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https://www.readbyqxmd.com/read/28219525/acclimation-strategy-of-rhodopseudomonas-palustris-to-high-light-irradiance
#1
Dayana Muzziotti, Alessandra Adessi, Cecilia Faraloni, Giuseppe Torzillo, Roberto De Philippis
The ability of Rhodopseudomonas palustris cells to rapidly acclimate to high light irradiance is an essential issue when cells are grown under sunlight. The aim of this study was to investigate the photo-acclimation process in Rhodopseudomonas palustris 42OL under different culturing conditions: (i) anaerobic (AnG), (ii) aerobic (AG), and (iii) under H2-producing (HP) conditions both at low (LL) and high light (HL) irradiances. The results obtained clearly showed that the photosynthetic unit was significantly affected by the light irradiance at which Rp...
April 2017: Microbiological Research
https://www.readbyqxmd.com/read/28219364/the-relationship-between-changes-of-cervical-sagittal-alignment-after-anterior-cervical-discectomy-and-fusion-and-spino-pelvic-sagittal-alignment-under-roussouly-classification-a-four-year-follow-up-study
#2
Dong-Ning Huang, Miao Yu, Nan-Fang Xu, Mai Li, Shao-Bo Wang, Yu Sun, Liang Jiang, Feng Wei, Xiao-Guang Liu, Zhong-Jun Liu
BACKGROUND: Anterior cervical discectomy and fusion (ACDF) is widely used in the treatment of cervical degenerative disease; however, the variation of cervical sagittal alignment changes after ACDF has been rarely explored. The purpose of this study is to determine the relationship between changes of cervical sagittal alignment after ACDF and spino-pelvic sagittal alignment under Roussouly classification. METHODS: A cohort of 133 Chinese cervical spondylotic patients who received ACDF from 2011 to 2012 was recruited...
February 20, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28218819/healthcare-resource-utilization-and-related-financial-costs-associated-with-glucose-lowering-with-either-exenatide-or-basal-insulin-a-retrospective-cohort-study
#3
Sarah E Holden, Christopher Ll Morgan, Qing Qiao, Sara Jenkins-Jones, Ellen R Berni, Craig J Currie
AIMS: Type 2 diabetes is a major health problem placing increasing demands on healthcare systems. Our objective was to estimate healthcare resource use and related financial costs following treatment with exenatide-based regimens prescribed as once-weekly (EQW) or twice-daily (EBID) formulations, compared with regimens based on basal insulin (BI). MATERIALS AND METHODS: This retrospective cohort study used data from the UK Clinical Practice Research Datalink (CPRD) linked to Hospital Episode Statistics (HES)...
February 20, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28218580/circulating-cathelicidin-ll-37-in-adult-patients-with-pulmonary-infectious-diseases
#4
Karol Majewski, Paulina Żelechowska, Ewa Brzezińska-Błaszczyk
PURPOSE: The antimicrobial peptide cathelicidin LL-37 plays a role in the immune response in the course of lung infections; however, the exact role of LL-37 in defense mechanisms against bacteria within the respiratory tract is has not been precisely described. The aim of our study was to evaluate LL-37 concentrations in the serum of pulmonary tuberculosis (TB) patients, patients with pneumonia caused by Gram-positive and Gram-negative bacteria and to compare them with those of healthy subjects...
February 19, 2017: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/28216210/prevention-of-proximal-junctional-kyphosis-are-polyaxial-pedicle-screws-superior-to-monoaxial-pedicle-screws-at-the-upper-instrumented-vertebrae
#5
Hui Wang, Wenyuan Ding, Lei Ma, Lijun Zhang, Dalong Yang
INTRODUCTION: Evidence regarding whether the polyaxial pedicle screws at the upper instrumented vertebrae (UIV) are superior to monoaxial pedicle screws in prevention of proximal junctional kyphosis (PJK) is less clear. The aim of this study was therefore to explore the influence of different type of pedicle screws at UIV on the incidence of PJK. METHODS: 242 patients surgically treated with instrumented segmental posterior spinal fusion at a minimum 4 motion segments were reviewed retrospectively...
