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https://www.readbyqxmd.com/read/27864600/comparison-of-true-unenhanced-and-virtual-unenhanced-vue-attenuation-values-in-abdominopelvic-single-source-rapid-kilovoltage-switching-spectral-ct
#1
Amir A Borhani, Matthew Kulzer, Negaur Iranpour, Anish Ghodadra, Mark Sparrow, Alessandro Furlan, Mitchell E Tublin
OBJECTIVE: To assess the agreement between the true non-contrast (TNC) attenuation values of intra-abdominal structures and attenuation values obtained on virtual-unenhanced (VUE) images based on rapid kVp-switching dual-energy CT. The effects of contrast phase and patient characteristics (e.g., BMI, hematocrit, hemoglobin content) on VUE values were also investigated. METHODS: Ninety four patients who underwent triphasic abdominal CT (liver mass protocol, n = 47; pancreas mass protocol, n = 47) between August 2014 and May 2015 were retrospectively reviewed...
November 18, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27781326/organ-weights-and-ratios-for-postmortem-identification-of-fetal-growth-restriction-utility-and-confounding-factors
#2
J Man, J C Hutchinson, M Ashworth, I Jeffrey, A E Heazell, N J Sebire
OBJECTIVES: The postmortem fetal brain:liver weight ratio is commonly used as a marker of nutrition for diagnosis of fetal growth restriction (FGR). However, there are limited data regarding the effects of intrauterine retention, fetal maceration and postmortem interval on organ weights and their ratios at autopsy. Our aims were to examine the relationships between gestational-age-adjusted and sex-adjusted fetal organ weights at autopsy, cause of intrauterine death and effects of intrauterine retention, and to determine whether the brain:liver weight ratio is a reliable marker of FGR in intrauterine death...
October 25, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27731512/retroperitoneal-laparoscopy-in-dogs-access-technique-working-space-and-surgical-anatomy
#3
Junemoe Jeong, Jonghyeok Ko, Hyunjoo Lim, Oh-Kyeong Kweon, Wan Hee Kim
OBJECTIVE: To develop and describe a laparoscopic retroperitoneal access technique, investigate working space establishment, and describe the surgical anatomy in the retroperitoneal space as an initial step for clinical application of retroperitoneal laparoscopy in dogs. STUDY DESIGN: Cadaveric and experimental study. ANIMALS: Cadaveric (n=8) and healthy (n=6) adult dogs. METHODS: The retroperitoneal access technique was developed in 3 cadavers based on the human technique and transperitoneal observation...
November 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27479686/simple-laparoscopic-nephrectomy-in-stone-disease-not-always-simple
#4
Oriol Angerri, Juan Manuel López, Francisco Sánchez-Martin, Félix Millán-Rodriguez, Antonio Rosales, Humberto Villavicencio
OBJECTIVES: Simple nephrectomy is performed for a benign pathology that does not require the excision of either the adrenal gland or any adenopathies. When it is carried out in cases of stone disease, however, it is frequently not a "simple" technique owing to the presence of significant inflammation and infection. METHODS: Ninety-six simple laparoscopic nephrectomies performed because of stone disease between 2006 and 2015 were retrospectively studied. A descriptive statistical analysis was performed, as well as an evaluation of the associated complications...
October 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27383170/effects-of-intraperitoneal-administration-of-mifepristone-on-glucocorticoid-status-of-experimental-animals
#5
N A Pal'chikova, N V Kuznetsova, V G Selyatitskaya, O P Cherkasova, O I Kuz'mina
We studied the content of corticosterone and its precursors in the adrenal glands, corticosterone in blood serum and daily urine of rats, and activity of first and second isoforms of 11β-hydroxysteroid dehydrogenase in the liver and kidneys of rats after 15 daily intraperitoneal injections of 0.9% NaCl or glucocorticoid receptor blocker mifepristone in 0.9% NaCl. Daily injections of NaCl reduced the levels of pregnenolone, progesterone, and corticosterone in the adrenal glands, increased corticosterone excretion with urine, enhanced activity of the first isoform of 11β-hydroxysteroid dehydrogenase in the liver and reduction in activity of the second isoform of this enzyme in the kidneys...
