe disease and mortality in COVID-19 patients.
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Affiliation(s)
- Angelo Zinellu
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Salvatore Sotgia
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Ciriaco Carru
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
- Quality Control Unit, University Hospital of Sassari, Sassari, Italy
| | - Arduino A. Mangoni
- Discipline of Clinical Pharmacology, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
- Department of Clinical Pharmacology, Flinders Medical Centre, Southern Adelaide Local Health Network, Adelaide, SA, Australia
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Sun F, Zhou K, Tian KY, Zhang XY, Liu W, Wang J, Zhong CP, Qiu JH, Zha DJ. Atrial Natriuretic Peptide Promotes Neurite Outgrowth and Survival of Cochlear Spiral Ganglion Neurons in vitro Through NPR-A/cGMP/PKG Signaling. Front Cell Dev Biol 2021; 9:681421. [PMID: 34268307 PMCID: PMC8276373 DOI: 10.3389/fcell.2021.681421] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 05/10/2021] [Indexed: 01/22/2023] Open
Abstract
Sensorineural hearing loss (SNHL) is a dominant public health issue affecting millions of people around the globe, which is correlated with the irreversible deterioration of the hair cells and spiral ganglion neurons (SGNs) within the cochlea. Strategies using bioactive molecules that regulate neurite regeneration and neuronal survival to reestablish connections between auditory epithelium or implanted electrodes and SGN neurites would become attractive therapeutic candidates for SNHL. As an intracellular second messenger, cyclic guanosine-3’,5’-monophosphate (cGMP) can be synthesized through activation of particulate guanylate cyclase-coupled natriuretic peptide receptors (NPRs) by natriuretic peptides, which in turn modulates multiple aspects of neuronal functions including neuronal development and neuronal survival. As a cardiac-derived hormone, atrial natriuretic peptide (ANP), and its specific receptors (NPR-A and NPR-C) are broadly expressed in the nervous system where they might be involved in the maintenance of diverse neural functions. Despite former literatures and our reports indicating the existence of ANP and its receptors within the inner ear, particularly in the spiral ganglion, their potential regulatory mechanisms underlying functional properties of auditory neurons are still incompletely understood. Our recently published investigation revealed that ANP could promote the neurite outgrowth of SGNs by activating NPR-A/cGMP/PKG cascade in a dose-dependent manner. In the present research, the influence of ANP and its receptor-mediated downstream signaling pathways on neurite outgrowth, neurite attraction, and neuronal survival of SGNs in vitro was evaluated by employing cultures of organotypic explant and dissociated neuron from postnatal rats. Our data indicated that ANP could support and attract neurite outgrowth of SGNs and possess a high capacity to improve neuronal survival of SGNs against glutamate-induced excitotoxicity by triggering the NPR-A/cGMP/PKG pathway. The neuroregenerative and neuroprotective effects of ANP/NPRA/cGMP/PKG-dependent signaling on SGNs would represent an attractive therapeutic candidate for hearing impairment.
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Affiliation(s)
- Fei Sun
- Department of Otolaryngology-Head and Neck Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Ke Zhou
- Department of Laboratory Medicine, Institute of Clinical Laboratory Medicine of PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Ke-Yong Tian
- Department of Otolaryngology-Head and Neck Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xin-Yu Zhang
- Department of Otolaryngology-Head and Neck Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Wei Liu
- Department of Otolaryngology-Head and Neck Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jie Wang
- Department of Otolaryngology-Head and Neck Surgery, The Affiliated Children Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Cui-Ping Zhong
- Department of Otolaryngology-Head and Neck Surgery, The 940th Hospital of Joint Logistics Support Force of PLA, Lanzhou, China
| | - Jian-Hua Qiu
- Department of Otolaryngology-Head and Neck Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Ding-Jun Zha
- Department of Otolaryngology-Head and Neck Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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Natriuretic Peptides Regulate Prostate Cells Inflammatory Behavior: Potential Novel Anticancer Agents for Prostate Cancer. Biomolecules 2021; 11:biom11060794. [PMID: 34070682 PMCID: PMC8228623 DOI: 10.3390/biom11060794] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/18/2021] [Accepted: 05/24/2021] [Indexed: 02/05/2023] Open
Abstract
Inflammation, by inducing a tumor-promoting microenvironment, is a hallmark for prostate cancer (PCa) progression. NOD-like receptor protein 3 (NLRP3)-inflammasome activation, interleukin-1β (IL-1β) secretion, and cancer cell-released extracellular vesicles (EVs) contribute to the establishment of tumor microenvironment. We have shown that PC3-derived EVs (PC3-EVs) activate inflammasome cascade in non-cancerous PNT2 cells. It is known that the endogenous biomolecules and Natriuretic Peptides (NPs), such as ANP and BNP, inhibit inflammasome activation in immune cells. Here we investigated whether ANP and BNP modify PCa inflammatory phenotype in vitro. By using PNT2, LNCaP, and PC3 cell lines, which model different PCa progression stages, we analyzed inflammasome activation and the related pathways by Western blot and IL-1β secretion by ELISA. We found that tumor progression is characterized by constitutive inflammasome activation, increased IL-1β secretion, and reduced endogenous NPs expression. The administration of exogenous ANP and BNP, via p38-MAPK or ERK1/2-MAPK, by inducing NLRP3 phosphorylation, counteract inflammasome activation and IL-1β maturation in PC3 and PC3-EVs-treated PNT2 cells, respectively. Our results demonstrate that NPs, by interfering with cell-specific signaling pathways, exert pleiotropic anti-inflammatory effects converging toward inflammasome phosphorylation and suggest that NPs can be included in a drug repurposing process for PCa.
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Lichtenauer M, Jirak P, Paar V, Sipos B, Kopp K, Berezin AE. Heart Failure and Diabetes Mellitus: Biomarkers in Risk Stratification and Prognostication. APPLIED SCIENCES 2021; 11:4397. [DOI: 10.3390/app11104397] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2024]
Abstract
Heart failure (HF) and type 2 diabetes mellitus (T2DM) have a synergistic effect on cardiovascular (CV) morbidity and mortality in patients with established CV disease (CVD). The aim of this review is to summarize the knowledge regarding the discriminative abilities of conventional and novel biomarkers in T2DM patients with established HF or at higher risk of developing HF. While conventional biomarkers, such as natriuretic peptides and high-sensitivity troponins demonstrate high predictive ability in HF with reduced ejection fraction (HFrEF), this is not the case for HF with preserved ejection fraction (HFpEF). HFpEF is a heterogeneous disease with a high variability of CVD and conventional risk factors including T2DM, hypertension, renal disease, older age, and female sex; therefore, the extrapolation of predictive abilities of traditional biomarkers on this population is constrained. New biomarker-based approaches are disputed to be sufficient for improving risk stratification and the prediction of poor clinical outcomes in patients with HFpEF. Novel biomarkers of biomechanical stress, fibrosis, inflammation, oxidative stress, and collagen turn-over have shown potential benefits in determining prognosis in T2DM patients with HF regardless of natriuretic peptides, but their role in point-to-care and in routine practice requires elucidation in large clinical trials.
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