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https://www.readbyqxmd.com/read/28098353/the-role-of-various-peroxisome-proliferator-activated-receptors-and-their-ligands-in-clinical-practice
#1
REVIEW
Giuseppe Derosa, Amirhossein Sahebkar, Pamela Maffioli
Peroxisome proliferator-activated receptors (PPARs) are ligand-activated transcription factors involved in several physiological processes including modulation of cellular differentiation, development, metabolism of carbohydrates, lipids, proteins, and tumorigenesis. The aim of this review is to examine how different PPAR ligands act, and discuss their use in clinical practice. PPAR ligands have a lot of effects and applications in clinical practice. Some PPAR ligands such as fibrates (PPAR-α ligands) are currently used for the treatment of dyslipidemia, while pioglitazone and rosiglitazone (PPAR-γ ligands) are anti-diabetic and insulin-sensitizing agents...
January 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28097803/regulation-of-mrna-following-brain-ischemia-and-reperfusion
#2
REVIEW
Donald J DeGracia
There is growing appreciation that mRNA regulation plays important roles in disease and injury. mRNA regulation and ribonomics occur in brain ischemia and reperfusion (I/R) following stroke and cardiac arrest and resuscitation. It was recognized over 40 years ago that translation arrest (TA) accompanies brain I/R and is now recognized as part of the intrinsic stress responses triggered in neurons. However, neuron death correlates to a prolonged TA in cells fated to undergo delayed neuronal death (DND). Dysfunction of mRNA regulatory processes in cells fated to DND prevents them from translating stress-induced mRNAs such as heat shock proteins...
January 17, 2017: Wiley Interdisciplinary Reviews. RNA
https://www.readbyqxmd.com/read/28097735/autoimmune-enteropathy-and-hepatitis-in-pediatric-heart-transplant-recipient
#3
Kimberly Lewis, Ryan Butts, J Antonio Quiros, Michelle Hudspeth, Katherine Twombley, Andrew Savage, Sally Self, Ali Burnette, Shaoli Sun
AIE is a rare disorder in children that presents with severe diarrhea and malabsorption, caused by immune-mediated damage to intestinal mucosa. AIE is often associated with various syndromes of immunodeficiency including IPEX syndrome (immune dysregulation, polyendocrinopathy and enteropathy, X-linked). Dysfunctional T regulatory cells are the source of pathology in both IPEX syndrome and AIE as they are essential in maintaining tolerance to self-antigens and eliminating autoreactive B cells. This case report describes a 10-year-old cardiac transplant and total thymectomy patient on chronic immunosuppression with tacrolimus that presented with AIE and extraintestinal manifestations of cyclical hepatitis...
January 17, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28097232/vps34-regulates-myofibril-proteostasis-to-prevent-hypertrophic-cardiomyopathy
#4
Hirotaka Kimura, Satoshi Eguchi, Junko Sasaki, Keiji Kuba, Hiroki Nakanishi, Shunsuke Takasuga, Masakazu Yamazaki, Akiteru Goto, Hiroyuki Watanabe, Hiroshi Itoh, Yumiko Imai, Akira Suzuki, Noboru Mizushima, Takehiko Sasaki
Hypertrophic cardiomyopathy (HCM) is a common heart disease with a prevalence of 1 in 500 in the general population. Several mutations in genes encoding cardiac proteins have been found in HCM patients, but these changes do not predict occurrence or prognosis and the molecular mechanisms underlying HCM remain largely elusive. Here we show that cardiac expression of vacuolar protein sorting 34 (Vps34) is reduced in a subset of HCM patients. In a mouse model, muscle-specific loss of Vps34 led to HCM-like manifestations and sudden death...
January 12, 2017: JCI Insight
https://www.readbyqxmd.com/read/28096844/influence-of-an-extended-education-program-on-the-knowledge-of-cardiovascular-risk-factors-among-subjects-undergoing-rehabilitation-following-acute-coronary-syndrome
#5
Wojciech S Kapko, Łukasz J Krzych
INTRODUCTION: Health education is a component of complex cardiac rehabilitation (CCR). AIM: To evaluate the influence of an authorial extended educational program on the knowledge of cardiovascular risk factors among subjects undergoing early in-hospital rehabilitation following acute coronary syndrome treated with percutaneous intervention. MATERIAL AND METHODS: This prospective study covered 205 consecutive subjects (153 men and 52 women, aged 62 ±9 years) undergoing CCR...
