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https://www.readbyqxmd.com/read/28636290/sulforaphane-protection-against-the-development-of-doxorubicin-induced-chronic-heart-failure-is-associated-with-nrf2-upregulation
#1
Yang Bai, Qiang Chen, Yun-Peng Sun, Xuan Wang, Li Lv, Li-Ping Zhang, Jin-Sha Liu, Song Zhao, Xiao-Lu Wang
Doxorubicin (DOX) is an anthracycline anti-tumor drug. However, its clinical use is limited by dose-dependent cardiotoxicity, and even progresses to chronic heart failure (CHF). OBJECTIVE: This study aims to investigate whether the Nrf2 activator, sulforaphane (SFN), can prevent DOX-induced CHF. METHODS: Male Sprague Dawley rats who received treatment for six weeks were divided into four groups (n=30 per group): control, SFN, DOX, and DOX plus SFN group. RESULTS: Results revealed that DOX induced progressive cardiac damage as indicated by increased cardiac injury markers, cardiac inflammation, fibrosis and oxidative stress...
June 21, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28635404/safety-and-efficacy-of-hepasphere-50-100%C3%A2-%C3%AE-m-in-the-treatment-of-hepatocellular-carcinoma
#2
Charles Edouard Zurstrassen, Luiz Paulo De Oliveira Gireli, Chiang Jeng Tyng, Almir Galvão Vieira Bitencourt, Marcos Duarte Guimarães, Paula Nicole Vieira Barbosa, Aline Cristine Barbosa Santos Cavalcante, João Paulo Matushita Junior, Mauricio Kauark Amoedo, Felipe Jose Coimbra, Rogério Camargo Pinheiro Alves, Rubens Chojniak
AIM: To evaluate the effects of HepaSphere 50-100 μm (Merit Medical) as a doxorubicin carrier and embolization agent for the treatment of hepatocellular carcinoma (HCC). MATERIAL AND METHODS: A prospective analysis of 18 patients recruited from a national cancer center was conducted. This analysis evaluated the efficacy and safety of HepaSphere, as expressed by the treatment response rate (measured by the modified Response Evaluation Criteria in Solid Tumors, mRECIST) and by the prevalence of treatment-related adverse events, respectively...
February 14, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28635335/a-novel-synergetic-targeting-strategy-for-glioma-therapy-employing-borneol-combination-with-angiopep-2-modified-dox-loaded-pamam-dendrimer
#3
Shunping Han, Hongyue Zheng, Yanping Lu, Yue Sun, Anhao Huang, Weidong Fei, Xiaowei Shi, Xiuling Xu, Jingjing Li, Fanzhu Li
Glioma is the most common primary malignant brain tumor and the effect of chemotherapy is hampered by low permeability across the blood-brain-barrier (BBB). Borneol is a time-honored 'Guide' drug in traditional Chinese medicine and has been proved to be capable of promoting free drugs into the brain efficiently, but there are still risks that free drugs, especially anti-glioma drugs, may be disassembled and metabolized before penetrating the BBB and caused the whole brain distribution. The purpose of this paper was to investigate whether borneol intervention could facilitate the BBB penetration and assist glioma treatment by combining with doxorubicin (DOX) loaded PAMAM dendrimers drug delivery system modified with Angiopep-2 (a ligand of the low-density lipoprotein receptor-related protein, which overexpress both in the BBB and gliomas)...
