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https://www.readbyqxmd.com/read/28107587/p450-bm3-catalyzed-regio-and-stereoselective-hydroxylation-aiming-at-the-synthesis-of-phthalides-and-isocoumarins
#1
Claudia Holec, Ute Hartrampf, Katharina Neufeld, Joerg Pietruszka
Cytochrome P450 BM3 monooxygenases are able to catalyze the regio- and stereoselective oxygenation of a broad range of substrates with promising potential for synthetic applications. To study the ability of P450 BM3 variants for the stereoselective benzylic hydroxylation of 2-alkylated benzoic acid esters, the biotransformation of methyl 2-ethylbenzoate was investigated resulting in both enantiomeric forms of 3-methylphthalide. In case of methyl 2-propylbenzoate as a substrate the regioselectivity of the reaction was shifted towards -hydroxylation resulting in the synthesis of enantioenriched (R)- and (S)-configured 3-methylisochroman-1-one...
January 20, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28100687/a-stripak-complex-mediates-axonal-transport-of-autophagosomes-and-dense-core-vesicles-through-pp2a-regulation
#2
Amanda L Neisch, Thomas P Neufeld, Thomas S Hays
Autophagy plays an essential role in the cellular homeostasis of neurons, facilitating the clearance of cellular debris. This clearance process is orchestrated through the assembly, transport, and fusion of autophagosomes with lysosomes for degradation. The motor protein dynein drives autophagosome motility from distal sites of assembly to sites of lysosomal fusion. In this study, we identify the scaffold protein CKA (connector of kinase to AP-1) as essential for autophagosome transport in neurons. Together with other core components of the striatin-interacting phosphatase and kinase (STRIPAK) complex, we show that CKA associates with dynein and directly binds Atg8a, an autophagosomal protein...
January 18, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28089601/corrigendum-to-behavioural-and-neurochemical-consequences-of-chronic-gut-microbiota-depletion-during-adulthood-in-the-rat-neuroscience-339-2016-463-477
#3
A E Hoban, R D Moloney, A V Golubeva, K A McVey Neufeld, O O'Sullivan, E Patterson, C Stanton, T G Dinan, G Clarke, J F Cryan
No abstract text is available yet for this article.
January 12, 2017: Neuroscience
https://www.readbyqxmd.com/read/28087201/reduction-in-adolescent-depression-after-contact-with-mental-health-services-a-longitudinal-cohort-study-in-the-uk
#4
Sharon A S Neufeld, Valerie J Dunn, Peter B Jones, Tim J Croudace, Ian M Goodyer
BACKGROUND: Evidence regarding the association between service contact and subsequent mental health in adolescents is scarce, and previous findings are mixed. We aimed to longitudinally assess the extent to which depressive symptoms in adolescents change after contact with mental health services. METHODS: As part of a longitudinal cohort study, between April 28, 2005, and March 17, 2010, we recruited 1238 14-year-old adolescents and their primary caregivers from 18 secondary schools in Cambridgeshire, UK...
January 10, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28077098/validity-of-gestational-age-estimates-by-last-menstrual-period-and-neonatal-examination-compared-to-ultrasound-in-vietnam
#5
Nicholas P Deputy, Phuong H Nguyen, Hoa Pham, Son Nguyen, Lynnette Neufeld, Reynaldo Martorell, Usha Ramakrishnan
BACKGROUND: Accurate estimation of gestational age is important for both clinical and public health purposes. Estimates of gestational age using fetal ultrasound measurements are considered most accurate but are frequently unavailable in low- and middle-income countries. The objective of this study was to assess the validity of last menstrual period and Farr neonatal examination estimates of gestational age, compared to ultrasound estimates, in a large cohort of women in Vietnam. METHODS: Data for this analysis come from a randomized, placebo-controlled micronutrient supplementation trial in Vietnam...
January 11, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28072642/acute-neuropsychiatric-symptoms-associated-with-antibiotic-treatment-of-helicobacter-pylori-infections-a-review
#6
Nicholas H Neufeld, Nourhan S Mohamed, Nikola Grujich, Kenneth Shulman
Helicobacter pylori infects half the global population. Because serious complications can result from this infection, a so-called "triple therapy" is recommended: treatment with a proton-pump inhibitor and clarithromycin, along with amoxicillin or metronidazole. Although these antibiotics have been associated with neuropsychiatric symptoms, it is difficult to disentangle the effects of antibiotics from the effects of acute infections that may precipitate acute neuropsychiatric symptoms. Study of patients with chronic H...
