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Proença AB, Alexandre‐Santos B, Giori IG, Alex‐Marques JSF, Machado‐Santos C, Machado M, Magliano DC, da Nobrega ACL, Frantz EDC. Obesity-induced skeletal muscle remodeling: A comparative analysis of exercise training and ACE-inhibitory drug in male mice. Physiol Rep 2024; 12:e16025. [PMID: 38684378 PMCID: PMC11058004 DOI: 10.14814/phy2.16025] [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: 12/01/2023] [Revised: 04/10/2024] [Accepted: 04/10/2024] [Indexed: 05/02/2024] Open
Abstract
Obesity over-activates the classical arm of the renin-angiotensin system (RAS), impairing skeletal muscle remodeling. We aimed to compare the effect of exercise training and enalapril, an angiotensin-converting enzyme inhibitor, on RAS modulation in the skeletal muscle of obese animals. Thus, we divided C57BL/6 mice into two groups: standard chow (SC) and high-fat (HF) diet for 16 weeks. At the eighth week, the HF-fed animals were divided into four subgroups-sedentary (HF), treated with enalapril (HF-E), exercise training protocol (HF-T), and combined interventions (HF-ET). After 8 weeks of treatment, we evaluated body mass and index (BMI), body composition, exercise capacity, muscle morphology, and skeletal muscle molecular markers. All interventions resulted in lower BMI and attenuation of overactivation in the classical arm, while favoring the B2R in the bradykinin receptors profile. This was associated with reduced apoptosis markers in obese skeletal muscles. The HF-T group showed an increase in muscle mass and expression of biosynthesis markers and a reduction in expression of degradation markers and muscle fiber atrophy due to obesity. These findings suggest that the combination intervention did not have a synergistic effect against obesity-induced muscle remodeling. Additionally, the use of enalapril impaired muscle's physiological adaptations to exercise training.
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Affiliation(s)
- Ana Beatriz Proença
- Laboratory of Exercise Sciences, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
- Research Center on Morphology and Metabolism, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
| | - Beatriz Alexandre‐Santos
- Laboratory of Exercise Sciences, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
- Research Center on Morphology and Metabolism, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
| | - Isabele Gomes Giori
- Laboratory of Exercise Sciences, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
| | - Jaime Silva Filho Alex‐Marques
- Laboratory of Exercise Sciences, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
- Research Center on Morphology and Metabolism, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
| | - Clarice Machado‐Santos
- Laboratory of Teaching and Research in Histology and Compared EmbryologyFluminense Federal UniversityNiteroiRio de JaneiroBrazil
| | - Marcus Machado
- Biomedical Science DepartmentRoss University School of Veterinary MedicineBasseterreSt. Kitts & Nevis
| | - D'Angelo Carlo Magliano
- Research Center on Morphology and Metabolism, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
| | - Antonio Claudio Lucas da Nobrega
- Laboratory of Exercise Sciences, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
- National Institute for Science & Technology—INCT Physical (in)Activity & Exercise, CNPqNiteroiRio de JaneiroBrazil
| | - Eliete Dalla Corte Frantz
- Laboratory of Exercise Sciences, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
- Research Center on Morphology and Metabolism, Biomedical InstituteFluminense Federal UniversityNiteroiRio de JaneiroBrazil
- National Institute for Science & Technology—INCT Physical (in)Activity & Exercise, CNPqNiteroiRio de JaneiroBrazil
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Rostamzadeh F, Najafipour H, Nakhaei S, Yazdani R, Langari AA. Low Ang-(1-7) and high des-Arg9 bradykinin serum levels are correlated with cardiovascular risk factors in patients with COVID-19. Open Med (Wars) 2023; 18:20230741. [PMID: 37415613 PMCID: PMC10320568 DOI: 10.1515/med-2023-0741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/31/2023] [Accepted: 05/31/2023] [Indexed: 07/08/2023] Open
Abstract
It is predictable that the renin-angiotensin-aldosterone and kinin-kallikrein systems are dysregulated in COVID-19 (COV) patients because SARS-CoV-2 requires ACE2 to cause an infection. This study aimed to assess the serum levels of des-arg(9)-bradykinin (DABK) and angiotensin 1-7 (ang-(1-7)) in patients with COV who had the above-mentioned cardiovascular disease risk factors. In a cross-sectional study, 69 COV patients were selected among patients referred to the main referral center for these patients, in Kerman, Iran, and 73 matched control (non-COV) individuals among individuals who participated in the KERCARD cohort study. Serum levels of DABK and ang-(1-7) were measured by ELISA in the groups of CTL (healthy), HTN, DM, OB, COV, COV + HTN, COV + DM, and COV + OB. Ang-(1-7) levels were lower in the COV + HTN group compared to the HTN group. DABK levels were higher in the COV, HTN, and OB groups and in DM + COV subjects compared to their corresponding control group. The levels of ang-(1-7) and DABK were related to HTN and OB, respectively. According to the findings, we can infer that an increase in DABK production in those with the cardiovascular disease risk factors of diabetes, obesity, and hypertension or a decrease in ang-(1-7) in those with hypertension may contribute to the adverse outcomes of SARS-CoV-2 infection.
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Affiliation(s)
- Farzaneh Rostamzadeh
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Hamid Najafipour
- Cardiovascular and Respiratory Physiology, Cardiovascular Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Samira Nakhaei
- Endocrinology and Metabolism Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Rostam Yazdani
- Department of Internal Medicine, School of Medicine, Afzalipour Hospital, Kerman University of Medical Sciences, Kerman, Iran
| | - Ahmad Alinaghi Langari
- Gastroenterology, and Hepatology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
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Kozlakidis Z, Shi P, Abarbanel G, Klein C, Sfera A. Recent Developments in Protein Lactylation in PTSD and CVD: Novel Strategies and Targets. BIOTECH 2023; 12:38. [PMID: 37218755 PMCID: PMC10204439 DOI: 10.3390/biotech12020038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 04/27/2023] [Accepted: 05/01/2023] [Indexed: 05/24/2023] Open
Abstract
In 1938, Corneille Heymans received the Nobel Prize in physiology for discovering that oxygen sensing in the aortic arch and carotid sinus was mediated by the nervous system. The genetics of this process remained unclear until 1991 when Gregg Semenza while studying erythropoietin, came upon hypoxia-inducible factor 1, for which he obtained the Nobel Prize in 2019. The same year, Yingming Zhao found protein lactylation, a posttranslational modification that can alter the function of hypoxia-inducible factor 1, the master regulator of cellular senescence, a pathology implicated in both post-traumatic stress disorder (PTSD) and cardiovascular disease (CVD). The genetic correlation between PTSD and CVD has been demonstrated by many studies, of which the most recent one utilizes large-scale genetics to estimate the risk factors for these conditions. This study focuses on the role of hypertension and dysfunctional interleukin 7 in PTSD and CVD, the former caused by stress-induced sympathetic arousal and elevated angiotensin II, while the latter links stress to premature endothelial cell senescence and early vascular aging. This review summarizes the recent developments and highlights several novel PTSD and CVD pharmacological targets. They include lactylation of histone and non-histone proteins, along with the related biomolecular actors such as hypoxia-inducible factor 1α, erythropoietin, acid-sensing ion channels, basigin, and Interleukin 7, as well as strategies to delay premature cellular senescence by telomere lengthening and resetting the epigenetic clock.
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Affiliation(s)
- Zisis Kozlakidis
- International Agency for Research on Cancer, World Health Organization (IARC/WHO), 69372 Lyon, France
| | - Patricia Shi
- Department of Psychiatry, Loma Linda University, Loma Linda, CA 92350, USA
| | - Ganna Abarbanel
- Patton State Hospital, University of California, Riverside, CA 92521, USA
| | | | - Adonis Sfera
- Patton State Hospital, University of California, Riverside, CA 92521, USA
- Department of Psychiatry, University of California, Riverside, CA 92521, USA
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Wang S, Han Q, Wei Z, Wang Y, Deng L, Chen M. Formaldehyde causes an increase in blood pressure by activating ACE/AT1R axis. Toxicology 2023; 486:153442. [PMID: 36706861 DOI: 10.1016/j.tox.2023.153442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 01/14/2023] [Accepted: 01/23/2023] [Indexed: 01/26/2023]
Abstract
Previous studies suggest some link between formaldehyde exposure and harmful cardiovascular effects. But whether exposure to formaldehyde can cause blood pressure to rise, and if so, what the underlying mechanism is, remains unclear. In this study, C57BL/6 male mice were exposed to 0.1, 0.5, 2.5 mg/m3 of gaseous formaldehyde for 4 h daily over a three-week period. The systolic blood pressure (SBP), diastolic blood pressure (DBP), mean blood pressure (MBP) and heart rate (HR) of the mice were measured by tail-cuff plethysmography, and any histopathological changes in the target organs of hypertension were investigated. The results showed that exposure to formaldehyde did cause a significant increase in blood pressure and heart rate, and resulted in varying degrees of damage to the heart, aortic vessels and kidneys. To explore the underlying mechanism, a specific inhibitor of angiotensin converting enzyme (ACE) was used to block the ACE/AT1R axis. We observed the levels of ACE and angiotensin II type 1 receptor (AT1R), as well as the bradykinin (BK) in cardiac cytoplasm. The data suggest that exposure to formaldehyde induced an increase in the expression of ACE and AT1R, and decreased the levels of BK. Strikingly, treatment with 5 mg/kg/d ACE inhibitor can attenuate the increase in blood pressure and the pathological changes caused by formaldehyde exposure. This result has improved our understanding of whether, and how, formaldehyde exposure affects the development of hypertension.
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Affiliation(s)
- Shuwei Wang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079 Hubei, China
| | - Qi Han
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079 Hubei, China
| | - Zhaolan Wei
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079 Hubei, China
| | - Yunyi Wang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079 Hubei, China
| | - Lingfu Deng
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079 Hubei, China
| | - Mingqing Chen
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079 Hubei, China.
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Shcheblykin DV, Bolgov AA, Pokrovskii MV, Stepenko JV, Tsuverkalova JM, Shcheblykina OV, Golubinskaya PA, Korokina LV. Endothelial dysfunction: developmental mechanisms and therapeutic strategies. RESEARCH RESULTS IN PHARMACOLOGY 2022. [DOI: 10.3897/rrpharmacology.8.80376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Introduction: Every year the importance of the normal functioning of the endothelial layer of the vascular wall in maintaining the health of the body becomes more and more obvious.
The physiological role of the endothelium: The endothelium is a metabolically active organ actively involved in the regulation of hemostasis, modulation of inflammation, maintenance of hemovascular homeostasis, regulation of angiogenesis, vascular tone, and permeability.
Risk factors for the development of endothelial dysfunction: Currently, insufficient bioavailability of nitric oxide is considered the most significant risk factor for endothelial dysfunction.
Mechanisms of development of endothelial dysfunction: The genesis of endothelial dysfunction is a multifactorial process. Among various complex mechanisms, this review examines oxidative stress, inflammation, hyperglycemia, vitamin D deficiency, dyslipidemia, excess visceral fat, hyperhomocysteinemia, hyperuricemia, as well as primary genetic defect of endotheliocytes, as the most common causes in the population underlying the development of endothelial dysfunction.
Markers of endothelial dysfunction in various diseases: This article discusses the main biomarkers of endothelial dysfunction currently used, as well as promising biomarkers in the future for laboratory diagnosis of this pathology.
Therapeutic strategies: Therapeutic approaches to the endothelium in order to prevent or reduce a degree of damage to the vascular wall are briefly described.
Conclusion: Endothelial dysfunction is a typical pathological process involved in the pathogenesis of many diseases. Thus, pharmacological agents with endothelioprotective properties can provide more therapeutic benefits than a drug without such an effect.
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Gao G, Nakamura S, Asaba S, Miyata Y, Nakayama H, Matsui T. Hesperidin Preferentially Stimulates Transient Receptor Potential Vanilloid 1, Leading to NO Production and Mas Receptor Expression in Human Umbilical Vein Endothelial Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:11290-11300. [PMID: 36039965 DOI: 10.1021/acs.jafc.2c04045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Here, the mechanism of vasorelaxant Mas receptor (MasR) expression elevated by hesperidin in spontaneously hypertensive rats was investigated in human umbilical vein endothelial cells (HUVECs). HUVECs were cultured with 1 μM hesperidin for 2 h, following the measurements of nitric oxide (NO) production and vasomotor-related receptors' expression. Hesperidin significantly promoted NO production (224.1 ± 18.3%, P < 0.01 vs control) in the HUVECs. Only the MasR expression was upregulated (141.2 ± 12.5%, P < 0.05 vs control), whereas a MasR antagonist did not alter the hesperidin-induced NO production. When a transient receptor potential vanilloid 1 (TRPV1) was knocked down by silencing RNA or Ca2+/calmodulin-dependent kinase II (CaMKII) and p38 mitogen-activated protein kinase (p38 MAPK) were inhibited, the increased MasR expression by hesperidin was abrogated. The inhibitions of CaMKII and endothelial NO synthase (eNOS) abolished the hesperidin-induced NO production. The structure-activity relationship analysis of flavonoids demonstrated that the B ring of the twisted flavonoid skeleton with a hydroxy group at the 3' position was a crucial factor for TRPV1 stimulation. Taken together, it was demonstrated that hesperidin may stimulate TRPV1-mediated cascades, leading to the activation of two signaling axes, CaMKII/p38 MAPK/MasR expression and CaMKII/eNOS/NO production in HUVECs.
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Affiliation(s)
- Guanzhen Gao
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Saya Nakamura
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Sumire Asaba
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yuji Miyata
- Industrial Technology Center of Nagasaki, 2-1303-8 Ikeda, Omura, Nagasaki 856-0026, Japan
| | - Hisayuki Nakayama
- Industrial Technology Center of Nagasaki, 2-1303-8 Ikeda, Omura, Nagasaki 856-0026, Japan
| | - Toshiro Matsui
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
- Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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Sierra APR, Martínez Galán BS, de Sousa CAZ, de Menezes DC, Branquinho JLDO, Neves RL, Arata JG, Bittencourt CA, Barbeiro HV, de Souza HP, Pesquero JB, Cury-Boaventura MF. Exercise Induced-Cytokines Response in Marathon Runners: Role of ACE I/D and BDKRB2 +9/-9 Polymorphisms. Front Physiol 2022; 13:919544. [PMID: 36117688 PMCID: PMC9479100 DOI: 10.3389/fphys.2022.919544] [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: 04/13/2022] [Accepted: 06/24/2022] [Indexed: 11/24/2022] Open
Abstract
Renin-angiotensin system (RAS) and kallikrein-kinin system (KKS) have a different site of interaction and modulate vascular tone and inflammatory response as well on exercise adaptation, which is modulated by exercise-induced cytokines. The aim of the study was to evaluate the role of ACE I/D and BDKRB2 +9/−9 polymorphism on exercise-induced cytokine response. Seventy-four male marathon finishers, aged 30 to 55 years, participated in this study. Plasma levels of exercise-induced cytokines were determined 24 h before, immediately after, and 24 h and 72 h after the São Paulo International Marathon. Plasma concentrations of MCP-1, IL-6 and FGF-21 increased after marathon in all genotypes of BDKRB2. IL-10, FSTL and BDNF increased significantly after marathon in the genotypes with the presence of the −9 allele. FSTL and BDNF concentrations were higher in the −9/−9 genotype compared to the +9/+9 genotype before (p = 0.006) and after the race (p = 0.023), respectively. Apelin, IL-15, musclin and myostatin concentrations were significantly reduced after the race only in the presence of −9 allele. Marathon increased plasma concentrations of MCP1, IL-6, BDNF and FGF-21 in all genotypes of ACE I/D polymorphism. Plasma concentrations of IL-8 and MIP-1alpha before the race (p = 0.015 and p = 0.031, respectively), of MIP-1alpha and IL-10 after the race (p = 0.033 and p = 0.047, respectively) and VEGF 72 h after the race (p = 0.018) were lower in II homozygotes compared to runners with the presence of D allele. One day after the race we also observed lower levels of MIP-1alpha in runners with II homozygotes compared to DD homozygotes (p = 0.026). Before the marathon race myostatin concentrations were higher in DD compared to II genotypes (p = 0.009). Myostatin, musclin, IL-15, IL-6 and apelin levels decreased after race in genotypes with the presence of D allele. After the race ACE activity was negatively correlated with MCP1 (r = −56, p < 0.016) and positively correlated with IL-8, IL-10 and MIP1-alpha (r = 0.72, p < 0.0007, r = 0.72, p < 0.0007, r = 0.47, p < 0.048, respectively). The runners with the −9/−9 genotype have greater response in exercise-induced cytokines related to muscle repair and cardioprotection indicating that BDKRB2 participate on exercise adaptations and runners with DD genotype have greater inflammatory response as well as ACE activity was positively correlated with inflammatory mediators. DD homozygotes also had higher myostatin levels which modulates protein homeostasis.
