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Why interleukin-10 supplementation does not work in Crohn's disease patients

World Journal of Gastroenterology 2013年第25期19卷 3931-3941页

作者： Gareth J Marlow dominique van gent Lynnette R Ferguson Discipline of Nutrition Faculty of Medical and Health Sciences The University of Auckland Auckland 1142 New Zealand Gareth J Marlow Lynnette R Ferguson Nutrigenomics New Zealand The University of Auckland

Inflammatory bowel diseases (IBD) such as Crohn's disease (CD) or ulcerative colitis are chronic intestina disorders, which are on the increase in "Westernised" countries. IBD can be caused by both genetic and environmental factors. Interleukin-10 (IL-10) is an immunoregulatory cytokine that has been identified as being involved in several diseases including IBD. Studies have shown that polymorphisms in the promoter region reduce serum levels of IL-10 and this reduction has been associated with some forms of IBD. Mouse models have shown promising results with IL-10 supplementation, as such IL-10 supplementation has been touted as being a possible alternative treatment for CD in humans. Clinical trials have shown that recombinant human IL-10 is safe and well tolerated up to a dose o 8 μg/kg. However, to date, the results of the clinica trials have been disappointing. Although CD activity was reduced as measured by the CD activity index IL-10 supplementation did not result in significantly reduced remission rates or clinical improvements when compared to placebo. This review discusses why IL-10supplementation is not effective in CD patients currently and what can be addressed to potentially make IL-10 supplementation a more viable treatment option in the future. Based on the current research we conclude that IL-10 supplementation is not a one size fits all treatment and if the correct population of patients is chosen then IL-10 supplementation could be of benefit.

关键词： Inflammatory bowel disease Crohn’s disease Interleukin-10 Recombinant human interleukin-10

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Imaging Mass Cytometry:A promising multiplex detection tool for plant science research

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Molecular Plant 2021年第8期14卷 1241-1243页

作者： Olivier Leroux Taunia Closson dominique van Der Straeten Ghent University Laboratory of Functional Plant BiologyK.L.Ledeganckstraat 359000 GentBelgium Fluidigm Corporation MarkhamONCanada

In recent years there has been an increased tendency to shift from sin gle-marker immuno histochemistry toward multiplexed marker in situ *** latter approach allows detection of the spatial distribution of multiple markers in a single tissue section and enables investigation of marker interaction,hence greatly improving our understanding of tissue physiology.

关键词： hence enable latter

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Regulation of Plant Vitamin Metabolism:Backbone of Biofortification for the Alleviation of Hidden Hunger

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Molecular Plant 2021年第3期14卷 40-60页

作者： Ling Jiang Simon Strobbe dominique van Der Straeten Chunyi Zhang Biotechnology Research Institute Chinese Academy of Agricultural SciencesBeijing 100081P.R.China Laboratory of Functional Plant Biology Ghent UniversityK.L.Ledeganckstraat 359000 GhentBelgium These authors contributed equally to this work

Micronutrient deficiencies include shortages of vitamins and *** affect billions of people and are associated with long-range effects on health,learning ability,and huge economic *** of multiple micronutrients can play an important role in combating *** challenge,however,is to balance plant growth with nutrient requirements for ***,we summarize the major progress about vitamin biosynthesis and its response to the changing *** discuss the interactions among vitamins as well as possible strategies for vitamin ***,we propose to integrate new breeding technologies with metabolic pathway modification to facilitate the biofortification of crops,thereby alleviating the hidden hunger of target populations.

关键词： vitamins biosynthesis regulatory mechanisms biofortification hidden hunger

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N-terminal truncated RHT-1 proteins generated by translational reinitiation cause semi-dwarfing of wheat Green Revolution alleles

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Molecular Plant 2021年第4期14卷 679-687页

作者： Karel van De Velde Stephen GThomas Floor Heyse Rim Kaspar dominique van Der Straeten Antje Rohde BASF Belgium Coordination Center-Innovation Center gent Technologiepark 101.9052 GhentBelgium Rothamsted Research HarpendenHertfordshire AL52JQUK Laboratory of Functional Plant Biology Department of BiologyGhent UniversitK.L.Ledeganckstrat 359000 GhentBelgium

The unprecedented wheat yield increases during the Green Revolution were achieved through the introduc-tion of the Reduced height(Rht)-B1b and Rht-D1b semi-dwarfing *** Rht-1 alleles encode growth-repressing DELLA genes containing a stop codon within their open reading frame that confers gibberellin(GA)-insensitive *** this study,we successfully took the hurdle of detecting wild-type RHT-1 proteins in different wheat organs and confirmed their degradation in response to *** further demonstrated that Rht-B1b and Rht-D1b produce N-terminal truncated proteins through trans-lational *** of these N-terminal truncated proteins in transgenic lines and in Rht-D1c,an allele containing multiple Rht-D1b copies,demonstrated their ability to cause strong dwarfism,resulting from their insensitivity to GA-mediated degradation.N-terminal truncated proteins were detected in spikes and nodes,but not in the aleurone *** Rht-B 1b and Rht-D1b alleles cause dwarfism but have wild-type dormancy,this finding suggests that tissue-specific differences in translational reinitiation may explain why the Rht-1 alleles reduce plant height without affecting *** together,our findings not only reveal the molecular mechanism underlying the Green Revolution but also demonstrate that trans-lational reinitiation in the main open reading frame occurs in plants.

