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Host-parasite interactions in perpetual darkness:Macroparasite diversity in the cavefish Astyanax mexicanus

Zoological Research 2023年第4期44卷 782-792页

作者： Ana Santacruz David Hernández-Mena Ramses Miranda-Gamboa Gerardo Pérez-Ponce De León claudia patricia ornelas-garcía Departamento de Zoología Instituto de BiologíaUniversidad Nacional Autónoma de MéxicoMéxico City CP 04510México Departamento de Sistemas y Procesos Naturales Escuela Nacional de Estudios Superiores Unidad MéridaUcúYucatán CP 97357México Instituto de Energías Renovables Universidad Nacional Autónoma de MéxicoTemixcoMorelos CP 62580México Colección Nacional de Peces Departamento de ZoologíaInstituto de BiologíaUniversidad Nacional Autónoma de MéxicoMéxico City CP 04510México Stowers Institute for Medical Research Kansas CityMO 64110USA

Astyanax mexicanus has repeatedly colonized cave environments,displaying evolutionary parallelisms in many troglobitic *** being a model system for the study of adaptation to life in perpetual darkness,the parasites that infect cavefish are practically *** this study,we investigated the macroparasite communities in 18 cavefish populations from independent lineages and compared them with the parasite diversity found in their sister surface fish populations,with the aim of better understanding the role that parasites play in the colonization of new *** the cavefish populations,we identified 13 parasite taxa,including a subset of 10 of the 27 parasite taxa known for the surface *** infecting the cavefish belong to five taxonomic groups,including trematodes,monogeneans,nematodes,copepods,and *** are the most dominant group,found in 14 *** macroparasites include species with direct life cycles and trophic transmission,including invasive ***,paired comparisons indicate higher parasite richness in the cavefish than in the surface *** variation in parasite composition across the caves suggests historical and geographical contingencies in the host-parasite colonization process and potential evolution of local *** base-line data on parasite diversity in cavefish populations of *** provides a foundation to explore the role of divergent parasite infections under contrasting ecological pressures(cave *** environments)in the evolution of cave adaptive traits.

关键词： Adaptation Metazoan parasites Niche change Parasite assemblage Prevalence

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Mitochondrial phylogeography and molecular evolution of the rhodopsin visual pigment in troglobitic populations of Astyanax mexicanus(De Filippi,1853)

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Zoological Research 2023年第4期44卷 761-775页

作者： Marco A.A.Garduño-Sánchez Vladimir de Jesus-Bonilla Silvia Perea Ramses Miranda-Gamboa Andrea Herrera-garcía Mauricio de la Maza Benignos claudia patricia ornelas-garcía Colección Nacional de Peces Departamento de ZoologíaInstituto de BiologíaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoC.P.04510México Posgrado en Ciencias Biológicas Colección Nacional de PecesDepartamento de ZoologíaInstituto de BiologíaUniversidad Nacional Autónoma de MéxicoCiudad de MéxicoC.P.04510México Licenciatura en Ciencias Forenses Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCiudad UniversitariaCoyoacánMéxico CityC.P.04510México Instituto de Energías Renovables Universidad Nacional Autónoma de MéxicoTemixcoMorelos C.P.62580Mexico Facultad de Ciencias Biológicas Universidad Autónoma de Nuevo LeónCiudad UniversitariaSan Nicolás de los GarzaNuevo LeónC.P.66450México

