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Study of Factors That Influence the Sustainability of Agricultural Development in the Bobonaro Municipality, Timor-Leste

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Agricultural Sciences 2022年第2期13卷 105-116页

作者： Graciano Soares Gomes Carlito De Araújo Mali Code Vicente De Paulo Correia Oscar da Silva agostinho da cunha moniz José Adriano Marçal Claudino Ninas Nabais Department of Animal Science National University of East Timor—UNTL Díli Timor-Leste Department of Agro Economic National University of East Timor—UNTL Díli Timor-Leste Department of Agronomy National University of East Timor—UNTL Díli Timor-Leste East Timor National Institute of Science and Technology—INCT-TL Díli Timor-Leste

The aim of the study is to assess the factors that influence the sustainability of agricultural development. The study was carried out in the municipality of Bobonaro for about four months, from July to October 2021. Slovin’s method was used to determine the sample size, with a desired percentage of 10% of the total population. Thus, 154 producers were interviewed as respondents and key persons in the area of agriculture. The variables interviewed are the main factors of agricultural productivity and the factors that affect sustainable agricultural development. The results of the descriptive statistical analysis of the data showed that about 94.87% of the respondents’ productive area is in operation, with an average of 1.84 ha per respondent and the abandoned area around 0.11 ha per respondent. The average value of rice production is 2.38 ton per ha and corn 1.07 ton per ha. About 87% of producers raised the main types of animals such as cattle, pigs, goats with an average density of 2 to 5 animals per establishment. About 61% of producers have access to the market at a normal price for agricultural products. The factors that hinder less successful agricultural development, such as: those of nature with the greatest impact are climate changes, which influence changes in cultivation sessions and in the characteristics of productive soils, availability of water for irrigation and animal feed. On the socioeconomic side, it includes the willingness or interest of young people who want to work as farmers, less investment and the impact of the Covid-19 pandemic. It is concluded that natural and socioeconomic impacts can reduce agricultural productivity, so that this will be a major challenge for the development of the agricultural sector in the future.

关键词： Land Productivity Sustentability Agricultural Production Factors

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Toxicity of a seafood toxin， domoic acid， in the retina via modulation of the NRF2 and NF-κB pathways

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Food Science and Human Wellness 2024年

作者： Gabriel Mbuta Tchivelekete Yanqun Cao Mohammad Almarhoun Xinzhi Zhou agostinho Francisco Cachapa Sebasti?o Tumitangua James Reilly Patricia E.Martin Xinhua Shu Department of Biological and Biomedical Sciences， Glasgow Caledonian University Department of Marine Biology， Faculty of Natural Science， University of Namibe Puai Medical School， Shaoyang University Department of Vision Science， Glasgow Caledonian University

Domoic acid (da)， a biotoxin， is produced by several species of marine dinoflagellate and diatom during harmful algal bloom events. da is a neurotoxin， in humans and non-human primates， oral exposure to da results in gastrointestinal effects， while da at higher doses leads to neurological symptoms， seizures and memory deficiency. Exposure of humans to da occurs mainly through consumption of contaminated seafoods containing an accumulation of the toxin. Previously， it was unclear if da can have toxic effects on the retina. We assessed the toxicity of da in human retinal cells (ARPE-19) and in zebrafish embryos. da significantly lowered ARPE-19 cell viability dose-dependently， and decreased anti-oxidative capacity， increased inflammation， and promoted cell death， possibly through modulating the NRF2 and NF-κB signalling pathways. Zebrafish embryos exposed to da for four days from one day post fertilization (dpf) had an increase in mortality and a decrease in both hatching and heartbeat rate and exhibited morphological abnormalities. da treatment also significantly downregulated expression of antioxidant genes and upregulated expression of inflammation mediators， as well as causing photoreceptor death in zebrafish embryos. The results demonstrate that consuming seafood containing da will have potential toxic effects in human retinas.

