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https://www.readbyqxmd.com/read/28637309/anterior-cervical-pseudarthrosis-treated-with-bilateral-posterior-cervical-cages
#1
William Smith, Mark Gillespy, Jason Huffman, Veasna Vong, Bruce M McCormack
BACKGROUND: Pseudarthrosis after anterior cervical discectomy and fusion (ACDF) causes persistent pain and related disability. Posterior revision surgery results in higher healing rates, but is more extensive compared to anterior surgery. OBJECTIVE: To evaluate minimally disruptive, tissue sparing posterior fusion via bilateral placement of posterior cages between the facet joints as an alternative treatment option. METHODS: A retrospective, multicenter, medical chart review was performed and included 25 patients with symptomatic pseudarthrosis after ACDF treated with posterior cervical cages, and in select cases, anterior revision...
June 14, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28620787/do-position-and-size-matter-an-analysis-of-cage-and-placement-variables-for-optimum-lordosis-in-plif-reconstruction
#2
Priyan R Landham, Angus S Don, Peter A Robertson
PURPOSE: To examine monosegmental lordosis after posterior lumbar interbody fusion (PLIF) surgery and relate lordosis to cage size, shape, and placement. METHODS: Eighty-three consecutive patients underwent single-level PLIF with paired identical lordotic cages involving a wide decompression and bilateral facetectomies. Cage parameters relating to size (height, lordosis, and length) and placement (expressed as a ratio relative to the length of the inferior vertebral endplate) were recorded...
June 15, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28606223/murine-astrovirus-infection-and-transmission-in-neonatal-cd1-mice
#3
Susan Compton, Carmen J Booth, James D Macy
Murine astrovirus (MuAstV) is a recently identified, widespread infection among laboratory mice. Our goal was to determine the duration of MuAstV infection, susceptibility of pups, and efficacy of soiled-bedding sentinels and environmental monitoring. Eight CD1 dams and their litters of 3-d-old pups and 8 CD1 dams and their litters of 13-d-old mice were inoculatedorally with MuAstV. Neither dams nor offspring demonstrated any clinical signs, and MuAstV had little to no effect on weight gain in pups. MuAstV RNA was detected in feces from 15 of the 16 dams through postnatal day (PND) 21, and 9 dams were still shedding MuAstV at PND 42...
June 12, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28601602/abstinence-environment-contributes-to-age-differences-in-reinstatement-of-cocaine-seeking-between-adolescent-and-adult-male-rats
#4
Chen Li, Kyle J Frantz
RATIONALE: Extinction responding and cue-induced reinstatement of cocaine seeking after 60-days of forced abstinence are attenuated in male rats that self-administered cocaine during adolescence, compared with adults. Given that environmental enrichment during abstinence decreases reinstatement among adults, a possible explanation for attenuated reinstatement among adolescents is that standard pair-housing in prior studies creates a more stimulating environment for younger rats. OBJECTIVE: Therefore, we tested whether standard pair-housing is necessary for the attenuated reinstatement among adolescents by determining whether an impoverished environment during abstinence would increase reinstatement among adolescents, up to adult levels...
July 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28590526/gas-phase-fragmentation-of-1-adamantylbisimidazolium-salts-and-their-complexes-with-cucurbit-7-uril-studied-using-selectively-2-h-labeled-guest-molecules
#5
Andrea Čablová, Michal Rouchal, Barbora Hanulíková, Jan Vícha, Lenka Dastychová, Zdeňka Prucková, Robert Vícha
RATIONALE: Bisimidazolium salts (BIMs) represent an interesting family of ditopic ligands that are used in the construction of supramolecular systems with hosts based on cyclodextrins or cucurbit[n]urils. Understanding the fragmentation mechanism of individual BIMs and how this mechanism changes after complexation with cucurbit[n]urils can bring new insight into the intrinsic host-guest relationship, thereby allowing utilization of mass spectrometry to describe binding behavior. METHODS: Selectively (2) H-labeled bisimidazolium salts were prepared and fully characterized by spectroscopic methods...