February 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28207663/role-of-ethnicity-in-alignment-compensation-propensity-matched-analysis-of-differential-compensatory-mechanism-recruitment-patterns-for-sagittal-malalignment-in-288-asd-patients-from-japan-korea-and-united-states
#6
Bassel G Diebo, Isaac Gammal, Yoon Ha, Seung Hwan Yoon, Jae Won Chang, Byeongwoo Kim, Morio Matsumoto, Yu Yamato, Daisaku Takeuchi, Naobumi Hosogane, Mitsuru Yagi, Hiroshi Taneichi, Frank Schwab, Virginie Lafage, Christopher Ames
STUDY DESIGN: Retrospective review of adult spinal deformity patients in a multiethnic database. OBJECTIVE: To investigate the role of ethnicity on recruitment of compensatory mechanisms for sagittal spinal deformity. SUMMARY OF BACKGROUND DATA: While the impacts of age, sex, and pelvic morphology on the ability to compensate for sagittal malalignment have been investigated, the role of ethnicity in compensatory mechanism recruitment is poorly understood...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28207661/analysis-of-factors-associated-with-sagittal-balance-in-normal-asymptomatic-individuals-a-retrospective-study-in-a-population-of-east-china
#7
Mingyuan Yang, Changwei Yang, Xiao Zhai, Jian Zhao, Xiaodong Zhu, Ming Li
STUDY DESIGN: A retrospective study. OBJECTIVE: To determine primary contributors to sagittal balance and establish a predictive equation of sagittal balance in normal asymptomatic subjects. SUMMARY OF BACKGROUND DATA: Sagittal balance has been verified to be associated with health-related quality of life. Although many studies have been performed to explore factors contributing to sagittal balance in various disease states, no study has been conducted in normal asymptomatic subjects in East China...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28205526/association-evidence-of-ccttt-repeat-polymorphism-in-the-inos-promoter-and-the-risk-of-atrial-fibrillation-in-taiwanese
#8
Lung-An Hsu, Yung-Hsin Yeh, Wei-Jan Chen, Chi-Tai Kuo, Feng-Chun Tsai, Yi-Hsin Chan, Chun-Li Wang, Chi-Jen Chang, Hsin-Yi Tsai
Inducible nitric oxide synthase (iNOS) plays an important role in the pathogenesis of atrial fibrillation (AF). The iNOS promoter has a CCTTT-repeat length polymorphism that can determine the level of gene transcription. This study enrolled 200 AF patients and 240 controls. The length of CCTTT-repeat polymorphism in the iNOS promoter region was examined by polymerase chain reactions, with the alleles with ≤11 repeats designated as S and alleles with ≥12 repeats designated as L alleles. AF patients carried significantly higher frequencies of the LL genotype than control subjects (40...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28198883/angle-resolved-coherent-wave-mixing-using-a-4%C3%A2-%C3%A2-fs-ultra-broad-bandwidth-laser
#9
I P Mercer, T Witting, T Driver, R J Cogdell, J P Marangos, J W G Tisch
We demonstrate angle-resolved coherent (ARC) wave mixing using 4 fs light pulses derived from a laser source that spans 550-1000 nm. We believe this to be the shortest pulse duration used to date in coherent multi-dimensional spectroscopy. The marriage of this ultra-broad band, few-cycle coherent source with the ARC technique will permit new investigations of the interplay between energy transfers and quantum superposition states spanning 8200  cm<sup>-1</sup>. We applied this configuration to measurements on the photosynthetic low light (LL) complex from Rhodopseudomonas palustris in solution at ambient temperature...
February 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28196972/genus-kitasatospora-taxonomic-features-and-diversity-of-secondary-metabolites
#10
REVIEW
Yōko Takahashi
The genus Kitasatospora was proposed in 1982. Although Kitasatospora strains resemble Streptomyces strains in morphology, they are clearly different in cell-wall composition, as they contain both LL- and meso-diaminopimelic acid. Aerial and submerged spores contain LL-, while vegetative and submerged mycelia contain mainly meso- in their cell walls. Currently, 23 species have been validly proposed. Members of the genus Kitasatospora form a tight cluster and represent a legitimate genus distinct from Streptomyces on the basis of phylogenetic analysis of 16S rRNA gene sequences...
February 15, 2017: Journal of Antibiotics
https://www.readbyqxmd.com/read/28195302/testing-biomechanical-models-of-human-lumbar-lordosis-variability
#11
Eric R Castillo, Connie Hsu, Ross W Mair, Daniel E Lieberman
OBJECTIVES: Lumbar lordosis (LL) is a key adaptation for bipedalism, but factors underlying curvature variations remain unclear. This study tests three biomechanical models to explain LL variability. MATERIALS AND METHODS: Thirty adults (15 male, 15 female) were scanned using magnetic resonance imaging (MRI), a standing posture analysis was conducted, and lumbar range of motion (ROM) was assessed. Three measures of LL were compared. The trunk's center of mass was estimated from external markers to calculate hip moments (Mhip ) and lumbar flexion moments...
