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Cardiotoxicity

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https://www.readbyqxmd.com/read/28092839/effect-and-mechanism-of-sorbus-pohuashanensis-hante-hedl-flavonoids-protect-against-arsenic-trioxide-induced-cardiotoxicity
#1
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
#2
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/28087064/effect-of-cyp2d6-polymorphisms-on-the-pharmacokinetics-of-propafenone-and-its-two-main-metabolites
#3
Mohammad-Reza Rouini, Minoo Afshar
AIM OF THE STUDY: Propafenone (PPF) is an antiarrhythmic drug, metabolized mainly by CYP2D6 to 5-hydroxypropafenone (5OH-PPF) and by CYP3A4 to norpropafenone (NOR-PPF). CYP2D6 shows a high degree of genetic polymorphism which is associated with diminished antiarrhythmic efficacy or cardiac seizures/cardiotoxicity. This study aimed to investigate the effect of the CYP2D6 polymorphism on the pharmacokinetics of PPF and its two main metabolites. The usefulness of PPF/5OH-PPF ratio for CYP2D6 phenotyping in healthy adults was also evaluated...
December 19, 2016: Thérapie
https://www.readbyqxmd.com/read/28079007/novel-therapies-targeting-cardioprotection-and-regeneration
#4
Valeria Garrido, Evelyn Mendoza-Torres, Jaime A Riquelme, Ariel Díaz, Marcela Pizarro, Mario Bustamante, Myra N Chavez, María Paz Ocaranza, Rosemarie Mellado, Ramon Corbalan, Miguel L Allende, Sergio Lavandero
Cardiovascular disease is the leading cause of death worldwide. The heart is susceptible to pathologies that impact the myocardium directly, such myocardial infarction and consequent heart failure, as well as conditions with indirect cardiac effects, such cancer treatment-related cardiotoxicity. As the contractile cells of the heart, cardiomyocytes are essential for normal cardiac function. Various stress stimuli may result in transient damage or cell death in cardiomyocytes through apoptosis, necrosis or maladaptive autophagy...
January 12, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28078076/sex-dependent-alteration-of-cardiac-cytochrome-p450-gene-expression-by-doxorubicin-in-c57bl-6-mice
#5
Marianne K O Grant, Davis M Seelig, Leslie C Sharkey, Beshay N Zordoky
BACKGROUND: There is inconclusive evidence about the role of sex as a risk factor for doxorubicin (DOX)-induced cardiotoxicity. Recent experimental studies have shown that adult female rats are protected against DOX-induced cardiotoxicity. However, the mechanisms of this sexual dimorphism are not fully elucidated. We have previously demonstrated that DOX alters the expression of several cytochrome P450 (CYP) enzymes in the hearts of male rats. Nevertheless, the sex-dependent effect of DOX on the expression of CYP enzymes is still not known...
2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28074721/-capecitabine-induced-ventricular-fibrillation
#6
A V van Capelle, J de Valk, D Schakenraad, T Germans, D Ten Oever
BACKGROUND: Capecitabine is an orally-administered chemotherapeutic agent used in the treatment of colorectal, gastric and breast carcinoma. Capecitabine has relatively mild side effects. Less known are its potential severe cardiotoxic effects. CASE DESCRIPTION: We report a case of a 61-year-old man recently diagnosed with rectal cancer. Six days after starting with capecitabine, he developed a cardiac arrest due to ventricular fibrillation (VF). Extensive additional diagnostics did not explain the cardiac arrest nor VF...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28073687/adverse-event-detection-using-the-fda-post-marketing-drug-safety-surveillance-system-cardiotoxicity-associated-with-loperamide-abuse-and-misuse
#7
Kimberley A Swank, Eileen Wu, Cindy Kortepeter, Jana McAninch, Robert L Levin
OBJECTIVE: The purpose of this investigation was to identify and characterize post-marketing reports of cardiotoxicity, including torsades de pointes (TdP), associated with loperamide use. METHODS: We searched the U.S. Food and Drug Administration Adverse Event Reporting System (FAERS) database for post-marketing reports of serious cardiac adverse events associated with loperamide use from December 28, 1976 (U.S. drug approval date), through December 14, 2015. We also conducted a Pubmed and Google Scholar search to identify additional published reports of cardiotoxicity associated with loperamide in the medical literature through February 11, 2016...
