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https://www.readbyqxmd.com/read/29351631/atypical-radiological-presentation-of-pulmonary-invasion-of-diffuse-large-b-cell-lymphoma-mimicking-pneumocystis-jiroveci-pneumonia
#1
Ryoko Inaba Higashiyama, Shinichi Makita, Akiko Miyagi Maeshima, Dai Maruyama
No abstract text is available yet for this article.
January 17, 2018: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29351618/maintenance-hormonal-therapy-after-treatment-with-medroxyprogesterone-acetate-for-patients-with-atypical-polypoid-adenomyoma
#2
Hidetaka Nomura, Yuko Sugiyama, Terumi Tanigawa, Maki Matoda, Sanshiro Okamoto, Kohei Omatsu, Hiroyuki Kanao, Kazuyoshi Kato, Kuniko Utsugi, Nobuhiro Takeshima
Background: As atypical polypoid adenomyoma (APA) has been reported to be a hormone-related tumor, we aimed to analyze the efficacy and safety of maintenance hormonal therapy after fertility-preserving treatment of these patients with medroxyprogesterone acetate (MPA). Methods: Data were retrospectively analyzed from patients with APA who were treated with a fertility-preserving regimen including MPA between October 2001 and December 2011. Eighteen patients were treated with MPA and 14 (77...
January 17, 2018: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29351487/contribution-of-parasympathetic-muscarinic-augmentation-of-insulin-secretion-to-olanzapine-induced-hyperinsulinemia
#3
Michael R Rickels, Elys M Perez, Amy J Peleckis, Erica Alshehabi, Huong-Lan Nguyen, Darko Stefanovski, Karl Rickels, Karen L Teff
Atypical antipsychotic drugs have been associated with the development of obesity and diabetes. In particular, olanzapine can induce peripheral insulin resistance and compensatory hyperinsulinemia independent of weight gain or psychiatric disease. To determine if this compensatory increase in insulin is mediated by parasympathetic muscarinic stimulation, we randomized fifteen healthy subjects 2:1 to receive double-blind olanzapine or placebo for 9 days under diet and activity controlled inpatient conditions...
December 19, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351065/measurement-of-binding-strength-between-prey-proteins-interacting-with-toxoplasma-gondii-sag1-and-sag2-using-isothermal-titration-calorimetry-itc
#4
Meng-Yee Lai, Yee-Ling Lau
Following the outcome from a previously performed yeast two-hybrid experiment, the binding strength between T. gondii SAG1 and SAG2 and their respective prey proteins were further confirmed in this study. The sag1, sag2 and their prey genes were amplified and cloned into a pGEMT vector. To express the recombinant proteins, the fragments were then subcloned into a pRSETA vector and transformed into E. coli BL21 (DE3) cells. The recombinant proteins were expressed optimally at 37°C and 1mM of IPTG. The 6X His-tag fusion proteins were purified, dialyzed and concentrated...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29350783/malignant-mesothelioma-in-situ
#5
Andrew Churg, Harry Hwang, Lawrence Tan, Gefei Qing, Altaf Taher, Amy Tong, AnaMaria Bilawich, Sanja Dacic
The existence of malignant mesothelioma in situ (MIS) is often postulated, but there are no accepted morphologic criteria for making such a diagnosis. Here we report two cases that appear to be true MIS on the basis of in situ genomic analysis. In one case the patient had repeated unexplained pleural unilateral effusions. Two thoracoscopies 9 months apart revealed only visually normal pleura. Biopsies from both thoracoscopies showed only a single layer of mildly reactive mesothelial cells. However, these cells had lost BAP1 and showed loss of CDKN2A ("p16″) by FISH...
January 19, 2018: Histopathology
https://www.readbyqxmd.com/read/29350599/prognostic-factors-for-progression-in-atypical-meningioma
#6
Shakir I Shakir, Luis Souhami, Kevin Petrecca, Jose João Mansure, Khushdeep Singh, Valerie Panet-Raymond, George Shenouda, Amal A Al-Odaini, Bassam Abdulkarim, Marie-Christine Guiot
OBJECTIVE The optimal adjuvant management for atypical meningiomas remains controversial. The aim of this study was to review long-term outcomes to identify potential prognostic factors for disease progression. METHODS From August 1992 to August 2013, 70 patients with atypical meningioma were treated at the authors' institution. Pathology revision was performed based on WHO 2007 criteria. Patients with multiple tumors, neurofibromatosis Type 2, or inadequate imaging follow-up were not eligible. The authors performed pre- and postoperative serial measurements of tumor volume from MRI...
January 19, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29350170/atypical-lower-motor-neuron-disease-with-enlargement-of-nissl-substance-report-of-an-autopsy-case
#7
Masayuki Shintaku, Daita Kaneda, Kiyomitsu Oyanagi
The patient was an 81-year-old woman diagnosed with atypical motor neuron disease who died after a long clinical course (7.5 years without mechanical assistance of ventilation) characterized by lower motor neuron signs and symptoms. Upper motor neuron signs and cognitive impairment were not apparent. Autopsy demonstrated severe neuronal loss in the anterior horn of the spinal cord, and some of the remaining neurons showed enlargement of Nissl substance and apparent thickening of the nuclear envelopes. No Bunina bodies, skein-like inclusions, or structures immunoreactive for phosphorylated transactivation response DNA-binding protein 43 were found...
