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https://www.readbyqxmd.com/read/28107750/effect-of-clinically-approved-hdac-inhibitors-on-plasmodium-leishmania-and-schistosoma-parasite-growth
#1
Ming Jang Chua, Megan S J Arnold, Weijun Xu, Julien Lancelot, Suzanne Lamotte, Gerald F Späth, Eric Prina, Raymond J Pierce, David P Fairlie, Tina S Skinner-Adams, Katherine T Andrews
Malaria, schistosomiasis and leishmaniases are among the most prevalent tropical parasitic diseases and each requires new innovative treatments. Targeting essential parasite pathways, such as those that regulate gene expression and cell cycle progression, is a key strategy for discovering new drug leads. In this study, four clinically approved anti-cancer drugs (Vorinostat, Belinostat, Panobinostat and Romidepsin) that target histone/lysine deacetylase enzymes were examined for in vitro activity against Plasmodium knowlesi, Schistosoma mansoni, Leishmania amazonensis and L...
December 23, 2016: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/28105638/socioeconomic-disparities-financial-toxicity-and-opportunities-for-enhanced-system-efficiencies-for-patients-with-cancer
#2
Daniel E Abbott, Corrine L Voils, Deborah A Fisher, Caprice C Greenberg, Nasia Safdar
Cancer care continues to stress the US healthcare system with increases in life expectancy, cancer prevalence, and survivors' complex needs. These challenges are compounded by socioeconomic, racial, and cultural disparities that are associated with poor clinical outcomes. One innovative and resource-wise strategy to address this demand on the system is expanded use of telehealth. This paradigm has the potential to decrease healthcare and patient out-of-pocket costs and improve patient adherence to recommended treatment and/or surveillance...
January 20, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28102961/assessing-the-use-of-4dct-ventilation-in-pre-operative-surgical-lung-cancer-evaluation
#3
Yevgeniy Vinogradskiy, Matthew Jackson, Leah Schubert, Bernard Jones, Richard Castillo, Edward Castillo, Thomas Guerrero, John Mitchell, Chad Rusthoven, Moyed Miften, Brian Kavanagh
PURPOSE: A primary treatment option for lung cancer patients is surgical resection. Patients who have poor lung function prior to surgery are at increased risk of developing serious and life-threatening complications after surgical resection. Surgeons use nuclear medicine ventilation-perfusion (VQ) scans along with pulmonary function test (PFT) information to assess a patient's pre-surgical lung function. The nuclear medicine images and pre-surgery PFTs are used to calculate percent predicted postoperative (%PPO) PFT values by estimating the amount of functioning lung tissue that would be lost with surgical resection...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28102324/antiproliferative-and-apoptosis-inducing-effect-of-exo-protoporphyrin-ix-based-sonodynamic-therapy-on-human-oral-squamous-cell-carcinoma
#4
Yanhong Lv, Jinhua Zheng, Qi Zhou, Limin Jia, Chunying Wang, Nian Liu, Hong Zhao, Hang Ji, Baoxin Li, Wenwu Cao
Sonodynamic therapy (SDT) is an innovative modality for cancer treatment. But the biological effect of SDT on oral squamous cell carcinoma has not been studied. Our previous study has shown that endo-Protoporphyrin IX based SDT (ALA-SDT) could induce apoptosis in human tongue squamous carcinoma SAS cells through mitochondrial pathway. Herein, we investigated the effect of exo- Protoporphyrin based SDT (PpIX-SDT) on SAS cells in vitro and in vivo. We demonstrated that PpIX-SDT increased the ratio of cells in the G2/M phase and induced 3-4 times more cell apoptosis compared to sonocation alone...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28100369/-innovations-on-technology-management-and-concept-are-indispensible-for-scientific-research-prevention-and-treatment-of-malignant-tumor-in-china
#5
G W Cao
