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Cardiotoxicity

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https://www.readbyqxmd.com/read/29243812/dysregulated-mitogen-activated-protein-kinase-signalling-as-an-oncogenic-basis-for-clear-cell-sarcoma-of-the-kidney
#1
Colin Kenny, Naomi McDonagh, Antonio Lazaro, Elaine O'Meara, Rut Klinger, Darran O'Connor, Fiona Roche, Karsten Hokamp, Maureen J O'Sullivan
The oncogenic mechanisms and tumour biology underpinning Clear Cell Sarcoma of Kidney (CCSK), the second commonest paediatric renal malignancy, are poorly understood and currently therapy depends heavily on doxorubicin with cardiotoxic side-effects. Previously, we characterised the balanced t(10;17)(q22;p13) chromosomal translocation, identified at that time as the only recurrent genetic aberration in CCSK. This translocation results in an in-frame fusion of the genes YWHAE (encoding 14-3-3ε)and NUTM2, with a somatic incidence of 12%...
December 15, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/29241734/maduramicin-activated-protein-phosphatase-2a-results-in-extracellular-signal-regulated-kinase-1-2-inhibition-leading-to-cytotoxicity-in-myocardial-h9c2-cells
#2
Xin Chen, Shanxiang Jiang
Maduramicin, a polyether ionophore antibiotic used as an anticoccidial agent in poultry industry, has been reported to be toxic to animals and humans if improperly used or by accident, resulting in heart failure, skeletal muscle degeneration and even death. However, the molecular mechanism underlying its cardiotoxicity remains elusive. Mitogen activated protein kinases (MAPKs) and protein phosphatases signaling pathways have been documented to be involved in the cell survival regulation. The present study was set to investigate the role of above pathways in maduramicin-induced myocardial cytotoxicity...
December 11, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29239964/superior-efficacy-of-lipid-emulsion-infusion-over-serum-alkalinization-in-reversing-amitriptyline-induced-cardiotoxicity-in-guinea-pig
#3
Shogo Tsujikawa, Tadashi Matsuura, Kotaro Hori, Takashi Mori, Miyuki Kuno, Kiyonobu Nishikawa
BACKGROUND: Tricyclic antidepressants (TCAs) are a major cause of fatal drug poisoning due to their cardiotoxicity. Alkalinization by sodium bicarbonate (NaHCO3) administration, the first-line therapy for TCA-induced cardiotoxicity, can occasionally yield insufficient efficacy in severe cases. Because most TCAs are highly lipophilic, lipid emulsion may be more effective than alkalinization. However, it remains to be determined whether lipid emulsion is more beneficial than alkalinization in reversing amitriptyline-induced cardiotoxicity...
December 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29237959/cardiotoxicity-associated-with-bortezomib-a-single-center-experience
#4
Murali Krishna Gurram, Swaroopa Pulivarthi, Kirsten Ehresmann, Josy Mathew
BACKGROUND: Studies evaluating the prevalence of cardiotoxicity associated with bortezomib are limited. We proposed this study to evaluate the prevalence of cardiotoxicity associated with bortezomib and its relation to multiple myeloma and other malignancies. MATERIALS AND METHODS: This is a retrospective, chart review study. Subjects who received bortezomib at the HealthEast care system for various oncologic conditions were evaluated after obtaining IRB approval...
October 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29235444/contact-guidance-for-cardiac-tissue-engineering-using-3d-bioprinted-gelatin-patterned-hydrogel
#5
Ajay Tijore, Scott Alexander Irvine, Udi Sarig, Priyadarshini Mhaisalkar, Vrushali Baisane, Subbu S Venkatraman
Here, we have developed a 3D bioprinted microchanneled gelatin hydrogel that promotes human mesenchymal stem cell (hMSC) myocardial commitment and supports native cardiomyocytes (CMs) contractile functionality. Firstly, we studied the effect of bioprinted microchanneled hydrogel on the alignment, elongation, and differentiation of hMSC. Notably, the cells displayed well defined F-actin anisotropy and elongated morphology on the microchanneled hydrogel, hence showing the effects of topographical control over cell behavior...
