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Castro I, Cardoso J, Esteves C, Figueiredo A. Marchiafava-Bignami Disease: Report of a Subacute Case. Cureus 2023; 15:e34692. [PMID: 36909031 PMCID: PMC9995083 DOI: 10.7759/cureus.34692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/06/2023] [Indexed: 02/09/2023] Open
Abstract
Marchiafava-Bignami disease (MBD) is rare and often associated with chronic alcohol consumption; however, cases have been described in non-alcoholic patients with nutritional deficits. This disease manifests itself through an array of neurological signs and symptoms, from mild dysarthria or mild confusion to coma and death, and can present acutely, subacutely, or chronically, depending on their severity. The evolution of imaging technology makes magnetic resonance imaging (MRI) the gold standard for the diagnosis of this disease, although computed tomography (CT) scan is usually in the first line owing to its greater availability. The main feature for the diagnosis of MBD by brain MRI is the identification of areas of demyelination and necrosis of the corpus callosum. We report a 55-year-old male with subacute neurological deterioration whose MRI demonstrated atrophy and demyelination of the corpus callosum.
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Affiliation(s)
- Ivo Castro
- Department of Internal Medicine, Hospital Distrital de Santarém, Santarém, PRT
| | - João Cardoso
- Department of Internal Medicine, Hospital Distrital de Santarém, Santarém, PRT
| | - Cristina Esteves
- Department of Internal Medicine, Hospital Distrital de Santarém, Santarém, PRT
| | - Adelaide Figueiredo
- Department of Internal Medicine, Hospital Distrital de Santarém, Santarém, PRT
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Ribeiro C, Castro I, Lopes S, Paupério G. Unintended intrapleural insertion of an epidural catheter in thoracic surgery: regional analgesia game over, or is there another way out? Rev Esp Anestesiol Reanim (Engl Ed) 2022; 69:597-601. [PMID: 36220733 DOI: 10.1016/j.redare.2021.05.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 05/28/2021] [Indexed: 06/16/2023]
Abstract
In thoracic surgery, optimized pain control is crucial to prevent dysfunction in cardiorespiratory mechanics. Epidural anesthesia (EA) and paravertebral block (PVB) are the most popular techniques for analgesia. Unintended intrapleural insertion of an epidural catheter is a rare complication. Our report presents a case of a patient submitted to pulmonary tumor resection by video-assisted thoracoscopic surgery (VATS). There was difficulty in epidural insertion related to patient's obesity, but after general anesthesia induction, no additional intravenous analgesia was needed after epidural injection. Surgery required conversion to thoracotomy, with intrapleural identification of epidural catheter. At the end of surgery, surgeons reoriented catheter to paravertebral space, with leak absence confirmation after local anesthetic injection through the catheter. In postoperative period, pain control was efficient, with no complications. It was a successful case that shows that when we find unexpected complications, we can look for alternative solutions to give our patient the best treatment.
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Affiliation(s)
- C Ribeiro
- Department of Anesthesiology, Centro Hospitalar do Baixo Vouga, Aveiro, Portugal.
| | - I Castro
- Department of Anesthesiology, Instituto Português de Oncologia do Porto Francisco Gentil, Porto, Portugal
| | - S Lopes
- Thoracic Surgery, Instituto Português de Oncologia do Porto Francisco Gentil, Porto, Portugal
| | - G Paupério
- Thoracic Surgery, Instituto Português de Oncologia do Porto Francisco Gentil, Porto, Portugal
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Carvajal P, Bahamondes V, Jara D, Barrera MJ, Castro I, Aguilera S, González S, Molina C, González MJ. POS0100 ACTIVATION OF THE CELLULAR INTEGRATED STRESS RESPONSE IN LABIAL SALIVARY GLANDS FROM SJÖGREN’S SYNDROME PATIENTS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundSjögren’s syndrome (SS) is a chronic autoimmune disease characterized by inflammation of the exocrine glands and severe symptoms of eye and mouth dryness. Disorders in the saliva secretion process have been associated with oxidative and endoplasmic reticulum (ER) stress in combination with inflammatory responses. The integrated stress response (ISR) is a mechanism that allows cells to modify their gene expression program to restore homeostasis and promote their survival against various extrinsic and intrinsic stress signals, such as hypoxia, nutrient deprivation, viral infections, inflammatory factors (cytokines, chemokines, inflammasomes), and accumulation of unfolded proteins in the ER, among others (1). The ISR is regulated by four kinases: PERK, PKR, HRI and GCN2, that dimerize and autophosphorylate to become active and each one responds to different stress stimuli. The signaling pathways that are activated in response to stress factors stimulate the phosphorylation of eIF2α, which causes a transient inhibition of global protein synthesis and induction of synthesis of some specific genes like ATF4 and NRF2. ATF4 induces the transcription of genes involved in metabolism and nutrient uptake, redox status, and regulation of apoptosis. Dephosphorylation of eIF2α is the ISR termination signal to restore protein synthesis and is mediated by the PP1 complex, which recruits the catalytic subunit PP1c and one of its two regulatory subunits: GADD34 or CREP.ObjectivesTo evaluate the presence and functional state (phosphorylation) of the ISR sensing kinases: PERK, PKR, HRI and GCN2; the levels of eIF2α /p-eIF2α and the key ISR transcription factors ATF4 and NRF2, as well as subunits of the complex involved in the ISR termination: PP1c, GADD34 and CREP in labial salivary glands (LSG) of SS-patients.MethodsBiopsies of LSG from 12 SS-patients and 11 control subjects were studied. The levels of mRNA, protein and phospho (p)-protein of the ISR components were determined by RT-qPCR and Western blotting.ResultsOur results show increased levels of p-PERK/PERK ratio (11/11), PKR (7/11), p-PKR (7/11), p-PKR/PKR ratio (7/11), eIF2α (5/11), p-eIF2α (5/11) and ATF4 (11/11) in LSG from SS-patients compared to control subjects. No significant changes were found in mRNA levels of HRI, GCN2, and GADD34 between LSG from SS-patients and control subjects. Decreased protein levels of HRI (8/12), p-GCN2 (6/11), eIF2α (6/11), p-eIF2α (6/11), NRF2 (11/12), and p-NRF2 (12/12) were found in LSG showing scarce parenchyma and high fibrosis and fat infiltration. On the other hand, PP1c and CREP showed decreased mRNA and protein levels in all SS-patients LSG. Interestingly, Ro autoantibodies and focus score were negatively correlated with PP1c and NRF2 mRNA and protein levels whereas positively correlated with PKR mRNA levels.ConclusionThe overexpression and activation of some ISR kinases together with the decrease in the PP1c/CREP phosphatase complex suggests a continuous activation of ISR, resulting in p-eIF2α to remain activated in LSG from SS-patients. This would explain the high protein levels of ATF4 and of target genes involved in the antioxidant response in LSG from SS patients suggesting that ISR activation plays a key role in pro-survival response to cellular stress.References[1]Pakos-Zebrucka K, Koryga I, Mnich K, Ljujic M, Samali A, Gorman AM. The integrated stress response. EMBO Rep. 2016;17(10):1374-95.AcknowledgementsThis work was supported by Fondecyt-Chile 1210055; Enlace-VID Universidad de Chile [ENL04/20 to MJG]; Fondecyt Iniciacion 11201058 and PhD fellowship Conicyt Chile.Disclosure of InterestsNone declared
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Barrera MJ, Castro I, Carvajal P, Aguilera S, Jara D, González S, Molina C, González MJ. POS0455 TOFACITINIB DECREASES INFLAMMATORY MARKERS AND MITOCHONDRIAL MORPHOLOGICAL DAMAGE IN SALIVARY GLANDS OF A MURINE MODEL OF SJÖGREN’S SYNDROME. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.2110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundAltered homeostasis of salivary gland (SG) epithelial cells in Sjögren’s syndrome (SS) patients could be the initiating factor that leads to inflammation, as well as secretory dysfunction. Mitochondria are important organelles involved in cellular metabolism and their dysfunction can induce a loss of homeostasis and inflammation. Altered mitochondrion can release mitochondrial components that can act as damage-associated molecular patterns (DAMPs) and induce an inflammatory response via pattern recognition receptors (PRRs) such as the NLRP3 inflammasome, TLR9, cGAS/STING, and ZBP1 (1). Previously we determined that SG from SS patients showed and altered autophagy, which is associated to an increased pro-inflammatory cytokines expression. Interestingly, increased expression of pro-inflammatory markers such as IL-6, was reversed by JAK inhibitor tofacitinib in three-dimensional (3D)-acini deficient in autophagy (2). It is not clear whether the alterations in autophagy found in SG patients include alterations in mitochondrial clearance (mitophagy) that may lead to the accumulation of damaged mitochondria and enhanced inflammation. In this context, recent results of our laboratory showed, for the first time, severe ultrastructural alterations of mitochondria in SG cells from SS patients (1). However, it remains to be determined if these alterations are related to inflammation and if an anti-inflammatory agent could regulate these processes.ObjectivesTo analyze the effect of tofacitinib on the mitochondrial ultrastructure in submandibular glands of a murine model of SS. In addition, to evaluate the effect of tofacitinib on the expression and activation of some PRRs involved in the recognition of mitochondrial DAMPs in the same murine model.MethodsSix-month-old female NOD.B10Sn-H2b/J mice (Jackson Laboratories, USA) were used with 4-5 mice per group. Procedures were approved by the Universidad de Chile Animal Care and Use Committee. 30 mg/kg/day tofacitinib citrate was administered by oral gavage. After 28 days of tofacitinib or vehicle administration, their submandibular glands were obtained, which were processed to evaluate the mitochondrial ultrastructure by electron microscopy or lysed in RIPA buffer to obtain proteins. The protein levels of PRRs: NLRP3, TLR9, ZBP-1, and cGAs, as well as molecules activated downstream of cGAS and ZBP-1 such as TBK1, pTBK1, pSTING, and STING were determined by Western blotting.ResultsThe results show that the mitochondria of the glandular epithelial cells of NOD.B10Sn-H2b/J mice treated with vehicle (control) present alterations such as swelling, disruption of membranes and crest disorganization that previously were reported in patients with SS (1). Interestingly, tofacitinib treatment improves the architecture of mitochondria. On the other hand, the protein levels of PRRs such as NLRP3 and cGAS decreased in mice treated with tofacitinib, as well as pTBK1.ConclusionThe altered morphology of mitochondria together with the increased protein levels of PRRs and downstream markers of these PRRs suggests release of mitochondrial DAMPs in submandibular glands of NOD.B10Sn-H2b/J mice. The improvement in mitochondrial morphology as well as the decrease in PRRs activation under tofacitinib treatment suggest a potential use of this anti-inflammatory agent in mitochondrial alterations associated with inflammation. Many questions remain to be addressed, such as determining which mitochondrial DAMP might be being released and whether this is associated with impaired mitochondrial function in SS.References[1]Barrera, M. J., et al (2021). Dysfunctional mitochondria as critical players in the inflammation of autoimmune diseases: Potential role in Sjögren’s syndrome. Autoimmunity reviews, 20(8), 102867.[2]Barrera, M. J., et al (2021). Tofacitinib counteracts IL-6 overexpression induced by deficient autophagy: implications in Sjögren’s syndrome. Rheumatology (Oxford, England), 60(4), 1951–1962.AcknowledgementsThis work was supported by Fondecyt Iniciación 11201058 and Fondecyt-Chile 1210055.Disclosure of InterestsNone declared.
