Institution
University of Gothenburg
Education•Gothenburg, Sweden•
About: University of Gothenburg is a education organization based out in Gothenburg, Sweden. It is known for research contribution in the topics: Population & Poison control. The organization has 23855 authors who have published 65241 publications receiving 2606327 citations. The organization is also known as: Göteborg University & Gothenburg University.
Topics: Population, Poison control, Health care, Implant, Dementia
Papers published on a yearly basis
Papers
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TL;DR: Future studies on the epidemiology of peri-implant diseases should consider applying consistent case definitions and assessing random patient samples of adequate size and function time, according to the meta-regression analysis.
Abstract: Background
To develop preventive strategies addressing peri-implant diseases, a thorough understanding of the epidemiology is required
Aim
The aim was to systematically assess the scientific literature in order to evaluate the prevalence, extent and severity of peri-implant diseases
Material & Methods
Data were extracted from identified studies Meta-analyses for prevalence of peri-implant mucositis and peri-implantitis were performed The effect of function time and disease definition on the prevalence of peri-implantitis was evaluated by meta-regression analyses Data on extent and severity of peri-implant diseases were estimated if not directly reported
Results
Fifteen articles describing 11 studies were included Case definitions for mucositis and peri-implantitis varied The prevalence of peri-implant mucositis and peri-implantitis ranged from 19 to 65% and from 1 to 47%, respectively Meta-analyses estimated weighted mean prevalences of peri-implant mucositis and peri-implantitis of 43% (CI: 32–54%) and 22% (CI: 14–30%), respectively The meta-regression showed a positive relationship between prevalence of peri-implantitis and function time and a negative relationship between prevalence of peri-implantitis and threshold for bone loss Extent and severity of peri-implant diseases were rarely reported
Conclusion
Future studies on the epidemiology of peri-implant diseases should consider (i) applying consistent case definitions and (ii) assessing random patient samples of adequate size and function time
822 citations
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Flanders Marine Institute1, Australian Museum2, University of New South Wales3, University of Southern Mississippi4, National Oceanography Centre, Southampton5, University of Hasselt6, WorldFish7, American Museum of Natural History8, San Diego State University9, Museum Victoria10, Natural History Museum11, Dowling College12, University of Hamburg13, James Cook University14, University of Johannesburg15, National Museum of Natural History16, National Taiwan Ocean University17, Scripps Institution of Oceanography18, National Oceanic and Atmospheric Administration19, University of Queensland20, University of Sassari21, Vrije Universiteit Brussel22, Université libre de Bruxelles23, Queensland Museum24, University of California, Merced25, Ghent University26, Naturalis27, Howard University28, University of Gothenburg29, California Academy of Sciences30, Florida Museum of Natural History31, Centre for Environment, Fisheries and Aquaculture Science32, Osaka University33, University of Santiago de Compostela34, University of Alaska Anchorage35, University of Málaga36, National Institute of Water and Atmospheric Research37, National University of Ireland, Galway38, University of Alaska Fairbanks39, Spanish National Research Council40, CABI41, University of Siegen42, Massey University43, University of Copenhagen44, Naturhistorisches Museum45, University of Washington46, Museum für Naturkunde47, Woods Hole Oceanographic Institution48, Western Washington University49, University of Bergen50, Nova Southeastern University51, Shirshov Institute of Oceanology52, National University of Singapore53, Shimane University54, Agnes Scott College55, University of the Ryukyus56, University of California, Davis57, Federal University of Paraná58, University of the Basque Country59, University of Veterinary Medicine Hanover60, Royal Belgian Institute of Natural Sciences61, Tel Aviv University62, Swedish Museum of Natural History63, Joint Nature Conservation Committee64, The Evergreen State College65, Estonian University of Life Sciences66, University of Maine67, Virginia Commonwealth University68, Trinity College, Dublin69, University of Auckland70
TL;DR: The first register of the marine species of the world is compiled and it is estimated that between one-third and two-thirds of marine species may be undescribed, and previous estimates of there being well over one million marine species appear highly unlikely.
