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Association of the HLA-DRB1*0701 allele with perinuclear anti-neutrophil cytoplasmatic antibodies in Mexican patients with severe ulcerative colitis

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World Journal of Gastroenterology 2006年第10期12卷 1617-1620页

作者： Jesus K Yamamoto-Furusho luis uscanga-domínguez Alondra Lopez-Martinez Julio Granados Department of Gastroenterology Institute Nacional de Ciencias Médicas y Nutrición Salvador Zubirán.México D FMéxico Department of Immunology Institute Nacional de Ciencias Médicas y Nutrición Salvador Zubirán.México D FMéxico

AIM： To determine the association between the HLADRB1 alleles and perinuclear anti-neutrophil cytoplasmatic antibodies （p-ANCA） positive in Mexican patients with ulcerative colitis （UC）. METHODS： Ninety Mexican mestizo patients （45 females） with UC, confirmed by biopsy, were studied. High resolution HLA typing was performed by PCR-SSO reverse dot blot and PCR-SSP. Molecular typing techniques were applied to define HLA-DRB1 alleles. Enzyme-linked immunosorbent assay and immunofluorescence techniques were used to detect p-ANCA. RESULTS： Forty-eight （53%） UC patients were positive for p-ANCA by ELISA and IF. We found that p-ANCA- positive UC patients had a significantly increased frequency of HLA-DR7 compared with p-ANCA-negative controls （22% vs 5.1%; pC=0.02, OR=5.2, CI 95%： 1.06-37.82）. Disease activity was scored as severe in 20 patients, moderate in 8, mild in 14 and no activity in the remaining 38 patients according to the Truelove and Witts criteria. Subgroup analysis showed a significantly increased frequency of the HLA-DRB1＊07 allele in 15 of 20 UC patients with severe activity of UC and p-ANCA positivity [100% vs 0%; pC=0.0000001; OR=35]. No significant differences were found between p-ANCA positive patients, HLA-DR alleles and other clinical features such as extraintestinal manifestations, proctocolectomy and ***： The HLA-DRB1＊07 is associated with p-ANCA positive UC Mexican patients.

关键词： HLA-DR p-ANCA Ulcerative colitis Mexicans

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Steroid-responsive pancreatitides

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World Journal of Clinical Cases 2020年第16期8卷 3411-3430页

作者： Mario Pelaez-Luna Andrea Soriano-Rios Ana C Lira-Treviño luis uscanga-domínguez Department of Gastroenterology National Institute of Medical Sciences and Nutrition"Salvador Zubiran"Mexico City 14000Mexico

Autoimmune pancreatitis has received considerable attention,especially due to the marked effect of corticosteroid therapy on its clinical ***,especially regarding type 1 autoimmune pancreatitis,has significantly increased over the last decades,and despite significant differences in pathophysiology and outcomes,both type 1 and 2 autoimmune pancreatitis are still considered different types of the same *** have proposed a different nomenclature reflecting these *** the term steroid-responsive pancreatitides may be interpreted as synonymous to type 1 and 2 autoimmune pancreatitis,these are not the only pancreatic conditions that show a response to steroid *** pancreatitis caused by vasculitis and connective tissue diseases and acute pancreatitis secondary to checkpoint inhibitors or programmed cell death receptor antibody-mediated blockage cancer therapy may also benefit from steroid *** review presents current concepts on these disorders,aiming to increase awareness,analyze similarities and differences,and propose a new nomenclature that reflects their specific particularities,clustering them under the term"steroid-responsive pancreatitides".

