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https://www.readbyqxmd.com/read/29236355/b-cell-specific-protein-fcrla-is-expressed-by-plasmacytoid-dendritic-cells-in-humans
#1
Evdokiya Reshetnikova, Sergey Guselnikov, Olga Volkova, Konstantin Baranov, Alexander Taranin, Ludmila Mechetina
BACKGROUND: Fc receptor-like A (FCRLA) is a unique member of a family of Fc receptor like-molecules that lacks a transmembrane region and is an ER-resident protein. In mice and humans, FCRLA has been known as a B cell specific protein. We report here that, in humans, FCRLA is also expressed in a subpopulation of plasmacytoid dendritic cells (pDCs). METHODS: Human peripheral blood mononuclear cells (PBMC), splenocytes, and tonsillar cells were stained for lineage markers followed by fixation/saponin permeabilization and intracellular staining for FCRLA, and then analyzed by flow cytometry with CD123 and CD303 used as pDC markers...
December 13, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/29236111/palladium-catalyzed-carbene-alkyne-metathesis-with-enynones-as-carbene-precursors-synthesis-of-fused-polyheterocycles
#2
Yang Zheng, Ming Bao, Ruwei Yao, Lihua Qiu, Xinfang Xu
An unprecedented palladium-catalyzed novel carbene/alkyne metathesis cascade reaction of alkyne-tethered enynones is described. This reaction affords fused polyheterocycles in moderate to good yields. The transformation begins with Pd-catalyzed 5-exo-dig cyclization of the enynone to form the donor/donor metal carbene, which then undergoes metathesis with the alkyne followed by electrophilic aromatic substitution.
December 13, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29235914/improving-predictive-accuracy-in-elections
#3
David Sathiaraj, William M Cassidy, Eric Rohli
The problem of accurately predicting vote counts in elections is considered in this article. Typically, small-sample polls are used to estimate or predict election outcomes. In this study, a machine-learning hybrid approach is proposed. This approach utilizes multiple sets of static data sources, such as voter registration data, and dynamic data sources, such as polls and donor data, to develop individualized voter scores for each member of the population. These voter scores are used to estimate expected vote counts under different turnout scenarios...
December 2017: Big Data
https://www.readbyqxmd.com/read/29235883/nitric-oxide-modulates-the-responses-of-osteoclast-formation-to-static-magnetic-fields
#4
Jian Zhang, Chong Ding, Xiaofeng Meng, Peng Shang
Nitric oxide (NO) is involved in osteoclast differentiation. Our previous studies showed that static magnetic fields (SMFs) could affect osteoclast differentiation. The inhibitory effects of 16 T of high SMF (HiMF) on osteoclast differentiation was correlated with increased production of NO. We raised the hypothesis that NO mediated the regulatory role of SMFs on osteoclast formation. In this study, 500 nT of hypomagnetic field (HyMF), 0.2 T of moderate SMF (MMF) and 16 T of high SMF (HiMF) were utilized as SMF treatment...
December 13, 2017: Electromagnetic Biology and Medicine
https://www.readbyqxmd.com/read/29235873/esterase-sensitive-self-immolative-sulfur-dioxide-donors
#5
Kundansingh A Pardeshi, Govindan Ravikumar, Harinath Chakrapani
A series of cell-permeable esterase-sensitive sulfonates that undergo self-immolation to produce sulfur dioxide (SO2), a gaseous pollutant with new and emerging biological roles, is reported. These compounds should facilitate the study SO2 biology and will lay the platform for newer stimuli-responsive donors of this gas.
