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https://www.readbyqxmd.com/read/27934406/structures-of-m2-so2-6b12f12-m-ag-or-k-and-ag2-h2o-4b12f12-comparison-of-the-coordination-of-so2-versus-h2o-and-of-b12f12-2-versus-other-weakly-coordinating-anions-to-metal-ions-in-the-solid-state
#1
Moritz Malischewski, Dmitry V Peryshkov, Eric V Bukovsky, Konrad Seppelt, Steven H Strauss
The structures of three solvated monovalent cation salts of the superweak anion B12F12(2-) (Y(2-)), K2(SO2)6Y, Ag2(SO2)6Y, and Ag2(H2O)4Y, are reported and discussed with respect to previously reported structures of Ag(+) and K(+) with other weakly coordinating anions. The structures of K2(SO2)6Y and Ag2(SO2)6Y are isomorphous and are based on expanded cubic close-packed arrays of Y(2-) anions with M(OSO)6(+) complexes centered in the trigonal holes of one expanded close-packed layer of B12 centroids (⊙)...
December 5, 2016: Inorganic Chemistry
https://www.readbyqxmd.com/read/27934191/plasma-induced-nonvolatile-resistive-switching-with-extremely-low-set-voltage-in-tioxfy-with-agf-nanoparticles
#2
Xiangyu Sun, Chuangui Wu, Yao Shuai, Xinqiang Pan, Wenbo Luo, Tiangui You, Agnieszka Bogusz, Nan Du, Yanrong Li, Heidemarie Schmidt
Low power consumption is crucial for the application of resistive random access memory. In this work, we present the bipolar resistive switching in an Ag/TiOxFy/Ti/Pt stack with extremely low switch-on voltage of 0.07 V. Operating current as low as 10 nA was also obtained by conductive atomic force microscopy. The highly defective TiOxFy layer was fabricated by plasma treatment using helium, oxygen, and carbon tetrafluoride orderly. During the electroforming process, AgF nanoparticles were formed due to the diffusion of Ag(+) which reacted with the adsorbed F(-) in the TiOxFy layer...
December 7, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27933176/pancreatic-%C3%AE-cell-hyperplasia-and-hyperglucagonemia-due-to-a-glucagon-receptor-splice-mutation
#3
Etienne Larger, Nicolai J Wewer Albrechtsen, Lars H Hansen, Richard W Gelling, Jacqueline Capeau, Carolyn F Deacon, Ole D Madsen, Fumiatsu Yakushiji, Pierre De Meyts, Jens J Holst, Erica Nishimura
: Glucagon stimulates hepatic glucose production by activating specific glucagon receptors in the liver, which in turn increase hepatic glycogenolysis as well as gluconeogenesis and ureagenesis from amino acids. Conversely, glucagon secretion is regulated by concentrations of glucose and amino acids. Disruption of glucagon signaling in rodents results in grossly elevated circulating glucagon levels but no hypoglycemia. Here, we describe a patient carrying a homozygous G to A substitution in the invariant AG dinucleotide found in a 3' mRNA splice junction of the glucagon receptor gene...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27932742/differences-in-cancer-characteristics-of-chinese-patients-with-prostate-cancer-who-present-with-different-symptoms
#4
S Ys Chan, C F Ng, K Wm Lee, C H Yee, P Kf Chiu, J Yc Teoh, S Sm Hou
INTRODUCTION: Currently there is no structured prostate cancer screening programme in Asia. Early diagnosis of prostate cancer in Asia is by an opportunistic case-finding approach, that is, offering prostate-specific antigen testing to an individual without obvious symptoms of prostate cancer. In this study, we aimed to investigate the relationship between the mode of presentation and the characteristics of prostate cancers diagnosed in our hospital. METHODS: We recruited 120 consecutive Chinese patients with prostate cancer newly diagnosed from September 2011 to February 2013 in a regional hospital in Hong Kong...
December 9, 2016: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/27932557/quantitative-parameters-in-psma-targeted-pet-imaging-with-18f-dcfpyl-variability-in-normal-organ-uptake
#5
Xin Li, Steven P Rowe, Jeffrey P Leal, Michael A Gorin, Mohamad E Allaf, Ashley E Ross, Kenneth J Pienta, Martin A Lodge, Martin G Pomper
PURPOSE: (18)F-DCFPyL is a small-molecule inhibitor of the prostate-specific membrane antigen (PSMA) that has shown promise for evaluation of primary and metastatic prostate cancer (PC) using positron emission tomography (PET). Measuring the variability in normal organ uptake of (18)F-DCFPyL is necessary to understand its biodistribution, aid image interpretation, judge the reliability of scan quantification, and to provide a basis for therapeutic monitoring. METHODS: 65 consecutive (18)F-DCFPyL PET/CT scans from 64 patients with a history of PC were analyzed...