June 7, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28587152/long-term-physiologic-and-behavioural-effects-of-housing-density-and-environmental-resource-provision-for-adult-male-and-female-sprague-dawley-rats
#6
Christopher J Pinelli, Francesco Leri, Patricia V Turner
There is considerable interest in refining laboratory rodent environments to promote animal well-being, as well as research reproducibility. Few studies have evaluated the long term impact of enhancing rodent environments with resources and additional cagemates. To that end, male and female Sprague Dawley (SD) rats were housed singly (n = 8/sex), in pairs (n = 16/sex), or in groups of four (n = 16/sex) for five months. Single and paired rats were housed in standard cages with a nylon chew toy, while group-housed rats were kept in double-wide cages with two PVC shelters and a nylon chew toy and were provided with food enrichment three times weekly...
June 1, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28574078/confining-the-spin-between-two-metal-atoms-within-the-carbon-cage-redox-active-metal-metal-bonds-in-dimetallofullerenes-and-their-stable-cation-radicals
#7
Nataliya A Samoylova, Stanislav M Avdoshenko, Denis S Krylov, Hannah R Thompson, Amelia C Kirkhorn, Marco Rosenkranz, Sandra Schiemenz, Frank Ziegs, Anja U B Wolter, Shangfeng Yang, Steven Stevenson, Alexey A Popov
Lanthanide-lanthanide bonds are exceptionally rare, and dimetallofullerenes provide a unique possibility to stabilize and study these unusual bonding patterns. The presence of metal-metal bonds and consequences thereof for the electronic properties of M2@C82 (M = Sc, Er, Lu) are addressed by electrochemistry, electron paramagnetic resonance, SQUID magnetometry and other spectroscopic techniques. A simplified non-chromatographic separation procedure is developed for the isolation of Er2@C82 (Cs(6) and C3v(8) cage isomers) and Sc2@C82 (C3v(8) isomer) from fullerene mixtures...
June 2, 2017: Nanoscale
https://www.readbyqxmd.com/read/28571523/association-of-heterogenicity-of-helicobacter-pylori-cag-pathogenicity-island-with-peptic-ulcer-diseases-and-gastric-cancer
#8
J Khatoon, K N Prasad, R Prakash Rai, U C Ghoshal, N Krishnani
OBJECTIVE: To investigate the frequency and integrity of certain cag pathogenicity island genes (cagPAI) in Helicobacter pylori strains and their association with peptic ulcer disease (PUD) and gastric cancer. MATERIAL AND METHODS: We enrolled 240 adult patients [120 with functional dyspepsia (FD), 50 with PUD and 70 with gastric cancer] undergoing upper gastrointestinal endoscopy. H. pylori infection was diagnosed when either culture or any two of the three tests (rapid urease test, histopathology and specific ureA PCR) were positive...
June 2, 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/28549157/exposure-to-acute-psychosocial-stress-disrupts-the-luteinizing-hormone-surge-independent-of-estrous-cycle-alterations-in-female-mice
#9
Elizabeth R Wagenmaker, Suzanne M Moenter
The disruptive effects of severe stress on reproductive function are well documented, but surprisingly few studies exist that demonstrate milder psychosocial stressors interfere with the ovarian cycle in females. We hypothesized repeated application of psychosocial stress would disrupt estrous cycles in mice. Mice were transferred to a new cage, transported to a new room and restrained (2h) for 21 consecutive days. Contrary to our hypothesis, this paradigm did not affect estrous cycles. We next tested the hypothesis that a single exposure to mild stress disrupts a specific aspect of the cycle: the proestrous luteinizing hormone (LH) surge...
May 25, 2017: Endocrinology
https://www.readbyqxmd.com/read/28535863/evaluation-of-anthelmintic-resistance-and-exhaust-air-dust-pcr-as-a-diagnostic-tool-in-mice-enzootically-infected-with-aspiculuris-tetraptera
#10
Pratibha Kapoor, Yumiko O Hayes, Leslie T Jarrell, Dwight A Bellinger, Rhiannon D Thomas, Gregory W Lawson, Jaclyn D Arkema, Craig A Fletcher, Judith N Nielsen
The entry of infectious agents in rodent colonies occurs despite robust sentinel monitoring programs, strict quarantine measures, and stringent biosecurity practices. In light of several outbreaks with Aspiculuris tetraptera in our facilities, we investigated the presence of anthelmintic resistance and the use of exhaust air dust (EAD) PCR for early detection of A. tetraptera infection. To determine anthelmintic resistance, C57BL/6, DBA/2, and NCr nude mice were experimentally inoculated with embryonated A...