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Affiliation(s)
| | - Bryan Steve Martínez Galán
- Interdisciplinary Post-Graduate Program in Health Sciences, Institute of Physical Activity and Sports Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - Cesar Augustus Zocoler de Sousa
- Interdisciplinary Post-Graduate Program in Health Sciences, Institute of Physical Activity and Sports Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - Duane Cardoso de Menezes
- Interdisciplinary Post-Graduate Program in Health Sciences, Institute of Physical Activity and Sports Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | | | - Raquel Leão Neves
- Department of Biophysics, Federal University of Sao Paulo, São Paulo, Brazil
| | | | | | | | | | - João Bosco Pesquero
- Department of Biophysics, Federal University of Sao Paulo, São Paulo, Brazil
| | - Maria Fernanda Cury-Boaventura
- Interdisciplinary Post-Graduate Program in Health Sciences, Institute of Physical Activity and Sports Sciences, Cruzeiro do Sul University, São Paulo, Brazil
- *Correspondence: Maria Fernanda Cury-Boaventura,
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Caro-Codón J, Rey JR, Iniesta AM, Rosillo SO, Castrejon-Castrejon S, Rodriguez-Sotelo L, Garcia-Veas JM, Marco I, Martinez LA, Martin-Polo L, Merino C, Martinez-Cossiani M, Buño A, Gonzalez-Valle L, Herrero A, López-de-Sá E, Merino JL. Impact of the withdrawal of renin-angiotensin-aldosterone inhibitors on mortality in COVID-19 patients. Rev Port Cardiol 2022; 41:823-830. [PMID: 35784098 PMCID: PMC9234052 DOI: 10.1016/j.repc.2021.06.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 06/26/2021] [Indexed: 12/31/2022] Open
Abstract
Background Methods Results Conclusion
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Affiliation(s)
- Juan Caro-Codón
- Cardiology Department, Hospital Universitario La Paz, Madrid, Spain
| | - Juan R Rey
- Cardiology Department, Hospital Universitario La Paz, Madrid, Spain
| | - Angel M Iniesta
- Cardiology Department, Hospital Universitario La Paz, Madrid, Spain
| | - Sandra O Rosillo
- Cardiology Department, Hospital Universitario La Paz, Madrid, Spain
| | | | | | | | - Irene Marco
- Cardiology Department, Hospital Universitario La Paz, Madrid, Spain
| | - Luis A Martinez
- Cardiology Department, Hospital Universitario La Paz, Madrid, Spain
| | | | - Carlos Merino
- Cardiology Department, Hospital Universitario La Paz, Madrid, Spain
| | | | - Antonio Buño
- Clinical Analytics Department, Hospital Universitario La Paz, Madrid, Spain
| | | | - Alicia Herrero
- Pharmacy Department, Hospital Universitario La Paz, Madrid, Spain
| | - Esteban López-de-Sá
- Cardiology Department, Hospital Universitario La Paz, Madrid, Spain
- Clinical Analytics Department, Hospital Universitario La Paz, Madrid, Spain
- Pharmacy Department, Hospital Universitario La Paz, Madrid, Spain
| | - Jose L Merino
- Cardiology Department, Hospital Universitario La Paz, Madrid, Spain
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D’Auria E, Calcaterra V, Verduci E, Ghezzi M, Lamberti R, Vizzuso S, Baldassarre P, Pendezza E, Perico V, Bosetti A, Zuccotti GV. Immunonutrition and SARS-CoV-2 Infection in Children with Obesity. Nutrients 2022; 14:1701. [PMID: 35565668 PMCID: PMC9101404 DOI: 10.3390/nu14091701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/14/2022] [Accepted: 04/18/2022] [Indexed: 11/16/2022] Open
Abstract
Since the beginning of the SARS-CoV-2 pandemic, there has been much discussion about the role of diet and antiviral immunity in the context of SARS-CoV-2 infection. Intake levels of vitamins D, C, B12, and iron have been demonstrated to be correlated with lower COVID-19 incidence and mortality. Obesity has been demonstrated to be an independent risk for the severity of COVID-19 infection in adults and also in children. This may be due to different mechanisms, mainly including the gut dysbiosis status observed in obese children. Moreover, the existence of a gut-lung axis added new knowledge to on the potential mechanisms by which diet and dietary substances may affect immune function. The aim of this narrative review is to address the intricate inter-relationship between COVID-19, immune function, and obesity-related inflammation and to describe the role of nutrients and dietary patterns in enhancing the immune system. Two ways to fight against COVID-19 disease exist: one with an antiviral response through immune system boosting and another with antioxidants with an anti-inflammatory effect. In the current pandemic situation, the intake of a varied and balanced diet, rich in micronutrients and bioactive compounds including fibers, should be recommended. However, clinical studies conducted on children affected by SARS-CoV-2 infection and comorbidity are warranted.
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Affiliation(s)
- Enza D’Auria
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
| | - Valeria Calcaterra
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
- Pediatric and Adolescent Unit, Department of Internal Medicine, University of Pavia, 27100 Pavia, Italy
| | - Elvira Verduci
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
- Department of Health Sciences, University of Milan, 20142 Milan, Italy
| | - Michele Ghezzi
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
| | - Rossella Lamberti
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
| | - Sara Vizzuso
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
| | - Paola Baldassarre
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
| | - Erica Pendezza
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
| | - Veronica Perico
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
| | - Alessandra Bosetti
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
| | - Gian Vincenzo Zuccotti
- Pediatric Department, “Vittore Buzzi” Children’s Hospital, 20154 Milan, Italy; (E.D.); (V.C.); (M.G.); (R.L.); (S.V.); (P.B.); (E.P.); (V.P.); (A.B.); (G.V.Z.)
- Department of Biomedical and Clinical Science “L. Sacco”, University of Milan, 20157 Milan, Italy
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Zeman M, Skałba W, Szymański P, Hadasik G, Żaworonkow D, Walczak DA, Czarniecka A. Risk factors for long-term survival in patients with ypN+ M0 rectal cancer after radical anterior resection. BMC Gastroenterol 2022; 22:141. [PMID: 35346064 PMCID: PMC8961971 DOI: 10.1186/s12876-022-02226-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 03/21/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Regional lymph node metastases are the main adverse prognostic factor in patients with rectal cancer without distant metastases. There are discrepancies, however, regarding additional risk factors in the group of ypN + M0 patients. The purpose of the study was to assess clinical and pathological factors affecting long-term oncological outcomes in the group of ypN + M0 patients after radical rectal anterior resection.
Methods
112 patients with ypN + M0 rectal cancer after neoadjuvant therapy and radical anterior resection were subject to a retrospective analysis. The effect of potential factors on survival was assessed with the use of Kaplan–Meier curves together with a log-rank test and multiple factor Cox proportional hazards model.
Results
In the multiple factor Cox analysis, adverse factors affecting disease-free survival (DFS) were: the use of angiotensin-converting enzyme inhibitors (ACEIs) (hazard ratio HR: 3.11, 95% CI 1.01–9.56, p = 0.047), presence of perineural invasion (HR: 7.27, 95% CI 2.74–19.3, p < 0.001) and occurrence of postoperative complications (HR: 6.79, 95% CI 2.09–22.11, p = 0.001), while a positive factor was the negative lymph node (NLN) count > 7 (HR: 0.33, 95% CI 0.12–0.88, p = 0.026). In the disease-specific survival (DSS) analysis, an adverse factor was the use of ACEIs (HR: 4.275, 95% CI 1.44–12.694, p = 0.009), while a positive effect was caused by NLN > 5 (HR: 0.22, 95% CI 0.082–0.586, p = 0.002).
Conclusions
The use of ACEIs may have a negative effect on long-term treatment outcomes in patients with ypN + M0 rectal cancer. In this group of patients, the NLN count seems to be an important prognostic factor, as well.
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11
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Bernasconi R, Thriene K, Romero‐Fernández E, Gretzmeier C, Kühl T, Maler M, Nauroy P, Kleiser S, Rühl‐Muth A, Stumpe M, Kiritsi D, Martin SF, Hinz B, Bruckner‐Tuderman L, Dengjel J, Nyström A. Pro-inflammatory immunity supports fibrosis advancement in epidermolysis bullosa: intervention with Ang-(1-7). EMBO Mol Med 2021; 13:e14392. [PMID: 34459121 PMCID: PMC8495454 DOI: 10.15252/emmm.202114392] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 07/19/2021] [Accepted: 07/23/2021] [Indexed: 12/11/2022] Open
Abstract
Recessive dystrophic epidermolysis bullosa (RDEB), a genetic skin blistering disease, is a paradigmatic condition of tissue fragility-driven multi-organ fibrosis. Here, longitudinal analyses of the tissue proteome through the course of naturally developing disease in RDEB mice revealed that increased pro-inflammatory immunity associates with fibrosis evolution. Mechanistically, this fibrosis is a consequence of altered extracellular matrix organization rather than that of increased abundance of major structural proteins. In a humanized system of disease progression, we targeted inflammatory cell fibroblast communication with Ang-(1-7)-an anti-inflammatory heptapeptide of the renin-angiotensin system, which reduced the fibrosis-evoking aptitude of RDEB cells. In vivo, systemic administration of Ang-(1-7) efficiently attenuated progression of multi-organ fibrosis and increased survival of RDEB mice. Collectively, our study shows that selective down-modulation of pro-inflammatory immunity may mitigate injury-induced fibrosis. Furthermore, together with published data, our data highlight molecular diversity among fibrotic conditions. Both findings have direct implications for the design of therapies addressing skin fragility and fibrosis.
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Affiliation(s)
- Rocco Bernasconi
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
- Faculty of BiologyUniversity of FreiburgFreiburgGermany
| | - Kerstin Thriene
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
- Faculty of BiologyUniversity of FreiburgFreiburgGermany
| | - Elena Romero‐Fernández
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
- University Hospital RegensburgRegensburgGermany
| | - Christine Gretzmeier
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
| | - Tobias Kühl
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
- Essen University HospitalEssenGermany
| | - Mareike Maler
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
- Faculty of BiologyUniversity of FreiburgFreiburgGermany
| | - Pauline Nauroy
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
| | - Svenja Kleiser
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
- Faculty of BiologyUniversity of FreiburgFreiburgGermany
| | - Anne‐Catherine Rühl‐Muth
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
- Faculty of BiologyUniversity of FreiburgFreiburgGermany
| | - Michael Stumpe
- Department of BiologyUniversity of FribourgFribourgSwitzerland
| | - Dimitra Kiritsi
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
| | - Stefan F Martin
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
| | - Boris Hinz
- Laboratory of Tissue Repair and RegenerationFaculty of DentistryUniversity of TorontoTorontoONCanada
| | - Leena Bruckner‐Tuderman
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
| | - Jörn Dengjel
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
- Department of BiologyUniversity of FribourgFribourgSwitzerland
| | - Alexander Nyström
- Department of DermatologyMedical FacultyMedical Center – University of FreiburgFreiburgGermany
- Freiburg Institute for Advanced Studies (FRIAS)University of FreiburgFreiburgGermany
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12
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Which ones, when and why should renin-angiotensin system inhibitors work against COVID-19? Adv Biol Regul 2021; 81:100820. [PMID: 34419773 PMCID: PMC8359569 DOI: 10.1016/j.jbior.2021.100820] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/05/2021] [Accepted: 08/09/2021] [Indexed: 12/15/2022]
Abstract
The article describes the possible pathophysiological origin of COVID-19 and the crucial role of renin-angiotensin system (RAS), providing several “converging” evidence in support of this hypothesis. SARS-CoV-2 has been shown to initially upregulate ACE2 systemic activity (early phase), which can subsequently induce compensatory responses leading to upregulation of both arms of the RAS (late phase) and consequently to critical, advanced and untreatable stages of COVID-19 disease. The main and initial actors of the process are ACE2 and ADAM17 zinc-metalloproteases, which, initially triggered by SARS-CoV-2 spike proteins, work together in increasing circulating Ang 1–7 and Ang 1–9 peptides and downstream (Mas and Angiotensin type 2 receptors) pathways with anti-inflammatory, hypotensive and antithrombotic activities. During the late phase of severe COVID-19, compensatory secretion of renin and ACE enzymes are subsequently upregulated, leading to inflammation, hypertension and thrombosis, which further sustain ACE2 and ADAM17 upregulation. Based on this hypothesis, COVID-19-phase-specific inhibition of different RAS enzymes is proposed as a pharmacological strategy against COVID-19 and vaccine-induced adverse effects. The aim is to prevent the establishment of positive feedback-loops, which can sustain hyperactivity of both arms of the RAS independently of viral trigger and, in some cases, may lead to Long-COVID syndrome.
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13
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De Hert E, Bracke A, Lambeir AM, Van der Veken P, De Meester I. The C-terminal cleavage of angiotensin II and III is mediated by prolyl carboxypeptidase in human umbilical vein and aortic endothelial cells. Biochem Pharmacol 2021; 192:114738. [PMID: 34418354 DOI: 10.1016/j.bcp.2021.114738] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/14/2021] [Accepted: 08/16/2021] [Indexed: 11/26/2022]
Abstract
The renin-angiotensin system, with the octapeptide angiotensin II as key player, is important in the renal, cardiac and vascular physiology. Prolyl carboxypeptidase (PRCP), prolyl endopeptidase (PREP) and angiotensin converting enzyme 2 (ACE2) are reported to be involved in the conversion of angiotensin II to angiotensin (1-7). Previous investigations showed that the processing of angiotensin II is cell- and species-specific and little is known about its conversion in human endothelial cells. Therefore, we aimed to investigate the C-terminal processing of angiotensin II and III in comparison to the processing of des-Arg9-bradykinin in human endothelial cells. To this end, human umbilical vein and aortic endothelial cells (HUVEC and HAoEC) were incubated with the peptides for different time periods. Mass spectrometry analysis was performed on the supernatants to check for cleavage products. Contribution of PRCP, ACE2 and PREP to the peptide cleavage was evaluated by use of the selective inhibitors compound 8o, DX600 and KYP-2047. The use of these selective inhibitors revealed that the C-terminal cleavage of angiotensin II and III was PRCP-dependent in HUVEC and HAoEC. In contrast, the C-terminal cleavage of des-Arg9-bradykinin was PRCP-dependent in HUVEC and PRCP- and ACE2-dependent in HAoEC. With this study, we contribute to a better understanding of the processing of peptides involved in the alternative renin-angiotensin system. We conclude that PRCP is the main enzyme for the C-terminal processing of angiotensin peptides in human umbilical vein and aortic endothelial cells. For the first time the contribution of PRCP was investigated by use of a selective PRCP-inhibitor.