December 8, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27932551/antigen-unmasking-enhances-visualization-efficacy-of-the-oocyte-activation-factor-phospholipase-c-zeta-in-mammalian-sperm
#6
Junaid Kashir, Luke Buntwal, Michail Nomikos, Brian L Calver, Panagiotis Stamatiadis, Peter Ashley, Vyronia Vassilakopoulou, David Sanders, Paul Knaggs, Evangelia Livaniou, Adnan Bunkheila, Karl Swann, F Anthony Lai
STUDY QUESTION: Is it possible to improve clinical visualization of phospholipase C zeta (PLCζ) as a diagnostic marker of sperm oocyte activation capacity and male fertility? SUMMARY ANSWER: Poor PLCζ visualization efficacy using current protocols may be due to steric or conformational occlusion of native PLCζ, hindering antibody access, and is significantly enhanced using antigen unmasking/retrieval (AUM) protocols. WHAT IS KNOWN ALREADY: Mammalian oocyte activation is mediated via a series of intracellular calcium (Ca(2+)) oscillations induced by sperm-specific PLCζ...
December 8, 2016: Molecular Human Reproduction
https://www.readbyqxmd.com/read/27932179/combined-kidney-transplantation-and-splenic-fossa-auxiliary-heterotopic-liver-transplantation-in-a-highly-sensitized-recipient-a-case-report
#7
G Zhang, Y Zhu, W Qin, L Yu, G Wu, S Ma, F Wang, R Qin, X Yang, K Tao, S Yue, G Zhao, Z Yang, J Yuan, K Dou, J Yuan
BACKGROUND: Combined kidney and auxiliary orthotopic liver transplantation from the same donor is used to treat highly sensitized renal transplant recipients. Auxiliary liver can protect the transplanted kidney against hyperacute rejection. METHODS: In the current case, combined kidney and splenic fossa auxiliary heterotopic liver transplantation was performed from the same donor for a highly sensitized recipient without preoperative preconditioning. No postoperative hyperacute rejection occurred...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932151/kidney-transplantation-with-ultralong-term-42-years-survival-of-a-100-year-old-graft
#8
E Nascimento, F M Lucas-Junior, R A Fabreti-Oliveira, B Vilela, E R F Tavora, J P L Silva, A Salomão-Filho
BACKGROUND: In kidney transplantation, long-term graft survival has improved over the last few decades. Study to understand ultralong-term graft survival with graft functioning is rare, but a few researchers have tried to explain the factors involved in long-term graft survival. In this report, we explore the predictive factors that can be involved in ultralong-term graft survival. MATERIAL AND METHODS: Immunologic evaluations of the patients were performed using crossmatch (XM), serological, and high-resolution HLA typing for 8 loci...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932124/de-novo-donor-specific-anti-human-leukocyte-antigen-antibody-detection-in-long-term-adult-liver-transplantation
#9
D San Segundo, C Alonso, P Ruiz, I Roman, M T Arias-Loste, A Cuadrado, A Puente, F Casafont, M López-Hoyos, J Crespo, E Fábrega
INTRODUCTION: Information about the consequences of de novo donor-specific anti-human leukocyte antigen (DSA) antibody development in the long term after adult liver transplantation (LT) is scarce. We conducted a cross-sectional study in LT patients with a follow-up of at least 6 years. METHODS: A total of 28 adult LT patients were included, with a median follow-up of 77 months (range, 63 to 96) and without preformed anti- human leukocyte antigen (HLA) antibodies prior to LT...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27931933/diagnostic-evaluation-of-assays-for-detection-of-antibodies-against-porcine-epidemic-diarrhea-virus-pedv-in-pigs-exposed-to-different-pedv-strains
#10
Priscilla F Gerber, Davide Lelli, Jianqiang Zhang, Bertel Strandbygaard, Ana Moreno, Antonio Lavazza, Simona Perulli, Anette Bøtner, Loic Comtet, Mickael Roche, Philippe Pourquier, Chong Wang, Tanja Opriessnig
Porcine epidemic diarrhea virus (PEDV) has caused economic losses in the Americas, Asia and Europe in recent years. Reliable serological assays are essential for epidemiological studies and vaccine evaluation. The objective of this study was to compare the ability of five enzyme-linked immunosorbent assays (ELISAs) to detect antibodies against different PEDV strains in pig serum. A total of 732 serum samples from North American or European pigs were tested. Samples included experimental samples from pigs infected with classical (G1a PEDV) or variant genogroup 1 PEDV (G1b PEDV), pandemic genogroup 2 PEDV (G2b PEDV) or non-infected controls...
