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Perioperative blood transfusion decreases long-term survival in pediatric living donor liver transplantation

World Journal of Gastroenterology 2021年第12期27卷 1161-1181页

作者： Karina Gordon Estela Regina Ramos Figueira Joel Avancini Rocha-Filho Luiz antonio Mondadori Eduardo Henrique Giroud Joaquim Joao Seda-Neto Eduardo Antunes da Fonseca Renata Pereira Sustovitch Pugliese Agustin Moscoso Vintimilla jose Otavio Costa Auler Jr Maria jose Carvalho Carmona Luiz Augusto carneiro D'Alburquerque Division of Anesthesiology Hospital das ClínicasUniversity of São Paulo School of MedicineSão Paulo 05403-000Brazil Department of Anesthesiology AC Camargo Cancer CenterSão Paulo 01509-010Brazil Department of Gastroenterology Discipline of Liver and Gastrointestinal TransplantationLaboratory of Medical Investigations LIM37 Hospital das ClinicasUniversity of São Paulo School of MedicineSão Paulo 05402-000Brazil Department of Liver Transplantation AC Camargo Cancer CenterSão Paulo 01525-901Brazil Department of Gastroenterology Division of Liver and Gastrointestinal TransplantHospital das ClinicasUniversity of São Paulo School of MedicineSão Paulo 05402-000Brazil

BACKGROUND The impact of perioperative blood transfusion on short-and long-term outcomes in pediatric living donor liver transplantation(PLDLT)must still be ascertained,mainly among young *** and surgical postoperative complications related to perioperative blood transfusion are well described up to three months after adult liver *** To determine whether transfusion is associated with early and late postoperative complications and mortality in small patients undergoing *** We evaluated the effects of perioperative transfusion on postoperative complications in recipients up to 20 kg of body weight,submitted to PLDLT.A total of 240 patients were retrospectively allocated into two groups according to postoperative complications:Minor complications(n=109)and major complications(n=131).Multiple logistic regression analysis identified the volume of perioperative packed red blood cells(RBC)transfusion as the only independent risk factor for major postoperative *** receiver operating characteristic curve was drawn to identify the optimal volume of the perioperative RBC transfusion related to the presence of major postoperative complications,defining a cutoff point of 27.5 mL/***,patients were reallocated to a low-volume transfusion group(LTr;n=103,RBC≤27.5 mL/kg)and a high-volume transfusion group(HTr;n=137,RBC>27.5 mL/kg)so that the outcome could be *** High-volume transfusion was associated with an increased number of major complications and mortality during hospitalization up to a 10-year follow-up *** a short-term period,the HTr showed an increase in major infectious,cardiovascular,respiratory,and bleeding complications,with a decrease in rejection complications compared to the *** a long-term period,the HTr showed an increase in major infectious,cardiovascular,respiratory,and minor neoplastic complications,with a decrease in rejection ***,Cox hazard regr

关键词： Liver transplantation Child Blood transfusion Outcome Liver cirrhosis Mortality

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Classification of anemia for gastroenterologists

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World Journal of Gastroenterology 2009年第37期15卷 4627-4637页

作者： jose antonio Moreno Chulilla Maria Soledad Romero Colás Martín Gutiérrez Martín Department of Hematology University Hospital "Lozano Blesa" University of Zaragoza C/San Juan Bosco 15 Zaragoza 50009 Spain

Most anemia is related to the digestive system by dietary deficiency, malabsorption, or chronic bleeding. We review the World Health Organization definition of anemia, its morphological classifi cation (microcytic, macrocytic and normocytic) and pathogenic classi-fication (regenerative and hypo regenerative), and integration of these classifications. Interpretation of laboratory tests is included, from the simplest (blood count, routine biochemistry) to the more specific (iron metabolism, vitamin B12, folic acid, reticulocytes, erythropoietin, bone marrow examination and Schilling test). In the text and various algorithms, we propose a hierarchical and logical way to reach a diagnosis as quickly as possible, by properly managing the medical interview, physical examination, appropriate laboratory tests, bone marrow examination, and other comple-mentary tests. The prevalence is emphasized in all sections so that the gastroenterologist can direct the diagnosis to the most common diseases, although the tables also include rare diseases. Digestive diseases potentially causing anemia have been studied in preference, but other causes of anemia have been included in the text and tables. Primitive hematological diseases that cause anemia are only listed, but are not discussed in depth. The last section is dedicated to simplifying all items discussed above, using practical rules to guide diagnosis and medical care with the greatest economy of resources and time.

