New class of radiotracers targets many cancer types

Oncologists and nuclear medicine technologists may soon have another weapon...Read more on AuntMinnie.comRelated Reading: 2 new PET tracers may best FDG in cancer imaging Ga-68 PSMA-11 PET/MRI improves prostate cancer detection New PET tracer could aid melanoma detection Ga-68 PSMA-11 PET/MRI benefits prostate cancer patients Gallium-labeled PET tracer could advance cancer detection
Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news

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Publication date: Available online 13 October 2019Source: Seminars in Cancer BiologyAuthor(s): Vikram Shaw, Suyash Srivastava, Sanjay K. SrivastavaAbstractThe recent development of high throughput compound screening has allowed drug repurposing to emerge as an effective avenue for discovering novel treatments for cancer. FDA-approved antipsychotic drugs fluspirilene, penfluridol, and pimozide are clinically used for the treatment of psychotic disorders, primarily schizophrenia. These compounds, belong to diphenylbutylpiperidine class of antipsychotic drugs, are the potent inhibitors of dopamine D2 receptor and calcium chan...
Source: Seminars in Cancer Biology - Category: Cancer & Oncology Source Type: research
ilyte Emerging data indicates that melanoma may be linked to prostate cancer. We evaluated if the incidence of melanoma was associated with subsequent risk of prostate cancer (PC). We extracted data from the Lithuanian cancer registry from 1993 to 2012. We calculated the standardized incidence ratios (SIRs) for PC as a ratio of observed number of cancer cases in people with previous melanoma diagnosis to the expected number of cancer cases in the underlying general population. Therein, 95% confidence intervals for the SIRs were estimated assuming the number of observed cancer cases follows the Poisson distribution. Ove...
Source: International Journal of Environmental Research and Public Health - Category: Environmental Health Authors: Tags: Brief Report Source Type: research
This study aimed to study the travel distance to cancer patient's GP and to the hospital of diagnosis and the association with tumour stage for 12 cancer types. A cohort study was conducted including cancer patients in Denmark diagnosed between 2005 and 2016 with rectum, malignant melanoma, breast, testis, oesophageal, colon, cervix, prostate, stomach, pancreatic, lung and ovary cancer (n = 256,663). Distance to each patient's GP and to the hospital of diagnosis were calculated using ArcGIS, Network Analyst. The results showed that for most easy-to-diagnose cancer types (rectum cancer, malignant melanoma, testis cancer...
Source: Health and Place - Category: Environmental Health Authors: Tags: Health Place Source Type: research
For men, the top four cancers, after prostate cancer, are lung, colorectal, bladder, and melanoma, an oncologist says. Here's what men need to know.
Source: WebMD Health - Category: Consumer Health News Source Type: news
Authors: Zhang Q, Yin X, Pan Z, Cao Y, Han S, Gao G, Gao Z, Pan Z, Feng W Abstract Prostate cancer (PCa) is one of the most common malignant tumors worldwide. The aim of the present study was to determine potential diagnostic and prognostic biomarkers for PCa. The GSE103512 dataset was downloaded, and the differentially expressed genes (DEGs) were screened. Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) and protein-protein interaction (PPI) analyses of DEGs were performed. The result of GO analysis suggested that the DEGs were mostly enriched in 'carboxylic acid catabolic process', 'cell apoptos...
Source: Oncology Letters - Category: Cancer & Oncology Tags: Oncol Lett Source Type: research
ConclusionsOur findings show that oncologists and physicians have a rational approach to deprescription in patients suffering from cancer with short-term (pancreatic and lung cancer) respectively long-term (breast and prostate cancer) survival rates. However, several patients were continuing potential inappropriate medications in the terminal stage of cancer.Legal entity responsible for the studyThe authors.FundingHas not received any funding.DisclosureAll authors have declared no conflicts of interest.
Source: Annals of Oncology - Category: Cancer & Oncology Source Type: research
Abstract It is a common opinion that metabotropic glutamate receptor subtype 6 (mGluR6) is expressed exclusively in the retina, and in particular in the dendrites of ON-bipolar cells. Glutamate released at the darkness from photoreceptors activates mGluR6 which is negatively associated with a membrane non-selective cation channel, the transient receptor potential melanoma-related 1 (TRPM1), hyperpolarizing the cell. Evidence that mGluR6 is expressed not only in the retina but also in other tissues and cell populations has accumulated over time. The expression of mGluR6 has been identified in microglia, bone marrow...
Source: Current Neuropharmacology - Category: Drugs & Pharmacology Authors: Tags: Curr Neuropharmacol Source Type: research
ConclusionsCoverage guidelines for IMRT, SRS, SABR, and PBT vary across 5 major insurance providers and may be substantially discordant compared with ASTRO coverage guidelines. There remain several specific areas where ongoing and future dialogues between ASTRO members, payers, and policymakers remain essential.
Source: Practical Radiation Oncology - Category: Cancer & Oncology Source Type: research
Georg D Abstract A new phantom was designed for in vitro studies on cell lines in horizontal particle beams. The phantom enables simultaneous irradiation at multiple positions along the beam path. The main purpose of this study was the detailed dosimetric characterization of the phantom which consists of various heterogeneous structures. The dosimetric measurements described here were performed under non-reference conditions. The experiment involved a CT scan of the phantom, dose calculations performed with the treatment planning system (TPS) RayStation employing both the Pencil Beam (PB) and Monte Carlo (MC) algo...
Source: Radiation and Environmental Biophysics - Category: Physics Authors: Tags: Radiat Environ Biophys Source Type: research
This study expanded these findings to other cancers (breast and melan oma) by testing the hypothesis that genetic and pharmacological inhibition of PAK‐1 alters cell growth, migration, and invasion in prostate, breast, and skin cancer cell lines. We also tested the specificity of IPA‐3 for PAK‐1 and the hypothesis that gene silencing of PAK‐1 altered the effic acy of sterically stabilized liposomes (SSL) containing IPA‐3 (SSL‐IPA‐3). PAK‐1 expression was identified in four different breast cancer cell lines, and in a melanoma cell line. The expression of PAK‐1 correlated to the IC50 of IPA ‐3 as measure...
Source: Pharmacology Research and Perspectives - Category: Drugs & Pharmacology Authors: Tags: ORIGINAL ARTICLE Source Type: research
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