June 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27333090/normal-distribution-pattern-and-physiological-variants-of-68ga-psma-11-pet-ct-imaging
#6
Emre Demirci, Onur Erdem Sahin, Meltem Ocak, Burak Akovali, Jamal Nematyazar, Levent Kabasakal
PURPOSE: Ga-PSMA-11 is a novel PET tracer suggested to be used for imaging of advanced prostate cancer. In this study, we aimed to present a detailed biodistribution of Ga-PSMA-11, including physiological and benign variants of prostate-specific membrane antigen (PSMA) imaging. MATERIALS AND METHODS: We carried out a retrospective analysis of 40 patients who underwent PSMA PET/computed tomography (CT) imaging and who had no evidence of residual or metastatic disease on the scans...
November 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27270028/metastatic-solid-tumors-to-the-jaw-and-oral-soft-tissue-a-retrospective-clinical-analysis-of-44-patients-from-a-single-institution
#7
Adepitan A Owosho, Bin Xu, Arvin Kadempour, SaeHee K Yom, Joseph Randazzo, Ronald A Ghossein, Joseph M Huryn, Cherry L Estilo
PURPOSE: Metastatic solid tumors to the oral cavity are rare, frequently indicative of an end-stage disease process, and associated with poor survival rates. We performed a 20-year retrospective clinical analysis of our institution's cases of solid metastases to the oral cavity, and investigated these patients' clinical outcomes. MATERIAL AND METHODS: A retrospective study of patients with metastatic solid tumors to the oral cavity over a 20-year period (October 1996 to September 2015) was conducted at Memorial Sloan Kettering Cancer Center...
August 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27230993/exploratory-studies-with-bt-11-a-proposed-orally-active-therapeutic-for-crohn-s-disease
#8
Philippe Bissel, Katie Boes, Jonathan Hinckley, Bernard S Jortner, Geraldine Magnin-Bissel, Stephen R Werre, Marion Ehrich, Adria Carbo, Casandra Philipson, Raquel Hontecillas, Noah Philipson, Richard D Gandour, Josep Bassaganya-Riera
Lanthionine synthetase cyclase-like receptor 2 (LANCL2) is a novel therapeutic target for Crohn's disease (CD). BT-11 is a small molecule that binds LANCL2, is orally active, and has demonstrated therapeutic efficacy in 3 validated mouse models of colitis at doses as low as 8 mg/kg/d. Exploratory experiments evaluated BT-11 in male Harlan Sprague Dawley rats with a single oral dose of 500 mg/kg and 80 mg/kg/d for 14 days (n = 10 rats dosed/group). Treated and control rats were observed for behavioral detriments, and blood and tissues were collected for clinical pathology and histopathological examination...
September 2016: International Journal of Toxicology
https://www.readbyqxmd.com/read/27083469/characterization-of-rna-isolated-from-eighteen-different-human-tissues-results-from-a-rapid-human-autopsy-program
#9
Douglas G Walker, Alexis M Whetzel, Geidy Serrano, Lucia I Sue, Lih-Fen Lue, Thomas G Beach
Many factors affect the integrity of messenger RNA from human autopsy tissues including postmortem interval (PMI) between death and tissue preservation and the pre-mortem agonal and disease states. In this communication, we describe RNA isolation and characterization of 389 samples from 18 different tissues from elderly donors who were participants in a rapid whole-body autopsy program located in Sun City, Arizona ( www.brainandbodydonationprogram.org ). Most tissues were collected within a PMI of 2-6 h (median 3...
September 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27059922/fg-3019-a-human-monoclonal-antibody-recognizing-connective-tissue-growth-factor-is-subject-to-target-mediated-drug-disposition
#10
Mitchell C Brenner, Wojciech Krzyzanski, James Z Chou, Pierre E Signore, Cyra K Fung, David Guzman, Dongxia Li, Weihua Zhang, David R Olsen, Viet-Tam L Nguyen, Carolyn W Koo, Mark D Sternlicht, Kenneth E Lipson
PURPOSE: To evaluate and model the pharmacokinetic and pharmacodynamic behavior in rats of FG-3019, a human monoclonal antibody targeting connective tissue growth factor (CTGF). METHODS: FG-3019, human CTGF (rhCTGF), or the N-terminal domain of rhCTGF were administered intravenously to rats and concentrations of these proteins as well as endogenous CTGF were determined by immunoassays. FG-3019, or (125)I-labeled FG-3019, and human CTGF (rhCTGF) were co-administered to assess the impact of CTGF on the elimination rate and tissue localization of FG-3019, which was further characterized by immunohistochemical analysis...
