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Stephan bischoff

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https://www.readbyqxmd.com/read/29126396/feasibility-of-structured-endurance-training-and-mediterranean-diet-in-brca1-and-brca2-mutation-carriers-an-interventional-randomized-controlled-multicenter-trial-libre-1
#1
Marion Kiechle, Ricarda Dukatz, Maryam Yahiaoui-Doktor, Anika Berling, Maryam Basrai, Vera Staiger, Uwe Niederberger, Nicole Marter, Jacqueline Lammert, Sabine Grill, Katharina Pfeifer, Kerstin Rhiem, Rita K Schmutzler, Matthias Laudes, Michael Siniatchkin, Martin Halle, Stephan C Bischoff, Christoph Engel
BACKGROUND: Women with pathogenic BRCA germline mutations have an increased risk for breast and ovarian cancer that seems to be modified by life-style factors. Though, randomized trials investigating the impact of lifestyle interventions on cancer prevention and prognosis in BRCA carriers are still missing. METHODS: We implemented a multicenter, prospective randomized controlled trial in BRCA1/2 patients, comparing a lifestyle intervention group (IG) with a control group (CG) with the primary aim to prove feasibility...
November 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28975393/smoking-and-physical-inactivity-increase-cancer-prevalence-in-brca-1-and-brca-2-mutation-carriers-results-from-a-retrospective-observational-analysis
#2
Sabine Grill, Maryam Yahiaoui-Doktor, Ricarda Dukatz, Jacqueline Lammert, Mirjam Ullrich, Christoph Engel, Katharina Pfeifer, Maryam Basrai, Michael Siniatchkin, Thorsten Schmidt, Burkhard Weisser, Kerstin Rhiem, Nina Ditsch, Rita Schmutzler, Stephan C Bischoff, Martin Halle, Marion Kiechle
BACKGROUND: The aim of this analysis in a pilot study population was to investigate whether we can verify seemingly harmful lifestyle factors such as nicotine and alcohol indulgence, obesity, and physical inactivity, as well as a low socioeconomic status for increased cancer prevalence in a cohort of BRCA 1 and 2 mutation carriers. METHODS: The analysis data are derived from 68 participants of the lifestyle intervention study LIBRE-1, a randomized, prospective trial that aimed to test the feasibility of a lifestyle modification in BRCA 1 and 2 mutation carriers...
October 3, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28802519/espen-guidelines-on-nutritional-support-for-polymorbid-internal-medicine-patients
#3
Filomena Gomes, Philipp Schuetz, Lisa Bounoure, Peter Austin, María Ballesteros-Pomar, Tommy Cederholm, Jane Fletcher, Alessandro Laviano, Kristina Norman, Kalliopi-Anna Poulia, Paula Ravasco, Stephane M Schneider, Zeno Stanga, C Elizabeth Weekes, Stephan C Bischoff
BACKGROUND & AIMS: Polymorbidity (also known as multimorbidity) - defined as the co-occurrence of at least two chronic health conditions - is highly prevalent, particularly in the hospitalized population. Nonetheless, clinical guidelines largely address individual diseases and rarely account for polymorbidity. The aim of this project was to develop guidelines on nutritional support for polymorbid patients hospitalized in medical wards. METHODS: The methodology used for the development of the current project follows the standard operating procedures for ESPEN guidelines...
July 24, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28643294/-saccharomyces-boulardii-cncm-i-745-influences-the-gut-associated-immune-system
#4
Heike Stier, Stephan C Bischoff
BACKGROUND: The impact of the intestinal microbiome is increasing steadily with regard to the immune function und the defense against pathogens. The medicinal yeast Saccharomyces boulardii CNCM I-745 (S. boulardii) has been used as probiotic for the prevention and treatment of infectious diarrhea since more than 50 years. Meta-analyses confirm the clinical efficacy of S. boulardii to treat diarrhea of various origins in children and adults. METHOD: This review article summarizes experimental studies on molecular and immunological mechanisms which explain the proven clinical efficacy of S...
June 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28521737/validation-of-the-german-version-of-the-mediterranean-diet-adherence-screener-medas-questionnaire
#5
Katrin Hebestreit, Maryam Yahiaoui-Doktor, Christoph Engel, Walter Vetter, Michael Siniatchkin, Nicole Erickson, Martin Halle, Marion Kiechle, Stephan C Bischoff
BACKGROUND: Health benefits of the Mediterranean Diet (MD) have been shown in different at-risk populations. A German translation of the Mediterranean Diet Adherence Screener (MEDAS) from the PREvención con DIeta MEDiterránea (PREDIMED) consortium was used in the LIBRE study, investigating effects of lifestyle-intervention on women with BRCA1/2 mutations. The purpose of the present study is to validate the MEDAS German version. METHODS: LIBRE is a multicentre (three university hospitals during this pilot phase), unblinded, randomized, controlled clinical trial...
