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https://www.readbyqxmd.com/read/29112487/pharmacotherapy-for-angiotensin-converting-enzyme-inhibitor-induced-angioedema-a-systematic-review
#1
Claire M Lawlor, Ashwin Ananth, Blair M Barton, Thomas C Flowers, Edward D McCoul
Objective Angioedema is a potentially life-threatening complication of angiotensin-converting enzyme inhibitor (ACEI) use, occurring in up to 0.5% of users. Although the pathophysiology of ACEI-induced angioedema is attributable to elevated serum bradykinin, standard management typically includes corticosteroids and antihistamines. We sought to summarize the evidence supporting pharmacotherapy for ACEI-induced angioedema. Data Sources PubMed, MEDLINE, and Embase portals. Methods A systematic literature review was conducted according to the PRISMA guidelines...
November 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29098020/renin-angiotensin-system-deregulation-as-renal-cancer-risk-factor
#2
Paweł Sobczuk, Cezary Szczylik, Camillo Porta, Anna M Czarnecka
For numerous years, the non-cardiovascular role of the renin-angiotensin system (RAS) was underestimated, but recent studies have advanced the understanding of its function in various processes, including carcinogenesis. Numerous evidence comes from preclinical and clinical studies on the use of antihypertensive agents targeting the RAS, including angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers. It has been demonstrated that the use of ACEIs can alter the incidence of renal cell carcinoma (RCC) and may have a positive effect by prolonging patient survival...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29089149/oxidative-stress-in-the-optic-nerve-and-cortical-visual-area-of-steptozotocin-induced-diabetic-wistar-rats-blockade-with-a-selective-bradykinin-b1-receptor-antagonist
#3
Orlando L Catanzaro, Jorgelina Aira Capponi, Irene Di Martino, Emilio S Labal, Pierre Sirois
The role of bradykinin B1 receptors on the oxidative stress as measured by the levels of Na+/K+ ATPase activity, malondialdehyde (MDA) and glutathione (GSH) in male Wistar rat optic nerve and visual cortex area 1 and 4weeks after STZ treatment was studied. Rats were divided into 4 groups (n=6-7): 1. Controls (non-diabetics); 2. Diabetics (65mg/kg streptozotocin, STZ); 3. Diabetics injected with B1 antagonist R-954 (2mg/Kg) during the last 3days of a one week period; 4. Diabetics injected with B1 antagonist R-954 (2mg/Kg) during the last 3days of a 4week period...
October 28, 2017: Neuropeptides
https://www.readbyqxmd.com/read/29071111/impact-of-pioglitazone-and-bradykinin-type-1-receptor-antagonist-on-type-2-diabetes-in-high-fat-diet-fed-c57bl-6j-mice
#4
S El Akoum, Y Haddad, R Couture
AIM: Type 2 diabetes (T2D) is a major complication of obesity and a leading cause of morbidity and mortality. Antagonizing bradykinin type 1 receptor (B1R) improved body and tissue fat mass and reversed vascular and adipose tissue inflammation in a rat model of insulin resistance. This study aimed at evaluating further the role of B1R in a mouse model of T2D by comparing the antidiabetic and anti-inflammatory effects of the B1R antagonist SSR240612 (SSR) in adipose tissue with those of pioglitazone (TZD), an activator of peroxisome proliferator-activated receptor gamma...
September 2017: Obesity Science & Practice
https://www.readbyqxmd.com/read/29038201/kinin-b1-receptor-promotes-neurogenic-hypertension-through-activation-of-centrally-mediated-mechanisms
#5
Srinivas Sriramula, Eric Lazartigues
Hypertension is associated with increased activity of the kallikrein-kinin system. Kinin B1 receptor (B1R) activation leads to vasoconstriction and inflammation. Despite evidence supporting a role for the B1R in blood pressure regulation, the mechanisms by which B1R could alter autonomic function and participate in the pathogenesis of hypertension remain unidentified. We sought to explore whether B1R-mediated inflammation contributes to hypertension and investigate the molecular mechanisms involved. In this study, we tested the hypothesis that activation of B1R in the brain is involved in the pathogenesis of hypertension, using the deoxycorticosterone acetate-salt model of neurogenic hypertension in wild-type and B1R knockout mice...
