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https://www.readbyqxmd.com/read/28430624/photosensitizers-in-prostate-cancer-therapy
#1
REVIEW
Taher Gheewala, Troy Skwor, Gnanasekar Munirathinam
The search for new therapeutics for the treatment of prostate cancer is ongoing with a focus on the balance between the harms and benefits of treatment. New therapies are being constantly developed to offer treatments similar to radical therapies, with limited side effects. Photodynamic therapy (PDT) is a promising strategy in delivering focal treatment in primary as well as post radiotherapy prostate cancer. PDT involves activation of a photosensitizer (PS) by appropriate wavelength of light, generating transient levels of reactive oxygen species (ROS)...
February 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430533/new-directions-in-the-rational-design-of-electrical-and-magnetic-seizure-therapies-individualized-low-amplitude-seizure-therapy-ilast-and-magnetic-seizure-therapy-mst
#2
Thomas Radman, Sarah H Lisanby
Electroconvulsive therapy remains a key treatment option for severe cases of depression, but undesirable side-effects continue to limit its use. Innovations in the design of novel seizure therapies seek to improve its risk benefit ratio through enhanced control of the focality of stimulation. The design of seizure therapies with increased spatial precision is motivated by avoiding stimulation of deep brain structures implicated in memory retention, including the hippocampus. The development of two innovations in seizure therapy-individualized low-amplitude seizure therapy (iLAST) and magnetic seizure therapy (MST), are detailed...
April 21, 2017: International Review of Psychiatry
https://www.readbyqxmd.com/read/28427752/spontaneously-arising-tumours-and-tumour-like-lesions-of-the-cervix-and-uterus-in-83-pet-guinea-pigs-cavia-porcellus
#3
C Laik-Schandelmaier, R Klopfleisch, S Schöniger, G Weiffenbach, M Staudacher, H Aupperle
Tumours and tumour-like lesions are rare findings in the genital system of guinea pigs. The aim of the present study was to characterize nodular lesions in the cervix and uterus of guinea pigs submitted for histopathological diagnosis. Samples from 83 pet animals were investigated. Cases included 64 surgically excised masses including complete uteri (n = 37), parts from uteri containing masses (n = 8), complete masses (n = 12) or samples from masses (n = 7) and 19 complete necropsy examinations. In 55 of the cases, only solitary changes were observed; in 28 cases two or more lesions were diagnosed...
April 17, 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28427224/ponatinib-promotes-a-g1-cell-cycle-arrest-of-merlin-nf2-deficient-human-schwann-cells
#4
Alejandra M Petrilli, Jeanine Garcia, Marga Bott, Stephani Klingeman Plati, Christine T Dinh, Olena R Bracho, Denise Yan, Bing Zou, Rahul Mittal, Fred F Telischi, Xue-Zhong Liu, Long-Sheng Chang, D Bradley Welling, Alicja J Copik, Cristina Fernández-Valle
Neurofibromatosis type 2 (NF2) is a genetic syndrome that predisposes individuals to multiple benign tumors of the central and peripheral nervous systems, including vestibular schwannomas. Currently, there are no FDA approved drug therapies for NF2. Loss of function of merlin encoded by the NF2 tumor suppressor gene leads to activation of multiple mitogenic signaling cascades, including platelet-derived growth factor receptor (PDGFR) and SRC in Schwann cells. The goal of this study was to determine whether ponatinib, an FDA-approved ABL/SRC inhibitor, reduced proliferation and/or survival of merlin-deficient human Schwann cells (HSC)...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427068/intravitreal-steroids-in-diabetic-macular-edema
#5
Rosangela Lattanzio, Maria Vittoria Cicinelli, Francesco Bandello
Over the past decade, great strides have been made in the management of diabetic macular edema (DME). Therapeutic alternatives now include focal/grid laser photocoagulation, vitreo-retinal surgery, and intraocular injection of anti-angiogenic and steroid molecules. Intravitreal administration of steroids represents a fundamental alternative for recalcitrant and naive eyes with DME, especially in those cases when anti-vascular endothelial growth factor (VEGF) agents are contraindicated or a treatment regimen with fewer intravitreal injections is required...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28426437/supersonic-transient-magnetic-resonance-elastography-for-quantitative-assessment-of-tissue-elasticity
#6
Yu Liu, Jingfei Liu, Brett Z Fite, Josquin Foiret, Asaf Ilovitsh, J Kent Leach, Erik Dumont, Charles F Caskey, Katherine W Ferrara
Non-invasive, quantitative methods to assess the properties of biological tissues are needed for many therapeutic and tissue engineering applications. Magnetic resonance elastography (MRE) has historically relied on external vibration to generate periodic shear waves. In order to focally assess a biomaterial or to monitor the response to ablative therapy, the interrogation of a specific region of interest by a focused beam is desirable and transient MRE (t-MRE) techniques have previously been developed to accomplish this goal...