June 21, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28634515/transarterial-chemoembolization-using-40-%C3%A2%C2%B5m-drug-eluting-beads-for-hepatocellular-carcinoma
#4
Giorgio Greco, Tommaso Cascella, Antonio Facciorusso, Roberto Nani, Rodolfo Lanocita, Carlo Morosi, Marta Vaiani, Giuseppina Calareso, Francesca G Greco, Antonio Ragnanese, Marco A Bongini, Alfonso V Marchianò, Vincenzo Mazzaferro, Carlo Spreafico
AIM: To assess the safety and efficacy of transarterial chemoembolization (TACE) of hepatocellular carcinoma (HCC) using a new generation of 40 μm drug eluting beads in patients not eligible for curative treatment. METHODS: Drug eluting bead TACE (DEB-TACE) using a new generation of microspheres (embozene tandem, 40 μm) preloaded with 100 mg of doxorubicin was performed on 48 early or intermediate HCC patients with compensated cirrhosis. Response to therapy was assessed with Response Evaluation Criteria in Solid Tumors (RECIST) and modified RECIST (mRECIST) guidelines applied to computed tomography or magnetic resonance imaging...
May 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28634140/novel-nanoparticles-based-on-chitosan-dicarboxylate-conjugates-via-tandem-ionotropic-covalent-crosslinking-with-tripolyphosphate-and-subsequent-evaluation-as-drug-delivery-vehicles
#5
Isra Dmour, Mutasem O Taha
Chitosan-based nanoparticles prepared by ionotropic gelation are prone to stability issues. The aim of this work is to chemically modify chitosan by grafting to succinate, phthalate, glutarate and phenylsuccinate moieties and to investigate the suitability of the resulting polymers as covalently-crosslinked nanocarriers. Corresponding nanoparticles (NPs) were formulated by ionotropic gelation using tripolyphosphate (TPP) anion then they were covalently crosslinked using 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDC)...
June 17, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28632302/sequentially-responsive-shell-stacked-nanoparticles-for-deep-penetration-into-solid-tumors
#6
Jinjin Chen, Jianxun Ding, Yucai Wang, Jianjun Cheng, Shengxiang Ji, Xiuli Zhuang, Xuesi Chen
Nanomedicine to overcome both systemic and tumor tissue barriers ideally should have a transformable size and surface, maintaining a certain size and negative surface charge for prolonged circulation, while reducing to a smaller size and switching to a positive surface charge for efficient penetration to and retention in the interstitial space throughout the tumor tissue. However, the design of such size and charge dual-transformable nanomedicine is rarely reported. Here, the design of a shell-stacked nanoparticle (SNP) is reported, which can undergo remarkable size reduction from about 145 to 40 nm, and surface charge reversal from -7...
June 20, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28632185/the-effects-of-selected-sesquiterpenes-from-myrica-rubra-essential-oil-on-the-efficacy-of-doxorubicin-in-sensitive-and-resistant-cancer-cell-lines
#7
Martin Ambrož, Petra Matoušková, Adam Skarka, Martina Zajdlová, Kateřina Žáková, Lenka Skálová
β-caryophyllene oxide (CAO), α-humulene (HUM), trans-nerolidol (NER) and valencene (VAL) are constituents of the essential oil of Myrica rubra (MEO), which has significant antiproliferative effect in various cancer cell lines. In the present study, we compared the antiproliferative effect of these sesquiterpenes alone and in combination with the cytostatic drug doxorubicin (DOX) in cancer cell lines with different sensitivity to DOX. Two ovarian cancer cell lines (sensitive A2780 and partly resistant SKOV3) and two lymphoblast cancer cell lines (sensitive CCRF/CEM and completely resistant CEM/ADR) were used...
June 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28631963/tumor-penetrating-peptide-integrated-thermally-sensitive-liposomal-doxorubicin-enhances-efficacy-of-radiofrequency-ablation-in-liver-tumors
#8
Fei Yan, Song Wang, Wei Yang, S Nahum Goldberg, Hao Wu, Wan-Lu Duan, Zhi-Ting Deng, Hai-Bo Han, Hai-Rong Zheng
Purpose To investigate the role of a tumor-penetrating peptide (internalizing CRGDRGPDC [iRGD])-integrated thermally sensitive liposomal (TSL) doxorubicin (DOX) in combination with radiofrequency (RF) ablation of liver tumors in an animal model. Materials and Methods Approval from the institutional animal care and use committee was obtained. Characterization of iRGD-TSL-DOX was performed in vitro. Next, H22 liver adenocarcinomas were implanted in 138 mice in vivo. The DOX accumulation and cell apoptosis of iRGD-TSL-DOX and TSL-DOX with or without RF were evaluated (n = 5) at different time points after treatment with quantitative analysis or pathologic staining...