December 2017: Hypertension
https://www.readbyqxmd.com/read/29034546/bradykinin-system-is-involved-in-endometriosis-related-pain-through-endothelin-1-production
#6
O Yoshino, K Yamada-Nomoto, M Kobayashi, T Andoh, M Hongo, Y Ono, A Hasegawa-Idemitsu, A Sakai, Y Osuga, S Saito
BACKGROUND: Endometriosis is a gynaecological disease exhibiting severe pelvic pain, but the mechanism of pain production remains unknown. Bradykinin (BK) is known as an inflammatory mediator, and shows elevated levels in inflammatory diseases such as rheumatoid arthritis. In the present study, we evaluated whether BK is involved in endometriosis-related pain. METHODS: Endometriotic lesions were used for immunohistochemistry. Primary cultures of endometriotic stromal cells (ESC) were stimulated with IL-1β and/or BK...
October 16, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28994183/angiotensin-converting-enzyme-inhibitor-induced-angioedema-a-review-of-the-literature
#7
REVIEW
Teresa Brown, Jimmy Gonzalez, Catherine Monteleone
According to the National Health and Nutrition Examination Survey 2012, one third of antihypertensive prescriptions in the United States in the past decade were for angiotensin-converting enzyme inhibitors (ACEIs). An important and serious side effect of ACEIs is angioedema caused by a reduction in bradykinin degradation. In a national medical chart abstraction study conducted at the US Veterans Affairs Health Care System in 2008, 0.20% of ACEI initiators developed angioedema while on the medication. The angiotensin-converting enzyme is a part of the renin-angiotensin system that converts angiotensin I to angiotensin II...
October 10, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28951360/-spinal-serotonergic-receptor-is-involved-in-descending-inhibition-of-cardiac-nociception-by-the-lateral-reticular-nucleus-in-rats
#8
Man Han, Xiao-Hua Liu, Jian-Qing DU
OBJECTIVE: To investigate the role of the lateral reticular nucleus (LRN) in descending inhibition of cardiac nociception in rats and the involvement of spinal serotonergic receptors in the descending inhibition. METHODS: Male SD rats were randomly divided into 5 groups, namely bradykinin (BK) group, BK + glutamate group, BK + methysergide group, BK + glutamate + methysergide group, and BK + glutamate + vehicle group. The rats received glutamate microinjection in the LRN combined with the intrathecal injection of serotonergic receptor antagonist methysergide, and the changes in the cardiacsomatic motor reflex induced by intrapericardial BK injection were monitored by observing electromyogram (EMG) responses of the dorsal spinotrapezius muscle; c-Fos expression in the spinal dorsal horn was also tested...
September 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28951324/modulation-of-cardiac-vagal-tone-by-bradykinin-acting-on-nucleus-ambiguus
#9
Eugen Brailoiu, Matthew McGuire, Shadaria A Shuler, Elena Deliu, Jeffrey L Barr, Mary E Abood, G Cristina Brailoiu
Bradykinin (BK), a component of the kallikrein-kininogen-kinin system exerts multiple effects via B1 and B2 receptor activation. In the cardiovascular system, bradykinin has cardioprotective and vasodilator properties. We investigated the effect of BK on cardiac-projecting neurons of nucleus ambiguus, a key site for the parasympathetic cardiac regulation. BK produced a dose-dependent increase in cytosolic Ca(2+) concentration. Pretreatment with HOE140, a B2 receptor antagonist, but not with R715, a B1 receptor antagonist, abolished the response to BK...
December 4, 2017: Neuroscience
https://www.readbyqxmd.com/read/28950949/g-protein-coupled-kinin-receptors-and-immunity-against-pathogens
#10
Julio Scharfstein, Pablo I P Ramos, Manoel Barral-Netto
For decades, immunologists have considered the complement system as a paradigm of a proteolytic cascade that, acting cooperatively with the immune system, enhances host defense against infectious organisms. In recent years, advances made in thrombosis research disclosed a functional link between activated neutrophils, monocytes, and platelet-driven thrombogenesis. Forging a physical barrier, the fibrin scaffolds generated by synergism between the extrinsic and intrinsic (contact) pathways of coagulation entrap microbes within microvessels, limiting the systemic spread of infection while enhancing the clearance of pathogens by activated leukocytes...