关键词： gibberellin(GA)signaling DELLA Rht-1 dwarfing ales Green Revolution wheat translational reinitiation

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Photoreceptor-Mediated Bending towards UV-B in Arabidopsis

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Molecular Plant 2014年第6期7卷 1041-1052页

作者： Filip vandenbussche Kimberley Tilbrook Ana Carolina Fierro Kathleen Marchal Dirk Poelman dominique van Der Straeten Roman UIm boratory of Functional Plant Biology Department of Physiology Faculty of Sciences Ghent University B-9000 Ghent Belgium Department of Botany and Plant Biology Sciences III University of Geneva CH-1211 Geneva 4 Switzerland Department of Microbial and Molecular Systems Faculty of Bioscience Engineering KU Leuven B-3001 Heverlee Belgium Department of Plant Biotechnology and Bioinformatics Faculty of Sciences Ghent University B-9000 Ghent Belgium Department of Information Technology IMinds Faculty of Sciences Ghent University B-go00 Ghent Belgium Lumilab Department of Solid State Sciences Faculty of Sciences Ghent University B-9000 Ghent Belgium

Plants reorient their growth towards light to optimize photosynthetic light capture--a process known as phototropism. Phototropins are the photoreceptors essential for phototropic growth towards blue and ultraviolet-A （UV- A） light. Here we detail a phototropic response towards UV-B in etiolated Arabidopsis seedlings. We report that early differential growth is mediated by phototropins but clear phototropic bending to UV-B is maintained in photl phot2 double mutants. We further show that this phototropin-independent phototropic response to UV-B requires the UVoB photoreceptor UVR8. Broad UV-B-mediated repression of auxin-responsive genes suggests that UVR8 regulates directional bending by affecting auxin signaling. Kinetic analysis shows that UVR8-dependent directional bending occurs later than the phototropin response. We conclude that plants may use the full short-wavelength spectrum of sunlight to efficiently reorient photosynthetic tissue with incoming light.

关键词： phototropism UV-B auxin UVR8 Arabidopsis,

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Nutritional and vitamin status in patients with neuroendocrine neoplasms

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World Journal of Gastroenterology 2019年第10期25卷 1171-1184页

作者： dominique SVM Clement Margot ET Tesselaar Monique E van Leerdam Rajaventhan Srirajaskanthan John K Ramage Neuroendocrine Tumour Unit King’s College Hospital ENETS Centre of Excellence Department of Medical Oncology Netherlands Cancer Institute ENETS Centre of Excellence Department of Gastrointestinal Oncology Netherlands Cancer Institute Department of Gastroenterology King’s College Hospital

Symptoms of gastroenteropancreatic located neuroendocrine neoplasms(GEPNENs) are often related to food intake and manifest as abdominal pain or diarrhoea which can influence patients nutritional status. Malnutrition is common in cancer patients and influences quality of life, treatment options and survival but is also present in up to 40% of patients with GEP-NENs. As part of malnutrition there are often deficiencies in fat-soluble vitamins, mainly vitamin D. Little knowledge exists on trace elements. Several factors influence the development of malnutrition such as size and localisation of the primary tumour as well as metastases, side effects from treatment but also hormone production of the tumour itself. One of the main influencing factors leading to malnutrition is diarrhoea which leads to dehydration and electrolyte disturbances. Treatment of diarrhoea should be guided by its cause. Screening for malnutrition should be part of routine care in every GEP-NEN patient. Multidisciplinary treatment including dietician support is necessary for all malnourished patients with GEP-NENs.

