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Outpatient insulin use in type 2 diabetes mellitus and acute respiratory distress syndrome outcomes:A retrospective cohort study

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World Journal of Clinical Cases 2024年第17期12卷 2966-2975页

作者： Georges Khattar Samer Asmar laurence aoun Fares Saliba Shaza Almardini Saif Abu Baker Catherine Hong Carolla El Chamieh Fadi Haddadin Toni Habib Omar Mourad Zeina Morcos Fatema Arafa Jonathan Mina Khalil El Gharib Mohammad Aldalahmeh Salman Khan Elie Bou Sanayeh Department of Medicine Holy Spirit University of KaslikJounieh 00000Lebanon Department of Internal Medicine Staten Island University HospitalStaten IslandNY 10305United States Public Heath and Biostatistics Independent ResearchBeirut 0000Lebanon Department of Medicine Lebanese UniversityBeirut 00000Lebanon Department of Medicine University of BalamandBeirut 00000Lebanon Department of Medicine Lebanese American UniversityBeirut 00000Lebanon Department of Medicine Northwell Health Staten Island University HospitalNew YorkNY 10305United States

BACKGROUND The impact of type 2 diabetes mellitus(T2DM)on acute respiratory distress syndrome(ARDS)is debatable.T2DM was suspected to reduce the risk and complications of ***,during coronavirus disease 2019(COVID-19),T2DM predisposed patients to ARDS,especially those who were on insulin at *** evaluate the impact of outpatient insulin use in T2DM patients on non-COVID-19 ARDS *** We conducted a retrospective cohort analysis using the Nationwide Inpatient Sample *** patients diagnosed with ARDS were stratified into insulin-dependent diabetes mellitus(DM)(IDDM)and non-insulindependent DM(NIDDM)*** applying exclusion criteria and matching over 20 variables,we compared cohorts for mortality,duration of mechanical ventilation,incidence of acute kidney injury(AKI),length of stay(LOS),hospitalization costs,and other clinical *** Following 1:1 propensity score matching,the analysis included 274 patients in each ***,no statistically significant differences emerged between the IDDM and NIDDM groups in terms of mortality rates(32.8%vs 31.0%,P=0.520),median hospital LOS(10 d,P=0.537),requirement for mechanical ventilation,incidence rates of sepsis,pneumonia or AKI,median total hospitalization costs,or patient disposition upon *** Compared to alternative anti-diabetic medications,outpatient insulin treatment does not appear to exert an independent influence on in-hospital morbidity or mortality in diabetic patients with non-COVID-19 ARDS.

关键词： Acute respiratory distress syndrome Type 2 diabetes mellitus Insulin Length of stay Mortality Endotracheal intubation Acute kidney injury Coronavirus disease 2019

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Genetics of T Cell Defects in Lupus

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Cellular & Molecular Immunology 2005年第6期2卷 403-409页

作者： Yifang Chen laurence Morel Department of Pathology Immunology and Laboratory Medicine University of Florida Gainesville Fl 32610 USA Department of Medicine University of California at San Diego San DiegoCA 92093 USA

Systemic lupus erythematosus （SLE） is an autoimmune disease characterized by anti-nuclear autoantibodies that cause damage to multiple organs and tissues. Intrinsic defects have been demonstrated in the lymphoid and myeloid cellular compartments, including T cells. Lupus susceptibility is mediated through the interplay of a large number of genes, most of which are still unidentified. Most of the genetic studies in both human patients and mouse models have addressed lupus susceptibility as a whole. More recently however, more attention has been paid to the inheritance of specific lupus-associated phenotypes. In this review, we summarized our results obtained with the Slel locus in the NZM2410 mouse model, which mediates the generation of anti-histone autoreactive T cells. Slel, which is constituted of multiple genes, is the only known genomic region that is sufficient for the generation of autoreactive T cells. The identification of the corresponding genes will constitute a landmark for our understanding of the mechanisms of autoimmunlty. Our results are discussed in the context of candidate genes and the role of T cells in systemic autoimmunlty. Cellular ＆ Molecular Immunology. 2005;2（6）：403-409.

关键词： autoimmunity T cell genetics lupus mouse model

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Fecal microbiota transplantation: can it circumvent resistance to PD-1 blockade in melanoma?

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Signal Transduction and Targeted Therapy 2021年第6期6卷 1630-1631页

作者： Lisa Derosa laurence Zitvogel Gustave Roussy Comprehensive Cancer Institute ClinicobiomeVillejuifFrance Faculty of Medicine Universite Paris SaclayLe Kremlin-BicetreFrance INSERM U1015 VillejuifFrance Equipe labellisee par la Ligue contre le cancer VillejuifFrance Center of Clinical Investigations in Biotherapies of Cancer(CICBT)BIOTHERIS VillejuifFrance Suzhou Institute for Systems Medicine Chinese Academy of Medical SciencesSuzhouChina

In two recent articles,Baruch et al.1 and Davar et al.2 bring up the first proof-of-concept that fecal microbiota transplantation(FMT)transfer clinical benefit in metastatic melanoma patients primarily resistant to immune checkpoint blockade(ICB).FMT shifted the microbiota of recipients toward a donor-type taxonomic composition associated with immune activation,anti-inflammatory tonus,and changes in the host metabolism.

