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Adrenomedullin

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https://www.readbyqxmd.com/read/29729940/a-transcriptomic-study-of-hereditary-angioedema-attacks
#1
Giuseppe Castellano, Chiara Divella, Fabio Sallustio, Vincenzo Montinaro, Claudia Curci, Andrea Zanichelli, Erika Bonanni, Chiara Suffritti, Sonia Caccia, Fleur Bossi, Anna Gallone, Francesco Paolo Schena, Loreto Gesualdo, Marco Cicardi
BACKGROUND: Hereditary Angioedema (HAE) due to C1-inhibitor deficiency is a lifelong illness characterized by recurrent acute attacks of localized skin or mucosal edema. An activation of the kallikrein/bradykinin pathway at endothelial cell level has a relevant pathogenetic role in acute HAE attacks. Moreover, other pathways are involved, given the variable clinical expression of the disease in different patients. OBJECTIVE: To explore the involvement of other putative genes in the edema formation...
May 3, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29695980/cardiac-remodeling-endothelial-cells-have-more-to-say-than-just-no
#2
REVIEW
Vincent F M Segers, Dirk L Brutsaert, Gilles W De Keulenaer
The heart is a highly structured organ consisting of different cell types, including myocytes, endothelial cells, fibroblasts, stem cells, and inflammatory cells. This pluricellularity provides the opportunity of intercellular communication within the organ, with subsequent optimization of its function. Intercellular cross-talk is indispensable during cardiac development, but also plays a substantial modulatory role in the normal and failing heart of adults. More specifically, factors secreted by cardiac microvascular endothelial cells modulate cardiac performance and either positively or negatively affect cardiac remodeling...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29689347/regulation-of-cardiovascular-development-and-homeostasis-by-the-adrenomedullin-ramp-system
#3
Takayuki Shindo, Megumu Tanaka, Akiko Kamiyoshi, Yuka Ichikawa-Shindo, Hisaka Kawate, Akihiro Yamauchi, Takayuki Sakurai
Adrenomedullin (AM), a member of the calcitonin peptide superfamily, is a peptide involved in both the pathogenesis of cardiovascular diseases and circulatory homeostasis. Its receptor, calcitonin receptor-like receptor (CLR), associates with an accessory protein, receptor activity-modifying protein (RAMP). Depending upon which the three RAMP isoforms (RAMP1-3) it interacts with, CLR functions as a receptor for AM or other calcitonin family peptides. AM knockout mice (-/-) died mid-gestation due to abnormalities in vascular development...
April 21, 2018: Peptides
https://www.readbyqxmd.com/read/29676776/gene-expression-analysis-of-neuropeptides-in-oral-mucosa-during-periodontal-disease-in-nonhuman-primates
#4
John Ferrin, Jeffrey L Ebersole, Sreenatha Kirakodu, David Jensen, Ahmad Al-Attar, Rebecca Peyyala, M John Novak, Dolph Dawson, Mohanad Al-Sabbagh, Arnold J Stromberg, Luis Orraca, Janis Gonzalez-Martinez, Armando Burgos, Octavio A Gonzalez
BACKGROUND: Neuropeptides (NPs) are innate pivotal regulators of the immunoinflammatory response. Nevertheless, their role in the pathogenesis of the periodontal disease remains unknown. We determined changes in gene expression of 10 NPs and 16 NP receptors (NPRs) coincident with the initiation, progression and resolution of periodontitis. METHODS: The ligature-induced periodontitis model was used in rhesus monkeys (n = 18). Gingival tissue samples were taken at baseline pre-ligature, 2 weeks and 1 month (Initiation), and 3 months (Progression) post-ligation...
April 20, 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/29671277/reduced-adrenomedullin-parallels-microtubule-dismantlement-in-frontotemporal-lobar-degeneration
#5
Hilda Ferrero, Ignacio M Larrayoz, Maite Solas, Alfredo Martínez, María J Ramírez, Francisco J Gil-Bea
Tau is a microtubule-associated protein highly expressed in neurons with a chief role in microtubule dynamics and axonal maintenance. Adrenomedullin gene (ADM) codifies for various peptides that exert broad range of actions in the body. Previous works in our groups have shown that increased ADM products are positively correlated to microtubule disruption and tau pathology in Alzheimer's disease brains. In the present study, we explore the involvement of ADM in the neuropathology of frontotemporal lobar degeneration that presents with primary tauopathy (FTLD-tau)...