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Affiliation(s)
- Emilie De Hert
- Laboratory of Medical Biochemistry, University of Antwerp, Antwerp, Belgium
| | - An Bracke
- Laboratory of Medical Biochemistry, University of Antwerp, Antwerp, Belgium
| | - Anne-Marie Lambeir
- Laboratory of Medical Biochemistry, University of Antwerp, Antwerp, Belgium
| | | | - Ingrid De Meester
- Laboratory of Medical Biochemistry, University of Antwerp, Antwerp, Belgium.
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14
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Sharma K, Singh P, Amjad Beg M, Dohare R, Athar F, Ali Syed M. Revealing new therapeutic opportunities in hypertension through network-driven integrative genetic analysis and drug target prediction approach. Gene 2021; 801:145856. [PMID: 34293449 DOI: 10.1016/j.gene.2021.145856] [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: 02/22/2021] [Revised: 06/17/2021] [Accepted: 07/15/2021] [Indexed: 02/06/2023]
Abstract
Epidemiological studies have established that untreated hypertension (HTN) is a major independent risk factor for developing cardiovascular diseases (CVD), stroke, renal failure, and other conditions. Several important studies have been published to prevent and manage HTN; however, antihypertensive agents' optimal choice remains controversial. Therefore, the present study is undertaken to update our knowledge in the primary treatment of HTN, specifically in the setting of other three important diseases. MicroRNAs (miRNAs) are remarkably stable short endogenous conserved non-coding RNAs that bind to the mRNA at its (3' UTR) to regulate its gene expression by causing translational repression or mRNA degradation. Through their coordinated activities on different pathways and networks, individual miRNAs control normal and pathological cellular processes. Therefore, to identify the critical miRNA-mRNA-TF interactions, we performed systematic bioinformatics analysis. We have also employed the molecular modelling and docking approach to identify the therapeutic target that delivers novel empathies into Food and Drug Administration approved and herbal drug response physiology. Gene Expression Omnibus (GEO) was employed to identify the differentially expressed genes (DEGs) and hub genes- KNG1, HLA-DPB1, CXCL8, IL1B, and BCL2. The HTN associated feed-forward loop (FFL) network included miR-9-5p, KNG1 and AR. We employed high throughput screening to get the best interacting compounds, telmisartan and limonin, that provided a significant docking score (-13.3 and -12.0 kcal/mol) and a potential protective effect that may help to combat the impact of HTN. The present study provides novel insight into HTN etiology through the identification of mRNAs and miRNAs and associated pathways.
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Affiliation(s)
- Kavita Sharma
- Translational Research Lab, Department of Biotechnology, Faculty of Natural Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Prithvi Singh
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Md Amjad Beg
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Ravins Dohare
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India.
| | - Fareeda Athar
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Mansoor Ali Syed
- Translational Research Lab, Department of Biotechnology, Faculty of Natural Sciences, Jamia Millia Islamia, New Delhi 110025, India.
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15
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Rebolledo DL, Acuña MJ, Brandan E. Role of Matricellular CCN Proteins in Skeletal Muscle: Focus on CCN2/CTGF and Its Regulation by Vasoactive Peptides. Int J Mol Sci 2021; 22:5234. [PMID: 34063397 PMCID: PMC8156781 DOI: 10.3390/ijms22105234] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/28/2021] [Accepted: 05/12/2021] [Indexed: 02/08/2023] Open
Abstract
The Cellular Communication Network (CCN) family of matricellular proteins comprises six proteins that share conserved structural features and play numerous biological roles. These proteins can interact with several receptors or soluble proteins, regulating cell signaling pathways in various tissues under physiological and pathological conditions. In the skeletal muscle of mammals, most of the six CCN family members are expressed during embryonic development or in adulthood. Their roles during the adult stage are related to the regulation of muscle mass and regeneration, maintaining vascularization, and the modulation of skeletal muscle fibrosis. This work reviews the CCNs proteins' role in skeletal muscle physiology and disease, focusing on skeletal muscle fibrosis and its regulation by Connective Tissue Growth factor (CCN2/CTGF). Furthermore, we review evidence on the modulation of fibrosis and CCN2/CTGF by the renin-angiotensin system and the kallikrein-kinin system of vasoactive peptides.
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Affiliation(s)
- Daniela L. Rebolledo
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile;
- Centro de Excelencia en Biomedicina de Magallanes (CEBIMA), Universidad de Magallanes, Punta Arenas 6213515, Chile
| | - María José Acuña
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile;
- Centro Integrativo de Biología y Química Aplicada (CIBQA), Universidad Bernardo O Higgins, Santiago 8370854, Chile
| | - Enrique Brandan
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile;
- Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
- Fundación Ciencia & Vida, Santiago 7810000, Chile
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16
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Ranjit A, Khajehpour S, Aghazadeh-Habashi A. Update on Angiotensin II Subtype 2 Receptor: Focus on Peptide and Nonpeptide Agonists. Mol Pharmacol 2021; 99:469-487. [PMID: 33795351 DOI: 10.1124/molpharm.121.000236] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 03/12/2021] [Indexed: 11/22/2022] Open
Abstract
Angiotensin II (Ang II) is the most dominant effector component of the renin-angiotensin system (RAS) that generally acts through binding to two main classes of G protein-coupled receptors, namely Ang II subtype 1 receptor (AT1R) and angiotensin II subtype 2 receptor (AT2R). Despite some controversial reports, the activation of AT2R generally antagonizes the effects of Ang II binding on AT1R. Studying AT2R signaling, function, and its specific ligands in cell culture or animal studies has confirmed its beneficial effects throughout the body. These characteristics classify AT2R as part of the protective arm of the RAS that, along with functions of Ang (1-7) through Mas receptor signaling, modulates the harmful effects of Ang II on AT1R in the activated classic arm of the RAS. Although Ang II is the primary ligand for AT2R, we have summarized other natural or synthetic peptide and nonpeptide agonists with critical evaluation of their structure, mechanism of action, and biologic activity. SIGNIFICANCE STATEMENT: AT2R is one of the main components of the RAS and has a significant prospective for mediating the beneficial action of the RAS through its protective arm on the body's homeostasis. Targeting AT2R offers substantial clinical application possibilities for modulating various pathological conditions. This review provided concise information regarding the AT2R peptide and nonpeptide agonists and their potential clinical applications for various diseases.
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Affiliation(s)
- Arina Ranjit
- College of Pharmacy, Idaho State University, Pocatello, Idaho, USA
| | - Sana Khajehpour
- College of Pharmacy, Idaho State University, Pocatello, Idaho, USA
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17
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Riyas A, Kumar A, Chandran M, Jaleel A, Biju Kumar A. The venom proteome of three common scyphozoan jellyfishes (Chrysaora caliparea, Cyanea nozakii and Lychnorhiza malayensis) (Cnidaria: Scyphozoa) from the coastal waters of India. Toxicon 2021; 195:93-103. [PMID: 33741399 DOI: 10.1016/j.toxicon.2021.03.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 03/01/2021] [Accepted: 03/07/2021] [Indexed: 01/22/2023]
Abstract
The jellyfish venom stored in nematocysts contains highly toxic compounds comprising of polypeptides, enzymes and other proteins, which form their chemical defence armoury against predators. We have characterized the proteome of crude venom extract from three bloom-forming scyphozoan jellyfish along the south-west coast of India, Chrysaora caliparea, Cyanea nozakii and Lychnorhiza malayensis using a Quadrupole-Time of Flight (Q/TOF) mass spectrometry analysis. The most abundant toxin identified from Chrysaora caliparea and Lychnorhiza malayensis is similar to the pore-forming toxins and metalloproteinases. A protective antioxidant enzyme called peroxiredoxin was found abundantly in Cyanea nozakii. Metalloproteinase identified from the C. caliparea shows similarity with the venom of pit viper (Bothrops pauloensis), while that of L. malayensis was similar to the venom of snakes such as the Bothrops insularis and Bothrops asper. Kininogen-1 is a secreted protein, identified for the first time from the jellyfish L. malayensis. The proteome analysis of Cyanea nozakii, Chrysaora caliparea and Lychnorhiza malayensis contained 20, 12, 8 unique proteins, respectively. Our study characterized the proteome map of crude venom extract from L. malayensis and C. caliparea for the first time, and the venom profile is compared with published information elsewhere. Proteomic data from this study has been made available in the public domain.
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Affiliation(s)
- Abdul Riyas
- Department of Aquatic Biology and Fisheries, University of Kerala, Thiruvananthapuram, 695581, Kerala, India
| | - Aneesh Kumar
- Mass Spectrometry and Proteomics Core Facility, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| | - Mahesh Chandran
- Mass Spectrometry and Proteomics Core Facility, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| | - Abdul Jaleel
- Mass Spectrometry and Proteomics Core Facility, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| | - Appukuttannair Biju Kumar
- Department of Aquatic Biology and Fisheries, University of Kerala, Thiruvananthapuram, 695581, Kerala, India.
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18
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Dobrek L. An Outline of Renal Artery Stenosis Pathophysiology-A Narrative Review. Life (Basel) 2021; 11:life11030208. [PMID: 33799957 PMCID: PMC8000991 DOI: 10.3390/life11030208] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/01/2021] [Accepted: 03/03/2021] [Indexed: 02/07/2023] Open
Abstract
Renal artery stenosis (RAS) is conditioned mainly by two disturbances: fibromuscular dysplasia or atherosclerosis of the renal artery. RAS is an example of renovascular disease, with complex pathophysiology and consequences. There are multiple pathophysiological mechanisms triggered in response to significant renal artery stenosis, including disturbances within endothelin, kinin-kallikrein and sympathetic nervous systems, with angiotensin II and the renin-angiotensin-aldosterone system (RAAS) playing a central and key role in the pathogenesis of RAS. The increased oxidative stress and the release of pro-inflammatory mediators contributing to pathological tissue remodelling and renal fibrosis are also important pathogenetic elements of RAS. This review briefly summarises these pathophysiological issues, focusing on renovascular hypertension and ischemic nephropathy as major clinical manifestations of RAS. The activation of RAAS and its haemodynamic consequences is the primary and key element in the pathophysiological cascade triggered in response to renal artery stenosis. However, the pathomechanism of RAS is more complex and also includes other disturbances that ultimately contribute to the development of the diseases mentioned above. To sum up, RAS is characterised by different clinical pictures, including asymptomatic disorders diagnosed in kidney imaging, renovascular hypertension, usually characterised by severe course, and chronic ischemic nephropathy, described by pathological remodelling of kidney tissue, ultimately leading to kidney injury and chronic kidney disease.
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Affiliation(s)
- Lukasz Dobrek
- Department of Clinical Pharmacology, Wroclaw Medical University, Wroclaw, Poland
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19
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Valdés G, Acuña S, Schneider D, Ortíz R, Padilla O. Bradykinin Exerts Independent Effects on Trophoblast Invasion and Blood Pressure in Pregnant Guinea Pigs. Reprod Sci 2020; 27:1648-1655. [PMID: 32430711 DOI: 10.1007/s43032-020-00195-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
INTRODUCTION The pleiotropic kininogen-kallikrein-kinin system is upregulated in pregnancy and localizes in the uteroplacental unit. To identify the systemic and local participation of the bradykinin type 2 receptor (B2R), this was antagonized by Bradyzide (BDZ) during 2 periods: from days 20 to 34 and from days 20 to 60 in pregnant guinea pigs. METHODS Pregnant guinea pigs received subcutaneous infusions of saline or BDZ from gestational day 20 until sacrifice on day 34 (Short B2R Antagonism [SH-B2RA]) or on day 60 (Prolonged B2R Antagonism [PR-B2RA]). In SH-BDZA, systolic blood pressure was determined on day 34, while in PR-BDZA it was measured preconceptionally, at days 40 and 60. On gestational day 60, plasma creatinine, uricemia, proteinuria, fetal, placental and maternal kidney weight, and the extent of trophoblast invasion were evaluated. RESULTS The SH-B2RA increased systolic blood pressure on day 34 and reduced trophoblast myometrial invasion, spiral artery remodeling, and placental sufficiency. The PR-B2RA suppressed the normal blood pressure fall observed on days 40 and 60; vascular transformation, placental efficiency, urinary protein, serum creatinine, and uric acid did not differ between the groups. The proportion of all studied mothers with lost fetuses was greater under BDZ infusion than in controls. CONCLUSION The increased systolic blood pressure and transient reduction in trophoblast invasion and fetal/placental weight in the SH-B2R blockade and the isolated impact on blood pressure in the PR-B2R blockade indicate that bradykinin independently modulates systemic hemodynamics and the uteroplacental unit through cognate vascular and local B2R receptors.
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Affiliation(s)
- Gloria Valdés
- Centro de Investigaciones Médicas, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile.
- Departamento de Nefrología, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile.
| | - Stephanie Acuña
- Centro de Investigaciones Médicas, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile
| | - Daniela Schneider
- Centro de Investigaciones Médicas, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile
| | - Rita Ortíz
- Centro de Investigaciones Médicas, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile
| | - Oslando Padilla
- Departamento de Salud Pública, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile
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20
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Scialo F, Daniele A, Amato F, Pastore L, Matera MG, Cazzola M, Castaldo G, Bianco A. ACE2: The Major Cell Entry Receptor for SARS-CoV-2. Lung 2020; 198:867-877. [PMID: 33170317 PMCID: PMC7653219 DOI: 10.1007/s00408-020-00408-4] [Citation(s) in RCA: 278] [Impact Index Per Article: 69.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/05/2020] [Indexed: 02/06/2023]
Abstract
Despite the unprecedented effort of the scientific community, the novel SARS-CoV-2 virus has infected more than 46 million people worldwide, killing over one million two hundred thousand. Understanding the mechanisms by which some individuals are more susceptible to SARS-CoV-2 infection and why a subgroup of them are prone to experience severe pneumonia, and death should lead to a better approach and more effective treatments for COVID-19. Here, we focus our attention on ACE2, a primary receptor of SARS-CoV-2. We will discuss its biology, tissue expression, and post-translational regulation that determine its potential to be employed by SARS-CoV-2 for cell entry. Particular attention will be given to how the ACE2 soluble form can have a great impact on disease progression and thus be used in a potential therapeutic strategy. Furthermore, we will discuss repercussions that SARS-CoV-2/ACE2 binding has on the renin–angiotensin system and beyond. Indeed, although mostly neglected, ACE2 can also act on [des-Arg 937]-bradykinin of the kinin–kallikrein system regulating coagulation and inflammation. Thorough comprehension of the role that ACE2 plays in different pathways will be the key to assess the impact that SARS-CoV-2/ACE2 binding has on organismal physiology and will help us to find better therapies and diagnostic tools.
