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https://www.readbyqxmd.com/read/29679752/thermodynamic-compatibility-between-cyclodextrin-supramolecular-complexes-and-surfactant
#1
Larissa H R Meira, Guilherme A B Soares, Homero I M Bonomini, Juliana Fedoce Lopes, Frederico B De Sousa
Supramolecular structures based on cyclodextrins have been extensively used for drug delivery systems over decades. However, combining host and guest molecules in a pharmaceutical formulation is not a trivial process, being one of the majors concern the inclusion complex compatibility with other excipients presented in the final formulation. Herein, experimental and theoretical calculations were used to investigate the competition of sodium dodecyl sulfate (SDS) with atenolol (ATE) or losartan (LOS), antihypertensive drugs widely used in the treatment of hypertension...
April 18, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29679599/mortality-in-pulmonary-arterial-hypertension-patients-treated-with-continuous-prostanoids
#2
S D Bartolome, N Sood, T S Shah, K Styrvoky, F T Torres, K M Chin
INTRODUCTION: Parenteral prostanoids are considered the treatment of choice for patients with severe pulmonary arterial hypertension (PAH). Prognostic studies for patients treated in the modern era are limited. METHODS: In this retrospective cohort study, patients initiating IV epoprostenol or IV or SC treprostinil therapy for PAH from 2007-2016 at UT Southwestern, Dallas, TX and Ohio State University, Columbus, OH were included. Transplant-free survival was assessed from the time of IV/SC initiation and from the time of first follow-up...
April 18, 2018: Chest
https://www.readbyqxmd.com/read/29679542/treatments-for-diabetes-mellitus-type-ii-new-perspectives-regarding-the-possible-role-of-calcium-and-camp-interaction
#3
REVIEW
Diego Soares Carvalho, Alexandre Aparecido de Almeida, Aurélio Ferreira Borges, Diego Vannucci Campos
Diabetes mellitus (DM) is among the top ten causes of death worldwide. It is considered to be one of the major global epidemics of the 21st century, with a significant impact on public health budgets. DM is a metabolic disorder with multiple etiologies. Its pathophysiology is marked by dysfunction of pancreatic β-cells which compromises the synthesis and secretion of insulin along with resistance to insulin action in peripheral tissues (muscle and adipose). Subjects presenting insulin resistance in DM type 2 often also exhibit increased insulin secretion and hyperinsulinemia...
April 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29679391/cardiovascular-effects-of-sitagliptin-an-anti-diabetes-medicine
#4
REVIEW
Yi Zhou, Zhiying Guo, Wenjing Yan, Wen Wang
Dipeptidyl-peptidase-4 (DPP-4) inhibitors, as the most recent available anti-diabetic agents, were generally used in clinical treatment of type 2 diabetes (T2DM). In addition to anti-diabetic effects, the five most widely used DPP-4 inhibitors (sitagliptin, vildagliptin, saxagliptin, linagliptin and alogliptin) also exert cardiovascular protective effects. In recent years, increasing studies suggest that sitagliptin shows pleiotropic impacts towards the cardiovascular system either with or without diabetes...
April 21, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29679024/cysteine-protease-cathepsins-in-cardiovascular-disease-from-basic-research-to-clinical-trials
#5
REVIEW
Cong-Lin Liu, Junli Guo, Xian Zhang, Galina K Sukhova, Peter Libby, Guo-Ping Shi
Cysteine protease cathepsins have traditionally been considered as lysosome-restricted proteases that mediate proteolysis of unwanted proteins. However, studies from the past decade demonstrate that these proteases are localized not only in acidic compartments (endosomes and lysosomes), where they participate in intracellular protein degradation, but also in the extracellular milieu, plasma membrane, cytosol, nucleus, and nuclear membrane, where they mediate extracellular matrix protein degradation, cell signalling, and protein processing and trafficking through the plasma and nuclear membranes and between intracellular organelles...
