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Cardiovascular pharmacology

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https://www.readbyqxmd.com/read/28651365/cathepsin-k-inhibitors-for-osteoporosis-biology-potential-clinical-utility-and-lessons-learned
#1
Matthew T Drake, Bart L Clarke, Merry Jo Oursler, Sundeep Khosla
Cathepsin K is a cysteine protease member of the cathepsin lysosomal protease family. While cathepsin K is highly expressed in osteoclasts, lower levels of cathepsin K are also found in a variety of other tissues. Secretion of cathepsin K from the osteoclast into the sealed osteoclast-bone cell interface results in efficient degradation of type I collagen. The absence of cathepsin K activity in humans results in pycnodysostosis, characterized by increased bone mineral density and fractures. Pharmacological cathepsin K inhibition leads to continuous increases in BMD for up to five years of treatment and improves bone strength at the spine and hip...
June 23, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28649660/how-do-we-increase-uptake-of-tamoxifen-and-other-anti-estrogens-for-breast-cancer-prevention
#2
Katherine D Crew, Kathy S Albain, Dawn L Hershman, Joseph M Unger, Shelly S Lo
Several randomized controlled trials of anti-estrogens, such as tamoxifen and aromatase inhibitors, have demonstrated up to a 50-65% decrease in breast cancerincidence among high-risk women. Approximately 15% of women, age 35-79 years, in the U.S. meet criteria for breast cancer preventive therapies, but uptake of these medications remain low. Explanations for this low uptake includelack of awareness of breast cancer risk status, insufficient knowledge about breast cancer preventive therapies among patients and physicians, and toxicity concerns...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28648830/purinergic-p2y-receptors-molecular-diversity-and-implications-for-treatment-of-cardiovascular-diseases
#3
REVIEW
Akiyuki Nishimura, Caroline Sunggip, Sayaka Oda, Takuro Numaga-Tomita, Makoto Tsuda, Motohiro Nishida
Purinergic signaling, mediated mainly by G protein-coupled P2Y receptors (P2YRs), is now attracting attention as a new therapeutic target for preventing or treating cardiovascular diseases. Observations using mice with genetically modified P2YRs and/or treated with a pharmacological P2YR inhibitor have helped us understand the physiological and pathological significance of P2YRs in the cardiovascular system. P2YR-mediated biological functions are predominantly activated by mononucleotides released from non-adrenergic, non-cholinergic nerve endings or non-secretory tissues in response to physical stress or cell injury, though recent studies have suggested the occurrence of ligand-independent P2YR function through receptor-receptor interactions (oligomerization) in several biological processes...
June 22, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28646427/tanshinone-iia-attenuates-atherosclerosis-in-apolipoprotein-e-knockout-mice-infected-with-porphyromonas-gingivalis
#4
Yan Xuan, Yue Gao, Hao Huang, Xiaoxuan Wang, Yu Cai, Qing Xian Luan
Tanshinone IIA (TSA), a pharmacologically active component isolated from Danshen, may prevent cardiovascular diseases due to its anti-inflammatory, anti-oxidative, and anti-adipogenic effects. Porphyromonas gingivalis, a major periodontal pathogen, may contribute to the progression of atherosclerosis. Here, we studied the effects of TSA on atherosclerosis in ApoE(-/-) mice with P. gingivalis infection. Eight-week-old ApoE(-/-) mice were randomized to (a) phosphate-buffered saline (PBS), (b) P. gingivalis, and (c) P...
June 23, 2017: Inflammation
https://www.readbyqxmd.com/read/28645211/akr1c3-mediated-adipose-androgen-generation-drives-lipotoxicity-in-women-with-polycystic-ovary-syndrome
#5
Michael W O'Reilly, Punith Kempegowda, Mark Walsh, Angela E Taylor, Konstantinos N Manolopoulos, J William Allwood, Robert K Semple, Daniel Hebenstreit, Warwick B Dunn, Jeremy W Tomlinson, Wiebke Arlt
Context: Polycystic ovary syndrome (PCOS) is a prevalent metabolic disorder, occurring in up to 10% of women of reproductive age. PCOS is associated with insulin resistance and cardiovascular risk. Androgen excess is a defining feature of PCOS and has been suggested as causally associated with insulin resistance; however, mechanistic evidence linking both is lacking. We hypothesized that adipose tissue is an important site linking androgen activation and metabolic dysfunction in PCOS...