Cave-adapted animals provide a unique opportunity to study the evolutionary mechanisms underlying phenotypic,metabolic,behavioral,and genetic evolution in response to cave *** Mexican tetra(Astyanax mexicanus)is considered a unique model system as it shows both surface and cave-dwelling *** date,at least 33 different cave populations have been identified,with phylogenetic studies suggesting an origin from at least two independent surface lineages,thereby providing a unique opportunity to study parallel *** the present study,we carried out the most exhaustive phylogeographic study of *** to date,including cave and surface localities,using two mitochondrial markers(cytochrome b(cyt b)and cytochrome c oxidase subunit I(COI))and nuclear rhodopsin visual pigment(rho).Additionally,we inferred the molecular evolution of rho within the two contrasting environments(cave and surface)and across three geographic regions(Sierra de El Abra,Sierra de Guatemala,and Micos).In total,267 individuals were sequenced for the two mitochondrial fragments and 268 individuals were sequenced for the rho visual pigment from 22 cave and 46 surface *** results based on the mitochondrial data supported the two-lineage hypothesis,except for the Pachón and Chica caves,whose introgression has been largely *** Sierra de El Abra region depicted the largest genetic diversity,followed by the Sierra de Guatemala *** the phylogeographic patterns of rho,we recovered exclusive haplogroups for the Sierra de El Abra(Haplogroup I)and Sierra de Guatemala regions(Haplogroup IV).Moreover,a 544 bp deletion in the rho gene was observed in the Escondido cave population from Sierra de Guatemala,reducing the protein from seven to three intramembrane *** change may produce a loss-of-function(LOF)but requires further *** nonsynonymous(dN)and synonymous(dS)substitution rates(omega valuesω),our results revealed

关键词： Visual pigments Selection Cavefish Vision loss Loss of function

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Genetic identification and reiterated captures suggest that the Astyanax mexicanus El Pachón cavefish population is closed and declining

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Zoological Research 2023年第4期44卷 701-711页

作者： Laurent Legendre Julie Rode Isabelle Germon Marie Pavie Carla Quiviger Maxime Policarpo Julien Leclercq Stéphane Père Julien Fumey Carole Hyacinthe patricia ornelas-garcía Luis Espinasa Sylvie Rétaux Didier Casane UniversitéParis-Saclay CNRSIRDUMRÉvolutionGénomesComportement etÉcologieGif-sur-Yvette 91190France Objectif Sciences International NGO OSI-Panthera ProgramGeneva 99140Switzerland Institut de Neuroscience Paris-Saclay UniversitéParis-Saclay and CNRSSaclay 91400France Institut Pasteur UniversitéParis CitéCNRS UMR 2000Microbial Paleogenomics UnitParis 75015France Institut Pasteur UniversitéParis CitéBioinformatics and Biostatistics HubParis 75015France Department of Genetics Harvard Medical SchoolBlavatnik InstituteBoston MA 02115USA Colección Nacional de Peces Departamento de ZoologíaInstituto de BiologíaUniversidad Nacional Autónoma de MéxicoMéxico DF CP 04510México School of Science Marist CollegePoughkeepsieNew York 12601USA UniversitéParis Cité UFR Sciences du VivantParis 75013France Zoological Institute Department of Environmental SciencesUniversity of BaselBaselSwitzerland

The sizes of Astyanax mexicanus blind cavefish populations of North-East Mexico are demographic parameters of great importance for investigating a variety of ecological,evolutionary,and conservation ***,few estimates have been *** these mobile animals living in an environment difficult to explore as a whole,methods based on capture-mark-recapture are appropriate,but their feasibility and interpretation of results depend on several assumptions that must be carefully ***,we provide evidence that minimally invasive genetic identification from captures at different time intervals(three days and three years)can give insights into cavefish population size dynamics as well as other important demographic parameters of *** also provide tools to calibrate sampling and genotyping efforts necessary to reach a given level of *** results suggest that the El Pachón cave population is currently very small,of an order of magnitude of a few hundreds of individuals,and is distributed in a relatively isolated *** probable decline in population size in the El Pachón cave since the last census in 1971 raises serious conservation issues.

关键词： Cavefish Population size Conservation Swabbing Genetic identification

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Location-based prediction model for Crohn’s disease regarding a novel serological marker,anti-chitinase 3-like 1 autoantibodies

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World Journal of Gastroenterology 2023年第42期29卷 5728-5750页

作者： Nora Sipeki patricia Julianna Kovats claudia Deutschmann Peter Schierack Dirk Roggenbuck Maria Papp Division of Gastroenterology Department of Internal MedicineFaculty of MedicineUniversity of DebrecenDebrecen H-4032Hungary Kálmán Laki Doctoral School Faculty of MedicineUniversity of DebrecenDebrecen H-4032Hungary Institute of Biotechnology Faculty Environment and Natural SciencesBrandenburg University of Technology Cottbus-SenftenbergSenftenberg 01968Germany Faculty of Health Sciences Brandenburg Brandenburg University of Technology Cottbus-SenftenbergSenftenberg 01968Germany Medipan GmbH&GA Generic Assays GmbH Dahlewitz-Berlin 15827Germany