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Affiliation(s)
- Filippo Scialo
- Dipartimento di Scienze Mediche Traslazionali, University of Campania "L. Vanvitelli", Naples, Italy
- CEINGE, Biotecnologie Avanzate, Naples, Italy
| | - Aurora Daniele
- Dipartimento di Scienze e Tecnologie Ambientali Biologiche Farmaceutiche, University of Campania "L. Vanvitelli", Naples, Italy
- CEINGE, Biotecnologie Avanzate, Naples, Italy
| | - Felice Amato
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Di Napoli Federico II, Naples, Italy
- CEINGE, Biotecnologie Avanzate, Naples, Italy
| | - Lucio Pastore
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Di Napoli Federico II, Naples, Italy
- CEINGE, Biotecnologie Avanzate, Naples, Italy
| | - Maria Gabriella Matera
- Dipartimento di Medicina Sperimentale, University of Campania "L. Vanvitelli", Naples, Italy
| | - Mario Cazzola
- Dipartimento di Medicina Sperimentale, University of Rome "Tor Vergata", Rome, Italy.
| | - Giuseppe Castaldo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Di Napoli Federico II, Naples, Italy
- CEINGE, Biotecnologie Avanzate, Naples, Italy
| | - Andrea Bianco
- Dipartimento di Scienze Mediche Traslazionali, University of Campania "L. Vanvitelli", Naples, Italy
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Hao P, Liu Y, Guo H, Zhang Z, Chen Q, Hao G, Zhang C, Zhang Y. Prolylcarboxypeptidase Mitigates Myocardial Ischemia/Reperfusion Injury by Stabilizing Mitophagy. Front Cell Dev Biol 2020; 8:584933. [PMID: 33195231 PMCID: PMC7642202 DOI: 10.3389/fcell.2020.584933] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 09/16/2020] [Indexed: 12/17/2022] Open
Abstract
The role of prolylcarboxypeptidase (PRCP) in myocardial ischemia/reperfusion (I/R) injury is unclear. Herein, we aimed to evaluate the protective effect of the PRCP-angiotensin-(1-7) [Ang-(1-7)]/bradykinin-(1-9) [BK-(1-9)] axis on myocardial I/R injury and identify the mechanisms involved. Plasma PRCP level and activity, as well as Ang-(1-7) and BK-(1-9) levels, were compared in healthy subjects, patients with unstable angina, and those with ST-segment-elevated acute myocardial infarction (AMI). Thereafter, the effects of PRCP overexpression and knockdown on left ventricular function, mitophagy, and levels of Ang-(1-7) and BK-(1-9) were examined in rats during myocardial I/R. Finally, the effects of Ang-(1-7) and BK-(1-9) on I/R-induced mitophagy and the signaling pathways involved were investigated in vitro in rat cardiomyocytes. AMI patients showed increased plasma level and activity of PRCP and levels of Ang-(1-7) and BK-(1-9) as compared with healthy subjects and those with unstable angina. PRCP protected against myocardial I/R injury in rats by paradoxical regulation of cardiomyocyte mitophagy during the ischemia and reperfusion phases, which was mediated by downstream Ang-(1-7) and BK-(1-9). We further depicted a possible role of activation of AMPK in mitophagy induction during ischemia and activation of Akt in mitophagy inhibition during reperfusion in the beneficial effects of Ang-(1-7) and BK-(1-9). Thus, the PRCP-Ang-(1-7)/BK-(1-9) axis may protect against myocardial I/R injury by paradoxical regulation of cardiomyocyte mitophagy during ischemia and reperfusion phases.
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Affiliation(s)
- Panpan Hao
- Department of Cardiology, Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yanping Liu
- Department of Cardiology, Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Radiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shenzhen Research Institute of Shandong University, Shenzhen, China
| | - Haipeng Guo
- Department of Cardiology, Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Zhongwen Zhang
- Department of Endocrinology and Metabolism, Shandong Provincial Qianfoshan Hospital, The First Hospital Affiliated with Shandong First Medical University, Shandong University, Jinan, China
| | - Qingjie Chen
- First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China
| | - Guoxiang Hao
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Shandong University, Jinan, China
| | - Cheng Zhang
- Department of Cardiology, Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yun Zhang
- Department of Cardiology, Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
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22
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Rasaeifar B, Gomez-Gutierrez P, Perez JJ. Molecular Features of Non-Selective Small Molecule Antagonists of the Bradykinin Receptors. Pharmaceuticals (Basel) 2020; 13:E259. [PMID: 32967280 PMCID: PMC7558388 DOI: 10.3390/ph13090259] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/18/2020] [Accepted: 09/18/2020] [Indexed: 02/07/2023] Open
Abstract
Angiotensin converting enzyme 2 (ACE2) downregulation is a key negative factor for the severity of lung edema and acute lung failure observed in patients infected with SARS-CoV-2. ACE2 downregulation affects the levels of diverse peptide mediators of the renin-agiotensin-aldestosterone and kallikrein-kinin systems, compromising vascular hemostasis. Increasing evidence suggests that the inflammatory response observed in covid-19 patients is initiated by the action of kinins on the bradykinin receptors. Accordingly, the use of bradykinin antagonists should be considered as a strategy for therapeutic intervention against covid-19 illness progression. Presently, icatibant is the only bradykinin antagonist drug approved. In the present report, we investigated the molecular features characterizing non-selective antagonists targeting the bradykinin receptors and carried out a in silico screening of approved drugs, aimed at the identification of compounds with a non-selective bradykinin antagonist profile that can be evaluated for drug repurposing. The study permitted to identify eight compounds as prospective non-selective antagonists of the bradykinin receptors, including raloxifene; sildenafil; cefepime; cefpirome; imatinib; ponatinib; abemaciclib and entrectinib.
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Affiliation(s)
| | | | - Juan J. Perez
- Department of Chemical Engineering, Universitat Politecnica de Catalunya. ETSEIB. Av. Diagonal, 647, 08028 Barcelona, Spain; (B.R.); (P.G.-G.)
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Alexandre-Santos B, Alves R, Matsuura C, Sepúlveda-Fragoso V, Velasco LL, Machado MV, Vieira AB, Fernandes T, Oliveira EM, Tibiriçá E, Nóbrega ACLD, Magliano DC, Frantz EDC. Modulation of cardiac renin-angiotensin system, redox status and inflammatory profile by different volumes of aerobic exercise training in obese rats. Free Radic Biol Med 2020; 156:125-136. [PMID: 32580045 DOI: 10.1016/j.freeradbiomed.2020.05.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 05/23/2020] [Accepted: 05/25/2020] [Indexed: 12/12/2022]
Abstract
Overactivation of the classical arm of the renin-angiotensin (Ang) system (RAS) occurs during inflammation, oxidative stress and obesity-induced cardiomyopathy. The activation of the protective arm of RAS may act to counterbalance the deleterious effects of the classical RAS. Although aerobic exercise training (AET) shifts the balance of the RAS towards the protective arm, little is known about the molecular adaptations to different volumes of AET. The aim of this study was to evaluate the impact of AET volume on the modulation of RAS, as well as on cardiac biomarkers of oxidative stress and inflammation, in a diet-induced obesity model. Male Wistar rats were fed either control (CON) or high fat (HF) diet for 32 weeks. At week 20, HF group was subdivided into sedentary, low (LEV, 150 min/week) or high (HEV, 300 min/week) exercise volume. After 12 weeks of exercise, body mass gain, systolic blood pressure and heart rate were evaluated, as well as RAS, oxidative stress and inflammation in the heart. Body mass gain, systolic blood pressure and heart rate were higher in HF group when compared with SC group. Both trained groups restored systolic blood pressure and heart rate, but only HEV reduced body mass gain. Regarding the cardiac RAS, the HF group exhibited favoring of the classical arm and both trained groups shifted the balance towards the counterregulatory protective arm. The HF group had higher B1R expression and lower B2R expression than the control group, and B2R expression was reverted in both trained groups. The HF group also presented oxidative stress. The LEV and HEV groups improved the cardiac redox status by reducing Nox 2 and nitrotyrosine expression, but only the LEV group was able to increase the antioxidant defense by increasing Nrf2 signaling. While the HF group presented higher TNF-α, IL-6 and NFκB expression, and lower IL-10 expression, than the SC group, both training protocols improved the inflammatory profile. Although both trained groups improved the deleterious changes related to obesity cardiomyopathy, it is clear that the molecular mechanisms differ between them. Our results suggest that different exercise volumes might reach different molecular targets, and this could be a relevant factor when using exercise to manage obesity.
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Affiliation(s)
- Beatriz Alexandre-Santos
- Laboratory of Exercise Sciences, Fluminense Federal University, Niteroi, RJ, Brazil; Laboratory of Morphological and Metabolic Analyses, Biomedical Institute, Fluminense Federal University, Niteroi, RJ, Brazil
| | - Renata Alves
- Laboratory of Exercise Sciences, Fluminense Federal University, Niteroi, RJ, Brazil
| | - Cristiane Matsuura
- Department of Pharmacology and Psychobiology, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vinicius Sepúlveda-Fragoso
- Laboratory of Morphological and Metabolic Analyses, Biomedical Institute, Fluminense Federal University, Niteroi, RJ, Brazil
| | | | - Marcus Vinícius Machado
- Biomedical Science Department, Ross University School of Veterinary Medicine, Basseterre, Saint Kitts and Nevis; National Institute for Science & Technology - INCT Physical (In)activity & Exercise, CNPq - Niteroi, RJ, Brazil
| | - Aline Bomfim Vieira
- Biomedical Science Department, Ross University School of Veterinary Medicine, Basseterre, Saint Kitts and Nevis
| | - Tiago Fernandes
- National Institute for Science & Technology - INCT Physical (In)activity & Exercise, CNPq - Niteroi, RJ, Brazil; Laboratory of Biochemistry and Molecular Biology of Exercise, School of Physical Education and Sport, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Edilamar Menezes Oliveira
- National Institute for Science & Technology - INCT Physical (In)activity & Exercise, CNPq - Niteroi, RJ, Brazil; Laboratory of Biochemistry and Molecular Biology of Exercise, School of Physical Education and Sport, University of Sao Paulo, Sao Paulo, SP, Brazil
| | - Eduardo Tibiriçá
- National Institute for Science & Technology - INCT Physical (In)activity & Exercise, CNPq - Niteroi, RJ, Brazil; National Institute of Cardiology, Ministry of Health, Rio de Janeiro, Brazil
| | - Antonio Claudio Lucas da Nóbrega
- Laboratory of Exercise Sciences, Fluminense Federal University, Niteroi, RJ, Brazil; National Institute for Science & Technology - INCT Physical (In)activity & Exercise, CNPq - Niteroi, RJ, Brazil
| | - D'Angelo Carlo Magliano
- Laboratory of Morphological and Metabolic Analyses, Biomedical Institute, Fluminense Federal University, Niteroi, RJ, Brazil
| | - Eliete Dalla Corte Frantz
- Laboratory of Exercise Sciences, Fluminense Federal University, Niteroi, RJ, Brazil; Laboratory of Morphological and Metabolic Analyses, Biomedical Institute, Fluminense Federal University, Niteroi, RJ, Brazil; National Institute for Science & Technology - INCT Physical (In)activity & Exercise, CNPq - Niteroi, RJ, Brazil.
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24
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Ambari AM, Setianto B, Santoso A, Radi B, Dwiputra B, Susilowati E, Tulrahmi F, Doevendans PA, Cramer MJ. Angiotensin Converting Enzyme Inhibitors (ACEIs) Decrease the Progression of Cardiac Fibrosis in Rheumatic Heart Disease Through the Inhibition of IL-33/sST2. Front Cardiovasc Med 2020; 7:115. [PMID: 32850979 PMCID: PMC7399157 DOI: 10.3389/fcvm.2020.00115] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Accepted: 06/03/2020] [Indexed: 12/12/2022] Open
Abstract
Rheumatic heart disease (RHD) is common in developing countries and poses a big medical challenge and burden. The pathogenesis of RHD is influenced by the triad of host, agent, and environment. Autoantigens generated from Group A Streptococcus (GAS) infection are captured by the resident dendritic cells (DCs) in the heart's valvular endothelium. DCs differentiate into antigen presenting cells (APC) in the valve interstices. APC induces activation of autoreactive T cells, which triggers inflammation and tissue fibrosis. Cardiac fibrosis is promoted through the activation of Mitogen activated protein kinases (MAPKs) and its downstream signaling, including its interaction with transforming growth factor-β (TGF-β) and Smad proteins. TGF-β-induced phosphorylation of Smad2 complexes with Smad3 and Smad4, and translocates into the nucleus. Angiotensin II enhances the migration, maturation, and presentation of DC. In RHD, Angiotensin II induces fibrosis via the stimulation of TGF-β, which further increases the binding of IL-33 to sST2 but not ST2L, resulting in the upregulation of Angiotensin II and progression of cardiac fibrosis. This cascade of inflammation and valvular fibrosis causes calcification and stiffening of the heart valves in RHD. Angiotensin converting enzyme inhibitors (ACEIs) inhibit Angiotensin II production, which in turn decreases TGF-β expression and the onset of overt inflammatory response. This condition leads to a reduction in the sST2 as the decoy receptor to "steal" IL-33, and IL-33 binds to ST2L and results in cardioprotection against cardiac fibrosis in the pathogenesis of RHD.