关键词： Autoimmune pancreatitis Lymphoplasmacytic sclerosing pancreatitis Idiopathic duct centric chronic pancreatitis Vasculitis Immune checkpoint inhibitors Corticosteroids

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Concordance among pulse wave velocity assessment methods: A network meta-analysis

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中华医学杂志(英文版) 2024年第17期137卷 2137-2139页

作者： Cavero-Redondo Iván Sequí-domínguez Irene Saz-Lara Alicia Garcia-Klepzig Jose luis Lucerón-Lucas-Torres Maribel Martínez-García Irene álvarez-Bueno Celia Martínez-Vizcaíno Vicente CarVasCare Research Group Facultad de Enfermería de Cuenca Universidad de Castilla-La Mancha Cuenca Spain Facultad de Ciencias de la Salud Universidad Autónoma de Chile Talca Chile Health and Social Research Center Universidad de Castilla-La Mancha Cuenca Spain Internal Medicine Department San Carlos University Hospital Madrid Spain Universidad Politécnica y Artística del Paraguay Asunción Paraguay

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Nutritional Supplement Ocoxin® Combined with Gemcitabine-Based Chemotherapy in Patients with Advanced Pancreatic Adenocarcinoma

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Open Journal of Gastroenterology 2024年第8期14卷 267-287页

作者： Mayté Lima-Pérez Jorge luis Soriano-García Masiel González-Meisozo Jorge luis Soriano-Lorenzo Vilma Fleites-Calvo Dunia Morales-Morgado Carlos domínguez-Álvarez Iván Ramón-Concepción Raidel Rodríguez-Barrios Alicia Tarinas-Reyes Ivis Mendoza-Hernández Rolando Uranga-Piña Clinical Oncology Department Ameijeiras Hospital Havana Cuba Clinical Pathology Department Ameijeiras Hospital Havana Cuba Clinical Section National Coordinating Centre for Clinical Trials Havana Cuba Biostatistics Section National Coordinating Centre for Clinical Trials Havana Cuba

Background: the quality of life (QoL) of patients with pancreatic ductal adenocarcinoma (PDAC), with its limited survival, can be affected by chemotherapy-induced toxicity. The main objective was to evaluate the effect of introducing ocoxin oral solution (OOS) in combination with standard therapy on quality of life. Methods: Thirty patients were enrolled in an exploratory, prospective, single-centre clinical trial in the oncology department of “Hermanos Ameijeiras” University Hospital in Havana, Cuba. Quality of life was measured using the EORTC QLQ-C30 questionnaire and toxicity was assessed using the NCI-CTC-AE classification version 5.0. Results: There was stability in the scores over time for overall QoL and the functional scale criteria, while in terms of symptoms, fatigue, pain and loss of appetite were reduced. No grade 3 - 4 adverse events (AEs) were recorded, and only 14.9% of toxicities were classified as grade 2, and these were considered to be unrelated to OOS. Biochemical and nutritional parameters were normalised at 12 months compared to the baseline values. Conclusions: This clinical study is the first report of the use of OOS in patients with advanced pancreatic cancer, and demonstrates that it is able to maintain optimal quality of life with reduced severity of toxicity during and after combination treatment with gemcitabine-based chemotherapy.

关键词： EORTC QLQ-C30 Ocoxin Chemotherapy Pancreatic Cancer Quality of Life

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Common interacting genetic variation shapes susceptibility to type 1 diabetes in a Colombian Caribbean community:In search of shared genetic markers

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Genes & Diseases 2024年第4期11卷 106-108页

作者： Gloria Garavito-De Egea Alex dominguez-Vargas Jorg e l.Velez Gustavo Aroca luis Fagng Elkin Navarro-Quiroz Zilac Espitaleta Kenny Del Toro-Camargo Leticia Martinez-Ariza Tatiana Gonzalez-Vargas Susana Garcia Mauricio Arcos-Burgos Eduardo Egea Universidad del Norte Division Ciencias de la SaludBarranquillaColombia Universidad Simon Bolivar Facultad de Ciencias de la SaludBarranquillaColombia Clinica de la Costa Grupo de Investigacion en NefrologiaBarranquillaColombia Universidad de Antioquia Grupo de Investigacion en Psiquiatria(GIPSI)Departamento de PsiquiatriaInstituto de Investigaciones MedicasFacultad de MedicinaMedellinColombia