April 18, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29663841/novel-heart-failure-biomarkers-why-do-we-fail-to-exploit-their-potential
#6
Arnold Piek, Weijie Du, Rudolf A de Boer, Herman H W Silljé
Plasma biomarkers are useful tools in the diagnosis and prognosis of heart failure (HF). In the last decade, numerous studies have aimed to identify novel HF biomarkers that would provide superior and/or additional diagnostic, prognostic, or stratification utility. Although numerous biomarkers have been identified, their implementation in clinical practice has so far remained largely unsuccessful. Whereas cardiac-specific biomarkers, including natriuretic peptides (ANP and BNP) and high sensitivity troponins (hsTn), are widely used in clinical practice, other biomarkers have not yet proven their utility...
April 17, 2018: Critical Reviews in Clinical Laboratory Sciences
https://www.readbyqxmd.com/read/29626675/is-the-activity-of-cgrp-and-adrenomedullin-regulated-by-ramp-2-and-3-in-trypanosomatidae-an-in-silico-approach
#7
Anthony Febres, Oriana Vanegas, Michelle Giammarresi, Carlos Gomes, Emilia Díaz, Alicia Ponte-Sucre
The Calcitonin-Like Receptor (CLR) belongs to the classical seven-transmembrane segment molecules coupled to heterotrimeric G proteins. Its pharmacology depends on the simultaneous expression of the so-called Receptor Activity Modifier Proteins (RAMP-) -1, -2 and -3. RAMP-associated proteins modulate glycosylation and cellular traffic of CLR, therefore determining its pharmacodynamics. In higher eukaryotes, the complex formed by CLR and RAMP-1 is more akin to bind Calcitonin Gene-Related Peptide (CGRP), whereas those formed by CLR and RAMP-2 or RAMP-3, bind preferentially Adrenomedullin (AM)...
April 4, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29603792/mid-regional-pro-adrenomedullin-could-be-a-biomarker-of-severity-in-bronchiolitis
#8
Mercedes Bueno Campaña, Marta Rupérez Lucas, Adelaida Fernández Rincon, Cristina Calvo, Lucia Moran Roldan, Rocío de la Morena Martinez
Acute bronchiolitis is the most common lower respiratory tract infection in infants and an important cause of hospital admissions. In the initial course of the disease there are no clinical or analytical parameters that can accurately predict disease severity. Classifying patients as high or low risk for a more severe outcome would improve the optimisation of resources. This article is protected by copyright. All rights reserved.
March 30, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29600350/adrenomedullin-a-novel-target-for-neurodegenerative-diseases
#9
REVIEW
Hilda Ferrero, Ignacio M Larrayoz, Francisco J Gil-Bea, Alfredo Martínez, María J Ramírez
Neurodegenerative diseases represent a heterogeneous group of disorders whose common characteristic is the progressive degeneration of neuronal structure and function. Although much knowledge has been accumulated on the pathophysiology of neurodegenerative diseases over the years, more efforts are needed to understand the processes that underlie these diseases and hence to propose new treatments. Adrenomedullin (AM) is a multifunctional peptide involved in vasodilation, hormone secretion, antimicrobial defense, cellular growth, and angiogenesis...
March 29, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29595329/sacubitril-and-valsartan-protect-from-experimental-myocardial-infarction-by-ameliorating-oxidative-damage-in-wistar-rats
#10
Mohd Imran, Md Quamrul Hassan, Md Sayeed Akhtar, Obaid Rahman, M Akhtar, Abul Kalam Najmi
BACKGROUND: Sacubitril (SAC), a neprilysin inhibitor prevent degradation of neprilysin and activate cGMP signaling pathways leading to rise in blood volume concurrent to blood pressure by means of vasoactive peptides, adrenomedullin, and bradykinin. OBJECTIVE: The aim of this study was to evaluate the anti-ischemic effects of SAC through inhibiting neprilysin in isoproterenol (ISO) induced myocardial infarction (MI) in Wistar albino rats. ISO (85 mg/kg) was injected subcutaneously at the end of 14 days pre-treatment with SAC and valsartan (VAL)...