December 13, 2017: Biofabrication
https://www.readbyqxmd.com/read/29233041/cardiotoxicity-evaluation-of-nine-alkaloids-from-rhizoma-coptis
#6
M Y Zhang, Y Y Yu, S F Wang, Q Zhang, H W Wu, J Y Wei, W Yang, S Y Li, H J Yang
PURPOSE: Alkaloids derived from Rhizoma Coptis (RC) has been widely applied to clinical treatments in China. However, the toxicity of RC and the alkaloids from RC remained controversial. The research is designed to clarify the cardiotoxic compounds found in RC. METHODS: In this study, the real-time cellular analysis cardio system and the high-content analysis were applied to monitor the function of cardiomyocytes (CMs) in the treatment of nine alkaloids in RC. Luciferase-coupled adenosine triphosphate (ATP) assay was used to detect cell viability...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29231904/protective-effects-of-%C3%AF-3-pufa-in-anthracycline-induced-cardiotoxicity-a-critical-review
#7
REVIEW
Simona Serini, Renata Ottes Vasconcelos, Renata Nascimento Gomes, Gabriella Calviello
It has been demonstrated that ω-3 polyunsaturated fatty acids (ω-3 PUFA) may exert a beneficial role as adjuvants in the prevention and treatment of many disorders, including cardiovascular diseases and cancer. Particularly, several in vitro and in vivo preclinical studies have shown the antitumor activity of ω-3 PUFA in different kinds of cancers, and several human studies have shown that ω-3 PUFA are able to decrease the risk of a series of cardiovascular diseases. Several mechanisms have been proposed to explain their pleiotropic beneficial effects...
December 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29231164/lapatinib-plus-capecitabine-in-patients-with-her2-positive-metastatic-breast-cancer-a%C3%A2-systematic-review%C3%A2
#8
Rebecca Madden, Sam Kosari, Gregory M Peterson, Nasser Bagheri, Jackson Thomas
OBJECTIVE: Human epidermal growth factor receptor 2 (HER2)-positive breast cancer, which accounts for 20 - 25% of cases of breast cancers, is highly aggressive. Due to cardiotoxicity and increasing resistance associated with trastuzumab, the first-line treatment, there is a need for effective second-line therapies in treating HER2-positive breast cancer. In this context, there has been increasing interest in the combination of lapatinib plus capecitabine. The aim of this systematic review was to assess the efficacy of lapatinib plus capecitabine for HER2-positive breast cancer after progression with trastuzumab therapy, in comparison with capecitabine monotherapy and other agents such as vinorelbine and trastuzumab emtansine...
December 12, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29229534/a-novel-compound-dt-010-protects-against-doxorubicin-induced-cardiotoxicity-in-zebrafish-and-h9c2-cells-by-inhibiting-reactive-oxygen-species-mediated-apoptotic-and-autophagic-pathways
#9
Fan Tang, Xinhua Zhou, Liang Wang, Luchen Shan, Chuwen Li, Hefeng Zhou, Simon Ming-Yuen Lee, Maggie Pui-Man Hoi
Doxorubicin (Dox) is an effective anti-cancer agent but limited by its cardiotoxicity, thus the search for pharmacological agents for enhancing anti-cancer activities and protecting against cardiotoxicity has been a subject of great interest. We have previously reported the synergistic anti-cancer effects of a novel compound DT-010. In the present study, we further investigated the cardioprotective effects of DT-010 in zebrafish embryos in vivo and the molecular underlying mechanisms in H9c2 cardiomyocytes in vitro...
December 8, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29228618/calcium-homeostasis-and-endoplasmic-reticulum-stress-are-involved-in-salvianolic-acid-b-offered-protection-against-cardiac-toxicity-of-arsenic-trioxide
#10
Jing-Yi Zhang, Bin Zhang, Min Wang, Wei Wang, Ping Liao, Gui-Bo Sun, Xiao-Bo Sun
Arsenic trioxide (ATO) is a potent anticancer agent used to treat acute promyelocytic leukemia. However, its cardiotoxicity limits ATO's widespread clinical use. Previous studies demonstrated that ATO may aggravate Ca2+ overload and promote endoplasmic reticulum stress (ERS). Salvianolic acid B (Sal B) is cardioprotective against ATO and enhances ATO's anticancer activities. The present study assessed whether the Sal B protective effect was related to maintenance of Ca2+ homeostasis and inhibition of ER stress...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29226596/state-of-the-art-review-chemotherapy-induced-cardiotoxicity-in-children
#11
REVIEW
Robert W Loar, Cory V Noel, Hari Tunuguntla, John L Colquitt, Ricardo H Pignatelli
Chemotherapy-induced cardiotoxicity in adults and children is a topic with a growing interest in the cardiology literature. The ability to detect cardiac dysfunction in a timely manner is essential in order to begin adequate treatment and prevent further deterioration. This article aims to provide a review on the myocardial injury process, chemotherapeutic agents that lead to cardiotoxicity, the definition of cardiotoxicity, and the methods of timely detection and treatment.