Malignant tumor has become the top cause of deaths before the average life expectancy in Chinese population. From the variations in the morbidity rate and mortality rate of malignant tumor in the mainland of China between 2000 and 2011, the primary prevention targeting the risk factors/etiological agents significantly reduced the morbidity rates of gastric cancer, esophageal cancer, and primary liver cancer, therefore reduced the mortality rates of these cancers. However, the contribution of clinical treatments to the mortality reduction was not obviously improved during this period...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28090286/novel-methods-in-pulmonary-hypertension-phenotyping-in-the-age-of-precision-medicine-2015-grover-conference-series
#6
REVIEW
Jarrod W Barnes, Adriano R Tonelli, Gustavo A Heresi, Jennie E Newman, Noël E Mellor, David E Grove, Raed A Dweik
Among pulmonary vascular diseases, pulmonary hypertension (PH) is the best studied and has been the focus of our work. The current classification of PH is based on a relatively simple combination of patient characteristics and hemodynamics. This leads to inherent limitations, including the inability to customize treatment and the lack of clarity from a more granular identification based on individual patient phenotypes. Accurate phenotyping of PH can be used in the clinic to select therapies and determine prognosis and in research to increase the homogeneity of study cohorts...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28088691/stability-effect-of-cholesterol-poly-acrylic-acid-in-a-stimuli-responsive-polymer-liposome-complex-obtained-from-soybean-lecithin-for-controlled-drug-delivery
#7
M G Simões, P Alves, Manuela Carvalheiro, P N Simões
The development of polymer-liposome complexes (PLCs), in particular for biomedical applications, has grown significantly in the last decades. The importance of these studies comes from the emerging need in finding intelligent controlled release systems, more predictable, effective and selective, for applications in several areas, such as treatment and/or diagnosis of cancer, neurological, dermatological, ophthalmic and orthopedic diseases, gene therapy, cosmetic treatments, and food engineering. This work reports the development and characterization of a pH sensitive system for controlled release based on PLCs...
January 4, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28088668/near-infrared-light-triggered-drug-delivery-system-for-higher-efficacy-of-combined-chemo-photothermal-treatment
#8
Yi Chen, Haohuan Li, Yueyang Deng, Haifeng Sun, Xue Ke, Tianyuan Ci
: The combination of chemotherapy and photothermal therapy is a promising strategy for cancer treatment. In the present study, indocyanine green (ICG), a widely used near-infrared (NIR) dye in photothermal therapy, and chemotherapeutic drug-doxorubicin (DOX) were loaded within the nanoparticles of novel designed arylboronic ester and cholesterol modified hyaluronic acid (PPE-Chol1-HA), denoted as PCH-DI. We take advantage of reactive oxygen species (ROS) production capability of ICG and ROS-sensitivity of arylboronic ester to realize controllable drug release...
January 11, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28087106/charge-variant-analysis-of-proposed-biosimilar-to-trastuzumab
#9
Pravinkumar Dakshinamurthy, Pavithra Mukunda, Bhargav Prasad Kodaganti, Bharath Ravindra Shenoy, Bairavabalakumar Natarajan, Amol Maliwalave, Vivek Halan, Sathyabalan Murugesan, Sunit Maity
Trastuzumab is a humanized monoclonal antibody (mAb) employed for the treatment of HER2 Positive Breast Cancer. A HER2 overexpressing tumor cell binds to Trastuzumab and attracts immune cells which lead to induction of Antibody Dependent Cellular Cytotoxicity (ADCC) by binding to Fc receptors (CD16a or FcγRIIIa) on an effector cell, such as natural killer (NK) cells. The most commonly expressed receptor on NK cell is CD16a which binds to the Fc portion of Trastuzumab. The ligand-independent HER2-HER3 dimerization is the most potent stimulator of downstream pathways for regulation of cell growth and survival...