BACKGROUND Defective neutrophil regulation in inflammatory bowel disease(IBD)is thought to play an important role in the onset or manifestation of IBD,as it could lead to damage of the intestinal mucosal barrier by the infiltration of neutrophils in the inflamed mucosa and the accumulation of *** neutrophils in the context of innate immune responses,immunoglobulin A(IgA)as an acquired immune response partakes in the defense of the intestinal *** normal conditions,IgA contributes to the elimination of microbes,but in connection with the loss of tolerance to chitinase 3-like 1(CHI3L1)in IBD,IgA could participate in CHI3L1-mediated improved adhesion and invasion of potentially pathogenic *** tolerance brake to CHI3L1 and the occurrence of IgA autoantibodies to this particular target,the exact role and underlying mechanisms of CHI3L1 in the pathogenesis of IBD are still *** To determine the predictive potential of Ig subtypes of a novel serological marker,anti-CHI3L1 autoantibodies(aCHI3L1)in determining the disease phenotype,therapeutic strategy and long-term disease course in a prospective referral cohort of adult IBD *** Sera of 257 Crohn’s disease(CD)and 180 ulcerative colitis(UC)patients from a tertiary IBD referral center of Hungary(Division of Gastroenterology,Department of Internal Medicine,Faculty of Medicine,University of Debrecen)were assayed for IgG,IgA,and secretory IgA(sIgA)type aCHI3L1 by enzyme-linked immunosorbent assay using recombinant CHI3L1,along with 86 healthy controls(HCONT).RESULTS The IgA type was more prevalent in CD than in UC(29.2%vs 11.1%)or HCONT(2.83%;P<0.0001 for both).However,sIgA subtype aCHI3L1 positivity was higher in both CD and UC patients than in HCONT(39.3%and 32.8%vs 4.65%,respectively;P<0.0001).The presence of both IgA and sIgA aCHI3L1 antibodies was associated with colonic involvement(P<0.0001 and P=0.038,respectively)in patients with *** disease behavior a

关键词： Chitinase 3-like 1 autoantibodies Crohn’s disease Ulcerative colitis Disease progression Immunoglobulin subtypes Enzyme-linked immunosorbent assay

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Antenatal use of bosentan and/or sildenafil attenuates pulmonary features in rats with congenital diaphragmatic hernia

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World Journal of Pediatrics 2014年第4期10卷 354-359页

作者： María de Lourdes Lemus-Varela Amed Soliz Belinda claudia Gómez-Meda Ana Lourdes Zamora-Perez José Manuel ornelas-Aguirre Valery Melnikov Blanca Miriam Torres-Mendoza Guillermo Moisés Zúñiga-González Division of Neonatology High Specialty Medical UnitPediatric HospitalWestern National Medical CenterMexican Social Security InstituteGuadalajaraJaliscoMéxico Neonatal Intensive Care Unit Division of NeonatologyMiami Children's HospitalMiami FLDUSA Molecular Biology in Medicine Institute Molecular Biology and Genomic DepartmentHealth Sciences University CenterUniversity of GuadalajaraGuadalajaraJaliscoMéxico Odontology Research Institute Integrated Odontology Clinic DepartmentHealth Sciences University CenterUniversity of GuadalajaraGuadalajaraJaliscoMéxico Pathology Department High Specialty Medical UnitNorth-western National Medical CenterMexican Social Security InstituteCiudad ObregónSonoraMéxico School of Medicine University of ColimaColimaMéxico Division of Neurosciences Western Biomedical Research CenterMexican Social Security Institute and Department of ClinicsHealth Sciences University CenterUniversity of GuadalajaraGuadalajaraJaliscoMéxico Mutagenesis Laboratory Western Biomedical Research CenterMexican Social Security InstituteGuadalajaraJaliscoMéxico