May 18, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28467045/assuring-consistent-performance-of-an-insulin-like-growth-factor-1-maldimmunoassay-by-monitoring-measurement-quality-indicators
#6
Frank Klont, Nick H T Ten Hacken, Péter Horvatovich, Stephan J L Bakker, Rainer Bischoff
Analytical methods based on mass spectrometry (MS) have been successfully applied in biomarker discovery studies, while the role of MS in translating biomarker candidates to clinical diagnostics is less pronounced. MALDImmunoassays-methods that combine immunoaffinity enrichment with matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) mass spectrometric detection-are attractive analytical approaches for large-scale sample analysis by virtue of their ease of operation and high-throughput capabilities...
June 6, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28385477/espen-guideline-clinical-nutrition-in-surgery
#7
Arved Weimann, Marco Braga, Franco Carli, Takashi Higashiguchi, Martin Hübner, Stanislaw Klek, Alessandro Laviano, Olle Ljungqvist, Dileep N Lobo, Robert Martindale, Dan L Waitzberg, Stephan C Bischoff, Pierre Singer
Early oral feeding is the preferred mode of nutrition for surgical patients. Avoidance of any nutritional therapy bears the risk of underfeeding during the postoperative course after major surgery. Considering that malnutrition and underfeeding are risk factors for postoperative complications, early enteral feeding is especially relevant for any surgical patient at nutritional risk, especially for those undergoing upper gastrointestinal surgery. The focus of this guideline is to cover nutritional aspects of the Enhanced Recovery After Surgery (ERAS) concept and the special nutritional needs of patients undergoing major surgery, e...
June 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28356436/intestinal-barrier-function-and-the-gut-microbiome-are-differentially-affected-in-mice-fed-a-western-style-diet-or-drinking-water-supplemented-with-fructose
#8
COMPARATIVE STUDY
Valentina Volynets, Sandrine Louis, Dominik Pretz, Lisa Lang, Maureen J Ostaff, Jan Wehkamp, Stephan C Bischoff
Background: The consumption of a Western-style diet (WSD) and high fructose intake are risk factors for metabolic diseases. The underlying mechanisms are largely unclear.Objective: To unravel the mechanisms by which a WSD and fructose promote metabolic disease, we investigated their effects on the gut microbiome and barrier function.Methods: Adult female C57BL/6J mice were fed a sugar- and fat-rich WSD or control diet (CD) for 12 wk and given access to tap water or fructose-supplemented water. The microbiota was analyzed with the use of 16S rRNA gene sequencing...
May 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28324642/cinnamon-reduces-inflammatory-response-in-intestinal-fibroblasts-in-vitro-and-in-colitis-in-vivo-leading-to-decreased-fibrosis
#9
Yvonne Hagenlocher, Sabrina Satzinger, Mehtap Civelek, Katharina Feilhauer, Jörg Köninger, Stephan C Bischoff, Axel Lorentz
SCOPE: Intestinal fibrosis, a complication of inflammatory bowel disease, is currently being addressed by surgery alone, with no adequate alternative therapy available for patients. We propose that anti-inflammatory plant substances like cinnamon extract (CE) or its main compound cinnamaldeyde (CA) could aid in therapy. We recently found CE reducing inflammation in murine colitis. Here, we analyzed effects of CE on fibrosis in IL-10(-/-) colitis. METHODS AND RESULTS: IL-10(-/-) and wild-type (WT) mice were orally treated with/without vehicle or CE...
March 21, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28131521/espen-guideline-clinical-nutrition-in-inflammatory-bowel-disease
#10
Alastair Forbes, Johanna Escher, Xavier Hébuterne, Stanisław Kłęk, Zeljko Krznaric, Stéphane Schneider, Raanan Shamir, Kalina Stardelova, Nicolette Wierdsma, Anthony E Wiskin, Stephan C Bischoff
INTRODUCTION: The ESPEN guideline presents a multidisciplinary focus on clinical nutrition in inflammatory bowel disease (IBD). METHODOLOGY: The guideline is based on extensive systematic review of the literature, but relies on expert opinion when objective data were lacking or inconclusive. The conclusions and 64 recommendations have been subject to full peer review and a Delphi process in which uniformly positive responses (agree or strongly agree) were required...