January 10, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/28086831/evaluation-of-the-cytotoxicity-of-the-bithionol-cisplatin-combination-in-a-panel-of-human-ovarian-cancer-cell-lines
#10
Vijayalakshmi N Ayyagari, Tsung-Han Jeff Hsieh, Paula L Diaz-Sylvester, Laurent Brard
BACKGROUND: Combination drug therapy appears a promising approach to overcome drug resistance and reduce drug-related toxicities in ovarian cancer treatments. In this in vitro study, we evaluated the antitumor efficacy of cisplatin in combination with Bithionol (BT) against a panel of ovarian cancer cell lines with special focus on cisplatin-sensitive and cisplatin-resistant cell lines. The primary objectives of this study are to determine the nature of the interactions between BT and cisplatin and to understand the mechanism(s) of action of BT-cisplatin combination...
January 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28059624/pre-clinical-development-of-gene-modification-of-hematopoietic-stem-cells-with-chimeric-antigen-receptors-for-cancer-immunotherapy
#11
Sarah M Larson, Laurel C Truscott, Tzu-Ting Chiou, Amie Patel, Roy Kao, Andy Tu, Tulika Tyagi, Xiang Lu, David Elashoff, Satiro N De Oliveira
Patients with refractory or recurrent B-lineage hematologic malignancies have less than 50% of chance of cure despite intensive therapy and innovative approaches are needed. We hypothesize that gene modification of hematopoietic stem cells (HSC) with an anti-CD19 chimeric antigen receptor (CAR) will produce a multi-lineage, persistent immunotherapy against B-lineage malignancies that can be controlled by the HSVsr39TK suicide gene. High-titer third-generation self-inactivating lentiviral constructs were developed to deliver a second-generation CD19-specific CAR and the herpes simplex virus thymidine kinase HSVsr39TK to provide a suicide gene to allow ablation of gene-modified cells if necessary...
January 6, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28057171/predicting-high-impact-pharmacological-targets-by-integrating-transcriptome-and-text-mining-features
#12
Anatoly Mayburd, Ancha Baranova
PURPOSE: Novel, "outside of the box" approaches are needed for evaluating candidate molecules, especially in oncology. Throughout the years of 2000-2010, the efficiency of drug development fell to barely acceptable levels, and in the second decade of this century, levels have improved only marginally. This dismal condition continues despite unprecedented progress in the development of a variety of high-throughput tools, computational methods, aggregated databases, drug repurposing programs and innovative chemistries...
October 2016: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28051882/are-sigma-modulators-an-effective-opportunity-for-cancer-treatment-a-patent-overview-1996-2016
#13
Simona Collina, Emanuele Bignardi, Marta Rui, Daniela Rossi, Raffaella Gaggeri, Alice Zamagni, Michela Cortesi, Anna Tesei
Although several molecular targets against cancer have been identified, there is a continuous need for new therapeutic strategies. Sigma Receptors (SRs) overexpression has been recently associated to different cancer conditions. Therefore, novel anticancer agents targeting SRs may increase the specificity of therapies, overcoming some of the common drawbacks of conventional chemotherapy. Areas covered: The present review focuses on patent documents disclosing SR modulators with possible application in cancer therapy and diagnosis...