June 22, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28644981/chemical-profiling-and-antioxidant-evaluation-of-yangxinshi-tablet-by-hplc-esi-q-tof-ms-ms-combined-with-dpph-assay
#6
Junfeng Zhu, Xiaojiao Yi, Jinghui Zhang, Shuqing Chen, Yongjiang Wu
Yangxinshi Tablet (YXST) is a Chinese patent medicine commonly used to treat cardiovascular diseases. However, its detailed chemical basis and mechanisms of action have not been clarified. In this study, high performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (HPLC-ESI-Q-TOF-MS) was applied for comprehensive analysis of the chemical constituents in YXST. A total of 127 compounds, including 19 phenolic acids, 12 alkaloids, 51 flavanoids, 32 triterpenoids, 2 lignans, 2 phenylethanoid glycosides, 2 anthraquinones, 1 coumarin, and 6 other compounds, were identified or tentatively deduced by comparing their retention times and MS spectra with those of authentic standards or literature data...
June 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28642680/weight-bearing-over-ground-stepping-in-an-exoskeleton-with-non-invasive-spinal-cord-neuromodulation-after-motor-complete-paraplegia
#7
Parag Gad, Yury Gerasimenko, Sharon Zdunowski, Amanda Turner, Dimitry Sayenko, Daniel C Lu, V Reggie Edgerton
We asked whether coordinated voluntary movement of the lower limbs could be regained in an individual having been completely paralyzed (>4 year) and completely absent of vision (>15 year) using two novel strategies-transcutaneous electrical spinal cord stimulation at selected sites over the spine as well as pharmacological neuromodulation by buspirone. We also asked whether these neuromodulatory strategies could facilitate stepping assisted by an exoskeleton (EKSO, EKSO Bionics, CA) that is designed so that the subject can voluntarily complement the work being performed by the exoskeleton...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28641532/trimethylamine-n-oxide-tmao-as-a-new-potential-therapeutic-target-for-insulin-resistance-and-cancer
#8
Jens Oellgaard, Signe Abitz Winther, Tobias Schmidt Hansen, Peter Rossing, Bernt Johan von Scholten
BACKGROUND: The intake of animal products in food has been associated with both the development of insulin resistance and gastrointestinal cancers (GIC). Through the digestion of animal protein and other constituents of animal products, the commensal bacteria in the gut (the gut microbiota) forms metabolites that can contribute to the development of both insulin resistance and cancer. Trimethylamine-N-Oxide (TMAO) is such a molecule and has recently drawn a lot of attention as it may be a risk factor for - and a link between - the gut microbiota and cardiovascular and renal disease...
June 21, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28636568/causes-of-mortality-in-schizophrenia-an-updated-review-of-european-studies
#9
Patryk Piotrowski, Tomasz M Gondek, Anna Królicka-Deręgowska, Błażej Misiak, Tomasz Adamowski, Andrzej Kiejna
BACKGROUND: The excess mortality in schizophrenia is still a phenomenon insufficiently studied on the cross-national level. It is important to analyse current studies on morality in schizophrenia since significant changes have recently taken place in psychiatric health care systems and guidelines of pharmacological treatment have been developed in European countries. SUBJECTS AND METHODS: This article reviews studies addressing mortality in schizophrenia in Europe that were published in English in the Pubmed database in 2009-2014...
June 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28632997/epidemiology-of-obesity-and-pharmacologic-treatment-options
#10
Vignesh Shettar, Sarang Patel, Srividya Kidambi
Prevalence of obesity and its related morbidity have increased to alarming levels in adults and children in the United States and globally. Weight loss results in improvement of much of the obesity-related morbidity. Lifestyle changes such as dietary modifications, increased physical activity, and behavioral therapy form the crux of weight management. However, many individuals need additional assistance (pharmacologic or surgical) to initiate or sustain weight loss. Pharmacologic therapy consists of a number of agents that work by decreasing appetite, gastric emptying, or nutrient absorption or by increasing satiety...