2017: Advances in Immunology
https://www.readbyqxmd.com/read/28950264/an-abc-of-the-warning-signs-of-hereditary-angioedema
#11
REVIEW
Anete Sevciovic Grumach, Natasha Ferraroni, Maria Margarita Olivares, Maria Concepción López-Serrano, Anette Bygum
Hereditary angioedema (HAE) with C1 inhibitor deficiency is a genetic disorder that clinically manifests with attacks of angioedema in the subcutaneous and submucosal tissues, mainly in the extremities, abdomen, and upper airway. During attacks, vascular permeability is increased due to increased bradykinin (BK). This means that special therapies are needed for attacks that do not respond to traditional antiallergic therapies involving antihistamines, corticosteroids, and epinephrine. The recurring attacks may disable patients and lead to frequent visits to emergency rooms where misdiagnoses are common...
2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28937259/cardiac-morphofunctional-characteristics-of-transgenic-rats-with-overexpression-of-the-bradykinin-b1-receptor-in-the-endothelium
#12
R F Levy, A J Serra, E L Antonio, L Dos Santos, D S Bocalini, J B Pesquero, M Bader, V F Merino, H A de Oliveira, E C de Arruda Veiga, J A Silva, P Jf Tucci
Evaluate whether endothelial overexpressing of the bradykinin B1 receptor could be associated with altered left ventricular and myocardial performance. Echocardiography and hemodynamic were employed to assess left ventricular morphology and function in Sprague-Dawley transgenic rats overexpressing the endothelial bradykinin B1 receptor (Tie2B1 rats). The myocardial inotropism was evaluated on papillary muscles contradicting in vitro. In Tie2B1 animals, an enlarged left ventricular cavity and lower fractional shortening coupled with a lower rate of pressure change values indicated depressed left ventricular performance...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28935720/suppression-of-store-operated-ca-2-entry-by-activation-of-gper-contribution-to-a-clamping-effect-on-endothelial-ca-2-signaling
#13
Lara E Terry, Mark VerMeer, Jennifer Giles, Quang-Kim Tran
The G protein-coupled estrogen receptor 1 (GPER, formerly also known as GPR30) modulates many Ca(2+)-dependent activities in endothelial cells. However, the underlying mechanisms are poorly understood. We recently reported that GPER acts to prolong cytoplasmic Ca(2+) signals by interacting with and promoting inhibitory phosphorylation of the plasma membrane Ca(2+)-ATPase. In the present study, we examined the role of GPER activation in modulating store-operated Ca(2+) entry (SOCE) via effects on the stromal interaction molecule 1 (STIM1)...
October 23, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28935640/attenuation-of-pulmonary-ace2-activity-impairs-inactivation-of-des-arg9-bradykinin-bkb1r-axis-and-facilitates-lps-induced-neutrophil-infiltration
#14
Chhinder P Sodhi, Christine Wohlford-Lenane, Yukihiro Yamaguchi, Thomas Prindle, William B Fulton, Sanxia Wang, Paul B McCray, Mark C Chappell, David J Hackam, Hongpeng Jia
Angiotensin converting enzyme 2 (ACE2) is a terminal carboxypeptidase with important functions in the renin angiotensin system and plays a critical role in inflammatory lung diseases. ACE2 cleaves single terminal residues from several bioactive peptides such as angiotensin II. However, few of its substrates in the respiratory tract have been identified and the mechanism underlying the role of ACE2 in inflammatory lung disease has not been fully characterized. In an effort to identify biological targets of ACE2 in the lung, we tested its effects on des-arg9 bradykinin (DABK) in airway epithelial cells based upon a hypothesis that DABK is a biological substrate of ACE2 in the lung and ACE2 plays an important role in the pathogenesis of acute lung inflammation partly through modulating DABK/BKB1R axis signaling...