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Abbas A, Abdukahil SA, Abdulkadir NN, Abe R, Abel L, Absil L, Acharya S, Acker A, Adachi S, Adam E, Adrião D, Ageel SA, Ahmed S, Ain Q, Ainscough K, Aisa T, Ait Hssain A, Ait Tamlihat Y, Akimoto T, Akmal E, Al Qasim E, Alalqam R, Alam T, Al-dabbous T, Alegesan S, Alegre C, Alessi M, Alex B, Alexandre K, Al-Fares A, Alfoudri H, Ali I, Ali Shah N, Alidjnou KE, Aliudin J, Alkhafajee Q, Allavena C, Allou N, Altaf A, Alves J, Alves JM, Alves R, Amaral M, Amira N, Ammerlaan H, Ampaw P, Andini R, Andrejak C, Angheben A, Angoulvant F, Ansart S, Anthonidass S, Antonelli M, Antunes de Brito CA, Anwar KR, Apriyana A, Arabi Y, Aragao I, Arali R, Arancibia F, Araujo C, Arcadipane A, Archambault P, Arenz L, Arlet JB, Arnold-Day C, Aroca A, Arora L, Arora R, Artaud-Macari E, Aryal D, Asaki M, Asensio A, Ashley E, Ashraf M, Ashraf S, Asim M, Assie JB, Asyraf A, Atique A, Attanyake AMUL, Auchabie J, Aumaitre H, Auvet A, Azemar L, Azoulay C, Bach B, Bachelet D, Badr C, Baig N, Baillie JK, Baird JK, Bak E, Bakakos A, Bakar NA, Bal A, Balakrishnan M, Balan V, Bani-Sadr F, Barbalho R, Barbosa NY, Barclay WS, Barnett SU, Barnikel M, Barrasa H, Barrelet A, Barrigoto C, Bartoli M, Bartone C, Baruch J, Bashir M, Basmaci R, Basri MFH, Bastos D, Battaglini D, Bauer J, Bautista Rincon DF, Bazan Dow D, Bedossa A, Bee KH, Behilill S, Beishuizen A, Beljantsev A, Bellemare D, Beltrame A, Beltrão BA, Beluze M, Benech N, Benjiman LE, Benkerrou D, Bennett S, Bento L, Berdal JE, Bergeaud D, Bergin H, Bernal Sobrino JL, Bertoli G, Bertolino L, Bessis S, Betz A, Bevilcaqua S, Bezulier K, Bhatt A, Bhavsar K, Bianchi I, Bianco C, Bidin FN, Bikram Singh M, Bin Humaid F, Bin Kamarudin MN, Bissuel F, Biston P, Bitker L, Blanco-Schweizer P, Blier C, Bloos F, Blot M, Blumberg L, Boccia F, Bodenes L, Bogaarts A, Bogaert D, Boivin AH, Bolze PA, Bompart F, Bonfasius A, Borges D, Borie R, Bosse HM, Botelho-Nevers E, Bouadma L, Bouchaud O, Bouchez S, Bouhmani D, Bouhour D, Bouiller K, Bouillet L, Bouisse C, Boureau AS, Bourke J, Bouscambert M, Bousquet A, Bouziotis J, Boxma B, Boyer-Besseyre M, Boylan M, Bozza FA, Brack M, Braconnier A, Braga C, Brandenburger T, Brás Monteiro F, Brazzi L, Breen D, Breen P, Breen P, Brett S, Brickell K, Broadley T, Browne A, Browne S, Brozzi N, Brusse-Keizer M, Buchtele N, Buesaquillo C, Bugaeva P, Buisson M, Burhan E, Burrell A, Bustos IG, Butnaru D, Cabie A, Cabral S, Caceres E, Cadoz C, Callahan M, Calligy K, Calvache JA, Cam J, Campana V, Campbell P, Campisi J, Canepa C, Cantero M, Caraux-Paz P, Cárcel S, Cardellino CS, Cardoso F, Cardoso F, Cardoso N, Cardoso S, Carelli S, Carlier N, Carmoi T, Carney G, Carpenter C, Carqueja I, Carret MC, Carrier FM, Carroll I, Carson G, Carton E, Casanova ML, Cascão M, Casey S, Casimiro J, Cassandra B, Castañeda S, Castanheira N, Castor-Alexandre G, Castrillón H, Castro I, Catarino A, Catherine FX, Cattaneo P, Cavalin R, Cavalli GG, Cavayas A, Ceccato A, Cervantes-Gonzalez M, Chair A, Chakveatze C, Chan A, Chand M, Chantalat Auger C, Chapplain JM, Chas J, Chaudary M, Chávez Iñiguez JS, Chen A, Chen YS, Cheng MP, Cheret A, Chiarabini T, Chica J, Chidambaram SK, Chin-Tho L, Chirouze C, Chiumello D, Cho HJ, Cho SM, Cholley B, Chopin MC, Chow TS, Chow YP, Chua HJ, Chua J, Cidade JP, Cisneros Herreros JM, Citarella BW, Ciullo A, Clarke E, Clarke J, Claure Del Granado R, Clohisey S, Cobb JP, Coca N, Codan C, Cody C, Coelho A, Coles M, Colin G, Collins M, Colombo SM, Combs P, Connolly J, Connor M, Conrad A, Contreras S, Conway E, Cooke GS, Copland M, Cordel H, Corley A, Cormican S, Cornelis S, Cornet AD, Corpuz AJ, Cortegiani A, Corvaisier G, Costigan E, Couffignal C, Couffin-Cadiergues S, Courtois R, Cousse S, Cregan R, Crepy D'Orleans C, Croonen S, Crowl G, Crump J, Cruz C, Cruz Berm JL, Cruz Rojo J, Csete M, Cucino A, Cullen A, Cullen C, Cummings M, Curley G, Curlier E, Curran C, Custodio P, da Silva Filipe A, Da Silveira C, Dabaliz AA, Dagens A, Dahly D, Dalton H, Dalton J, Daly S, D'Amico F, Daneman N, Daniel C, Dankwa EA, Dantas J, D’Aragon F, de Boer M, de Loughry G, de Mendoza D, De Montmollin E, de Oliveira França RF, de Pinho Oliveira AI, De Rosa R, de Silva T, de Vries P, Deacon J, Dean D, Debard A, DeBenedictis B, Debray MP, DeCastro N, Dechert W, Deconninck L, Decours R, Defous E, Delacroix I, Delaveuve E, Delavigne K, Delfos NM, Deligiannis I, Dell'Amore A, Delmas C, Delobel P, Delsing C, Demonchy E, Denis E, Deplanque D, Depuydt P, Desai M, Descamps D, Desvallée M, Dewayanti S, Diallo A, Diamantis S, Dias A, Diaz P, Diaz R, Diaz Diaz JJ, Didier K, Diehl JL, Dieperink W, Dimet J, Dinot V, Diop F, Diouf A, Dishon Y, Dixit D, Djossou F, Docherty AB, Doherty H, Dondorp AM, Dong A, Donnelly CA, Donnelly M, Donohue C, Donohue S, Donohue Y, Doran C, Doran P, Dorival C, D'Ortenzio E, Douglas JJ, Douma R, Dournon N, Downer T, Downey J, Downing M, Drake T, Driscoll A, Dryden M, Duarte Fonseca C, Dubee V, Dubos F, Ducancelle A, Duculan T, Dudman S, Duggal A, Dunand P, Dunning J, Duplaix M, Durante-Mangoni E, Durham III L, Dussol B, Duthoit J, Duval X, Dyrhol-Riise AM, Ean SC, Echeverria-Villalobos M, Egan S, Eira C, El Sanharawi M, Elapavaluru S, Elharrar B, Ellerbroek J, Eloy P, Elshazly T, Elyazar I, Enderle I, Endo T, Eng CC, Engelmann I, Enouf V, Epaulard O, Escher M, Esperatti M, Esperou H, Esposito-Farese M, Estevão J, Etienne M, Ettalhaoui N, Everding AG, Evers M, Fabre I, Fabre M, Faheem A, Fahy A, Fairfield CJ, Fakar Z, Faria P, Farooq A, Farrar JJ, Farshait N, Fateena H, Fatoni AZ, Faure K, Favory R, Fayed M, Feely N, Feeney L, Fernandes J, Fernandes M, Fernandes S, Ferrand FX, Ferrand Devouge E, Ferrão J, Ferraz M, Ferreira B, Ferreira S, Ferrer-Roca R, Ferriere N, Ficko C, Figueiredo-Mello C, Fiorda J, Flament T, Flateau C, Fletcher T, Florio LL, Flynn B, Flynn D, Foley C, Foley J, Fomin V, Fonseca T, Fontela P, Forsyth S, Foster D, Foti G, Fourn E, Fowler RA, Fraher DM, Franch-Llasat D, Fraser C, Fraser JF, Freire MV, Freitas Ribeiro A, Friedrich C, Fritz R, Fry S, Fuentes N, Fukuda M, Gaborieau V, Gaci R, Gagliardi M, Gagnard JC, Gagné N, Gagneux-Brunon A, Gaião S, Gail Skeie L, Gallagher P, Gallego Curto E, Gamble C, Gani Y, Garan A, Garcia R, García Barrio N, Garcia-Diaz J, Garcia-Gallo E, Garimella N, Garot D, Garrait V, Gauli B, Gault N, Gavin A, Gavrylov A, Gaymard A, Gebauer J, Geraud E, Gerbaud Morlaes L, Germano N, ghisulal PK, Ghosn J, Giani M, Giaquinto C, Gibson J, Gigante T, Gilg M, Gilroy E, Giordano G, Girvan M, Gissot V, Gitahi J, Giwangkancana G, Glikman D, Glybochko P, Gnall E, Goco G, Goehringer F, Goepel S, Goffard JC, Goh JY, Golob J, Gomes R, Gomez K, Gómez-Junyent J, Gominet M, Gonzalez A, Gordon P, Gordon A, Gorenne I, Goubert L, Goujard C, Goulenok T, Grable M, Graf J, Grandin EW, Granier P, Grasselli G, Grazioli L, Green CA, Greene C, Greenhalf W, Greffe S, Grieco DL, Griffee M, Griffiths F, Grigoras I, Groenendijk A, Grosse Lordemann A, Gruner H, Gu Y, Guarracino F, Guedj J, Guego M, Guellec D, Guerguerian AM, Guerreiro D, Guery R, Guillaumot A, Guilleminault L, Guimarães de Castro M, Guimard T, Haalboom M, Haber D, Habraken H, Hachemi A, Hadri N, Haidash O, Haider S, Haidri F, Hakak S, Hall A, Hall M, Halpin S, Hamer A, Hamers R, Hamidfar R, Hammond T, Han LY, Haniffa R, Hao KW, Hardwick H, Harrison EM, Harrison J, Harrison SBE, Hartman A, Hashmi J, Hashmi M, Hayat M, Hayes A, Hays L, Heerman J, Heggelund L, Hendry R, Hennessy M, Henriquez A, Hentzien M, Herekar F, Hernandez-Montfort J, Herr D, Hershey A, Hesstvedt L, Hidayah A, Higgins D, Higgins E, HigginsOKeeffe G, Hinchion R, Hinton S, Hiraiwa H, Hitoto H, Ho A, Ho YB, Hoctin A, Hoffmann I, Hoh WH, Hoiting O, Holt R, Holter JC, Horby P, Horcajada JP, Hoshino K, Hoshino K, Houas I, Hough CL, Houltham S, Hsu JMY, Hulot JS, Hussain I, Ijaz S, Illes HG, Imbert P, Imran M, Imran Sikander R, Inácio H, Infante Dominguez C, Ing YS, Iosifidis E, Ippolito M, Isgett S, Ishani PGPI, Isidoro T, Ismail N, Isnard M, Itai J, Ito A, Ivulich D, Jaafar D, Jaafoura S, Jabot J, Jackson C, Jamieson N, Jaquet P, Jassat W, Jaud-Fischer C, Jaureguiberry S, Javidfar J, Jawad I, Jaworsky D, Jayakumar D, Jego F, Jelani AM, Jenum S, Jimbo-Sotomayor R, Job VDP, Joe OY, Jorge García RN, Joseph C, Joseph M, Joshi S, Jourdain M, Jouvet P, June J, Jung A, Jung H, Juzar D, Kafif O, Kaguelidou F, Kaisbain N, Kaleesvran T, Kali S, Kalicinska A, Kalomoiri S, Kamal S, Kamaluddin MAA, Kamaruddin ZAC, Kamarudin N, Kandamby DH, Kandel C, Kang KY, Kant R, Kanwal D, Kanyawati D, Karki B, Karpayah P, Karsies T, Kartsonaki C, Kasugai D, Kataria A, Katz K, Kaur A, Kaur Johal S, Kawasaki T, Kay C, Keane H, Keating S, Kellam P, Kelly