June 19, 2017: Radiology
https://www.readbyqxmd.com/read/28631775/-innovations-in-the-treatment-of-ovarian-cancer-analysis-of-the-therapeutic-development-from-platinum-to-immunotherapy
#9
Gesuino Angius, Pierangela Sepe, Anselmo Papa, Silverio Tomao, Federica Tomao
Ovarian cancer is the seventh most common cancer in women. The therapeutic approach provides for an appropriate integration between surgery and chemotherapy. Surgery is an important step for diagnosis, staging and therapy, aiming at the complete cytoreduction of all macroscopic visible disease. At the moment, adjuvant and first-line chemotherapy has as a standard the carboplatin-paclitaxel combination. Further, the addition of bevacizumab in the advanced stage (IIIB-IV) is strongly recommended. Despite the initial effectiveness, however, 70-80% of patients develop relapsed disease within the first two years and require subsequent treatment lines that have palliative, rather than curative purposes and that seek to reach a chronic state for the disease...
June 2017: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/28631652/primary-cutaneous-large-b-cell-lymphoma-of-scalp-case-report-of-a-rare-variant
#10
Yasmeen Khatib, Madhura Dande, Richa D Patel, Meena Makhija
Primary cutaneous large B-cell lymphoma (Bcl) is defined as a lymphoma composed of large cells constituting more than 80% of the infiltrate and absence of extracutaneous involvement after staging investigations. In the new World Health Organization/European Organization for Research and Treatment of Cancer classification, cutaneous Bcls with large cells are of three types - primary cutaneous large Bcl leg type (PCLBCLLT), primary cutaneous follicle center lymphoma diffuse type (PCFCLDT), and primary cutaneous large Bcls other (PCLBCLO)...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28631382/a-phase-ii-trial-evaluating-the-feasibility-of-adding-bevacizumab-to-standard-osteosarcoma-therapy
#11
Fariba Navid, Victor M Santana, Michael Neel, M Beth McCarville, Barry L Shulkin, Jianrong Wu, Catherine A Billups, Shenghua Mao, Vinay M Daryani, Clinton F Stewart, Michelle Kunkel, Wendene Smith, Deborah Ward, Alberto S Pappo, Armita Bahrami, David M Loeb, Jennifer Reikes Willert, Bhaskar N Rao, Najat C Daw
Increased vascular endothelial growth factor (VEGF) expression in osteosarcoma correlates with a poor outcome. We conducted a phase II trial to evaluate the feasibility and efficacy of combining bevacizumab, a monoclonal antibody against VEGF, with methotrexate, doxorubicin and cisplatin (MAP) in patients with localized osteosarcoma. Eligible patients received 2 courses of MAP chemotherapy before definitive surgery at week 10. Bevacizumab (15 mg/kg) was administered 3 days before starting chemotherapy then on day 1 of weeks 3 and 5 of chemotherapy...
June 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28631359/management-of-pediatric-hepatocellular-carcinoma-a-multimodal-approach
#12
Mira A Kohorst, Deepti M Warad, Jane M Matsumoto, Julie K Heimbach, Mounif El-Youssef, Carola A S Arndt, Vilmarie Rodriguez, Amulya A Nageswara Rao
HCC is rare in the pediatric population, but is the second most common liver malignancy in children. Survival rates for primary unresectable HCC have been dismal. The objective of this study was to describe our experience with a multimodal approach for the management of unresectable HCC in two adolescent patients and to review the literature. Both patients are currently alive with no recurrence at 51 and 29 months post-transplant. Multimodality treatment involving chemotherapy with doxorubicin, cisplatin, and sorafenib; TACE; timely liver transplantation; and post-transplant therapy with sorafenib and mTOR inhibitors may help improve outcomes and prolong survival in pediatric patients with unresectable HCC...