April 20, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28425402/what-is-changing-in-indications-and-treatment-of-focal-nodular-hyperplasia-of-the-liver-is-there-any-place-for-surgery
#7
Aristotelis Perrakis, Nikolaos Vassos, Robert Gru Tzmann, Roland S Croner
Focal nodular hyperplasia (FNH) is a common benign liver tumor, which occurs in the vast majority of the cases in young women. FNH represents a polyclonal lesion characterized by local vascular abnormalities and is a truly benign lesion without any potential for malignant transformation. A retrospective single institution analysis of 227 FNH patients, treated from 1990 to 2016 and a review of studies reporting surgical therapy of overall 293 patients with FNH was performed. Indications for resection with a focus on diagnostic workup, patient selection, surgical mode and operative mortality and morbidity have been analysed...
May 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28424168/mir-9-5p-promotes-msc-migration-by-activating-%C3%AE-catenin-signaling-pathway
#8
Xianyang Li, Lihong He, Qing Yue, Junhou Lu, Naixin Kang, Xiaojing Xu, Huihui Wang, Huanxiang Zhang
Mesenchymal stem cells (MSCs) have the potential to treat various tissue damages, but the very limited number of cells that migrate to the damaged region strongly restricts their therapeutic applications. Full understanding of mechanisms regulating MSC migration will help to improve their migration ability and therapeutic effects. Increasing evidence shows that microRNAs play important roles in the regulation of MSC migration. In the present study, we reported that miR-9-5p was upregulated in HGF-treated MSCs and in MSCs with high migration ability...
April 19, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28421851/global-and-multi-focal-changes-in-cerebral-blood-flow-during-subthalamic-nucleus-stimulation-in-parkinson-s-disease
#9
Asim M Mubeen, Babak Ardekani, Michele Tagliati, Ron Alterman, Vijay Dhawan, David Eidelberg, John J Sidtis
Electrical stimulation of subthalamic nuclei (STN) is a widely used therapy in Parkinson's disease (PD). While deep brain stimulation (DBS) of the STN alters the neurophysiological activity in basal ganglia, the therapeutic mechanism has not been established. A positron emission tomography (PET) study of cerebral blood flow (CBF) during speech production in PD subjects treated with STN-DBS found significant increases in global (whole-brain) CBF.(1) That study utilized a series of whole-slice regions of interest to obtain global CBF values...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28421406/whole-body-mri-with-qualitative-and-quantitative-analysis-of-dwi-for-assessment-of-bone-marrow-involvement-in-lymphoma
#10
Annalisa Balbo-Mussetto, Chiara Saviolo, Alberto Fornari, Daniela Gottardi, Massimo Petracchini, Annalisa Macera, Chiara Valentina Lario, Teresa Gallo, Corrado Tarella, Stefano Cirillo
AIM: Our study aimed to investigate the role of qualitative and quantitative whole body MRI with DWI for assessment of bone marrow involvement (BMI) in newly diagnosed lymphoma using FDG PET-CT and bone marrow biopsy (BMB) as reference standard. MATERIALS AND METHODS: We retrospectively evaluated 56 patients with newly diagnosed lymphoma (21 Hodgkin's lymphoma and 35 non-Hodgkin's lymphoma) who underwent random unilateral BMB, FDG PET-CT and Wb-MRI-DWI for initial staging...
April 18, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28421342/selective-retina-therapy-with-automatic-real-time-feedback-controlled-dosimetry-for-chronic-central-serous-chorioretinopathy-in-korean-patients
#11
Young Gun Park, Seungbum Kang, Minhee Kim, Nari Yoo, Young Jung Roh
PURPOSE: To evaluate the safety and efficacy of selective retina therapy (SRT) with real-time feedback-controlled dosimetry (RFD) in the treatment of chronic central serous chorioretinopathy (CSC). METHODS: In this retrospective case series study, 50 eyes of 49 patients with chronic CSC demonstrating focal or diffuse foveal leakages on fundus fluorescein angiography (FFA) were included. Following evaluation of test spots at temporal arcades, SRT (wavelength 527 nm, pulse repetition rate 100 Hz, pulse energy ramp with maximal 15 pulses) with retinal spot diameter of 200 μm was applied to the areas of each leakage observed on fluorescein angiography...