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Affiliation(s)
- Ade M. Ambari
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, National Cardiovascular Center Harapan Kita, University of Indonesia, Jakarta, Indonesia
| | - Budhi Setianto
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, National Cardiovascular Center Harapan Kita, University of Indonesia, Jakarta, Indonesia
| | - Anwar Santoso
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, National Cardiovascular Center Harapan Kita, University of Indonesia, Jakarta, Indonesia
| | - Basuni Radi
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, National Cardiovascular Center Harapan Kita, University of Indonesia, Jakarta, Indonesia
| | - Bambang Dwiputra
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, National Cardiovascular Center Harapan Kita, University of Indonesia, Jakarta, Indonesia
| | - Eliana Susilowati
- Research Assistants of Preventive Cardiology, National Cardiovascular Center Harapan Kita, Jakarta, Indonesia
| | - Fadilla Tulrahmi
- Research Assistants of Preventive Cardiology, National Cardiovascular Center Harapan Kita, Jakarta, Indonesia
| | - Pieter A. Doevendans
- Department of Cardiology, University Medical Center Utrecht, Utrecht, Netherlands
- Cardiovascular Departement, The Netherlands Heart Institute Utrecht, Utrecht, Netherlands
| | - Maarten J. Cramer
- Department of Cardiology, University Medical Center Utrecht, Utrecht, Netherlands
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25
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Ekiz T, Kara M, Özçakar L. Letter to the editors in response to: Angiotensin-converting enzyme inhibitors and angiotensin receptor blockers may be harmful in patients with diabetes during COVID-19 pandemic (Cure et al.). Diabetes Metab Syndr 2020; 14:525-526. [PMID: 32402930 PMCID: PMC7198989 DOI: 10.1016/j.dsx.2020.04.054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 04/30/2020] [Accepted: 04/30/2020] [Indexed: 01/09/2023]
Affiliation(s)
- Timur Ekiz
- Department of Physical and Rehabilitation Medicine, Türkmenbaşı Medical Center, Adana, Turkey.
| | - Murat Kara
- Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey
| | - Levent Özçakar
- Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey
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26
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Fedson DS, Opal SM, Rordam OM. Reply to Siniorakis et al., "COVID-19 Interference with Renin-Angiotensin System in the Context of Heart Failure". mBio 2020; 11:e01243-20. [PMID: 32471831 PMCID: PMC7267890 DOI: 10.1128/mbio.01243-20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
| | - Steven M Opal
- Department of Medicine, Alpert Medical School of Brown University, Providence, Rhode Island, USA
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27
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Echeverría-Rodríguez O, Gallardo-Ortíz IA, Del Valle-Mondragón L, Villalobos-Molina R. Angiotensin-(1-7) Participates in Enhanced Skeletal Muscle Insulin Sensitivity After a Bout of Exercise. J Endocr Soc 2020; 4:bvaa007. [PMID: 32104748 PMCID: PMC7039407 DOI: 10.1210/jendso/bvaa007] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 01/27/2020] [Indexed: 01/12/2023] Open
Abstract
A single bout of exercise increases subsequent insulin-stimulated glucose uptake in skeletal muscle; however, it is unknown whether angiotensin-(1-7) (Ang-(1-7)), a vasoactive peptide of the renin-angiotensin system, participates in this process. The aim of this study was to investigate the possible involvement of Ang-(1-7) in enhanced skeletal muscle insulin sensitivity after an exercise session. Male Wistar rats were forced to swim for 2.5 hours. Two hours after exercise, insulin tolerance tests and 2-deoxyglucose uptake in isolated soleus muscle were assessed in the absence or presence of the selective Mas receptor (MasR, Ang-(1-7) receptor) antagonist A779. Ang II and Ang-(1-7) levels were quantified in plasma and soleus muscle by HPLC. The protein abundance of angiotensin-converting enzyme (ACE), ACE2, Ang II type 1 receptor (AT1R), and MasR was measured in soleus muscle by Western blot. Prior exercise enhanced insulin tolerance and insulin-mediated 2-deoxyglucose disposal in soleus muscle. Interestingly, these insulin-sensitizing effects were abolished by A779. After exercise, the Ang-(1-7)/Ang II ratio decreased in plasma, whereas it increased in muscle. In addition, exercise reduced ACE expression, but it did not change the protein abundance of AT1R, ACE2, and MasR. These results suggest that Ang-(1-7) acting through MasR participates in enhanced insulin sensitivity of skeletal muscle after a bout of exercise.
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Affiliation(s)
- Omar Echeverría-Rodríguez
- Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, 54090 Estado de México, México
| | - Itzell A Gallardo-Ortíz
- Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, 54090 Estado de México, México
| | - Leonardo Del Valle-Mondragón
- Departamento de Farmacología, Instituto Nacional de Cardiología "Ignacio Chávez", Tlalpan, 14080 Ciudad de México, México
| | - Rafael Villalobos-Molina
- Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, 54090 Estado de México, México
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28
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Orgah JO, He S, Wang Y, Jiang M, Wang Y, Orgah EA, Duan Y, Zhao B, Zhang B, Han J, Zhu Y. Pharmacological potential of the combination of Salvia miltiorrhiza (Danshen) and Carthamus tinctorius (Honghua) for diabetes mellitus and its cardiovascular complications. Pharmacol Res 2020; 153:104654. [PMID: 31945473 DOI: 10.1016/j.phrs.2020.104654] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 12/15/2019] [Accepted: 01/12/2020] [Indexed: 02/07/2023]
Abstract
Metabolic syndrome, such as diabetes mellitus, obesity, atherosclerosis, and high blood pressure (HBP), are closely linked pathophysiologically. However, current monotherapies for metabolic syndrome fail to target the multifactorial pathology via multiple mechanisms, as well as resolving the dysfunctionality of the cells and organs of the body. We aimed to provide a comprehensive and up-to-date review of the pharmacological advances, therapeutic potential, and phytochemistry of Salvia miltiorrhiza, Carthamus tinctorius, and Danhong injection (DHI). We discussed the molecular mechanisms of the bioactive constituents relating to diabetes mellitus and metabolic disease for further research and drug development. Interestingly, Salvia miltiorrhiza, Carthamus tinctorius, and DHI have anti-inflammatory, anti-glycemic, anti-thrombotic, and anti-cancer properties; and they mainly act by targeting the dysfunctional vasculatures including the inflammatory components of the disease to provide vascular repair as well as resolving oxidative stress. The major bioactive chemical constituents of these plants include polyphenolic acids, diterpene compounds, carthamin, and hydroxysafflor yellow A. Treatment of diabetes mellitus and its associated cardiovascular complication requires a comprehensive approach involving the use of appropriate traditional Chinese medicine formula. Danshen, Honghua, and DHI target the multiple risk factors regulating the physiologic function of the body and restore normalcy, apart from the traditional advice on exercise and diet control as treatment options in a metabolic syndrome patient.
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Affiliation(s)
- John O Orgah
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China; Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology and Medicine, 220 Dongting Road, TEDA, Tianjin 300457, China
| | - Shuang He
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China; Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology and Medicine, 220 Dongting Road, TEDA, Tianjin 300457, China
| | - Yule Wang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China; Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology and Medicine, 220 Dongting Road, TEDA, Tianjin 300457, China
| | - Miaomiao Jiang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China; Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology and Medicine, 220 Dongting Road, TEDA, Tianjin 300457, China
| | - Yuefei Wang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China; Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology and Medicine, 220 Dongting Road, TEDA, Tianjin 300457, China
| | - Emmanuel A Orgah
- Nigeria Natural Medicine Development Agency, 9 Kofo Abayomi Street, Victoria Island Logos, Nigeria
| | - Yajun Duan
- College of Life Sciences, Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials of Ministry of Education, Nankai University, Tianjin 300193, China; College of Biomedical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Buchang Zhao
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China
| | - Boli Zhang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China
| | - Jihong Han
- College of Life Sciences, Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials of Ministry of Education, Nankai University, Tianjin 300193, China; College of Biomedical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yan Zhu
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin 301617, China; Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology and Medicine, 220 Dongting Road, TEDA, Tianjin 300457, China.
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Associations of ACE I/D polymorphism with the levels of ACE, kallikrein, angiotensin II and interleukin-6 in STEMI patients. Sci Rep 2019; 9:19719. [PMID: 31873176 PMCID: PMC6927979 DOI: 10.1038/s41598-019-56263-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 12/09/2019] [Indexed: 12/11/2022] Open
Abstract
This study aimed to compare the plasma levels of angiotensin-I converting enzyme (ACE), Angiotensin II (AngII), kallikrein (KLK1) and interleukin-6 (IL-6) in ST segment elevation myocardial infarction (STEMI) patients with different ACE Insertion/deletion (I/D) polymorphisms in a Chinese population. The ACE genotypes were determined in the 199 STEMI patients and 216 control subjects. STEMI patients were divided into three groups based on the ACE genotypes. Single polymerase chain reaction (PCR) was performed to characterize ACE I/D polymorphisms. Plasma levels of ACE, AngII, KLK1 and IL-6 were measured by enzyme-linked immunosorbent assay (ELISA). We found that the DD or ID genotype was significantly independently associated with high ACE (OR = 4.697; 95% CI = 1.927–11.339), KLK1 (3.339; 1.383–8.063) and IL-6 levels (OR = 2.10; 1.025–4.327) in STEMI patients. However, there was no statistical significance between the ACE I/D polymorphism and AngII plasma levels whether in univariate or multivariate logistic regression. Additionally, we detected a significantly positive correlation between plasma KLK1 levels and IL-6 levels in STEMI patients (r = 0.584, P < 0.001). The study showed high levels of ACE, KLK1 and IL-6 were detected when the D allele was present, but AngII plasma levels was not influenced by the ACE I/D polymorphism.
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Ancion A, Tridetti J, Nguyen Trung ML, Oury C, Lancellotti P. A Review of the Role of Bradykinin and Nitric Oxide in the Cardioprotective Action of Angiotensin-Converting Enzyme Inhibitors: Focus on Perindopril. Cardiol Ther 2019; 8:179-191. [PMID: 31578675 PMCID: PMC6828891 DOI: 10.1007/s40119-019-00150-w] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Indexed: 12/13/2022] Open
Abstract
The functional integrity of the endothelium is essential for vascular health. In addition to maintaining a delicate balance between vasodilation and vasoconstriction, the endothelium has numerous other complex roles involved in the maintenance of vascular homeostasis. Chronic exposure to cardiovascular risk factors and oxidative stress results in an imbalance in these functions, creating an environment that favors reduced vasodilation and a proinflammatory and prothrombic state. The involvement of endothelial dysfunction in all stages of the cardiovascular continuum makes it an important target for treatment. One of the major endothelial-derived factors involved in the maintenance of endothelial function is nitric oxide (NO). Angiotensin-converting enzyme (ACE) inhibitors increase NO production both directly and indirectly by preventing production of angiotensin II (which diminishes NO production) and inhibiting the degradation of bradykinin (which stimulates local release of NO). Among the ACE inhibitors, perindopril appears to have the greatest effects on bradykinin and has demonstrated efficacy in a number of markers of endothelial dysfunction including arterial stiffness and progression of atherosclerosis. There is also strong evidence supporting the use of perindopril-based therapy for the treatment of hypertension and for reducing the risk of cardiovascular morbidity and mortality in a wide range of patients across the cardiovascular continuum.Funding: The journal's Rapid Service Fee was funded by Servier.
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Affiliation(s)
- Arnaud Ancion
- University of Liège Hospital, GIGA Cardiovascular Sciences, Division of Cardiology, Acute Care Unit, Heart Failure Clinic, CHU Sart Tilman, Liège, Belgium
| | - Julien Tridetti
- University of Liège Hospital, GIGA Cardiovascular Sciences, Division of Cardiology, Acute Care Unit, Heart Failure Clinic, CHU Sart Tilman, Liège, Belgium
| | - Mai-Linh Nguyen Trung
- University of Liège Hospital, GIGA Cardiovascular Sciences, Division of Cardiology, Acute Care Unit, Heart Failure Clinic, CHU Sart Tilman, Liège, Belgium
| | - Cécile Oury
- University of Liège Hospital, GIGA Cardiovascular Sciences, Division of Cardiology, Acute Care Unit, Heart Failure Clinic, CHU Sart Tilman, Liège, Belgium
| | - Patrizio Lancellotti
- University of Liège Hospital, GIGA Cardiovascular Sciences, Division of Cardiology, Acute Care Unit, Heart Failure Clinic, CHU Sart Tilman, Liège, Belgium.
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Sierra APR, Lima GHO, da Silva ED, Maciel JFDS, Benetti MP, de Oliveira RA, Martins PFDO, Kiss MAP, Ghorayeb N, Newsholme P, Pesquero JB, Cury-Boaventura MF. Angiotensin-Converting Enzyme Related-Polymorphisms on Inflammation, Muscle and Myocardial Damage After a Marathon Race. Front Genet 2019; 10:984. [PMID: 31708962 PMCID: PMC6823274 DOI: 10.3389/fgene.2019.00984] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 09/17/2019] [Indexed: 11/13/2022] Open
Abstract
Muscle damage is one of the most important factors that affect muscle fatigue during endurance exercise. Recent evidence suggests that the renin–angiotensin system impacts on skeletal muscle wasting. The aim of this study was to determine association between the AGT Met235Thr, ACE I/D and BDKRB2 −9/+9 polymorphisms with inflammation, myocardial and muscle injury induced by endurance exercise. Eighty-one Brazilian male runners participated in this study and completed the International Marathon of Sao Paulo. Muscle and myocardial damage markers (alanine transaminase, ALT, aspartate transaminase, AST, lactic dehydrogenase, LDH, creatine kinase, CK, Troponin, pro BNP, myoglobin, and CK-MB) and inflammatory mediators (IL-6, IL-8, IL-10, IL12p70, IL1β, and TNF-α) were determined one day before, immediately after, one day after, and three days after the event. Muscle damage was also determined fifteen days after race and angiotensinogen (AGT) Met235Thr, angiotensin-converting enzyme (ACE) I/D, and Bradykinin B2 receptor (BDKRB2) −9/+9 polymorphisms were determined. Marathon race participation induced an increase in all muscle damage and inflammatory markers evaluated (p < 0.0001). The muscle damage markers, troponin and pro BNP, CK and LDH and inflammatory markers, IL-6, IL-8, IL-1β and IL-10 were also higher in ACE II genotype immediately after race, compared to DD genotype. The percentage of runners higher responders (>500U/I) to CK levels was higher for II genotypes (69%) compared to DD and ID genotypes (38% and 40%, respectively) immediately after. Troponin, pro BNP and IL-1β, IL-8 levels were also elevated in AGT MM genotype compared to TT genotype athletes after and/or one day after race. BDKRB2 −9/−9 had pronounced response to LDH, CK, CK-MB and ALT and AST activities, myoglobin, troponin, IL-6, IL-8 levels immediately, one day and/or three days after race. The percentage of runners higher responders (>500U/I) to CK levels was greater for −9−9 and −9+9 genotypes (46 and 48%, respectively) compared to +9+9 genotypes (31%) immediately after. ACE II, AGT MM, and BDKRB2 −9−9 genotypes may increase the susceptibility to inflammation, muscle injury after endurance exercise and could be used to predict the development of clinical conditions associated with muscle damage and myocardial injury.
