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megacolon in adulthood after surgical treatment of Hirschsprung's disease in early childhood

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World Journal of Gastroenterology 2005年第36期11卷 5742-5745页

作者： christoph r.Werner Gisela Stoltenburg-Didinger Henning Weidemann christoph Benckert marco Schmidtmann Ivo r.van der Voort Viola Andresen Burghard F.Klapp Peter Neuhaus Bertr.m Wiedenmann Hubert mnnikes Depar.ment of medicine Division of Hepatology and Gastroenterology Charite Campus Virchow-Klinikum Universitatsmedizin Berlin Augustenburger Platz 1 13353 Berlin Germany Depar.ment of Neuropathology Charité Campus Virchow-Klinikum Universittsmedizin Berlin Augustenburger Platz 1 13353 Berlin Germany Depar.ment of General Visceral and Transplantation Surgery Charité Campus Virchow-Klinikum Universittsmedizin Berlin Augustenburger Platz 1 13353 Berlin Germany Depar.ment of medicine Division of Psychosomatic medicine and Psychotherapy Charité Campus Virchow-Klinikum Universittsmedizin Berlin Augustenburger Platz 1 13353 Berlin Germany Depar.ment of medicine Division of Hepatology and Gastroenterology Charité Campus Virchow-Klinikum Universittsmedizin Berlin Augustenburger Platz 113353 Berlin Germany

Hirschsprung＇s disease （HD） is a disorder associated with congenital malformation of the enteric nervous system with segmental aganglionosis. Prevailing therapy includes a resection of the affected part of the bowel, However, patients often do not obtain complete functional improvement after surgical treatment. We present the case of a 25-year-old woman who had surgical treatment of lid in early childhood. After that procedure she had clinical features of constipation for years in the end, passing of stool once a week, requiring laxatives and enemas. We diagnosed an incomplete resection of the aganglionic bowel via rectal biopsy and resected the r.maining aganglionic segment. Two months after surgery the patient＇s bowel function improved to a frequency of 1-4 stools per day. We conclude that regular follow-up is required to identify lid patients with persistent alterations of bowel function after surgery. In patients presenting with constipation, recognition of a r.maining aganglionic segment or other alterations of the enteric nervous system should be aimed at in an early stage. 2005 The WJG Press and Elsevier Inc. All rights reserved

关键词： Hirschsprung's disease megacolon Surgicaltreatment Constipation

Convergent patterns in multitrophic biodiversity effects on yield across ecosystems

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Science China(Life Sciences) 2023年第11期66卷 2697-2699页

作者： christoph Scherber Leibniz Institute for the Analysis of Biodiversity Change(LIB) Museum KoenigCentre for Biodiversity Monitoring and Conservation ScienceBonn 53113Germany Institute of Evolutionary Biology and Ecology University of BonnBonn 53113Germany

In ecosystems managed for food or fiber production,there is often no space for *** example,intensive cereal monocultures are usually managed towards optimized yields using herbicides,fungicides and *** such systems,biodiversity is essentially unwanted,except maybe when it improves soil health or carbon ***,it has been difficult to convincingly show if and where biodiversity is economically important in intensive production systems.

关键词： ecosystems soil biodiversity

Nitrapyrin effectiveness in reducing nitrous oxide emissions decreases at low doses of urea in an Andosol

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Pedosphere 2021年第2期31卷 303-313页

作者： mayela mONGE-mUÑOZ Segundo UrQUIAGA christoph mÜller Juan Carlos CAmBrONErOHEINrICHS mohammad ZAmAN Cristina CHINCHILLA-SOTO Azam BOrZOUEI Khadim DAWAr Carlos E.rODrÍGUEZ-rODrÍGUEZ Ana Gabriela PÉrEZ-CASTILLO Environmental Pollution research Center(CICA) University of Costa RicaMontes de Oca 11501(Costa Rica) Embrapa Agrobiology Rod.BR 465km 7SeropédicaRJCEP 23891-000(Brazil) Institute of Plant Ecology Justus Liebig University GiessenHeinrich-Buff Ring 26Giessen 35392(Germany) School of Biology and Environmental Science University College DublinBelfieldDublin 4(Ireland) Soil and Water.management&Crop Nutrition Section Joint FAO/IAEA Division of Nuclear Techniques in Food and AgricultureDepartment of Nuclear Sciences and ApplicationsInternational Atomic Energy AgencyVienna International CentreVienna 1400(Austria) Nuclear Agriculture research School Nuclear Science and Technology Research Institute(NSTRI)Karaj ***(Iran) Depar.ment of Soil and Environmental Sciences University of AgriculturePeshawar 25000(Pakistan)