January 2017: Journal of Psychiatric Practice
https://www.readbyqxmd.com/read/28068834/design-considerations-of-a-randomized-controlled-trial-of-sedation-level-during-hip-fracture-repair-surgery-a-strategy-to-reduce-the-incidence-of-postoperative-delirium-in-elderly-patients
#7
Tianjing Li, L Susan Wieland, Esther Oh, Karin J Neufeld, Nae-Yuh Wang, Kay Dickersin, Frederick E Sieber
Background Delirium is an acute change in mental status characterized by sudden onset, fluctuating course, inattention, disorganized thinking, and abnormal level of consciousness. The objective of the randomized controlled trial "A STrategy to Reduce the Incidence of Postoperative Delirium in Elderly Patients" (STRIDE) is to assess the effectiveness of light versus heavy sedation on delirium and other outcomes in elderly patients undergoing hip fracture repair surgery. Our goal is to describe the design considerations and lessons learned in planning and implementing the STRIDE trial...
January 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/28068065/sustained-nitric-oxide-release-from-a-tertiary-s-nitrosothiol-based-polyphosphazene-coating
#8
Alec Lutzke, Jesus B Tapia, Megan J Neufeld, Melissa M Reynolds
Nitric oxide (NO) occurs naturally in mammalian biochemistry as a critical signaling molecule and exhibits antithrombotic, antibacterial, and wound-healing properties. NO-forming biodegradable polymers have been utilized in the development of antithrombotic or antibacterial materials for biointerfacial applications, including tissue engineering and the fabrication of erodible coatings for medical devices such as stents. Use of such NO-forming polymers has frequently been constrained by short-term release or limited NO storage capacity and has led to the pursuit of new materials with improved NO release function...
January 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28065983/herschel-hifi-observations-of-the-circumstellar-ammonia-lines-in-irc-10216
#9
M R Schmidt, J H He, R Szczerba, V Bujarrabal, J Alcolea, J Cernicharo, L Decin, K Justtanont, D Teyssier, K M Menten, D A Neufeld, H Olofsson, P Planesas, A P Marston, A M Sobolev, A de Koter, F L Schöier
CONTEXT: A discrepancy exists between the abundance of ammonia (NH3) derived previously for the circumstellar envelope (CSE) of IRC+10216 from far-IR submillimeter rotational lines and that inferred from radio inversion or mid-infrared (MIR) absorption transitions. AIMS: To address the discrepancy described above, new high-resolution far-infrared (FIR) observations of both ortho- and para-NH3 transitions toward IRC+10216 were obtained with Herschel, with the goal of determining the ammonia abundance and constraining the distribution of NH3 in the envelope of IRC+10216...