August 2016: Pharmaceutical Research
https://www.readbyqxmd.com/read/26944984/characterization-of-primary-structure-and-post-hatching-increase-in-chicken-cytosolic-acetoacetyl-coa-thiolase-in-the-liver
#11
N Nakao, H Kaneda, N Tsushima, M Tanaka
Acetoacetyl-CoA thiolase (EC 2.3.1.9) catalyzes the cleavage of acetoacetyl-CoA into acetyl-CoA and its reverse reaction, the synthesis of acetoacetyl-CoA. Cytosolic acetoacetyl-CoA thiolase ( CT: ) is a key enzyme in the initial step of the cholesterol synthesis pathway. In the present study, we characterized the amino acid sequence of chicken CT and the tissue distribution of its mRNA and protein, together with their developmental changes in the liver. The amino acid sequence encoded by the nucleotide sequence of chicken CT cDNA showed a higher overall identity with those of human (74...
June 1, 2016: Poultry Science
https://www.readbyqxmd.com/read/26928715/unusual-metastases-of-lung-cancer-bulbus-oculi-and-maxillary-sinus
#12
I Ates, O Yazici, H Ates, N Ozdemir, N Zengin
Lung adenocarcinoma often makes metastasis to the brain, liver, kidneys, bone, bone marrow and adrenal glands. It can also make metastasis to other parts of the body rarely for example eye, nose, parotid gland and paranasal sinus. We did not encounter with combined ocular bulbus and the maxillary sinus metastases of lung cancer in the accessible literature. In this case report, a patient who was combined ocular bulbus and the maxillary sinus metastases of lung adenocarcinoma will be discussed.
September 2015: Experimental Oncology
https://www.readbyqxmd.com/read/26829325/cerebral-apolipoprotein-d-is-hypoglycosylated-compared-to-peripheral-tissues-and-is-variably-expressed-in-mouse-and-human-brain-regions
#13
COMPARATIVE STUDY
Hongyun Li, Kalani Ruberu, Tim Karl, Brett Garner
Recent studies have shown that cerebral apoD levels increase with age and in Alzheimer's disease (AD). In addition, loss of cerebral apoD in the mouse increases sensitivity to lipid peroxidation and accelerates AD pathology. Very little data are available, however, regarding the expression of apoD protein levels in different brain regions. This is important as both brain lipid peroxidation and neurodegeneration occur in a region-specific manner. Here we addressed this using western blotting of seven different regions (olfactory bulb, hippocampus, frontal cortex, striatum, cerebellum, thalamus and brain stem) of the mouse brain...
2016: PloS One
https://www.readbyqxmd.com/read/26762583/investigation-on-toxicity-and-teratogenicity-in-rats-of-a-retinoid-polyamine-conjugate-with-potent-anti-inflammatory-properties
#14
Theodoros Petridis, Dimitra Giannakopoulou, Vassiliki Stamatopoulou, Katerina Grafanaki, Christos G Kostopoulos, Helen Papadaki, Christina J Malavaki, Nikos K Karamanos, Stathianna Douroumi, Dionysios Papachristou, George E Magoulas, Dionissios Papaioannou, Denis Drainas
Previous studies have shown that N(1),N(12)-bis(all-trans-retinoyl)spermine (RASP), a retinoid analog, inhibits RNase P activity and angiogenesis in the chicken embryo chorioallantoic membrane, demonstrates anti-tumor activity on prostate cancer cells, and acts as anti-inflammatory agent, being more effective and less toxic than all-trans retinoic acid. In an attempt to further characterize the biological profile of RASP, we tested its effects on organ toxicity and teratogenicity by daily oral gavage of RASP at a level of 50 mg/Kg of body weight in two generations of rats...
February 2016: Birth Defects Research. Part B, Developmental and Reproductive Toxicology
https://www.readbyqxmd.com/read/26346138/life-threatening-events-in-patients-with-pheochromocytoma
#15
Anna Riester, Dirk Weismann, Marcus Quinkler, Urs D Lichtenauer, Sandra Sommerey, Roland Halbritter, Randolph Penning, Christine Spitzweg, Jochen Schopohl, Felix Beuschlein, Martin Reincke
OBJECTIVE: Pheochromocytomas are rare chromaffin cell-derived tumors causing paroxysmal episodes of headache, palpitation, sweating and hypertension. Life-threatening complications have been described in case reports and small series. Systematic analyses are not available. We took an opportunity of a large series to make a survey. DESIGN AND METHODS: We analyzed records of patients diagnosed with pheochromocytomas in three geographically spread German referral centers between 2003 and 2012 (n=135)...
