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https://www.readbyqxmd.com/read/29045824/enhanced-doxorubicin-delivery-to-hepatocellular-carcinoma-cells-via-cd147-antibody-conjugated-immunoliposomes
#1
Jian Wang, Zhitao Wu, Guoyu Pan, Junsheng Ni, Fangyuan Xie, Beige Jiang, Lixin Wei, Jie Gao, Weiping Zhou
HAb18G/CD147, an important marker in the progression of hepatocellular carcinoma (HCC), is highly expressed on the surface of HCC cells. To increase the therapeutic efficacy of Doxil (PEGylated liposomal doxorubicin) against HCC, we constructed CD147-targeted doxorubicin-loaded immunoliposomes (Anti-CD147 ILs-DOX) by conjugating F(ab')2 of a CD147-specific monoclonal antibody to DSPE-PEG-MAL, and then inserted the antibody-conjugated polymer to Doxil. Anti-CD147 ILs-DOX delivered DOX to CD147-overexpressing HCC cells specifically and efficiently in vitro and in vivo, resulting in enhanced therapeutic effects than non-targeted controls...
October 15, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29045503/maintenance-therapy-following-induction-chemoimmunotherapy-in-patients-with-diffuse-large-b-cell-lymphoma-current-perspective
#2
N M Reddy, C Thieblemont
Background: Maintenance therapy has proven efficacy in indolent non-Hodgkin lymphoma (NHL), yet its role in diffuse large B-cell lymphoma (DLBCL) is an area of ongoing investigation. While DLBCL is potentially curable, >30% of patients relapse following front-line therapy and have a poor prognosis, especially those with refractory disease. Maintenance therapy holds promise to maintain response post-induction. Patients and methods: Keyword searches were carried out in PubMed and congress abstracts of 'diffuse large B-cell lymphoma' and 'maintenance' and focused on phase II/III studies of maintenance following front-line induction...
July 14, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29045286/ability-of-non-strain-diastolic-parameters-to-predict-doxorubicin-induced-cardiomyopathy-a-systematic-review-with-meta-analysis
#3
Mohamed Nagiub, J V Ian Nixon, Michael C Kontos
Doxorubicin is an important cause of chemotherapy-induced cardiomyopathy. Prior studies have found conflicting results of whether non-strain diastolic parameters can predict doxorubicin- induced cardiotoxicity. We performed a systematic review of English written publications using preferred reporting items for systematic reviews and meta-analysis guidelines (PRISMA). The following inclusion criteria were applied: cancer subjects, echo-derived non-strain diastolic profile, patients compared before and after treatment to predict systolic dysfunction...
October 17, 2017: Cardiology in Review
https://www.readbyqxmd.com/read/29045226/science-to-practice-molecular-targeted-drug-delivery-in-combination-with-radiofrequency-ablation-of-liver-cancer-a-magic-bullet
#4
Lucas Christoph Adam, Nikitha Murali, Julius Chapiro, Jean-François Geschwind
In an effort to improve the technical success rates and clinical outcomes of radiofrequency (RF) ablation, Yan et al validated the use of a tumor-penetrating peptide and thermosensitive doxorubicin (DOX)-loaded nanoparticles in combination with RF ablation in a hepatocellular carcinoma mouse model. By achieving higher chemotherapeutic drug concentrations in target lesions, fewer toxic effects, and improved survival end points in an animal tumor model, the authors conclude that superior tumor treatment with RF ablation is possible when combined with molecular-targeted drug delivery systems...
November 2017: Radiology
https://www.readbyqxmd.com/read/29045127/revealing-dynamics-of-accumulation-of-systemically-injected-liposomes-in-the-skin-by-intravital-microscopy
#5
James I Griffin, Guankui Wang, Weston J Smith, Vivian P Vu, Robert Scheinman, Dominik Stitch, Radu Moldovan, Seyed Moein Moghimi, Dmitri Simberg
Accumulation of intravenously injected cytotoxic liposomes in the skin induces serious toxicity. We used single time point and longitudinal intravital microscopy to understand skin accumulation dynamics of non-PEGylated and PEGylated liposomes after systemic injection into mice. Non-PEGylated egg phosphatidylcholine (PC) liposomes showed short circulation half-life (1.3 h) and immediate aggregation in the blood, with some aggregates lodging in skin microvasculature soon after the injection. At 24 h, and more prominently at 48 h postinjection, liposomes appeared in dermal and subdermal cells...