August 2016: Astronomy and Astrophysics
https://www.readbyqxmd.com/read/28059544/measurement-of-cp-violation-in-b-0-%C3%A2-d-d-decays
#10
R Aaij, B Adeva, M Adinolfi, Z Ajaltouni, S Akar, J Albrecht, F Alessio, M Alexander, S Ali, G Alkhazov, P Alvarez Cartelle, A A Alves, S Amato, S Amerio, Y Amhis, L An, L Anderlini, G Andreassi, M Andreotti, J E Andrews, R B Appleby, F Archilli, P d'Argent, J Arnau Romeu, A Artamonov, M Artuso, E Aslanides, G Auriemma, M Baalouch, I Babuschkin, S Bachmann, J J Back, A Badalov, C Baesso, S Baker, W Baldini, R J Barlow, C Barschel, S Barsuk, W Barter, M Baszczyk, V Batozskaya, B Batsukh, V Battista, A Bay, L Beaucourt, J Beddow, F Bedeschi, I Bediaga, L J Bel, V Bellee, N Belloli, K Belous, I Belyaev, E Ben-Haim, G Bencivenni, S Benson, J Benton, A Berezhnoy, R Bernet, A Bertolin, F Betti, M-O Bettler, M van Beuzekom, Ia Bezshyiko, S Bifani, P Billoir, T Bird, A Birnkraut, A Bitadze, A Bizzeti, T Blake, F Blanc, J Blouw, S Blusk, V Bocci, T Boettcher, A Bondar, N Bondar, W Bonivento, A Borgheresi, S Borghi, M Borisyak, M Borsato, F Bossu, M Boubdir, T J V Bowcock, E Bowen, C Bozzi, S Braun, M Britsch, T Britton, J Brodzicka, E Buchanan, C Burr, A Bursche, J Buytaert, S Cadeddu, R Calabrese, M Calvi, M Calvo Gomez, A Camboni, P Campana, D Campora Perez, D H Campora Perez, L Capriotti, A Carbone, G Carboni, R Cardinale, A Cardini, P Carniti, L Carson, K Carvalho Akiba, G Casse, L Cassina, L Castillo Garcia, M Cattaneo, Ch Cauet, G Cavallero, R Cenci, M Charles, Ph Charpentier, G Chatzikonstantinidis, M Chefdeville, S Chen, S-F Cheung, V Chobanova, M Chrzaszcz, X Cid Vidal, G Ciezarek, P E L Clarke, M Clemencic, H V Cliff, J Closier, V Coco, J Cogan, E Cogneras, V Cogoni, L Cojocariu, G Collazuol, P Collins, A Comerma-Montells, A Contu, A Cook, G Coombs, S Coquereau, G Corti, M Corvo, C M Costa Sobral, B Couturier, G A Cowan, D C Craik, A Crocombe, M Cruz Torres, S Cunliffe, R Currie, C D'Ambrosio, F Da Cunha Marinho, E Dall'Occo, J Dalseno, P N Y David, A Davis, O De Aguiar Francisco, K De Bruyn, S De Capua, M De Cian, J M De Miranda, L De Paula, M De Serio, P De Simone, C-T Dean, D Decamp, M Deckenhoff, L Del Buono, M Demmer, D Derkach, O Deschamps, F Dettori, B Dey, A Di Canto, H Dijkstra, F Dordei, M Dorigo, A Dosil Suárez, A Dovbnya, K Dreimanis, L Dufour, G Dujany, K Dungs, P Durante, R Dzhelyadin, A Dziurda, A Dzyuba, N Déléage, S Easo, M Ebert, U Egede, V Egorychev, S Eidelman, S Eisenhardt, U Eitschberger, R Ekelhof, L Eklund, Ch Elsasser, S Ely, S Esen, H M Evans, T Evans, A Falabella, N Farley, S Farry, R Fay, D Fazzini, D Ferguson, V Fernandez Albor, A Fernandez Prieto, F Ferrari, F Ferreira Rodrigues, M Ferro-Luzzi, S Filippov, R A Fini, M Fiore, M Fiorini, M Firlej, C Fitzpatrick, T Fiutowski, F Fleuret, K Fohl, M Fontana, F Fontanelli, D C Forshaw, R Forty, V Franco Lima, M Frank, C Frei, J Fu, E Furfaro, C Färber, A Gallas Torreira, D Galli, S Gallorini, S Gambetta, M Gandelman, P Gandini, Y Gao, L M Garcia Martin, J García Pardiñas, J Garra Tico, L Garrido, P J Garsed, D Gascon, C Gaspar, L Gavardi, G Gazzoni, D Gerick, E Gersabeck, M Gersabeck, T Gershon, Ph Ghez, S Gianì, V Gibson, O G Girard, L Giubega, K Gizdov, V V Gligorov, D