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https://www.readbyqxmd.com/read/27914059/evolution-inspired-computational-design-of-symmetric-proteins
#1
Arnout R D Voet, David Simoncini, Jeremy R H Tame, Kam Y J Zhang
Monomeric proteins with a number of identical repeats creating symmetrical structures are potentially very valuable building blocks with a variety of bionanotechnological applications. As such proteins do not occur naturally, the emerging field of computational protein design serves as an excellent tool to create them from nonsymmetrical templates. Existing pseudo-symmetrical proteins are believed to have evolved from oligomeric precursors by duplication and fusion of identical repeats. Here we describe a computational workflow to reverse-engineer this evolutionary process in order to create stable proteins consisting of identical sequence repeats...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27914036/prolactin-regulatory-element-binding-protein-is-involved-in-suppression-of-the-adiponectin-gene-in-vivo
#2
X Z Zhang, H Imachi, J Y Lyu, K Fukunaga, S Sato, T Ibata, T Kobayashi, T Yoshimoto, F Kikuchi, T Dong, K Murao
PURPOSE: Prolactin regulatory element-binding protein (PREB), a member of the WD-repeat protein family, has been recognized as a transcriptional factor that regulates prolactin promoter activity in the anterior pituitary of rats. PREB is expressed not only in the pituitary but also in various other tissues, including the adipose tissue. Previous studies have shown that PREB acts as a transcriptional regulator and suppresses the expression of the adiponectin gene in cultured 3T3L1 preadipocytes...
December 2, 2016: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/27914008/igf1r-dental-pulp-stem-cells-enhanced-neuroplasticity-in-hypoxia-ischemia-model
#3
Hsiao-Yu Chiu, Chen-Huan Lin, Chung Y Hsu, John Yu, Chia-Hung Hsieh, Woei-Cherng Shyu
Until now, the surface markers of multipotent mesenchymal stem cells (MSCs) had not been fully identified. Here, we found that the IGF1 receptor (IGF1R), regarded as a pluripotent marker of embryonic stem cells (ESCs), was also expressed in human dental pulp derived-mesenchymal stem cells (hDSCs), which displayed a potential for both self-renewal and multipotency. hDSC-secreted IGF1 interacted with IGF1R through an autocrine signaling pathway to maintain this self-renewal and proliferation potential. Stereotaxic implantation of immunosorted IGF1R(+) hDSCs in rats with neonatal hypoxia-ischemia (NHI) promoted neuroplasticity, improving the neurological outcome by increasing expression of the anti-apoptotic protein Bcl-2, which enhanced both neurogenesis and angiogenesis...
December 2, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27913997/mega-cecum-an-unrecognized-cause-of-symptoms-in-some-female-patients-with-uro-gynecological-symptoms-and-severe-slow-transit-constipation
#4
William Y Chey, Vincent Chang, Cameron M Hoellrich, Kae Yol Lee, Maxine Lubkin, Deborah Corcoran, Ta-Min Chang, William D Chey
BACKGROUND: A subset of female patients with severe constipation report overlapping uro-gynecological symptoms which have been attributed to visceral hypersensitivity. AIMS: To study colon morphology and motor function in female patients with medically refractory chronic constipation with or without uro-gynecological symptoms and to assess clinical outcomes following laparoscopic ileo-proctostomy. METHODS: Colon anatomy and cecal emptying time were assessed with plain films and fluoroscopy following a standardized test meal mixed with barium...
December 2, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27913984/basal-insulin-persistence-associated-factors-and-outcomes-after-treatment-initiation-a-retrospective-database-study-among-people-with-type-2-diabetes-mellitus-in-japan
#5
Irene Hadjiyianni, Urvi Desai, Shuichi Suzuki, Jasmina I Ivanova, Dachuang Cao, Noam Y Kirson, Dai Chida, Caroline Enloe, Howard G Birnbaum, Magaly Perez-Nieves
INTRODUCTION: The objective of this study was to assess basal insulin persistence, associated factors, and economic outcomes for insulin-naïve people with type 2 diabetes mellitus (T2DM) in Japan. METHODS: People aged at least 18 years with T2DM with first claim for basal insulin between May 2006 and April 2013 (index date), no insulin use before index date, and continuous insurance coverage for 6 months before (baseline) and 12 months after index date were selected from the Japan Medical Center Database...