April 20, 2018: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/29678648/determinants-of-health-related-quality-of-life-1-year-after-pulmonary-thromboendarterectomy
#6
Oksana Kamenskaya, Asya Klinkova, Irina Loginova, Alexander Chernyavskiy, Alexander Edemskiy, Vladimir V Lomivorotov, Alexander Karaskov
AIM: Pulmonary thromboendarterectomy (PTE) is a recognized treatment for patients with chronic thromboembolic pulmonary hypertension (CTEPH), with good long-term haemodynamic results. The aim of this study was to test the hypothesis that the dynamics of health-related quality of life (QoL), 1 year after PTE, depends both on the clinical determinants associated with the underlying disease and the adverse events occurring in the early postoperative period. METHODS: This prospective cohort study included 136 patients with CTEPH...
April 17, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29678354/actin-dynamics-at-focal-adhesions-a-common-endpoint-and-putative-therapeutic-target-for-proteinuric-kidney-diseases
#7
REVIEW
Sanja Sever, Mario Schiffer
Proteinuria encompasses diverse causes including both genetic diseases and acquired forms such as diabetic and hypertensive nephropathy. The basis of proteinuria is a disturbance in size selectivity of the glomerular filtration barrier, which largely depends on the podocyte: a terminally differentiated epithelial cell type covering the outer surface of the glomerulus. Compromised podocyte structure is one of the earliest signs of glomerular injury. The phenotype of diverse animal models and podocyte cell culture firmly established the essential role of the actin cytoskeleton in maintaining functional podocyte structure...
April 17, 2018: Kidney International
https://www.readbyqxmd.com/read/29678310/grossly-abnormal-ventilation-perfusion-spect-study-in-idiopathic-pulmonary-arterial-hypertension-without-thromboembolism
#8
Kenneth Chan, John G Coghlan, Margaret Hall, Jamanda Haddock, Alan Bates, Benjamin E Schreiber
Pulmonary hypertension is a serious condition with multiple underlying aetiologies which require different treatment strategies. We present a case of severe idiopathic pulmonary arterial hypertension in a 20-year-old patient with ongoing breathlessness. She was initially diagnosed with asthma and panic attacks in community care. As the symptoms became progressively worse, she was referred for pulmonary hypertension clinic assessment. Ventilation/perfusion single-photon emission computed tomography (V/Q SPECT) showed grossly abnormal perfusion defects which were mismatched to the ventilation scan, suggestive of chronic thromboembolic disease...
January 31, 2018: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29678287/novel-mechanisms-of-g-protein-coupled-receptors-functions-at-1-angiotensin-receptor-acts-as-a-signaling-hub-and-focal-point-of-receptor-cross-talk
#9
REVIEW
András D Tóth, Gábor Turu, László Hunyady, András Balla
AT1 angiotensin receptor (AT1 R), a prototypical G protein-coupled receptor (GPCR), is the main receptor, which mediates the effects of the renin-angiotensin system (RAS). AT1 R plays a crucial role in the regulation of blood pressure and salt-water homeostasis, and in the development of pathological conditions, such as hypertension, heart failure, cardiovascular remodeling, renal fibrosis, inflammation, and metabolic disorders. Stimulation of AT1 R leads to pleiotropic signal transduction pathways generating arrays of complex cellular responses...
April 2018: Best Practice & Research. Clinical Endocrinology & Metabolism
https://www.readbyqxmd.com/read/29678160/the-increasing-burden-and-complexity-of-multi-morbidity-and-polypharmacy-in-geriatric-hiv-patients-a-cross-sectional-study-of-people-aged-65-74-years-and-more-than-75-years
#10
G Guaraldi, A Malagoli, A Calcagno, C Mussi, B M Celesia, F Carli, S Piconi, G V De Socio, A M Cattelan, G Orofino, A Riva, E Focà, S Nozza, G Di Perri
BACKGROUND: Geriatric Patients Living with HIV/AIDS (GEPPO) is a new prospective observational multicentre cohort consisting of all the HIV-positive geriatric patients being treated at 10 clinics in Italy, and HIV-negative controls attending a single geriatric clinic. The aim of this analysis of the GEPPO cohort was to compare prevalence and risk factors of individual non-communicable diseases (NCD), multi-morbidity (MM) and polypharmacy (PP) amongst HIV positive and HIV negative controls at enrolment into the GEPPO cohort...