Genome-wide association studies(GWASs)have identified hundreds of loci across the human genome conferring susceptibility to autoimmune diseases(AIDs),some of which are shared between more than two ***,this univariate ... 详细信息

关键词： susceptibility diseases diabetes

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Spatiotemporal variation in the adult sex ratio,male aggregation,and movement of two tropical cloud forest dung beetles

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Current Zoology 2022年第6期68卷 635-644页

作者： Julliana BARRETTO Martha L.BAENA Israel Huesca domınguez Federico ESCOBAR Red de Ecoetologıa Instituto de EcologıaXalapaC.P.91073Mexico Instituto de Investigaciones Biologicas Universidad Veracruzana.Av.Luis Castelazo Ayala s/n Col.IndustrialAnimasXalapaC.P.91190Mexico

While theory suggests that at conception the sex ratio should be balanced(1:1),this can be variable across space and time in wild ***,studies of the environmental factors that regulate adult sex ratio(ASR)in species with different life history traits are *** capture–recapture over a year,we analyzed the influence of habitat type(forest and nonforest)and season(rainy and dry)on variation in ASR,male aggregation and the trajectory movement of 2 dung beetle species with different life history traits:Deltochilum mexicanum(a hornless roller species)and Dichotomius satanas(a tunneler species with horns on its head and thorax).We found opposite *** *** population tends to be female-biased,but the population of *** tends to be predominantly male,and observed values were not related to habitat type or ***,the 95%confidence intervals estimated were highly variable between seasons depending on *** examining the monthly variation in ASR for both habitats,we found that it depends on the *** addition,male aggregation differed between species depending on habitat type and season,and species movement patterns were closely related to their habitat *** on our results,we argue that comparative population studies of species with different life history traits are necessary to understand the variation in demographic parameters as well as its ecological and evolutionary implications in the face of spatial and climatic environmental variation.

关键词： habitat preference mark-recapture mean crowding seasonality Scarabaeinae sex proportion

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Clinical characteristics of a group of adults with nodular lymphoid hyperplasia:A single center experience

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World Journal of Gastroenterology 2006年第12期12卷 1945-1948页

作者： Alberto Rubio-Tapia Jorge Hernández-Calleros luis uscanga Sagrario Trinidad-Hernández Department of Gastroenterology Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran(INNSZ)Mexico CityMexico Department of Pathology Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran(INNSZ)Mexico CityMexico

AIM： To describe the clinical and histological characteristics of a group of adults with small-bowel nodular lymphoid hyperplasia （NLH）. METHODS： Patients were searched for five years in pathology records of our institution. The biopsy material was reassessed using strict histopathological criteria. Clinical data were obtained from medical records. RESULTS： Small-bowel NLH was diagnosed in 18 cases. The female： male ratio was 2 ： 1. The most frequent symptoms were diarrhea （72%）, involuntary weight loss （72%） and abdominal pain （61%）. Nine patients （50%） had immunodeficiency. Small-bowel bacterial overgrowth was found in three （17%） cases. At small-bowel NLH diagnosis, three （17%） had associated lymphoma： two intestinal and one extra-intestinal lymphomas. In two patients with villous atrophy and anti-endomysial antibodies the diagnosis of celiac disease was established. Giardia larnblia infection was found in only one patient with hypogammaglobulinemia （Herman＇s syndrome）. CONCLUSIONS： NLH is uncommon in adult patients. Associated diseases are immunodeficiency and lymphoid tissue malignancies.