December 2, 2016: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/27913916/development-of-international-terminology-and-definitions-for-texture-modified-foods-and-thickened-fluids-used-in-dysphagia-management-the-iddsi-framework
#6
Julie A Y Cichero, Peter Lam, Catriona M Steele, Ben Hanson, Jianshe Chen, Roberto O Dantas, Janice Duivestein, Jun Kayashita, Caroline Lecko, Joseph Murray, Mershen Pillay, Luis Riquelme, Soenke Stanschus
Dysphagia is estimated to affect ~8% of the world's population (~590 million people). Texture-modified foods and thickened drinks are commonly used to reduce the risks of choking and aspiration. The International Dysphagia Diet Standardisation Initiative (IDDSI) was founded with the goal of developing globally standardized terminology and definitions for texture-modified foods and liquids applicable to individuals with dysphagia of all ages, in all care settings, and all cultures. A multi-professional volunteer committee developed a dysphagia diet framework through systematic review and stakeholder consultation...
December 2, 2016: Dysphagia
https://www.readbyqxmd.com/read/27913899/linking-temperamental-shyness-and-social-anxiety-in-childhood-and-adolescence-moderating-influences-of-sex-and-age
#7
Tiffany Y L Tsui, Ayelet Lahat, Louis A Schmidt
Although childhood shyness has been linked to social anxiety problems, the factors playing a role in this association have gone largely unexplored. Here we examined the potential moderating roles of sex and age on this relation in a sample of 119 (75 girls) children (10-12 years) and adolescents (14-16 years). As predicted, shyness was positively associated with social anxiety symptoms. Sex, but not age, served as a moderating factor in linking shyness and social anxiety. Specifically, shyness was more strongly associated with social anxiety symptoms among girls than boys...
December 2, 2016: Child Psychiatry and Human Development
https://www.readbyqxmd.com/read/27913887/transcriptomics-analysis-of-hulless-barley-during-grain-development-with-a-focus-on-starch-biosynthesis
#8
Yawei Tang, Xingquan Zeng, Yulin Wang, Lijun Bai, Qijun Xu, Zexiu Wei, Hongjun Yuan, Tashi Nyima
Hulless barley, with its unique nutritional value and potential health benefits, has increasingly attracted attentions in recent years. However, the transcription dynamics during hulless barley grain development is not well understood. In the present study, we investigated the transcriptome changes during barley grain development using Illumina paired-end RNA-sequencing. Two datasets of the developing grain transcriptomes from two barley landraces with the differential seed starch synthesis traits were generated, and comparative transcriptome approach in both genotypes was performed...
December 2, 2016: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/27913869/ranibizumab-for-vascularized-pigment-epithelial-detachment-1-year-anatomic-and-functional-results
#9
Olivier Chevreaud, Hassiba Oubraham, Salomon Y Cohen, Camille Jung, Rocio Blanco-Garavito, Farah Gherdaoui, Eric H Souied
PURPOSE: To assess the anatomical and functional efficacy of ranibizumab on vascularized pigment epithelial detachment (V-PED) secondary to neovascular age-related macular degeneration (nAMD). METHODS: One hundred and nine patients (116 eyes) were retrospectively selected from medical records of 2097 patients who benefited from intravitreal injection between January 2011 and June 2013 in a tertiary-care University-based Department of Ophthalmology. Inclusion criteria were: nAMD, treatment-naive eyes, presence of V-PED higher than 250 μm, intravitreal ranibizumab with a loading phase, followed by a pro-re-nata regimen, and 1-year follow-up...
December 3, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27913807/determination-of-a-threshold-compromise-value-for-the-perfusion-index-by-laser-doppler-imaging-after-digital-revascularization
#10
Y-Y Chu, D-Y Yu, C-W Chang, F Fang, H-T Liao
: We have used laser Doppler imaging to monitor the microcirculation of replanted digits during the post-operative period in 103 patients who underwent either replantation after traumatic amputation or toe-to-finger reconstruction. The blood flow (perfusion unit) in each revascularized digit was compared with that of an unaffected digit. The perfusion index was defined as the perfusion value of a revascularized digit divided by the perfusion value of the neighbouring normal digit. The ideal threshold value of the perfusion index (0...