January 4, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28047692/we-h-209-01-advances-in-ultrasound-therapy
#14
K Hynynen
: Focused ultrasound has been shown to be the only method that allows noninvasive thermal coagulation of tissues and recently this potential has been explored for image-guided drug delivery. In this presentation, the advances in ultrasound phased array technology for energy delivery, exposure monitoring and control will be discussed. Experimental results from novel multi-frequency transmit/receive arrays will be presented. In addition, the feasibility of fully electronically focused and steered high power arrays with many thousands of transducer elements will be discussed...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047539/su-f-j-136-impact-of-audiovisual-biofeedback-on-interfraction-motion-over-a-course-of-liver-cancer-stereotactic-body-radiotherapy
#15
S Pollock, R Tse, D Martin, L McLean, M Pham, D Tait, R Estoesta, G Whittington, J Turley, C Kearney, G Cho, R Hill, S Pickard, P Aston, K Makhija, R O'Brien, P Keall
PURPOSE: In abdominal radiotherapy inconsistent interfraction respiratory motion can result in deviations during treatment from what was planned in terms of target position and motion. Audiovisual biofeedback (AVB) is an interactive respiratory guide that produces a guiding interface that the patient follows over a course of radiotherapy to facilitate regular respiratory motion. This study assessed the impact of AVB on interfraction motion consistency over a course of liver cancer SBRT...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047282/tu-fg-202-03-recent-technology-innovations-in-prostate-brachytherapy
#16
J Cunha
: The greater use of magnetic resonance imaging (MR) in brachytherapy, for both image based planning and image guided procedures, presents a number of challenges for the physicist involved. MR is widely acknowledged as the imaging modality of choice to appreciate a patient's pelvic anatomy and is thus used more often for brachytherapy of gynecologic and prostate cancers. Incorporating MR in brachytherapy treatments requires changes throughout the clinical workflow from implantation through target definition, applicator digitization and post-implant evaluation...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047209/su-c-brc-01-a-monte-carlo-study-of-out-of-field-doses-from-cobalt-60-teletherapy-units-intended-for-historical-correlations-of-dose-to-normal-tissue
#17
H Petroccia, E Olguin, W Culberson, B Bednarz, N Mendenhall, W Bolch
PURPOSE: Innovations in radiotherapy treatments, such as dynamic IMRT, VMAT, and SBRT/SRS, result in larger proportions of low-dose regions where normal tissues are exposed to low doses levels. Low doses of radiation have been linked to secondary cancers and cardiac toxicities. The AAPM TG Committee No.158 entitled, 'Measurements and Calculations of Doses outside the Treatment Volume from External-Beam Radiation Therapy', has been formed to review the dosimetry of non-target and out-of-field exposures using experimental and computational approaches...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046887/we-fg-bra-02-docetaxel-eluting-brachytherapy-spacers-for-local-chemo-radiation-therapy-in-prostate-cancer
#18
J Belz, R Kumar, G Makrigiorgos, A D'Amico, P Nguyen, R Cormack, S Sridhar
PURPOSE: We propose an innovative combinatorial treatment strategy of Local ChemoRadiation Therapy (LCRT) using a sustained drug delivery platform in the form of a spacer to locally radio-sensitize the prostate with Docetaxel (DTX) enabling a synergistic cure with the use of lower radiation doses. These biodegradable spacers are physically similar to the inert spacers routinely used in prostate brachytherapy but are now loaded with formulations of DTX. METHODS: Spacers were loaded with ∼500µg Docetaxel (DTX) for prostate cancer studies...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046564/tu-fg-202-00-advances-and-innovations-in-image-guided-brachytherapy
#19
Robert Cormack
: The greater use of magnetic resonance imaging (MR) in brachytherapy, for both image based planning and image guided procedures, presents a number of challenges for the physicist involved. MR is widely acknowledged as the imaging modality of choice to appreciate a patient's pelvic anatomy and is thus used more often for brachytherapy of gynecologic and prostate cancers. Incorporating MR in brachytherapy treatments requires changes throughout the clinical workflow from implantation through target definition, applicator digitization and post-implant evaluation...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046536/we-h-209-00-carson-zagzebski-distinguished-lectureship-image-guided-ultrasound-therapy
#20
Thaddeus Wilson
: Focused ultrasound has been shown to be the only method that allows noninvasive thermal coagulation of tissues and recently this potential has been explored for image-guided drug delivery. In this presentation, the advances in ultrasound phased array technology for energy delivery, exposure monitoring and control will be discussed. Experimental results from novel multi-frequency transmit/receive arrays will be presented. In addition, the feasibility of fully electronically focused and steered high power arrays with many thousands of transducer elements will be discussed...
June 2016: Medical Physics
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