Golubkov, A Golutvin, A Gomes, I V Gorelov, C Gotti, M Grabalosa Gándara, R Graciani Diaz, L A Granado Cardoso, E Graugés, E Graverini, G Graziani, A Grecu, P Griffith, L Grillo, B R Gruberg Cazon, O Grünberg, E Gushchin, Yu Guz, T Gys, C Göbel, T Hadavizadeh, C Hadjivasiliou, G Haefeli, C Haen, S C Haines, S Hall, B Hamilton, X Han, S Hansmann-Menzemer, N Harnew, S T Harnew, J Harrison, M Hatch, J He, T Head, A Heister, K Hennessy, P Henrard, L Henry, J A Hernando Morata, E van Herwijnen, M Heß, A Hicheur, D Hill, C Hombach, H Hopchev, W Hulsbergen, T Humair, M Hushchyn, N Hussain, D Hutchcroft, M Idzik, P Ilten, R Jacobsson, A Jaeger, J Jalocha, E Jans, A Jawahery, F Jiang, M John, D Johnson, C R Jones, C Joram, B Jost, N Jurik, S Kandybei, W Kanso, M Karacson, J M Kariuki, S Karodia, M Kecke, M Kelsey, I R Kenyon, M Kenzie, T Ketel, E Khairullin, B Khanji, C Khurewathanakul, T Kirn, S Klaver, K Klimaszewski, S Koliiev, M Kolpin, I Komarov, R F Koopman, P Koppenburg, A Kosmyntseva, A Kozachuk, M Kozeiha, L Kravchuk, K Kreplin, M Kreps, P Krokovny, F Kruse, W Krzemien, W Kucewicz, M Kucharczyk, V Kudryavtsev, A K Kuonen, K Kurek, T Kvaratskheliya, D Lacarrere, G Lafferty, A Lai, D Lambert, G Lanfranchi, C Langenbruch, T Latham, C Lazzeroni, R Le Gac, J van Leerdam, J-P Lees, A Leflat, J Lefrançois, R Lefèvre, F Lemaitre, E Lemos Cid, O Leroy, T Lesiak, B Leverington, Y Li, T Likhomanenko, R Lindner, C Linn, F Lionetto, B Liu, X Liu, D Loh, I Longstaff, J H Lopes, D Lucchesi, M Lucio Martinez, H Luo, A Lupato, E Luppi, O Lupton, A Lusiani, X Lyu, F Machefert, F Maciuc, O Maev, K Maguire, S Malde, A Malinin, T Maltsev, G Manca, G Mancinelli, P Manning, J Maratas, J F Marchand, U Marconi, C Marin Benito, P Marino, J Marks, G Martellotti, M Martin, M Martinelli, D Martinez Santos, F Martinez Vidal, D Martins Tostes, L M Massacrier, A Massafferri, R Matev, A Mathad, Z Mathe, C Matteuzzi, A Mauri, B Maurin, A Mazurov, M McCann, J McCarthy, A McNab, R McNulty, B Meadows, F Meier, M Meissner, D Melnychuk, M Merk, A Merli, E Michielin, D A Milanes, M-N Minard, D S Mitzel, A Mogini, J Molina Rodriguez, I A Monroy, S Monteil, M Morandin, P Morawski, A Mordà, M J Morello, J Moron, A B Morris, R Mountain, F Muheim, M Mulder, M Mussini, D Müller, J Müller, K Müller, V Müller, P Naik, T Nakada, R Nandakumar, A Nandi, I Nasteva, M Needham, N Neri, S Neubert, N Neufeld, M Neuner, A D Nguyen, T D Nguyen, C Nguyen-Mau, S Nieswand, R Niet, N Nikitin, T Nikodem, A Novoselov, D P O'Hanlon, A Oblakowska-Mucha, V Obraztsov, S Ogilvy, R Oldeman, C J G Onderwater, J M Otalora Goicochea, A Otto, P Owen, A Oyanguren, P R Pais, A Palano, F Palombo, M Palutan, J Panman, A Papanestis, M Pappagallo, L L Pappalardo, W Parker, C Parkes, G Passaleva, A Pastore, G D Patel, M Patel, C Patrignani, A Pearce, A Pellegrino, G Penso, M Pepe Altarelli, S Perazzini, P Perret, L Pescatore, K Petridis, A Petrolini, A Petrov, M Petruzzo, E Picatoste Olloqui, B Pietrzyk, M Pikies, D Pinci, A Pistone, A Piucci, S Playfer, M Plo Casasus, T Poikela, F Polci, A Poluektov, I Polyakov, E Polycarpo, G J Pomery, A Popov, D Popov, B Popovici, S Poslavskii, C Potterat, E Price, J D Price, J Prisciandaro, A Pritchard, C Prouve, V