February 13, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28195066/successful-therapy-of-clostridium-difficile-infection-with-fecal-microbiota-transplantation
#12
P C Konturek, J Koziel, W Dieterich, D Haziri, S Wirtz, I Glowczyk, K Konturek, M F Neurath, Y Zopf
Clostridium difficile infection (CDI) is the most common cause of infectious diarrhea and represents an important burden for healthcare worldwide. Symptoms of severe CDI include watery, foul-smelling diarrhea, peripheral leucocytosis, increased C-reactive protein (CRP), acute renal failure, hypotension and pseudomembranous colitis. Recent studies indicate that the main cause of CDI is dysbiosis, an imbalance in the normal gut microbiota. The restoration of a healthy gut microbiota composition via fecal microbiota transplantation (FMT) recently became more popular...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28193209/secretion-of-biologically-active-pancreatitis-associated-protein-i-pap-by-genetically-modified-dairy-lactococcus-lactis-nz9000-in-the-prevention-of-intestinal-mucositis
#13
Rodrigo D Carvalho, Natalia Breyner, Zelia Menezes-Garcia, Nubia M Rodrigues, Luisa Lemos, Tatiane U Maioli, Danielle da Gloria Souza, Denise Carmona, Ana M C de Faria, Philippe Langella, Jean-Marc Chatel, Luis G Bermúdez-Humarán, Henrique C P Figueiredo, Vasco Azevedo, Marcela S de Azevedo
BACKGROUND: Mucositis is one of the most relevant gastrointestinal inflammatory conditions in humans, generated by the use of chemotherapy drugs, such as 5-fluoracil (5-FU). 5-FU-induced mucositis affects 80% of patients undergoing oncological treatment causing mucosal gut dysfunctions and great discomfort. As current therapy drugs presents limitations in alleviating mucositis symptoms, alternative strategies are being pursued. Recent studies have shown that the antimicrobial pancreatitis-associated protein (PAP) has a protective role in intestinal inflammatory processes...
February 13, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28193137/risk-factors-for-adjacent-segment-degeneration-after-iliac-screw-fixation-in-lumbar-degenerative-kyphoscoliosis
#14
Sang-Il Kim, Kee-Yong Ha, Dong-Whan Suh, In-Soo Oh
PURPOSE: To analyze pre- and postoperative spinopelvic parameters and sagittal profiles in lumbar degenerative kyphoscoliosis (LDK) patients who underwent surgery using iliac screw (IS) and the incidence and risk factor of radiological adjacent segment degeneration (ASD). METHODS: A total of 32 patients, who had undergone surgical correction and lumbar/thoracolumbar fusion with pedicle screws and IS instrumentation for LDK with a minimum 2-year follow-up, were included...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28192169/the-serotonin-transporter-polymorphism-5-httlpr-and-coping-strategies-influence-successful-emotion-regulation-in-an-acute-stress-situation-physiological-evidence
#15
Thomas Plieger, Martin Melchers, Annabel Vetterlein, Janina Görtz, Sarah Kuhn, Melissa Ruppel, Martin Reuter
INTRODUCTION: Emotion regulation is an important everyday-life skill to reduce harm and stress. Consequently, research shows associations between psychopathologies and emotional dysregulation. The serotonin transporter polymorphism (5-HTTLPR) has repeatedly been associated to phenotypes and syndromes related to emotional dysregulation. However, there is no study showing any direct effects of 5-HTTLPR genotype and emotion regulation. Hence, the aim of the present study was to draw a link between 5-HTTLPR to emotion regulation...
February 9, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28192078/the-pressure-temperature-phase-diagram-of-metacetamol-and-its-comparison-to-the-phase-diagram-of-paracetamol
#16
M Barrio, J Huguet, I B Rietveld, B Robert, R Céolin, J Ll Tamarit
Understanding the polymorphic behavior of active pharmaceutical ingredients is important for formulation purposes and regulatory reasons. Metacetamol is an isomer of paracetamol and it similarly exhibits polymorphism. In the present paper, it has been found that one of the polymorphs of metacetamol is only stable under increased pressure, which has led to the conclusion that metacetamol like paracetamol is a monotropic system under ordinary (= laboratory) conditions and that it becomes enantiotropic under pressure with the I-II-L triple point coordinates for metacetamol TI-II-L = 535±10 K and PI-II-L = 692±70 MPa...