In the tropics,frequent nitrogen(N)fertilization of grazing areas can potentially increase nitrous oxide(N_(2)O)*** application of nitrification inhibitors has been reported as an effective management practice for potentially reducing N loss fr.m the soil-plant system and improving N use efficiency(NUE).The aim of this study was to determine the effect of the co-application of nitrapyrin(a nitrification inhibitor,NI)and urea in a tropical Andosol on the behavior of N and the emissions of N_(2)O fr.m autotrophic and heterotrophic nitrification.A greenhouse exper.ment was performed using a soil(pH 5.9,organic matter content 78 g kg^(-1),and N 5.6 g kg^(-1))sown with Cynodon nlemfuensis at 60%water-filled pore space to quantify total N_(2)O emissions,N_(2)O derived fr.m fertilizer,soil ammonium(NH_(4)^(+))and nitrate(NO_(3)^(-)),and *** study included treatments that received deionized water only(control,NI).No significant differences were observed in soil NH_(4)^(+)content between the Ur and Ur+NI treatments,probably because of soil mineralization and NO_(3)^(-)produced by heterotrophic nitrification,which is not effectively inhibited by *** 56 d,N_(2)O emissions in Ur(0.51±0.12 mg N_(2)O-N concluded that the soil organic N mineralization and heterotrophic nitrification are the main processes of NH_(4)^(+)and NO_(3)^(-)***,it was found that N_(2)O emissions were partially a consequence of the direct oxidation of the soil's organic N via heterotrophic nitrification coupled to ***,the results suggest that nitrapyrin would likely exert significant mitigation on N_(2)O emissions only if a substantial N surplus exists in soils with high organic matter content.

关键词： autotrophic nitrification heterotrophic nitrification mineral N ^(15)N tracer nitrification inhibitor tropical grass

Advances in selenium supplementation:Fr.m selenium-enriched yeast to potential selenium-enriched insects,and selenium nanoparticles

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Animal Nutrition 2023年第3期14卷 193-203页

作者： Luca Ferrari Donata m.I.r.Cattaneo rossella Abbate michele manoni matteo Ottoboni Alice Luciano christoph von Holst Luciano Pinotti Depar.ment of Veterinary medicine and Animal Sciences(DIVAS) Universita degli Studi di Milano26900 LodiItaly European Commission Joint Research Centre(JRC)2440 GeelBelgium CrC I-WE(Coordinating research Centre:Innovation for Well-Being and Environment) Universita degli Studi di Milano20133 MilanItaly

Selenium(Se)is an essential micronutrient that plays an important role in animal and human development and physiological *** review surveys the role of Se in the environment,plants and animal bodies,and discusses data on Se biofortification with different sources of supplementation,fr.m inorganic to organic forms,with special focus on Se-enriched yeast(Se-yeast).Although Se-yeast r.mains one of the main sources of organic Se,other emerging and innovative sources are reviewed,such as Se-enriched insects and Se-nanoparticles and their potential use in animal ***-enriched insects are discussed as an option for supplying Se in organic form to livestock ***-nanoparticles are also discussed,as they represent a more biocompatible and less toxic source of inorganic Se for animal organisms,compared to selenite and *** also provide up to date information on the legal fr.mework in the EU,USA,and Canada of Se that is contained in feed *** the scientific evidence available in the literature,it can be concluded that among the inorganic forms,sodium selenite is still one of the main options,whereas Se-yeast r.mains the pr.mary organic ***,other potential sources such as Se-enriched insects and Se-nanoparticles are being investigated as they could potentially combine a high bioavailability and reduced Se emissions in the environment.

关键词： Selenium Selenium-enriched yeast Selenium nanoparticle Selenium-enriched insect Speciation analysis

Scientific guidelines for preclinical research on potentised preparations manufactured according to current pharmacopoeias-the PrePoP guidelines

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Journal of Integrative medicine 2024年第5期22卷 533-544页