December 11, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/29225726/incidence-diagnosis-and-treatment-of-cardiac-toxicity-from-trastuzumab-in-patients-with-breast-cancer
#12
Somaira Nowsheen, Paul V Viscuse, Ciara C O'Sullivan, Nicole P Sandhu, Tufia C Haddad, Anne Blaes, Jennifer Klemp, Lara Nhola, Joerg Herrmann, Kathryn J Ruddy
Purpose of review: Treatment with trastuzumab is a cornerstone of human epidermal growth factor receptor 2 (HER2)-overexpressing breast cancer treatment, but carries an unfortunate risk of toxicity to the cardiovascular system. Here we review recent findings on trastuzumab-associated cardiotoxicity, focusing on its incidence, diagnosis, and treatment. Recent findings: Screening with multigated acquisition scan (MUGA) or echocardiogram (ECHO) is recommended to assess cardiac function prior to and during trastuzumab therapy...
September 2017: Current Breast Cancer Reports
https://www.readbyqxmd.com/read/29225006/mechanistic-studies-on-ketamine-induced-mitochondrial-toxicity-in-zebrafish-embryos
#13
Bonnie L Robinson, Melanie Dumas, Syed F Ali, Merle G Paule, Qiang Gu, Jyotshna Kanungo
Ketamine, a phencyclidine derivative, is an antagonist of the Ca2+-permeable N-methyl-d-aspartate (NMDA)-type glutamate receptors. It is a pediatric anesthetic and has been implicated in developmental neurotoxicity. Ketamine has also been shown to deplete ATP in mammalian cells. Our previous studies showed that acetyl l-carnitine (ALCAR) prevented ketamine-induced cardiotoxicity and neurotoxicity in zebrafish embryos. Based on our finding that ALCAR's protective effect was blunted by oligomycin A, an inhibitor of ATP synthase, we further investigated the effects of ketamine and ALCAR on ATP levels, mitochondria and ATP synthase in zebrafish embryos...
December 7, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/29224368/immune-response-proteins-as-predictive-biomarkers-of-doxorubicin-induced-cardiotoxicity-in-breast-cancer-patients
#14
Li-Rong Yu, Zhijun Cao, Issam Makhoul, Jaclyn R Daniels, Suzanne Klimberg, Jeanne Y Wei, Jane Pf Bai, Jinong Li, Julia T Lathrop, Richard D Beger, Valentina K Todorova
Cancer treatment with doxorubicin (DOX) can induce cumulative dose-dependent cardiotoxicity. Currently, there are no specific biomarkers that can identify patients at risk during the initial doses of chemotherapy. The aim of this study was to examine plasma cytokines/chemokines and potential cardiovascular biomarkers for the prediction of DOX-induced cardiotoxicity. Plasma samples were collected before (T0), and after the first (T1) and the second (T2) cycles of DOX-based chemotherapy of 27 breast cancer patients, including five patients who presented with >10% decline of left ventricular ejection fraction (LVEF), five patients with LVEF decline of 5-10%, and 17 patients who maintained normal LVEF at the end of chemotherapy (240 mg/m2 cumulative dose of DOX from four cycles of treatment)...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29223822/exposure-to-acrylamide-induces-cardiac-developmental-toxicity-in-zebrafish-during-cardiogenesis
#15
Mengmeng Huang, Jingjing Jiao, Jun Wang, Zhidan Xia, Yu Zhang
Acrylamide (AA), an environmental pollutant, has been linked to neurotoxicity, genotoxicity and carcinogenicity. AA is widely used to synthesize polymers for industrial applications, is widely found in Western-style carbohydrate-rich foods and cigarette smoke, and can also be detected in human umbilical cord blood and breast milk. This is the first study that demonstrated the cardiac developmental toxicity of AA in zebrafish embryos. Post-fertilization exposure to AA caused a clearly deficient cardiovascular system with a shrunken heart and abortive morphogenesis and function...
