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Cardioprotection

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https://www.readbyqxmd.com/read/28102848/statins-in-anthracycline-induced-cardiotoxicity-rac-and-rho-and-the-heartbreakers
#1
REVIEW
Christian Henninger, Gerhard Fritz
Cancer patients receiving anthracycline-based chemotherapy are at risk to develop life-threatening chronic cardiotoxicity with the pathophysiological mechanism of action not fully understood. Besides the most common hypothesis that anthracycline-induced congestive heart failure (CHF) is mainly caused by generation of reactive oxygen species, recent data point to a critical role of topoisomerase II beta (TOP2B), which is a primary target of anthracycline poisoning, in the pathophysiology of CHF. As the use of the only clinically approved cardioprotectant dexrazoxane has been limited by the FDA in 2011, there is an urgent need for alternative cardioprotective measures...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28101742/melatonin-as-an-agent-for-cardioprotection-in-patients-with-st-elevation-myocardial-infarction-and-short-ischaemic-time
#2
EDITORIAL
Alberto Dominguez-Rodriguez, Pedro Abreu-Gonzalez, Russel J Reiter
No abstract text is available yet for this article.
January 18, 2017: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/28101569/resveratrol-inhibits-adventitial-fibroblast-proliferation-and-induces-cell-apoptosis-through-the-sirt1-pathway
#3
Lin Ling, Shaohua Gu, Yan Cheng
Atherosclerosis is one of the most important causes of cardiovascular disease and studies have showed that adventitial fibroblasts, which are considered to be the most common cell type of the vascular adventitia, are involved in the development of early atherosclerotic plaques. Resveratrol is a plant polyphenolic compound confirmed to have anti‑atherosclerotic and cardioprotective effects. The aim of the present study was to investigate the effects of resveratrol on adventitial fibroblasts in vitro and to clarify the underlying mechanism...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28101167/protective-approaches-against-myocardial-ischemia-reperfusion-injury
#4
Xianchi Li, Min Liu, Rongrong Sun, Yi Zeng, Shuang Chen, Peiying Zhang
Myocardial ischemia-reperfusion is the leading cause for the events of cardiovascular disease, and is considered as a major contributor to the morbidity and mortality associated with coronary occlusion. The myocardial damage caused by ischemia-reperfusion injury constitutes the primary pathological manifestation of coronary artery disease. It results from the interaction between the substances that accumulate during ischemia and those that are delivered on reperfusion. The level of this damage can range from a small insult resulting in limited myocardial damage to a large injury culminating in myocyte death...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28101033/maximizing-the-benefit-cost-ratio-of-anthracyclines-in-metastatic-breast-cancer-case-report-of-a-patient-with-a-complete-response-to-high-dose-doxorubicin
#5
Kevin Shee, Alan T Kono, Susan P D'Anna, Mark A Seltzer, Xiaoying Lu, Todd W Miller, Mary D Chamberlin
Despite the clinical efficacy of anthracycline agents such as doxorubicin, dose-limiting cardiac toxicities significantly limit their long-term use. Here, we present the case of a 33-year-old female patient with extensive metastatic ER+/PR+/HER2- mucinous adenocarcinoma of the breast, who was started on doxorubicin/cyclophosphamide therapy after progressing on paclitaxel and ovarian suppressor goserelin with aromatase inhibitor exemestane. The patient was comanaged by cardiology, who carefully monitored measures of cardiac function, including EKGs, serial echocardiograms, and profiling of lipids, troponin, and pro-BNP every 2 months...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28100918/cardioprotective-effects-of-sglt2-inhibitors-are-possibly-associated-with-normalization-of-the-circadian-rhythm-of-blood-pressure
#6
REVIEW
Asadur Rahman, Hirofumi Hitomi, Akira Nishiyama
Improvement in cardiovascular (CV) morbidity and mortality in the EMPA-REG OUTCOME study provides new insight into the therapeutic use of sodium-dependent glucose cotransporter 2 (SGLT2) inhibitors in patients with type 2 diabetes. Although SGLT2 inhibitors have several pleiotropic effects, the underlying mechanism responsible for their cardioprotective effects remains undetermined. In this regard, the absence of a nocturnal fall in blood pressure (BP), that is, non-dipping BP, is a common phenomenon in type 2 diabetes and has a crucial role in the pathogenesis of CV morbidity and mortality...