关键词： Neuroendocrine neoplasm Nutrition Malnutrition Vitamin deficiency Diarrhoea Steatorrhoea

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Decision aids can decrease decisional conflict in patients with hip or knee osteoarthritis: Randomized controlled trial

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World Journal of Orthopedics 2021年第12期12卷 1026-1035页

作者： Lode A van Dijk Antonius MJS Vervest dominique C Baas Rudolf W Poolman Daniel Haverkamp Department of Orthopedic Surgery Tergooi HospitalHilversum 1213 XZNoord-HollandNetherlands Department of Orthopedic Surgery Onze Lieve Vrouwe GasthuisAmsterdam 1091 ACNetherlands Department of Orthopedic Surgery Leiden University Medical CentreLeiden 2333 ZANetherlands Department of Orthopedic Surgery Xpert Orthopedie Amsterdam/SCORE(Specialized Center of Orthopedic Research and Education)Amsterdam 1101 EANetherlands

BACKGROUND The interest in shared decision making has increased considerably over the last couple of *** aids(DAs)can help in shared decision *** when there is more than one reasonable option and outcomes between treatments are *** To investigate if the use of DAs decreases decisional conflict in patients when choosing treatment for knee or hip osteoarthritis(OA).METHODS In this multi-center unblinded randomized controlled trial of patients with knee or hip OA were included from four secondary and tertiary referral ***-thirty-one patients who consulted an orthopedic surgeon for the first time with knee or hip OA were included between December 2014 and January *** the first consultation,patients were randomly assigned by a computer to the control group which was treated according to standard care,or to the intervention group which was treated with standard care and provided with a *** the first consultation,patients were asked to complete questionnaires about decisional conflict(DCS),satisfaction,anxiety(PASS-20),gained knowledge,stage of decision making and preferred ***-up was carried out after 26 wk and evaluated decisional conflict,satisfaction,anxiety,health outcomes(HOOS/KOOS),quality of life(EQ5D)and chosen *** After the first consultation,patients in the intervention group(mean DCS:25 out of 100,SD:13)had significantly(P value:0.00)less decisional conflict compared to patients in the control group(mean DCS:39 out of 100,SD 11).The mean satisfaction score for the given information(7.6 out of 10,SD:1.8 vs 8.6 out of 10,SD:1.1)(P value:0.00),mean satisfaction score with the physician(8.3 out of 10,SD:1.7 vs 8.9 out of 10,SD:0.9)(P value:0.01)and the mean knowledge score(3.3 out of 4,SD:0.9 vs 3.7 out of,SD:0.6)(P value:0.01)were all significantly higher in the intervention *** 26-wk follow-up,only 75 of 131 patients(57%)were available for *** sample is too

关键词： Decision aid Decisional conflict Shared decision making Anxiety Hip osteoarthritis Knee osteoarthritis

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Folate Biofortification of Potato by Tuber-Specific Expression of Four Folate Biosynthesis Genes

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Molecular Plant 2018年第1期11卷 175-188页

作者： Jolien De Lepeleire Simon Strobbe Jana Verstraete Dieter Blancquaert Lars Ambach Richard G.F. Visser Christophe Stove dominique van Der Straeten Laboratory of Functional Plant Biology Department of Biology Ghent University K.L. Ledeganckstraat 35 9000 Ghent Belgium Laboratory of Toxicology Department of BioanalysisGhent University Ottergemsesteenweg 460 9000 Ghent Belgium Plant Breeding Wageningen University & Research Droevendaalsesteeg 16700 Wageningen the Netherlands These authors contributed equally to this article.

Insufficient dietary intake of micronutHents, known as ＂hidden hunger＂, is a devastating global burden, affecting two billion people. Deficiency of folates （vitamin B9）, which are known to play a central role in Cl metabolism, causes birth defects in at least a quarter million people annually. Biofortification to enhance the level of naturally occurring folates in crop plants, proves to be an efficient and cost-effective tool in fighting folate deficiency. Previously, introduction of folate biosynthesis genes GTPCHI andADCS, proven to be a successful biofortification strategy in rice and tomato, turned out to be insufficient to adequately increase folate levels in potato tubers. Here, we provide a proof of concept that additional introduction of HPPK/DHPS and/or FPGS, downstream genes in mitochonddal folate biosynthesis, enables augmenta- tion of folates to satisfactory levels （12-fold） and ensures folate stability upon long-term storage of tubers. In conclusion, this engineering strategy can serve as a model in the creation of folate-accumulating potato cultivars, readily applicable in potato-consuming populations suffedng from folate deficiency.

关键词： folate vitamin Bg malnutrition biofortification potato metabolic engineering

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Copper-uptake mediated by an ecofriendly zwitterionic ionic liquid: A new challenge for a cleaner bioeconomy

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Journal of Environmental Sciences 2023年第8期130卷 92-101页