A, Kelly A, Kelly C, Kelly N, Kelly S, Kelly Y, Kelsey M, Kennedy R, Kennon K, Kernan M, Kerroumi Y, Keshav S, Kestelyn E, Khalid I, Khalid O, Khalil A, Khan C, Khan I, Khanal S, Kho ME, Khoo D, Khoo R, Khoo S, Khoso N, Kiat KH, Kida Y, Kiiza P, Kildal AB, Kim JB, Kimmoun A, Kindgen-Milles D, King A, Kitamura N, Klenerman P, Klont R, Kloumann Bekken G, Knight S, Kobbe R, Kodippily C, Kohns Vasconcelos M, Koirala S, Komatsu M, Korten V, Kosgei C, Kpangon A, Krawczyk K, Krishnan S, Krishnan V, Kruglova O, Kumar A, Kumar D, Kumar G, Kumar M, Kumar Vecham P, Kuriakose D, Kurtzman E, Kusumastuti NP, Kutsogiannis D, Kutsyna G, Kyriakoulis K, Lachatre M, Lacoste M, Laffey JG, Lagrange M, Laine F, Lairez O, Lakhey S, Lalueza A, Lambert M, Lamontagne F, Langelot-Richard M, Langlois V, Lantang EY, Lanza M, Laouénan C, Laribi S, Lariviere D, Lasry S, Latif N, Launay O, Laureillard D, Lavie-Badie Y, Law A, Lawrence C, Lawrence T, Le M, Le Bihan C, Le Bris C, Le Falher G, Le Fevre L, Le Hingrat Q, Le Maréchal M, Le Mestre S, Le Moal G, Le Moing V, Le Nagard H, Le Turnier P, Leal E, Leal Santos M, Lee BH, Lee HG, Lee J, Lee SH, Lee TC, Lee YL, Leeming G, Lefebvre B, Lefebvre L, Lefevre B, LeGac S, Lelievre JD, Lellouche F, Lemaignen A, Lemee V, Lemeur A, Lemmink G, Lene HS, Lennon J, León R, Leone M, Leone M, Lepiller Q, Lescure FX, Lesens O, Lesouhaitier M, Lester-Grant A, Levy B, Levy Y, Levy-Marchal C, Lewandowska K, L'Her E, Li Bassi G, Liang J, Liaquat A, Liegeon G, Lim KC, Lim WS, Lima C, Lina B, Lina L, Lind A, Lingas G, Lion-Daolio S, Lissauer S, Liu K, Livrozet M, Lizotte P, Loforte A, Lolong N, Loon LC, Lopes D, Lopez-Colon D, Loschner AL, Loubet P, Loufti B, Louis G, Lourenco S, Lovelace-Macon L, Low LL, Lowik M, Loy JS, Lucet JC, Lumbreras Bermejo C, Luna CM, Lungu O, Luong L, Luque N, Luton D, Lwin N, Lyons R, Maasikas O, Mabiala O, MacDonald S, MacDonald S, Machado M, Macheda G, Macias Sanchez J, Madhok J, Maestro de la Calle G, Mahieu R, Mahy S, Maia AR, Maier LS, Maillet M, Maitre T, Malfertheiner M, Malik N, Mallon P, Maltez F, Malvy D, Manda V, Mandei JM, Mandelbrot L, Manetta F, Mangal K, Mankikian J, Manning E, Manuel A, Maria Sant`Ana Malaque C, Marino D, Marino F, Markowicz S, Maroun Eid C, Marques A, Marquis C, Marsh B, Marsh L, Marshal M, Marshall J, Martelli CT, Martin DA, Martin E, Martin-Blondel G, Martinelli A, Martin-Loeches I, Martinot M, Martin-Quiros A, Martins A, Martins J, Martins N, Martins Rego C, Martucci G, Martynenko O, Marwali EM, Marzukie M, Masa Jimenez JF, Maslove D, Maslove D, Mason P, Mason S, Masood S, Masood S, Mat Nor B, Matan M, Mateus Fernandes H, Mathew M, Mathieu D, Mattei M, Matulevics R, Maulin L, Maxwell M, Maynar J, Mazzoni T, Mc Sweeney L, McAndrew L, McArthur C, McCarthy A, McCarthy A, McCloskey C, McConnochie R, McDermott S, McDonald SE, McElroy A, McElwee S, McEneany V, McEvoy N, McGeer A, McKay C, McKeown J, McLean KA, McNally P, McNicholas B, McPartlan E, Meaney E, Mear-Passard C, Mechlin M, Meher M, Mehkri O, Mele F, Melo L, Memon K, Mendes JJ, Menkiti O, Menon K, Mentré F, Mentzer AJ, Mercier E, Mercier N, Merckx A, Mergeay-Fabre M, Mergler B, Merson L, Mesquita A, Metwally O, Meybeck A, Meyer D, Meynert AM, Meysonnier V, Meziane A, Mezidi M, Michelagnoli G, Michelanglei C, Michelet I, Mihelis E, Mihnovit V, Miranda-Maldonado H, Misnan NA, Mohamed NNE, Mohamed TJ, Moin A, Molina D, Molinos E, Molloy B, Mone M, Monteiro A, Montes C, Montrucchio G, Moore S, Moore SC, Morales Cely L, Moro L, Morocho Tutillo DR, Morton B, Motherway C, Motos A, Mouquet H, Mouton Perrot C, Moyet J, Mudara C, Mufti AK, Muh NY, Muhamad D, Mullaert J, Muller F, Müller KE, Munblit D, Muneeb S, Munir N, Munshi L, Murphy A, Murphy A, Murphy L, Murris M, Murthy S, Musaab H, Muyandy G, Myrodia DM, N N, Nagpal D, Nagrebetsky A, Narasimhan M, Narayanan N, Nasim Khan R, Nazerali-Maitland A, Neant N, Neb H, Nekliudov NA, Nelwan E, Neto R, Neumann E, Neves B, Ng PY, Nghi A, Nguyen D, Ni Choileain O, Ni Leathlobhair N, Nichol A, Nitayavardhana P, Nonas S, Noordin NAM, Noret M, Norharizam NFI, Norman L, Notari A, Noursadeghi M, Nowicka K, Nowinski A, Nseir S, Nunez JI, Nurnaningsih N, Nyamankolly E, O Brien F, O'Callaghan A, Occhipinti G, OConnor D, O'Donnell M, Ogston T, Ogura T, Oh TH, O'Halloran S, O'Hearn K, Ohshimo S, Oldakowska A, Oliveira J, Oliveira L, Olliaro PL, O'Neil C, Ong DS, Ong JY, Oosthuyzen W, Opavsky A, Openshaw P, Orakzai S, Orozco-Chamorro CM, Orquera A, Ortoleva J, Osatnik J, O'Shea L, O'Sullivan M, Othman SZ, Ouamara N, Ouissa R, Owyang C, Oziol E, Pabasara HMU, Pagadoy M, Pages J, Palacios A, Palacios M, Palmarini M, Panarello G, Panda PK, Paneru H, Pang LH, Panigada M, Pansu N, Papadopoulos A, Parke R, Parker M, Parra B, Parrini V, Pasha T, Pasquier J, Pastene B, Patauner F, Patel J, Pathmanathan MD, Patrão L, Patricio P, Patrier J, Patterson L, Pattnaik R, Paul C, Paul M, Paulos J, Paxton WA, Payen JF, Peariasamy K, Pedrera Jiménez M, Peek GJ, Peelman F, Peiffer-Smadja N, Peigne V, Pejkovska M, Pelosi P, Peltan ID, Pereira R, Perez D, Periel L, Perpoint T, Pesenti A, Pestre V, Petrou L, Petrov-Sanchez V, Pettersen FO, Peytavin G, Pharand S, Piagnerelli M, Picard W, Picone O, Piero MD, Pierobon C, Piersma D, Pimentel C, Pinto R, Pires C, Pironneau I, Piroth L, Pius R, Piva S, Plantier L, Plotkin D, Png HS, Poissy J, Pokeerbux R, Pokorska-Spiewak M, Poli S, Pollakis G, Ponscarme D, Popielska J, Post AM, Postma DF, Povoa P, Póvoas D, Powis J, Prapa S, Preau S, Prebensen C, Preiser JC, Prinssen A, Pritchard MG, Priyadarshani GDD, Proença L, Pudota S, Puéchal O, Pujo Semedi B, Pulicken M, Puntoni M, Purcell G, Quesada L, Quinones-Cardona V, Quirós González V, Quist-Paulsen E, Quraishi M, Rabaa M, Rabaud C, Rabindrarajan E, Rafael A, Rafiq M, Ragazzo G, Rahman AKHA, Rahman RA, Rahutullah A, Rainieri F, Rajahram GS, Rajapakse N, Ralib A, Ramakrishnan N, Ramanathan K, Ramli AA, Rammaert B, Ramos GV, Rana A, Rangappa R, Ranjan R, Rapp C, Rashan A, Rashan T, Rasheed G, Rasmin M, Rätsep I, Rau C, Ravi T, Raza A, Real A, Rebaudet S, Redl S, Reeve B, Rehan A, Rehman A, Reid L, Reid L, Reikvam DH, Reis R, Rello J, Remppis J, Remy M, Ren H, Renk H, Resende L, Resseguier AS, Revest M, Rewa O, Reyes LF, Reyes T, Ribeiro MI, Richardson D, Richardson D, Richier L, Ridzuan SNAA, Riera J, Rios AL, Rishu A, Rispal P, Risso K, Rivera Nuñez MA, Rizer N, Robb D, Robba C, Roberto A, Roberts S, Robertson DL, Robineau O, Roche-Campo F, Rodari P, Rodeia S, Rodriguez Abreu J, Roessler B, Roger C, Roger PM, Roilides E, Rojek A, Romaru J, Roncon-Albuquerque Jr R, Roriz M, Rosa-Calatrava M, Rose M, Rosenberger D, Rossanese A, Rossetti M, Rossignol B, Rossignol P, Rousset S, Roy C, Roze B, Rusmawatiningtyas D, Russell CD, Ryan M, Ryan M, Ryckaert S, Rygh Holten A, Saba I, Sadaf S, Sadat M, Sahraei V, Saint-Gilles M, Sakiyalak P, Salahuddin N, Salazar L, Saleem J, Saleem J, Sales G, Sallaberry S, Salmon Gandonniere C, Salvator H, Sanchez O, Sánchez Choez X, Sanchez de Oliveira K, Sanchez-Miralles A, Sancho-Shimizu V, Sandhu G, Sandhu Z, Sandrine PF, Sandulescu O, Santos M, Sarfo-Mensah S, Sarmento Banheiro B, Sarmiento ICE, Sarton B, Satyapriya S, Satyawati R, Saviciute E, Savio R, Savvidou P, Saw YT, Schaffer J, Schermer T, Scherpereel A, Schneider M, Schroll S, Schwameis M, Schwartz G, Scott JT, Scott-Brown J, Sedillot N, Seitz T, Selvanayagam J, Selvarajoo M, Semaille C, Semple MG, Senian RB, Senneville E, Sepulveda C, Sequeira F, Sequeira T, Serpa Neto A, Serrano Balazote P, Shadowitz E, Shahidan SA, Shahnaz Hasan M, Shamsah M, Shankar A, Sharjeel S, Sharma P, Shaw CA, Shaw V, Shi H, Shiban N, Shiekh M, Shiga T, Shime N, Shimizu H, Shimizu K, Shimizu N, Shindo N, Shrapnel S, Shum HP, Si Mohammed N, Siang NY, Sibiude J, Siddiqui A, Sigfrid L, Sillaots P, Silva C, Silva MJ, Silva R, Sim Lim Heng B, Sin WC, Singh BC, Singh P, Sitompul PA, Sivam K, Skogen V, Smith S, Smood B, Smyth C, Smyth M, Smyth M, Snacken M, So D, Soh TV, Solis M, Solomon J, Solomon T, Somers E, Sommet A, Song MJ, Song R, Song T, Song Chia J, Sonntagbauer M, Soom AM, Sotto A, Soum E, Sousa AC, Sousa M, Sousa Uva M, Souza-Dantas V, Sperry A, Spinuzza E, Sri Darshana BPSR, Sriskandan S, Stabler S, Staudinger T, Stecher SS, Steinsvik T, Stienstra Y, Stiksrud B, Stolz E, Stone A, Streinu-Cercel A, Streinu-Cercel A, Strudwick S, Stuart A, Stuart D, Subekti D, Suen G, Suen JY, Sukumar P, Sultana A, Summers C, Supic D, Suppiah D, Surovcová M, Suwarti S, Svistunov AA, Syahrin S, Syrigos K, Sztajnbok J, Szuldrzynski K, Tabrizi S, Taccone FS, Tagherset L, Taib SM, Talarek E, Taleb S, Talsma J, Tampubolon ML, Tan KK, Tan LV, Tan YC, Tanaka C, Tanaka H, Tanaka T, Taniguchi H, Tanveer H, Taqdees