April 20, 2018: BMC Geriatrics
https://www.readbyqxmd.com/read/29677946/patient-stratification-using-longitudinal-data-application-of-latent-class-mixed-models
#11
Nophar Geifman, Hannah Lennon, Niels Peek
Analysis of longitudinal data in medical research is becoming increasingly important, in particular for the identification of patient subgroups, as the focus of medical research is shifting toward personalised medicine. Here we present the use of a statistical learning approach for the identification of subgroups of hypertension patients demonstrating different patterns of response to treatment. This method, applied to large-scale patient-level data, has identified three such groups found to be associated with different clinical characteristics...
2018: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29677050/changes-in-albuminuria-and-renal-outcome-in-patients-with-type-2-diabetes-and-hypertension-a-real-life-observational-study
#12
Francesca Viazzi, Antonio Ceriello, Paola Fioretto, Carlo Giorda, Pietro Guida, Giuseppina Russo, Eulalia Greco, Salvatore De Cosmo, Roberto Pontremoli
OBJECTIVES: To assess the predictive role of changes in albuminuria on the loss of renal function under antihypertensive treatment in patients with type 2 diabetes (T2D). METHODS: Clinical records from a total of 12 611 patients with hypertension and T2D, attending 100 antidiabetic centers in Italy, with normal estimated glomerular filtration rate (eGFR) at baseline and regular visits during a 4-year period were retrieved and analyzed. We assessed the association between changes in albuminuria status during a 1-year baseline period and time updated blood pressure (BP) and eGFR loss over the subsequent 4-year follow-up...
April 19, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29677012/inverse-correlation-between-daily-outdoor-temperature-and-blood-pressure-in-six-us-cities
#13
Jennifer M Radin, Daniel Neems, Ross Goglia, Khan Siddiqui, Steven R Steinhubl
This study aims to evaluate the relationship between mean outdoor temperature and mean daily blood pressure (BP) and heart rate (HR) among six, large, geographically and climatically diverse US cities. We collected BP and HR data from Higi stations, located in a wide range of neighborhood grocery stores and retail pharmacies, from six US cities (Houston, Los Angeles, Miami, Boise, Chicago, and New York City). Outdoor daily temperature data were collected from the National Centers for Environmental Information's database...
April 19, 2018: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/29677011/evaluating-the-impact-of-measurement-uncertainty-in-blood-pressure-measurement-on-hypertension-diagnosis
#14
Bruno A Rodrigues Filho, Rafael F Farias, Wilian Dos Anjos
BACKGROUND AND OBJECTIVE: The sphygmomanometer is a well-known device used widely for blood pressure (BP)measurement in primary cares to diagnose hypertension. It is also vastly used by patients to monitor BP for medication. Deviations in measurement might affect significantly the diagnosis. For example, a hypertensive patient might be diagnosed as normal and consequently not receive proper treatment or a healthy patient might be diagnosed as hypertensive and may receive treatment for a nonexistent disease...
April 19, 2018: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/29676941/pk-pd-evaluation-of-fimasartan-for-the-treatment-of-hypertension-current-evidences-and-future-perspectives
#15
Fabio Angeli, Paolo Verdecchia, Monica Trapasso, Marina Pane, Sara Signorotti, Gianpaolo Reboldi
Fimasartan is the ninth and latest Angiotensin Receptor Blockers for the treatment of hypertension. Fimasartan is a derivative of losartan in which the imidazole ring has been replaced, a change that provided higher potency and longer duration than losartan. It provides a selective type 1 angiotensin II receptor antagonist effect with noncompetitive, insurmountable binding. Fimasartan is rapidly absorbed following oral administration with an oral bioavailability of 18.6 ± 7.2 %. Fimasartan is relatively stable in terms of metabolism and more than 90 % of circulating fimasartan moieties in the plasma are in the parent form; fecal elimination and biliary excretion are the predominant elimination pathways of fimasartan...