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Cytotoxic T lymphocyte antigen-4 gene polymorphisms and susceptibility to type 1 autoimmune hepatitis in the Tunisian population

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Genes & Diseases 2018年第3期5卷 256-262页

作者： Marwa Chaouali agostinho Carvalho Aymen Tezeghdenti Mouna Ben Azaiez Cristina cunha Ezzeddine Ghazouani Radhia Kochkar Department of Immunology Military Hospital of TunisMontfleury 1008TunisTunisia El Manar University Laboratory of MycologyPathologies and Biomarkers 1092TunisTunisia Life and Health Sciences Research Institute(ICVS) School of MedicineUniversity of MinhoCampus de Gualtar 4710-057BragaPortugal ICVS/3B’s-PT Government Associate Laboratory Braga/Guimara˜esPortugal

Genetic factors and gene polymorphisms leading to the onset of autoimmune response in autoimmune hepatitis(AIH)are still not full *** the CTLA-4 molecule is a key modulator of the lymphocytes responses we hypothezied that deficiencies or mutations in the gene encoding CTLA4 protein may be involved in AIH susceptibility and trigger the autoimmune *** investigated 3 distinct polymorphic sites(t49A>G,CT60 G>A and e318C>T)of the CTLA4 gene in 50 AIH patients and 100 healthy controls using the KASP genotyping technology.A significant positive association with AIH susceptibility was found for the GG genotype in t49 position of the CTLA4 gene which was significantly higher in AIH patients compared to controls(28%vs 9%,pZ0.003,ORZ3.93[1.56e9.88]).The CTLA4 A/A genotype in position CT60 was more significantly frequent in controls comparing to AIH patients and could be considered as a protective genotype for the tunisian ***4 genotyping in position318 did not show any statistically significant difference in genotype or allele *** CTLA4 gene polymorphism in position t49 is associated to AIH susceptibility in the Tunisian *** in the CTLA4 gene may lead to a modification of the CTLA4 protein structure that could have functional relevance in AIH pathogenesis and onset.

关键词： Autoimmune hepatitis CTLA4 gene polymorphisms Cytotoxic Tlymphocyte antigen 4

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Pesticide Contamination in Land Reform Settlements in Brazil： Empirical Evidences from Caiaponia, Goias State

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Journal of Environmental Science and Engineering(A) 2013年第3期2卷 197-202页

作者： Alcido Elenor Wander Cleyzer Adrian da cunha agostinho Dirceu Didonet Brazilian Agricultural Research Corporation (Embrapa) Santo Antonio de Goias Goias 75375000 Brazil Department of Postgraduate Program in Agribusiness Federal University of Goias Goiania Goias 74001970 Brazil Department of Postgraduate Program in Regional Development Faculdades Alves Faria (ALFA) Goiania Goias 74445190Brazil

Brazil is the largest consumer of pesticides worldwide. Public health studies in Brazil show that inadequate use of pesticides increases the incidence of accidents and contamination of poor rural communities. This study sought to identify factors that determine the occurrence of problems with pesticides in a typical Brazilian land reform settlement. The study was carried out in Caiaponia, Goias state. In the empirical analysis, the econometric model pro bit was used. The dependent variable was the existence of health problems in the family setting that are caused by pesticides. The independent variables were the family size; the attendance to any church, whether Catholic or Protestant; if farmers received any technical assistance; the current health condition of the family, and if there are exacerbated erosion problems on the farm. data from 28 farmers were collected through a structured questionnaire. Among the main findings, larger families have a higher probability of accidents involving pesticides. The current healthy conditions of family and the problems of soiled gradation in the farm imply are duction in the likelihood of contamination with pesticides. These two results indicate that rural households that have good health condition and have experienced environmental degradation on their farm have higher environmental awareness.

关键词： Pesticide use environmental awareness health issues.