H, Taqi A, Tardivon C, Tattevin P, Taufik MA, Tawfik H, Tedder RS, Tee TY, Teixeira J, Tejada S, Tellier MC, Teoh SK, Teotonio V, Téoulé F, Terpstra P, Terrier O, Terzi N, Tessier-Grenier H, Tey A, Thabit AAM, Tham ZD, Thangavelu S, Thibault V, Thiberville SD, Thill B, Thirumanickam J, Thompson S, Thomson D, Thomson EC, Thurai SRT, Thuy DB, Thwaites RS, Tierney P, Tieroshyn V, Timashev PS, Timsit JF, Tirupakuzhi Vijayaraghavan BK, Tissot N, Toh JZY, Toki M, Tolppa T, Tonby K, Tonnii SL, Torres A, Torres M, Torres Santos-Olmo RM, Torres-Zevallos H, Towers M, Trapani T, Traynor D, Treoux T, Trieu HT, Tripathy S, Tromeur C, Trontzas I, Trouillon T, Truong J, Tual C, Tubiana S, Tuite H, Turmel JM, Turtle LC, Tveita A, Twardowski P, Uchiyama M, Udayanga PGI, Udy A, Ullrich R, Umer Z, Uribe A, Usman A, Vajdovics C, Val-Flores L, Valle AL, Valran A, Van de Velde S, van den Berge M, van der Feltz M, van der Valk P, Van Der Vekens N, Van der Voort P, Van Der Werf S, van Dyk M, van Gulik L, Van Hattem J, van Lelyveld S, van Netten C, Van Twillert G, van Veen I, Vanel N, Vanoverschelde H, Varghese P, Varrone M, Vasudayan SR, Vauchy C, Vaughan H, Veeran S, Veislinger A, Vencken S, Ventura S, Verbon A, Vidal JE, Vieira C, Vijayan D, Villanueva JA, Villar J, Villeneuve PM, Villoldo A, Vinh Chau NV, Visseaux B, Visser H, Vitiello C, Vonkeman H, Vuotto F, Wahab NH, Wahab SA, Wahid NA, Wainstein M, Wan Muhd Shukeri WF, Wang CH, Webb SA, Wei J, Weil K, Wen TP, Wesselius S, West TE, Wham M, Whelan B, White N, Wicky PH, Wiedemann A, Wijaya SO, Wille K, Willems S, Williams V, Wils EJ, Wing Yiu N, Wong C, Wong TF, Wong XC, Wong YS, Xian GE, Xian LS, Xuan KP, Xynogalas I, Yacoub S, Yakop SRBM, Yamazaki M, Yazdanpanah Y, Yee Liang Hing N, Yelnik C, Yeoh CH, Yerkovich S, Yokoyama T, Yonis H, Yousif O, Yuliarto S, Zaaqoq A, Zabbe M, Zacharowski K, Zahid M, Zahran M, Zaidan NZB, Zambon M, Zambrano M, Zanella A, Zawadka K, Zaynah N, Zayyad H, Zoufaly A, Zucman D. The value of open-source clinical science in pandemic response: lessons from ISARIC. Lancet Infect Dis 2021; 21:1623-1624. [PMID: 34619109 PMCID: PMC8489876 DOI: 10.1016/s1473-3099(21)00565-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/16/2021] [Indexed: 12/31/2022]
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Jara D, Aguilera S, Carvajal P, Castro I, Barrera MJ, González S, Molina C, González MJ. POS0180 TYPE I INTERFERON DEPENDENT HSA-MIR-145-5P DOWNREGULATION MODULATES MUC1 AND TLR4 OVEREXPRESSION IN SALIVARY GLANDS FROM PRIMARY SJÖGREN’S SYNDROME PATIENTS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.2651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Primary Sjögren’s syndrome (pSS) is an autoimmune and inflammatory disease that mainly affects the salivary glands (SG) and is characterized by an overactivation of the type I interferon pathway (IFNs I). IFNs I are known to regulate the levels of microRNAs (miRNAs), non-coding RNAs whose levels are altered in pSS. IFNs I can decrease the levels of miR-145-5p, a miRNA with anti-inflammatory roles that has been reported downregulated in SG of from pSS patients [1]. This miRNA has TLR4 and MUC1 transcripts as predicted targets. MUC1 and TLR4 are two proteins overexpressed in SG of pSS patients that contribute, through various mechanisms, to the inflammatory state and glandular dysfunction [2-3]. Thus, we propose that IFNs I may contribute to a self-perpetuating inflammation loop through a hsa-miR-145-5p dependent MUC1 and TLR4 overexpression in the SG of pSS patients.Objectives:to evaluate whether mRNA levels of MUC1 and TLR4 are modulated by hsa-miR-145-5p in a IFNs I dependent manner.Methods:13 pSS patients and 9 controls SG biopsies were analyzed. hsa-miR-145-5p levels were determined by TaqMan assays and MUC1, TLR4, IFN-α and IFN-β mRNA levels by RT-qPCR. Additionally, in vitro assays using type I IFNs and chemically synthesized hsa-miR-145-5p mimics and inhibitors were performed to study its effect on MUC1 and TLR4 expression. JAK1 and STAT1 mRNA levels were also measured.Results:By Taqman assays we validated the decreased hsa-miR-145-5p levels (p=0.0001) in SG of pSS patients compared to controls. The decreased hsa-miR-145-5p levels correlated inversely with the increased mRNA levels of IFN-β (p=0.0192) in SG of pSS-patients. The hsa-miR-145-5p downregulation also correlated inversely with the overexpression of its predicted targets MUC1 (p=0.010) and TLR4 (p=0.0004). In vitro assays showed that IFN-β induces the overexpression of JAK1 (<p=0.0001) and STAT1 (p=<0.0001) leading to the downregulation of hsa-mir-145-5p (p=<0.0001) and increased MUC1 (p=<0.0001) and TLR4 mRNA levels (p=<0.0001). Functional assays suggest a regulation of hsa-miR-145-5p on MUC1 and TLR4 expression as MUC1 and TLR4 mRNA levels were decreased in HSG cells transfected with hsa-miR-513c-3p mimic and increased in HSG cells transfected with the miRNA inhibitor.Conclusion:Our findings suggest that IFNs I could induce the downregulation of hsa-miR-145-5p leading to the overexpression of MUC1 and TLR4 in SG from pSS patients. TLR4 is activated by ectopic mucins in the SG extracellular matrix from pSS patients which induces pro-inflammatory cytokines secretion [3]. Furthermore, the high levels of the MUC1-SEC and MUC1-Y isoforms observed in SG from pSS patients may favor cytokine synthesis through the immuno-enhancing peptide of MUC1-SEC or through the formation of a MUC1-SEC/MUC1-Y complex [4]. Therefore, IFNs I may contribute to the development of SS through amplification and perpetuation of inflammation due to a hsa-miR-145-5p dependent MUC1 and TLR4 overexpression.References:[1]I. Alevizos, et al,. Arthritis Rheum, 2011;63:535-44.[2]HH. Sung, et al,. Oral Dis. 2015;21(6):730-8.[3]MJ. Barrera, et al,. Rheumatology (Oxford). 2015;54(8):1518-27[4]LM. Herbert, et al,. Cancer Res. 2004;64(21):8077-84.Acknowledgements:Fondecyt 1210055, Fondecyt 1160015, Fondecyt Iniciación 11170049, Fondecyt Iniciación 11201058, CONICYT fellowship (DJ, PC)Disclosure of Interests:None declared
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López Ramirez E, Martin L, Glaría L, Castro I, Molina R, Lobo R, Fernandez C, Krumina E, Esteban D, Domenech M, Moratino N, Cordon C, Diaz L. PO-1279: More intelligent workflow in a radiation oncology center with the implementation of LEAN thinking. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)01297-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Carvajal P, Aguilera S, Heathcote B, Castro I, Jara D, Barrera MJ, Maracaja V, González S, Aliaga V, Molina C, González MJ. THU0229 HSA-MIR-513C-3P OVEREXPRESSION DECREASES XBP-1S CORRELATING WITH INCREASED INFLAMMATION AND AUTOANTIBODIES IN SALIVARY GLANDS FROM SJÖGREN’S SYNDROME PATIENTS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.2215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Endoplasmic reticulum (ER) stress and the Unfolded Protein Response (UPR) are linked to inflammation in a variety of human pathologies including autoimmune diseases. Salivary glands (SG) from Sjögren’s syndrome (SS) patients have high levels of IFN-gamma among other cytokines, which trigger or exacerbate protein unfolding or misfolding, inducing ER stress. In this study, we focused on the IRE1α/XBP-1 pathway of the UPR, whose transcription factor is XBP-1s, which induces genes linked to regulation of the secretory pathway. We recently found that SG of SS patients have reduced levels of XBP-1s transcripts associated with an increased DNA methylation of XBP-1 promoter [1]. We postulate that other epigenetic mechanisms, such as miRNAs, could coexist with promoter DNA hyper-methylation to regulate XBP-1s expression.Objectives:Due to hsa-miR-513c-3p overexpression has been reported in SG from SS patients [2] and that XBP-1 is a predicted target of hsa-miR-513c-3p, the aim of this study was to evaluate whether mRNA levels of XBP-1s is modulated by hsa-miR-513c-3p and also if IFN-gamma modify the expression hsa-miR-513c-3p and XBP-1s.Methods:SG biopsies from 16 SS-patients with low and high focus score and 5 controls were analyzed. hsa-miR-513c-3p levels were measured by Taqman miRNA assays, whereas XBP-1s mRNA levels were determined by qRT-PCR. Additionally,in vitroassays using IFN-gamma and chemically synthesized hsa-miR-513c-3p mimics and inhibitors were performed to study its effect on XBP-1s expression.Results:By Taqman assays we validated the overexpression of hsa-miR-513c-3p in SG from 8 SS patients with low (p=0.03) and 8 SS-patients with high (p=0.003) focus score, compared with SG from 5 controls. In the same samples, a decrease of XBP-1s transcript levels was observed in SG from SS-patients with low (p=0.002) and high (p=0.026) focus score. XBP1s transcript levels were negatively correlated with hsa-miR-513c-3p (r=-0.47, p=0.014), Ro (r=-0.73, p=0.0009), ANA (r=-0.7, p=0.0033) and focus score (r=-0.72, p=0.001). Stimulation of 3D-acini with 1 ng/mL IFN-gamma increase the hsa-miR-513c-3p levels (p=0.014) and decrease the XBP-1s transcript levels (p=0.027). A negative correlation was found between hsa-miR-513c-3p and XBP-1s transcript levels in 3D-acini stimulated with IFN-gamma (r=-0.87, p=0.0001). The XBP-1s transcript levels were decreased in HSG cells transfected with hsa-miR-513c-3p mimic and increased in HSG cells transfected with the miRNA inhibitor.Conclusion:IFN-gamma-induced upregulation of hsa-miR-513c-3p is consistent with the presence of STAT1-binding elements in its promoter region. Our findings suggest that the combined action of miRNAs and DNA methylation modulated by IFN-gamma could explain the altered expression of XBP-1s, a key transcription factor involved in cellular proteostasis, affecting secretory function in LSG from SS-patients. Our results confirm previous correlations found between XBP-1s protein levels and clinical parameters of SS-patients, suggesting an association of XBP-1s with inflammation and impaired SG function.References:[1]D. Sepúlveda,et al, Rheumatology (Oxford), 2018;57:1021-32.[2]I. Alevizos,et al,. Arthritis Rheum, 2011;63:535-44.Acknowledgments :Fondecyt 1160015, Fondecyt Iniciación 11170049, Fondecyt Postdoctorado 3170023, CONICYT fellowship (PC, DJ).Disclosure of Interests: :None declared
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Jara-Wilde J, Castro I, Lemus CG, Palma K, Valdés F, Castañeda V, Hitschfeld N, Concha ML, Härtel S. Optimising adjacent membrane segmentation and parameterisation in multicellular aggregates by piecewise active contours. J Microsc 2020; 278:59-75. [PMID: 32141623 DOI: 10.1111/jmi.12887] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 11/30/2019] [Accepted: 03/04/2020] [Indexed: 11/28/2022]
Abstract
In fluorescence microscopy imaging, the segmentation of adjacent cell membranes within cell aggregates, multicellular samples, tissue, organs, or whole organisms remains a challenging task. The lipid bilayer is a very thin membrane when compared to the wavelength of photons in the visual spectra. Fluorescent molecules or proteins used for labelling membranes provide a limited signal intensity, and light scattering in combination with sample dynamics during in vivo imaging lead to poor or ambivalent signal patterns that hinder precise localisation of the membrane sheets. In the proximity of cells, membranes approach and distance each other. Here, the presence of membrane protrusions such as blebs; filopodia and lamellipodia; microvilli; or membrane vesicle trafficking, lead to a plurality of signal patterns, and the accurate localisation of two adjacent membranes becomes difficult. Several computational methods for membrane segmentation have been introduced. However, few of them specifically consider the accurate detection of adjacent membranes. In this article we present ALPACA (ALgorithm for Piecewise Adjacent Contour Adjustment), a novel method based on 2D piecewise parametric active contours that allows: (i) a definition of proximity for adjacent contours, (ii) a precise detection of adjacent, nonadjacent, and overlapping contour sections, (iii) the definition of a polyline for an optimised shared contour within adjacent sections and (iv) a solution for connecting adjacent and nonadjacent sections under the constraint of preserving the inherent cell morphology. We show that ALPACA leads to a precise quantification of adjacent and nonadjacent membrane zones in regular hexagons and live image sequences of cells of the parapineal organ during zebrafish embryo development. The algorithm detects and corrects adjacent, nonadjacent, and overlapping contour sections within a selected adjacency distance d, calculates shared contour sections for neighbouring cells with minimum alterations of the contour characteristics, and presents piecewise active contour solutions, preserving the contour shape and the overall cell morphology. ALPACA quantifies adjacent contours and can improve the meshing of 3D surfaces, the determination of forces, or tracking of contours in combination with previously published algorithms. We discuss pitfalls, strengths, and limits of our approach, and present a guideline to take the best decision for varying experimental conditions for in vivo microscopy.
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Affiliation(s)
- J Jara-Wilde
- Departamento de Ciencias de la Computación, FCFM, Universidad de Chile, Santiago, Chile.,Biomedical Neuroscience Institute, Santiago, Chile
| | - I Castro
- Biomedical Neuroscience Institute, Santiago, Chile.,Programa de Anatomía y Biología del Desarrollo, ICBM, FMed, Universidad de Chile, Santiago, Chile
| | - C G Lemus
- Biomedical Neuroscience Institute, Santiago, Chile.,Programa de Anatomía y Biología del Desarrollo, ICBM, FMed, Universidad de Chile, Santiago, Chile
| | - K Palma
- Biomedical Neuroscience Institute, Santiago, Chile.,Programa de Anatomía y Biología del Desarrollo, ICBM, FMed, Universidad de Chile, Santiago, Chile
| | - F Valdés
- Biomedical Neuroscience Institute, Santiago, Chile.,Escuela de Tecnología Médica, FMed, Universidad de Chile, Santiago, Chile
| | - V Castañeda
- Departamento de Tecnología Médica, FMed, Universidad de Chile, Santiago, Chile
| | - N Hitschfeld
- Departamento de Ciencias de la Computación, FCFM, Universidad de Chile, Santiago, Chile
| | - M L Concha
- Biomedical Neuroscience Institute, Santiago, Chile.,Programa de Anatomía y Biología del Desarrollo, ICBM, FMed, Universidad de Chile, Santiago, Chile.,Geroscience Center for Brain Health and Metabolism (GERO), Santiago, Chile
| | - S Härtel
- Biomedical Neuroscience Institute, Santiago, Chile.,Programa de Anatomía y Biología del Desarrollo, ICBM, FMed, Universidad de Chile, Santiago, Chile.,Centro de Informática Médica y Telemedicina, FMed, Universidad de Chile, Santiago, Chile
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Cardozo C, Cuervo G, Salavert M, Merino P, Gioia F, Fernández-Ruiz M, López-Cortés LE, Escolá-Vergé L, Montejo M, Muñoz P, Aguilar-Guisado M, Puerta-Alcalde P, Tasias M, Ruiz-Gaitán A, González F, Puig-Asensio M, Vena A, Marco F, Pemán J, Fortún J, Aguado JM, Almirante B, Soriano A, Carratalá J, Garcia-Vidal C, Martínez JA, Morata L, Rodríguez-Nuñez O, Guerrero MA, Ayats J, Grau I, Calabuig E, Castro I, Cuéllar S, Martín-Dávila P, Gómez-García de la Pedrosa E, Pérez-Ayala A, Losada I, Navarro MD, Suarez AI, Martin-Gomez MT, Rodríguez-Alvarez R, López-Soira L, Bouza E, Guinea J, Martín C. An evidence-based bundle improves the quality of care and outcomes of patients with candidaemia. J Antimicrob Chemother 2019; 75:730-737. [DOI: 10.1093/jac/dkz491] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 10/05/2019] [Accepted: 10/25/2019] [Indexed: 12/31/2022] Open
Abstract
AbstractBackgroundCandidaemia is a leading cause of bloodstream infections in hospitalized patients all over the world. It remains associated with high mortality.ObjectivesTo assess the impact of implementing an evidence-based package of measures (bundle) on the quality of care and outcomes of candidaemia.MethodsA systematic review of the literature was performed to identify measures related to better outcomes in candidaemia. Eight quality-of-care indicators (QCIs) were identified and a set of written recommendations (early treatment, echinocandins in septic shock, source control, follow-up blood culture, ophthalmoscopy, echocardiography, de-escalation, length of treatment) was prospectively implemented. The study was performed in 11 tertiary hospitals in Spain. A quasi-experimental design before and during bundle implementation (September 2016 to February 2018) was used. For the pre-intervention period, data from the prospective national surveillance were used (May 2010 to April 2011).ResultsA total of 385 and 263 episodes were included in the pre-intervention and intervention groups, respectively. Adherence to all QCIs improved in the intervention group. The intervention group had a decrease in early (OR 0.46; 95% CI 0.23–0.89; P = 0.022) and overall (OR 0.61; 95% CI 0.4–0.94; P = 0.023) mortality after controlling for potential confounders.ConclusionsImplementing a structured, evidence-based intervention bundle significantly improved patient care and early and overall mortality in patients with candidaemia. Institutions should embrace this objective strategy and use the bundle as a means to measure high-quality medical care of patients.