June 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28631762/-safety-and-tolerability-of-oral-hypoglycemic-therapies-in-type-2-diabetes-mellitus-patients-at-high-cardiovascular-risk
#11
Giuseppe Ambrosio, Gaetano M De Ferrari, Massimo Federici, Pasquale Perrone Filardi
Oral hypoglycemic drugs for type 2 diabetes aim at preventing the metabolic effects of hyperglycemia and cardiovascular (CV) events. The evidence of the possible CV risk related to the prescription of some antidiabetic drugs prompted regulatory agencies to require safety studies. This review provides an updated analysis of CV safety profiles for antidiabetic drugs used for the treatment of patients with high CV risk.The most recent studies analyze different aspects of CV morbidity, such as ischemic events, heart failure and arrhythmia, and their interactions with hyperglycemia...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28631503/exercise-induced-cardioprotection-and-the-therapeutic-potential-of-ripc
#12
John C Quindry
In the search for innovative solutions to treat ischemic heart disease, recent basic science and clinical approaches have focused on remote ischemic preconditioning (RIPC). Remote ischemic preconditioning involves short intervals of limb blood flow occlusion by the application of a blood pressure cuff inflated to a suprasystolic pressure. The promise of RIPC in the development of new cardioprotective therapies is founded on the premise that it is cost-effective, technically simple, and overcomes many logistical and biochemical hurdles associated with other ischemic preconditioning approaches...
January 1, 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28631432/profile-effects-and-toxicity-of-novel-psychoactive-substances-a-systematic-review-of-quantitative-studies
#13
Sulaf Assi, Nargilya Gulyamova, Kinda Ibrahim, Paul Kneller, David Osselton
OBJECTIVE: To investigate the profile, effects, and toxicity of novel psychoactive substances (NPS). METHODS: A systematic literature review was conducted between May 2015 and February 2016 and included 19 databases. Search terms included "novel psychoactive substance(s)," "effect(s)," and "toxicity" and their synonyms. Studies included were those from any country, in any language, and between January 2007 and April 2015. Studies published before 2007 and those regarding the synthesis of NPS were excluded...
June 19, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28627980/long-term-follow-up-of-a-hospital-based-multi-intervention-programme-in-type-2-diabetes-mellitus-impact-on-cardiovascular-events-and-death
#14
Anne Pernille Ofstad, Geir Reinvik Ulimoen, Elsa Orvik, Kåre Inge Birkeland, Lars L Gullestad, Morten Wang Fagerland, Odd Erik Johansen
Objective To report the long-term impact on cardiovascular (CV) outcomes and mortality of a 2-year hospital-based multi-interventional care programme as compared with general practitioner (GP)-provided standard care. Methods Patients with type 2 diabetes with ≥ 1 additional CV risk factor were randomized to 2 years of specialist-based, multi-intervention comprising lifestyle modification and specific pharmacological treatment, or GP-based standard care. After the 2-year intervention period, all participants returned to pre-study care, but were followed up for CV outcomes and mortality...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28627793/increased-sympathetic-outflow-induces-adaptation-to-acute-experimental-pain
#15
Lior Dayan, Uri Hochberg, Hadas Nahman-Averbuch, Silviu Brill, Jacob N Ablin, Giris Jacob
BACKGROUND: There are interrelationships between the autonomic nervous system and pain. This study aims to explore the effect of different autonomic manipulations on pain perception and modulation. METHODS: Twenty healthy subjects (10 men and 10 women, mean age 25±3) participate in this single-blinded, semi-randomized, controlled study, which included 2 study visits. Warm and heat pain thresholds, conditioned pain modulation and pain adaptation were tested before and after administration of phenylephrine, clonidine, yohimbine and saline...