关键词：形态分类贫血症胃肠病消化系统疾病网织红细胞维生素B12 红细胞生成素身体检查

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Optimized Filling of a Given Cuboid with Spherical Powders for Additive Manufacturing

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Journal of the Operations Research Society of China 2021年第4期9卷 853-868页

作者： Zoya Duriagina Igor Lemishka Igor Litvinchev jose antonio Marmolejo Alexander Pankratov Tatiana Romanova Georgy Yaskov Lviv Polytechnic National University Lviv 79013Ukraine Katolicki Uniwersytet Lubelski Jana Pawła II Al.Racławickie 1420950 LublinPoland Graduate Program in Systems Engineering Nuevo Leon State University(UANL)MonterreyCP 66455 San Nicolas de los GarzaNuevo LeonMexico Engineering Department Panamerican UniversityCP 03920 Mexico CityMexico Department of Mathematical Modeling and Optimal Design Institute for Mechanical Engineering Problemsthe National Academy of Sciences of UkraineKharkiv 61046Ukraine Department of Systems Engineering of Kharkiv National University of Radio Electronics Kharkiv 61166Ukraine

In additive manufacturing(also known as 3D printing),a layer-by-layer buildup process is used for manufacturing *** laser 3D printers can work with various materials including metal *** particular,mixing various-sized spherical powders of titanium alloys is considered most promising for the aerospace *** achieve desired mechanical properties of the final product,it is necessary to maintain a certain proportional ratio between different powder *** this paper,a modeling approach for filling up a rectangular 3D volume by unequal spheres in a layer-by-layer manner is proposed.A relative number of spheres of a given radius(relative frequency)are known and have to be fulfilled in the final packing.A fast heuristic has been developed to solve this special packing *** results are compared with experimental findings for titanium alloy spherical *** relative frequencies obtained by using the imposed algorithm are very close to those obtained by the *** provides an opportunity for using a cheap numerical modeling instead of expensive experimental study.

关键词： Sphere packing Heuristic algorithm Titanium alloy spherical powders 3D printing

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Hitting a moving target:inhibition of the nuclear export receptor XPO1/CRM1 as a therapeutic approach in cancer

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Cancer Drug Resistance 2018年第3期1卷 139-163页

作者： Maria Sendino Miren Josu Omaetxebarria jose antonio Rodríguez Department of Genetics Physical Anthropology and Animal PhysiologyUniversity of the Basque Country(UPV/EHU)Leioa48940Spain. Department of Biochemistry and Molecular Biology University of the Basque Country(UPV/EHU)Leioa 48940Spain

Cellular homeostasis crucially relies on the correct nucleocytoplasmic distribution of a vast number of proteins and RNA molecules,which are shuttled in and out of the nucleus by specialized transport *** nuclear export receptor XPO1,also called CRM1,mediates the translocation of hundreds of proteins and several classes of RNA to the cytoplasm,and thus regulates critical signaling pathways and cellular *** normal function of XPO1 appears to be often disrupted in malignant cells due to gene mutations or,most commonly,aberrant *** to its important physiological roles and its frequent alteration in human tumors,XPO1 is a promising target for cancer ***1 inhibitors have undergone extensive testing as therapeutic agents in preclinical models of cancer,with promising *** of these inhibitors,Selinexor,is currently being evaluated in multiple clinical trials of different types of solid tumors and hematological ***,we review several key aspects of XPO1 function,as well as the mechanisms that may lead to its alteration in cancer,and provide an update on the status of XPO1 inhibitors being developed as drugs for cancer therapy,including the definitive results of the first clinical trials with Selinexor that have been recently published.

关键词： XPO1 CRM1 nucleocytoplasmic transport Selinexor

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Distinctive and complementary roles of E2F transcription factors during plant replication stress responses

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Molecular Plant 2023年第8期16卷 1269-1282页

作者： Maherun Nisa Thomas Eekhout Clara Bergis jose-antonio Pedroza-Garcia Xiaoning He Christelle Mazubert Ilse Vercauteren Toon Cools Rim Brik-Chaouche Jeannine Drouin-Wahbi Layla Chmaiss David Latrasse Catherine Bergounioux Klaas Vandepoele Moussa Benhamed Lieven De Veylder Cécile Raynaud Universite Paris-Saclay CNRSINRAEUniversite EvryInstitute of Plant Sciences Paris-Saclay(IPS2)91190 Gif-sur-YvetteFrance Universite de Paris Cite CNRSINRAEInstitute of Plant Sciences Paris-Saclay(IPS2)91190 Gif-sur-YvetteFrance Department of Plant Biotechnology and Bioinformatics Ghent University9052 GhentBelgium Center for Plant Systems Biology VIB9052 GhentBelgium Present address:Plant Molecular and Cellular Biology Laboratory Salk Institute for Biological StudiesLa JollaCA 92037USA