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Affiliation(s)
- Celia Cardozo
- Hospital Clínic, IDIBAPS (Institut d’Investigacions biomèdiques Agust Pi i Sunyer), Universitat de Barcelona, Barcelona, Spain
| | - Guillermo Cuervo
- Hospital Universitari de Bellvitge, IDIBELL (Institut D’Investigació Biomèdica de Bellvitge), Universitat de Barcelona, Barcelona, Spain
| | | | - Paloma Merino
- Hospital Universitario Clínico ‘San Carlos’, Madrid, Spain
| | | | - Mario Fernández-Ruiz
- Hospital Universitario ‘12 de Octubre’, Instituto de Investigación Hospital ‘12 de Octubre’ (i+12), Universidad Complutense de Madrid, Madrid, Spain
| | - Luis E López-Cortés
- Unidad Clínica de Enfermedades Infecciosas y Microbiología Clínica, Hospital Universitario Virgen Macarena/Instituto de Biomedicina de Sevilla (IBiS)/Universidad de Sevilla/Centro Superior de Investigaciones Científicas, Sevilla, Spain
| | - Laura Escolá-Vergé
- Hospital Universitari Vall d’Hebron, VHIR (Vall d’Hebron Institut de Recerca), Universitat Autònoma de Barcelona, Barcelona, Spain
| | | | - Patricia Muñoz
- Hospital General Universitario Gregorio Marañón e Instituto de Investigación Sanitaria Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain
| | | | - Pedro Puerta-Alcalde
- Hospital Clínic, IDIBAPS (Institut d’Investigacions biomèdiques Agust Pi i Sunyer), Universitat de Barcelona, Barcelona, Spain
| | - Mariona Tasias
- Hospital Universitari I Politecnic ‘La Fe’, Valencia, Spain
| | | | | | - Mireia Puig-Asensio
- Hospital Universitari Vall d’Hebron, VHIR (Vall d’Hebron Institut de Recerca), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Antonio Vena
- Hospital General Universitario Gregorio Marañón e Instituto de Investigación Sanitaria Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain
| | - Francesc Marco
- Hospital Clínic, IDIBAPS (Institut d’Investigacions biomèdiques Agust Pi i Sunyer), Universitat de Barcelona, Barcelona, Spain
| | - Javier Pemán
- Hospital Universitari I Politecnic ‘La Fe’, Valencia, Spain
| | - Jesús Fortún
- Hospital Universitario ‘Ramón y Cajal’, Madrid, Spain
| | - José María Aguado
- Hospital Universitario ‘12 de Octubre’, Instituto de Investigación Hospital ‘12 de Octubre’ (i+12), Universidad Complutense de Madrid, Madrid, Spain
| | - Benito Almirante
- Hospital Universitari Vall d’Hebron, VHIR (Vall d’Hebron Institut de Recerca), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Alejandro Soriano
- Hospital Clínic, IDIBAPS (Institut d’Investigacions biomèdiques Agust Pi i Sunyer), Universitat de Barcelona, Barcelona, Spain
| | - Jordi Carratalá
- Hospital Universitari de Bellvitge, IDIBELL (Institut D’Investigació Biomèdica de Bellvitge), Universitat de Barcelona, Barcelona, Spain
| | - Carolina Garcia-Vidal
- Hospital Clínic, IDIBAPS (Institut d’Investigacions biomèdiques Agust Pi i Sunyer), Universitat de Barcelona, Barcelona, Spain
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11
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Schoener ER, Tompkins DM, Parker KA, Howe L, Castro I. Presence and diversity of mixed avian Plasmodium spp. infections in introduced birds whose distribution overlapped with threatened New Zealand endemic birds. N Z Vet J 2019; 68:101-106. [PMID: 31645214 DOI: 10.1080/00480169.2019.1680326] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Aims: To determine the presence of infection and co-infection of Plasmodium lineages in introduced birds at translocation sites for the North Island saddleback (Philesturnus rufusater), to investigate their role as Plasmodium spp. reservoirs.Methods: Blood samples were collected from introduced bird species, with a special focus on blackbirds (Turdus merula) and song thrushes (Turdus philomelos), at six locations in the North Island of New Zealand that were the origin, or translocation sites, for North Island saddleback. Where available, blood smears were examined, and blood samples were tested using nested PCR with subsequent sequence analysis, for the presence of Plasmodium spp.Results: Of the 55 samples tested using PCR analysis, 39 (71%) were positive for Plasmodium spp., and 28/40 (62%) blood smears were positive for Plasmodium spp. Overall, 31 blood samples were from blackbirds with 28/31 (90%) samples positive for Plasmodium spp. Six distinct avian Plasmodium lineages were identified, including three cosmopolitan lineages; Plasmodium vaughani SYAT05 was detected in 16 samples, Plasmodium matutinum Linn1 in 10 samples and Plasmodium elongatum GRW6 in eight samples. Mixed infections with more than one lineage were detected in 12 samples. Samples from two Australian magpies (Gymnorhina tibicen) were positive for Plasmodium. sp. lineage MYNA02, previously not identified in New Zealand.Conclusions and clinical relevance: This is the first report from New Zealand in which specific Plasmodium spp. mixed infections have been found in introduced birds. Co-infections with several cosmopolitan Plasmodium lineages were identified, as well as the first report in New Zealand of an exotic avian Plasmodium sp. lineage, in Australian magpies. Whilst the role of introduced birds in maintaining and spreading pathogenic avian malaria in New Zealand is unclear, there is a potential infection risk to native birds, especially where distributions overlap.
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Affiliation(s)
- E R Schoener
- Wildlife and Ecology Group, School of Agriculture and Environment, Massey University, Palmerston North, New Zealand
| | - D M Tompkins
- Predator Free 2050 Limited, Auckland, New Zealand
| | - K A Parker
- Parker Conservation, Warkworth, New Zealand
| | - L Howe
- School of Veterinary Sciences, Massey University, Palmerston North, New Zealand
| | - I Castro
- Wildlife and Ecology Group, School of Agriculture and Environment, Massey University, Palmerston North, New Zealand
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12
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Magalhães DB, Castro I, Lopes-Rodrigues V, Pereira JM, Barros L, Ferreira ICFR, Xavier CPR, Vasconcelos MH. Melissa officinalis L. ethanolic extract inhibits the growth of a lung cancer cell line by interfering with the cell cycle and inducing apoptosis. Food Funct 2018; 9:3134-3142. [PMID: 29790547 DOI: 10.1039/c8fo00446c] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Melissa officinalis is a plant from the family Lamiaceae, native in Europe particularly in the Mediterranean region. Given our interest in identifying extracts and compounds capable of inhibiting tumor cell growth, and given the antioxidant content and the high consumption of Melissa officinalis in Portugal, this study aimed to test the tumor cell growth inhibitory activity of five different extracts of this plant (aqueous, methanolic, ethanolic, hydromethanolic and hydroethanolic) in three human tumor cell lines: MCF-7, AGS and NCI-H460. All extracts decreased cell growth in all cell lines in a concentration-dependent manner. The ethanolic extract was the most potent one, presenting a GI50 concentration of approximately 100.9 μg mL-1 in the NCI-H460 lung cancer cells. This extract was characterized by LC-DAD-ESI/MS regarding its phenolic composition, revealing rosmarinic acid as the most abundant compound. The GI75 concentration of this extract affected the cell cycle profile of these cells. In addition, both the GI50 and the GI75 concentrations of the extract induced cellular apoptosis. Moreover, treatment of NCI-H460 cells with this extract caused a decrease in pro-caspase 3 and an increase in p53 levels. This study emphasizes the relevance of the study of natural products as inhibitors of tumor cell growth.
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Affiliation(s)
- D B Magalhães
- Department of Biological Sciences, FFUP - Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
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13
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Foltran RK, Amorim PVGH, Duarte FH, Grande IPP, Freire ACTB, Frassetto FP, Dettoni JB, Alves VA, Castro I, Trarbach EB, Bronstein MD, Jallad RS. Study of major genetic factors involved in pituitary tumorigenesis and their impact on clinical and biological characteristics of sporadic somatotropinomas and non-functioning pituitary adenomas. ACTA ACUST UNITED AC 2018; 51:e7427. [PMID: 29947650 PMCID: PMC6040863 DOI: 10.1590/1414-431x20187427] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 05/02/2018] [Indexed: 11/25/2022]
Abstract
Genetic and functional aberrations of guanine nucleotide-binding protein, alpha stimulating (GNAS), aryl hydrocarbon receptor interacting protein (AIP), and pituitary tumor transforming gene (PTTG) are among the most prominent events in pituitary tumorigenesis. A cohort of Brazilian patients with somatotropinomas (n=41) and non-functioning pituitary adenomas (NFPA, n=21) from a single tertiary-referral center were evaluated for GNAS and AIP mutations and gene expression of AIP and PTTG. Results were compared to the clinical and biological (Ki67 and p53 expression) characteristics of tumors and their response to therapy, if applicable. Genetic analysis revealed that 27% of somatotropinomas and 4.8% of NFPA harbored GNAS mutations (P=0.05). However, no differences were observed in clinical characteristics, tumor extension, response to somatostatin analog therapy, hormonal/surgical remission rates, Ki67 index, and p53 expression between mutated and non-mutated somatotropinomas patients. PTTG overexpression (RQ mean=10.6, min=4.39, max=11.9) and AIP underexpression (RQ mean=0.56, min=0.46-max=0.92) were found in virtually all cases without a statistically significant relationship with clinical and biological tumor features. No patients exhibited somatic or germline pathogenic AIP mutations. In conclusion, mutations in GNAS and abnormal PTTG and AIP expression had no impact on tumor features and treatment outcomes in this cohort. Our data support some previous studies and point to the need for further investigations, probably involving epigenetic and transcriptome analysis, to improve our understanding of pituitary tumor behavior.
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Affiliation(s)
- R K Foltran
- Laboratorio de Endocrinologia Celular e Molecular, LIM25, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - P V G H Amorim
- Laboratorio de Endocrinologia Celular e Molecular, LIM25, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - F H Duarte
- Unidade de Neuroendocrinologia, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil.,Serviço de Endocrinologia, A.C. Camargo Center, São Paulo, SP, Brasil
| | - I P P Grande
- Laboratorio de Endocrinologia Celular e Molecular, LIM25, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - A C T B Freire
- Unidade de Neuroendocrinologia, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - F P Frassetto
- Divisao de Anatomia Patológica, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - J B Dettoni
- Divisao de Anatomia Patológica, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - V A Alves
- Divisao de Anatomia Patológica, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - I Castro
- Divisao de Medicina Molecular, Departamento de Medicina, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - E B Trarbach
- Laboratorio de Endocrinologia Celular e Molecular, LIM25, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil.,Unidade de Neuroendocrinologia, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - M D Bronstein
- Laboratorio de Endocrinologia Celular e Molecular, LIM25, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil.,Unidade de Neuroendocrinologia, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - R S Jallad
- Laboratorio de Endocrinologia Celular e Molecular, LIM25, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil.,Unidade de Neuroendocrinologia, Disciplina de Endocrinologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
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14
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Garcia-Covarrubias L, Barragan J, Castro I, Hernandez K, Reding A, Hinojosa H, Prieto P, Garcia A, Alejandra C, Ortuño D, Carmona M, Fernández D, Diliz H. Correlation of the Glomerular Filtration Rate Measured With the Use of DTPA-Tc99m in Live Kidney Donors With Equations Based on Creatinine and Cystatin C. Transplant Proc 2018; 50:423-427. [PMID: 29579819 DOI: 10.1016/j.transproceed.2017.12.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Accepted: 12/05/2017] [Indexed: 01/10/2023]
Abstract
BACKGROUND Renal donation leads to a risk of developing chronic kidney disease, with an incidence of 0.47%. To evaluate for its presence, formulas based on serum creatinine are used, but up to 80% of these formulas underestimate the glomerular filtration rate (GFR) in donors. The aim of this work was to confirm the highest correlation of the GFR as measured with the use of DTPA-Tc99m with the GFR as estimated by means of the formula based on serum cystatin C (CKD-EPI creatinine-cystatin C) in healthy kidney donors. METHODS In this observational, analytic, cross-sectional study, the GFR of kidney donors was determined ≥1 year after donation by means of DTPA gammagram and estimation with the use of conventional formulations and with cystatin C. RESULTS Of 112 donors, 38 (34%) were included, 20 (60%) were female, with an overall average age of 40 years, 36.5 months after donation, and body mass index of 25.5 kg/m2. Correlation with the GFR as measured by means of DTPA gammagram was better with the use of CKD-EPI cystatin C (0.402; P = .020) and CKD-EPI creatinine-cystatin (0.549; P < .001) than the conventional formulas. Linear correlation with serum cystatin C was 0.825 (P < .001; 95% confidence interval, -105.3 to -63.2) for the CKD-EPI cystatin C formula, 0.77 (P < .001; -89.9 to -48.1) for the CKD-EPI creatinine-cystatin formula, and 0.525 (P = .002; -91.1 to -23.2) for DTPA-Tc99m scintigraphy. CONCLUSIONS There is a strong correlation between estimate the GFR by equations based on cystatin C and the measurement of the GFR by DTPA-Tc99m gammagram.