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28096195/the-multifunctional-mitochondrial-epac1-controls-myocardial-cell-death
#6
Loubina Fazal, Marion Laudette, Sílvia Paula-Gomes, Sandrine Pons, Caroline Conte, Florence Tortosa, Pierre Sicard, Yannis Sainte-Marie, Malik Bisserier, Olivier Lairez, Alexandre Lucas, Jérôme Roy, Bijan Ghaleh, Jeremy Fauconnier, Jeanne Mialet-Perez, Frank Lezoualc'h
RATIONALE: Although the second messenger cyclic AMP (cAMP) is physiologically beneficial in the heart, it largely contributes to cardiac disease progression when dysregulated. Current evidence suggests that cAMP is produced within mitochondria. However, mitochondrial cAMP signaling and its involvement in cardiac pathophysiology are far from being understood. OBJECTIVE: To investigate the role of mitochondrial exchange protein directly activated by cAMP 1 (MitEpac1) in ischemia/reperfusion (I/R) injury...
January 17, 2017: Circulation Research
https://www.readbyqxmd.com/read/28096098/avoiding-untimely-implantable-cardioverter-defibrillator-implantation-by-intensified-heart-failure-therapy-optimization-supported-by-the-wearable-cardioverter-defibrillator-the-prolong-study
#7
David Duncker, Thorben König, Stephan Hohmann, Johann Bauersachs, Christian Veltmann
BACKGROUND: Optimal timing of implantation of an implantable cardioverter/defibrillator (ICD) after newly diagnosed heart failure is unclear given that late reverse remodelling may occur. We aimed to analyze left ventricular ejection fraction (LVEF) after diagnosis of an LVEF ≤35% during optimization of heart failure drug therapy. METHODS AND RESULTS: One hundred fifty-six patients with newly diagnosed LVEF ≤35% receiving a wearable cardioverter/defibrillator (WCD) were analyzed...
January 17, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28096047/cellular-basis-of-angiotensin-1-7-induced-augmentation-of-left-ventricular-functional-performance-in-heart-failure
#8
Xiaowei Zhang, Heng-Jie Cheng, Peng Zhou, Dalane W Kitzman, Carlos M Ferrario, Wei-Min Li, Che Ping Cheng
BACKGROUND: Angiotensin-(1-7) [Ang-(1-7)] exhibits cardiovascular effects opposite those of angiotensin II (Ang II), thus providing protection against heart disease. However, how Ang-(1-7) imparts cardioprotection is unclear, and its direct cardiac effects are controversial. Whether heart failure (HF) alters cardiac contractile responses to Ang-(1-7) remains undetermined. We tested the hypothesis that in HF, Ang-(1-7) may produce positive modulation on [Ca(2+)]i regulation, enhancing left ventricular (LV) and myocyte contraction and relaxation via Ang-(1-7) Mas receptor coupled with nitric oxide (NO)/bradykinin (BK)-mediated mechanism...
January 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28094679/a-retrospective-analysis-of-a-pediatric-tele-echocardiography-service-to-treat-triage-and-reduce-trans-pacific-transport
#9
Christopher A Rouse, Brandon T Woods, C Becket Mahnke
Introduction Tele-echocardiography can ensure prompt diagnosis and prevent the unnecessary transport of infants without critical congenital heart disease, particularly at isolated locations lacking access to tertiary care medical centers. Methods We retrospectively reviewed all infants who underwent tele-echocardiography at a remote 16-bed level IIIB NICU from June 2005 to March 2014. Tele-echocardiograms were completed by cardiac sonographers in Okinawa, Japan, and transmitted asynchronously for review by pediatric cardiologists in Hawaii...
January 1, 2017: Journal of Telemedicine and Telecare
https://www.readbyqxmd.com/read/28094128/lessons-from-contemporary-trials-of-cardiovascular-prevention-and-rehabilitation-a-systematic-review-and-meta-analysis
#10
Gijs van Halewijn, Jaap Deckers, Hung Yong Tay, Ron van Domburg, Kornelia Kotseva, David Wood
BACKGROUND: Meta-analyses of cardiac rehabilitation trials up to 2010 showed a significant reduction in all-cause mortality but many of these trials were conducted before the modern management of acute coronary syndromes. METHODS: We undertook a meta-analysis of contemporary randomised controlled trials published in the period 2010 to 2015, including patients with other forms of atherosclerotic cardiovascular disease, to investigate the impact of cardiovascular prevention and rehabilitation on hard outcomes including survival...