December 13, 2017: Organic Letters
https://www.readbyqxmd.com/read/29235857/second-sphere-effects-in-dinuclear-feiiiznii-hydrolase-biomimetics-tuning-binding-and-reactivity-properties
#6
Tiago Pacheco Camargo, Ademir Neves, Rosely A Peralta, Cláudia Chaves, Elene C P Maia, Edgar H Lizarazo-Jaimes, Dawidson A Gomes, Tiago Bortolotto, Douglas R Norberto, Hernán Terenzi, David L Tierney, Gerhard Schenk
Herein, we report the synthesis and characterization of two dinuclear FeIIIZnII complexes [FeIIIZnIILP1] (1) and [FeIIIZnIILP2] (2), in which LP1 and LP2 are conjugated systems containing one and two pyrene groups, respectively, connected via the diamine -HN(CH2)4NH- spacer to the well-known N5O2-donor H2L ligand (H2L = 2-bis{[(2-pyridylmethyl)aminomethyl]-6-[(2-hydroxybenzyl)(2-pyridylmethyl)]aminomethyl}-4-methylphenol). The complex [FeIIIZnIIL1] (3), in which H2L was modified to H2L1, with a carbonyl group attached to the terminal phenol group, was included in this study for comparison purposes...
December 13, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29235849/all-small-molecule-solar-cells-incorporating-ndi-based-acceptors-synthesis-and-full-characterization
#7
Jisu Hong, Yeon Hee Ha, Hyojung Cha, Ran Kim, Yu Jin Kim, Chan Eon Park, James R Durrant, Soon-Ki Kwon, Tae Kyu An, Yun-Hi Kim
A series of naphthalene diimide (NDI)-based small molecules were synthesized as nonfullerene acceptors and incorporated in all-small-molecule solar cells. Three NDI-based small molecules, NDICN-T, NDICN-BT, and NDICN-TVT, were designed with different linkers between two NDI units to induce the different conjugation length and modulate the geometric structures of the NDI dimers. The small NDI-based dimer electron acceptors with slip-stacked structures that facilitate π-π stacking interactions and/or hinder excessive aggregation exhibited different morphological behaviors, such as miscibility or crystallinity in bulk heterojunction blends with 7,7'-(4,4-bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophene-2,6-diyl)bis(6-fluoro-4-(5'-hexyl-[2,2'-bithiophen]-5-yl)benzo[c][1,2,5]thiadiazole) (DTS-F) electron donors...
December 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29235447/electrical-conductivity-of-in2o3-and-ga2o3-after-low-temperature-ion-irradiation-implications-for-instrinsic-defect-formation-and-charge-neutrality-level
#8
L Vines, C Bhoodoo, H von Wenckstern, M Grundmann
The evolution of sheet resistance of n-type In2O3 and Ga2O3 exposed to bombardment with MeV 12C and 28Si ions at 35 K is studied in situ. While the sheet resistance of Ga2O3 increased by more than eight orders of magnitude as a result of ion irradiation, In2O3 showed a more complex defect evolution and became more conductive when irradiated at the highest doses. Heating up to room temperature reduced the sheet resistivity somewhat, but Ga2O3 remained highly resistive, while In2O3 showed a lower resistance than as deposited samples...
December 13, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29235399/reviewing-the-use-of-ventricular-assist-devices-in-the-elderly-where-do-we-stand-today
#9
Nandini Nair, Enrique Gongora
Implantation of left ventricular assist devices (LVADS) in older patients appears to be an attractive option in the wake of donor shortage and increasing incidence and prevalence of end stage heart failure. Since the inception of the artificial heart program half a century ago tremendous progress in research and development has led to utilization of more sophisticated devices. VADs have therefore emerged as a successful therapy for extending life with meaningful quality. Areas covered: This review will address the use of LVADS as a bridge to transplantation, destination therapy and comparison of LVAD therapy with alternate list heart transplantation in the elderly population...
December 13, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/29235221/liver-transplant-for-metastatic-pancreatoblastoma-7-year-event-free-survival-after-chemotherapy-pancreatectomy-complete-hepatectomy-and-liver-transplant
#10
A A Ghaffarian, L Book, R L Meyers
Pancreatoblastoma is a rare malignant tumor in children. Surgical resection of the tumor is necessary for cure; however, due to its aggressive nature, it is often unresectable at presentation due to tumor size, local invasion, and/or metastasis. Because it is a rare tumor, there is currently no standard treatment regimen. We report a case of a 4-year-old boy who presented with metastatic pancreatoblastoma with multiple large metastases involving all four sectors of the liver. We began treatment with chemotherapy (cisplatin, 5FU, vincristine, and doxorubicin), which significantly reduced the tumor burden in both the pancreas and liver...