Background:Lung hypoplasia,pulmonary persistent hypertension of the newborn and its morphological changes are the main features in congenital diaphragmatic hernia(CDH).This study was undertaken to investigate if antenatal use of sildenafil and/or bosentan attenuates vascular remodeling,promotes branching,and improves alveolarization in experimental nitrofeninduced ***:Nitrofen(100 mg)was gavage-fed to pregnant rats at post conception day(PCD)9 to induce *** rats were randomized to 5 groups:1)control;2)nitrofen;3)nitrofen+sildenafil 100 mg/kg per day at PCD 16-20;4)nitrofen+bosentan 30 mg/kg per day,at PCD 16-20,and 5)nitrofen+bosentan+sildenafil,same doses and administration *** cesarean delivery,the offsprings were sacrifi *** diaphragmatic defect and pulmonary hypoplasia were identified,and the lungs were *** wall thickness,bronchiolar density and alveolarization were ***:The offsprings with CDH were characterized by severe pulmonary hypoplasia(lung weight-to-body weight ratio:0.0263[95%confidence interval(CI)0.0242-0.0278)]in the nitrofen group versus 0.0385(95%CI 0.0355-0.0424)in the control group(P=0.0001).Pulmonary arterial wall thickness was decreased to 3.0(95%CI 2.8-3.7)μm in the nitrofen+sildenafil group versus 5.0(95%CI 4.1-4.9)μm in the nitrofen group(P=0.02).Terminal bronchioles increased to 13.7(95%CI 10.7-15.2)μm in the nitrofen+bosentan group in contrast to 8.7(95%CI 7.2-9.4)μm in the nitrofen group(P=0.002).More significant differences(P=0.0001)were seen in terminal bronchioles in the nitrofen+sildenafil+bosentan group than in the nitrofen group[14.0(95%CI 12.5-15.4)μm versus 8.5(95%CI 7.1-9.3)μm].Pulmonary arterial wall thickness was also decreased in the former ***:In this rat model,antenatal treatment with sildenafil attenuates vascular *** promotes the development of terminal bronchioles in nitrofen-induced CDH.

关键词： antenatal treatment bosentan congenital diaphragmatic hernia pulmonary hypoplasia sildenafil

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Mortality by Parasitization in the Association between <i>Diachasmimorpha tryoni</i>(Hymenoptera: Braconidae) and <i>Ceratitis capitata</i>(Diptera: Tephritidae) under Field-Cage Conditions

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Natural Science 2014年第17期6卷 1267-1274页

作者： patricia Albornoz Medina Laura patricia Bezdjian Laura patricia Bezdjian Pablo Schliserman claudia Fidelis-Marinho Sergio Marcelo Ovruski Laboratorio de Investigaciones Ecoetoló gicas de Moscas de la Fruta y sus Enemigos Naturales (LIEMEN) Divisi&oacute n Control Bioló gico de Plagas Planta Piloto de Procesos Industriales Microbiol&oacute gicos y Biotecnologí a (PROIMI)—CCT Tucumá n—CONICET Tucum&aacute n Argentina

Ceratitis capitata (Wiedemann) is one of the major pests currently affecting world fruit production. In Argentina’s northern Citrus-producing regions, C. capitata is actively multiplying in large exotic host fruits, such as Citrus paradisi Macfadyen (grapefruit), Citrus aurantium L. (sour orange) and Citrus sinensis L. (Osbeck) (sweet orange). Faced with this situation, the use of parasitoids as biocontrol agents is currently receiving renewed attention as a new biological tool for controlling pestiferous fruit flies within the Argentinean National Fruit Fly Control and Eradication Program (ProCEM). Consequently, a viable approach to controlling C. capitata involves the use of exotic parasitoids such as Diachasmimorpha tryoni (Cameron). In this study, the effectiveness of D. tryoni females to find and successfully parasitize C. capitata larvae infesting all Citrus species mentioned earlier was assessed. Parasitoids were allowed to forage for 8 h on grapefruits and oranges artificially infested with laboratory-reared C. capitata larvae under natural environmental conditions (field cage). Parasitoid emergence, parasitism, overall effectiveness, and sex ratio of parasitoid offspring were estimated as response variables. The higher effectiveness of D. tryoni females recorded from C. sinensis would be mainly a result of both increased host density per unit of fruit surface area and fruit physical features. The study provides evidence that D. tryoni contributed to C. capitata mortality in all Citrus species assessed. However, the mortality values recorded from C. sinensis, C. aurantium, and C. paradisi did not exceed 10%, 1.5%, and 1.7%, respectively. Nonetheless, D. tryoni might be selected to forage under both high and low host density conditions.