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Dectin- 1 isoforms contribute to distinct Th 1/Th 17 cell activation in mucosal candidiasis

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Cellular & Molecular Immunology 2012年第3期9卷 276-286页

作者： agostinho Carvalho Gloria Giovannini AntoneUa De Luca Carmen D＇Angelo Andrea Casagrande Rossana G Iannitti Giovanni Ricci Cristina cunha Luigina Romani Department of Experimental Medicine and Biochemical Sciences University of Perugia Perugia Italy Life and Health Sciences Research Institute （ICVS） School of Health Sciences University of Minho Braga Portugal CVS/3B＇s--PT Government Associate Laboratory Braga/Guimaraes Portugal

The recognition of p-glucans by dectin-1 has been shown to mediate cell activation, cytokine production and a variety of antifungal responses. Here, we report that the functional activity of dectin-1 in mucosal immunity to Candida albicans is influenced by the genetic background of the host. Dectin-1 was required for the proper control of gastrointestinal and vaginal candidiasis in C57BIJ6, but not BALB/c mice; in fact, the latter showed increased resistance in the absence of dectin-1. The susceptibility of dectin-l-deficient C57BL/6 mice to infection was associated with defects in IL-17A and aryl hydrocarbon receptor-dependent IL-22 production and in adaptive Th I responses. In contrast, the resistance of dectin- 1-deficient BALB/c mice was associated with increased IL-17A and IL-22 production and the skewing towards Thl/Treg immune responses that provide immunological memory. Disparate canonical/ noncanonical NF-KB signaling pathways downstream of dectin-1 were activated in the two different mouse strains. Thus, the net activity of dectin-1 in antifungal mucosal immunity is dependent on the host＇s genetic background, which affects both the innate cytokine production and the adaptive Th1/Th17 cell activation upon dectin-1 signaling.

关键词： Dectin-1 Mucosal candidiasis, Th1/Th17, 11-22, genetic background

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Non-hematopoietic cells contribute to protective tolerance to Aspergillus fumigatus via a TRIF pathway converging on IDO

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Cellular & Molecular Immunology 2010年第6期7卷 459-470页

作者： Antonella de Luca Silvia Bozza Teresa Zelante Silvia Zagarella Carmen D’Angelo Katia Perruccio Carmine Vacca agostinho Carvalho Cristina cunha Franco Aversa Luigina Romani Department of Experimental Medicine and Biochemical Sciences University of PerugiaPerugiaItaly Life and Health Sciences Research Institute(ICVS) School of Health SciencesUniversity of MinhoBragaPortugal

Innate responses combine with adaptive immunity to generate the most effective form of anti-Aspergillus immune *** the pivotal role of dendritic cells in determining the balance between immunopathology and protective immunity to the fungus is well established,we determined that epithelial cells(ECs)also contributes to this ***,EC-mediated protection occurred through a Toll-like receptor 3/Toll/IL-1 receptor domain-containing adaptor-inducing interferon(TLR3/TRIF)-dependent pathway converging on indoleamine 2,3-dioxygenase(IDO)via non-canonical nuclear factor-kB *** with the high susceptibility of TRIF-deficient mice to pulmonary aspergillosis,bone marrow chimeric mice with TRIF unresponsive ECs exhibited higher fungal burdens and inflammatory pathology than control mice,underexpressed the IDO-dependent T helper 1/regulatory T cell(Th1/Treg)pathway and overexpressed the Th17 pathway with massive neutrophilic inflammation in the *** studies with interferon(IFN)-c,IDO or IL-17R unresponsive cells confirmed the dependency of immune tolerance to the fungus on the IFN-c/IDO/Treg pathway and of immune resistance on the MyD88 pathway controlling the fungal ***,distinct immune pathways contribute to resistance and tolerance to the fungus,to which the hematopoietic/non-hematopoietic compartments contribute through distinct,yet complementary,roles.