September 21, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28928655/effects-of-simvastatin-beyond-dyslipidemia-exploring-its-antinociceptive-action-in-an-animal-model-of-complex-regional-pain-syndrome-type-i
#15
Graziela Vieira, Juliana Cavalli, Elaine C D Gonçalves, Tainara R Gonçalves, Larissa R Laurindo, Maíra Cola, Rafael C Dutra
Simvastatin is a lipid-lowering agent that blocks the production of cholesterol through inhibition of 3-hydroxy-methyl-glutaryl coenzyme A (HMG-CoA) reductase. In addition, recent evidence has suggested its anti-inflammatory and antinociceptive actions during inflammatory and pain disorders. Herein, we investigated the effects of simvastatin in an animal model of complex regional pain syndrome-type I, and its underlying mechanisms. Chronic post-ischemia pain (CPIP) was induced by ischemia and reperfusion (IR) injury of the left hind paw...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28899709/phosphorylation-of-epidermal-growth-factor-receptor-at-serine-1047-in-cultured-lung-alveolar-epithelial-cells-by-bradykinin-b2-receptor-stimulation
#16
Shunsuke Izumi, Sayomi Higa-Nakamine, Hiroyuki Nishi, Hidetsugu Torihara, Ayako Uehara, Kazuhiro Sugahara, Manabu Kakinohana, Hideyuki Yamamoto
Accumulating evidence indicates that epidermal growth factor receptor (EGFR) is desensitized by phosphorylation of serine 1047 (Ser1047). We and other groups have reported that stimulation of a receptor of tumor-necrosis factor α (TNFα) and Toll-like receptor 5 (TLR5) induced the phosphorylation of Ser1047 through activation of p38 mitogen-activated protein kinase (p38 MAPK) in cultured lung alveolar epithelial A549 cells. However, phosphorylation of EGFR at Ser1047 by stimulation of any G-protein coupled receptors (GPCRs) has not been reported in any cultured cells...
September 9, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28826826/the-relevance-of-kalikrein-kinin-system-via-activation-of-b2-receptor-in-lps-induced-fever-in-rats
#17
Denis de Melo Soares, Danielle R Santos, Christoph Rummel, Daniela Ott, Míriam C C Melo, Joachim Roth, João B Calixto, Glória E P Souza
PURPOSE: This study evaluated the involvement of endogenous kallikrein-kinin system and the bradykinin (BK) B1 and B2 receptors on LPS- induced fever and the POA cells involved in this response. MATERIAL AND METHODS: Male Wistar rats received either i.v. (1 mg/kg), i.c.v. (20 nmol) or i.h. (2 nmol) injections of icatibant (B2 receptor antagonist) 30 or 60 min, respectively, before the stimuli. DALBK (B1 receptor antagonist) was given either 15min before BK (i...
August 19, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28820397/long-term-feeding-with-bioactive-tripeptides-in-aged-hypertensive-and-normotensive-rats-special-focus-on-blood-pressure-and-bradykinin-induced-vascular-reactivity
#18
A Siltari, J Roivanen, R Korpela, H Vapaatalo
Bradykinin is the main player of the kallikrein-kinin system. Bradykinin-induced vasodilatation is age-dependent; this is believed to be associated with the level of expression of the two bradykinin receptors (BR1 and BR2) in the vasculature. The aim of this study was to clarify bradykinin-induced vascular reactivity of spontaneously hypertensive rats (SHR) and age-matched Wistar-Kyoto rats (WKY) after 6 weeks' consumption of a drink containing bioactive tripeptides (Ile-Pro-Pro, Val-Pro-Pro and Leu-Pro-Pro)...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28818177/angioedema
#19
Janina Hahn, Thomas K Hoffmann, Bastian Bock, Melanie Nordmann-Kleiner, Susanne Trainotti, Jens Greve
BACKGROUND: Acute angioedema of the upper airways can be life-threatening. An important distinction is drawn between mast-cell-mediated angioedema and bradykinin-mediated angioedema; the treatment of these two entities is fundamentally different. METHODS: This review is based on pertinent articles retrieved by a selective search in PubMed and on guidelines concerning the treatment of angioedema. The authors draw on their own clinical experience in their assessment of the literature...
July 24, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28810528/neuroprotection-of-bradykinin-bradykinin-b2-receptor-system-in-cerebral-ischemia
#20
REVIEW
Bingyuan Ji, Baohua Cheng, Yanyou Pan, Chunmei Wang, Jing Chen, Bo Bai
Bradykinin B2 receptor (B2R) activated by its endogenous ligand bradykinin participates in various physiological processes including neurogenesis, neuronal differentiation, and control of inflammation and blood pressure. Besides these effects, B2R has been demonstrated to protect neurons from ischemia/reperfusion (I/R) injury. Here, we highlight the mechanisms of BK/B2R-mediated neuroprotective effects in the peripheral and central nervous systems. Moreover, this review article summarizes some of the signaling pathways of B2R in cerebral ischemia, leading to a better understanding of its neuroprotection...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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