关键词： Fruit Fly Citrus Parasitoid Biological Control Argentina

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8-Hydroxyquinolylnitrones as multifunctional ligands for the therapy of neurodegenerative diseases

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Acta Pharmaceutica Sinica B 2023年第5期13卷 2152-2175页

作者： Damijan Knez Daniel Diez-Iriepa Mourad Chioua Andrea Gottinger Milica Denic Fabien Chantegreil Florian Nachon Xavier Brazzolotto Anna Skrzypczak-Wiercioch Ane Meden Anja Pilar Janko Kos Simon akelj Jure Stojan Kinga Saat Julia Serrano Ana patricia Fernández Aitana Sánchez-garcía Ricardo Martínez-Murillo claudia Binda Francisco López-Muoz Stanislav Gobec JoséMarco-Contelles University of Ljubljana Faculty of PharmacyLjubljana 1000Slovenia Laboratory of Medicinal Chemistry(Institute of Organic Chemistry CSIC)Madrid 28006Spain Departamento de Química Orgánicay Química Inorgánica Alcaláde HenaresMadrid 28871Spain Department of Biology and Biotechnology University of PaviaPavia 27100Italy Département de Toxicologie et Risques Chimiques Institut de Recherche Biomédicale des ArméesParis 91220France Department of Animal Anatomy and Preclinical Sciences University Centre of Veterinary Medicine JU-UAUniversity of Agriculture in KrakowKrakow 30-059Poland Institute of Biochemistry Faculty of MedicineUniversity of LjubljanaLjubljana 1000Slovenia Department of Pharmacodynamics Chair of PharmacodynamicsFaculty of PharmacyJagiellonian University Medical CollegeKrakow 30-688Poland Department of Translational Neurobiology Neurovascular Research GroupCajal Institute(CSIC)Madrid 28002Spain Biotechnology and Vegetal Biology Department Escuela Técnica Superior de Ingeniería AgronómicaAlimentaria y de BiosistemasUniversidad Politécnica de MadridMadrid 28040Spain Faculty of Health Camilo JoséCela University of Madrid(UCJC)Neuropsychopharmacology Unit“Hospital 12 de Octubre”Research InstituteMadrid 28692Spain

We describe the development of quinolylnitrones(QNs)as multifunctional ligands inhibiting cholinesterases(ChEs:acetylcholinesterase and butyrylcholinesterase—h BChE)and monoamine oxidases(hMAO-A/B)for the therapy of neurodegenerative *** identified QN 19,a simple,low molecular weight nitrone,that is readily synthesized from commercially available *** 19 has no typical pharmacophoric element to suggest ChE or MAO inhibition,yet unexpectedly showed potent inhibition of h BChE(IC50=1.06±0.31 nmol/L)and h MAO-B(IC_(50)=4.46±0.18μmol/L).The crystal structures of 19 with hBChE and hMAO-B provided the structural basis for potent binding,which was further studied by enzyme *** 19 acted as a free radical scavenger and biometal chelator,crossed the blood—brain barrier,was not cytotoxic,and showed neuroprotective properties in a 6-hydroxydopamine cell model of Parkinson's *** addition,in vivo studies showed the anti-amnesic effect of 19 in the scopolamine-induced mouse model of AD without adverse effects on motoric function and ***,chronic treatment of double transgenic APPswe-PS1δE9 mice with 19 reduced amyloid plaque load in the hippocampus and cortex of female mice,underscoring the disease-modifying effect of QN 19.