关键词： al. melanoma clinical

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The role of Pbx1 in T cells

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Protein & Cell 2011年第12期2卷 946-949页

作者： Mayami Sengupta laurence Morel Department of Pathology Immunology and Laboratory MedicineUniversity of FloridaGainesvilleFL 32610USA

Tissue and organ differentiation is tightly controlled to ensure proper development and function of the growing embryo as well as cells such as lymphocytes that differentiate throughout the adult *** it is vital that the genes and the protein they encode that are involved in these processes function ***,any mutation or error that occurs along the way can result in extensive damage,which is expressed in various ways in the embryo and can result in immune pathogenesis,including immunodeficiency and autoimmune diseases,when lymphocyte development is altered.

关键词： diseases lymphocytes pathogenesis

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Surgery for Peyronie＇s disease

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Asian Journal of Andrology 2013年第1期15卷 27-34页

作者： laurence A Levine Stephen M Larsen Department of Urology Rush University Medical Center Chicago IL 60612 USA

Peymnie＇s disease （PD） is most simply referred to as a fibrotic wound-healing disorder of the tunica albuginea. It is both a physically and psychologically devastating disorder that causes penile deformity, curvature, hinging, narrowing and shortening, which may compromise sexual function. Although a variety of non-surgical treatments have been suggested, none to date offer a reliable and effective correction of the penile deformity. As a result, surgery remains the gold standard treatment option, offering the most rapid and reliable treatment which will be the focus of this article. We review the preoperative evaluation, surgical algorithm, graft materials and postoperative management of PD. Outcomes for tunical shortening, tunical lengthening and penile prosthesis placement for penile straightening are reviewed. Tunica albuginea plication is the preferred method of straightening for men with adequate rigidity and less severe disease defined as curvature less than 70° without narrowing/hinging. Men who have more severe, complex deformity, but maintain strong preoperative erectile function should be considered candidates for straightening with plaque incision or partial excision and grafting. Finally, for those men who have inadequate rigidity and PD, penile prosthesis placement with straightening is the best approach to address both problems.

关键词： penile prosthesis Peyronie's disease, penile reconstruction plaque excision and grafting plaque incision tunica albuginea plication

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An overview of the management of post-vasectomy pain syndrome

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Asian Journal of Andrology 2016年第3期18卷 332-337,I0006页

作者： Wei Phin Tan laurence A Levine Department of Urology Rush University Medical Center Chicago Illinois USA.

Post-vasectomy pain syndrome remains one of the more challenging urological problems to manage. This can be a frustrating process for both the patient and clinician as there is no well-recognized diagnostic regimen or reliable effective treatment. Many of these patients will end up seeing physicians across many disciplines, further frustrating them. The etiology of post-vasectomy pain syndrome is not clearly delineated. Postulations include damage to the scrotal and spermatic cord nerve structures via inflammatory effects of the immune system, back pressure effects in the obstructed vas and epididymis, vascular stasis, nerve impingement, or perineural fibrosis. Post-vasectomy pain syndrome is defined as at least 3 months of chronic or intermittent scrotal content pain. This article reviews the current understanding of post-vasectomy pain syndrome, theories behind its pathophysiology, evaluation pathways, and treatment options.

关键词： epididymectomy microdenervation orchalgia post-vasectomy pain management post-vasectomy pain syndrome testicular pain vasectomy reversal vaso-vasostomy

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The effect of ozone on pine forests in South-Eastern France from 2017 to 2019

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Journal of Forestry Research 2023年第2期34卷 301-315页

作者： Anumol Shashikumar Svetlana Bičárová Dalstein-Richier laurence Groupe International d′Etudes Des Forêts Sud-Européennes(G.I.E.F.S) 69Avenue des Hespérides06300 NiceFrance Institute of Earth Science of the Slovak Academy of Sciences 05960 StaráLesnáTatranskáLomnicaSlovakia

In South-Eastern forests of France,risks linked to the effects of tropospheric ozone(O_(3))are real;its annual impact has been observed specifically near the coastline and in high altitude mountains during the period *** this study,the risk assessment of O_(3)pollutant was carried out using two approaches based on forest response indicators such as O_(3)specific foliar visible injury and by stomatal O_(3)*** O_(3)dose values(POD_(0))were obtained by the DO_(3)SE *** model requires hourly O_(3)concentration for POD_(0)calculation.A modified approach that uses measurements from passive samplers(monthly average O_(3)concentration)was tested for the calculation of POD_(0)and test results showed good agreement with the POD_(0)calculated using hourly O_(3)*** the model input file,the average O_(3)concentration is used for POD_(0),and this could be useful for POD_(0)calculation when the active monitor is *** this study,a flux-based assessment provided better correlation with O_(3)specific leaf injury,which is also *** visible injury in response to O_(3)indicates that Pinus cembra and Pinus halepensis are more affected and therefore more sensitive than Pinus *** POD_(0)and stomatal conductance(Gsto)seem to be induced by environmental factors,primarily rainfall and the soil water potential(fSWP).The correlation between the O_(3)flux metric and environmental variables with forest response indicators by Spearman rank test confirms *** as one of the most sensitive species to O_(3).