May 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28532523/immune-responses-intestinal-microbiota-performance-and-blood-characteristics-of-japanese-quail-fed-on-diets-containing-camphor
#11
A Sedaghat, M A Karimi Torshizi
This study aimed to investigate the effect of supplemental camphor on the performance and immune functions of Japanese quail by feeding graded levels (0 (control), 250, 500, 750, 1000, 5000 or 10 000 ppm) of camphor during a 42-day feeding trial. In all, 280 1-day-old quail chicks were randomly assigned into 28 cages of 10 chicks each with separate feeders. The results clearly demonstrated that camphor did not have a significant effect on BW, BW gain, total experimental average daily feed intake, feed conversion ratio, internal organ relative weights and biochemical parameters such as uric acid, albumin, total protein and triglyceride; however, plasma cholesterol concentration was significantly different in a linear manner, in which 500 ppm of camphor resulted in a lower level of cholesterol...
May 23, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28530142/a-targeted-self-management-approach-for-reducing-stroke-risk-factors-in-african-american-men-who-have-had-a-stroke-or-transient-ischemic-attack
#12
Martha Sajatovic, Curtis Tatsuoka, Elisabeth Welter, Kari Colon-Zimmermann, Carol Blixen, Adam T Perzynski, Shelly Amato, Jamie Cage, Johnny Sams, Shirley M Moore, Svetlana Pundik, Sophia Sundararajan, Charles Modlin, Cathy Sila
PURPOSE: This study compared a novel self-management (TargetEd MAnageMent Intervention [TEAM]) versus treatment as usual (TAU) to reduce stroke risk in African American (AA) men. DESIGN: Six-month prospective randomized controlled trial with outcomes evaluated at baseline, 3 months, and 6 months. SETTING: Academic health center. PARTICIPANTS: Thirty-eight (age < 65) AA men who had a stroke or transient ischemic attack and a Barthel index score of >60 were randomly assigned to TEAM (n = 19) or TAU (n = 19)...
January 1, 2017: American Journal of Health Promotion: AJHP
https://www.readbyqxmd.com/read/28525492/degenerative-cervical-disc-disease-long-term-changes-in-sagittal-alignment-and-their-clinical-implications-after-cervical-interbody-fusion-cage-subsidence-a-prospective-study-with-standalone-lordotic-tantalum-cages
#13
Félix Tomé-Bermejo, Julián A Morales-Valencia, Javier Moreno-Pérez, Juan Marfil-Pérez, Elena Díaz-Dominguez, Angel R Piñera, Luis Alvarez
STUDY DESIGN: A retrospective, observational study of prospectively collected outcomes. OBJECTIVE: To investigate the long-term clinical course of anterior cervical discectomy and fusion with interbody fusion cages (ACDF-IFC) with lordotic tantalum implants and to correlate the radiologic findings with the clinical outcomes, with special emphasis on the significance and the influence of implant subsidence. SUMMARY OF BACKGROUND DATA: Cage subsidence is the most frequently reported complication after ACDF-IFC...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28508699/antimicrobial-anticancer-and-antioxidant-compounds-from-premna-resinosa-growing-in-saudi-arabia
#14
Dina A Albadawi, Ramzi A Mothana, Jamal M Khaled, Abdelkhader E Ashour, Ashok Kumar, Sheikh F Ahmad, Mansour S Al-Said, Adnan J Al-Rehaily, Nawal M Almusayeib
CONTEXT: Premna resinosa (Hochst.) Schauer (Lamiaceae) is used in many places to treat bronchitis, respiratory illness and convulsions of the rib cage. OBJECTIVE: This study evaluates the anticancer, antimicrobial and antioxidant activities of P. resinosa, and isolates some responsible constituents. MATERIALS AND METHODS: The methanol extract of P. resinosa aerial parts and its fractions (n-hexane, dichloromethane, ethyl acetate and n-butanol) were tested...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28503368/running-wheel-training-does-not-change-neurogenesis-levels-or-alter-working-memory-tasks-in-adult-rats
#15
Cesar A Acevedo-Triana, Manuel J Rojas, Fernando Cardenas P
BACKGROUND: Exercise can change cellular structure and connectivity (neurogenesis or synaptogenesis), causing alterations in both behavior and working memory. The aim of this study was to evaluate the effect of exercise on working memory and hippocampal neurogenesis in adult male Wistar rats using a T-maze test. METHODS: An experimental design with two groups was developed: the experimental group (n = 12) was subject to a forced exercise program for five days, whereas the control group (n = 9) stayed in the home cage...