December 23, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28093988/adherence-to-secondary-prophylaxis-for-acute-rheumatic-fever-and-rheumatic-heart-disease-a-systematic-review
#11
Priya Minaxi Kevat, Benjamin M Reeves, Alan R Ruben, Ronny Gunnarsson
BACKGROUND: Optimal delivery of regular benzathine penicillin G (BPG) injections prescribed as secondary prophylaxis for acute rheumatic fever (ARF) and rheumatic heart disease (RHD) is vital to preventing disease morbidity and cardiac sequelae in affected pediatric and young adult populations. However, poor uptake of secondary prophylaxis remains a significant challenge to ARF/RHD control programs. OBJECTIVE: In order to facilitate better understanding of this challenge and thereby identify means to improve service delivery, this systematic literature review explored rates of adherence and factors associated with adherence to secondary prophylaxis for ARF and RHD worldwide...
January 16, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28092839/effect-and-mechanism-of-sorbus-pohuashanensis-hante-hedl-flavonoids-protect-against-arsenic-trioxide-induced-cardiotoxicity
#12
Xiaojin Yu, Zhenyu Wang, Zunpeng Shu, Zhengqing Li, Yuan Ning, Keli Yun, Haina Bai, Ruihai Liu, Wenli Liu
The cardiotoxicity of arsenic trioxide (ATO) limits its clinical application in cancer treatment. Evidences suggest that sorbus has antioxidant activity and its consumption has been linked with improved cardioprotection. In this study, we investigated the cardio-protective effect and mechanisms of Sorbus pohuashanensis (Hante) Hedl. flavonoids (SPF) against ATO in BALB/c mice and H9c2 cells. Eleven major flavonoids were confirmed by ultra-performance liquid chromatography electrospray ionization quadrupole time of flight mass spectrometry (UPLC-ESI-Q-TOF-MS)...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28092472/using-biomarkers-to-predict-and-to-prevent-cardiotoxicity-of-cancer-therapy
#13
Daniela Cardinale, Gina Biasillo, Michela Salvatici, Maria Teresa Sandri, Carlo Maria Cipolla
Cardiotoxicity is a common complication that may compromise the clinical effectiveness of anticancer therapy. The current standard for monitoring cardiac function detects cardiotoxicity only when a functional impairment has already occurred, not allowing for any early preventive strategy. Areas covered: A novel approach, based on the use of biomarkers has recently emerged, resulting in a very effective tool for early, real-time identification, and monitoring of cardiotoxicity. In particular, cardiac troponin elevation during chemotherapy allows to identify patients more prone to develop myocardial dysfunction and cardiac events...
January 16, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28091972/-secondary-prevention-with-antiplatelet-therapy-in-cardiac-rehabilitation
#14
Maria M Wanitschek, Hannes F Alber
The long-term increased cardiovascular risk of patients with an acute coronary syndrome (ACS) is a challenging and common clinical problem. Recent evidence demonstrated an ischemic benefit for a prolonged dual antiplatelet therapy beyond the initial 12 months at the cost of an increased bleeding risk. Individual, careful and repeated risk-benefit analyses are essential for an optimized patient management in which cardiovascular rehabilitation providers may play a central role.
January 13, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28091942/all-trans-retinoic-acid-supplementation-prevents-cardiac-fibrosis-and-cytokines-induced-by-methylglyoxal
#15
Umadevi Subramanian, Devipriya Nagarajan
Methylglyoxal (MG), a metabolic intermediate of glycolysis is a precursor for endogeneous production of advanced glycation end-products. The increased production of MG have negative influence over the structure and function of different biomolecules and thus plays an important role in the pathogenesis of diabetic cardiac complications. Retinoic acid (RA), an active metabolite of vitamin A, has a major role in preventing cardiac remodeling and ventricular fibrosis. Hence, the objective of the present study was to determine whether rats administered with all-trans retinoic acid (RA) could attenuate MG induced pathological effects...