December 7, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29223181/reduced-cardiotoxicity-and-increased-oral-efficacy-of-artemether-polymeric-nanocapsules-in-plasmodium-berghei-infected-mice
#16
Ana Carolina Moreira Souza, Vanessa Carla Furtado Mosqueira, Ana Paula Amariz Silveira, Lidiane Rodrigues Antunes, Sylvain Richard, Homero Nogueira Guimarães, Andrea Grabe-Guimarães
Artemether (ATM) cardiotoxicity, its short half-life and low oral bioavailability are the major limiting factors for its use to treat malaria. The purposes of this work were to study free-ATM and ATM-loaded poly-ε-caprolactone nanocapules (ATM-NC) cardiotoxicity and oral efficacy on Plasmodium berghei-infected mice. ATM-NC was obtained by interfacial polymer deposition and ATM was associated with polymeric NC oily core. For cardiotoxicity evaluation, male black C57BL6 uninfected or P. berghei-infected mice received, by oral route twice daily/4 days, vehicle (sorbitol/carboxymethylcellulose), blank-NC, free-ATM or ATM-NC at doses 40, 80 or 120 mg kg-1...
December 10, 2017: Parasitology
https://www.readbyqxmd.com/read/29222131/low-dose-anthracycline-and-risk-of-heart-failure-in-a-pharmacokinetic-model-of-human-myocardium-exposure-analog-specificity-and-role-of-secondary-alcohol-metabolites
#17
Emanuela Salvatorelli, Pierantonio Menna, Massimo Chello, Elvio Covino, Giorgio Minotti
Cumulative doses of doxorubicin and other antitumor anthracyclines may cause heart failure (HF). Cardiotoxicity is determined by cardiac exposure to anthracyclines and to more toxic secondary alcohol metabolites that are formed inside cardiomyocytes or diffuse from the bloodstream. Concerns exist that HF might be caused by cumulative anthracycline doses that were thought to be safe. Patients with gain-of-function polymorphism of carbonyl reductase 3 (CBR3), which converts anthracyclines to secondary alcohol metabolites, would be at a higher risk of HF...
December 8, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29221219/the-paradox-of-the-first-cycle-of-chemotherapy-transient-improvement-of-contractility-and-diastolic-function-after-the-first-cycle-of-anthracycline-based-chemotherapy-a-prospective-clinical-trial
#18
Paweł Stachowiak, Andrzej Wojtarowicz, Marta Milchert-Leszczyńska, Krzysztof Safranow, Michał Falco, Robert Kaliszczak, Zdzisława Kornacewicz-Jach
Aims: Breast cancer is the most common cancer among women, and anthracyclines are the most commonly administered drugs for these patients. Cardiotoxicity is one of the complications, which limits the success of this therapy. Very few studies have evaluated anthracycline toxicities within the first few hours after the first infusion, and the majority of published studies were performed in animal models. The present study aimed to evaluate changes in echocardiographic parameters in women with breast cancer 24 hours after receiving the first dose of an anthracycline...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29217634/anthracycline-cardiotoxicity-an-update-on-mechanisms-monitoring-and-prevention
#19
REVIEW
Peter A Henriksen
Anthracycline chemotherapy causes dose-related cardiomyocyte injury and death leading to left ventricular dysfunction. Clinical heart failure may ensue in up to 5% of high-risk patients. Improved cancer survival together with better awareness of the late effects of cardiotoxicity has led to growing recognition of the need for surveillance of anthracycline-treated cancer survivors with early intervention to treat or prevent heart failure. The main mechanism of anthracycline cardiotoxicity is now thought to be through inhibition of topoisomerase 2β resulting in activation of cell death pathways and inhibition of mitochondrial biogenesis...
December 7, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29216729/periostin-normalizes-levels-of-cardiac-markers-in-rats-with-experimental-isoproterenol-cardiotoxicity
#20
A K Devrim, M Sozmen, T Devrim, M Sudagidan, M Cinar, Y B Kabak
BACKGROUND: Although the molecular mechanism of cardiac healing is not fully understood, myocardial infarction is one of the most usual diagnoses in hospitalized patients in industrialized nations while periostin has been recently suggested to have a potential in tissue repairing following myocardial ischemia. OBJECTIVES: To investigate the effects of periostin on the levels of selected cardiac parameters (cardiac troponin I and T, creatine kinase and creatine kinase isoenzyme-MB), antioxidant/lipid peroxidation parameters (superoxide dismutase, catalase, and malondialdehyde), hepatic parameters (alkaline phosphatase, lactate dehydrogenase, aspartate and alanine transaminases) as well as lipids (total cholesterol, triglyceride, high, low and very‑low‑density lipoproteins) in a rat model of isoproterenol---induced myocardial injury...
2017: Bratislavské Lekárske Listy
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