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https://www.readbyqxmd.com/read/29332369/preliminary-testing-of-anthracycline-induced-cardiotoxicity-in-children
#1
Ljiljana Pejcic, Karin Vasic
No abstract text is available yet for this article.
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29331652/salinomycin-induces-primary-chicken-cardiomyocytes-death-via-mitochondria-mediated-apoptosis
#2
Xiuge Gao, Yani Zheng, Xiangchun Ruan, Hui Ji, Lin Peng, Dawei Guo, Shanxiang Jiang
Salinomycin, as a polyether ionophore antibiotic, is extensively used as a feed additive against coccidiosis in poultry and as a growth promoter of ruminants worldwide. Owing to its narrow therapeutic index, numerous intoxication have been reported in target/non-target animals by overdosage, misuse or drug interactions as well as human who consumed salinomycin accidently. Salinomycin-induced cardiotoxicity in chicken and non-target animals is considered as a major contributor to animal death. In the current study, we aim to elucidate the underlying mechanism of its myocardial toxicity using primary chicken myocardial cell as an in vitro model...
January 10, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29329420/pyrrolidine-dithiocarbamate-reverses-bcl-xl-mediated-apoptotic-resistance-to-doxorubicin-by-inducing-paraptosis
#3
Seok Soon Park, Dong Min Lee, Jun Hee Lim, Dongjoo Lee, Sang Jun Park, Hwan Myung Kim, Seonghyang Sohn, Gyesoon Yoon, Young Woo Eom, Seong-Yun Jeong, Eun Kyung Choi, Kyeong Sook Choi
Elevated Bcl-xL expression in cancer cells contributes to DOX resistance, leading to failure in chemotherapy. In addition, the clinical use of high-dose doxorubicin (DOX) in cancer therapy has been limited by issues with cardiotoxicity and hepatotoxicity. Here, we show that co-treatment with pyrrolidine dithiocarbamate (PDTC) attenuates DOX-induced apoptosis in Chang-L liver cells and human hepatocytes, but overcomes DOX resistance in Bcl-xL-overexpressing Chang-L cells and several hepatocellular carcinoma (HCC) cell lines with high Bcl-xL expression...
January 10, 2018: Carcinogenesis
https://www.readbyqxmd.com/read/29322358/anti-hypotensive-drug-induced-cardiotoxicity-an-in-vitro-study
#4
Aditi Jain, Vibha Rani
Cardiotoxic side effects of broad range of drugs have emerged as an important cause of developing cardiovascular complications, as patients recover from one disease but develop another. Both cardiovascular and non-cardiovascular drugs may lead to the toxicity in the heart. Many drugs were initially not screened for cardiotoxicity, which is now an essential concern for drug discovery. Levophed is used for treating hypotension in critical care patients. Being a neurotransmitter, its concentration increases significantly in stress conditions and administration of this drug to patients' results in developing acute as well as persistent cardiac complications...
January 10, 2018: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/29321375/highly-potent-visnagin-derivatives-inhibit-cyp1-and-prevent-doxorubicin-cardiotoxicity
#5
Aarti Asnani, Bahoui Zheng, Yan Liu, You Wang, Howard H Chen, Anita Vohra, An Chi, Ivan Cornella-Taracido, Huijun Wang, Douglas G Johns, David E Sosnovik, Randall T Peterson
Anthracyclines such as doxorubicin are highly effective chemotherapy agents used to treat many common malignancies. However, their use is limited by cardiotoxicity. We previously identified visnagin as protecting against doxorubicin toxicity in cardiac but not tumor cells. In this study, we sought to develop more potent visnagin analogs in order to use these analogs as tools to clarify the mechanisms of visnagin-mediated cardioprotection. Structure-activity relationship studies were performed in a zebrafish model of doxorubicin cardiomyopathy...
January 11, 2018: JCI Insight
https://www.readbyqxmd.com/read/29321061/enoxaparin-attenuates-doxorubicin-induced-cardiotoxicity-in-rats-via-interfering-with-oxidative-stress-inflammation-and-apoptosis
#6
Reem Ali Shaker, Samer Hassan Abboud, Hayder Chasib Assad, Najah Hadi
BACKGROUND: Doxorubicin (DOX) is commonly used in the treatment of many types of cancers but its cardiotoxicity is limiting its clinical use. Beyond its anticoagulant action, enoxaparin (ENX), a low molecular weight heparin, has been shown to exert multiple pharmacological actions including antioxidant, anti-inflammatory and antiapoptotic effects. Therefore, the current study aimed to assess if ENX could ameliorate cardiotoxicity induced by DOX. METHODS: Twenty-one adult male Wistar albino rats were randomly allocated into three groups (n = 7 each) of control, receiving 0...
