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https://www.readbyqxmd.com/read/28227791/nonlinear-3-d-simulation-of-high-intensity-focused-ultrasound-therapy-in-the-kidney
#1
Visa Suomi, Jiri Jaros, Bradley Treeby, Robin Cleveland, Visa Suomi, Jiri Jaros, Bradley Treeby, Robin Cleveland, Jiri Jaros, Bradley Treeby, Robin Cleveland, Visa Suomi
Kidney cancer is a severe disease which can be treated non-invasively using high-intensity focused ultrasound (HIFU) therapy. However, tissue in front of the transducer and the deep location of kidney can cause significant losses to the efficiency of the treatment. The effect of attenuation, refraction and reflection due to different tissue types on HIFU therapy of the kidney was studied using a nonlinear ultrasound simulation model. The geometry of the tissue was derived from a computed tomography (CT) dataset of a patient which had been segmented for water, bone, soft tissue, fat and kidney...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224201/dexmedetomidine-protects-against-cisplatin-induced-acute-kidney-injury-in-mice-through-regulating-apoptosis-and-inflammation
#2
H Liang, H-Z Liu, H-B Wang, J-Y Zhong, C-X Yang, B Zhang
OBJECTIVE AND DESIGN: Cisplatin-based chemotherapy has been widely used in the perioperative period of cancer surgery, which exacerbates the risk of renal injury. In this study, we examined whether dexmedetomidine (DEX), a commonly used anesthetic adjuvant, shows a protective effect against cisplatin-induced acute kidney injury. MATERIALS: Acute kidney injury in mice was induced by cisplatin. TREATMENTS: Mice were administered with DEX 25 μg/kg or atipamezole 250 μg/kg (once a day, for 3 days) after cisplatin treatment...
February 21, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28223235/interleukin-32-inflammation-and-cancer
#3
REVIEW
Jin Tae Hong, Dong Ju Son, Chong Kil Lee, Do-Young Yoon, Dong Hun Lee, Mi Hee Park
Interleukin-32 (IL-32) is a novel cytokine involved in inflammation and cancer development. IL-32 gene consists of eight small exons, and IL-32 mRNA has nine alternative spliced isoforms, and was thought to be secreted because it contains an internal signal sequence and lacks a transmembrane region. IL-32 is initially expressed selectively in activated T cells by mitogen and activated NK cells and their expression is strongly augmented by microbes, mitogens, and other cytokines. The IL-32 is induced mainly by pathogens and pro-inflammatory cytokines, but IL-32 is more prominent in immune cells than in non-immune tissues...
February 13, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28222672/long-leukocyte-telomere-length-in-prostate-cancer-patients-at-diagnosis-is-associated-with-poor-metastasis-free-and-cancer-specific-survival
#4
Ulrika Svenson, Göran Roos, Pernilla Wikström
Previous studies have suggested that leukocyte telomere length is associated with risk of developing prostate cancer. Investigations of leukocyte telomere length as a prognostic factor in prostate cancer are, however, lacking. In this study, leukocyte telomere length was investigated both as a risk marker, comparing control subjects and patient risk groups (based on serum levels of prostate-specific antigen, tumor differentiation, and tumor stage), and as a prognostic marker for metastasis-free and cancer-specific survival...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28222395/technetium-99m-radiolabeled-paclitaxel-as-an-imaging-probe-for-breast-cancer-in-vivo
#5
Liziane O F Monteiro, Renata S Fernandes, Luciano C Castro, Valbert N Cardoso, Mônica C Oliveira, Danyelle M Townsend, Alice Ferretti, Domenico Rubello, Elaine A Leite, André L B de Barros
The high incidence and mortality of breast cancer supports efforts to develop innovative imaging probes to effectively diagnose, evaluate the extent of the tumor, and predict the efficacy of tumor treatments while concurrently and selectively delivering anticancer agents to the cancer tissue. In the present study we described the preparation of technetium-99m ((99m)Tc)-labeled paclitaxel (PTX) and evaluated its feasibility as a radiotracer for breast tumors (4T1) in BALB/c mice. Thin Layer Chromatography (TLC) was used to determine the radiochemical purity and in vitro stability of (99m)Tc-PTX...