January 14, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/28091919/effects-of-deltorphin-ii-and-its-retroenantio-analog-on-cardiac-tolerance-to-ischemia-and-reperfusion
#16
A V Mukhomedzyanov, L N Maslov, M V Ovchinnikov, M V Sidorova, J M Pei, S Yu Tsibul'nikov, A V Tsepokina, M V Khutornaya, A G Kutikhin
Selective agonist of δ2-opioid receptors deltorphin II and its retroenantio analog (0.12 mg/kg intravenously) were preventively injected to male Wistar rats 15 min prior to 45-min coronary occlusion or 5 min before 120-min reperfusion. Administration of deltorphin II before artery occlusion and before reperfusion decreased the infarct size/area at risk ratio. Deltorphin II prevented the appearance of ischemia-provoked ventricular arrhythmias and exerted no effect on HR and BP (systolic and diastolic). The retroenantio analog of deltorphin II produced no antiarrhythmic or infarct-limiting effects, but reduced HR without affecting BP...
January 14, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091794/the-impact-of-liver-disorders-on-perioperative-management-of-reoperative-cardiac-surgery-a-retrospective-study-in-adult-congenital-heart-disease-patients
#17
Koko Adachi, Hiroaki Toyama, Yu Kaiho, Osamu Adachi, Hiroto Hudeta, Masanori Yamauchi
PURPOSE: We evaluated the preoperative prevalence of risk factors for liver disorders and the relationship between the liver disorders and perioperative outcomes in adult congenital heart disease (ACHD) patients. METHODS: This retrospective study included 32 ACHD patients who underwent reoperative cardiac surgery. RESULTS: Preoperatively, 38% of the study patients had risk factors, including congestive liver (CL) due to right heart failure (31%), chronic hepatitis C (HC) (22%), and both CL and HC (16%)...
January 16, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28091358/a-survey-of-exercise-advice-and-recommendations-in-united-kingdom-paediatric-cardiac-clinics
#18
Craig A Williams, Lucy Gowing, Richard Horn, Alan Graham Stuart
BACKGROUND: Physical activity and exercise have important health benefits for children and adolescents with CHD. The objective of this study was to survey the provision of advice and recommendations in United Kingdom paediatric CHD clinics. METHODS: A three-page questionnaire was sent out to paediatric cardiac consultants in the United Kingdom, paediatric consultants with expertise in cardiology, and nursing staff (Paediatricians with Expertise in Cardiology Special Interest Group), as well as all members of the British Congenital Cardiovascular Association...
January 16, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28090637/diltiazem-prevents-stress-induced-contractile-deficits-in-cardiomyocytes-but-does-not-reverse-the-cardiomyopathy-phenotype-in-mybpc3-knock-in-mice
#19
Frederik Flenner, Birgit Geertz, Silke Reischmann-Düsener, Florian Weinberger, Thomas Eschenhagen, Lucie Carrier, Felix W Friedrich
Left ventricular hypertrophy, diastolic dysfunction and fibrosis are main features of hypertrophic cardiomyopathy (HCM). Guidelines recommend β-adrenoceptor or Ca(2+) channel antagonists as pharmacological treatment. The Ca(2+) channel blocker diltiazem recently showed promising beneficial effects in pre-clinical HCM, particularly in patients carrying MYBPC3 mutations. In the present study we evaluated whether diltiazem could ameliorate or reverse the disease phenotype in cells and in vivo in Mybpc3-targeted knock-in (KI) mouse model of HCM...
January 15, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28090040/outcomes-of-brugada-syndrome-patients-with-coronary-artery-vasospasm
#20
Shingo Kujime, Harumizu Sakurada, Naoki Saito, Yoshinari Enomoto, Naoshi Ito, Keijiro Nakamura, Seiji Fukamizu, Tamotsu Tejima, Yuzuru Yambe, Mitsuhiro Nishizaki, Mahito Noro, Masayasu Hiraoka, Kaoru Sugi
Objective To evaluate the outcomes of patients with concomitant Brugada syndrome and coronary artery vasospasm. Methods Patients diagnosed with Brugada syndrome with an implantable cardiac defibrillator were retrospectively investigated, and the coexistence of vasospasm was evaluated. The clinical features and outcomes were evaluated, especially in patients with coexistent vasospasm. A provocation test using acetylcholine was performed in patients confirmed to have no organic stenosis on percutaneous coronary angiography to confirm the presence of vasospasm...
2017: Internal Medicine
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