June 20, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28631252/synthesis-and-characterization-of-novel-carboxymethyl-assam-bora-rice-starch-for-the-controlled-release-of-cationic-anticancer-drug-based-on-electrostatic-interactions
#13
Sharmistha Mohapatra, Anees Ahmad Siddiqui, Mohammed Anwar, Neha Bhardwaj, Sohail Akhter, Farhan Jalees Ahmad
Carboxymethyl Assam Bora rice starch (CM-ABRS) was chemically synthesized in non-aqueous medium with the optimum degree of substitution (DS) of 1.23, and physicochemically characterized by FT-IR, DSC, XRD, and SEM analysis. Comparative evaluation of CM-ABRS with native starch (ABRS) for powder flow characteristics, swelling index, apparent solubility, rheological properties, textural properties, and mucoadhesive studies were carried out. The aim of the current work was to investigate the potential of CM-ABRS as a novel carrier for the water-soluble chemotherapeutic, doxorubicin hydrochloride (DOX)...
June 19, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28630710/hdac-inhibitor-conjugated-polymeric-prodrug-micelles-for-doxorubicin-delivery
#14
Suchithra A Senevirathne, Katherine E Washington, Jason B Miller, Michael C Biewer, David Oupicky, Daniel J Siegwart, Mihaela C Stefan
Amphiphilic diblock copolymers bearing histone deacetylase inhibitors (HDACi) (4-phenyl butyric acid and valproic acid) were synthesized by the ring-opening polymerization of γ-4-phenylbutyrate-ε-caprolactone (PBACL), γ-valproate-ε-caprolactone (VPACL), and ε-caprolactone (CL) from a poly(ethylene glycol) macroinitiator (PEG). These amphiphilic diblock copolymers self-assembled into stable pro-drug micelles and demonstrated excellent biocompatibility. High loading of doxorubicin (DOX) up to 5.1 wt% was achieved...
March 21, 2017: Journal of Materials Chemistry. B, Materials for Biology and Medicine
https://www.readbyqxmd.com/read/28630634/moxibustion-alleviates-injury-in-a-rat-focal-segmental-glomerulosclerosis-model
#15
Yi Li, Yuxia Sun, Chunling Zhang, Ke Wang, Peicheng Shen, Di Huang, Wen Ma, Jin Zhang, Lin Li, Liqun He
OBJECTIVES: To evaluate the therapeutic effects of moxibustion at Shenshu (BL-23) and Geshu (BL-17) acupoints in a focal segmental glomerulosclerosis (FSGS) model in rats. METHODS: A FSGS rat model was established by single nephrectomy and repeated injection of doxorubicin. The FSGS rats were randomly divided into the model group, losartan (positive control) group, Shenshu moxibustion group, and Geshu moxibustion group. Molecular indicators of kidney function and renal pathological changes were monitored...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28630491/chronic-high-fat-feeding-restricts-islet-mrna-translation-initiation-independently-of-er-stress-via-dna-damage-and-p53-activation
#16
Masayuki Hatanaka, Emily Anderson-Baucum, Alexander Lakhter, Tatsuyoshi Kono, Bernhard Maier, Sarah A Tersey, Yukio Tanizawa, Carmella Evans-Molina, Raghavendra G Mirmira, Emily K Sims
Under conditions of high fat diet (HFD) consumption, glucose dyshomeostasis develops when β-cells are unable to adapt to peripheral insulin demands. Few studies have interrogated the molecular mechanisms of β-cell dysfunction at the level of mRNA translation under such conditions. We sought to address this issue through polyribosome profile analysis of islets from mice fed 16-weeks of 42% HFD. HFD-islet analysis revealed clear trends toward global reductions in mRNA translation with a significant reduction in the polyribosome/monoribosome ratio for Pdx1 mRNA...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630480/pro-invasive-stimuli-and-the-interacting-protein-hsp70-favour-the-route-of-alpha-enolase-to-the-cell-surface