April 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28049662/gut-permeability-is-related-to-body-weight-fatty-liver-disease-and-insulin-resistance-in-obese-individuals-undergoing-weight-reduction
#11
COMPARATIVE STUDY
Antje Damms-Machado, Sandrine Louis, Anna Schnitzer, Valentina Volynets, Andreas Rings, Maryam Basrai, Stephan C Bischoff
BACKGROUND: Obesity and associated metabolic disorders are related to impairments of the intestinal barrier. OBJECTIVE: We examined lactulose:mannitol (Lac:Man) permeability in obese individuals with and without liver steatosis undergoing a weight-reduction program to test whether an effective weight-loss program improves gut barrier function and whether obese patients with or without liver steatosis differ in this function. DESIGN: Twenty-seven adult, nondiabetic individuals [mean ± SD body mass index (BMI; in kg/m(2)): 43...
January 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27890486/towards-a-multidisciplinary-approach-to-understand-and-manage-obesity-and-related-diseases
#12
REVIEW
Stephan C Bischoff, Yves Boirie, Tommy Cederholm, Michael Chourdakis, Cristina Cuerda, Nathalie M Delzenne, Nicolaas E Deutz, Denis Fouque, Laurence Genton, Carmen Gil, Berthold Koletzko, Miguel Leon-Sanz, Raanan Shamir, Joelle Singer, Pierre Singer, Nanette Stroebele-Benschop, Anders Thorell, Arved Weimann, Rocco Barazzoni
Overnutrition and sedentary lifestyle result in overweight or obesity defined as abnormal or excessive fat accumulation that may impair health. According to the WHO, the worldwide prevalence of obesity nearly doubled between 1980 and 2008. In 2008, over 50% of both men and women in the WHO European Region were overweight, and approximately 23% of women and 20% of men were obese. Comprehensive diagnostic and therapeutic approaches should include nutritional treatment to favor the best metabolic and nutritional outcome, as well as to induce potential disease-specific benefits from selected nutritional regimens...
November 16, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27695355/influence-of-saccharomyces-boulardii-cncm-i-745on-the-gut-associated-immune-system
#13
Heike Stier, Stephan C Bischoff
BACKGROUND: The probiotic Saccharomyces boulardii CNCM I-745 (also known as Saccharomyces cerevisiae HANSEN CBS 5926; in the following S. boulardii) has proven its effectiveness in preventive and therapeutic treatment of many gastrointestinal diseases, especially diseases associated with acute diarrhea. In particular, antibiotic-associated diarrhea, Clostridium difficile-associated diarrhea, traveller's diarrhea, as well as acute diarrhea due to common viral and bacterial infections in children and adults...
2016: Clinical and Experimental Gastroenterology
https://www.readbyqxmd.com/read/27649775/altered-reward-expectancy-in-individuals-with-recent-methamphetamine-dependence
#14
Amanda Bischoff-Grethe, Colm G Connolly, Stephan J Jordan, Gregory G Brown, Martin P Paulus, Susan F Tapert, Robert K Heaton, Steven P Woods, Igor Grant
BACKGROUND: Chronic methamphetamine use may lead to changes in reward-related function of the ventral striatum and caudate nucleus. Whether methamphetamine-dependent individuals show heightened reactivity to positively valenced stimuli (i.e. positive reinforcement mechanisms), or an exaggerated response to negatively valenced stimuli (i.e. driven by negative reinforcement mechanisms) remains unclear. This study investigated neural functioning of expectancy and receipt for gains and losses in adults with (METH+) and without (METH-) histories of methamphetamine dependence...
January 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/27583194/intestinal-barrier-analysis-by-assessment-of-mucins-tight-junctions-and-%C3%AE-defensins-in-healthy-c57bl-6j-and-balb-cj-mice
#15
Valentina Volynets, Andreas Rings, Gyöngyi Bárdos, Maureen J Ostaff, Jan Wehkamp, Stephan C Bischoff
The intestinal barrier is gaining increasing attention because it is related to intestinal homeostasis and disease. Different parameters have been used in the past to assess intestinal barrier functions in experimental studies; however most of them are poorly defined in healthy mice. Here, we compared a number of barrier markers in healthy mice, established normal values and correlations. In 48 mice (24 C57BL/6J, 24 BALB/cJ background), we measured mucus thickness, and expression of mucin-2, α-defensin-1 and -4, zonula occludens-1, occludin, junctional adhesion molecule-A, claudin-1, 2 and -5...