Survival of living organisms is fully dependent on their maintenance of genome integrity,being permanently threatened by replication stress in proliferating *** the plant DNA damage response(DDR)regulator SOG1 has been demonstrated to cope with replication defects,accumulating evidence points to other pathways functioning independent of ***,we report the roles of the Arabidopsis E2FA and EF2B transcription factors,two well-characterized regulators of DNA replication,in plant response to replication *** a combination of reverse genetics and chromatin immunoprecipitation approaches,we show that E2FA and E2FB share many target genes with SOG1,providing evidence for their involvement in the *** of double-and triple-mutant combinations revealed that E2FB,rather than E2FA,plays the most prominent role in sustaining plant growth in the presence of replication defects,either operating antagonistically or synergistically with ***,SOG1 aids in overcoming the replication defects of E2FA/E2FB-deficient ***,our data reveal a complex transcriptional network controlling the replication stress response in which E2Fs and SOG1 act as key regulatory factors.

关键词： replication stress E2F SOG1 cell cycle Arabidopsis

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Immediate post-operative complications(I):Post-operative bleeding;vascular origin:Thrombosis pancreatitis

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World Journal of Transplantation 2020年第12期10卷 415-421页

作者： jose antonio Perez Daga Rosa Perez Rodriguez Julio Santoyo Department of Surgery Hospital Regional de MálagaMalaga 29010Spain

Simultaneous pancreas-kidney transplantation is the treatment of choice forinsulin-dependent diabetes that associates end-stage diabetic nephropathy, sinceit achieves not only a clear improvement in the quality of life, but also provides along-term survival advantage over isolated kidney transplant. However, pancreastransplantation still has the highest rate of surgical complications among organtransplants. More than 70% of early graft losses are attributed to technical failures,that is, to a non-immunological cause. The so-called technical failures includegraft thrombosis, bleeding, infection, pancreatitis, anastomotic leak and pancreaticfistula. Pancreatic graft thrombosis leads these technical complications as the mostfrequent cause of early graft loss. Currently most recipients receive postoperativeanticoagulation with the aim of reducing the rate of thrombosis. Hemoperitoneumin the early postoperative period is a frequent cause of relaparotomy, but it is notusually associated with graft loss. The incidence of hemoperitoneum is clearlyrelated to the use of anticoagulation in the postoperative period. Post-transplantpancreatitis is another cause of early postoperative complications, less frequentthan the previous. In this review, we analyze the most common surgicalcomplications that determine pancreatic graft losses.

关键词： Pancreas transplantation Vascular graft thrombosis Postoperative hemorrhage Graft pancreatitis Reperfusion injury Tissue donors Risk factors

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Pacemaker therapy in the elderly patients

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老年心脏病学杂志：英文版 2007年第2期4卷 127-128页

作者： jose antonio Lapuerta-Irigoyen Santiago Herrero Pacemaker and Coronary Unit Intensive Care Service Cabuees Hospital Gijon Spain

　　The treatment of choice in symptomatic cases of patients with severe bradycardia remains the implantation of a pacemaker.……

关键词： Pacemaker therapy in the elderly patients

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HVEM,a cosignaling molecular switch,and its interactions with BTLA,CD160 and LIGHT

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Cellular & Molecular Immunology 2019年第7期16卷 679-682页

作者： jose Ignacio Rodriguez-Barbosa Pascal Schneider Andreas Weigert Kyung-Mi Lee Tae-Jin Kim jose-antonio Perez-Simon Maria-Luisa del Rio Transplantation Immunobiology Section Research Institutes of the University of LeonCampus of Vegazana s/n24071 LeonSpain Leon Regional Transplantation Coordination Center Leon University HospitalLeonSpain Acción Estratégica en Salud Consorcio CIBER-ONCSevilleSpain Department of Biochemistry University of Lausanne1066 EpalingesSwitzerland Institute of Biochemistry I Faculty of MedicineGoethe-University Frankfurt60590 FrankfurtGermany Department of Biochemistry and Molecular Biology Korea University College of MedicineSeoul 02841Republic of Korea Department of Biomedical Engineering Center for Bio-Integrated ElectronicsSimpson Querrey Institute for BioNanotechnologyNorthwestern UniversityEvanstonIL 60208USA Department of Hematology Virgen del Rocio University HospitalBiomedical Institute of SevillaSevillaSpain

Temporal and spatial expression of cosignaling receptors and their ligands regulates the early stages of T-cell activation(signal 1,T-cell receptor(TCR)signaling and signal 2,costimulation/coinhibition),clonal expansion and T-cell survival during their differentiation towards effector T *** the inflammatory stimulus is eliminated,effector T cells return to homeostasis after undergoing a contraction phase by activation-induced cell death and the intervention of ligands for coinhibitory receptors,leaving a population of long-term memory T *** expression of ligands for coinhibitory receptors on hematopoietic cells and,more importantly,on non-hematopoietic cells of peripheral tissues is a key process in tuning the functional activity of effector T cells to prevent excess tissue inflammation that may lead to immunopathology and subsequent tissue dysfunction.