Pugatch, A Puig Navarro, G Punzi, W Qian, R Quagliani, B Rachwal, J H Rademacker, M Rama, M Ramos Pernas, M S Rangel, I Raniuk, G Raven, F Redi, S Reichert, A C Dos Reis, C Remon Alepuz, V Renaudin, S Ricciardi, S Richards, M Rihl, K Rinnert, V Rives Molina, P Robbe, A B Rodrigues, E Rodrigues, J A Rodriguez Lopez, P Rodriguez Perez, A Rogozhnikov, S Roiser, A Rollings, V Romanovskiy, A Romero Vidal, J W Ronayne, M Rotondo, M S Rudolph, T Ruf, P Ruiz Valls, J J Saborido Silva, E Sadykhov, N Sagidova, B Saitta, V Salustino Guimaraes, C Sanchez Mayordomo, B Sanmartin Sedes, R Santacesaria, C Santamarina Rios, M Santimaria, E Santovetti, A Sarti, C Satriano, A Satta, D M Saunders, D Savrina, S Schael, M Schellenberg, M Schiller, H Schindler, M Schlupp, M Schmelling, T Schmelzer, B Schmidt, O Schneider, A Schopper, K Schubert, M Schubiger, M-H Schune, R Schwemmer, B Sciascia, A Sciubba, A Semennikov, A Sergi, N Serra, J Serrano, L Sestini, P Seyfert, M Shapkin, I Shapoval, Y Shcheglov, T Shears, L Shekhtman, V Shevchenko, A Shires, B G Siddi, R Silva Coutinho, L Silva de Oliveira, G Simi, S Simone, M Sirendi, N Skidmore, T Skwarnicki, E Smith, I T Smith, J Smith, M Smith, H Snoek, M D Sokoloff, F J P Soler, B Souza De Paula, B Spaan, P Spradlin, S Sridharan, F Stagni, M Stahl, S Stahl, P Stefko, S Stefkova, O Steinkamp, S Stemmle, O Stenyakin, S Stevenson, S Stoica, S Stone, B Storaci, S Stracka, M Straticiuc, U Straumann, L Sun, W Sutcliffe, K Swientek, V Syropoulos, M Szczekowski, T Szumlak, S T'Jampens, A Tayduganov, T Tekampe, M Teklishyn, G Tellarini, F Teubert, E Thomas, J van Tilburg, M J Tilley, V Tisserand, M Tobin, S Tolk, L Tomassetti, D Tonelli, S Topp-Joergensen, F Toriello, E Tournefier, S Tourneur, K Trabelsi, M Traill, M T Tran, M Tresch, A Trisovic, A Tsaregorodtsev, P Tsopelas, A Tully, N Tuning, A Ukleja, A Ustyuzhanin, U Uwer, C Vacca, V Vagnoni, A Valassi, S Valat, G Valenti, A Vallier, R Vazquez Gomez, P Vazquez Regueiro, S Vecchi, M van Veghel, J J Velthuis, M Veltri, G Veneziano, A Venkateswaran, M Vernet, M Vesterinen, B Viaud, D Vieira, M Vieites Diaz, X Vilasis-Cardona, V Volkov, A Vollhardt, B Voneki, A Vorobyev, V Vorobyev, C Voß, J A de Vries, C Vázquez Sierra, R Waldi, C Wallace, R Wallace, J Walsh, J Wang, D R Ward, H M Wark, N K Watson, D Websdale, A Weiden, M Whitehead, J Wicht, G Wilkinson, M Wilkinson, M Williams, M P Williams, M Williams, T Williams, F F Wilson, J Wimberley, J Wishahi, W Wislicki, M Witek, G Wormser, S A Wotton, K Wraight, S Wright, K Wyllie, Y Xie, Z Xing, Z Xu, Z Yang, H Yin, J Yu, X Yuan, O Yushchenko, K A Zarebski, M Zavertyaev, L Zhang, Y Zhang, Y Zhang, A Zhelezov, Y Zheng, A Zhokhov, X Zhu, V Zhukov, S Zucchelli
The CP violation observables S and C in the decay channel B^{0}→D^{+}D^{-} are determined from a sample of proton-proton collisions at center-of-mass energies of 7 and 8 TeV, collected by the LHCb experiment and corresponding to an integrated luminosity of 3  fb^{-1}. The observable S describes CP violation in the interference between mixing and the decay amplitude, and C parametrizes direct CP violation in the decay. The following values are obtained from a flavor-tagged, decay-time-dependent analysis: S=-0...
