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https://www.readbyqxmd.com/read/28929270/mode-of-treatment-governs-curcumin-response-on-doxorubicin-induced-toxicity-in-cardiomyoblasts
#1
Aditi Jain, Vibha Rani
Doxorubicin (Dox) is an effective anti-cancer drug with severe reported cardiotoxicity. Cardiovascular risks associated with present cancer therapeutics demand urgent attention. There has been a growing interest in naturally occurring compounds to improve the therapeutic index as well as prevent non-tumour tissues from sustaining chemotherapy-induced damages. In the present study, the effects of curcumin, a polyphenol isolated from Curcuma longa and well known for its anti-oxidative, anti-cancerous and anti-inflammatory properties, was studied in relation to the Dox-induced cardiotoxicity...
September 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28922986/attenuation-of-doxorubicin-induced-cardiotoxicity-and-genotoxicity-by-an-indole-based-natural-compound-3-3-diindolylmethane-dim-through-activation-of-nrf2-are-signaling-pathways-and-inhibiting-apoptosis
#2
Subhadip Hajra, Abhishek Basu, Somnath Singha Roy, Arup Ranjan Patra, Sudin Bhattacharya
The most crucial complication related to doxorubicin (DOX) therapy is nonspecific cytotoxic effect on healthy normal cells. The clinical use of this broad-spectrum chemotherapeutic agent is restricted due to development of severe form of cardiotoxicity, myelosuppression and genotoxicity which interfere with therapeutic schedule, compromise treatment outcome and may lead to secondary malignancy. 3,3'-diindolylmethane (DIM) is a naturally occurring plant alkaloid formed by the hydrolysis of indolylmethyl glucosinolate (glucobrassicin)...
September 18, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28919026/a-novel-fap%C3%AE-based-z-gly-pro-epirubicin-prodrug-for-improving-tumor-targeting-chemotherapy
#3
Jun Wang, Qiuwen Li, Xiaojuan Li, Weiqi Yuan, Sichao Huang, Shaohui Cai, Jun Xu
Fibroblast activation protein-α (FAPα) is a serine protease of the post-prolyl peptidase family that is specifically expressed in the majority of human epithelial tumors, but not in normal tissues. In this study, we demonstrated the anti-tumor activity of a novel targeting drug formed by conjugating epirubicin (EPI) with an FAPα-specific dipeptide (Z-Gly-Pro) and named it Z-GP-EPI. Consistent with this tumor-targeting delivery strategy, the results illustrated that Z-GP-EPI could release EPI efficiently after incubating with FAPα and could exhibit similar antitumor effects as EPI in vitro in FAPα over-expressed tumor cells (4T1/FAPα(+))...
September 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28895705/-complete-heart-block-and-asystole-in-a-child-with-ataxia-telangiectasia
#4
Daniel Palanca Arias, Ariadna Ayerza Casas, Mercedes Domínguez Cajal, Marta López Ramón, Lorenzo Jiménez Montañés
Ataxia-telangiectasia is a disorder characterized by cerebellar ataxia, telangiectasia, immunodeficiency, and increased predisposition to cancer susceptibility. Mutations in the ataxia telangiectasia mutated gene seem to play an important role in normal cell function and in cardiovascular remodeling. We report a case of a 14-year-old boy with ataxia-telangiectasia and high-grade B-non-Hodgkin lymphoma who remained in continuous complete remission after chemotherapy and who was admitted into our Emergency Room presenting with episodes of presyncope...
October 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28895191/early-assessment-of-the-left-ventricular-function-by-epirubicin-induced-cardiotoxicity-in-postoperative-breast-cancer-patients
#5
Runlan Luo, Hongyan Cui, Dongmei Huang, Guangsen Li
OBJECTIVE: Epirubicin (Epi) is a potent and effective drug for many malignant cancers with serious cardiotoxicity. Therefore, layer-specific two-dimensional speckle tracking echocardiography (2D-STE) was used to evaluate the longitudinal and circumferential systolic function of the left ventricular for the early detection of cardiotoxicity in this retrospective work. METHODS: Overall, 130 female patients with postoperative breast cancer who did not receive radiotherapy were classified into three groups: Group A (control group, n = 40) without any chemotherapy; Group B (n = 44) administered Epi at 180 ~ 240 mg/m(2) ; and Group C (n = 46) administered Epi at ≥360 mg/m(2) ...