April 18, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28421182/tgf-%C3%AE-1-pretreatment-improves-the-function-of-mesenchymal-stem-cells-in-the-wound-bed
#12
Deepraj Ghosh, Daniel J McGrail, Michelle R Dawson
The wound healing process initiates after injury to a tissue and involves a series of orchestrated events to minimize the invasion of foreign matters such as bacteria and efficiently regenerate the damaged tissue. A variety of cells must be recruited to the tissue during wound healing. However, this process is severely disrupted in patients suffering from chronic illness, including diabetes, leading to impaired healing or non-healing wounds. Current avenues of treatment include negative-pressure therapy, wound debridement, growth factor replacement, and cell-based therapies...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28419947/efficacy-and-safety-of-eslicarbazepine-acetate-in-elderly-patients-with-focal-epilepsy-case-series
#13
A Gómez-Ibáñez, J M Serratosa, E Guillamón, M Garcés, B G Giráldez, M Toledo, J Salas-Puig, F J López-González, J Rodríguez-Uranga, A Castillo, J A Mauri, J L Camacho, E López-Gomáriz, P Giner, N Torres, J Palau, A Molins, V Villanueva
PURPOSE: Eslicarbazepine-acetate (ESL) is a third generation antiepileptic drug licensed as adjunctive therapy in adults with focal seizures. Efficacy and safety of ESL have been established in real-life setting. However, data about outcomes in elderly patients are scarce. Primary endpoint was to evaluate outcomes of ESL in elderly patients. METHOD: This was a retrospective survey that included patients >65years with focal seizures who started ESL between January 2010 and July 2012 at 12 Spanish Hospitals...
April 7, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28419815/diagnostic-performance-of-and-breast-tissue-changes-at-early-breast-mr-imaging-surveillance-in-women-after-breast-conservation-therapy
#14
Eun Jeong Kim, Bong Joo Kang, Sung Hun Kim, In Kyung Youn, Ji Eun Baek, Hyun Sil Lee
Purpose To investigate the diagnostic performance and tissue changes in early (1 year or less) breast magnetic resonance (MR) imaging surveillance in women who underwent breast conservation therapy for breast cancer. Materials and Methods This prospective study was approved by the institutional review board, and written informed consent was obtained. Between April 2014 and June 2016, 414 women (mean age, 51.5 years; range, 21-81 years) who underwent 422 early surveillance breast MR imaging examinations (median, 6...
April 18, 2017: Radiology
https://www.readbyqxmd.com/read/28418903/kinomic-profiling-identifies-focal-adhesion-kinase-1-as-a-therapeutic-target-in-advanced-clear-cell-renal-cell-carcinoma
#15
Arindam P Ghosh, Christopher D Willey, Joshua C Anderson, Karim Welaya, Dongquan Chen, Amitkumar Mehta, Pooja Ghatalia, Ankit Madan, Gurudatta Naik, Sunil Sudarshan, Guru Sonpavde
The introduction of targeted therapies has caused a paradigm shift in the treatment of metastatic clear cell (cc)-renal cell carcinoma (RCC). We hypothesized that determining differential kinase activity between primary and metastatic tumor sites may identify critical drivers of progression and relevant therapeutic targets in metastatic disease. Kinomic profiling was performed on primary tumor and metastatic tumor deposits utilizing a peptide substrate microarray to detect relative tyrosine phosphorylation activity...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418695/a-comparison-of-different-staging-systems-for-multiple-myeloma-can-the-mri-pattern-play-a-prognostic-role
#16
Giacomo Filonzi, Katia Mancuso, Elena Zamagni, Cristina Nanni, Paolo Spinnato, Michele Cavo, Stefano Fanti, Eugenio Salizzoni, Alberto Bazzocchi
OBJECTIVE: The objective of this study is to compare the most recent systems for the staging of multiple myeloma (MM), the Durie-Salmon PLUS system and the International Staging System, according to patients' survival rates and response to therapy. Another objective is to verify whether patterns of bone marrow alteration on MRI (i.e., focal, diffuse, or variegated patterns) can provide prognostic information for patients with MM. MATERIALS AND METHODS: We retrospectively enrolled 85 patients with MM who were monitored for a minimum of 6 years and who underwent contrast-enhanced spinal and pelvic MRI at 1...