December 2015: European Journal of Endocrinology
https://www.readbyqxmd.com/read/26297826/role-of-rsume-in-inflammation-and-cancer
#16
REVIEW
Valeria G Antico Arciuch, Lucas Tedesco, Mariana Fuertes, Eduardo Arzt
RSUME (for RWD-domain-containing sumoylation enhancer), RWDD3 gene, was identified from a pituitary tumor cell with increased tumorigenic and angiogenic potential, and has higher expression in cerebellum, pituitary, heart, kidney, liver, pancreas, adrenal gland and prostate. RSUME is induced by cellular stress like hypoxia and heat shock, and is increased in pituitary tumors, in gliomas and in VHL tumors. Seven splicing forms have been described. Two of them correspond to non-coding RNAs and the other five possess an RWD domain in the N-terminus and differ in their C-terminal end...
November 14, 2015: FEBS Letters
https://www.readbyqxmd.com/read/26196309/mature-ganglioneuroma-of-the-adrenal-gland-as-a-new-rare-cause-of-visible-haematuria-a-case-report-literature-review
#17
A Jaulim, N Nkwam, S Williams
INTRODUCTION: Ganglioneuromas are benign tumours of the sympathetic ganglia and the adrenal glands medulla. We describe a case of a fit and well 18 year old Caucasian male patient who initially presented to primary care with intermittent episodes of painless frank haematuria as well as some non-specific right-sided loin pain. PRESENTATION OF CASE: In this 18 year old man, initial ultrasound investigations at a 'one stop haematuria' clinic revealed the presence of an echogenic solid mass of 120×110×90mm around the upper pole of the right kidney...
2015: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/25865869/distribution-of-vitamin-c-is-tissue-specific-with-early-saturation-of-the-brain-and-adrenal-glands-following-differential-oral-dose-regimens-in-guinea-pigs
#18
COMPARATIVE STUDY
Stine Hasselholt, Pernille Tveden-Nyborg, Jens Lykkesfeldt
Vitamin C (VitC) deficiency is surprisingly common in humans even in developed parts of the world. The micronutrient has several established functions in the brain; however, the consequences of its deficiency are not well characterised. To elucidate the effects of VitC deficiency on the brain, increased knowledge about the distribution of VitC to the brain and within different brain regions after varying dietary concentrations is needed. In the present study, guinea pigs (like humans lacking the ability to synthesise VitC) were randomly divided into six groups (n 10) that received different concentrations of VitC ranging from 100 to 1500 mg/kg feed for 8 weeks, after which VitC concentrations in biological fluids and tissues were measured using HPLC...
May 28, 2015: British Journal of Nutrition
https://www.readbyqxmd.com/read/25822750/aleutian-mink-disease-virus-in-free-ranging-mink-from-sweden
#19
Sara Persson, Trine H Jensen, Anne-Lie Blomström, Mia Tjernström Appelberg, Ulf Magnusson
Aleutian mink disease (AMD) is a chronic viral disease in farmed mink and the virus (AMDV) has been found in many free-ranging mink (Neovison vison) populations in Europe and North America. In this study, AMDV DNA and AMDV antibodies were analysed in 144 free-ranging mink hunted in Sweden. Associations between being AMDV infected (defined as positive for both viral DNA and antibodies) and the weight of the spleen, liver, kidneys, adrenal glands and body condition were calculated and the sequences of ten AMDV isolates were analysed in order to characterize the genetic relationships...
2015: PloS One
https://www.readbyqxmd.com/read/25812593/-the-significance-of-metastasectomy-in-patients-with-metastatic-renal-cell-carcinoma
#20
Haruka Miyata, Nobuo Shinohara, Norihiro Murahashi, Kunihiko Tsuchiya, Naoto Miyajima, Satoru Maruyama, Takashige Abe, Kichizo Kaga, Satoshi Hirano, Katsuya Nonomura
We conducted a retrospective study to clarify the clinical significance of metastasectomy in patients with metastatic renal cell carcinoma (mRCC). Of 83 mRCC patients who were treated at our hospital between 2005 and 2010, 19 patients who underwent metastasectomy during the treatment course were the subjects of the present study. By the purpose and timing of metastasectomy, we classified the 19 patients into three groups : (1) patients who immediately underwent metastasectomy at diagnosis of metastasis (primary group), (2) patients who underwent resection of clinically problematic metastatic lesions for the relief of their symptoms (palliative group), and (3) patients who underwent complete resection of all metastatic lesions after sufficient systemic therapies (consolidation group)...
February 2015: Hinyokika Kiyo. Acta Urologica Japonica
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