January 7, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28073063/self-assembled-micelles-based-on-chondroitin-sulfate-poly-d-l-lactideco-glycolide-block-copolymers-for-doxorubicin-delivery
#8
Hui Zhang, Jiangkang Xu, Liang Xing, Jianbo Ji, Aihua Yu, Guangxi Zhai
Doxorubicin (DOX) is one of the most common chemotherapeutic agents for the treatment of various cancers, but its clinical usage is limited by dose-dependent cardiotoxicity. We have recently synthesized a series of Chondroitin sulfate/poly (d,l-lactideco-glycolide) block copolymers (Chs-b-PLGA) with different length of hydrophobic block by an end-to-end coupling strategy. The structure of the amphiphilic block copolymers with low critical micelle concentration (∼28mg/L) were confirmed by (1)H NMR. The copolymers could self-assemble into stable micelles in aqueous environment with homogeneous size distribution and negative zeta potential...
December 23, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28072830/protective-effects-of-dexrazoxane-against-doxorubicin-induced-cardiotoxicity-a-metabolomic-study
#9
Yang QuanJun, Yang GenJin, Wan LiLi, Han YongLong, Huo Yan, Li Jie, Huang JinLu, Lu Jin, Gan Run, Guo Cheng
Cardioprotection of dexrazoxane (DZR) against doxorubicin (DOX)-induced cardiotoxicity is contentious and the indicator is controversial. A pairwise comparative metabolomics approach was used to delineate the potential metabolic processes in the present study. Ninety-six BALB/c mice were randomly divided into two supergroups: tumor and control groups. Each supergroup was divided into control, DOX, DZR, and DOX plus DZR treatment groups. DOX treatment resulted in a steady increase in 5-hydroxylysine, 2-hydroxybutyrate, 2-oxoglutarate, 3-hydroxybutyrate, and decrease in glucose, glutamate, cysteine, acetone, methionine, asparate, isoleucine, and glycylproline...
2017: PloS One
https://www.readbyqxmd.com/read/28071613/clinical-and-pathologic-response-following-taxane-based-neoadjuvant-chemotherapy-in-locally-advanced-breast-cancer-patients-in-a-tertiary-care-centre-in-india
#10
Masillamany Sivasanker, S C Sistla, S Ali Manwar, S Vivekanandam
BACKGROUND: Neoadjuvant chemotherapy has become the standard recommendation in the management of patients with locally advanced breast cancer. At present anthracycline based regimen such as CAF (cyclophosphamide, adriamycin and 5-FU) is widely used in clinical practice. The introduction of taxanes has revolutionized this field because of superior results. AIMS AND OBJECTIVES: This study is designed to compare the efficacy of paclitaxel plus doxorubicin regimen and CAF (cyclophosphamide, doxorubicin and 5-fluorouracil) regimen as neoadjuvant treatment of locally advanced breast cancer and to compare their toxicity profiles and also to correlate the hormonal receptor status in predicting response to the NACT...
April 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28069985/high-throughput-imaging-of-cardiac-microtissues-for-the-assessment-of-cardiac-contraction-during-drug-discovery
#11
Amy Pointon, James Pilling, Thierry Dorval, Yinhai Wang, Caroline Archer, Christopher Pollard
Cardiotoxicity is a common cause of attrition in preclinical and clinical drug development. Current in vitro approaches have two main limitations, they either are limited to low throughput methods not amendable to drug discovery or lack the physiological responses to allow an integrated risk assessment. A human 3D cardiac microtissue containing human-induced pluripotent stem cell-derived cardiomyocytes (hiPS-CMs), cardiac endothelial cells and cardiac fibroblast were used to assess their suitability to detect drug induced changes in cardiomyocyte contraction...