January 10, 2018: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29318908/cardiovascular-safety-of-abiraterone-acetate-in-metastatic-castration-resistant-prostate-cancer-patients-a-prospective-evaluation
#7
Veronica Prati, Fiorella Ruatta, Caterina Aversa, Angela Gernone, Danilo Galizia, Alessandro Bonzano, Sofia Torino, Imperia Nuzzolese, Laura Marandino, Massimo Aglietta, Cinzia Ortega
AIM: The aim of this study is to evaluate cardiotoxicity of abiraterone acetate (AA) in metastatic castration-resistant prostate cancer patients (pts) with cardiovascular comorbidities or coronary artery disease (CAD) risk factors. PATIENTS & METHODS: We prospectively analyzed pts receiving AA in order to evaluate correlations between cardiotoxicity onset and CAD risk factors or cardiovascular comorbidities. RESULTS: Eighty-seven pts were enrolled, with median treatment duration of 9 months (1-44)...
January 10, 2018: Future Oncology
https://www.readbyqxmd.com/read/29316094/integrated-multifunctional-micelles-co-self-assembled-from-polypeptides-conjugated-with-natural-ferulic-acid-and-lipoic-acid-for-efficient-and-bioresponsive-doxorubicin-delivery
#8
Zhiyuan Zhong, Tao Chen, Min Qiu, Jian Zhang, Huanli Sun, Chao Deng
How to develop safe, easily accessible, and multifunctional nanocarriers is a big theme for nanomedicine research. Here, integrated multifunctional micelles (IMM) were developed by co-self-assembly of poly(ethylene glycol)-b-poly(L-lysine) derivatives with natural ferulic acid or lipoic acid. FA confers IMM with intrinsic antitumor activity, improved loading of doxorubicin (DOX) via π-π stacking, and reduced DOX cardiotoxicity. LA provides IMM with reversible crosslinking property which leads to a high colloidal stability with inhibited drug leakage and triggered intracellular DOX release...
January 9, 2018: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/29315967/curcumin-ameliorates-doxorubicin-induced-cardiotoxicity-by-abrogation-of-inflammation-apoptosis-oxidative-dna-damage-and-protein-oxidation-in-rats
#9
Fulya Benzer, Fatih Mehmet Kandemir, Mustafa Ozkaraca, Sefa Kucukler, Cuneyt Caglayan
Doxorubicin (DXR) is a highly effective drug for chemotherapy. However, cardiotoxicity reduces its clinical utility in humans. The present study aimed to assess the ameliorative effect of curcumin against DXR-induced cardiotoxicity in rats. Rats were subjected to oral treatment of curcumin (100 and 200 mg/kg body weight) for 7 days. Cardiotoxicity was induced by single intraperitoneal injection of DXR (40 mg/kg body weight) on the 5th day and the rats sacrificed on 8th day. Curcumin ameliorated DXR-induced lipid peroxidation, glutathione depletion, decrease in antioxidant (superoxide dismutase, catalase, and glutathione peroxidase) enzyme activities, and cardiac toxicity markers (CK-MB, LDH, and cTn-I)...
January 5, 2018: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/29315692/comprehensive-review-of-cardiovascular-toxicity-of-drugs-and-related-agents
#10
REVIEW
Přemysl Mladěnka, Lenka Applová, Jiří Patočka, Vera Marisa Costa, Fernando Remiao, Jana Pourová, Aleš Mladěnka, Jana Karlíčková, Luděk Jahodář, Marie Vopršalová, Kurt J Varner, Martin Štěrba
Cardiovascular diseases are a leading cause of morbidity and mortality in most developed countries of the world. Pharmaceuticals, illicit drugs, and toxins can significantly contribute to the overall cardiovascular burden and thus deserve attention. The present article is a systematic overview of drugs that may induce distinct cardiovascular toxicity. The compounds are classified into agents that have significant effects on the heart, blood vessels, or both. The mechanism(s) of toxic action are discussed and treatment modalities are briefly mentioned in relevant cases...