关键词： Nodular lymphoid hyperplasia Hypogammaglobulinemia Lymphoma

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Perinuclear anti-neutrophil cytoplasmic antibodies (p-anca) in chronic ulcerative colitis: Experience in a Mexican institution

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World Journal of Gastroenterology 2006年第21期12卷 3406-3409页

作者： Jesus K Yamamoto-Furusho Takeshi Takahashi-Monroy Omar Vergara-Fernandez Edgardo Reyes luis uscanga Departments of Gastroenterology. Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran Mexico City Mexico Departments of Surgery. Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran Mexico City Mexico Departments of Pathology. Institute Nacional de Ciencias Medicas y Nutricion Salvador Zubiran Mexico City Mexico

AIM： To assess the prevalence and clinical value of p-ANCA in a sample of Mexican ulcerative colitis （UC） patients. METHODS： In a prospective, IRB-approved protocol, p-ANCA was determined in 80 patients with UC （mean age, 32 ± 12.9 years）. The severity and extension of disease were determined by clinical methods, searching a statistical association with p-ANCA status. RESULTS： p-ANCA were detected in 41 （51%） patients. Severity of disease was the only clinical variable statistically associated with their presence （P 〈 0.0001; OR = 9; CI 95% = 3.2-24.7）. CONCLUSION： The prevalence of p-ANCA was similar to that reported in other countries. Their presence was associated to UC severity, but offered no more information than the obtained by clinical methods.

关键词： Ulcerative colitis Inflammatory bowel disease Perinuclear anti-neutrophil cytoplasmic antibodies

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Effect of Antimony Additions on Corrosion and Mechanical Properties of Sn-Bi Eutectic Lead-Free Solder Alloy

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Materials Sciences and Applications 2012年第6期3卷 355-362页

作者： Alberto Torres luis Hernández Octavio domínguez Instituto de Metalurgia-UASLP San Luis Potosí México

The goal of the present work is to investigate the effects of the addition of Sb (0, 3 and 6 wt%) on structure, melting, corrosion and mechanical properties of Sn-Bi eutectic solder alloys. The mechanical properties of the bulk Sn-Bi-Sb solders were higher as the amount of antimony increases, making compressive strength augment from 65 MPa to 100 MPa when 6 wt% Sb was incorporated to the Sn-Bi eutectic alloy. The three alloys presented a melting temperature that is smaller to the one exhibited by the eutectic alloy Sn-38Pb (Tm = 183°C). According to the electrochemical results, the addition of higher contents of Sb to the Sn-Bi eutectic alloy had a positive effect: it ennobled the Ecorr values.

关键词： Lead Free Solder Alloys Sn-Bi-Sb Mechanical Properties Corrosion Properties

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Potential seed germination-enhancing plant growth-promoting rhizobacteria for restoration of Pinus chiapensis ecosystems

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Journal of Forestry Research 2021年第5期32卷 2143-2153页

作者： Cristina domínguez-Castillo Julia María Alatorre-Cruz Dolores Castañeda-Antonio Jose Antonio Munive Xianwu Guo Jesús Francisco López-Olguín luis Ernesto Fuentes-Ramírez Ricardo Carreño-López Centro de Investigaciones en Ciencias Microbiológicas Instituto de CienciasBenemérita Universidad Autónoma de PueblaPueblaMéxico Universidad Autónoma de Querétaro QuerétaroMéxico Centro de Biotecnología Genómica Instituto Politécnico NacionalReynosaTamaulipasMéxico

Rhizosphere soil samples of three Pinus chiapensis sites were analyzed for their physicochemical properties,soil bacteria isolated and screened in vitro for growthpromoting *** isolates that showed promise were identified to five genera Dyella,Luteimonas,Euterobacter,Paraburkholderia and Bacillus based on the sequences of16 S rRNA *** the strains were isolated from nondisturbed *** bacteria significantly decreased germination time and increased sprout *** acetic acid and gibberellin production and phosphate solubilisation were *** indicate that these biochemicals could be essential for *** distribution and suggest the possibility that PGPR inoculation on *** seeds prior to planting could improve germination and possibly seedling development.

关键词： Pinus chiapensis Plant growth-promoting rhizobacteria Dyella Luteimonas Enterobacter

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