April 18, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28417160/diagnosis-of-recurrent-prostate-cancer-with-pet-ct-imaging-using-the-gastrin-releasing-peptide-receptor-antagonist-68-ga-rm2-preliminary-results-in-patients-with-negative-or-inconclusive-18-f-fluoroethylcholine-pet-ct
#17
Gesche Wieser, Ilinca Popp, H Christian Rischke, Vanessa Drendel, Anca-Ligia Grosu, Mark Bartholomä, Wolfgang A Weber, Rosalba Mansi, Ulrich Wetterauer, Wolfgang Schultze-Seemann, Philipp T Meyer, Cordula Annette Jilg
PURPOSE/BACKGROUND: [(18)F]fluoroethylcholine ((18)FECH) has been shown to be a valuable PET-tracer in recurrent prostate cancer (PCa), but still has limited accuracy. RM2 is a gastrin-releasing peptide receptor (GRPr) antagonist that binds to GRPr on PCa cells. Recent studies suggest that GRPr imaging with PET/CT is a promising technique for staging and restaging of PCa. We explore the value of GRPr-PET using the (68)Ga-labeled GRPr antagonist RM2 in a selected population of patients with biochemically recurrent PCa and a negative/inconclusive (18)FECH-PET/CT...
April 18, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28416780/new-onset-epilepsy-in-the-elderly-clinical-radiological-and-electroencephalographic-features-and-treatment-responses
#18
Erum M Shariff, Fahd A AlKhamis
OBJECTIVE: To evaluate new onset epilepsy characteristics, etiology, radiological and electroencephalographic features and to document treatment response in the elderly. METHODS: This was a retrospective study carried out in King Fahd Medical City, Riyadh, Kingdom of Saudi Arabia, from 2010 to 2013. Medical records were searched to recruit patients. Hundred and nineteen patients were enrolled who fulfill the inclusion criteria. Clinical data with respect to seizure semiology, etiology, electroencephalographic findings, radiological findings, co-morbidities, and anti-epileptic drug (AED) therapy were assessed...
April 2017: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/28416776/clinical-value-of-mir-101-3p-and-biological-analysis-of-its-prospective-targets-in-breast-cancer-a-study-based-on-the-cancer-genome-atlas-tcga-and-bioinformatics
#19
Chun-Yao Li, Dan-Dan Xiong, Chun-Qin Huang, Rong-Quan He, Hai-Wei Liang, Deng-Hua Pan, Han-Lin Wang, Yi-Wen Wang, Hua-Wei Zhu, Gang Chen
BACKGROUND MiR-101-3p can promote apoptosis and inhibit proliferation, invasion, and metastasis in breast cancer (BC) cells. However, its mechanisms in BC are not fully understood. Therefore, a comprehensive analysis of the target genes, pathways, and networks of miR-101-3p in BC is necessary. MATERIAL AND METHODS The miR-101 profiles for 781 patients with BC from The Cancer Genome Atlas (TCGA) were analyzed. Gene expression profiling of GSE31397 with miR-101-3p transfected MCF-7 cells and scramble control cells was downloaded from Gene Expression Omnibus (GEO), and the differentially expressed genes (DEGs) were identified...
April 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28416479/suppression-of-integrin-%C3%AE-3%C3%AE-1-by-%C3%AE-9%C3%AE-1-in-the-epidermis-controls-the-paracrine-resolution-of-wound-angiogenesis
#20
Whitney M Longmate, Scott P Lyons, Sridar V Chittur, Kevin M Pumiglia, Livingston Van De Water, C Michael DiPersio
Development of wound therapies is hindered by poor understanding of combinatorial integrin function in the epidermis. In this study, we generated mice with epidermis-specific deletion of α3β1, α9β1, or both integrins as well as keratinocyte lines expressing these integrin combinations. Consistent with proangiogenic roles for α3β1, α3-null keratinocytes showed reduced paracrine stimulation of endothelial cell migration and survival, and wounds of epidermis-specific α3 knockout mice displayed impaired angiogenesis...
April 17, 2017: Journal of Cell Biology
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