作者： Alexander L.Tournier Leoni V.Bonamin Susann Buchheim-Schmidt Steven Cartwright christoph Dombrowsky Paul Doesburg Carla Holandino maria Olga Kokornaczyk Everine Bvan de Kraats Jesús Antonio López-Carvallo Papiya Nandy Josémanuel mazón-Suástegui Fateme mirzajani Bernard Poitevin Claudia Scherr Karin Thieves Sandra Würtenberger Stephan Baumgartner Institute of Complementary and Integrative medicine University of Bern3010 BernBernSwitzerland Institute of Integrative medicine Witten/Herdecke University58455 WittenNorth Rhine–WestphaliaGermany Homeopathy research Institute London SW74EFUnited Kingdom Graduate Progr.m on Environmental and Exper.mental Pathology Paulista UniversitySão Paulo 01504-000São PauloBrazil Depar.ment of medical Science Deutsche Homöopathie-Union DHU-Arzneimittel GmbH&Co.KG76227 KarlsruheBaden-WürttembergGermany Cherwell Laboratory for Fundamental research in Homeopathy Oxford OX28NUOxforeshireUnited Kingdom Society for Cancer research Hiscia Research Institute4144 ArlesheimBaselSwitzerland Laboratório multidisciplinar de Ciências Farmacêuticas Universidade Federal do Rio de JaneiroRio de Janeiro 21941-902Rio de JaneiroBrazil World Water Community Rotterdam 3029AKthe Netherlands Departamento de Acuicultura Facultad de Ciencias del MarUniversidad Católica del Norte1790437 CoquimboElquiChile Centre for Interdisciplinary research and Education KolkataWest Bengal 700068West BengalIndia Laboratorio de Homeopatía Acuícola y Semillas marinas Centro de Investigaciones Biológicas del NoroesteLa Paz 23096Baja California SurMexico Protein research Center Shahid Beheshti UniversityTehran ***Iran Depar.ment of medical Laboratory Science College of ScienceKnowledge University44001 ErbilErbilIraq SociétéSavante d’Homéopathie 75009 ParisFrance Sola Salus Institute for Homeopathic Research52511 GeilenkirchenNorth Rhine–WestphaliaGermany Scientific Society for Homeopathy 06366 KöthenSaxony-AnhaltGermany

Objective Pharmacopoeias regulate the manufacture of potentised pharmaceutical preparations used in different branches of complementary and integrative *** physicochemical properties and biological activity of these preparations are often investigated in preclinical research,yet no guidelines for exper.mental research currently exist in this *** present PrePoP guidelines aim to provide recommendations to pr.mote high-quality,statistically sound,and reproducible preclinical research on potentised *** Input was gathered fr.m researchers nominated by the relevant scientific societies using a simplified Delphi consensus approach covering the most relevant aspects of basic research methodology in the field including appropriate controls,sample preparation and handling,and *** three rounds of feedback,a consensus was finally reached on the most important aspects and considerations for conducting high-quality research on potentised *** We present a series of recommendations on a range of topics including exper.mental controls,system stability,blinding and randomisation,environmental influences,and procedures for the preparation of potentised samples and controls,and we address some specific challenges of this research *** This expert consensus process resulted in a robust set of methodological guidelines for research on potentised preparations and provides a valuable fr.mework that will inform and improve the quality of subsequent research in this emerging field.

关键词： research guidelines Fundamental research Basic research Complementary and integrative medicine Potentisation Potentised preparations

Effects of the nitrification inhibitor nitrapyrin and tillage practices on yield-scaled nitrous oxide emission fr.m a maize field in Iran

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Pedosphere 2021年第2期31卷 314-322页

作者： Azam BOrZOUEI Ulo mANDEr Alar TEEmUSK Alberto SANZ-COBENA mohammad ZAmAN Dong-Gill KIm christoph mÜller Ali Askary KELESTANIE Parvaneh SAYYAD AmIN Ebrahim mOGHISEH Khadim DAWAr Ana Gabriela PÉrEZ-CASTILLO Agricultural research School Nuclear Science and Technology Research InstituteKaraj 31465-1498(Iran) Institute of Ecology and Earth Sciences University of TartuTartu 51014(Estonia) Higher Technical School of Engineering(ESTI) Technical University of MadridMadrid 28040(Spain) Soil and Water.management&Crop Nutrition Joint Food and Agriculture Organization of the United Nations(FAO)/International Atomic Energy Agency(IAEA)Division of Nuclear Techniques in Food&AgricultureVienna A-1400(Austria) Wondo Genet College of Forestry and Natural resources Hawassa UniversityP.O.Box 128Shashemene(Ethiopia) Depar.ment of Plant Ecology University GiessenHeinrich-Buff-Ring 26Giessen D-35392(Germany) School of Biology and Environmental Science University College DublinBelfield D04 V1W8(Ireland) Faculty of Agriculture and Natural resources University of GorganGorgan ***(Iran) Depar.ment of Agronomy and Plant Breeding College of Agriculture and Natural ResourcesUniversity of TehranKaraj ***(Iran) Depar.ment of Soil and Environmental Sciences Agricultural University PeshawarPeshawar 25130(Pakistan) Center of Environmental Contamination Investigation University of Costa RicaMountains of Oca 1150(Costa Rica)