January 19, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28100487/doxorubicin-induced-nitrosative-stress-is-mitigated-by-vitamin-c-via-the-modulation-of-nitric-oxide-synthases
#7
Gauri Akolkar, Ashim K Bagchi, Prathapan Ayyappan, Davinder S Jassal, Pawan K Singal
An increase in oxidative stress is suggested to be the main cause in Doxorubicin (Dox) -induced cardiotoxicity. However, there is now evidence that activation of inducible nitric oxide synthase (iNOS) and nitrosative stress are also involved. The role of Vitamin C (Vit C) in the regulation of nitric oxide synthase (NOS) and reduction of nitrosative stress in Dox-induced cardiotoxicity is unknown. The present study investigated the effects of Vit C in the mitigation of Dox-induced changes in the levels of nitric oxide (NO), NOS activity, protein expression of NOS isoforms and nitrosative stress as well as cytokines TNFα and IL-10 in isolated cardiomyocytes...
January 18, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28099680/novel-putative-pharmacologic-therapies-to-protect-the-right-ventricle-in-pulmonary-hypertension-a-review-of-current-literature
#8
REVIEW
Gerald J Maarman, Rainer Schulz, Karen Sliwa, Ralph Schermuly, Sandrine Lecour
Pulmonary hypertension (PH) is defined by elevated mean pulmonary artery pressure following the pathologic remodelling of small pulmonary arteries. An increase in right ventricular (RV) afterload results in RV hypertrophy and RV failure. The pathophysiology of PH, and RV remodelling in particular, are not well understood, thus explaining, at least in part, why current PH therapies have a limited effect. Existing therapies mostly target the pulmonary circulation. Because the remodelled RV fails to support normal cardiac function, patients eventually succumb from RV failure...
January 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28098423/brain-derived-neurotrophic-factor-attenuates-doxorubicin-induced-cardiac-dysfunction-through-activating-akt-signalling-in-rats
#9
Pengzhou Hang, Jing Zhao, Li Sun, Minghui Li, Yu Han, Zhimin Du, Yue Li
The clinical application of doxorubicin (Dox) is limited by its adverse effect of cardiotoxicity. Previous studies have suggested the cardioprotective effect of brain-derived neurotrophic factor (BDNF). We hypothesize that BDNF could protect against Dox-induced cardiotoxicity. Sprague Dawley rats were injected with Dox (2.5 mg/kg, 3 times/week, i.p.), in the presence or absence of recombinant BDNF (0.4 μg/kg, i.v.) for 2 weeks. H9c2 cells were treated with Dox (1 μM) and/or BDNF (400 ng/ml) for 24 hrs. Functional roles of BDNF against Dox-induced cardiac injury were examined both in vivo and in vitro...
November 7, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28097372/the-role-of-neuropeptides-in-adverse-myocardial-remodeling-and-heart-failure
#10
REVIEW
Alexander Widiapradja, Prasad Chunduri, Scott P Levick
In addition to traditional neurotransmitters of the sympathetic and parasympathetic nervous systems, the heart also contains numerous neuropeptides. These neuropeptides not only modulate the effects of neurotransmitters, but also have independent effects on cardiac function. While in most cases the physiological actions of these neuropeptides are well defined, their contributions to cardiac pathology are less appreciated. Some neuropeptides are cardioprotective, some promote adverse cardiac remodeling and heart failure, and in the case of others their functions are unclear...
January 17, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28097005/the-cardioprotective-efficacy-of-tvp1022-against-ischemia-reperfusion-injury-and-cardiac-remodeling-in-rats
#11
Assaf Malka, Offir Ertracht, Noa Bachner-Hinenzon, Irina Reiter, Ofer Binah
Following acute myocardial infarction (MI), early and successful reperfusion is the most effective strategy for reducing infarct size and improving the clinical outcome. However, immediate restoration of blood flow to the ischemic zone results in myocardial damage, defined as "reperfusion-injury". Whereas we previously reported that TVP1022 (the S-isomer of rasagiline, FDA-approved anti-Parkinson drug) decreased infarct size 24 h post ischemia reperfusion (I/R) in rats, in this study we investigated the chronic cardioprotective efficacy of TVP1022 14 days post-I/R...