April 20, 2018: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/29676873/-bradykinin-and-cardiovascular-protection-role-of-perindopril-an-inhibitor-of-angiotensin-conversion-enzyme
#16
P Lancellotti, A Ancion, V D'Orio, O Gach, P Maréchal, J M Krzesinski
The endothelium plays a vital role as part of the cardiovascular continuum. Risk factors such as hypertension and dyslipidemia unbalance angiotensin II - bradykinin homeostasis, leading to endothelial dysfunction and changes in vascular structure that promote atherosclerosis and thrombosis. When dealing with risk factors, treatment should focus on the prevention and restoration of endothelial function. Not all cardiovascular drugs are able to reverse vascular and structural endothelial dysfunction. Increasing levels of bradykinin is an effect of the use of angiotensin-converting enzyme inhibitors (ACE-Is), and also a fundamental part of their mode of action...
April 2018: Revue Médicale de Liège
https://www.readbyqxmd.com/read/29676870/-which-place-for-thiazide-and-thiazide-like-diuretics-in-patients-with-type-2-diabetes
#17
A J Scheen, J M Krzesinski
The use of thiazides as antihypertensive agents has been challenged because associated metabolic adverse events, including new-onset diabetes. However, these metabolic disturbances are less marked with low-dose of hydrochlorothiazide and with thiazide-like diuretics such as chlorthalidone and indapamide. In post hoc analyses of subgroups of patients with hypertension and type 2 diabetes, thiazide(-like) diuretics resulted in a significant reduction in cardiovascular events, all-cause mortality and hospitalization for heart failure compared to placebo...
April 2018: Revue Médicale de Liège
https://www.readbyqxmd.com/read/29676521/inhibitory-regulation-of-skin-fibrosis-in-systemic-sclerosis-by-apelin-apj-signaling
#18
Yoko Yokoyama, Akiko Sekiguchi, Chisako Fujiwara, Akihiko Uchiyama, Akihito Uehara, Sachiko Ogino, Ryoko Torii, Osamu Ishikawa, Sei-Ichiro Motegi
OBJECTIVE: Apelin/APJ signaling has been identified to regulate cardiac and arterial fibrosis and involved in the pathogenesis of pulmonary arterial hypertension. Objective was to elucidate the role of apelin in skin fibrosis in systemic sclerosis (SSc). METHODS: Expressions of apelin/APJ in normal and SSc fibroblasts were compared. Effects of siRNA depletion and the addition of apelin in fibroblasts were analyzed. Effect of apelin injections on bleomycin-induced dermal fibrosis in mice was investigated...
April 20, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29676239/transdermal-delivery-of-at1-receptor-antagonists-reduce-blood-pressure-and-reveals-a-vasodilatory-effect-in-kidney-blood-vessels
#19
Vasso Apostolopoulos, Michaila Michalatou, Maria-Eleni Androutsou, Markos Antonopoulos, George Agelis, Anthony Zulli, Tawar Qaradakhi, John Matsoukas
BACKGROUND: The Renin Angiotensin System (RAS) is pharmacologically targeted to reduce blood pressure, and patient compliance to oral medications is a clinical issue. The mechanisms of action of angiotensin receptor blockers (ARBs) in reducing blood pressure are not well understood, and is purported to be via a reduction of angiotensin II signaling. OBJECTIVE: We aimed to develop a transdermal delivery method for ARBs (losartan potassium and valsartan) and to determine if ARBs reveal a vasodilatory effect of the novel RAS peptide, alamandine...
April 19, 2018: Current Molecular Pharmacology
https://www.readbyqxmd.com/read/29675956/clonidine-modulates-the-activity-of-the-subthalamic-supplementary-motor-loop-evidence-from-a-pharmacological-study-combining-dbs-and-eeg-recordings-in-parkinsonian-patients
#20
Charlotte Spay, Marion Albares, Guillaume Lio, Stephane Thobois, Emmanuel Broussolle, Brian Lau, Benedicte Ballanger, Philippe Boulinguez
Clonidine is an anti-hypertensive medication which acts as an alpha-adrenergic receptors agonist. As the noradrenergic system is likely to support cognitive functions including attention and executive control, other clinical uses of clonidine have recently gained popularity for the treatment of neuropsychiatric disorders like attention-deficit hyperactivity disorder or Tourette syndrome, but the mechanism of action is still unclear. Here, we test the hypothesis that the noradrenergic system regulates the activity of subthalamo-motor cortical loops, and that this influence can be modulated by clonidine...
April 20, 2018: Journal of Neurochemistry
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