Nitrification inhibitors can effectively decrease nitrification rates and nitrous oxide(N_(2)O)emission while increasing crop yield under certain ***,there is no information available on the effects of nitrification inhibitors and tillage practices on N_(2)O emissions fr.m maize cropping in *** study how tillage practices and nitrapyrin(a nitrification inhibitor)affect N_(2)O emission,a split factorial exper.ment using a completely randomized block design with three replications was carried out in Northeast Iran,which has a cold semiarid *** main plots were created with conventional tillage and minimum tillage levels,and two nitrogen(N)fertilizer(urea)management systems(with and without nitrapyrin application)were created as *** level did not have any significant effect on soil ammonium(NH_(4)^(+))and nitrate(NO_(3)^(-))concentrations,cumulative amount and yield-scaled N_(2)O emission,and aboveground biomass of maize,whereas nitrapyrin application showed significant *** application significantly reduced the cumulative amount of N_(2)O emission by 41%and 32%in conventional tillage and minimum tillage practices,respectively.A reduction in soil NO_(3)^(-)concentration by nitrapyrin was also *** average yield-scaled N_(2)O emission was 13.6 g N_(2)O-N kg^(-1)N uptake in both tillage systems without nitrapyrin application and was significantly reduced to 7.9 and 8.2 g N_(2)O-N kg^(-1)N uptake upon the application of nitrapyrin in minimum tillage and conventional tillage practices,***,nitrapyrin application increased maize biomass yield by 4%and 13%in the minimum tillage and conventional tillage systems,*** results indicate that nitrapyrin has a potential role in reducing N_(2)O emission fr.m agricultural systems where urea fertilizers are broadcasted,which is common in Iran due to the practice of traditional farming.

关键词： conventional tillage cumulative emission minimum tillage nitrogen use efficiency N_(2)O flux soil inorganic nitrogen urea

The pH of the Apoplast： Dynamic Factor with =unctional Impact Under Stress

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molecular Plant 2017年第11期10卷 1371-1386页

作者： christoph-martin Geilfus Division of Controlled Environment Horticulture Faculty of Life Sciences Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences Humboldt-University of Berlin Albrecht-Thaer-Weg 1 14195 Berlin Germany

The apoplast is an interconnected compar.ment with a thin water-film that alkalinizes under stress. This systemic pH increase may be a secondary effect without functional implications, arising fr.m ion movements or proton-pump regulations. On the other hand, there are increasing indications that it is part of a mechanism to withstand stress. regardless of this controversy, alkalinization of the apoplast has received little attention. The apoplastic pH （PHapo） increases not only during plant-pathogen interactions but also in response to salinity or drought. Not much is known about the mechanisms that cause the leaf apoplast to alkalinize, nor whether, and if so, how functional impact is conveyed. Controversial explanations have been given, and the unusual complexity of pHapo regulation is considered as the pr.mary reason behind this lack of knowledge. A gathering of scattered information revealed that changes in PHapo convey functionality by regulating stomatal aperture via the effects exerted on abscisic acid. moreover, apoplastic alkalinization may regulate growth under stress, whereas this needs to be verified. In this review, a comprehensive survey about several physiological mechanisms that alkalize the apoplast under stress is given, and the suitability of apoplastic alkalinization as transducing element for the transmission of sensory information is discussed.

关键词： apoplastic fluid alkalinization abscisic acid Pm-H^+-ATPase S-Type anion channel malate

Solid-pseudopapillary tumor of the pancreatic tail

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World Journal of Gastroenterology 2005年第26期11卷 4117-4119页

作者： Frank Eder Hans-Ulrich Schulz christoph r(o|¨)cken Hans Lippert Depar.ment of General Surgery Depar.ment of General Surgery Otto-von-Guericke-University Medical Faculty Leipziger StraBe 44 Magdeburg D-39120 Germany Institute of Pathology Otto-von-Guericke-University Medical Faculty Leipziger Str. 44 Magdeburg D-39120 Germany

We report a case of the rare solid-pseudopapillary tumor of the pancreas. In contrast to other pancreatic tumors,the solid-pseudopapillary tumor has a favorable *** 60-year-old female patient we report on here was treated by left pancreatic resection combined with splenectomy for a non-metastasizing tumor of the pancreas. A solid-pseudopapillary tumor was found on histology. The patient had no signs of metastases at *** a microscopically invasive tumor growth is assumed,oncologically curative resection should be preferred vs the less radical enucleation. The rare solid-pseudopapillary tumor of the pancreas has a good prognosis after successful oncological resection.

关键词： Pancreas Solid-pseudopapillary tumor

Which species discovers novel food sources first?A camera trap study in a natural environment

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Avian research 2021年第3期12卷 421-424页

作者： christoph randler Depar.ment of Biology Eberhard Karls University TuebingenAuf der Morgenstelle 2472070 TuebingenGermany

Birds underlie a predation-starvation risk,and foraging should show a diurnal/circadian *** traps were used to study visitation patterns and discovery of a novel food source in woodland birds in SW Germany.A total of 18 species occurred at feeders with nine of them being exploratory *** Tits(Parus major)discovered novel food sources first in most instances,and first discoveries occurred on average at 10:38,while it took 97 h for the first detection of the food *** size was correlated with *** study supports the predation-starva-tion risk hypothesis with discovery of food sources in the morning.

关键词： Camera trap Explorative behaviour Foraging behaviour Novel food source Starvation predation trade-off