June 19, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28626106/-seedi-basic-strategies-for-the-primary-and-secondary-prevention-of-atherosclerotic-cardiovascular-disease
#16
Chunsong Hu
ABCDE strategy, mainly based on drugs or medications and the lifestyle modification (named as "main medical strategy"), is popular in the guideline for primary and secondary prevention of atherosclerotic cardiovascular disease (ASCVD) in China and foreign countries. Here, the author recommends a non-invasive and non-pharmacologic "Zhongzi" rule, which includes 4 healthy elements: Sleep, emotion, exercise, and diet (SEED), and also called SEED intervention (SEEDi) strategy. It is the basic strategy for primary and secondary prevention of non-infectious diseases, especially for ASCVD...
May 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28624099/cardiovascular-disease-and-cancer-evidence-for-shared-disease-pathways-and-pharmacologic-prevention
#17
REVIEW
Farzad Masoudkabir, Nizal Sarrafzadegan, Carolyn Gotay, Andrew Ignaszewski, Andrew D Krahn, Margot K Davis, Christopher Franco, Arya Mani
Cardiovascular disease (CVD) and cancer are leading causes of mortality and morbidity worldwide. Strategies to improve their treatment and prevention are global priorities and major focus of World Health Organization's joint prevention programs. Emerging evidence suggests that modifiable risk factors including diet, sedentary lifestyle, obesity and tobacco use are central to the pathogenesis of both diseases and are reflected in common genetic, cellular, and signaling mechanisms. Understanding this important biological overlap is critical and may help identify novel therapeutic and preventative strategies for both disorders...
June 2, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28623915/safety-pharmacology-and-subchronic-toxicity-of-jinqing-granules-in-rats
#18
Xuerong Zhou, Qian Rong, Min Xu, Yuanli Zhang, Qi Dong, Yuanling Xiao, Qiji Liu, Helin Chen, Xiaoyu Yang, Kaisheng Yu, Yinglun Li, Ling Zhao, Gang Ye, Fei Shi, Cheng Lv
BACKGROUND: Jinqing granules which are made of a mixture extract that contains Radix Tinosporae and Canarii fructus in proportions according to a longstanding formula have a good effect on the prevention and treatment of gastric ulcer disease. It has not been through safety through systematic toxicological studies, however. To provide basis for clinical application, we performed safety pharmacology and subchronic toxicity experiments in specific pathogen-free Sprague-Dawley rats. RESULTS: In safety pharmacology experiments, Jinqing granules had no evident adverse effects on the central nervous, cardiovascular, or respiratory systems...
June 17, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28621732/lipid-accumulation-in-hepg2-cells-is-attenuated-by-strawberry-extract-through-ampk-activation
#19
Tamara Y Forbes-Hernández, Francesca Giampieri, Massimiliano Gasparrini, Sadia Afrin, Luca Mazzoni, Mario D Cordero, Bruno Mezzetti, José L Quiles, Maurizio Battino
Regulation of lipid metabolism is essential for treatment and prevention of several chronic diseases such as obesity, diabetes, and cardiovascular diseases, which are responsible for most deaths worldwide. It has been demonstrated that the AMP-activated protein kinase (AMPK) has a direct impact on lipid metabolism by modulating several downstream-signaling components. The main objective of the present work was to evaluate the in vitro effect of a methanolic strawberry extract on AMPK and its possible repercussion on lipid metabolism in human hepatocellular carcinoma cells (HepG2)...
June 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28620841/device-based-approaches-for-the-treatment-of-arterial-hypertension
#20
REVIEW
Jens Jordan
Device-based antihypertensive treatments have primarily been developed and clinically tested for patients with hypertension refractory to pharmacological treatment. Most but not all device-based treatments target the sympathetic nervous system and provided important new insight in the mechanisms of human hypertension. This review provides an overview on the scientific rational and clinical data on recent device-based antihypertensive treatment approaches. Device-based treatments targeting the sympathetic nervous system include catheter-based renal nerve ablation, electrical carotid sinus stimulation, modulation of baroreflex transduction through a dedicated carotid stent, carotid body denervation, and deep brain stimulation...
July 2017: Current Hypertension Reports
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