February 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28222316/discovery-and-characterization-of-novel-cyp1b1-inhibitors-based-on-heterocyclic-chalcones-overcoming-cisplatin-resistance-in-cyp1b1-overexpressing-lines
#6
Neill J Horley, Kenneth J M Beresford, Tarun Chawla, Glen J P McCann, Ketan C Ruparelia, Linda Gatchie, Vinay R Sonawane, Ibidapo S Williams, Hoon L Tan, Prashant Joshi, Sonali S Bharate, Vikas Kumar, Sandip B Bharate, Bhabatosh Chaudhuri
The structure of alpha-napthoflavone (ANF), a potent inhibitor of CYP1A1 and CYP1B1, mimics the structure of chalcones. Two potent CYP1B1 inhibitors 7k (DMU2105) and 6j (DMU2139) have been identified from two series of synthetic pyridylchalcones. They inhibit human CYP1B1 enzyme bound to yeast-derived microsomes (Sacchrosomes™) with IC50 values of 10 and 9 nM, respectively, and show a very high level of selectivity towards CYP1B1 with respect to the IC50 values obtained with CYP1A1, CYP1A2, CYP3A4, CYP2D6, CYP2C9 and CYP2C19 Sacchrosomes™...
February 9, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28217698/questions-and-challenges-associated-with-studying-the-microbiome-of-the-urinary-tract
#7
REVIEW
Yige Bao, Kait F Al, Ryan M Chanyi, Samantha Whiteside, Malcom Dewar, Hassan Razvi, Gregor Reid, Jeremy P Burton
Urologists are typically faced with clinical situations for which the microbiome may have been a contributing factor. Clinicians have a good understanding regarding the role of bacteria related to issues such as antibiotic resistance; however, they generally have a limited grasp of how the microbiome may relate to urological issues. The largest part of the human microbiome is situated in the gastrointestinal tract, and though this is mostly separated from the urinary system, bacterial dissemination and metabolic output by this community is thought to have a significant influence on urological conditions...
January 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28217462/the-therapeutic-potential-of-hif-2-antagonism-in-renal-cell-carcinoma
#8
COMMENT
Olivier Cuvillier
Hypoxia, the insufficient delivery of oxygen for the demand of a tissue, contributes to the development of an aggressive phenotype, resistance to radiation therapy and chemotherapy, and is predictive of a poor outcome in numerous tumor types. Adaptation to hypoxia is mediated by hypoxia-inducible factors (HIFs), including HIF-1α and HIF-2α, which regulate genes promoting angiogenesis, increased tumor growth or metastasis. In kidney cancer, HIF-2α is believed to be the most important driver for development and progression of clear cell renal cell carcinoma (ccRCC), highlighting the therapeutic potential of HIF-2 antagonists in this disease...
February 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28217028/potassium-chloride-infusion-as-the-cause-of-altered-bio-distribution-of-18-f-fluorodeoxyglucose-on-whole-body-positron-emission-tomography-computed-tomography-scan
#9
Shimpi Madhuri Mahajan, Singh Natasha, Maitra Sudeshna, Melvika Pereira
(18)F-fluorodeoxyglucose ((18)F-FDG) positron emission tomography-computed tomography is a standard diagnostic imaging tool in many types of cancer. Its physiological in vivo distribution includes the brain, liver, heart, kidneys, and urinary tract at 1 h after tracer injection. Skeletal muscle is known to show variable amounts of (18)F-FDG uptake because it has a relatively high-glucose metabolism. We report a case of a 20-year-old patient with gross (18)F-FDG uptake involving multiple muscle groups and its likely correlation to potassium chloride infusion before (18)F-FDG injection...
January 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28216937/renal-cell-carcinoma-atypical-metastasis-to-inguinal-lymph-nodes
#10
Qamar Saeed Chaudhry, Tanweer Ahmed Naveed Bhatty, Ziauddin Khan, Elsawi Medani Osman
Renal cell carcinoma (RCC) is a common tumor of the urinary tract. It is known to have variable presentations due to the extremely vascular nature of the organ. RCC are known to metastasize to lungs, bone, and brain commonly but atypical metastasis to various sites are reported in literature but as very rare pathology. We report a case of a 60-year-old female who presented with multiple inguinal and axillary lymph node enlargements which on excision biopsy showed metastatic RCC. RCC can present with synchronous metastatic deposits in the various organs...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28215848/erratum-to-the-natural-history-of-renal-function-after-surgical-management-of-renal-cell-carcinoma-results-from-the-canadian-kidney-cancer-information-system-urol-oncol-34-11-2016-486-e1-486-e7
#11
Ross Mason, Anil Kapoor, Zhihui Liu, Olli Saarela, Simon Tanguay, Michael Jewett, Antonio Finelli, Louis Lacombe, Jun Kawakami, Ronald Moore, Christopher Morash, Peter Black, Ricardo A Rendon
No abstract text is available yet for this article.