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Affiliation(s)
- Ana Paula Rennó Sierra
- School of Physical Education and Sport, University of São Paulo, Sao Paulo, Brazil.,Sports Cardiology Department, Dante Pazzanese Institute of Cardiology, Sao Paulo, Brazil
| | | | - Elton Dias da Silva
- Department of Biophysics, Federal University of Sao Paulo, Sao Paulo, Brazil
| | | | | | | | | | | | - Nabil Ghorayeb
- Sports Cardiology Department, Dante Pazzanese Institute of Cardiology, Sao Paulo, Brazil
| | - Philip Newsholme
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia
| | - João Bosco Pesquero
- Department of Biophysics, Federal University of Sao Paulo, Sao Paulo, Brazil
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Ramesh SS, Christopher R, Indira Devi B, Bhat DI. The vascular protective role of oestradiol: a focus on postmenopausal oestradiol deficiency and aneurysmal subarachnoid haemorrhage. Biol Rev Camb Philos Soc 2019; 94:1897-1917. [DOI: 10.1111/brv.12541] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 06/04/2019] [Accepted: 06/10/2019] [Indexed: 12/24/2022]
Affiliation(s)
- Shruthi S. Ramesh
- Department of NeurochemistryNational Institute of Mental Health and Neuro Sciences Bengaluru‐560029 Karnataka India
| | - Rita Christopher
- Department of NeurochemistryNational Institute of Mental Health and Neuro Sciences Bengaluru‐560029 Karnataka India
| | - Bhagavatula Indira Devi
- Department of NeurosurgeryNational Institute of Mental Health and Neuro Sciences Bengaluru‐560029 Karnataka India
| | - Dhananjaya I. Bhat
- Department of NeurosurgeryNational Institute of Mental Health and Neuro Sciences Bengaluru‐560029 Karnataka India
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Welsh P, Preiss D, Hayward C, Shah ASV, McAllister D, Briggs A, Boachie C, McConnachie A, Padmanabhan S, Welsh C, Woodward M, Campbell A, Porteous D, Mills NL, Sattar N. Cardiac Troponin T and Troponin I in the General Population. Circulation 2019; 139:2754-2764. [PMID: 31014085 PMCID: PMC6571179 DOI: 10.1161/circulationaha.118.038529] [Citation(s) in RCA: 198] [Impact Index Per Article: 39.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND There is great interest in widening the use of high-sensitivity cardiac troponins for population cardiovascular disease (CVD) and heart failure screening. However, it is not clear whether cardiac troponin T (cTnT) and troponin I (cTnI) are equivalent measures of risk in this setting. We aimed to compare and contrast (1) the association of cTnT and cTnI with CVD and non-CVD outcomes, and (2) their determinants in a genome-wide association study. METHODS High-sensitivity cTnT and cTnI were measured in serum from 19 501 individuals in Generation Scotland Scottish Family Health Study. Median follow-up was 7.8 years (quartile 1 to quartile 3, 7.1-9.2). Associations of each troponin with a composite CVD outcome (1177 events), CVD death (n=266), non-CVD death (n=374), and heart failure (n=216) were determined by using Cox models. A genome-wide association study was conducted using a standard approach developed for the cohort. RESULTS Both cTnI and cTnT were strongly associated with CVD risk in unadjusted models. After adjusting for classical risk factors, the hazard ratio for a 1 SD increase in log transformed troponin was 1.24 (95% CI, 1.17-1.32) and 1.11 (1.04-1.19) for cTnI and cTnT, respectively; ratio of hazard ratios 1.12 (1.04-1.21). cTnI, but not cTnT, was associated with myocardial infarction and coronary heart disease. Both cTnI and cTnT had strong associations with CVD death and heart failure. By contrast, cTnT, but not cTnI, was associated with non-CVD death; ratio of hazard ratios 0.77 (0.67-0.88). We identified 5 loci (53 individual single-nucleotide polymorphisms) that had genome-wide significant associations with cTnI, and a different set of 4 loci (4 single-nucleotide polymorphisms) for cTnT. CONCLUSIONS The upstream genetic causes of low-grade elevations in cTnI and cTnT appear distinct, and their associations with outcomes also differ. Elevations in cTnI are more strongly associated with some CVD outcomes, whereas cTnT is more strongly associated with the risk of non-CVD death. These findings help inform the selection of an optimal troponin assay for future clinical care and research in this setting.
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Affiliation(s)
- Paul Welsh
- Institute of Cardiovascular and Medical Sciences (P.W., S.P., C.W., N.S.), University of Glasgow, United Kingdom
| | - David Preiss
- MRC Population Health Research Unit, Clinical Trial Service Unit and Epidemiological Studies Unit (D. Preiss), University of Oxford, United Kingdom
| | - Caroline Hayward
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine (C.H.), University of Edinburgh, United Kingdom
| | - Anoop S V Shah
- BHF Centre for Cardiovascular Science (A.S.V.S., N.L.M.), University of Edinburgh, United Kingdom
| | - David McAllister
- Institute of Cardiovascular and Medical Sciences (P.W., S.P., C.W., N.S.), University of Glasgow, United Kingdom
| | - Andrew Briggs
- Institute of Health and Wellbeing (A.B.), University of Glasgow, United Kingdom
| | - Charles Boachie
- Robertson Centre for Biostatistics (C.B., A.M.), University of Glasgow, United Kingdom
| | - Alex McConnachie
- Robertson Centre for Biostatistics (C.B., A.M.), University of Glasgow, United Kingdom
| | - Sandosh Padmanabhan
- Institute of Cardiovascular and Medical Sciences (P.W., S.P., C.W., N.S.), University of Glasgow, United Kingdom
| | - Claire Welsh
- Institute of Cardiovascular and Medical Sciences (P.W., S.P., C.W., N.S.), University of Glasgow, United Kingdom
| | - Mark Woodward
- The George Institute for Global Health (M.W.), University of Oxford, United Kingdom.,The George Institute for Global Health, University of New South Wales, Sydney, Australia (M.W.).,Department of Epidemiology, Johns Hopkins University, Baltimore, MD (M.W.)
| | - Archie Campbell
- Centre for Genomic and Experimental Medicine, MRC Institute of Genetics and Molecular Medicine (A.C., D. Porteous), University of Edinburgh, United Kingdom.,Usher Institute for Population Health Sciences and Informatics (A.C.), University of Edinburgh, United Kingdom
| | - David Porteous
- Centre for Genomic and Experimental Medicine, MRC Institute of Genetics and Molecular Medicine (A.C., D. Porteous), University of Edinburgh, United Kingdom
| | - Nicholas L Mills
- BHF Centre for Cardiovascular Science (A.S.V.S., N.L.M.), University of Edinburgh, United Kingdom
| | - Naveed Sattar
- Institute of Cardiovascular and Medical Sciences (P.W., S.P., C.W., N.S.), University of Glasgow, United Kingdom
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Deng T, Xie X, Duan J, Chen M. Di-(2-ethylhexyl) phthalate induced an increase in blood pressure via activation of ACE and inhibition of the bradykinin-NO pathway. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 247:927-934. [PMID: 30823347 DOI: 10.1016/j.envpol.2019.01.099] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 01/20/2019] [Accepted: 01/24/2019] [Indexed: 06/09/2023]
Abstract
Epidemiological studies and animal experiments have suggested that exposure to Di-(2-ethylhexyl) phthalate (DEHP) is strongly associated with an increase in blood pressure. However, the mechanisms that result in the detrimental effects of DEHP exposure on blood pressure are unclear. In our study, mice were orally exposed to DEHP dosages of 0.1, 1, 10 mg/kg/day for 6 weeks. The results showed that DEHP could induce a significant increase in systolic blood pressure (SBP) and heart rate, and a significant thickening of the ventricular wall. To explore the underlying mechanism, we measured the level of: angiotensin converting enzyme (ACE); bradykinin B2 receptor (BK2R); endothelial nitric oxide synthase (eNOS); bradykinin and Ca2+ in cardiac cytoplasm as well as in serum nitric oxide (NO). The results suggested that DEHP could induce an increase in ACE levels, and a decrease in bradykinin levels. Moreover, BK2R, Ca2+, eNOS and NO decreased when mice were exposed to 10 mg/kg/day DEHP. Interestingly, 5 mg/kg/day angiotensin converting enzyme inhibitor (ACEI) treatment inhibited the increase in blood pressure, and inhibited the decrease in the levels of BK2R, Ca2+, eNOS, and NO, that were induced by DEHP exposure. Our results suggest that DEHP might increase blood pressure by activating ACE expression, and inhibiting the bradykinin-NO pathway.
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Affiliation(s)
- Ting Deng
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, Hubei, 430079, China
| | - Xiaoman Xie
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, Hubei, 430079, China
| | - Jiufei Duan
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, Hubei, 430079, China
| | - Mingqing Chen
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, Hubei, 430079, China.
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Valdés G, Acuña S, Schneider D, Ortíz R, Padilla O. Bradykinin Exerts Independent Effects on Trophoblast Invasion and Blood Pressure in Pregnant Guinea Pigs. Reprod Sci 2019:1933719119833494. [PMID: 30836849 DOI: 10.1177/1933719119833494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
INTRODUCTION: The pleiotropic kininogen-kallikrein-kinin system is upregulated in pregnancy and localizes in the uteroplacental unit. To identify the systemic and local participation of the bradykinin type 2 receptor (B2R), this was antagonized by Bradyzide (BDZ) during 2 periods: from days 20 to 34 and from days 20 to 60 in pregnant guinea pigs. METHODS: Pregnant guinea pigs received subcutaneous infusions of saline or BDZ from gestational day 20 until sacrifice on day 34 (Short B2R Antagonism [SH-B2RA]) or on day 60 (Prolonged B2R Antagonism [PR-B2RA]). In SH-BDZA, systolic blood pressure was determined on day 34, while in PR-BDZA it was measured preconceptionally, at days 40 and 60. On gestational day 60, plasma creatinine, uricemia, proteinuria, fetal, placental and maternal kidney weight, and the extent of trophoblast invasion were evaluated. RESULTS: The SH-B2RA increased systolic blood pressure on day 34 and reduced trophoblast myometrial invasion, spiral artery remodeling, and placental sufficiency. The PR-B2RA suppressed the normal blood pressure fall observed on days 40 and 60; vascular transformation, placental efficiency, urinary protein, serum creatinine, and uric acid did not differ between the groups. The proportion of all studied mothers with lost fetuses was greater under BDZ infusion than in controls. CONCLUSION: The increased systolic blood pressure and transient reduction in trophoblast invasion and fetal/placental weight in the SH-B2R blockade and the isolated impact on blood pressure in the PR-B2R blockade indicate that bradykinin independently modulates systemic hemodynamics and the uteroplacental unit through cognate vascular and local B2R receptors.
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Affiliation(s)
- Gloria Valdés
- 1 Centro de Investigaciones Médicas, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile
- 2 Departamento de Nefrología, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile
| | - Stephanie Acuña
- 1 Centro de Investigaciones Médicas, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile
| | - Daniela Schneider
- 1 Centro de Investigaciones Médicas, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile
| | - Rita Ortíz
- 1 Centro de Investigaciones Médicas, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile
| | - Oslando Padilla
- 3 Departamento de Salud Pública, Facultad de Medicina, Pontificia Universidad Católica, Santiago, Chile
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36
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Igić R. Renin-angiotensin and kallikrein-kinin systems in diabetic retinopathy. SCRIPTA MEDICA 2019. [DOI: 10.5937/scriptamed50-23131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Preconditioning Contractions Suppress Muscle Pain Markers after Damaging Eccentric Contractions. Pain Res Manag 2018; 2018:3080715. [PMID: 30405861 PMCID: PMC6204166 DOI: 10.1155/2018/3080715] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 08/20/2018] [Accepted: 09/18/2018] [Indexed: 01/08/2023]
Abstract
Inexperienced vigorous exercise, including eccentric contraction (ECC), causes muscle pain and damage. Similar prior light exercise suppresses the development of muscle pain (repeated-bout effect), but the molecular mechanisms behind this are not sufficiently understood. In this study, the influence of a nondamaging preconditioning ECC load (Precon) on muscle pain-related molecules and satellite cell-activating factors was investigated at the mRNA expression level. Nine-week-old male Wistar rats (n=36) were divided into 2 groups: a group receiving only a damaging ECC (100 contractions) load (non-Precon) and a group receiving a nondamaging ECC (10 contractions) load 2 days before receiving the damaging ECC load (Precon). ECC was loaded on the left leg, and the right leg was regarded as the intact control (CTL). The medial head of the gastrocnemius muscle from all rats was excised 2 or 4 days after the damaging ECC loading, and the relative mRNA expression levels of muscle pain- and satellite cell-related molecules were quantitated using real-time RT PCR. Precon suppressed increases in MHC-embryonic and MHC-neonatal mRNA expressions. Enhancement of HGF, Pax7, MyoD, and myogenin mRNA expression was also suppressed, suggesting that Precon decreased the degree of muscle damage and no muscle regeneration or satellite cell activation occurred. Similarly, increases in mRNA expression of muscle pain-related molecules (BKB2 receptor, COX-2, and mPGEC-1) were also suppressed. This study clearly demonstrated that at the mRNA level, prior light ECC suppressed muscle damage induced by later damaging ECC and promoted recovery from muscle pain.
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da Costa PLN, Wynne D, Fifis T, Nguyen L, Perini M, Christophi C. The kallikrein-Kinin system modulates the progression of colorectal liver metastases in a mouse model. BMC Cancer 2018; 18:382. [PMID: 29618333 PMCID: PMC5885419 DOI: 10.1186/s12885-018-4260-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 03/20/2018] [Indexed: 01/06/2023] Open
Abstract
Background The Kallikrein-Kinin System (KKS) has been found to play a role in tumor progression in several cancers. The KKS metabolic cascade depends on signalling through two cross talking receptors; bradykinin receptor 1 (B1R) and bradykinin receptor 2 (B2R). Activation of the Kinin receptor is responsible for multiple pathophysiologic functions including increase of vascular permeability and induction of host inflammatory responses that exert diverse effects on tumor growth. Methods B1R and B2R expression on mouse and human CRC cell lines was investigated. Changes in tumor growth and progression was assessed in male CBA mice bearing colorectal liver metastases (CRLM) following treatment with B1R or B2R blockers. In vitro cultures of human SW-480 and mouse colorectal cancer (MoCR) cell lines were examined for changes in their proliferation and migration properties following treatment with B1R or B2R blockers. Results Both colorectal cancer cell lines tested strongly positive for B1R and B2R expression. Inhibition of both receptors retarded tumor growth but only B1R blockade significantly reduced tumor load and increased tumor apoptosis. Blockade of either receptor reduced tumor vascularization in vivo and significantly inhibited proliferation and migration of colorectal cancer cells in vitro. Conclusion Taken together, the present study demonstrated that kinin receptor blockade inhibited tumor growth and reduced its invading properties suggesting that KKS manipulation could be a novel target in colorectal cancer therapy. Electronic supplementary material The online version of this article (10.1186/s12885-018-4260-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Patricia Luiza Nunes da Costa
- Department of Surgery, University of Melbourne, Austin Health, Lance Townsend Building Level 8, Studley Rd, Heidelberg, VIC, 3084, Australia.,Laboratório de Oncologia Experimental, Faculdade de Medicina da Universidade de São Paulo and Instituto do Câncer do Estado de São Paulo, São Paulo, Brazil
| | - David Wynne
- Department of Surgery, University of Melbourne, Austin Health, Lance Townsend Building Level 8, Studley Rd, Heidelberg, VIC, 3084, Australia
| | - Theodora Fifis
- Department of Surgery, University of Melbourne, Austin Health, Lance Townsend Building Level 8, Studley Rd, Heidelberg, VIC, 3084, Australia.
| | - Linh Nguyen
- Department of Surgery, University of Melbourne, Austin Health, Lance Townsend Building Level 8, Studley Rd, Heidelberg, VIC, 3084, Australia
| | - Marcos Perini
- Department of Surgery, University of Melbourne, Austin Health, Lance Townsend Building Level 8, Studley Rd, Heidelberg, VIC, 3084, Australia
| | - Christopher Christophi
- Department of Surgery, University of Melbourne, Austin Health, Lance Townsend Building Level 8, Studley Rd, Heidelberg, VIC, 3084, Australia
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Igić R. Four decades of ocular renin-angiotensin and kallikrein-kinin systems (1977–2017). Exp Eye Res 2018; 166:74-83. [DOI: 10.1016/j.exer.2017.05.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 05/09/2017] [Accepted: 05/20/2017] [Indexed: 12/31/2022]
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Guillén-Gómez E, Bardají-de-Quixano B, Ferrer S, Brotons C, Knepper MA, Carrascal M, Abian J, Mas JM, Calero F, Ballarín JA, Fernández-Llama P. Urinary Proteome Analysis Identified Neprilysin and VCAM as Proteins Involved in Diabetic Nephropathy. J Diabetes Res 2018; 2018:6165303. [PMID: 29854824 PMCID: PMC5949160 DOI: 10.1155/2018/6165303] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 02/12/2018] [Accepted: 04/04/2018] [Indexed: 01/13/2023] Open
Abstract
Urinary proteome was analyzed and quantified by tandem mass tag (TMT) labeling followed by bioinformatics analysis to study diabetic nephropathy (DN) pathophysiology and to identify biomarkers of a clinical outcome. We included type 2 diabetic normotensive non-obese males with (n = 9) and without (n = 11) incipient DN (microalbuminuria). Sample collection included blood and urine at baseline (control and DN basal) and, in DN patients, after 3 months of losartan treatment (DN treated). Urinary proteome analysis identified 166 differentially abundant proteins between controls and DN patients, 27 comparing DN-treated and DN-basal patients, and 182 between DN-treated patients and controls. The mathematical modeling analysis predicted 80 key proteins involved in DN pathophysiology and 15 in losartan effect, a total of 95 proteins. Out of these 95, 7 are involved in both processes. VCAM-1 and neprilysin stand out of these 7 for being differentially expressed in the urinary proteome. We observed an increase of VCAM-1 urine levels in DN-basal patients compared to diabetic controls and an increase of urinary neprilysin in DN-treated patients with persistent albuminuria; the latter was confirmed by ELISA. Our results point to neprilysin and VCAM-1 as potential candidates in DN pathology and treatment.