December 23, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/28057765/insulin-signaling-regulates-a-functional-interaction-between-adenomatous-polyposis-coli-apc-and-cytoplasmic-dynein
#11
Feng J Gao, Liang Shi, Timothy Hines, Sachin Hebbar, Kristi L Neufeld, Deanna S Smith
Diabetes is linked to an increased risk for colorectal cancer, but the mechanistic underpinnings of this clinically important effect are unclear. Here we describe an interaction between the microtubule motor cytoplasmic dynein, the adenomatous polyposis coli tumor suppressor protein (APC), and glycogen synthase kinase-3β (GSK-3β) that could shed light on this issue. GSK-3β is perhaps best known for glycogen regulation, being inhibited downstream in an insulin-signaling pathway. However, the kinase is also important in many other processes...
January 5, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28029240/%C3%AE-lactone-synthetase-found-in-the-olefin-biosynthesis-pathway
#12
James K Christenson, Jack E Richman, Matthew R Jensen, Jennifer Y Neufeld, Carrie M Wilmot, Lawrence P Wackett
The first β-lactone synthetase enzyme is reported, creating an unexpected link between the biosynthesis of olefinic hydrocarbons and highly functionalized natural products. The enzyme OleC, involved in the microbial biosynthesis of long-chain olefinic hydrocarbons, reacts with syn- and anti-β-hydroxy acid substrates to yield cis- and trans-β-lactones, respectively. Protein sequence comparisons reveal that enzymes homologous to OleC are encoded in natural product gene clusters that generate β-lactone rings, suggesting a common mechanism of biosynthesis...
January 3, 2017: Biochemistry
https://www.readbyqxmd.com/read/28028549/ssunique-detecting-sequence-novelty-in-microbiome-surveys
#13
Michael D J Lynch, Josh D Neufeld
High-throughput sequencing of small-subunit (SSU) rRNA genes has revolutionized understanding of microbial communities and facilitated investigations into ecological dynamics at unprecedented scales. Such extensive SSU rRNA gene sequence libraries, constructed from DNA extracts of environmental or host-associated samples, often contain a substantial proportion of unclassified sequences, many representing organisms with novel taxonomy (taxonomic "blind spots") and potentially unique ecology. Indeed, these novel taxonomic lineages are associated with so-called microbial "dark matter," which is the genomic potential of these lineages...
November 2016: MSystems
https://www.readbyqxmd.com/read/27979990/dementia-and-alzheimer-s-disease-among-older-kidney-transplant-recipients
#14
Mara A McAdams-DeMarco, Sunjae Bae, Nadia Chu, Alden L Gross, Charles H Brown, Esther Oh, Paul Rosenberg, Karin J Neufeld, Ravi Varadhan, Marilyn Albert, Jeremy Walston, Dorry L Segev
Older patients with ESRD who receive a kidney transplant (KT) may develop post-KT dementia and Alzheimer's disease (AD) associated with their long-standing kidney disease and/or neurotoxic immunosuppressant agents. To investigate this possibility, we studied 40,918 older (aged ≥55 years) KT recipients (January 1, 1999 to December 31, 2011) linked to Medicare claims through the US Renal Data System. We estimated dementia and AD risk (cumulative incidence) and studied factors associated with these sequelae using competing risks models...
December 15, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27979360/risk-of-post-procedural-bleeding-in-children-on-intravenous-fish-oil
#15
Prathima Nandivada, Lorenzo Anez-Bustillos, Alison A O'Loughlin, Paul D Mitchell, Meredith A Baker, Duy T Dao, Gillian L Fell, Alexis K Potemkin, Kathleen M Gura, Ellis J Neufeld, Mark Puder
BACKGROUND: Intestinal failure-associated liver disease (IFALD) can be treated with parenteral fish oil (FO) monotherapy, but practitioners have raised concerns about a potential bleeding risk. This study aims to describe the incidence of clinically significant post-procedural bleeding (CSPPB) in children receiving FO monotherapy. METHODS: A retrospective chart review was performed on patients at our institution treated with intravenous FO for IFALD. CSPPB was defined as bleeding leading to re-operation, transfer to the intensive care unit, re-admission, or death, up to one month after any invasive procedure...