September 12, 2017: Echocardiography
https://www.readbyqxmd.com/read/28887671/histamine-2-receptor-antagonism-elicits-protection-against-doxorubicin-induced-cardiotoxicity-in-rodent-model
#6
Sundar Kumar Kondru, Ajay Godwin Potnuri, Lingesh Allakonda, Prasad Konduri
Doxorubicin (DOX), an anthracycline-based antibiotic, is regularly used in the management of carcinomas, and haematological malignancies have been downplayed in chemotherapy because of its ability to induce dilated cardiomyopathy (DCM). Dexrazoxane is approved to combat the cardiotoxicity, but limited by its adverse effects. Redox imbalance and reactive oxygen species generation plays major role in DOX-induced cardiotoxicity. Histamine, known to mediate various cardiovascular effects, but nevertheless the role of histamine or its receptors in DOX-induced DCM is remained obscure...
September 8, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28864152/deformation-analysis-of-myocardial-layers-detects-early-cardiac-dysfunction-after-chemotherapy-in-bone-marrow-transplantation-patients-a-continuous-and-additive-cardiotoxicity-process
#7
Ioannis A Paraskevaidis, George Makavos, Panagiotis Tsirigotis, Panagiotis Psarogiannakopoulos, John Parissis, Konstantinos Gkirkas, Ilias Pessach, Ignatios Ikonomidis
BACKGROUND: Chemotherapy-induced cardiotoxicity has not been extensively validated in bone marrow transplantation (BMT) patients. Speckle-tracking echocardiography is a sensitive method for the detection of subclinical cardiac dysfunction. METHODS: Cardiac function was prospectively assessed in 80 patients (44 men; mean age, 45 ± 11 years) after BMT for non-Hodgkin's lymphoma and acute or chronic myeloid leukemia by means of various echocardiographic techniques...
August 29, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28862319/breakthroughs-in-modern-cancer-therapy-and-elusive-cardiotoxicity-critical-research-practice-gaps-challenges-and-insights
#8
REVIEW
Ping-Pin Zheng, Jin Li, Johan M Kros
To date, five cancer treatment modalities have been defined. The three traditional modalities of cancer treatment are surgery, radiotherapy, and conventional chemotherapy, and the two modern modalities include molecularly targeted therapy (the fourth modality) and immunotherapy (the fifth modality). The cardiotoxicity associated with conventional chemotherapy and radiotherapy is well known. Similar adverse cardiac events are resurging with the fourth modality. Aside from the conventional and newer targeted agents, even the most newly developed, immune-based therapeutic modalities of anticancer treatment (the fifth modality), e...
September 1, 2017: Medicinal Research Reviews
https://www.readbyqxmd.com/read/28851949/hypertension-susceptibility-loci-are-associated-with-anthracycline-related-cardiotoxicity-in-long-term-childhood-cancer-survivors
#9
Michelle A T Hildebrandt, Monica Reyes, Xifeng Wu, Xia Pu, Kara A Thompson, Jianzhong Ma, Andrew P Landstrom, Alanna C Morrison, Joann L Ater
Anthracycline-based chemotherapy is associated with dose-dependent, irreversible damage to the heart. Childhood cancer survivors with hypertension after anthracycline exposure are at increased risk of cardiotoxicity, leading to the hypothesis that genetic susceptibility loci for hypertension may serve as predictors for development of late cardiotoxicity. Therefore, we determined the association between 12 GWAS-identified hypertension-susceptibility loci and cardiotoxicity in a cohort of long-term childhood cancer survivors (N = 108) who received anthracyclines and were screened for cardiac function via echocardiograms...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28845130/anaesthetic-challenges-in-cancer-patients-current-therapies-and-pain-management
#10
Jūratė Gudaitytė, Dominykas Dvylys, Indrė Šimeliūnaitė
THE OBJECTIVE: The aim is to present the major effects of cancer treatment (chemotherapy, radiotherapy, surgery) that the anaesthesiologist should consider preoperatively, and to review techniques of the analgesic management of the disease. MATERIALS AND METHODS: To summarize the major challenges that cancer patients present for the anaesthesiologists, a literature review was conducted. Articles presenting evidence or reviewing the possible effects of anaesthetics on cancer cells were also included...