2017: PeerJ
https://www.readbyqxmd.com/read/28499016/minimally-invasive-transforaminal-lumbar-interbody-fusion-using-banana-shaped-and-straight-cages-radiological-and-clinical-results-from-a-prospective-randomized-clinical-trial
#16
Won-Suh Choi, Jin-Sung Kim, Jung-Woo Hur, Ji-Hoon Seong
BACKGROUND: In minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF), cage type and position play important roles in fusion achievement and sagittal alignment correction. However, no prospective randomized comparison of the results using different types of cage has been reported to date. OBJECTIVE: To compare the radiological and clinical outcomes of unilateral MIS-TLIF using 2 types of cage. METHODS: All candidates for single-level MIS-TLIF were randomized into banana-shaped cage and straight-cage groups...
May 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28495376/gabaa-receptor-positive-allosteric-modulators-modify-the-abuse-related-behavioral-and-neurochemical-effects-of-methamphetamine-in-rhesus-monkeys
#17
Laís F Berro, Monica L Andersen, Sergio Tufik, Leonard L Howell
GABAA receptor positive allosteric modulators (GABAA receptor modulators) are commonly used for the treatment of insomnia. Nevertheless, the effects of these compounds on psychostimulant-induced sleep impairment are poorly understood. Because GABAA receptor modulators have been shown to decrease the abuse-related effects of psychostimulants, the aim of the present study was to evaluate the effects of temazepam (0.3, 1.0 or 3.0 mg/kg) and eszopiclone (0.3, 1.0 or 3.0 mg/kg), two GABAA receptor modulators, on the behavioral neuropharmacology of methamphetamine in adult rhesus macaques (n = 5)...
May 8, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28492957/screening-of-alcohol-use-disorders-in-psychiatric-outpatients-influence-of-gender-age-and-psychiatric-diagnosis
#18
Mónica Sánchez Autet, Marina Garriga, Francisco Javier Zamora, Idilio González, Judith Usall, Leticia Tolosa, Concepción Benítez, Raquel Puertas, Belén Arranz
Alcohol use disorders (AUD) are 2 times higher among psychiatric patients than in the general population. The under-recognition of this dual diagnosis can entail several negative outcomes. Early assessment with a screening tool like the CAGE questionnaire could be an opportunity to improve patients' prognoses. The objective of this study is to assess AUD risk in an outpatient psychiatric sample with a modified CAGE, considering the influence of age, gender and clinical psychiatric diagnosis. An observational, multicentric, descriptive study was carried out...
April 12, 2017: Adicciones
https://www.readbyqxmd.com/read/28488781/deciphering-the-effects-of-disperser-assemblages-and-seed-mass-on-patterns-of-seed-dispersal-in-a-rodent-community
#19
Aleksandra Wróbel, Rafał Zwolak
The sizes of both seed dispersers and seeds are traits that are likely to interact to influence seed fate in many synzoochoric plant species. Here, we examined whether members of a granivorous rodent community consisting of species of different body size vary in their effectiveness as seed dispersers, and how this relationship may be altered by seed size. We marked Northern red oak (Quercus rubra Linnaeus, 1753) acorns with plastic tags and placed them in size-selective rodent exclosures. The exclosures allowed differential access of rodent groups based on different body size: (1) small (e...
May 10, 2017: Integrative Zoology
https://www.readbyqxmd.com/read/28481531/chemically-induced-breathing-of-flexible-porphyrinic-covalent-cages
#20
Laetitia Schoepff, Lucas Kocher, Stéphanie Durot, Valérie Heitz
The synthesis of two flexible bis-porphyrin cages 3 and 4, incorporating respectively Zn(II) porphyrins and free-base porphyrins, is reported. In both cages, the four covalent linkers that bind the two porphyrins are functionalized with two 1,2,3-triazolyl ligands. These cages were characterized by NMR and HRMS, and for cage 3 incorporating 1,4-diazabicyclo[2.2.2]octane (DABCO), an X-ray crystallographic structure was obtained. Chemically induced conformational changes are studied and compared to those of two related cages with longer flexible linkers...
May 23, 2017: Journal of Organic Chemistry
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