关键词： stimulation homeostasis inflammation

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Use of subcutaneous tocilizumab to prepare intravenous solutions for COVID-19 emergency shortage:Comparative analytical study of physicochemical quality attributes

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Journal of Pharmaceutical Analysis 2020年第6期10卷 532-545页

作者： Natalia Navas Jesús Hermosilla Anabel Torrente-Lopez jose Hernandez-Jimenez jose Cabeza Raquel Perez-Roblesa antonio Salmeron-García Department of Analytical Chemistry Science Faculty/Biomedical Research Institute ibs.GranadaUniversity of GranadaGranadaE-18071Spain UGC Farmacia Hospitalaria Biomedical Research Institute ibs.Granada.Hospital Universitario San Cecilio de GranadaGranadaE-18012Spain

COVID-19,a disease caused by the novel coronavirus SARS-Co V-2,has produced a serious emergency for global public health,placing enormous stress on national health systems in many *** studies suggest that cytokine storms(interleukins)may play an important role in severe cases of *** key inflammatory factors in cytokine release syndrome(CRS)could therefore be of great value in reducing the mortality ***(TCZ)in its intravenous(IV)form of administration-Ro Actemra?20 mg/m L(Roche)-is indicated for treatment of severe CRS *** investigations have concluded that inhibition of IL-6 with TCZ appears to be efficacious and safe,with several ongoing clinical *** has led to a huge increase in demand for IV TCZ for treating severe COVID-19 patients in hospitals,which has resulted in drug ***,we present a comparability study assessing the main critical physicochemical attributes of TCZ solutions used for infusion,at 6 mg/m L and 4 mg/m L,prepared from Ro Actemra?20 mg/m L(IV form)and from Ro Actemra?162 mg(0.9 m L solution pre-filled syringe,subcutaneous(SC)form),to evaluate the use of the latter for preparing clinical solutions required for IV administration,so that in a situation of shortage of the IV medicine,the SC form could be used to prepare the solutions for IV delivery of *** is important to remember that during the current pandemic all the medicines are used off-label,since none of them has yet been approved for the treatment of COVID-19.

关键词： COVID-19 Tocilizumab Critical quality attributes IV and SC medicines

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IgA Nephropathy: Are We Doing Enough?

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Open Journal of Nephrology 2023年第2期13卷 116-125页

作者： jose Lucas Daza Yaroslad de la Cruz Luis Puello Gerardo Gutierrez Alexander Ariza antonio Vasquez Orlando Ariza Department of Internal Medicine Nephrology University of Buenos Aires Buenos Aires Argentina Department of Internal Medicine Hematology University of Buenos Aires Buenos Aires Argentina Department of Internal Medicine University of Buenos Aires Buenos Aires Argentina Department of Internal Medicine Cardiology University of Buenos Aires Buenos Aires Argentina

Immunoglobulin A nephropathy (IgAN) was first identified and described as a disease by Berger and Hinglais in 1968. It is the most common primary glomerulopathy worldwide [1], most prevalent in East Asians and Caucasians and rare in black individuals. There are four key elements that contribute to IgAN, which determine the severity, course, and prognosis of the disease: circulating IgA immunocomplexes that favor mesangial deposition, the efficiency of the reticuloendothelial system, mesangial cell affinity and reaction to mesangial accumulation of poorly glycosylated IgA1, and the renal tendency to glomerulosclerosis and interstitial fibrosis. Clinical manifestations among patients with IgAN include hematuria, approximately 40% to 50% of cases present with one or more episodes of hematuria, usually preceded by upper respiratory tract infections. Between 30% and 40% present with hematuria and non-nephrotic range proteinuria that may be associated with arterial hypertension and impaired renal function. The TESTING study reveal a significant decrease in outcomes such as the risk of a 40% decrease in glomerular filtration rate or the need for renal replacement therapy in the group treated with steroids. The decrease in renal function compared to the group treated in the previously mentioned STOP-IgAN trial was 4 times less than in the TESTING study. Are we doing enough? Obviously, more trials are required with the use of adequate nephroprotection measures. We present 3 patients with a diagnosis of IgA nephropathy who attend the follow-up consultation and voluntarily decide to take part in the review.

关键词： Immunoglobulin A Nephropathy (IgAN) Inhibition of the Renin-Angiotensin System (ACEI/ARA II) End-Stage Renal Disease (ESRD)

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