November 15, 2016: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28069395/rutin-attenuates-doxorubicin-induced-cardiotoxicity-via-regulating-autophagy-and-apoptosis
#12
Yanyan Ma, Lifang Yang, Jipeng Ma, Linhe Lu, Xiaowu Wang, Jun Ren, Jian Yang
Doxorubicin as anticancer agent can cause dose-dependent cardiotoxicity and heart failure in the long term. Rutin as a polyphenolic flavonoid has been illustrated to protect hearts from diverse cardiovascular diseases. Its function is known to be related to its antioxidant and antiinflammatory activity which may regulate multiple cellular signal pathways. However, the role of rutin on doxorubicin-induced cardiotoxicity has yet to be discovered. In this study, we explored the protective role of rutin on doxorubicin-induced heart failure and elucidated the potential mechanisms of protective effects of rutin against cardiomyocyte death...
January 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28066861/the-incidence-of-cardiomyopathy-in-brca1-and-brca2-mutation-carriers-after-anthracycline-based-adjuvant-chemotherapy
#13
Edward J Pearson, Anju Nair, Yahya Daoud, Joanne L Blum
PURPOSE: Breast cancer remains the fourth-leading cause of death in the United States. Nearly 10% of breast cancers are hereditary, with deleterious mutations in BRCA1 and BRCA2 genes being the leading cause. Anthracycline chemotherapy, used commonly for breast cancer, carries cardiotoxicity risk. Recent studies demonstrated anthracycline-induced cardiac failure in homozygous BRCA2-deficient mice and increased rates of heart failure in homozygous BRCA1-deficient mice following ischemic insult...
January 9, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28065916/global-longitudinal-strain-mature-for-early-detection-of-anthracyclines-induced-cardiotoxicity
#14
EDITORIAL
Dania Mohty, Julien Magne, Victor Aboyans
No abstract text is available yet for this article.
January 8, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28064233/clozapine-associated-with-autoimmune-reaction-fever-and-low-level-cardiotoxicity-a-case-report
#15
Charilaos Gerasimou, Georgia Phaedra Vitali, George D Vavougios, Charalabos Papageorgiou, Athanasios Douzenis, Styliani I Kokoris, Ioannis Liappas, Emmanouil Rizos
BACKGROUND: Clozapine is a second-generation antipsychotic drug used in treatment-resistant schizophrenia. Fever induced by clozapine is a rather frequent side-effect which usually occurs in the first 4 weeks of treatment. Despite its effectiveness, there are potentially life-threatening adverse effects, such as cardiotoxicity. CASE REPORT: We present the case of a 31-year-old caucasian male with refractory schizophrenia who developed benign fever, increase of C-reactive protein and high troponin levels, without presenting any other signs to myocarditis, on the 13th day under clozapine treatment, which declined progressively upon discontinuation of the drug...
January 2017: In Vivo
https://www.readbyqxmd.com/read/28064155/assessment-of-global-longitudinal-strain-at-low-dose-anthracycline-based-chemotherapy-for-the-prediction-of-subsequent-cardiotoxicity
#16
Clément Charbonnel, Raphaele Convers-Domart, Sophie Rigaudeau, Anne Laure Taksin, Nicolas Baron, Juliette Lambert, Stéphanie Ghez, Jean-Louis Georges, Hassan Farhat, Jérôme Lambert, Philippe Rousselot, Bernard Livarek
AIMS: We sought to assess whether global longitudinal strain (GLS) measured early during treatment with anthracyclines (at a cumulative dose of 150 mg/m(2)) can predict subsequent alterations in left ventricular ejection fraction. METHODS AND RESULTS: Eighty-six patients with Hodgkin's disease, non-Hodgkin's lymphoma, or acute leukaemia and receiving anthracyclines were prospectively included. Patients underwent complete echocardiography on four occasions: baseline (V1); after reaching a cumulative dose of 150 mg/m(2) (V2); end of treatment (V3); and 1 year follow-up (V4)...