December 2016: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28096047/cellular-basis-of-angiotensin-1-7-induced-augmentation-of-left-ventricular-functional-performance-in-heart-failure
#12
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/28095936/how-expensive-is-a-cardioprotective-diet-analysis-from-the-cressida-study
#13
Dianne P Reidlinger, Thomas Ab Sanders, Louise M Goff
OBJECTIVE: To determine whether a cardioprotective dietary intervention based on UK dietary guidelines was more expensive than a conventional UK diet. DESIGN: Cost analysis of food records collected at baseline and after a 12-week dietary intervention of a cardioprotective diet v. conventional UK diet. SETTING: A randomized controlled dietary intervention study (CRESSIDA; ISRCTN 92382106) investigating the impact of following a diet consistent with UK dietary guidelines on CVD risk...
January 18, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28094271/basic-research-cardioprotective-benefits-of-dietary-spermidine
#14
Karina Huynh
No abstract text is available yet for this article.
January 17, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28094128/lessons-from-contemporary-trials-of-cardiovascular-prevention-and-rehabilitation-a-systematic-review-and-meta-analysis
#15
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/28093764/pre-ischemic-mitochondrial-substrate-constraint-by-inhibition-of-malate-aspartate-shuttle-preserves-mitochondrial-function-after-ischemia-reperfusion
#16
Nichlas Riise Jespersen, Takashi Yokota, Nicolaj Brejnholt Støttrup, Andreas Bergdahl, Kim Bolther Paelestik, Jonas Agerlund Povlsen, Flemming Dela, Hans Erik Bøtker
Mitochondrial dysfunction plays a central role in ischemia-reperfusion (IR) injury. The pre-ischemic administration of aminooxyacetate (AOA), an inhibitor of the malate-aspartate shuttle (MAS), provides cardioprotection against IR injury, but the underlying mechanism remains unknown. We hypothesized that a transient inhibition of the MAS during ischemia and early reperfusion could preserve mitochondrial function at later phase of reperfusion in IR-injured heart to the same extent as ischemic preconditioning (IPC), which is a well-validated cardioprotective strategy against IR injury...
January 17, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28093038/metabonomic-strategy-to-the-evaluation-of-chinese-medicine-salvia-miltiorrhiza-and-dalbergia-odorifera-interfering-myocardial-ischemia-reperfusion-injury-in-rats
#17
Fei Mu, Jialin Duan, Haixu Bian, Xiaohu Zhai, Peijin Shang, Rui Lin, Meina Zhao, Dongmei Hu, Ying Yin, Aidong Wen, Miaomiao Xi
Extract of Salvia miltiorrhiza and Dalbergia Odorifera (SM-DOO) has been traditionally used for the prevention and treatment of cardiovascular diseases. However, information regarding the pharmacodyamic material basis and potential mechanism remain unknown. Male Sprague-Dawley rats were divided into four groups: Sham, Model, Diltiazem and SM-DOO group, n=6. Rats were pretreated with homologous drugs for 7 days, then subjected to 30 min of ischemia followed by 180 min of reperfusion. Cardioprotection effects of SM-DOO on myocardial ischemia/reperfusion (MI/R) injury rats were examined by hemodynamic, infarct area, histopathology, biochemical indicators and western blot analysis...
January 16, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28092839/effect-and-mechanism-of-sorbus-pohuashanensis-hante-hedl-flavonoids-protect-against-arsenic-trioxide-induced-cardiotoxicity
#18
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
#19
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/28091727/intrinsic-cardiac-ganglia-and-acetylcholine-are-important-in-the-mechanism-of-ischaemic-preconditioning
#20
J M J Pickard, N Burke, S M Davidson, D M Yellon
This study aimed to investigate the role of the intrinsic cardiac nervous system in the mechanism of classical myocardial ischaemic preconditioning (IPC). Isolated perfused rat hearts were subjected to 35-min regional ischaemia and 60-min reperfusion. IPC was induced as three cycles of 5-min global ischaemia-reperfusion, and provided significant reduction in infarct size (IS/AAR = 14 ± 2% vs control IS/AAR = 48 ± 3%, p < 0.05). Treatment with the ganglionic antagonist, hexamethonium (50 μM), blocked IPC protection (IS/AAR = 37 ± 7%, p < 0...
March 2017: Basic Research in Cardiology
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