July 2016: Tissue Barriers
https://www.readbyqxmd.com/read/27563976/chromatic-aberration-correction-for-atomic-resolution-tem-imaging-from-20-to-80%C3%A2-kv
#16
Martin Linck, Peter Hartel, Stephan Uhlemann, Frank Kahl, Heiko Müller, Joachim Zach, Max Haider, Marcel Niestadt, Maarten Bischoff, Johannes Biskupek, Zhongbo Lee, Tibor Lehnert, Felix Börrnert, Harald Rose, Ute Kaiser
Atomic resolution in transmission electron microscopy of thin and light-atom materials requires a rigorous reduction of the beam energy to reduce knockon damage. However, at the same time, the chromatic aberration deteriorates the resolution of the TEM image dramatically. Within the framework of the SALVE project, we introduce a newly developed C_{c}/C_{s} corrector that is capable of correcting both the chromatic and the spherical aberration in the range of accelerating voltages from 20 to 80 kV. The corrector allows correcting axial aberrations up to fifth order as well as the dominating off-axial aberrations...
August 12, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27473440/effects-of-lifestyle-intervention-in-brca1-2-mutation-carriers-on-nutrition-bmi-and-physical-fitness-libre-study-study-protocol-for-a-randomized-controlled-trial
#17
Marion Kiechle, Christoph Engel, Anika Berling, Katrin Hebestreit, Stephan C Bischoff, Ricarda Dukatz, Michael Siniatchkin, Katharina Pfeifer, Sabine Grill, Maryam Yahiaoui-Doktor, Ellen Kirsch, Uwe Niederberger, Ute Enders, Markus Löffler, Alfons Meindl, Kerstin Rhiem, Rita Schmutzler, Nicole Erickson, Martin Halle
BACKGROUND: Women with highly penetrant BRCA mutations have a 55-60 % lifetime risk for breast cancer and a 16-59 % lifetime risk of developing ovarian cancer. However, penetrance differs interindividually, indicating that environmental and behavioral factors may modify this risk. It is well documented that the risk for sporadic breast cancer disease can be modified by changing lifestyle factors that primarily include physical activity, dietary habits, and body weight. It can thus be hypothesized that the modification of these lifestyle factors may also influence the incidence and progression of cancer in BRCA mutation carriers...
July 29, 2016: Trials
https://www.readbyqxmd.com/read/27432516/nutritional-influences-of-overfeeding-on-experimental-outcomes-in-laboratory-mice-consequences-for-gut-microbiota-and-other-functional-studies
#18
REVIEW
Stephan C Bischoff, Valentina Volynets
Data from literature suggests that laboratory mice are often overfed and malnourished. This might have several reasons, including: (i) we usually offer an ad libitum diet, which is not the natural way of feeding for a wild mouse; (ii) many commercial diets we use contain rather high amounts of carbohydrates, particularly of sugars, and low amounts of fat; and (iii) laboratory mice live in a warm and constricted environment in which energy expenditure is lower than in the wild. Such selective or global overfeeding in laboratory mice, which resembles the widespread overfeeding in humans, although it does not always result in overweight, likely affects a number of outcome variables analyzed in laboratory mice, such as microbiota composition and function, metabolic alterations, longevity, intestinal permeability and inflammation...
August 2016: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/27404046/loss-of-lipopolysaccharide-binding-protein-attenuates-the-development-of-diet-induced-non-alcoholic-fatty-liver-disease-in-mice
#19
Cheng Jun Jin, Anna Janina Engstler, Doreen Ziegenhardt, Stephan C Bischoff, Christian Trautwein, Ina Bergheim
BACKGROUND AND AIM: It has been suggested in several studies that an increased translocation of bacterial lipopolysaccharide (LPS) and, subsequently, an activation of toll-like receptor (TLR)-dependent signaling pathways in the liver may contribute to the development of non-alcoholic fatty liver disease. METHODS: Eight-week-old lipopolysaccharide-binding protein (LBP)-/- and wild-type (WT) mice were pair fed either a liquid diet rich in fat, fructose, and cholesterol (Western-style diet [WSD]) or a control liquid diet for 8 weeks...
March 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27223303/impact-of-a-high-fat-or-high-fiber-diet-on-intestinal-microbiota-and-metabolic-markers-in-a-pig-model
#20
Sonja N Heinritz, Eva Weiss, Meike Eklund, Tobias Aumiller, Charlotte M E Heyer, Sabine Messner, Andreas Rings, Sandrine Louis, Stephan C Bischoff, Rainer Mosenthin
To further elaborate interactions between nutrition, gut microbiota and host health, an animal model to simulate changes in microbial composition and activity due to dietary changes similar to those in humans is needed. Therefore, the impact of two different diets on cecal and colonic microbial gene copies and metabolic activity, organ development and biochemical parameters in blood serum was investigated using a pig model. Four pigs were either fed a low-fat/high-fiber (LF), or a high-fat/low-fiber (HF) diet for seven weeks, with both diets being isocaloric...
May 23, 2016: Nutrients
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