March 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28215359/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#12
EDITORIAL
Csaba P Kovesdy, Susan L Furth, Carmine Zoccali
Obesity is a growing worldwide epidemic. Obesity is one of the strongest risk factors for new-onset chronic kidney disease, and also for nephrolithiasis and for kidney cancer. This year the World Kidney Day promotes education on the harmful consequences of obesity and its association with kidney disease, advocating healthy lifestyle and health policy measures that make preventive behaviors an affordable option.
March 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28214961/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#13
EDITORIAL
Csaba P Kovesdy, Susan L Furth, Carmine Zoccali
Obesity has become a worldwide epidemic, and its prevalence has been projected to grow by 40% in the next decade. This increasing prevalence has implications for the risk of diabetes, cardiovascular disease and also for Chronic Kidney Disease. A high body mass index is one of the strongest risk factors for new-onset Chronic Kidney Disease. In individuals affected by obesity, a compensatory hyperfiltration occurs to meet the heightened metabolic demands of the increased body weight. The increase in intraglomerular pressure can damage the kidneys and raise the risk of developing Chronic Kidney Disease in the long-term...
February 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28214891/up-regulated-atf4-expression-increases-cell-sensitivity-to-apoptosis-in-response-to-radiation
#14
Ying Zong, Shijie Feng, Jinwei Cheng, Chenlin Yu, Guocai Lu
BACKGROUND/AIMS: Activating transcription factor 4 (ATF4) is a member of the activating transcription factor family which regulates the expression of genes involved in amino acid metabolism, redox homeostasis and ER stress responses. ATF4 is also over-expressed in human solid tumors, although its effect on responsiveness to radiation is largely unexplored. METHODS: Real-time PCR was used to detect ATF4 mRNA levels in cells treated with different doses of 60Coγ radiation...
February 13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214754/new-pt-nnso-core-anticancer-agents-structural-optimization-and-investigation-of-their-anticancer-activity
#15
Shu Xian Chong, Yinxue Jin, Steve Chik Fun Au-Yeung, Kenneth Kin Wah To
A series of new platinum Pt(II) compounds possessing a bidentate leaving ligand modified from oxaliplatin has been synthesized, with one of the oxygen ligating atom substituted for a sulphur atom (resulting in a Pt-NNSO coordination core structure). The general structures are R,R-diaminocyclohexane (DACH)-Pt-(methylthio)acetic acid (K4) and DACH-Pt-(thiophenylacetic acid) (K4 derivatives). Substitution of an electron donating or withdrawing group at the ortho or para position on the phenyl ring of K4 derivatives was found to affect the complexes' stability, reactivity with the biological molecules (5'-guanosine monophosphate (5'-GMP) and L-methionine (L-Met)) and anticancer activity...
February 12, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28214284/basic-translational-science-survey-section-kidney-cancer
#16
Jodi K Maranchie
No abstract text is available yet for this article.
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214282/basic-translational-science-survey-section-kidney-cancer
#17
Jodi K Maranchie
No abstract text is available yet for this article.
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214279/basic-translational-science-survey-section-kidney-cancer
#18
Jodi K Maranchie
No abstract text is available yet for this article.
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28213277/fluorescence-and-computed-tomography-for-assessing-the-biodistribution-of-sirna-after-intratracheal-application-in-mice
#19
Antonia Geyer, Cornelia Lorenzer, Sebastian Gehrig, Manuela Simlinger, Johannes Winkler, Haider Sami, Manfred Ogris
Pulmonary delivery of nucleic acids opens the possibility for direct treatment of lung diseases, like fibrosis, cancer, and infections. Lung retention and biodistribution of nucleic acids remain important issues for the development of suitable therapeutic approaches. Moreover, monitoring the dynamic biodistribution processes of siRNA after aerosol delivery can help in identifying bottlenecks and optimising therapeutic concepts. We investigated dynamic biodistribution events after intratracheal application of chemically stabilised siRNA labeled with near infrared emitting dye AlexaFluor750 (AF750)...
February 14, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28212852/prevalence-of-proteinuria-and-other-abnormalities-in-urinalysis-performed-in-the-urology-clinic
#20
Adam Bezinque, Sabrina L Noyes, Samer Kirmiz, Jessica Parker, Sumi Dey, Richard J Kahnoski, Brian R Lane
OBJECTIVE: To compare the prevalence of proteinuria in the urology clinic with other outpatient settings. Chronic kidney disease (CKD) is classified according to cause, GFR, and proteinuria. Proteinuria may be more prevalent patients with known CKD, renal disorders (benign or malignant), and/or after urologic surgery. METHODS: Cross-sectional study of 3 populations undergoing urinalysis (UA) testing: general outpatients (n=20,334), urology outpatients (n=5,023), and kidney cancer patients (n=1,016)...
February 14, 2017: Urology
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