January 6, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28063409/tinospora-cordifolia-extract-attenuates-cadmium-induced-biochemical-and-histological-alterations-in-the-heart-of-male-wistar-rats
#17
Lohanathan Bharathi Priya, Rathinasamy Baskaran, Pitchai Elangovan, Velumani Dhivya, Chih-Yang Huang, Viswanadha Vijaya Padma
Persistence of cadmium (Cd) in the environment causes serious ecological problems. Tinospora cordifolia is a medicinal herb used in Ayurveda for treating various metabolic disorders and toxic conditions. The present study investigates the protective effect of T. cordifolia stem methanolic extract (TCME) on a heavy metal, Cd-induced cardiotoxicity in male Wistar rats. Male albino Wistar rats were divided into four groups (n=6). The animals after treatment for 28days with Cd and TCME were analysed for biochemical and histological changes in the serum and heart tissues...
January 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28059870/epinephrine-deteriorates-pulmonary-gas-exchange-in-a-rat-model-of-bupivacaine-induced-cardiotoxicity-a-threshold-dose-of-epinephrine
#18
Quan-Guang Wang, Cong Wu, Yun Xia, Jiao-Jiao Dong, Ting-Ting Lin, Qiao-Yan Liu, Thomas J Papadimos, Xu-Zhong Xu
BACKGROUND AND OBJECTIVE: The study goal was to compare the effect of epinephrine in different doses on pulmonary gas exchange in a rat model of bupivacaine-induced cardiac depression. METHODS: Twenty-four adult male Sprague-Dawley rats were divided into 4 groups (n = 6), and each group received a bupivacaine infusion (2.5 mg/kg per minute, 6 minutes) via the left femoral vein to induce cardiac depression. At the end of the bupivacaine infusion, each group was immediately given either isotonic sodium chloride solution (normal saline; NS group), 5-μg/kg epinephrine (Epi5 group), 10-μg/kg epinephrine (Epi10 group), or 20 μg/kg epinephrine (Epi20 group)...
January 3, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28059853/a-review-of-serious-adverse-effects-under-treatment-with-checkpoint-inhibitors
#19
Lucie Heinzerling, Simone M Goldinger
PURPOSE OF REVIEW: The aim of this article is to raise awareness of physicians for the serious side-effects of immune-checkpoint blocking antibodies. As checkpoint inhibitors can induce severe side-effects and are increasingly being used also in subspecialties besides dermatology and oncology, with less experience with these drugs available, knowledge has to be spread. Early recognition and adequate management is essential. RECENT FINDINGS: Recent reports on side-effects document cases of serious side-effects involving all organ systems...
January 3, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28059036/reduction-of-doxorubicin-induced-cardiotoxicity-using-nanocarriers-a-review
#20
Michaela Fojtu, Jaromir Gumulec, Tibor Stracina, Martina Raudenska, Anna Skotakova, Marketa Vaculovicova, Vojtech Adam, Petr Babula, Marie Novakova, Michal Masarik
BACKGROUND: Anthracycline antibiotic doxorubicin (DOX) is a very potent and extensively prescribed chemotherapeutic drug. It is widely utilized in the therapy of variety of haematological and solid tumours, although its administration is commonly accompanied with several severe side effects. The most serious one is a development of dose-dependent and cumulative cardiotoxicity. In the course of time, many strategies have been investigated in order to avoid or at least to diminish DOX-induced cardiac dysfunction; these include reduction of toxic effect by co-administration with iron chelators (dexrazoxane), trastuzumab, taxanes, statins, and ACE-inhibitors...
January 5, 2017: Current Drug Metabolism
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