October 18, 2017: ACS Nano
https://www.readbyqxmd.com/read/29045014/efficacy-and-toxicity-of-pegylated-liposomal-doxorubicin-based-chemotherapy-in-early-stage-breast-cancer-a-multicenter-retrospective-case-control-study
#6
Fu Ou Yang, Nicholas C Hsu, Sin-Hua Moi, Yin-Che Lu, Chia-Ming Hsieh, King-Jen Chang, Dar-Ren Chen, Chi-Wen Tu, Hwei-Chung Wang, Ming-Feng Hou
AIM: PEGylated liposomal doxorubicin (PLD) has comparable efficacy and differing toxicity from conventional anthracyclines used to treat advanced breast cancer. This study compared disease-free survival and toxicity between PLD-based and conventional anthracycline-based regimens as adjuvant treatments for early-stage breast cancer. METHODS: We analyzed disease-free survival (DFS) rates, and adverse events in 102 women with early-stage (I-IIIa) breast cancer who received adjuvant PLD-based chemotherapy from 2002 to 2008...
October 18, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29044377/heparosan-coated-liposomes-for-drug-delivery
#7
Rachel S Lane, F Michael Haller, Anais A E Chavaroche, Andrew Almond, Paul L DeAngelis
Liposomal encapsulation is a useful drug delivery strategy for small molecules, especially chemotherapeutic agents such as doxorubicin. Doxil® is a doxorubicin-containing liposome ("dox-liposome") that passively targets drug to tumors while reducing side effects caused by free drug permeating and poisoning healthy tissues. Polyethylene glycol (PEG) is the hydrophilic coating of Doxil® that protects the formulation from triggering the mononuclear phagocyte system (MPS). Evading the MPS prolongs dox-liposome circulation time thus increasing drug deposition at the tumor site...
November 1, 2017: Glycobiology
https://www.readbyqxmd.com/read/29043812/amphiphilic-modulation-of-glycosylated-antitumor-ether-lipids-results-in-a-potent-triamino-scaffold-against-epithelial-cancer-cell-lines-and-bt474-cancer-stem-cells
#8
Temilolu Idowu, Pranati Samadder, Gilbert Arthur, Frank M Schweizer
The problems of resistance to apoptosis-inducing drugs, recurrence, and metastases that have bedeviled cancer treatment have been attributed to the presence of cancer stem cells (CSCs) in tumors, and there is currently no clinically indicated drug for their eradication. We previously reported that glycosylated antitumor ether lipids (GAELs) display potent activity against CSCs. Here, we show that by carefully modulating the amphiphilic nature of a monoamine-based GAEL, we can generate a potent triamino scaffold that is active against a panel of hard-to-kill epithelial cancer cell lines (including triple-negative) and BT474 CSCs...
October 18, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29043471/nanostructured-lipid-carrier-co-loaded-with-doxorubicin-and-docosahexaenoic-acid-as-a-theranostic-agent-evaluation-of-biodistribution-and-antitumor-activity-in-experimental-model
#9
Renata S Fernandes, Juliana O Silva, Samuel V Mussi, Sávia C A Lopes, Elaine A Leite, Geovanni D Cassali, Valbert N Cardoso, Danyelle M Townsend, Patrick M Colletti, Lucas A M Ferreira, Domenico Rubello, André L B de Barros
PURPOSE: Nanotheranostic platforms, i.e., the combination of both therapeutic and diagnostic agents on a single platform, are emerging as an interesting tool for the personalized cancer medicine. Therefore, the aim of this work was to evaluate the in vivo properties of a Tc-99m-labeled nanostructured lipid carrier (NLC) formulation, co-loaded with doxorubicin (DOX) and docosahexaenoic acid (DHA), for theranostic applications. PROCEDURES: NLC-DHA-DOX were prepared busing the hot melting homogenization method using an emulsification-ultrasound and were radiolabeled with Tc-99m...
October 17, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/29043319/triple-function-nanocomposites-of-porous-silica-cofe2o4-mwcnts-as-a-carrier-for-ph-sensitive-anti-cancer-drug-controlled-delivery
#10
Huitao Fan, Xiaojing Xing, Yuhan Yang, Bo Li, Congcong Wang, Dongfang Qiu
Cobalt ferrite nanoparticles loaded on multiwalled carbon nanotube (MWCNT) magnetic hybrids have been demonstrated to be promising magnetic resonance imaging contrast agents and drug carriers. However, the hydrophobic, less biocompatible characteristics and low loading capacity for the drug hamper their wide biological applications. To solve the above problem, an alternative strategy is to coat the MWCNTs@CoFe2O4 nanoparticles with a mesoporous silica (mSiO2) shell. Herein, the reasonable fabrication process results in successful coating mSiO2 on the as-obtained MWCNTs@CoFe2O4 nanoparticles, forming well-defined core-shell-structured MWCNTs@CoFe2O4@mSiO2 nanocomposites...