December 1, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27943515/agricultural-soil-denitrifiers-possess-extensive-nitrite-reductase-gene-diversity
#16
Sara Coyotzi, Andrew C Doxey, Ian D Clark, David R Lapen, Philippe Van Cappellen, Josh D Neufeld
Denitrification transforms nitrogen applied as fertilizer and emits N2 O, which is a potent greenhouse gas. Very little is known about the identities of abundant and active denitrifiers in agricultural soils. We coupled DNA stable-isotope probing (DNA-SIP) with flow-through reactors (FTRs) to detect active agricultural soil denitrifiers. The FTRs were incubated with nitrate and (13) C6 -glucose under anoxic conditions and sampled at multiple time points. Labelled DNA from active microorganisms was analyzed by 16S rRNA gene fingerprinting, amplicon and shotgun metagenomic sequencing...
December 10, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27940645/biogeography-of-soil-thaumarchaeota-in-relation-to-soil-depth-and-land-usage
#17
Xinda Lu, Brent J Seuradge, Josh D Neufeld
Although Thaumarchaeota are important contributors to ammonia oxidation in terrestrial habitats, distributions of ammonia oxidizers along soil depth profiles are poorly understood, especially in relation to distinct land usages. Leveraging the close proximity of forest, field and agricultural plots at the RARE: Charitable Research Reserve, we examined soil thaumarchaeotal biogeography at three different depths (0-15, 15-30 and 30-45 cm) from plots within areas of contrasting land usage. Data from high-throughput sequencing of thaumarchaeotal 16S rRNA gene sequences demonstrated that OTU richness was affected significantly by depth and land-use type...
February 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/27935086/exercise-responses-in-patients-with-chronically-high-creatine-kinase-levels
#18
Christopher B Cooper, Brett A Dolezal, Eric V Neufeld, Perry Shieh, John R Jenner, Marshall Riley
INTRODUCTION: Elevated serum creatine kinase (CK) is often taken to reflect muscle disease, but many individuals have elevated CK without a specific diagnosis. How elevated CK reflects muscle metabolism during exercise is not known. METHODS: Participants (46 men, 48 women) underwent incremental exercise testing to assess aerobic performance, cardiovascular response, and ventilatory response. Serum lactate, ammonia, and CK were measured at rest, 4 minutes into exercise, and 2 minutes into recovery...
December 9, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27915285/depth-dependent-influence-of-different-land-use-systems-on-bacterial-biogeography
#19
Brent J Seuradge, Maren Oelbermann, Josh D Neufeld
Despite progress in understanding microbial biogeography of surface soils, few studies have investigated depth-dependent distributions of terrestrial microorganisms in subsoils. We leveraged high-throughput sequencing of 16S rRNA genes obtained from soils collected from the RARE: Charitable Research Reserve (Cambridge, Ontario, Canada) to assess the influence of depth on bacterial communities across various land-use types. Although bacterial communities were strongly influenced by depth across all sites, the magnitude of this influence was variable and demonstrated that land-use attributes also played a significant role in shaping soil bacterial communities...
December 2, 2016: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/27912840/the-semaphorins-and-their-receptors-as-modulators-of-tumor-progression
#20
Gera Neufeld, Yelena Mumblat, Tanya Smolkin, Shira Toledano, Inbal Nir-Zvi, Keren Ziv, Ofra Kessler
The semaphorins were initially characterized as repulsive axon guidance factors. However, they are currently also recognized as important regulators of diverse biological processes which include regulation of immune responses, angiogenesis, organogenesis, and a variety of additional physiological and developmental functions. The semaphorin family consists of more than 20 genes divided into seven subfamilies, all of which contain the sema domain signature. They usually transduce signals by activation of receptors belonging to the plexin family, either directly, or indirectly following the binding of some semaphorins to receptors of the neuropilin family which subsequently associate with plexins...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
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