822 citations
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TL;DR: The authors' results demonstrate that centrifugation-based protocols are simple and fast systems to distinguish subpopulations of extracellular vesicles, but they are indistinguishable using CD63-coated beads for flow cytometry analysis.
Abstract: Introduction: In recent years, there has been an exponential increase in the number of studies aiming to understand the biology of exosomes, as well as other extracellular vesicles. However, classification of membrane vesicles and the appropriate protocols for their isolation are still under intense discussion and investigation. When isolating vesicles, it is crucial to use systems that are able to separate them, to avoid cross-contamination. Method: EVs released from three different kinds of cell lines: HMC-1, TF-1 and BV-2 were isolated using two centrifugation-based protocols. In protocol 1, apoptotic bodies were collected at 2,000g, followed by filtering the supernatant through 0.8 mm pores and pelleting of microvesicles at 12,200g. In protocol 2, apoptotic bodies and microvesicles were collected together at 16,500g, followed by filtering of the supernatant through 0.2 mm pores and pelleting of exosomes at 120,000g. Extracellular vesicles were analyzed by transmission electron microscopy, flow cytometry and the RNA profiles were investigated using a Bioanalyzer † . Results: RNA profiles showed that ribosomal RNA was primary detectable in apoptotic bodies and smaller RNAs without prominent ribosomal RNA peaks in exosomes. In contrast, microvesicles contained little or no RNA except for microvesicles collected from TF-1 cell cultures. The different vesicle pellets showed highly different distribution of size, shape and electron density with typical apoptotic body, microvesicle and exosome characteristics when analyzed by transmission electron microscopy. Flow cytometry revealed the presence of CD63 and CD81 in all vesicles investigated, as well as CD9 except in the TF-1-derived vesicles, as these cells do not express CD9. Conclusions: Our results demonstrate that centrifugation-based protocols are simple and fast systems to distinguish subpopulations of extracellular vesicles. Different vesicles show different RNA profiles and morphological characteristics, but they are indistinguishable using CD63-coated beads for flow cytometry analysis.
820 citations
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TL;DR: The present study reported on the 30-year outcome of preventive dental treatment in a group of carefully monitored subjects who on a regular basis were encouraged, but also enjoyed and recognized the benefit of, maintaining a high standard of oral hygiene.
Abstract: Background: The biofilm that forms and remains on tooth surfaces is the main etiological factor in caries and periodontal disease. Prevention of caries and periodontal disease must be based on means that counteract this bacterial plaque.
Objective: To monitor the incidence of tooth loss, caries and attachment loss during a 30-year period in a group of adults who maintained a carefully managed plaque control program. In addition, a comparison was made regarding the oral health status of individuals who, in 1972 and 2002, were 51–65 years old.
Material and Methods: In 1971 and 1972, more than 550 subjects were recruited. Three hundred and seventy-five subjects formed a test group and 180 a control group. After 6 years of monitoring, the control group was discontinued but the participants in the test group was maintained in the preventive program and was finally re-examined after 30 years. The following variables were studied at Baseline and after 3, 6, 15 and 30 years: plaque, caries, probing pocket depth, probing attachment level and CPITN. Each patient was given a detailed case presentation and education in self-diagnosis. Once every 2 months during the first 2 years, once every 3–12 months during years 3–30, the participants received, on an individual need basis, additional education in self-diagnosis and self-care focused on proper plaque control measures, including the use of toothbrushes and interdental cleaning devices (brush, dental tape, toothpick). The prophylactic sessions that were handled by a dental hygienist also included (i) plaque disclosure and (ii) professional mechanical tooth cleaning including the use of a fluoride-containing dentifrice/paste.