January 19, 2018: Clinical Neuropathology
https://www.readbyqxmd.com/read/29349947/incidence-rate-of-atypical-femoral-fracture-after-bisphosphonates-treatment-in-korea
#8
Young Kyun Lee, Soyeon Ahn, Kyoung Min Kim, Chang Suk Suh, Kyung Hoi Koo
BACKGROUND: Atypical femoral fracture (AFF) has been high-lightened, because it was associated with the long-term use of bisphosphonate. Comparing western countries, the incidence rate of AFF was unclear in East Asian patients. Our purposes were to estimate the incidence rate of radiologically defined AFF in Korea, and to determine the association between occurrence of AFF and long-term use of bisphosphonate. METHODS: We conducted a hospital-based, retrospective cohort study in patients aged ≥ 45 years, who took bisphosphonate...
January 29, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29349906/pregnancy-greatly-affect-the-steroidal-module-of-the-athlete-biological-passport
#9
Jenny Mullen, Yifat Gadot, Emma Eklund, Alexander Andersson, Jenny J Schulze, Magnus Ericsson, Angelica Lindén Hirschberg, Anders Rane, Lena Ekström
Concentrations of urinary steroids are measured in anti-doping test programs to detect doping with endogenous steroids. These concentrations are combined into ratios and followed over time in the steroidal module of the Athlete Biological Passport (ABP). The most important ratio in the ABP is the testosterone/epitestosterone (T/E) ratio but this ratio is subject to intra-individual variations, especially large in women, which complicates interpretation. In addition there are other factors affecting T/E, pregnancy for example is known to affect the urinary excretion rate of epitestosterone and hence the T/E ratio...
January 18, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29349606/well-differentiated-liposarcoma-atypical-lipomatous-tumor-presenting-as-an-esophageal-polyp
#10
Aoife J McCarthy, Paul Carroll, Rajkumar Vajpeyi, Gail Darling, Runjan Chetty
No abstract text is available yet for this article.
January 19, 2018: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29349388/atypical-infrarenal-aortic-coarctation
#11
Brian M Leoce, Herbert Dardik, Mahesh Bikkina, Thomas R Bernik
No abstract text is available yet for this article.
June 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29348617/neuronal-lysosomal-dysfunction-releases-exosomes-harboring-app-c-terminal-fragments-and-unique-lipid-signatures
#12
André M Miranda, Zofia M Lasiecka, Yimeng Xu, Jessi Neufeld, Sanjid Shahriar, Sabrina Simoes, Robin B Chan, Tiago Gil Oliveira, Scott A Small, Gilbert Di Paolo
Defects in endolysosomal and autophagic functions are increasingly viewed as key pathological features of neurodegenerative disorders. A master regulator of these functions is phosphatidylinositol-3-phosphate (PI3P), a phospholipid synthesized primarily by class III PI 3-kinase Vps34. Here we report that disruption of neuronal Vps34 function in vitro and in vivo impairs autophagy, lysosomal degradation as well as lipid metabolism, causing endolysosomal membrane damage. PI3P deficiency also promotes secretion of unique exosomes enriched for undigested lysosomal substrates, including amyloid precursor protein C-terminal fragments (APP-CTFs), specific sphingolipids, and the phospholipid bis(monoacylglycero)phosphate (BMP), which normally resides in the internal vesicles of endolysosomes...
January 18, 2018: Nature Communications
https://www.readbyqxmd.com/read/29348386/st-elevation-in-lead-avr-and-its-association-with-clinical-outcomes
#13
Eka Ginanjar, Yulianto Yulianto
The purpose of this case repots are to evaluate the role of ST elevation in aVR lead and to make analysis between both cases. There are some atypical electrocardiogram (ECG) presentations which need prompt management in patient with ischemic clinical manifestation such as ST elevation in aVR lead. In this case study, we report a 68-year old woman with chief symptoms of shortness of breath and chest discomfort. She was diagnosed with cardiogenic shock, with Killip class IV, and TIMI score of 8. The second case is a 57-year-old man with typical chest pain at rest which could not be relieved with nitrate treatment...
October 2017: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/29348280/marked-cachexia-in-probable-invasive-pulmonary-aspergillosis-with-bronchopleural-fistula
#14
Christiana Page, Laura Blazy, Melanie Jenkins, Rosalba Spiritoso
A 49-year-old man with a medical history of diabetes and heavy smoking was admitted to intensive care with severe bilateral pneumonia associated with marked cachexia. He developed a complex right-sided bronchopleural fistula and was transferred to our tertiary centre for consideration of surgical intervention.Despite escalation of antibiotic therapy, he did not improve and further investigations led to a diagnosis of invasive pulmonary aspergillosis. Definitive treatment plans required a right pneumonectomy; however, given the severity of cachexia, he remained unable to undergo such a large operation...