作者： Marie E.Vuillemin Christophe Waterlot Anthony Verdin Sylvain Laclef Christine Cézard David Lesur Catherine Sarazin dominique Courcot Caroline Hadad Eric Husson Albert Nguyen van Nhien Enzyme and Cell Engineering UMR 7025 CNRSUniversity of Picardie Jules Verne-Faculty of Sciences33 rue Saint Leu80039 Amiens CedexFrance University of Lille Mines-Télécom InstituteUniversity of ArtoisJUNIAULR 4515-LGCgELaboratory of Civil Engineering and Geo-EnvironmentF-59000 LilleFrance Environmental Chemistry and Life Interactions Unit UCEIV UR4492FR CNRS 3417University of Littoral Cote d’Opale(ULCO)DunkerqueFrance Laboratory of Glycochemistry Antimicrobials and AgroresourcesUMR CNRS 7378University of Picardie Jules Verne-Faculty of Sciences33 rue Saint Leu80039 Amiens CedexFrance Institute of Chemistry of Picardie FR CNRS 3085 80039 AmiensFrance

This study aims to investigate the ability of an imidazolium biobased Zwitterionic Ionic Liquids(ZILs)in enhancing the phytoavailability of copper from garden(G)and vineyard(V)soils using the model plant *** and artificially contaminated CuSO_(4) soils,unamended and ZIL-amended soil modalities were *** copper/ZIL molar ratio(1/4)introduced was rationally established based on molecular modeling and on the maximal copper concentration in artificially contaminated *** accumulation of copper in the shoots was detected for the uncontaminated and copper contaminated ZIL amended V soils(18.9 and 23.3 mg/kg,respectively)contrary to G soils together with a ZIL concentration of around 3%(W/W)detected by LC-MS *** data evidenced a Cu-accumulation improvement of 38%and 66%compared to non-amended V soils(13.6 and 13.9 mg/kg respectively).ZIL would be mainly present under Cu(II)-ZIL_(4) complexes in the *** impact on the chemical composition of shoot was also *** results show that depending on the soils modalitity,the presence of free copper and/or ZIL led to different chemical compositions in lignin and monomeric sugar *** the biorefinery context,performances of enzymatic hydrolysis of shoots were also related to the presence of both ZIL and copper under free or complex *** assessment of the vineyard soil samples indicated that the quantity of copper and ZIL remaining in the soils had no significant *** amendment in a copper-contaminated soil was demonstrated as being a promising way to promote the valorization of phytoremediation plants.

关键词： Cu-accumulation Biobased Zwitterionic Ionic Liquid (ZIL) Enzymatic hydrolysis Ecotoxicity

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Chronotropic incompetence is more frequent in obese adolescents and relates to systemic inflammation and exercise intolerance

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Journal of Sport and Health Science 2023年第2期12卷 194-201页

作者： Wouter M.A.Franssen Charly Keytsman Nastasia Marinus Kenneth Verboven Bert O.Eijnde Lisa van Ryckeghem Paul Dendale Renate Zeevaert Guy Massa dominique Hansen Rehabilitation Research Centre(REVAL) Faculty of Rehabilitation SciencesHasselt UniversityHasselt 3500Belgium Biomedical Research Institute(BIOMED) Faculty of Medicine and Life SciencesHasselt UniversityHasselt 3500Belgium ADLON Sports Medical Center Hasselt 3500Belgium Heart Centre Hasselt Jessa HospitalHasselt 3500Belgium Department of Pediatric Endocrinology and Diabetology Jessa HospitalHasselt 3500Belgium

Background:Adults with obesity may display disturbed cardiac chronotropic responses during cardiopulmonary exercise testing,which relates to poor cardiometabolic health and an increased risk for adverse cardiovascular *** is unknown whether cardiac chronotropic incompetence(CI)during maximal exercise is already present in obese adolescents and,if so,how that relates to cardiometabolic ***:Sixty-nine obese adolescents(body mass index standard deviation score=2.23±0.32,age=14.1±1.2 years;mean±SD)and 29lean adolescents(body mass index standard deviation score=-0.16±0.84,age=14.0±1.5 years)performed a maximal cardiopulmonary exercise testing from which indicators for peak performance were *** resting heart rate and peak heart rate were used to calculate the maximal chronotropic response ***(lipid profile,glycemic control,inflammation,and leptin)was studied in fasted blood samples and during an oral glucose tolerance test within obese *** analyses were applied to examine associations between the presence of CI and blood or exercise capacity parameters,respectively,within obese ***:CI was prevalent in 32 out of 69 obese adolescents(46%)and 3 out of 29 lean adolescents(10%).C-reactive protein was significantly higher in obese adolescents with CI compared to obese adolescents without CI(p=0.012).Furthermore,peak oxygen uptake and peak cycling power output were significantly reduced(p<0.05)in obese adolescents with CI *** adolescents without *** chronotropic index was independently related to blood total cholesterol(standardized coefficientβ=-0.332;p=0.012)and C-reactive protein concentration(standardized coefficientβ=-0.269;p=0.039).Conclusion:CI is more common in the current cohort of obese adolescents,and is related to systemic inflammation and exercise intolerance.

关键词： Adolescents Cardiometabolic health Exercise tolerance Heart rate Obesity

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