Results: Few teeth were lost during the 30 years of maintenance; 0.4–1.8 in different age cohorts. The main reason for tooth loss was root fracture; only 21 teeth were lost because of progressive periodontitis or caries. The mean number of new caries lesions was 1.2, 1.7 and 2.1 in the three groups. About 80% of the lesions were classified as recurrent caries. Most sites, buccal sites being the exception, exhibited no sign of attachment loss. Further, on approximal surfaces there was some gain of attachment between 1972 and 2002 in all age groups.
Conclusion: The present study reported on the 30-year outcome of preventive dental treatment in a group of carefully monitored subjects who on a regular basis were encouraged, but also enjoyed and recognized the benefit of, maintaining a high standard of oral hygiene. The incidence of caries and periodontal disease as well as tooth mortality in this subject sample was very small. Since all preventive and treatment efforts during the 30 years were delivered in one private dental office, caution must be exercised when comparisons are made with longitudinal studies that present oral disease data from randomly selected subject samples.
816 citations
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University of Helsinki1, University of Tübingen2, University of Göttingen3, Heidelberg University4, Technische Universität München5, Ludwig Maximilian University of Munich6, University of Duisburg-Essen7, University of Cologne8, University of Gothenburg9, University of Bergen10, University of Oulu11, Aalto University12, Lund University13
TL;DR: Adjuvant imatinib administered for 12 months after surgery has improved recurrence-free survival (RFS) of patients with operable gastrointestinal stromal tumor (GIST) compared with placebo and overall survival of GIST patients with a high risk of Gist recurrence.
Abstract: Context Adjuvant imatinib administered for 12 months after surgery has improved recurrence-free survival (RFS) of patients with operable gastrointestinal stromal tumor (GIST) compared with placebo. Objective To investigate the role of imatinib administration duration as adjuvant treatment of patients who have a high estimated risk for GIST recurrence after surgery. Design, Setting, and Patients Patients with KIT-positive GIST removed at surgery were entered between February 2004 and September 2008 to this randomized, open-label phase 3 study conducted in 24 hospitals in Finland, Germany, Norway, and Sweden. The risk of GIST recurrence was estimated using the modified National Institutes of Health Consensus Criteria. Intervention Imatinib, 400 mg per day, orally for either 12 months or 36 months, started within 12 weeks of surgery. Main Outcome Measures The primary end point was RFS; the secondary end points included overall survival and treatment safety. Results Two hundred patients were allocated to each group. The median follow-up time after randomization was 54 months in December 2010. Diagnosis of GIST was confirmed in 382 of 397 patients (96%) in the intention-to-treat population at a central pathology review. KIT or PDGFRA mutation was detected in 333 of 366 tumors (91%) available for testing. Patients assigned for 36 months of imatinib had longer RFS compared with those assigned for 12 months (hazard ratio [HR], 0.46; 95% CI, 0.32-0.65; P Conclusion Compared with 12 months of adjuvant imatinib, 36 months of imatinib improved RFS and overall survival of GIST patients with a high risk of GIST recurrence. Trial Registration clinicaltrials.gov Identifier: NCT00116935
812 citations
Authors
Showing all 24120 results
Name | H-index | Papers | Citations |
---|---|---|---|
Peter J. Barnes | 194 | 1530 | 166618 |
Luigi Ferrucci | 193 | 1601 | 181199 |
Richard H. Friend | 169 | 1182 | 140032 |
Napoleone Ferrara | 167 | 494 | 140647 |
Timothy A. Springer | 167 | 669 | 122421 |
Anders Björklund | 165 | 769 | 84268 |
Hua Zhang | 163 | 1503 | 116769 |
Kaj Blennow | 160 | 1845 | 116237 |
Leif Groop | 158 | 919 | 136056 |
Tomas Hökfelt | 158 | 1033 | 95979 |
Johan G. Eriksson | 156 | 1257 | 123325 |
Naveed Sattar | 155 | 1326 | 116368 |
Paul Elliott | 153 | 773 | 103839 |
Claude Bouchard | 153 | 1076 | 115307 |
Hakon Hakonarson | 152 | 968 | 101604 |