January 5, 2018: Medicinal Research Reviews
https://www.readbyqxmd.com/read/29311442/usefulness-of-simultaneous-and-sequential-monitoring-of-glucose-level-and-electrocardiogram-in-monkeys-treated-with-gatifloxacin-under-conscious-and-nonrestricted-conditions
#11
Yu Yoshimatsu, Tomomichi Ishizaka, Katsuyoshi Chiba, Kazuhiko Mori
Drug-induced cardiac electrophysiological abnormalities accompanied by hypoglycemia or hyperglycemia increase the risk for life-threatening arrhythmia. To assess the drug-induced cardiotoxic potential associated with extraordinary blood glucose (GLU) levels, the effect of gatifloxacin (GFLX) which was frequently associated with GLU abnormality and QT/QTc prolongations in the clinic on blood GLU and electrocardiogram (ECG) parameters was investigated in cynomolgus monkeys (n=4) given GFLX orally in an ascending dose regimen (10, 30, 60 and 100 mg/kg)...
January 3, 2018: Experimental Animals
https://www.readbyqxmd.com/read/29305325/modeling-trastuzumab-related-cardiotoxicity-in-vitro-using-human-stem-cell-derived-cardiomyocytes
#12
Yosuke K Kurokawa, Michael R Shang, Rose T Yin, Steven C George
Trastuzumab (Herceptin®), a monoclonal antibody against the ErbB2 (HER2) receptor, has significantly improved clinical outcomes for HER2+ breast cancer patients. However, the drug also has known cardiotoxic side effects through mechanisms that are not fully understood. Here we utilized human induced pluripotent stem cell-derived cardiomyocytes (iPS-CMs) to model trastuzumab-related cardiotoxicity in vitro. We demonstrate that cardiotoxic effects of ErbB2 inhibition by trastuzumab can be recapitulated only when the cardioprotective effects of ErbB2/4 signaling is observed...
January 2, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29304479/microrna-140-5p-aggravates-doxorubicin-induced-cardiotoxicity-by-promoting-myocardial-oxidative-stress-via-targeting-nrf2-and-sirt2
#13
Lisha Zhao, Yan Qi, Lina Xu, Xufeng Tao, Xu Han, Lianhong Yin, Jinyong Peng
Clinical application of doxorubicin (DOX), an anthracycline antibiotic with potent anti- tumor effects, is limited because of its cardiotoxicity. However, its pathogenesis is still not entirely understood. The aim of this paper was to explore the mechanisms and new drug targets to treat DOX-induced cardiotoxicity. The in vitro model on H9C2 cells and the in vivo models on rats and mice were developed. The results showed that DOX markedly decreased H9C2 cell viability, increased the levels of CK, LDH, caused histopathological and ECG changes in rats and mice, and triggered myocardial oxidative damage via adjusting the levels of intracellular ROS, MDA, SOD, GSH and GSH-Px...
December 29, 2017: Redox Biology
https://www.readbyqxmd.com/read/29304463/management-of-qt-prolongation-induced-by-anti-cancer-drugs-target-therapy-and-old-agents-different-algorithms-for-different-drugs
#14
REVIEW
Carmela Coppola, Anna Rienzo, Giovanna Piscopo, Antonio Barbieri, Claudio Arra, Nicola Maurea
The side effects of anticancer drugs still play a critical role in survival and quality of life. Although the recent progresses of cancer therapies have significantly improved the prognosis of oncologic patients, side effects of antineoplastic treatments are still responsible for the increased mortality of cancer survivors. Cardiovascular toxicity is the most dangerous adverse effect induced by anticancer therapies. A survey conducted by the National Health and Nutrition Examination, showed that 1807 cancer survivors followed up for seven years: 51% died of cancer and 33% of heart disease (Vejpongsa and Yeh, 2014)...