January 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29348275/microangiopathies-in-pregnancy
#15
Jailan Elayoubi, Kavitha Donthireddy, Divyesh Reddy Nemakayala
Thrombotic thrombocytopenic purpura (TTP) is a potentially reversible, life-threatening medical emergency. We present a case of a 21-year-old female with evidence of haemolytic anaemia based on the presence of positive markers of haemolysis. Negative Coomb's test, thrombocytopenia and placental infarcts raised suspicion for a thrombotic microangiopathy. She was diagnosed with TTP and managed with emergency plasma exchange. Her recovery was immediate.A presumptive diagnosis of TTP should be based on the presence of microangiopathic haemolytic anaemia with thrombocytopenia and plasma exchange should be initiated while complete work up is pending...
January 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29348201/solution-structure-of-sperm-lysin-yields-novel-insights-into-molecular-dynamics-of-rapid-protein-evolution
#16
Damien B Wilburn, Lisa M Tuttle, Rachel E Klevit, Willie J Swanson
Protein evolution is driven by the sum of different physiochemical and genetic processes that usually results in strong purifying selection to maintain biochemical functions. However, proteins that are part of systems under arms race dynamics often evolve at unparalleled rates that can produce atypical biochemical properties. In the marine mollusk abalone, lysin and vitelline envelope receptor for lysin (VERL) are a pair of rapidly coevolving proteins that are essential for species-specific interactions between sperm and egg...
January 18, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29347944/expression-of-ugp2-and-cfl1-expression-levels-in-benign-and-malignant-pancreatic-lesions-and-their-clinicopathological-significance
#17
Lingxiang Wang, Li Xiong, Zhengchun Wu, Xiongying Miao, Ziru Liu, Daiqiang Li, Qiong Zou, Zhulin Yang
BACKGROUND: This study investigated UGP2 (uridine diphosphate-glucose pyrophosphorylase-2) and CFL1 (cofilin-1) expression in pancreatic ductal carcinoma (PDC), paracancerous tissue (PT), benign lesions (BL), and normal tissue (NT) and their clinicopathological significance. METHODS: Surgical specimens, which were collected from 106 cases of pancreatic ductal carcinoma, 35 cases of paracancerous tissues, 55 cases of benign lesions and 13 cases of normal pancreatic tissues, were fixed with 4% formaldehyde to prepare conventional paraffin-embedded sections...
January 18, 2018: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29347913/an-unusual-case-of-infective-pneumocephalus-case-report-of-pneumocephalus-exacerbated-by-continuous-positive-airway-pressure
#18
Abdus Samad Ansari, Brittany B Dennis, Dilip Shah, Winfred Baah
BACKGROUND: Pneumocephalus, illustrated by air in the cranial vault is relatively infrequent and generally associated with neurosurgery, trauma, meningitis and barotrauma. However cases of spontaneous non-traumatic pneumocephalus remain rare. While the relationship between continuous positive airway pressure (CPAP) and atraumatic pneumocephalus has been previously reported, to our knowledge the rare presentation associated with sinus wall osteomyelitis has never been described. We summarize here the case of a 67-year-old woman's acute presentation of Streptococcus salvarius infection after a sudden drop in her consciousness...
January 18, 2018: BMC Emergency Medicine
https://www.readbyqxmd.com/read/29347714/fluctuating-hydrodynamics-current-fluctuations-and-hyperuniformity-in-boundary-driven-open-quantum-chains
#19
Federico Carollo, Juan P Garrahan, Igor Lesanovsky, Carlos Pérez-Espigares
We consider a class of either fermionic or bosonic noninteracting open quantum chains driven by dissipative interactions at the boundaries and study the interplay of coherent transport and dissipative processes, such as bulk dephasing and diffusion. Starting from the microscopic formulation, we show that the dynamics on large scales can be described in terms of fluctuating hydrodynamics. This is an important simplification as it allows us to apply the methods of macroscopic fluctuation theory to compute the large deviation (LD) statistics of time-integrated currents...
November 2017: Physical Review. E
https://www.readbyqxmd.com/read/29347236/importance-sampling-computation-of-statistical-properties-of-coupled-oscillators
#20
Shamik Gupta, Jorge C Leitão, Eduardo G Altmann
We introduce and implement an importance-sampling Monte Carlo algorithm to study systems of globally coupled oscillators. Our computational method efficiently obtains estimates of the tails of the distribution of various measures of dynamical trajectories corresponding to states occurring with (exponentially) small probabilities. We demonstrate the general validity of our results by applying the method to two contrasting cases: the driven-dissipative Kuramoto model, a paradigm in the study of spontaneous synchronization; and the conservative Hamiltonian mean-field model, a prototypical system of long-range interactions...
July 2017: Physical Review. E
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