关键词： Ozone Foliar visible injury Phytotoxic ozone dose Stomatal conductance DO_(3)SE

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Comparison of reduced point charge models of proteins: Molecular Dynamics simulations of Ubiquitin

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Science China Chemistry 2014年第10期57卷 1340-1354页

作者： LEHERTE laurence VERCAUTEREN Daniel P. Unité de Chimie Physique Théorique et Structurale Laboratoire de Physico-Chimie Informatique Namur MEdicine & Drug Innovation Center (NAMEDIC) Department of Chemistry University of Namur Rue de Bruxelles 61 B-5000 Namur Belgium

Reduced point charge models of amino acids are used to model Ubiquitin （PDB： 1UBQ）. They are designed （i） from local ex- tremum positions in charge density （CD） distribution functions built from the Poisson equation applied to smoothed molecular electrostatic potential functions, or （ii） from local maximum positions in promolecular electron density distribution （ED） func- tions. Charge values are fitted versus all-atom Amber99 molecular electrostatic potentials. The program GROMACS is used to generate molecular dynamics trajectories of the protein, under various implementation schemes, solvation, and temperature conditions. Point charges that are not located on atoms are considered as virtual sites with a null mass and radius. The results illustrate that secondary structure is best preserved with the CD-based model at low temperatures and in vacuum. This indi- cates that local potential energy wells are consistent with the all-atom model. However, at room temperature, the structure is best conserved when point charges are forced to be located on atoms, due to a better description of the Coulomb l-4 energy terms. The ED-based model, generated at a lower resolution, led to the largest discrepancies versus the all-atom case. The CD-based model allows the formation of protein-water H-bonds with geometrical properties similar to the all-atom ones. Con- trarily, intra-molecular H-bonds are not well described. Structural, thermodynamical, and dynamical properties of proteins modelled with reduced point charge models are also significantly affected by the choice of the solvent force field.

关键词： molecular electrostatic potential electron density smoothing of molecular fields critical points point charge model protein Ubiquitin

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Pressure-sensitive plasticity of lithiated silicon in Li-ion batteries

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Acta Mechanica Sinica 2013年第3期29卷 379-387页

作者： Ke-Jie Zhao Yong-Gang Li laurence Brassart Department of Nuclear Science and Engineering and Materials Science and Engineering Massachusetts Institute of Technology Key Laboratory for Materials Physics Institute of Solid State Physics Chinese Academy of Sciences Institute of Mechanics Materials and Civil Engineering Université catholique de Louvain

Lithiation-induced plasticity is a key factor that enables Si electrodes to maintain long cycle life in Li-ion batteries. We study the plasticity of various lithiated sili-con phases based on first-principles calculations and iden-tify the linear dependence of the equivalent yield stress on the hydrostatic pressure. Such dependence may cause the compression-tension asymmetry in an amorphous Si thin film electrode from a lithiation to delithiation cycle, and leads to subsequent ratcheting of the electrode after cyclic lithiation. We propose a yield criterion of amorphous lithi-ated silicon that includes the effects of the hydrostatic stress and the lithiation reaction. We further examine the micro-scopic mechanism of deformation in lithiated silicon under mechanical load, which is attributed to the flow-defects mediated local bond switching and cavitation. Hydrostatic compression confines the flow defects thus effectively strength-ens the amorphous structure, and vice versa.

关键词： Li-ion batteries · Si · Pressure-sensitive plasticity · Ratcheting.

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Lupus at the molecular level

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Protein & Cell 2011年第12期2卷 941-943页

作者： Mayami Sengupta laurence Morel Department ofPathology ImmunologyandLaboratoryMedicineUniversityofFloridaGainesvilleFL32610USA

Systemic lupus erythematosus(SLE)is a debilitating multi-factorial autoimmune disease(Shlomchik et al.,2001;La Cava,2009;Perry et al.,2011).It involves multiple organ systems with tissue damage driven by the activation of auto-reactive Tand B cells(Bruns et al.,2000;Langer et al.,2007).It can exist for years before being diagnosed and is known to be more common in women than in *** research efforts have uncovered a complex lupus pathogenesis,many aspects of which are not very clear(Perry et al.,2011).

关键词： al. Lupus lupus

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