关键词： aspergillosis epithelial cells IDO Th17/Treg transplantation tolerance

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Parallel evolution of fish bi-modal breathing and expansion of olfactory receptor(OR)genes:toward a universal ORs nomenclature

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遗传学报:英文版 2023年第8期50卷 600-610页

作者： Liliana Silva Tito Mendes Luana Ramos Guojie Zhang agostinho Antunes CIIMAR/CIMAR Interdisciplinary Centre of Marine and Environmental ResearchUniversity of PortoTerminal de Cruzeiros do Porto de LeixõesAv.General Norton de Matoss/n4450-208PortoPortugal Department of Biology Faculty of SciencesUniversity of PortoRua do Campo Alegre4169-007PortoPortugal Villum Centre for Biodiversity Genomics Section for Ecology and EvolutionDepartment of BiologyUniversity of CopenhagenDK-2100 CopenhagenDenmark BGI-Shenzhen Beishan Industrial ZoneShenzhenGuangdong 518083China State Key Laboratory of Genetic Resources and Evolution Kunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650223China

Olfactory receptors(ORs)play a key role in the prime sensorial perception,being highly relevant for intra/interspecific *** are a subgroup of G-protein coupled receptors that exhibit highly complex subgenomes in ***,OR repertoires remain poorly studied in fish lineages,precluding finely retracing their origin,evolution,and diversification,especially in the most basal ***,we conduct an exhaustive gene screening upon 43 high-quality fish genomes exhibiting varied gene repertoires(2e583 genes).While the early vertebrates performed gas exchange through gills,we hypothesize that the emergence of new breathing structures(swim bladder and paired lungs)in early osteichthyans may be associated with expansions in the ORs gene families sensitive to airborne ***,we verify that the OR repertoire of moderns actinopterygians has not increased as expected following a whole genome duplication,likely due to regulatory mechanisms compensating the gene load ***,we identify 25 distinct OR families,allowing us to propose an updated universal nomenclature for the fish ORs.

关键词： Fish OR repertoires Updated ORs nomenclature ORs expansion Bi-modal breathing WGD and ORs diversification

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Parkin protein expression and its impact on survival of patients with advanced colorectal cancer

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Cancer Biology & Medicine 2018年第1期15卷 61-69页

作者： Claudia Caroline Veloso da Silva-Camargo Rosimeri Kuhl Svoboda Baldin Nayanne Louise Costacurta Polli Amanda Pereira agostinho Marcia Olandosk Lúcia de Noronha Vanessa Santos Sotomaior Group for Advanced Molecular Investigation (NIMA) School of Health and Biosciences Pontiicia Universidade Catolica do Parana (PUCPR) Curitiba 80215-901 Brazil Hospital de Clinicas da Universidade Federal do Parana (HC-UFPR) Curitiba 80215-901 Brazil

Objective:Features of colorectal cancer such as natural history,molecular,chromosomal,and epigenetic alterations have been well ***,there is still a lack of accurate prognostic markers,which is evident by the lower overall survival rates of patients with advanced *** alterations in parkin protein expression have been described in colorectal cancer,the functional significance of this protein remains *** present study aimed to investigate the involvement of parkin expression in colorectal adenocarcinoma development and progression by evaluating the association between its expression,clinicopathological parameters,and expression of known proteins involved in colorectal ***:Tissue microarrays consisting of 73 tumor and 64 normal tissue samples were generated to examine parkin expression and localization by ***:A positive correlation of parkin and APC expression was observed in the superficial,intermediate,and profound regions of all cases(ρ=0.37;P=0.001).Parkin expression was also significantly associated with tumors in men(P=0.049),those of the mucinous subtype(P=0.028),and of advanced stage(III+IV,P=0.041).In addition,increased parkin expression was observed in the invasive front tumor region(P=0.013).More importantly,a positive correlation was found between parkin expression and the overall survival of patients with advanced colorectal cancer(P=0.019).Multivariate analysis showed that parkin expression was independent of any of the clinicopathological parameters evaluated in relation to patient ***:These results suggest that parkin expression status can be used as a potential independent prognostic marker of survival in advanced colorectal cancer.