2017: Acta medica Lituanica
https://www.readbyqxmd.com/read/28840334/patient-preference-and-timing-for-exercise-in-breast-cancer-care
#11
Kathleen M Sturgeon, Carla Fisher, Gina McShea, Susan Kruse Sullivan, Dahlia Sataloff, Kathryn H Schmitz
Exercise is recommended following cancer diagnosis and may be particularly valuable for women receiving cardiotoxic chemotherapy treatments. We investigated breast cancer patient preference on exercise programming in a prospective manner and retrospectively assessed length of time between diagnosis and chemotherapy initiation. Sixty-seven newly diagnosed breast cancer patients responded to questions regarding exercise programming related to cancer treatment and surveys on current activity level. Additionally, a retrospective chart review was conducted on 500 random breast cancer patients...
August 24, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28830541/cardioprotective-effect-of-platycodon-grandiflorum-in-patients-with-early-breast-cancer-receiving-anthracycline-based-chemotherapy-study-protocol-for-a-randomized-controlled-trial
#12
Wei Hao, Sheng Liu, Yuenong Qin, Chenping Sun, Liying Chen, Chunyu Wu, Yijia Bao
BACKGROUND: Anthracyclines, alone or in combination with other drugs, are among the most effective chemotherapeutic agents to treat breast cancer both in the adjuvant and neoadjuvant setting. Unfortunately, anthracycline-associated dose-dependent cardiotoxicity is a limiting factor in clinical use. Extensive efforts have been devoted to identifying strategies to prevent anthracycline-induced cardiotoxicity. However, most cardioprotective agents have shown little effect in clinical trials...
August 22, 2017: Trials
https://www.readbyqxmd.com/read/28820558/young-patient-with-advanced-heart-failure-no-longer-a-candidate-for-heart-transplantation-after-mitraclip%C3%A3-%C3%A2-procedure
#13
Cosmo Godino, Andrea Scotti, Eustachio Agricola, Carlo A Pivato, Mauro Chiarito, Stefano Stella, Massimo Maccherini, Alberto Margonato, Antonio Colombo
In Europe, mitral regurgitation (MR) is the second most common form of valvular heart disease requiring surgical treatment. The case is presented of a 36-year-old woman with end-stage heart failure secondary to chemotherapy-induced cardiotoxicity, complicated by severe MR. She was listed for heart transplantation and underwent percutaneous MitraClip® implantation in order to preclude further clinical deterioration while awaiting a suitable donor. The one-year follow-up showed a strong improvement of symptoms and mostly reverse left ventricular remodelling, with consequent removal from the heart transplantation list...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28819666/ph-responsive-prodrug-nanoparticles-based-on-a-sodium-alginate-derivative-for-selective-co-release-of-doxorubicin-and-curcumin-into-tumor-cells
#14
Cheng Gao, Fan Tang, Guiyi Gong, Jianxiang Zhang, Maggie P M Hoi, Simon M Y Lee, Ruibing Wang
In order to realize a combination of chemotherapy and selective drug release into tumor cells, novel pH-sensitive prodrugnanoparticles were designed and prepared via the self-assembly of a synthetic amphiphilic macromolecular prodrug for the selective co-delivery of doxorubicin (Dox) and curcumin (Cur). Dox was covalently conjugated to the oxidized sodium alginate through a Schiff base reaction to produce an amphiphilic macromolecular prodrug, and the prodrug was subsequently self-assembled into nanoparticles (Dox-NPs) in an aqueous solution, which were responsive to the acidic environment in tumor cells...