December 13, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/29235212/high-performance-as-cast-nonfullerene-polymer-solar-cells-with-thicker-active-layer-and-large-area-exceeding-11-power-conversion-efficiency
#11
Qunping Fan, Yan Wang, Maojie Zhang, Bo Wu, Xia Guo, Yufeng Jiang, Wanbin Li, Bing Guo, Chennan Ye, Wenyan Su, Jin Fang, Xuemei Ou, Feng Liu, Zhixiang Wei, Tze Chien Sum, Thomas P Russell, Yongfang Li
In this work, a nonfullerene polymer solar cell (PSC) based on a wide bandgap polymer donor PM6 containing fluorinated thienyl benzodithiophene (BDT-2F) unit and a narrow bandgap small molecule acceptor 2,2'-((2Z,2'Z)-((4,4,9,9-tetrahexyl-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene-2,7-diyl)bis(methanylylidene))bis(3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile (IDIC) is developed. In addition to matched energy levels and complementary absorption spectrum with IDIC, PM6 possesses high crystallinity and strong π-π stacking alignment, which are favorable to charge carrier transport and hence suppress recombination in devices...
December 13, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29235211/pre-transplant-serum-procalcitonin-level-for-prediction-of-early-post-transplant-sepsis-in-living-donor-liver-transplantation
#12
Takanobu Hara, Akihiko Soyama, Masaaki Hidaka, Koji Natsuda, Tomohiko Adachi, Shinichiro Ono, Satomi Okada, Takashi Hamada, Mitsuhisa Takatsuki, Susumu Eguchi
AIM: Infections are frequent causes of in-hospital mortality after liver transplantation (LT). Elimination of possible risks in the pre-transplant period, early diagnosis of post-transplant sepsis, and prompt administration of antimicrobial agents are important. The objectives of this study were to analyze the impact of early post-transplant sepsis on outcomes and to clarify the value of predictive factors for early post-transplant sepsis. METHODS: The study included 136 patients who underwent initial living donor LT (LDLT) at our institute from April 2009 to December 2016...
December 13, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29235086/endothelial-expression-of-c-kit-and-cd68-in-dental-follicles-of-human-impacted-third-molars
#13
Mugurel Constantin Rusu, Aliona Rașcu, Mihai Dragomir Stoenescu
Periodontal tissue remnants of odontogenesis constitute the dental follicle (DF) which is actually considered a stem niche in adults. However, potentialities of local endothelia within this niche seem overlooked. We thus aimed at testing the endothelial cells expression of c-kit, the progenitor cells marker, and CD68, commonly regarded as a monocyte/macrophage marker, in human DFs. We performed an immunohistochemical study using these two markers which were applied on samples collected from ten adult patients...
December 13, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29234993/narrative-identity-in-third-party-reproduction-normative-aspects-and-ethical-challenges
#14
Natacha Salomé Lima
In the last few decades, assisted reproduction has introduced new challenges to the way people conceive and build their families. While the numbers of donor-conceived (DC) individuals have increased worldwide, there are still many controversies concerning access to donor information. Is there a fundamental moral right to know one's genetic background? What does identity in DC families mean? Is there any relationship between identity formation and disclosure of genetic origins? These questions are addressed by analysing core regulatory discourse (ethical recommendations and codes of practice)...
December 12, 2017: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/29234870/-good-practice-procedures-for-acquisition-and-preparation-of-cryopreserved-human-amniotic-membranes-from-donor-placentas
#15
REVIEW
H Thomasen, J Schroeter, T Reinhard, B Seitz, K-P Steuhl, D Meller
Within the framework of obtaining a valid authorization for tissue preparation of cryopreserved human amniotic membranes at the Paul Ehrlich Institute, pursuant to § 21a paragraph 1 of the German Medicines Act (AMG), parts of the existing good practice procedures for acquisition of cryopreserved human amniotic membranes from donor placentas were reviewed and supplemented by new knowledge. The present good practice procedures were formulated in cooperation with members of the section for tissue transplantation and biotechnology of the German Ophthalmological Society...