December 6, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29304113/discovery-of-indolylpiperazinylpyrimidines-with-dual-target-profiles-at-adenosine-a2a-and-dopamine-d2-receptors-for-parkinson-s-disease-treatment
#15
Yi-Ming Shao, Xiaohua Ma, Priyankar Paira, Aaron Tan, Deron Raymond Herr, Kah Leong Lim, Chee Hoe Ng, Gopalakrishnan Venkatesan, Karl-Norbert Klotz, Stephanie Federico, Giampiero Spalluto, Siew Lee Cheong, Yu Zong Chen, Giorgia Pastorin
Parkinson's disease (PD) is a neurodegenerative disorder characterized by progressive loss of dopaminergic neurons in the substantia nigra of the human brain, leading to depletion of dopamine production. Dopamine replacement therapy remains the mainstay for attenuation of PD symptoms. Nonetheless, the potential benefit of current pharmacotherapies is mostly limited by adverse side effects, such as drug-induced dyskinesia, motor fluctuations and psychosis. Non-dopaminergic receptors, such as human A2A adenosine receptors, have emerged as important therapeutic targets in potentiating therapeutic effects and reducing the unwanted side effects...
2018: PloS One
https://www.readbyqxmd.com/read/29299194/histopathological-study-of-erythropoietin-protective-effect-on-carbon-monoxide-induced-cardiotoxicity-in-rat
#16
Mitra Asgharian Rezaee, Seyed Adel Moallem, Amir Hooshang Mohammadpour, Mahmoud Mahmoudi, Mojtaba Sankian, Mehdi Farzadnia, Hassan Alavi, Mohsen Imenshahidi
Objectives: Cardiotoxicity is one of the major consequences in carbon monoxide poisoning. Following our previous work, in this study we aimed to define the myocardium changes induced by carbon monoxide (CO) intoxication and evaluate erythropoietin (EPO) effect on CO cardiotoxicity in rat. Materials and Methods: Severe carbon monoxide toxicity induced by 3000 ppm CO in Wistar rat. EPO was administrated (5000 IU/Kg, intraperitoneal injection) at the end of CO exposure and then the animals were re-oxygenated with the ambient air...
November 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29297274/development-of-models-for-predicting-torsade-de-pointes-cardiac-arrhythmias-using-perceptron-neural-networks
#17
Mohsen Sharifi, Dan Buzatu, Stephen Harris, Jon Wilkes
BACKGROUND: Blockage of some ion channels and in particular, the hERG (human Ether-a'-go-go-Related Gene) cardiac potassium channel delays cardiac repolarization and can induce arrhythmia. In some cases it leads to a potentially life-threatening arrhythmia known as Torsade de Pointes (TdP). Therefore recognizing drugs with TdP risk is essential. Candidate drugs that are determined not to cause cardiac ion channel blockage are more likely to pass successfully through clinical phases II and III trials (and preclinical work) and not be withdrawn even later from the marketplace due to cardiotoxic effects...
December 28, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/29297235/l-ascorbic-acid-and-%C3%AE-tocopherol-attenuate-arsenic-trioxide-induced-toxicity-in-h9c2-cardiomyocytes-by-the-activation-of-nrf2-and-bcl2-transcription-factors
#18
Radhakrishnan Chandraprabha Vineetha, Prakash Binu, Pettamanna Arathi, Raveendran Harikumaran Nair
Arsenic trioxide (As2O3) is a potent drug for the treatment of acute promyelocytic leukemia (APL) and has achieved remarkable remissions in patients. Unfortunately, clinical reports have shown that the treatment is associated with cardiotoxicity. Many efforts have been made to mitigate drug mediated cardiac damage using naturally occurring antioxidant compounds possessing free radical scavenging activity. The present investigation aims to explore protective role of L-Ascorbic acid (L-AA) and α-Tocopherol (α-TOC) from As2O3 induced oxidative stress in H9c2 cardiomyocytes through the evaluation of Nrf2 (Nuclear factor erythroid 2-related factor 2) and Bcl-2 (B-cell lymphoma 2) transcription factors...
January 3, 2018: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/29290934/checkpoint-inhibitor-induced-cardiotoxicity-managing-the-drawbacks-of-our-newest-agents-against-cancer
#19
EDITORIAL
Karina Brüstle, Bettina Heidecker
No abstract text is available yet for this article.
December 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/29288196/hydroxychloroquine-mediated-cardiotoxicity-with-a-false-positive-99mtechnetium-labeled-pyrophosphate-scan-for-transthyretin-related-cardiac-amyloidosis
#20
Ian C Y Chang, John P Bois, Melanie C Bois, Joseph J Maleszewski, Geoffrey B Johnson, Martha Grogan
No abstract text is available yet for this article.
January 2018: Circulation. Cardiovascular Imaging
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