October 18, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29042995/overexpression-of-dominant-negative-ikaros-6-isoform-is-associated-with-resistance-to-tkis-in-patients-with-philadelphia-chromosome-positive-acute-lymphoblastic-leukemia
#11
Changfeng Shao, Jie Yang, Yirong Kong, Cong Cheng, Wei Lu, Hongzai Guan, Haiyan Wang
The clinical significance of the dominant-negative Ikaros 6 (DN-IK6) in the treatment of patients with Philadelphia-positive acute lymphoblastic leukemia (Ph(+)-ALL) with tyrosine kinase inhibitors (TKIs) remains elusive. In the present study, it was demonstrated that DN-IK6 was overexpressed in B-cell (B)-ALL cases compared with T cell-ALL cases at the mRNA and protein levels. Furthermore, nucleotide sequencing revealed that DN-IK6 was due to the deletion of IKAROS family zinc finger 1 exons 4-7. The outcome of patients with Ph(+)-B-ALL with DN-IK6, and treated with TKIs and hyper-cyclophosphamide/vincristine/doxorubicin/dexamethasone regimen were restrospectively evaluated in a 2 year follow-up...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29042798/crizotinib-a-met-inhibitor-inhibits-growth-migration-and-invasion-of-breast-cancer-cells-in-vitro-and-synergizes-with-chemotherapeutic-agents
#12
Nehad M Ayoub, Kamal M Al-Shami, Mohammad A Alqudah, Nizar M Mhaidat
MET is a receptor tyrosine kinase known for its pleiotropic effects in tumorigenesis. Dysregulations of MET expression and/or signaling have been reported and determined to be associated with inferior outcomes in breast cancer patients rendering MET a versatile candidate for targeted therapeutic intervention. Crizotinib is a multi-targeted small-molecule kinase inhibitor for MET, ALK, and ROS1 kinases. This study evaluated the anti-proliferative, cytotoxic, anti-migratory, and anti-invasive effects of crizotinib in breast cancer cells in vitro...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29042775/mesoporous-composite-nanoparticles-for-dual-modality-ultrasound-magnetic-resonance-imaging-and-synergistic-chemo-thermotherapy-against-deep-tumors
#13
Nan Zhang, Ronghui Wang, Junnian Hao, Yang Yang, Hongmi Zou, Zhigang Wang
High-intensity focused ultrasound (HIFU) is a promising and noninvasive treatment for solid tumors, which has been explored for potential clinical applications. However, the clinical applications of HIFU for large and deep tumors such as hepatocellular carcinoma (HCC) are severely limited by unsatisfactory imaging guidance, long therapeutic times, and damage to normal tissue around the tumor due to the high power applied. In this study, we developed doxorubicin/perfluorohexane-encapsulated hollow mesoporous Prussian blue nanoparticles (HMPBs-DOX/PFH) as theranostic agents, which can effectively guide HIFU therapy and enhance its therapeutic effects in combination with chemotherapy, by decreasing the cavitation threshold...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29042665/gdc-0449-improves-the-antitumor-activity-of-nano-doxorubicin-in-pancreatic-cancer-in-a-fibroblast-enriched-microenvironment
#14
Quan Zhou, Yongcun Zhou, Xiangrui Liu, Youqing Shen
Pancreatic cancer is one of the most lethal human cancers that currently does not have effective therapies. Novel treatments including nanomedicines and combination therapies are thus urgently needed for these types of deadly diseases. A key feature of pancreatic cancer is its tumor protective dense stroma, which is generated by cancer-associated fibroblasts (CAFs). The interaction between CAFs and pancreatic cancer cells abnormally activates sonic hedgehog (SHH) signaling and facilitates tumor growth, metastasis, and drug resistance...
October 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29042174/results-of-upfront-therapy-for-marginal-zone-lymphoma
#15
José L Ortega, Fernando Cabanillas, Noridza Rivera, Maribel Tirado-Gomez, Deana Hallman, Wandaly I Pardo, Margarita Bruno
BACKGROUND: Marginal zone lymphomas (MZLs) are indolent disorders composed of 3 subtypes: extranodal marginal zone lymphoma (MALT), splenic marginal zone lymphoma (SMZL), and nodal marginal zone lymphoma (NMZL). Early-stage MALT is treated with radiotherapy or antibiotics, and advanced MALT and NMZL are managed with either watch and wait or chemotherapy. SMZLs are treated with splenectomy or rituximab. However, because these approaches have failed to cure patients with SMZL and NMZL, we have systematically used upfront chemotherapy for them, as well as for advanced MALT...