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Affiliation(s)
- L Garcia-Covarrubias
- Transplantation Department, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico; Surgery Division, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico.
| | - J Barragan
- Transplantation Department, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico
| | - I Castro
- Transplantation Department, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico
| | - K Hernandez
- Transplantation Department, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico
| | - A Reding
- Research Department, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico
| | - H Hinojosa
- Transplantation Department, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico; Nephrology Department, Hospital General Zona 47, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - P Prieto
- Transplantation Department, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico
| | - A Garcia
- Donation Coordinator, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico
| | - C Alejandra
- Transplantation Department, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico
| | - D Ortuño
- Family Medicine Unit No. 20, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - M Carmona
- Transplantation Department, Hospital Central Pemex Sur, Mexico City, Mexico
| | - D Fernández
- Transplantation Department, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico
| | - H Diliz
- Transplantation Department, Hospital General de Mexico Dr Eduardo Liceaga, Mexico City, Mexico
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15
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Garcia-Covarrubias L, Valdéz DR, Bermudez LA, Córdoba R, Avelar FJ, Villanueva RM, Ortuño D, Hernández JC, García A, Castro I. Correlation of the Renal Cortex Volume With the Glomerular Filtration Rate in Live Donors for Renal Transplantation. Transplant Proc 2018; 50:428-432. [PMID: 29579820 DOI: 10.1016/j.transproceed.2017.12.045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 12/05/2017] [Indexed: 11/26/2022]
Abstract
INTRODUCTION As a pretransplantation evaluation, renal function is determined by the glomerular filtration rate (GFR) with the use of renal scintigraphy (RS) and the estimated glomerular filtration rate (eGFR). To date, there are few studies that correlate renal cortex volume with eGFR determined with renal gammagram (GR) and eGFR by equations (Cockroft-Gault, Modification of Diet in Renal Disease, and Chronic Kidney Disease Epidemiology Collaboration equation) in Latin American living donors. AIM This study sought to determine whether there is correlation of the volume of the renal cortex by Herts equation with the GFR determined with renal gammagram (GFR-GR). PATIENTS AND METHODS This was an analytical, observational, and cross-sectional study. A review of the donor charts from January 1, 2014, to December 1, 2014, with a complete clinical file, kidney measurements, predonation tomography volume, and eGFR by different formulas and by renal scintigraphy. RESULTS Thirty-three donors were included, 51.5% male and 48.5% female. The mean age was 38.58 ± 10 years, with an average volume of 127.83 ± 28.30 mL, with diethylenetriamine-pentaacetate (DTPA) of 54.80 ± 7.13 mL/min/1.73 m2 in the donated kidney. Spearman correlation showed the best association with the Herts equation (r = 0.346) reaching significance (P = .049) when comparing the different equations against the GFR with DTPA. Using the Bland-Altman method, the lowest variability and best significance was verified with the same equation compared to the other formulas (P = .0002). CONCLUSIONS There is no consensus regarding which is the best formula for calculating the GFR of both kidneys. Of the different formulas, the one that best correlated with the GFR was the Herts method, which uses the volume of the kidney.
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Affiliation(s)
- L Garcia-Covarrubias
- Surgery Division, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico; Transplantation Department, Hospital General de México, Mexico City, Mexico.
| | - D R Valdéz
- Surgery Division, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - L A Bermudez
- Transplantation Department, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - R Córdoba
- X Ray and Image Department, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - F J Avelar
- X Ray and Image Department, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - R M Villanueva
- Nuclear Medicine Department, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - D Ortuño
- Familiar Medicine Unit No. 20, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - J C Hernández
- Transplantation Department, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - A García
- Transplantation Department, Hospital General de México, Mexico City, Mexico
| | - I Castro
- Transplantation Department, Hospital General de México, Mexico City, Mexico
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16
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Affiliation(s)
- I Castro
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal.,Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-465 Porto, Portugal.,FMUP - Faculty of Medicine of the University of Porto, 4200-319 Porto, Portugal
| | - C P R Xavier
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal.,Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-465 Porto, Portugal
| | - M H Vasconcelos
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal.,Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-465 Porto, Portugal.,FFUP - Faculty of Pharmacy of the University of Porto, 4050-313 Porto, Portugal
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17
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Ruiz J, Castro I, Calabuig E, Salavert M. Non-antibiotic treatment for infectious diseases. Rev Esp Quimioter 2017; 30 Suppl 1:66-71. [PMID: 28882020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The abuse and uncontrolled use of antibiotics has resulted in the emergence and spread of resistant bacteria. The utility of conventional antibiotics for the treatment of bacterial infections has become increasingly strained due to increased rates of resistance coupled with reduced rates of development of new agents. As a result, multidrug-resistant, extensively drug-resistant, and pan-drug-resistant bacterial strains are now frequently encountered. This has led to fears of a "post-antibiotic era" in which many bacterial infections could be untreatable. Alternative non-antibiotic treatment strategies need to be explored to ensure that a robust pipeline of effective therapies is available to clinicians. The new therapeutic approaches for bacterial infections (beyond antibiotics) may provide a way to extend the usefulness of current antibiotics in an era of multidrug-resistant (MDR) bacterial infections.
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Affiliation(s)
| | | | | | - M Salavert
- Miguel Salavert Lletí. Unidad de Enfermedades Infecciosas. Hospital Universitario y Politécnico La Fe, Valencia. Av. Fernando Abril Martorell, nº 106; Valencia 46016. Spain.
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18
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Manzano S, De Andrés J, Castro I, Rodríguez J, Jiménez E, Espinosa-Martos I. Safety and tolerance of three probiotic strains in healthy infants: a multi-centre randomized, double-blind, placebo-controlled trial. Benef Microbes 2017; 8:569-578. [DOI: 10.3920/bm2017.0009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Some strains of species belonging to the genera Bifidobacterium and Lactobacillus are used in order to maintain health. Although these organisms have a long record of safe use, it is important to assess their safety and tolerance in potentially vulnerable populations, such as infants. The objective of this study was to evaluate the safety and tolerance of three probiotic strains (Bifidobacterium longum subsp. infantis R0033, Bifidobacterium bifidum R0071 and Lactobacillus helveticus R0052) in healthy infants aged 3 to 12 months. A multi-centre randomized, double-blind, placebo-controlled intervention study with 221 healthy full-term infants was conducted. Infants received either a placebo or one of the 3 probiotic strains (3×109 cfu) daily during an 8 week intervention period. Growth (weight, height and head circumference), adverse events (AEs)/serious adverse events (SAEs), concentrations of D-lactic acid in urine samples, characteristics of the stools and use of medication were collected for safety evaluation. All 4 groups were homogeneous with respect to age, gender, feeding type, ethnicity, height, weight and head circumference at the start of the study. The results showed that changes in growth (weight, height and head circumference) were equivalent in all 4 groups. No SAEs were reported. Total number of AEs recorded was equivalent in all groups. Thus, the use of B. infantis R0033, L. helveticus R0052 and B. bifidum R0071 in infancy is safe, and well tolerated.
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Affiliation(s)
- S. Manzano
- Dpto. Nutrición, Bromatología y Tecnología de los Alimentos, Universidad Complutense de Madrid, Av. Puerta de hierro s/n, 28040 Madrid, Spain
- Probisearch S.L.U., C/ Santiago Grisolía, 2, 28760 Tres Cantos, Spain
| | - J. De Andrés
- Dpto. Nutrición, Bromatología y Tecnología de los Alimentos, Universidad Complutense de Madrid, Av. Puerta de hierro s/n, 28040 Madrid, Spain
| | - I. Castro
- Dpto. Nutrición, Bromatología y Tecnología de los Alimentos, Universidad Complutense de Madrid, Av. Puerta de hierro s/n, 28040 Madrid, Spain
| | - J.M. Rodríguez
- Dpto. Nutrición, Bromatología y Tecnología de los Alimentos, Universidad Complutense de Madrid, Av. Puerta de hierro s/n, 28040 Madrid, Spain
- Probisearch S.L.U., C/ Santiago Grisolía, 2, 28760 Tres Cantos, Spain
| | - E. Jiménez
- Dpto. Nutrición, Bromatología y Tecnología de los Alimentos, Universidad Complutense de Madrid, Av. Puerta de hierro s/n, 28040 Madrid, Spain
- Probisearch S.L.U., C/ Santiago Grisolía, 2, 28760 Tres Cantos, Spain
| | - I. Espinosa-Martos
- Dpto. Nutrición, Bromatología y Tecnología de los Alimentos, Universidad Complutense de Madrid, Av. Puerta de hierro s/n, 28040 Madrid, Spain
- Probisearch S.L.U., C/ Santiago Grisolía, 2, 28760 Tres Cantos, Spain
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Vallejo J, Pardo E, Viciano-Chumillas M, Castro I, Amorós P, Déniz M, Ruiz-Pérez C, Yuste-Vivas C, Krzystek J, Julve M, Lloret F, Cano J. Reversible solvatomagnetic switching in a single-ion magnet from an entatic state. Chem Sci 2017; 8:3694-3702. [PMID: 28580105 PMCID: PMC5437488 DOI: 10.1039/c6sc05188j] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 02/13/2017] [Indexed: 12/23/2022] Open
Abstract
A vast impact on molecular nanoscience can be achieved using simple transition metal complexes as dynamic chemical systems to perform specific and selective tasks under the control of an external stimulus that switches "ON" and "OFF" their electronic properties. While the interest in single-ion magnets (SIMs) lies in their potential applications in information storage and quantum computing, the switching of their slow magnetic relaxation associated with host-guest processes is insufficiently explored. Herein, we report a unique example of a mononuclear cobalt(ii) complex in which geometrical constraints are the cause of easy and reversible water coordination and its release. As a result, a reversible and selective colour and SIM behaviour switch occurs between a "slow-relaxing" deep red anhydrous material (compound 1) and its "fast-relaxing" orange hydrated form (compound 2). The combination of this optical and magnetic switching in this new class of vapochromic and thermochromic SIMs offers fascinating possibilities for designing multifunctional molecular materials.