December 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27931505/phase-iii-clinical-trial-assessing-safety-and-efficacy-of-umbilical-cord-blood-mononuclear-cell-transplant-therapy-of-chronic-complete-spinal-cord-injury
#11
Hui Zhu, Waisang Poon, Yansheng Liu, Gilberto Ka-Kit Leung, Yatwa Wong, Yaping Feng, Stephanie C P Ng, Kam Sze Tsang, David T F Sun, David K Yeung, Caihong Shen, Fang Niu, Zhexi Xu, Pengju Tan, Shaofeng Tang, Hongkun Gao, Yun Cha, Kwok-Fai So, Robert Fleischaker, Dongming Sun, John Chen, Jan Lai, Wendy Cheng, Wise Young
Umbilical cord blood-derived mononuclear cell (UCB-MNC) transplants improve recovery in animal spinal cord injury (SCI) models. We transplanted UCB-MNCs into 28 patients with chronic complete SCI in Hong Kong (HK) and Kunming (KM). Stemcyte Inc. donated UCB-MNCs isolated from human leukocyte antigen (HLA 4:6)-matched UCB units. In HK, four patients received four 4-l injections (1.6 million cells) into dorsal entry zones above and below the injury site, and another four received 8-l injections (3.2 million cells)...
November 2016: Cell Transplantation
https://www.readbyqxmd.com/read/27930567/granulocytic-sarcoma-of-the-pancreas-on-18f-fdg-pet-ct-a-case-report
#12
Akira Ishii, Tadakazu Kondo, Tomomi Oka, Yuji Nakamoto, Akifumi Takaori-Kondo
RATIONALE: Granulocytic sarcoma (GS) is defined as leukemia infiltration in any organ other than the bone marrow. GS rarely occurs in the pancreas. Here, we present the first report of GS in the pancreas on F-fluorodexyglucose positron emission tomography/computed tomography (F-FDG PET/CT). PATIENT CONCERNS: A 19-year-old male patient with acute myeloid leukemia received a human leukocyte antigen-haploidentical stem cell transplant as a second transplant while in second complete remission...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27929800/harnessing-benefit-from-targeting-tumor-associated-carbohydrate-antigens
#13
Thomas Kieber-Emmons, Bejatohlah Monzavi-Karbassi, Laura F Hutchins, Angela Pennisi, Issam Makhoul
Integrating additive or synergistic antitumor effects that focus on distinct elements of tumor biology are the most rational strategies for cancer treatment. Treatments for breast cancer have increased overall survival, but remain limited by lack of efficacy in a subset of breast cancer patients. The real challenge is to define what elements of tumor biology make the most sense to be integrated. An emerging strategy is to consider a systems biology approach to impact multiple interactions in networks as compared to hitting a specific protein-protein interaction target...
December 8, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27928444/the-remote-effects-of-intravitreal-anti-vegf-therapy
#14
Balta F, Merticariu M, Taban C, Neculau G, Merticariu A, Muresanu D, Badescu D, Jinga V
Objective: To study the effects of intravitreal anti-Vascular Endothelial Growth Factor (VEGF) therapy with Avastin for wet Age-Related Macular Degeneration (AMD) on Benign Prostatic Hyperplasia (BPH)-related symptoms. Methods: An exploratory trial was conducted from August 1, 2013 to February 1, 2014, that included 14 male patients previously diagnosed with BPH, who were aged between 59 and 69 years. The trial was performed in Bucharest and involved two medical institutions: the Clinical Hospital of Eye Emergencies and the "Prof...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27927857/novel-clinical-and-pathologic-findings-in-a-heartland-virus-associated-death
#15
Mary-Margaret A Fill, Margaret L Compton, Edward C McDonald, Abelardo C Moncayo, John R Dunn, William Schaffner, Julu Bhatnagar, Sherif R Zaki, Timothy F Jones, Wun-Ju Shieh
We describe an investigation into a Heartland Virus (HRTV)-associated death in Tennessee with novel clinical and pathologic findings. HRTV can cause rapidly fatal, widely disseminated infection with multisystem organ failure in patients without substantial comorbidities. We identified viral antigen in multiple organ tissues where it was not detected previously.