December 1, 2016: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/27913803/intra-and-inter-tester-reliability-and-validity-of-normal-finger-size-measurement-using-the-japanese-ring-gauge-system
#11
T Suzuki, Y Sato, S Sotome, H Arai, A Arai, H Yoshida
: This study was designed to investigate the reliability and validity of measurements of finger diameters with a ring gauge. A reliability study enrolled two independent samples (50 participants and seven examiners in Study I; 26 participants and 26 examiners in Study II). The sizes of each participant's little fingers were measured twice with a ring gauge by each examiner. To investigate the validity of the measurements, five hand therapists compared the finger size and hand volume of 30 participants with the ring gauge and with a figure-of-eight technique (Study III)...
December 1, 2016: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/27913753/neutrophil-derived-microparticles-are-released-into-the-coronary-circulation-following-percutaneous-coronary-intervention-in-acute-coronary-syndromes
#12
Gonzalo J Martinez, Jennifer Y Barraclough, Shirley Nakhla, Vivian Kienzle, Stacy Robertson, Ziad Mallat, David S Celermajer, Sanjay Patel
AIMS: To evaluate (i) local coronary and systemic levels of microparticles (MP) in Acute Coronary Syndrome (ACS) and Stable Angina Pectoris (SAP) patients and (ii) their release after plaque disruption with percutaneous coronary intervention (PCI). BACKGROUND: Microparticles are small vesicles originating from plasma membranes of cells after activation or apoptosis and are implicated in the pathogenesis of atherosclerosis. Neutrophils play a role in plaque destabilisation and shed neutrophil-derived microparticles have the potential to drive significant pro-inflammatory and thrombotic downstream effects...
December 2, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27913734/structure-and-function-of-human-histone-h3-y-nucleosome
#13
Tomoya Kujirai, Naoki Horikoshi, Koichi Sato, Kazumitsu Maehara, Shinichi Machida, Akihisa Osakabe, Hiroshi Kimura, Yasuyuki Ohkawa, Hitoshi Kurumizaka
No abstract text is available yet for this article.
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27913728/fission-yeast-stn1-is-crucial-for-semi-conservative-replication-at-telomeres-and-subtelomeres
#14
Masahiro Takikawa, Yusuke Tarumoto, Fuyuki Ishikawa
The CST complex is a phylogenetically conserved protein complex consisting of CTC1/Cdc13, Stn1 and Ten1 that protects telomeres on linear chromosomes. Deletion of the fission yeast homologs stn1 and ten1 results in complete telomere loss; however, the precise function of Stn1 is still largely unknown. Here, we have isolated a high-temperature sensitive stn1 allele (termed stn1-1). stn1-1 cells abruptly lost telomeric sequence almost completely at the restrictive temperature. The loss of chromosomal DNA happened without gradual telomere shortening, and extended to 30 kb from the ends of chromosomes...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27913453/movement-patterns-of-cheetahs-acinonyx-jubatus-in-farmlands-in-botswana
#15
L K Van der Weyde, T Y Hubel, J Horgan, J Shotton, R McKenna, A M Wilson
Botswana has the second highest population of cheetah (Acinonyx jubatus) with most living outside protected areas. As a result, many cheetahs are found in farming areas, bringing them into conflict with people. This study aimed to look at movement patterns of cheetahs in farming environments to determine whether cheetahs have adapted their movements in these human-dominated landscapes. We fitted high-time resolution GPS collars to cheetahs in the Ghanzi farmlands of Botswana. GPS locations were used to calculate home range sizes as well as number and duration of visits to landscape features using a time-based local convex hull method...