关键词： Quinolylnitrone Butyrylcholinesterase Monoamine oxidase B Alzheimer's disease Multifunctional ligands 6-Hydroxydopamine model Passive avoidance task Novel object recognition

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Antioxidant and Antimicrobial Activities of Larrea Divaricata Cav. Aqueous Extract on Vitamin C from Natural Orange Juice

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Food and Nutrition Sciences 2011年第1期2卷 35-46页

作者： patricia Micucci Maria Rosario Alonso Sebastian Turner Roberto Davicino claudia Anesini 不详

Larrea divaricata Cav. is a South American plant widely distributed in Argentina with reported antioxidant and antim- icrobial activities. Vitamin C (Vit C) the most important water-soluble antioxidant, is degraded upon factors such as oxygen, heat, light, storage time and temperature, during cooking and in presence of microorganisms. The aim of this work was: to study the antioxidant and antimicrobial activity of an aqueous extract of L. divaricata (E) on Vit C pre- pared in water and on Vit C from natural orange juice, submitted to different store conditions such as temperatures and oxygen. The antioxidant activity was determined by DPPH method and used to obtained the relative Vit C concentra- tion;Vit C decreased its activity and concentration under temperature and air oxygen, but E allowed Vit C to recover its antioxidant activity and prevented Vit C microorganism contamination. These studies were performed in view to es- tablish whether L. divaricata can be used as a supplement on orange juices capable to prevent Vit C decay and micro- bial growth.

关键词： Vitamin C Larrea Divaricata Cav. Antioxidant Activity Antimicrobial Activity

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Post-Mortem Study of Refractory Concretes Exposed to Corrosive Effect of Synthetic Slag of Petroleum Coke

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材料科学与工程（中英文版） 2010年第10期4卷 24-33页

作者： Rodrigo Puente ornelas Ana Maria Guzman Hernandez Tushar Kanty Das Roy Guadalupe Alan Castillo Rodriguez Carlos Javier Lizcano Zulaica patricia del Carmen Zambrano Robledo Doctoral Program of Materials Engineering Faculty of Mechanical and Electrical Engineering Autonoma University of Nuevo Leon Av. Universidad S/N Cd. Universitaria San Nicolas de los Garza C.P. 66450 Nuevo Le6n Mexico

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Non-Painful Peripheral Inflammation Blocks Conditioned Place-Preference to Morphine and Nicotine through an Ibuprofen-Sensitive and an Ibuprofen Insensitive Pathway

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Journal of Behavioral and Brain Science 2018年第2期8卷 57-76页

作者： Marco Antonio Sotomayor-Sobrino Abraham Ochoa-Aguilar Eda patricia Tenorio Martha León-Olea Roberto Velasco-González Israel Luna-Mendoza claudia Gómez-Acevedo Departmento de Farmacología Facultad de Medicina Universidad Nacional Autónoma de México Ciudad de México México Departmento de Bioquímica Facultad de Medicina Universidad Nacional Autónoma de México Ciudad de México México Instituto Nacional de Psiquiatría “Ramón de la Fuente Muñ iz” Ciudad de México México

The field of neuroimmunology has expanded in recent years providing new insights and therapies into pathologies like stroke, autism, and depression. However, few works explore the relationship between inflammatory stimuli and motivation. Thus, the aim of this study was to determine how non-painful inflammatory stimuli affect reward. To test reward-response, we used the morphine and the nicotine induced conditioned place-preference and place-aversion model in rats with non-painful inflammation. The following inflammatory models were used: non-painful infectious inflammation: 24 hrs prior to conditioning sessions, an injection with Calmette-Guerin bacillus (CGB) 1 × 107 cfu, ip, was administered. Non-painful non-infectious inflammation: 24 hrs prior to conditioning sessions, rats’ sciatic nerve was blocked and cut, followed by the injection of carrageenan (750 μl) in the paw. We then measured the cytokine concentration to determine the inflammatory profile of each of our models. Finally, we administered ibuprofen to determine if it could prevent the effect of inflammation over conditioned place-preference. We show that carrageenan significantly reduced the morphine-induced reward. Non-painful inflammatory stimulus, CGB and denervation + carrageenan, inhibit the conditioned place-preference to morphine and nicotine, CGB also block conditioned place-aversion to nicotine;carrageenan has no effect on CPA. The administration of ibuprofen reinstates conditioned place-preference to morphine and nicotine in the carrageenan model, but has no effect in the CGB model;finally ibuprofen has no effect on CPA. Our data suggest that non-painful-inflammatory stimuli inhibit the reward system, independent of cytokine concentration. Furthermore, the administration of a PGE 2 inhibitor can importantly modulate this phenomenon.

关键词： Reward Addiction Pain Inflammation Prostaglandins Interferon

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