September 23, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29042083/aprotinin-prevents-proteolytic-epithelial-sodium-channel-enac-activation-and-volume-retention-in-nephrotic-syndrome
#16
Bernhard N Bohnert, Martina Menacher, Andrea Janessa, Matthias Wörn, Anja Schork, Sophie Daiminger, Hubert Kalbacher, Hans-Ulrich Häring, Christoph Daniel, Kerstin Amann, Florian Sure, Marko Bertog, Silke Haerteis, Christoph Korbmacher, Ferruh Artunc
Volume retention in nephrotic syndrome has been linked to activation of the epithelial sodium channel (ENaC) by proteolysis of its γ-subunit following urinary excretion of serine proteases such as plasmin. Here we tested whether pharmacological inhibition of urinary serine protease activity might protect from ENaC activation and volume retention in nephrotic syndrome. Urine from both nephrotic mice (induced by doxorubicin injection) and nephrotic patients exhibited high aprotinin-sensitive serine protease activity...
October 14, 2017: Kidney International
https://www.readbyqxmd.com/read/29039999/treatment-and-survival-of-childhood-neuroblastoma-evidence-from-a-population-based-study-in-the-united-states
#17
Dairmuid Coughlan, Matthew Gianferante, Charles F Lynch, Jennifer L Stevens, Linda C Harlan
BACKGROUND: Childhood neuroblastoma describes a heterogeneous group of extracranial solid tumors, that are treated per risk profile. We sought to describe treatment patterns and survival using population-based data from throughout the United States. MATERIALS AND METHODS: Using the National Cancer Institute (NCI)'s Patterns of Care data, we analyzed treatment provided to newly diagnosed, histologically confirmed neuroblastoma patients in 2010 and 2011, registered to one of 14 Surveillance, Epidemiology, and End Results (SEER) cancer registries...
October 17, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29039023/astaxanthin-ameliorates-doxorubicin-induced-cognitive-impairment-chemobrain-in-experimental-rat-model-impact-on-oxidative-inflammatory-and-apoptotic-machineries
#18
Sara Emad El-Agamy, Amal Kamal Abdel-Aziz, Sara Wahdan, Ahmed Esmat, Samar S Azab
Chemobrain refers to a common sequelae experienced by 15-80% of cancer patients exposed to chemotherapeutics. The antineoplastic agent doxorubicin (DOX) has been implicated in a strenuous neurotoxicity manifested as decline in cognitive functions, most probably via cytokine-induced oxidative and nitrosative damage to brain tissues. Astaxanthin (AST), a naturally occurring carotenoid, is reputable for its outstanding antioxidant, anti-inflammatory, and antiapoptotic activities. Therefore, the aim of the current study was to investigate the potential neuroprotective and memory-enhancing effects of AST against DOX-induced behavioral and neurobiological abnormalities...
October 16, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/29038417/role-of-exogenous-phosphocreatine-in-chemotherapy-induced-cardiomyopathy
#19
Swapnil Parve, Gulnaz I Aliakberova, Albert A Gylmanov, Diana I Abdulganieva
The 5-fluorouracil, doxorubicin, and cyclophosphamide (FAC) regimen is widely used in the management of breast cancer. The common cardiotoxic effects of doxorubicin include congestive heart failure and left ventricular dysfunction, and those of cyclophosphamide include pericarditis, myocarditis, and congestive heart failure. It has been postulated that cardiotoxicity of 5-fluorouracil presents as coronary artery diseases (eg, angina). Cardiomyopathy is a common outcome following treatment with the FAC regimen...
2017: Reviews in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29036617/arrayed-mutant-haploid-embryonic-stem-cell-libraries-facilitate-phenotype-driven-genetic-screens
#20
Guang Liu, Xue Wang, Yufang Liu, Meili Zhang, Tao Cai, Zhirong Shen, Yuyan Jia, Yue Huang
Forward genetic screens using mammalian embryonic stem (ES) cells have identified genes required for numerous cellular processes. However, loss-of-function screens are more difficult to conduct in diploid cells because, in most cases, both alleles of a gene must be mutated to exhibit a phenotype. Recently, mammalian haploid ES cell lines were successfully established and applied to several recessive genetic screens. However, all these screens were performed in mixed pools of mutant cells and were mainly based on positive selection...
September 28, 2017: Nucleic Acids Research
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