#17
Giovanni Perconti, Cristina Maranto, Daniele P Romancino, Patrizia Rubino, Salvatore Feo, Antonella Bongiovanni, Agata Giallongo
Cell surface expression of alpha-enolase, a glycolytic enzyme displaying moonlighting activities, has been shown to contribute to the motility and invasiveness of cancer cells through the protein non-enzymatic function of binding plasminogen and enhancing plasmin formation. Although a few recent records indicate the involvement of protein partners in the localization of alpha-enolase to the plasma membrane, the cellular mechanisms underlying surface exposure remain largely elusive. Searching for novel interactors and signalling pathways, we used low-metastatic breast cancer cells, a doxorubicin-resistant counterpart and a non-tumourigenic mammary epithelial cell line...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630419/iscador-qu-inhibits-doxorubicin-induced-senescence-of-mcf7-cells
#18
T Srdic-Rajic, J F Santibañez, K Kanjer, N Tisma-Miletic, M Cavic, D Galun, M Jevric, N Kardum, A Konic-Ristic, T Zoranovic
Chemotherapy in patients with inoperable or advanced breast cancer inevitably results in low-dose exposure of tumor-cell subset and senescence. Metabolically active senescent cells secrete multiple tumor promoting factors making their elimination a therapeutic priority. Viscum album is one of the most widely used alternative anti-cancer medicines facilitating chemotherapy tolerance of breast cancer patients. The aim of this study was to model and investigate how Viscum album extracts execute additive anti-tumor activity with low-dose Dox using ER + MCF7 breast cancer cells...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28629893/a-new-nir-triggered-dox-and-icg-co-delivery-system-for-enhanced-multidrug-resistant-cancer-treatment-through-simultaneous-chemo-photothermal-photodynamic-therapy
#19
Yanna Yu, Zhipeng Zhang, Yun Wang, Hao Zhu, Fangzhou Li, Yuanyuan Shen, Shengrong Guo
It is a great challenge to combat multidrug resistant (MDR) cancer effectively. To address this issue, we developed a new near-infrared (NIR) triggered chemotherapeutic agent doxorubicin (DOX) and photosensitizer indocyanine green (ICG) co-release system by aid of NIR induced photothermal effect of gold nanocages (AuNCs) and temperature sensitive phase-change property of 1-tetradecanol at its melting point of 39°C, which could simultaneously exerted chemo/photothermal/photodynamic treatment on MDR human breast cancer MCF-7/ADR cells...
June 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28629564/computed-tomography-perfusion-imaging-for-monitoring-transarterial-chemoembolization-of-hepatocellular-carcinoma
#20
Herman P Marquez, Amar Karalli, Holger Haubenreisser, Rishi P Mathew, Hatem Alkadhi, Torkel B Brismar, Thomas Henzler, Michael A Fischer
PURPOSE: To prospectively monitor changes in tumor perfusion of hepatocellular carcinoma (HCC) in response to doxorubicin-eluted bead based transarterial chemoembolization (DEB-TACE) using perfusion-CT (P-CT). METHODS AND MATERIALS: 24 patients (54-79 years) undergoing P-CT before and shortly after DEB-TACE of HCC were prospectively included in this dual-center study. Two readers determined arterial-liver-perfusion (ALP, mL/min/100mL), portal-venous-perfusion (PLP, mL/min/100mL) and the hepatic-perfusion-index (HPI, %) by placing matched regions-of-interests within each HCC before and after DEB-TACE...
June 2017: European Journal of Radiology
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