February 9, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28190486/randomised-controlled-trial-to-evaluate-the-effect-of-foot-trimming-before-and-after-first-calving-on-subsequent-lameness-episodes-and-productivity-in-dairy-heifers
#17
S A Mahendran, J N Huxley, Y-M Chang, M Burnell, D C Barrett, H R Whay, T Blackmore, C S Mason, N J Bell
The objective of this study was to assess both independent and combined effects of routine foot trimming of heifers at 3 weeks pre-calving and 100 days post calving on the first lactation lameness and lactation productivity. A total of 419 pre-calving dairy heifers were recruited from one heifer rearing operation over a 10-month period. Heifers were randomly allocated into one of four foot trimming regimens; pre-calving foot trim and post-calving lameness score (Group TL), pre-calving lameness score and post-calving foot trim (Group LT), pre-calving foot trim and post-calving foot trim (Group TT), and pre-calving lameness score and post-calving lameness score (Group LL, control group)...
February 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28187069/virtual-modeling-of-postoperative-alignment-following-adult-spinal-deformity-asd-surgery-helps-predict-associations-between-compensatory-spinopelvic-alignment-changes-overcorrection-and-proximal-junctional-kyphosis-pjk
#18
Renaud Lafage, Shay Bess, Steve Glassman, Christopher Ames, Doug Burton, Robert Hart, Han Jo Kim, Eric Klineberg, Jensen Henry, Breton Line, Justin Scheer, Themistocles Protopsaltis, Frank Schwab, Virginie Lafage
STUDY DESIGN: Retrospective review of a prospective multicenter database. OBJECTIVE: To develop a method to analyze sagittal alignment, free of PJK's influence, and then compare PJK to non-PJK patients using this method. SUMMARY OF BACKGROUND DATA: Proximal Junctional Kyphosis (PJK) following Adult Spinal Deformity (ASD) surgery remains problematic as it alters sagittal alignment. This study proposes a novel virtual modeling technique that attempts to eliminate the confounding effects of PJK on postoperative spinal alignment...
February 9, 2017: Spine
https://www.readbyqxmd.com/read/28185016/association-between-paraoxonase-1-gene-q192r-and-l55m-polymorphisms-in-systemic-lupus-erythematosus-sle-and-anti-phospholipid-syndrome-aps-in-a-population-from-cairo-of-egypt
#19
Alshaymaa Ahmed Ibrahim, Dalia El-Lebedy, Ingy Ashmawy, Maha Abdel Hady
Paraoxonase-1 (PON1) is involved in the oxidative stress process that cause tissue damage observed in systemic lupus erythematosus (SLE) and anti-phospholipid syndrome (APS). The aim of the present study was to investigate the association of PON1 Q192R and L55M polymorphisms with risk of SLE and associated APS among Egyptian sample. The study included 120 SLE patients (45 without APS and 75 with APS) and 120 healthy subjects. PON1 Q192R and L55M polymorphisms were genotyped by real-time PCR. No significant differences in Q192R genotypes or allele frequencies were found between patients and controls (p = 0...
February 9, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28178190/high-specific-selectivity-and-membrane-active-mechanism-of-synthetic-cationic-hybrid-antimicrobial-peptides-based-on-the-peptide-fv7
#20
Tingting Tan, Di Wu, Weizhong Li, Xin Zheng, Weifen Li, Anshan Shan
Hybrid peptides integrating different functional domains of peptides have many advantages, such as remarkable antimicrobial activity, lower hemolysis and ideal cell selectivity, compared with natural antimicrobial peptides. FV7 (FRIRVRV-NH₂), a consensus amphiphilic sequence was identified as being analogous to host defense peptides. In this study, we designed a series of hybrid peptides FV7-LL-37 (17-29) (FV-LL), FV7-magainin 2 (9-21) (FV-MA) and FV7-cecropin A (1-8) (FV-CE) by combining the FV7 sequence with the small functional sequences LL-37 (17-29) (LL), magainin 2 (9-21) (MA) and cecropin A (1-8) (CE) which all come from well-described natural peptides...
February 6, 2017: International Journal of Molecular Sciences
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