August 31, 2017: Nanoscale
https://www.readbyqxmd.com/read/28816145/strain-imaging-detects-dose-dependent-segmental-cardiac-dysfunction-in-the-acute-phase-after-breast-irradiation
#15
Queenie Lo, Leia Hee, Vikneswary Batumalai, Christine Allman, Peter MacDonald, Denise Lonergan, Geoff P Delaney, Liza Thomas
PURPOSE: We examined the utility of echocardiographic 2-dimensional speckle tracking strain imaging (SI) for the evaluation of segmental myocardial dysfunction before and after radiation therapy (RT) and the relationship to dose exposure. METHODS AND MATERIALS: We prospectively recruited 40 women with left-sided breast cancer, undergoing only adjuvant RT to the left chest. Comparisons of traditional echocardiographic parameters and SI parameters at baseline and 6 weeks after RT were analyzed...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28804553/sirt3-attenuates-doxorubicin-induced-cardiac-hypertrophy-and-mitochondrial-dysfunction-via-suppression-of-bnip3
#16
Qiong Du, Bin Zhu, Qing Zhai, Bo Yu
Doxorubicin (Dox) is an anthracycline antibiotic widely used in cancer treatment. Although its antitumor efficacy appears to be dose dependent, its clinical use is greatly restricted by development of cardiotoxicity. Sirtuin-3 (Sirt3) is the major deacetylase within the mitochondrial matrix that plays an important role in regulation of cardiac function. This study was performed to identify the regulatory role of Sirt3 on Dox-induced cardiac hypertrophy and mitochondrial dysfunction in rats in vivo and in vitro...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28795306/lung-cancer-as-a-cardiotoxic-state-a-review
#17
REVIEW
David Pérez-Callejo, María Torrente, María Auxiliadora Brenes, Beatriz Núñez, Mariano Provencio
As the overall survival of patients with lung cancer continues to increase, more cancer survivors are faced with the risk of developing treatment-related cardiovascular toxicities. The increased knowledge of the molecular biology of non-small cell lung cancer has led to new and more personalized treatments. Nevertheless, the usual chemotherapy schemes and radiation therapy induce cardiac toxicities that are frequently underappreciated or go unnoticed. Up to date, the majority of cardiotoxicity studies have been focused in breast cancer, but new treatments in lung cancer patients, such as immune checkpoint-blocking antibodies or tyrosine kinase inhibitors, may also exert these cardiac toxic effects and therefore demand of the close collaboration of oncologists and cardiologists, in order to be addressed...
August 9, 2017: Medical Oncology
https://www.readbyqxmd.com/read/28780919/anthracycline-induced-cardiotoxicity-in-patients-with-paediatric-bone-sarcoma-and-soft-tissue-sarcoma
#18
Ilaria Bini, Sebastian D Asaftei, Chiara Riggi, Elisa Tirtei, Rosaria Manicone, Eleonora Biasin, Maria Eleonora Basso, Gabriella Agnoletti, Franca Fagioli
OBJECTIVES: Anthracycline cardiotoxicity is an important side-effect in long-term childhood cancer survivors. We evaluated the incidence of and factors associated with anthracycline cardiotoxicity in a population of patients diagnosed with bone or soft tissue sarcoma. Materials and methods We retrospectively enrolled patients diagnosed with bone or soft tissue sarcoma, from 1995 to 2011, treated with anthracycline chemotherapy at our Centre and with a follow-up echocardiography carried out ⩾3 years from cardiotoxic therapy completion...
August 7, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28772051/protocol-update-and-preliminary-results-of-eacvi-hfa-cardiac-oncology-toxicity-cot-registry-of-the-european-society-of-cardiology
#19
Patrizio Lancellotti, Maurizio Galderisi, Erwan Donal, Thor Edvardsen, Bogdan A Popescu, Dimitrios Farmakis, Gerasimos Filippatos, Gilbert Habib, Chiara Lestuzzi, Ciro Santoro, Marie Moonen, Guy Jerusalem, Maryna Andarala, Stefan D Anker
AIMS: European Association of Cardiovascular Imaging/Heart Failure Association Cardiac Oncology Toxicity Registry was launched in October 2014 as a European Society of Cardiology multicentre registry of breast cancer patients referred to imaging laboratories for routine surveillance, suspected, or confirmed anticancer drug-related cardiotoxicity (ADRC). After a pilot phase (1 year recruitment and 1 year follow-up), some changes have been made to the protocol (version 1.0) and electronic case report form...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28763429/genome-wide-association-study-of-cardiotoxicity-in-the-ncctg-n9831-alliance-adjuvant-trastuzumab-trial
#20
Daniel J Serie, Julia E Crook, Brian M Necela, Travis J Dockter, Xue Wang, Yan W Asmann, DeLisa Fairweather, Katelyn A Bruno, Gerardo Colon-Otero, Edith A Perez, E Aubrey Thompson, Nadine Norton
OBJECTIVES: The major clinical side effect of the ERBB2-targeted breast cancer therapy, trastuzumab, is a decline in the left ventricular ejection fraction (LVEF). Improved markers are needed to better identify patients susceptible to cardiotoxicity. METHODS: The NCCTG N9831 trial compared adjuvant doxorubicin and cyclophosphamide followed by either weekly paclitaxel (arm A); paclitaxel then trastuzumab (arm B); or concurrent paclitaxel and trastuzumab (arm C) in patients with HER2-positive breast cancer...
October 2017: Pharmacogenetics and Genomics
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