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Affiliation(s)
- Elena Guillén-Gómez
- Molecular Biology Laboratory, Fundació Puigvert, Barcelona, Spain
- Universitat Autònoma de Barcelona, Institut d'Investigació Biomèdica Sant Pau (IIB Sant Pau), Barcelona, Spain
| | - Beatriz Bardají-de-Quixano
- Universitat Autònoma de Barcelona, Institut d'Investigació Biomèdica Sant Pau (IIB Sant Pau), Barcelona, Spain
- Renal Transplantation Unit, Nephrology Department, Fundació Puigvert, Barcelona, Spain
| | - Sílvia Ferrer
- Maragall Primary Health Care Center, Barcelona, Spain
| | - Carlos Brotons
- Universitat Autònoma de Barcelona, Institut d'Investigació Biomèdica Sant Pau (IIB Sant Pau), Barcelona, Spain
- Sardenya Primary Health Care Center, Barcelona, Spain
| | - Mark A. Knepper
- Epithelial Systems Biology Laboratory, National Heart, Lung, and Blood Institute (NIH), Bethesda, MD, USA
| | - Montserrat Carrascal
- Proteomics Laboratory CSIC/UAB, Institut d'Investigacions Biomèdiques de Barcelona (IIBB-CSIC-IDIBAPS), Barcelona, Spain
| | - Joaquin Abian
- Proteomics Laboratory CSIC/UAB, Institut d'Investigacions Biomèdiques de Barcelona (IIBB-CSIC-IDIBAPS), Barcelona, Spain
| | | | - Francesca Calero
- Universitat Autònoma de Barcelona, Institut d'Investigació Biomèdica Sant Pau (IIB Sant Pau), Barcelona, Spain
- Hypertension Unit, Nephrology Department, Fundació Puigvert, Barcelona, Spain
| | - José A. Ballarín
- Universitat Autònoma de Barcelona, Institut d'Investigació Biomèdica Sant Pau (IIB Sant Pau), Barcelona, Spain
- Hypertension Unit, Nephrology Department, Fundació Puigvert, Barcelona, Spain
| | - Patricia Fernández-Llama
- Universitat Autònoma de Barcelona, Institut d'Investigació Biomèdica Sant Pau (IIB Sant Pau), Barcelona, Spain
- Hypertension Unit, Nephrology Department, Fundació Puigvert, Barcelona, Spain
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Michaelis M, Sobczak A, Koczan D, Langhammer M, Reinsch N, Schoen J, Weitzel JM. Selection for female traits of high fertility affects male reproductive performance and alters the testicular transcriptional profile. BMC Genomics 2017; 18:889. [PMID: 29157197 PMCID: PMC5697431 DOI: 10.1186/s12864-017-4288-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 11/08/2017] [Indexed: 02/08/2023] Open
Abstract
Background Many genes important for reproductive performance are shared by both sexes. However, fecundity indices are primarily based on female parameters such as litter size. We examined a fertility mouse line (FL2), which has a considerably increased number of offspring and a total litter weight of 180% compared to a randomly bred control line (Ctrl) after more than 170 generations of breeding. In the present study, we investigated whether there might be a parallel evolution in males after more than 40 years of breeding in this outbred mouse model. Results Males of the fertility mouse line FL2 showed reduced sperm motility performance in a 5 h thermal stress experiment and reduced birth rate in the outbred mouse line. Transcriptional analysis of the FL2 testis showed the differential expression of genes associated with steroid metabolic processes (Cyp1b1, Cyp19a1, Hsd3b6, and Cyp21a1) and female fecundity (Gdf9), accompanied by 150% elevated serum progesterone levels in the FL2 males. Cluster analysis revealed the downregulation of genes of the kallikrein-related peptidases (KLK) cluster located on chromosome 7 in addition to alterations in gene expression with serine peptidase activity, e.g., angiotensinogen (Agt), of the renin-angiotensin system essential for ovulation. Although a majority of functional annotations map to female reproduction and ovulation, these genes are differentially expressed in FL2 testis. Conclusions These data indicate that selection for primary female traits of increased litter size not only affects sperm characteristics but also manifests as transcriptional alterations of the male side likely with direct long-term consequences for the reproductive performance of the mouse line. Electronic supplementary material The online version of this article (10.1186/s12864-017-4288-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Marten Michaelis
- Institute of Reproductive Biology, University of Rostock, Rostock, Germany. .,Leibniz Institute for Farm Animal Biology (FBN), Institute of Reproductive Biology, FBN Dummerstorf, Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany.
| | - Alexander Sobczak
- Institute of Reproductive Biology, University of Rostock, Rostock, Germany
| | - Dirk Koczan
- Institute of Immunology, University of Rostock, Rostock, Germany
| | - Martina Langhammer
- Institute of Genetics and Biometry, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
| | - Norbert Reinsch
- Institute of Genetics and Biometry, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
| | - Jennifer Schoen
- Institute of Reproductive Biology, University of Rostock, Rostock, Germany
| | - Joachim M Weitzel
- Institute of Reproductive Biology, University of Rostock, Rostock, Germany. .,Leibniz Institute for Farm Animal Biology (FBN), Institute of Reproductive Biology, FBN Dummerstorf, Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany.
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Graham TH. Prolylcarboxypeptidase (PrCP) inhibitors and the therapeutic uses thereof: a patent review. Expert Opin Ther Pat 2017; 27:1077-1088. [PMID: 28699813 DOI: 10.1080/13543776.2017.1349104] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION Prolylcarboxypeptidase (PrCP) is a serine protease that produces or degrades signaling proteins in several important pathways including the renin-angiotensin system (RAS), kallikrein-kinin system (KKS) and pro-opiomelanocortin (POMC) system. PrCP has the potential to be a therapeutic target for cardiovascular, inflammatory and metabolic diseases. Numerous classes of PrCP inhibitors have been developed by rational drug design and from high-throughput screening hits. These inhibitors have been tested in mouse models to assess their potential as new therapeutics. Areas Covered: This review covers the relevant studies that support PrCP as a target for drug discovery. All the significant patent applications and primary literature concerning the development of PrCP inhibitors are discussed. Expert Opinion: The pathways where PrCP is known to operate are complex and many aspects remain to be characterized. Many potent inhibitors of PrCP have been tested in vivo. The variable results obtained from in vivo studies with PrCP inhibitors suggest that additional understanding of the biochemistry and the required therapeutic inhibitor levels is necessary. Additional fundamental research into the signaling pathways is likely required before the true therapeutic potential of PrCP inhibition will be realized.
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Affiliation(s)
- Thomas H Graham
- a Merck Research Laboratories , Merck & Co., Inc ., Kenilworth , NJ , USA
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Yang X, Orgah J, Wang D, Fan G, Jingyang H, Han J, Qin G, Gao X, Zhu Y. Danhong injection reduces vascular remodeling and up-regulates the Kallikrein-kinin system in spontaneously hypertensive rats. Sci Rep 2017; 7:4308. [PMID: 28655904 PMCID: PMC5487322 DOI: 10.1038/s41598-017-04661-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 05/17/2017] [Indexed: 12/16/2022] Open
Abstract
Although Danhong injection (DHI) is one of the most prescribed cardiovascular medicines in China, its therapeutic indications and mechanisms remain partially defined. We now identify molecular targets of DHI in resistance vasculatures and demonstrate its role in vascular function and blood pressure (BP) regulation. BP was determined in DHI, Losartan, and placebo- treated Spontaneously Hypertensive Rats (SHR) by both noninvasive and invasive measurements. Vasorelaxation was examined both in conduit and resistance vasculature by ex vivo aortic rings. Microarray analysis was performed and gene expression changes were verified by RT-qPCR and ELISA. Diastolic, systolic and mean BPs were significantly lower in DHI-treated SHR than controls by both tail-cuff and invasive BP measurements. In ex vivo rings, aortic and mesenteric vessels from SHR treated with DHI exhibited significantly greater acetylcholine-mediated relaxation. Among the 282 genes that are differentially expressed in microarray analysis, DHI treatment up-regulated the expression of kallikrein and plasma kallikrein B genes. DHI also significantly increased serum kallikrein content in SHR. Treatment with DHI significantly increased the ratio of aortic lumen to outer diameter. Therefore, the reduction of vascular remodeling and the up-regulation of Kallikrein-kinin system contribute, at least in part, to the antihypertensive effect of DHI in SHR.
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Affiliation(s)
- Xiaohu Yang
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin, 300193, P. R. China.,Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology & Medicine, 220 Dongting Road, TEDA, Tianjin, 300457, P. R. China.,Department of Pharmacy, Zhejiang Hospital, 12 Lingyin Road, Xihu District, Hangzhou, Zhejiang, 310013, P. R. China
| | - John Orgah
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin, 300193, P. R. China.,Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology & Medicine, 220 Dongting Road, TEDA, Tianjin, 300457, P. R. China
| | - Dandan Wang
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin, 300193, P. R. China.,Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology & Medicine, 220 Dongting Road, TEDA, Tianjin, 300457, P. R. China
| | - Guanwei Fan
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin, 300193, P. R. China.,Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology & Medicine, 220 Dongting Road, TEDA, Tianjin, 300457, P. R. China
| | - Hu Jingyang
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin, 300193, P. R. China.,Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology & Medicine, 220 Dongting Road, TEDA, Tianjin, 300457, P. R. China
| | - Jihong Han
- College of Life Sciences, Nankai University, Tianjin, 300193, P. R. China
| | - Gangjian Qin
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin, 300193, P. R. China.,Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology & Medicine, 220 Dongting Road, TEDA, Tianjin, 300457, P. R. China.,Feinberg Cardiovascular Research Institute, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Xiumei Gao
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin, 300193, P. R. China
| | - Yan Zhu
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin, 300193, P. R. China. .,Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology & Medicine, 220 Dongting Road, TEDA, Tianjin, 300457, P. R. China. .,Molecular Cardiology Research Institute, Tufts Medical Center, 750 Washington St, Boston, MA, 02111, USA.
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Affiliation(s)
- Francesca L. Ware
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, Leicester LE12 5RD, UK
| | - Martin R. Luck
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, Leicester LE12 5RD, UK
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Rukavina Mikusic NL, Kouyoumdzian NM, Rouvier E, Gironacci MM, Toblli JE, Fernández BE, Choi MR. Regulation of Dopamine Uptake by Vasoactive Peptides in the Kidney. SCIENTIFICA 2016; 2016:6302376. [PMID: 27635280 PMCID: PMC5011208 DOI: 10.1155/2016/6302376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 06/19/2016] [Accepted: 07/03/2016] [Indexed: 06/06/2023]
Abstract
Considering the key role of renal dopamine in tubular sodium handling, we hypothesized that c-type natriuretic peptide (CNP) and Ang-(1-7) may regulate renal dopamine availability in tubular cells, contributing to Na(+), K(+)-ATPase inhibition. Present results show that CNP did not affect either (3)H-dopamine uptake in renal tissue or Na(+), K(+)-ATPase activity; meanwhile, Ang-(1-7) was able to increase (3)H-dopamine uptake and decreased Na(+), K(+)-ATPase activity in renal cortex. Ang-(1-7) and dopamine together decreased further Na(+), K(+)-ATPase activity showing an additive effect on the sodium pump. In addition, hydrocortisone reversed Ang-(1-7)-dopamine overinhibition on the enzyme, suggesting that this inhibition is closely related to Ang-(1-7) stimulation on renal dopamine uptake. Both anantin and cANP (4-23-amide) did not modify CNP effects on (3)H-dopamine uptake by tubular cells. The Mas receptor antagonist, A-779, blocked the increase elicited by Ang-(1-7) on (3)H-dopamine uptake. The stimulatory uptake induced by Ang-(1-7) was even more pronounced in the presence of losartan, suggesting an inhibitory effect of Ang-(1-7) on AT1 receptors on (3)H-dopamine uptake. By increasing dopamine bioavailability in tubular cells, Ang-(1-7) enhances Na(+), K(+)-ATPase activity inhibition, contributing to its natriuretic and diuretic effects.
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Affiliation(s)
- N. L. Rukavina Mikusic
- Instituto de Investigaciones Cardiológicas ININCA, UBA-CONICET, Facultad de Farmacia y Bioquímica, UBA, Buenos Aires, Argentina
| | - N. M. Kouyoumdzian
- Instituto de Investigaciones Cardiológicas ININCA, UBA-CONICET, Facultad de Farmacia y Bioquímica, UBA, Buenos Aires, Argentina
| | - E. Rouvier
- Instituto de Investigaciones Cardiológicas ININCA, UBA-CONICET, Facultad de Farmacia y Bioquímica, UBA, Buenos Aires, Argentina
- Cátedras de Anatomía e Histología, Facultad de Farmacia y Bioquímica, UBA, Buenos Aires, Argentina
| | - M. M. Gironacci
- Cátedras de Química Biológica, Facultad de Farmacia y Bioquímica, UBA, Buenos Aires, Argentina
| | - J. E. Toblli
- Instituto de Investigaciones Cardiológicas ININCA, UBA-CONICET, Facultad de Farmacia y Bioquímica, UBA, Buenos Aires, Argentina
- Laboratorio de Medicina Experimental, Hospital Alemán, Buenos Aires, Argentina
| | - B. E. Fernández
- Instituto de Investigaciones Cardiológicas ININCA, UBA-CONICET, Facultad de Farmacia y Bioquímica, UBA, Buenos Aires, Argentina
| | - M. R. Choi
- Instituto de Investigaciones Cardiológicas ININCA, UBA-CONICET, Facultad de Farmacia y Bioquímica, UBA, Buenos Aires, Argentina
- Cátedras de Anatomía e Histología, Facultad de Farmacia y Bioquímica, UBA, Buenos Aires, Argentina
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Cerrato BD, Carretero OA, Janic B, Grecco HE, Gironacci MM. Heteromerization Between the Bradykinin B2 Receptor and the Angiotensin-(1-7) Mas Receptor: Functional Consequences. Hypertension 2016; 68:1039-48. [PMID: 27550920 DOI: 10.1161/hypertensionaha.116.07874] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 07/26/2016] [Indexed: 12/20/2022]
Abstract
Bradykinin B2 receptor (B2R) and angiotensin-(1-7) Mas receptor (MasR)-mediated effects are physiologically interconnected. The molecular basis for such cross talk is unknown. It is hypothesized that the cross talk occurs at the receptor level. We investigated B2R-MasR heteromerization and the functional consequences of such interaction. B2R fused to the cyan fluorescent protein and MasR fused to the yellow fluorescent protein were transiently coexpressed in human embryonic kidney293T cells. Fluorescence resonance energy transfer analysis showed that B2R and MasR formed a constitutive heteromer, which was not modified by their agonists. B2R or MasR antagonists decreased fluorescence resonance energy transfer efficiency, suggesting that the antagonist promoted heteromer dissociation. B2R-MasR heteromerization induced an 8-fold increase in the MasR ligand-binding affinity. On agonist stimulation, the heteromer was internalized into early endosomes with a slower sequestration rate from the plasma membrane, compared with single receptors. B2R-MasR heteromerization induced a greater increase in arachidonic acid release and extracellular signal-regulated kinase phosphorylation after angiotensin-(1-7) stimulation, and this effect was blocked by the B2R antagonist. Concerning serine/threonine kinase Akt activity, a significant bradykinin-promoted activation was detected in B2R-MasR but not in B2R-expressing cells. Angiotensin-(1-7) and bradykinin elicited antiproliferative effects only in cells expressing B2R-MasR heteromers, but not in cells expressing each receptor alone. Proximity ligation assay confirmed B2R-MasR interaction in human glomerular endothelial cells supporting the interaction between both receptors in vivo. Our findings provide an explanation for the cross talk between bradykinin B2R and angiotensin-(1-7) MasR-mediated effects. B2R-MasR heteromerization induces functional changes in the receptor that may lead to long-lasting protective properties.