December 7, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27927680/functional-and-antigen-specific-serum-antibody-levels-as-correlates-of-protection-against-shigellosis-in-a-controlled-human-challenge-study
#16
Avital A Shimanovich, Amanda D Buskirk, Shannon J Heine, William C Blackwelder, Rezwanul Wahid, Karen L Kotloff, Marcela F Pasetti
Shigella is an important cause of diarrheal disease in young children living in developing countries. No approved vaccines are available, and the development of vaccine candidates has been hindered, among other reasons, by the lack of firm immunological correlates of protection. To address this gap in knowledge, we established quantitative assays to measure Shigella-specific serum bactericidal (SBA) and opsonophagocytic killing antibody (OPKA) activity and investigated their potential association with protection against disease in humans...
December 7, 2016: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/27926918/evaluation-of-lymphatic-filariasis-and-onchocerciasis-in-three-senegalese-districts-treated-for-onchocerciasis-with-ivermectin
#17
Nana O Wilson, Alioune Badara Ly, Vitaliano A Cama, Paul T Cantey, Daniel Cohn, Lamine Diawara, Abdel Direny, Mawo Fall, Karla R Feeser, LeAnne M Fox, Achille Kabore, Amadou F Seck, Ngayo Sy, Daouda Ndiaye, Christine Dubray
In Africa, onchocerciasis and lymphatic filariasis (LF) are co-endemic in many areas. Current efforts to eliminate both diseases are through ivermectin-based mass drug administration (MDA). Years of ivermectin distribution for onchocerciasis may have interrupted LF transmission in certain areas. The Kédougou region, Senegal, is co-endemic for LF and onchocerciasis. Though MDA for onchocerciasis started in 1988, in 2014 albendazole had not yet been added for LF. The objective of this study was to assess in an integrated manner the LF and onchocerciasis status in the three districts of the Kédougou region after ≥10 years of ivermectin-based MDA...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27926855/temporally-programmed-cd8%C3%AE-dc-activation-enhances-combination-cancer-immunotherapy
#18
Alice Tzeng, Monique J Kauke, Eric F Zhu, Kelly D Moynihan, Cary F Opel, Nicole J Yang, Naveen Mehta, Ryan L Kelly, Gregory L Szeto, Willem W Overwijk, Darrell J Irvine, K Dane Wittrup
Numerous synergistic cancer immunotherapy combinations have been identified, but the effects of relative dose timing are rarely considered. In established syngeneic mouse tumor models, we found that staggering interferon-α (IFNα) administration after, rather than before or simultaneously with, serum-persistent interleukin-2 (IL-2) and tumor-specific antibody significantly increased long-term survival. Successful combination therapy required IFNα-induced activation of cross-presenting CD8α(+) dendritic cells (DCs) following the release of antigenic tumor debris by the IL-2- and antibody-mediated immune response...
December 6, 2016: Cell Reports
https://www.readbyqxmd.com/read/27926665/clinicopathological-analysis-and-risk-factors-of-advanced-colorectal-neoplasms-incidentally-detected-by-18f-fdg-pet-ct
#19
Seung Min Chung, Kyeong Ok Kim, Ihn Ho Cho, Tae Nyeun Kim
BACKGROUND: As the clinical use of fluorine-18-fluorodeoxyglucose PET-computed tomography (F-FDG PET-CT) has increased, the incidental finding of F-FDG uptake with subsequent diagnosis of advanced neoplasm at colorectum has increased. The aim of this study is to analyze the characteristics and risk factors of advanced colorectal neoplasm incidentally detected by F-FDG PET-CT. PATIENTS AND METHODS: Patients who underwent colonoscopy because of an incidental finding of F-FDG uptake at the colorectum from January 2006 to January 2015 at Yeungnam University Hospital were reviewed retrospectively...
December 6, 2016: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27925405/animal-to-human-dose-translation-of-obiltoxaximab-for-treatment-of-inhalational-anthrax-under-the-us-fda-animal-rule
#20
C F Nagy, J Mondick, N Serbina, L S Casey, S E Carpenter, J French, R Guttendorf
Obiltoxaximab, a monoclonal antibody against protective antigen (PA), is approved for treatment of inhalational anthrax under the US Food and Drug Administration's (FDA) Animal Rule. The human dose was selected and justified by comparing observed obiltoxaximab exposures in healthy and infected New Zealand White rabbits and cynomolgus macaques to observed exposures in healthy humans, to simulated exposures in healthy and infected humans, and to serum PA levels in infected animals. In humans, at 16 mg/kg intravenous, obiltoxaximab AUC was >2 times that in animals, while maximum serum concentrations were comparable to those in animals and were maintained in excess of the concentration required for PA neutralization in infected animals for 2-3 weeks...
December 7, 2016: Clinical and Translational Science
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