December 2, 2016: Biology Open
https://www.readbyqxmd.com/read/27913435/idh2-mutations-define-a-unique-subtype-of-breast-cancer-with-altered-nuclear-polarity
#16
Sarah Chiang, Britta Weigelt, Huei-Chi Wen, Fresia Pareja, Ashwini Raghavendra, Luciano G Martelotto, Kathleen A Burke, Thais Basili, Anqi Li, Felipe C Geyer, Salvatore Piscuoglio, Charlotte K Y Ng, Achim A Jungbluth, Jörg Balss, Stefan Pusch, Gabrielle M Baker, Kimberly S Cole, Andreas von Deimling, Julie M Batten, Jonathan D Marotti, Hwei-Choo Soh, Benjamin L McCalip, Jonathan Serrano, Raymond S Lim, Kalliopi P Siziopikou, Song Lu, Xiaolong Liu, Tarek Hammour, Edi Brogi, Matija Snuderl, A John Iafrate, Jorge S Reis-Filho, Stuart J Schnitt
Solid papillary carcinoma with reverse polarity (SPCRP) is a rare breast cancer subtype with an obscure etiology. In this study, we sought to describe its unique histopathologic features and to identify the genetic alterations that underpin SPCRP using massively parallel whole-exome and targeted sequencing. The morphologic and immunohistochemical features of SPCRP support the invasive nature of this subtype. Ten of 13 (77%) SPCRPs harbored hotspot mutations at R172 of the isocitrate dehydrogenase IDH2, of which 8 of 10 displayed concurrent pathogenic mutations affecting PIK3CA or PIK3R1 One of the IDH2 wild-type SPCRPs harbored a TET2 Q548* truncating mutation coupled with a PIK3CA H1047R hotspot mutation...
October 20, 2016: Cancer Research
https://www.readbyqxmd.com/read/27913423/bronchodilatory-effect-of-deep-inspiration-in-freshly-isolated-sheep-lungs
#17
William D Wong, Lu Wang, Peter D Paré, Chun Y Seow
Taking a big breath is known to reverse bronchoconstriction induced by bronchochallenge in healthy subjects; this bronchodilatory effect of deep inspiration (DI) is diminished in asthmatics. The mechanism underlying the DI effect is not clear. Observations from experiments using isolated airway smooth muscle (ASM) preparations and airway segments suggest that straining of ASM due to DI could lead to bronchodilation, possibly due to strain-induced reduction in ASM contractility. However, factors external to the lung cannot be excluded as potential causes for the DI effect...
December 2, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27913398/cancer-burden-with-ageing-population-in-urban-regions-in-china-projection-on-cancer-registry-data-from-world-health-organization
#18
REVIEW
Kelvin K F Tsoi, Hoyee W Hirai, Felix C H Chan, Sian Griffiths, Joseph J Y Sung
BACKGROUND: China is facing the challenges of an expanding ageing population and the impact of rapid urbanization, cancer rates are subsequently increasing. This study focuses on the changes of the ageing population and projects the incidence of common ageing-related cancers in the urban regions in China up to 2030. SOURCES OF DATA: Cancer incidence data and population statistics in China were extracted from the International Agency for Research on Cancer. AREAS OF AGREEMENT: Due to improving longevity in China, continuous and remarkable increasing trends for the lung, colorectal and prostate cancers are expected...
December 1, 2016: British Medical Bulletin
https://www.readbyqxmd.com/read/27913305/oral-immunotherapy-induced-gastrointestinal-symptoms-and-peripheral-blood-eosinophil-responses
#19
Michael R Goldberg, Arnon Elizur, Liat Nachshon, Michael Y Appel, Michael B Levy, Keren Golobov, Robert Goldberg, Miguel Stein, Marc E Rothenberg, Yitzhak Katz
Oral immunotherapy-induced gastrointestinal and eosinophilic responses (OITIGER) is an adverse response to OIT in ∼8% of patients and is typically reversible by decreasing dosage administration. The peripheral blood eosinophil count serves as a biomarker marker for susceptibility and the medical course.
November 29, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27913270/part-1-comparison-of-plasma-ammonia-results-from-seven-different-automated-platforms-in-use-throughout-central-australia
#20
Corey Markus, Michael Metz
INTRODUCTION: The clinical catchment area for the Metabolic service at the Women's and Children's Hospital in Adelaide, South Australia, covers nearly 2.5millionkm(2). Care of children with metabolic disorders in these remote areas is assisted from Adelaide, and at times, using plasma ammonia results from laboratories up to 3000km away. There are seven different platforms measuring plasma ammonia within this vast clinical catchment area. Hence, a correlation study was conducted to examine the relationship between plasma ammonia results from the seven different platforms in use throughout central Australia...
November 29, 2016: Clinical Biochemistry
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