March 29, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29588171/mechanism-of-adrenomedullin-2-intermedin-mediated-vasorelaxation-in-rat-main-pulmonary-artery
#11
Gokcen Telli, Yasemin Erac, Banu Cahide Tel, Bulent Gumusel
Adrenomedullin 2/intermedin (AM2/IMD) is a member of calcitonin related gene peptide family and an important nitric oxide mediated vasorelaxant in various vascular beds. However, the mechanism of post receptor-interaction is not clear and may differ depending on tissue type and species. In this study, we aimed to investigate the exact mechanism and the role of BKCa and calcium channels on the vasorelaxant effect of AM2/IMD in rat PA. Changes in the AM2/IMD-mediated vasorelaxation were evaluated in the presence of various inhibitors...
March 24, 2018: Peptides
https://www.readbyqxmd.com/read/29577955/adrenomedullin-continuing-to-explore-cardioprotection
#12
Toshihiro Tsuruda, Johji Kato, Kenji Kuwasako, Kazuo Kitamura
Adrenomedullin (AM), a peptide isolated from an extract of human pheochromocytoma, comprises 52 amino acids with an intramolecular disulfide bond and amidation at the carboxy-terminus. AM is present in various tissues and organs in rodents and humans, including the heart. The peptide concentration increases with cardiac hypertrophy, acute myocardial infarction, and overt heart failure in the plasma and the myocardium. The principal function of AM in the cardiovascular system is the regulation of the vascular tone by vasodilation and natriuresis via cyclic adenosine monophosphate-dependent or -independent mechanism...
March 22, 2018: Peptides
https://www.readbyqxmd.com/read/29568943/identification-of-aberrantly-expressed-long-non-coding-rnas-in-postmenopausal-osteoporosis
#13
Qi Fei, Xiaodong Bai, Jisheng Lin, Hai Meng, Yong Yang, Ai Guo
Postmenopausal osteoporosis (PMOP) is a common skeletal disorder in postmenopausal women. The present study aimed to identify the key long non‑coding RNAs (lncRNAs) in PMOP through RNA sequencing. RNA sequencing was performed to obtain the expression profile of lncRNAs and mRNAs in blood samples of patients with PMOP and normal controls (NCs). Following the identification of differentially expressed mRNAs (DEmRNAs) and differentially expressed lncRNAs (DElncRNAs), the DElncRNA-DEmRNA co‑expression network was constructed...
March 19, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29566540/molecular-studies-of-cgrp-and-the-cgrp-family-of-peptides-in-the-central-nervous-system
#14
Erica R Hendrikse, Rebekah L Bower, Debbie L Hay, Christopher S Walker
Background Calcitonin gene-related peptide is an important target for migraine and other painful neurovascular conditions. Understanding the normal biological functions of calcitonin gene-related peptide is critical to understand the mechanisms of calcitonin gene-related peptide-blocking therapies as well as engineering improvements to these medications. Calcitonin gene-related peptide is closely related to other peptides in the calcitonin gene-related peptide family of peptides, including amylin. Relatedness in peptide sequence and in receptor biology makes it difficult to tease apart the contributions that each peptide and receptor makes to physiological processes and to disorders...
January 1, 2018: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/29546738/multidimensional-prognostic-index-mpi-and-proadrenomedullin-plasma-levels-in-predicting-one-month-mortality-risk-in-older-patients-hospitalized-with-community-acquired-pneumonia-cap-a-prospective-study
#15
Alberto Pilotto, Simone Dini, Nicola Veronese, Julia Daragjati, Manuela Miolo, Monica M Mion, Andrea Fontana, Mario Lo Storto, Martina Zaninotto, Giada Bragato, Alberto Cella, Paolo Carraro, Filomena Addante, Massimiliano Copetti, Mario Plebani
BACKGROUND: To evaluate the prognostic accuracy of pro-ADM (adrenomedullin) in comparison with and in addition to the Multidimensional Prognostic Index (MPI), a validated predictive tool for mortality derived from a Comprehensive Geriatric Assessment (CGA), to predict one-month mortality risk in older patients hospitalized with community-acquired pneumonia (CAP). METHODS: All patients aged 65 years and older, consecutively admitted to an acute geriatric ward with a diagnosis of CAP from February to July 2012...