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Affiliation(s)
- Bruno D Cerrato
- From the Departamento de Química Biológica, IQUIFIB-CONICET, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina (B.D.C., M.M.G.); Hypertension and Vascular Research Division, Henry Ford Hospital, Detroit, MI (O.A.C., B.J.); and Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires and IFIBA-CONICET, Argentina (H.E.G)
| | - Oscar A Carretero
- From the Departamento de Química Biológica, IQUIFIB-CONICET, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina (B.D.C., M.M.G.); Hypertension and Vascular Research Division, Henry Ford Hospital, Detroit, MI (O.A.C., B.J.); and Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires and IFIBA-CONICET, Argentina (H.E.G)
| | - Brana Janic
- From the Departamento de Química Biológica, IQUIFIB-CONICET, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina (B.D.C., M.M.G.); Hypertension and Vascular Research Division, Henry Ford Hospital, Detroit, MI (O.A.C., B.J.); and Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires and IFIBA-CONICET, Argentina (H.E.G)
| | - Hernán E Grecco
- From the Departamento de Química Biológica, IQUIFIB-CONICET, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina (B.D.C., M.M.G.); Hypertension and Vascular Research Division, Henry Ford Hospital, Detroit, MI (O.A.C., B.J.); and Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires and IFIBA-CONICET, Argentina (H.E.G)
| | - Mariela M Gironacci
- From the Departamento de Química Biológica, IQUIFIB-CONICET, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina (B.D.C., M.M.G.); Hypertension and Vascular Research Division, Henry Ford Hospital, Detroit, MI (O.A.C., B.J.); and Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires and IFIBA-CONICET, Argentina (H.E.G).
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Wołkow PP, Bujak-Giżycka B, Jawień J, Olszanecki R, Madej J, Rutowski J, Korbut R. Perindoprilat changes ANG (1-9) production in renal arteries isolated from young spontaneously hypertensive rats after ANG I incubation. Physiol Res 2016; 65:561-570. [PMID: 26988149 DOI: 10.33549/physiolres.933015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
We used mass spectrometry to quantitate production of angiotensinogen metabolites in renal artery of 3- and 7-month-old Wistar-Kyoto (WKY) and Spontaneously Hypertensive Rats (SHR). Tissue fragments were incubated for 15 min in oxygenated buffer, with added angiotensin I. Concentrations of angiotensins I (ANG I), II (ANG II), III (ANG III), IV (ANG IV), angiotensin (1-9) [ANG (1-9)], angiotensin (1-7) [ANG (1-7)], and angiotensin (1-5) [ANG (1-5)], excreted into the buffer during experiment, were measured using liquid chromatography-mass spectrometry (LC/MS) and expressed per mg of dry tissue. Effects of pretreatment with 10 microM perindoprilat on the production of ANG I metabolites were quantitated. Background production of any of ANG I metabolites differed neither between WKY and SHR rats nor between 3- and 7-month-old rats. Perindoprilat pretreatment of renal arteries resulted, as expected, in decrease of ANG II production. However, renal arteries of 7-month-old SHR rats were resistant to ACE inhibitor and did not change ANG II production in response to perindoprilat. In renal arteries, taken from 3-month-old rats, pretreated with perindoprilat, incubation with ANG I, resulted in the level of ANG (1-9) significantly higher in SHR than WKY rats. Our conclusion is that in SHR rats, sensitivity of renal artery ACE to perindoprilat inhibition changes with age.
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Affiliation(s)
- P P Wołkow
- Department of Pharmacology, Jagiellonian University Medical College, Kraków, Poland.
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Su JB. Vascular endothelial dysfunction and pharmacological treatment. World J Cardiol 2015; 7:719-741. [PMID: 26635921 PMCID: PMC4660468 DOI: 10.4330/wjc.v7.i11.719] [Citation(s) in RCA: 127] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Revised: 06/23/2015] [Accepted: 09/18/2015] [Indexed: 02/06/2023] Open
Abstract
The endothelium exerts multiple actions involving regulation of vascular permeability and tone, coagulation and fibrinolysis, inflammatory and immunological reactions and cell growth. Alterations of one or more such actions may cause vascular endothelial dysfunction. Different risk factors such as hypercholesterolemia, homocystinemia, hyperglycemia, hypertension, smoking, inflammation, and aging contribute to the development of endothelial dysfunction. Mechanisms underlying endothelial dysfunction are multiple, including impaired endothelium-derived vasodilators, enhanced endothelium-derived vasoconstrictors, over production of reactive oxygen species and reactive nitrogen species, activation of inflammatory and immune reactions, and imbalance of coagulation and fibrinolysis. Endothelial dysfunction occurs in many cardiovascular diseases, which involves different mechanisms, depending on specific risk factors affecting the disease. Among these mechanisms, a reduction in nitric oxide (NO) bioavailability plays a central role in the development of endothelial dysfunction because NO exerts diverse physiological actions, including vasodilation, anti-inflammation, antiplatelet, antiproliferation and antimigration. Experimental and clinical studies have demonstrated that a variety of currently used or investigational drugs, such as angiotensin-converting enzyme inhibitors, angiotensin AT1 receptors blockers, angiotensin-(1-7), antioxidants, beta-blockers, calcium channel blockers, endothelial NO synthase enhancers, phosphodiesterase 5 inhibitors, sphingosine-1-phosphate and statins, exert endothelial protective effects. Due to the difference in mechanisms of action, these drugs need to be used according to specific mechanisms underlying endothelial dysfunction of the disease.
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Gryshchenko O, Gerasimenko JV, Gerasimenko OV, Petersen OH. Ca(2+) signals mediated by bradykinin type 2 receptors in normal pancreatic stellate cells can be inhibited by specific Ca(2+) channel blockade. J Physiol 2015; 594:281-93. [PMID: 26442817 PMCID: PMC4713750 DOI: 10.1113/jp271468] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 09/30/2015] [Indexed: 01/05/2023] Open
Abstract
KEY POINTS Bradykinin may play a role in the autodigestive disease acute pancreatitis, but little is known about its pancreatic actions. In this study, we have investigated bradykinin-elicited Ca(2+) signal generation in normal mouse pancreatic lobules. We found complete separation of Ca(2+) signalling between pancreatic acinar (PACs) and stellate cells (PSCs). Pathophysiologically relevant bradykinin concentrations consistently evoked Ca(2+) signals, via B2 receptors, in PSCs but never in neighbouring PACs, whereas cholecystokinin, consistently evoking Ca(2+) signals in PACs, never elicited Ca(2+) signals in PSCs. The bradykinin-elicited Ca(2+) signals were due to initial Ca(2+) release from inositol trisphosphate-sensitive stores followed by Ca(2+) entry through Ca(2+) release-activated channels (CRACs). The Ca(2+) entry phase was effectively inhibited by a CRAC blocker. B2 receptor blockade reduced the extent of PAC necrosis evoked by pancreatitis-promoting agents and we therefore conclude that bradykinin plays a role in acute pancreatitis via specific actions on PSCs. ABSTRACT Normal pancreatic stellate cells (PSCs) are regarded as quiescent, only to become activated in chronic pancreatitis and pancreatic cancer. However, we now report that these cells in their normal microenvironment are far from quiescent, but are capable of generating substantial Ca(2+) signals. We have compared Ca(2+) signalling in PSCs and their better studied neighbouring acinar cells (PACs) and found complete separation of Ca(2+) signalling in even closely neighbouring PACs and PSCs. Bradykinin (BK), at concentrations corresponding to the slightly elevated plasma BK levels that have been shown to occur in the auto-digestive disease acute pancreatitis in vivo, consistently elicited substantial Ca(2+) signals in PSCs, but never in neighbouring PACs, whereas the physiological PAC stimulant cholecystokinin failed to evoke Ca(2+) signals in PSCs. The BK-induced Ca(2+) signals were mediated by B2 receptors and B2 receptor blockade protected against PAC necrosis evoked by agents causing acute pancreatitis. The initial Ca(2+) rise in PSCs was due to inositol trisphosphate receptor-mediated release from internal stores, whereas the sustained phase depended on external Ca(2+) entry through Ca(2+) release-activated Ca(2+) (CRAC) channels. CRAC channel inhibitors, which have been shown to protect PACs against damage caused by agents inducing pancreatitis, therefore also inhibit Ca(2+) signal generation in PSCs and this may be helpful in treating acute pancreatitis.
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Affiliation(s)
- Oleksiy Gryshchenko
- Medical Research Council Group, Cardiff School of Biosciences, Cardiff University, Cardiff, CF10 3AX, Wales, UK.,Bogomoletz Institute of Physiology, Kiev, 01024, Ukraine
| | - Julia V Gerasimenko
- Medical Research Council Group, Cardiff School of Biosciences, Cardiff University, Cardiff, CF10 3AX, Wales, UK
| | - Oleg V Gerasimenko
- Medical Research Council Group, Cardiff School of Biosciences, Cardiff University, Cardiff, CF10 3AX, Wales, UK
| | - Ole H Petersen
- Medical Research Council Group, Cardiff School of Biosciences, Cardiff University, Cardiff, CF10 3AX, Wales, UK
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Karnik SS, Unal H, Kemp JR, Tirupula KC, Eguchi S, Vanderheyden PML, Thomas WG. International Union of Basic and Clinical Pharmacology. XCIX. Angiotensin Receptors: Interpreters of Pathophysiological Angiotensinergic Stimuli [corrected]. Pharmacol Rev 2015; 67:754-819. [PMID: 26315714 PMCID: PMC4630565 DOI: 10.1124/pr.114.010454] [Citation(s) in RCA: 207] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The renin angiotensin system (RAS) produced hormone peptides regulate many vital body functions. Dysfunctional signaling by receptors for RAS peptides leads to pathologic states. Nearly half of humanity today would likely benefit from modern drugs targeting these receptors. The receptors for RAS peptides consist of three G-protein-coupled receptors—the angiotensin II type 1 receptor (AT1 receptor), the angiotensin II type 2 receptor (AT2 receptor), the MAS receptor—and a type II trans-membrane zinc protein—the candidate angiotensin IV receptor (AngIV binding site). The prorenin receptor is a relatively new contender for consideration, but is not included here because the role of prorenin receptor as an independent endocrine mediator is presently unclear. The full spectrum of biologic characteristics of these receptors is still evolving, but there is evidence establishing unique roles of each receptor in cardiovascular, hemodynamic, neurologic, renal, and endothelial functions, as well as in cell proliferation, survival, matrix-cell interaction, and inflammation. Therapeutic agents targeted to these receptors are either in active use in clinical intervention of major common diseases or under evaluation for repurposing in many other disorders. Broad-spectrum influence these receptors produce in complex pathophysiological context in our body highlights their role as precise interpreters of distinctive angiotensinergic peptide cues. This review article summarizes findings published in the last 15 years on the structure, pharmacology, signaling, physiology, and disease states related to angiotensin receptors. We also discuss the challenges the pharmacologist presently faces in formally accepting newer members as established angiotensin receptors and emphasize necessary future developments.
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Affiliation(s)
- Sadashiva S Karnik
- Department of Molecular Cardiology, Lerner Research Institute of Cleveland Clinic, Cleveland, Ohio (S.S.K., H.U., J.R.K., K.C.T.); Cardiovascular Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania (S.E.); Faculty of Sciences and Bioengineering Sciences, Vrije Universiteit Brussel, Brussels, Belgium (P.M.L.V.); and Department of General Physiology, School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia (W.G.T.)
| | - Hamiyet Unal
- Department of Molecular Cardiology, Lerner Research Institute of Cleveland Clinic, Cleveland, Ohio (S.S.K., H.U., J.R.K., K.C.T.); Cardiovascular Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania (S.E.); Faculty of Sciences and Bioengineering Sciences, Vrije Universiteit Brussel, Brussels, Belgium (P.M.L.V.); and Department of General Physiology, School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia (W.G.T.)
| | - Jacqueline R Kemp
- Department of Molecular Cardiology, Lerner Research Institute of Cleveland Clinic, Cleveland, Ohio (S.S.K., H.U., J.R.K., K.C.T.); Cardiovascular Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania (S.E.); Faculty of Sciences and Bioengineering Sciences, Vrije Universiteit Brussel, Brussels, Belgium (P.M.L.V.); and Department of General Physiology, School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia (W.G.T.)
| | - Kalyan C Tirupula
- Department of Molecular Cardiology, Lerner Research Institute of Cleveland Clinic, Cleveland, Ohio (S.S.K., H.U., J.R.K., K.C.T.); Cardiovascular Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania (S.E.); Faculty of Sciences and Bioengineering Sciences, Vrije Universiteit Brussel, Brussels, Belgium (P.M.L.V.); and Department of General Physiology, School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia (W.G.T.)
| | - Satoru Eguchi
- Department of Molecular Cardiology, Lerner Research Institute of Cleveland Clinic, Cleveland, Ohio (S.S.K., H.U., J.R.K., K.C.T.); Cardiovascular Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania (S.E.); Faculty of Sciences and Bioengineering Sciences, Vrije Universiteit Brussel, Brussels, Belgium (P.M.L.V.); and Department of General Physiology, School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia (W.G.T.)
| | - Patrick M L Vanderheyden
- Department of Molecular Cardiology, Lerner Research Institute of Cleveland Clinic, Cleveland, Ohio (S.S.K., H.U., J.R.K., K.C.T.); Cardiovascular Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania (S.E.); Faculty of Sciences and Bioengineering Sciences, Vrije Universiteit Brussel, Brussels, Belgium (P.M.L.V.); and Department of General Physiology, School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia (W.G.T.)
| | - Walter G Thomas
- Department of Molecular Cardiology, Lerner Research Institute of Cleveland Clinic, Cleveland, Ohio (S.S.K., H.U., J.R.K., K.C.T.); Cardiovascular Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania (S.E.); Faculty of Sciences and Bioengineering Sciences, Vrije Universiteit Brussel, Brussels, Belgium (P.M.L.V.); and Department of General Physiology, School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia (W.G.T.)
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