December 12, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29234654/reconstruction-of-soft-tissue-lesions-of-the-foot-with-the-use-of-the-medial-plantar-flap
#16
Jefferson Lessa Soares de Macedo, Simone Corrêa Rosa, Altino Vieira de Rezende Filho Neto, Adilson Alves da Silva, Alex Corcino Silva de Amorim
Objective: To study use of the medial plantar flap for reconstruction of the heel and foot. Method: The authors share their clinical experience with the use of the medial plantar artery flap for coverage of tissue defects around the foot and heel after trauma. Twelve cases of medial plantar artery flap performed from January 2001 to December 2013 were included. Results: Of the 12 patients, ten were male and two were female. The indications were traumatic loss of the heel pad in ten cases and the dorsal foot in two cases...
November 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29234524/viral-hepatitis-endemicity-and-trends-among-an-asymptomatic-adult-population-in-ho-a-5-year-retrospective-study-at-the-ho-municipal-hospital-ghana
#17
Sylvester Yao Lokpo, James Osei-Yeboah, Gameli Kwame Norgbe, Patrick Kwasi Owiafe, Felix Ayroe, Francis Abeku Ussher, Mavis Popuelle Dakorah, John Gameli Deku, Nana Yaw Barimah Manaphraim, Emmanuel Akomanin Asiamah, Tibemponi Ntoni, Prince Senyo Kwasi Nyamadi, Edward Yiadom Boakye, Roseline Avorkliyah
Background: Using prospective blood donors as a proxy, this study was aimed at estimating the burden and five-year (2012-2016) trend of viral hepatitis (HBV and HCV) infection among asymptomatic adult population in Ho. Materials and Methods: A retrospective analysis was done on secondary data extracted from the hospital archives comprising 4,180 prospective blood donors from January 2012 to December 2016. Demographic variables included age and sex, as well as place of residence...
2017: Hepatitis Research and Treatment
https://www.readbyqxmd.com/read/29234468/sulfation-and-amidinohydrolysis-in-the-biosynthesis-of-giant-linear-polyenes
#18
Hui Hong, Markiyan Samborskyy, Katsiaryna Usachova, Katharina Schnatz, Peter F Leadlay
Clethramycin from Streptomyces malaysiensis DSM4137, and mediomycins (produced together with clethramycin from Streptomyces mediocidicus), are near-identical giant linear polyenes apparently constructed from, respectively, a 4-guanidinobutanoate or 4-aminobutanoate starter unit and 27 polyketide extender units, and bearing a specific O-sulfonate modification at the C-29 hydroxy group. We show here that mediomycins are actually biosynthesised not by use of a different starter unit but by direct late-stage deamidination of (desulfo)clethramycin...
2017: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29234204/middle-hepatic-vein-bleed-during-donor-hepatectomy-technique-for-safe-practice
#19
Madhusudhanan Jegadeesan, Neerav Goyal, Subash Gupta
Safe performance of donor hepatectomy is crucial for sustainability of a living donor liver transplantation (LDLT) program. Middle hepatic vein (MHV) is always encountered during parenchymal transection irrespective of right or left donor hepatectomies. Here we present a safe and effective technique for tackling MHV bleed during LDLT from a single centre experience.
December 2017: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/29234180/role-of-the-nitrergic-system-of-the-cuneiform-nucleus-in-cardiovascular-responses-in-urethane-anesthetized-male-rats
#20
Esmaeil Farrokhi, Mohammad Naser Shafei, Abolfazl Khajavirad, Mahmoud Hosseini, Ali Reza Ebrahimzadeh Bideskan
Background: The presence of nitric oxide (NO) in the cuneiform nucleus (CnF) has been previously shown. In this study, NG-nitro-L-arginine methyl ester (L-NAME) (an inhibitor of NO synthase), L-arginine (L-Arg) (a precursor of NO), and sodium nitroprusside (SNP) (a donor of NO) were microinjected into the CnF and cardiovascular responses were investigated. Methods: Seventy male rats were divided into 7 groups (n=10 each): 1) saline, 2 and 3) L-NAME (30 and 90 nmol), 4 and 5) L-Arg (20 and 60 nmol), and 6 and 7) SNP (9 and 27 nmol)...
September 2017: Iranian Journal of Medical Sciences
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