March 15, 2018: Panminerva Medica
https://www.readbyqxmd.com/read/29531001/reliability-of-pro-adrenomedullin-and-interleukin-1%C3%AE-in-predicting-severity-of-community-acquired-pneumonia-in-pediatric-patients
#16
Muhammet Furkan Korkmaz, Ahmet Güzel, Mehmet Açıkgöz, Ali Okuyucu, Hasan Alaçam
OBJECTIVES: Community-acquired pneumonia (CAP) in children is one of the most important causes of mortality and morbidity in developing countries. Therefore, it is very important for clinicians to detect the presence and severity of pneumonia. Proadrenomedullin (Pro-ADM) and Interleukin-1β (IL-1β) are thought to have potential for CAP evaluation in children. We sought to investigate the value of Pro-ADM and IL-1β levels for severity assessment and outcome prediction in children with CAP...
January 2018: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29530506/mutational-analysis-of-the-extracellular-disulphide-bridges-of-the-atypical-chemokine-receptor-ackr3-cxcr7-uncovers-multiple-binding-and-activation-modes-for-its-chemokine-and-endogenous-non-chemokine-agonists
#17
Martyna Szpakowska, Max Meyrath, Nathan Reynders, Manuel Counson, Julien Hanson, Jan Steyaert, Andy Chevigné
The atypical chemokine receptor ACKR3/CXCR7 plays crucial roles in numerous physiological processes but also in viral infection and cancer. ACKR3 shows strong propensity for activation and, unlike classical chemokine receptors, can respond to chemokines from both the CXC and CC families as well as to the endogenous peptides BAM22 and adrenomedullin. Moreover, despite belonging to the G protein coupled receptor family, its function appears to be mainly dependent on β-arrestin. ACKR3 has also been shown to continuously cycle between the plasma membrane and the endosomal compartments, suggesting a possible role as a scavenging receptor...
July 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29525674/in-renal-hypertension-cirsium-japonicum-strengthens-cardiac-function-via-the-intermedin-nitric-oxide-pathway
#18
Xiaoling Yang, Hui Shao, Yong Chen, Ning Ding, Anning Yang, Jue Tian, Yuanxu Jiang, Guizhong Li, Yideng Jiang
Cirsium japonicum, a constituent of traditional Chinese medicine, has been shown to exert inflammatory effects as well as to improve the circulation and thus to counteract hematologic stasis. Studies have demonstrated that intermedin (IMD) has protective effects on hypertension in rats by regulating the Ang/NO metabolic pathway. In this study, we investigated whether by regulating the expression of IMD, Cirsium japonicum could improve cardiac function in rats with 2k1c-induced renal hypertension. Renal hypertension was induced in Sprague-Dawley rats by occluding the renal artery...
May 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29520277/adrenomedullin-and-adrenomedullin-targeted-therapy-as-treatment-strategies-relevant-for-sepsis
#19
REVIEW
Christopher Geven, Matthijs Kox, Peter Pickkers
Sepsis remains a major medical challenge, for which, apart from improvements in supportive care, treatment has not relevantly changed over the last few decades. Vasodilation and vascular leakage play a pivotal role in the development of septic shock, with vascular leakage being caused by disrupted endothelial integrity. Adrenomedullin (ADM), a free circulating peptide involved in regulation of endothelial barrier function and vascular tone, is implicated in the pathophysiology of sepsis. ADM levels are increased during sepsis, and correlate with extent of vasodilation, as well as with disease severity and mortality...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29512737/overexpression-of-adrenomedullin-protects-mesenchymal-stem-cells-against-hypoxia-and-serum-deprivation%C3%A2-induced-apoptosis-via-the-akt-gsk3%C3%AE-and-bcl%C3%A2-2-signaling-pathways
#20
Hongjin Si, Yao Zhang, Yuqing Song, Lili Li
The poor survival rate of transplanted mesenchymal stem cells (MSCs) within the ischemic heart limits their therapeutic potential for cardiac repair. Adrenomedullin (ADM) has been identified as a potent apoptotic inhibitor. The present study aimed to investigate the protective effects of ADM on MSCs against hypoxia and serum deprivation (H/SD)‑induced apoptosis, and to determine the potential underlying mechanisms. In the present study, a recombinant adenovirus expressing the ADM gene was established and was infected into MSCs...
June 2018: International Journal of Molecular Medicine
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