关键词： Parkin PARK2 advanced colorectal cancer survival

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Ele próprio

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2006年

作者： Silva agostinho da

来源：畅想之星图书光盘版（南... 评论

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Titanium dioxide induced inflammation in the small intestine

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World Journal of Gastroenterology 2012年第34期18卷 4729-4735页

作者： Carolina Maciel Nogueira Walter Mendes de Azevedo Maria Lucia Zaidan dagli Sérgio Hiroshi Toma AndréZonetti de Arruda Leite Maria Laura Lordello Iêda Nishitokukado Carmen Lúcia Ortiz-agostinho Maria IrmaSeixas Duarte Marcelo Alves Ferreira Aytan Miranda Sipahi Department of Gastroenterology Laboratory of Clinical and Experimental Gastroen-terologySchool of MedicineUniversity of So PauloCerqueira César01246-900 So PauloBrazil Department of Fundamental Chemistry Federal University of PernambucoCidade Universitária50670-901 RecifeBrazil Department of Pathology Veterinary Medicine SchoolUniversity of So PauloCidade Universitária05508-270 So PauloBrazil Laboratory of Supramolecular Chemistry and Nanotechnology Chemistry InstituteUniversity of So PauloCidade Universitária05513-970 So PauloBrazil Laboratory of Transmissible Disease Medicine SchoolUniversity of So PauloCerqueira César01246-900 So PauloBrazil Laboratory of Cellular Biology Medicine SchoolUniversity of So PauloCerqueira César01246-900 So PauloBrazil

AIM:To investigate the effects of titanium dioxide (TiO2) nanoparticles (NPTiO 2 ) and microparticles (MPTiO 2 ) on the inflammatory response in the small intestine of mice. METHODS: Bl 57/6 male mice received distilled water suspensions containing TiO 2 (100 mg/kg body weight) as NPTiO 2 (66 nm), or MPTiO 2 (260 nm) by gavage for 10 d, once a day; the control group received only distilled water. At the end of the treatment the duodenum, jejunum and ileum were extracted for assessment of cytokines, inflammatory cells and titanium content. The cytokines interleukin (IL)-1b, IL-4, IL-6, IL-8, IL-10, IL-12, IL-13, IL-17, IL-23, tumor necrosis factor-α (TNF-α), intracellular interferon-γ (IFN-γ) and transforming growth factor-β (TGF-β) were evaluated by enzyme-linked immunosorbent assay in segments of jejunum and ileum (mucosa and underlying muscular tissue). CD4 + and CD8 + T cells, natural killer cells, and dendritic cells were evaluated in duodenum, jejunum and ileum samples fixed in 10% formalin by immuno-histochemistry. The titanium content was determined by inductively coupled plasma atomic emission spectrometry. RESULTS: We found increased levels of T CD4 + cells (cells/mm 2 ) in duodenum:NP 1240 ± 139.4, MP 1070 ± 154.7 vs 458 ± 50.39 (P < 0.01); jejunum:NP 908.4 ± 130.3, MP 813.8 ± 103.8 vs 526.6 ± 61.43 (P < 0.05); and ileum:NP 818.60 ± 123.0, MP 640.1 ± 32.75 vs 466.9 ± 22.4 (P < 0.05). In comparison to the control group, the groups receiving TiO 2 showed a statistically significant increase in the levels of the inflammatory cytokines IL-12, IL-4, IL-23, TNF-α, IFN-γ and TGF-β. The cytokine production was more pronounced in the ileum (mean ± SE):IL-12: NP 33.98 ± 11.76, MP 74.11 ± 25.65 vs 19.06 ± 3.92 (P < 0.05); IL-4: NP 17.36 ± 9.96, MP 22.94 ± 7.47 vs 2.19 ± 0.65 (P < 0.05); IL-23: NP 157.20 ± 75.80, MP 134.50 ± 38.31 vs 22.34 ± 5.81 (P < 0.05); TNFα: NP 3.71 ± 1.33, MP 5.44 ± 1.67 vs 0.99± 019 (P < 0.05); IFNγ: NP 15.85 ± 9.99, MP 34.08 ± 11.44 vs 2.81 ±

关键词： Titanium dioxide Microparticles Nanopar-tides Immune response Small intestine Mice

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