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Affiliation(s)
- J Vallejo
- Institut de Ciència Molecular (ICMOL) , Universitat de València , 46980 Paterna , València , Spain . ;
| | - E Pardo
- Institut de Ciència Molecular (ICMOL) , Universitat de València , 46980 Paterna , València , Spain . ;
| | - M Viciano-Chumillas
- Institut de Ciència Molecular (ICMOL) , Universitat de València , 46980 Paterna , València , Spain . ;
| | - I Castro
- Institut de Ciència Molecular (ICMOL) , Universitat de València , 46980 Paterna , València , Spain . ;
| | - P Amorós
- Institut de Ciència del Materials (ICMUV) , Universitat de València , 46980 Paterna , València , Spain
| | - M Déniz
- Laboratorio de Rayos X y Materiales Moleculares , Departamento de Física , Facultad de Ciencias (Sección Física) , Universidad de La Laguna , 38201 Tenerife , Spain
| | - C Ruiz-Pérez
- Laboratorio de Rayos X y Materiales Moleculares , Departamento de Física , Facultad de Ciencias (Sección Física) , Universidad de La Laguna , 38201 Tenerife , Spain
| | - C Yuste-Vivas
- Institut de Ciència Molecular (ICMOL) , Universitat de València , 46980 Paterna , València , Spain . ;
| | - J Krzystek
- National High Magnetic Field Laboratory (NHMFL) , Florida State University , Tallahassee , Florida 32310 , USA
| | - M Julve
- Institut de Ciència Molecular (ICMOL) , Universitat de València , 46980 Paterna , València , Spain . ;
| | - F Lloret
- Institut de Ciència Molecular (ICMOL) , Universitat de València , 46980 Paterna , València , Spain . ;
| | - J Cano
- Institut de Ciència Molecular (ICMOL) , Universitat de València , 46980 Paterna , València , Spain . ;
- Fundació General de la Universitat de València (FGUV) , Spain
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Bahamondes V, Aguilera S, Cortés J, Castro I, Barrera MJ, Urzúa U, González S, Molina C, Leyton C, González MJ. OP0271 Perk Pathway Characterization in Labial Salivary Glands of Sjögren Syndrome's Patients: Could It Be An Adaptive Response? Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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21
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Barrera MJ, Aguilera S, Castro I, Cortés J, Bahamondes V, Urzúa U, González S, Molina C, Leyton C, González MJ. AB0154 Role of Pro-Inflammatory Cytokines in The Endoplasmic Reticulum Associated-Protein Degradation in Sjögren's Syndrome Patients. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Castro J, Castro I, de Carvalho M, Conceição I. Sudomotor function assessed by Sudoscan in TTR-FAP patients. Clin Neurophysiol 2016. [DOI: 10.1016/j.clinph.2015.11.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Alvarez RH, Hartman S, Bosch B, Kendrick D, Cohen L, Fridman J, Ottersen D, Walcott K, Ware S, Castro I, Thomas J, Niu J, Ahn E, Denny D, Markman M. Abstract P1-10-27: Self-reported symptoms and interference issues in breast cancer patients. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p1-10-27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
BACKGROUND: Breast cancer and its treatments produce multiple symptoms that significantly impact patient quality of life (QOL). Distress and impaired function are the most commonly referred symptoms [Cleeland CS, 2007]. Routine cancer care assessment of patient-reported outcomes (PROs), including symptoms, function, and QOL, has been shown to improve symptom management, identification of psychosocial problems, and patient-provider communication. The Symptom Inventory Tool (SIT) is an assessment tool that captures the patients' perceived symptom burden for real-time clinical intervention, taken at the point of no intervention (baseline) and every 21 days or greater. The SIT is comprised of 27 questions utilizing the M.D. Anderson Symptom Inventory tool (MDASI) [Cleeland CS, Cancer 2013], and validated assessment instrument with 8 questions added and a free text box by Cancer Treatment Centers of America (CTCA). CTCA is a national network of five hospitals that specialize in cancer treatment and integrative oncology.
PATIENTS & METHODS: Patients reported symptoms intensity using 19-item MD Anderson Symptom Inventory (MDASI) and 8 additional questions created by CTCA (constipation, swelling, mouth soreness, bleeding, sexual interest, family, hope & QOL). Symptoms were rated "at the worst" on an 11-point numeric scale ranging from 0 ('no present") to 10 ("as bad as you can imagine") in the previous 24 hours. SIT became an integral part of patient care at CTCA beginning in 2012.
RESULTS: From July 2012 to February 2015, a total of 3,740 outpatients with breast cancer were evaluated at CTCA.
A total of 13,852 assessments were analyzed. The assessments consisted of 3,513 completed at baseline, 2,237 completed at the 2nd follow up (FU), and 8,014 completed at 3rd FU or greater. Median age was 50 (range, 17-88), 60% of patients were ER+. Race: White (68%), Black (29%), and other (3%). Disease extension: locoregional (86%) and metastatic (13.6%). The average time since cancer was diagnosed were 35 months, and 50.7% of the patients received prior systemic therapy: chemotherapy (55%), hormone-therapy (41%), and immunotherapy (4%). Mean, standard deviation and inter quartile ranges at baseline assessment are depicted in.
Table 1.Patient Reported SymptomBaseline assessment statisticsPercentage of patients with severe symptoms at baseline and reporting a clinically significant change (2 points) at 2nd SIT assessment Mean +/- STDInterquartile range (IQR)Significant decreaseNo changeDistress3.0 +/- 3.0[0.5]695 (31.3%)594 (26.8%)414 (18.7%)Sadness2.5 +/- 2.9[0.4]622 (28%)718 (32.3%)358 (16.1%)Disturbed Sleep3.3 +/- 3.2[0.6]550 (24.8%)517 (23.3%)642 (28.9%)Mood2.6 +/- 2.7[0.4]549 (24.7%)678 (30.5%)447 (20.1%)Pain2.7 +/- 3.0[0.5]523 (23.9%)675 (30.8%)519 (23.7%)*IQR is a measure of variability, based on dividing a data set into quartiles. Quartiles divide a rank-ordered data set into four equal parts
CONCLUSIONS: The SIT was successful in identifying symptoms burden and interference with life issues in breast cancer patients. Distress, sadness, disturbed sleep, mood and pain were the most common reported symptoms. Early identification of patient burden symptoms allowed immediate intervention and improvement in approximately a quarter of patients.
Citation Format: Alvarez RH, Hartman S, Bosch B, Kendrick D, Cohen L, Fridman J, Ottersen D, Walcott K, Ware S, Castro I, Thomas J, Niu J, Ahn E, Denny D, Markman M. Self-reported symptoms and interference issues in breast cancer patients. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P1-10-27.
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Affiliation(s)
- RH Alvarez
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - S Hartman
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - B Bosch
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - D Kendrick
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - L Cohen
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - J Fridman
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - D Ottersen
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - K Walcott
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - S Ware
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - I Castro
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - J Thomas
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - J Niu
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - E Ahn
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - D Denny
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
| | - M Markman
- Cancer Treatment Centers of America, Newnan, GA; GRU-UGA Medical Partnership, Athens, GA
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Sepúlveda D, Aguilera S, Barrera MJ, Bahamondes V, Castro I, Molina C, Cortés J, González S, Leyton C, González MJ. SAT0380 Impaired Ire1Alpha/XBP-1 Pathway is Associated with Glandular Dysfunction in SjÖgren's Syndrome. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.4125] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Barrera MJ, Aguilera S, Veerman E, Cortés J, González S, Díaz-Jiménez D, Castro I, Molina C, Bahamondes V, Leyton C, Hermoso M, González MJ. SAT0372 Ectopically Secreted Mucins Might Perpetuate the Inflammation in Salivary Glands of SjÖgren's Syndrome Patients. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.4096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Cesar LA, Ferreira JF, Armaganijan D, Gowdak LH, Mansur AP, Bodanese LC, Sposito A, Sousa AC, Chaves AJ, Markman B, Caramelli B, Vianna CB, Oliveira CC, Meneghetti C, Albuquerque DC, Stefanini E, Nagib E, Pinto IMF, Castro I, Saad JA, Schneider JC, Tsutsui JM, Carneiro JKR, Torres K, Piegas LS, Dallan LA, Lisboa LAF, Sampaio MF, Moretti MA, Lopes NH, Coelho OR, Lemos P, Santos RD, Botelho R, Staico R, Meneghello R, Montenegro ST, Vaz VD. Guideline for stable coronary artery disease. Arq Bras Cardiol 2015; 103:1-56. [PMID: 25410086 DOI: 10.5935/abc.2014s004] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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27
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Sung HH, Castro I, González S, Aguilera S, Smorodinsky NI, Quest A, Bahamondes V, Alliende C, Cortés J, Molina C, Urzúa U, Barrera MJ, Hermoso M, Herrera L, Leyton C, González MJ. MUC1/SEC and MUC1/Y overexpression is associated with inflammation in Sjögren's syndrome. Oral Dis 2015; 21:730-8. [PMID: 25757505 DOI: 10.1111/odi.12339] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Revised: 03/02/2015] [Accepted: 03/02/2015] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To evaluate the expression and localization of MUC1/SEC and MUC1/Y isoforms in labial salivary glands (LSG) from Sjögren's syndrome patients (SS patients), as well as their in vitro expression induced by cytokines. SUBJECTS AND METHODS Labial salivary gland from 27 primary SS patients and 22 non-SS sicca subjects were studied. Relative MUC1/SEC and MUC1/Y mRNA levels were determined by qPCR and protein levels by Western blotting. Induction of mucin mRNAs was assayed in vitro. Immunohistochemistry was used for localization. RESULTS Relative MUC1/SEC and MUC1/Y mRNA and protein levels were significantly higher in LSG from SS patients. These mRNAs were induced by cytokines. MUC1/SEC and MUC1/Y were detected in acini apical region of control LSGs, and significant cytoplasmic accumulation was observed in acini of SS patients. MUC1/Y localized in acinar nuclei and cytoplasm of inflammatory cells of LSG from SS patients. A strong positive correlation was observed between cellular MUC1/SEC levels and glandular function determined by scintigraphy. CONCLUSIONS We show for the first time that MUC1/SEC and MUC1/Y are expressed in LSG of both SS patients and non-SS sicca subjects. The observed overexpression and aberrant localization of MUC1/SEC and MUC1/Y and their induction by pro-inflammatory cytokines may favor the perpetuation of the inflammatory environment that disrupts the salivary glandular homeostasis in SS patients.
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Affiliation(s)
- H H Sung
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - I Castro
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - S González
- Facultad de Odontología, Universidad Mayor, Santiago, Chile
| | - S Aguilera
- Departamento de Reumatología, Clínica INDISA, Santiago, Chile
| | - N I Smorodinsky
- The Alec and Myra Marmot Hybridoma Unit, the Department of Cell Research and Immunology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Afg Quest
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Center for Molecular Studies of the Cell (CEMC), and Advanced Center for Chronic Diseases (ACCDiS), ICBM, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - V Bahamondes
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - C Alliende
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - J Cortés
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - C Molina
- Facultad de Odontología, Universidad Mayor, Santiago, Chile
| | - U Urzúa
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - M-J Barrera
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - M Hermoso
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - L Herrera
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - C Leyton
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - M-J González
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
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Lobato J, Freitas A, Devincenzi T, Cardoso L, Tarouco J, Vieira R, Dillenburg D, Castro I. Brazilian beef produced on pastures: Sustainable and healthy. Meat Sci 2014; 98:336-45. [DOI: 10.1016/j.meatsci.2014.06.022] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Revised: 06/17/2014] [Accepted: 06/18/2014] [Indexed: 12/18/2022]
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Morgan KJ, Castro I, Lopez-Villalobos N, Pomroy WE, Alley MR, Gartrell BD, Hunter S, Howe L. Prevalence of and risk factors for coccidiosis in kiwi between 1977 and 2011. N Z Vet J 2014; 62:315-20. [PMID: 25145793 DOI: 10.1080/00480169.2014.932657] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
AIMS To identify risk factors associated with coccidiosis in kiwi (Apteryx spp.) using a retrospective analysis of historical data from kiwi examined post-mortem, and to determine the prevalence of coccidial oocysts in the droppings of wild and captive kiwi. METHODS Necropsy reports were examined from kiwi submitted to the National Wildlife Mortality Database of New Zealand (Huia) between February 1977 and May 2011. All cases that reported histological examination of one or more hepatic, intestinal or renal tissues were included in the study (n=372). Data collated for analysis included the presence or absence of coccidiosis in one or more tissues, age, host species, habitat, and season of submission. Fisher's exact test was used to determine the association between each independent variable and the prevalence of coccidiosis. Droppings opportunistically collected from wild and captive kiwi between January 2008 and June 2010 were also examined for the presence of coccidial oocysts. RESULTS Coccidiosis was evident in 47/372 (12.6%) kiwi examined post-mortem and was considered the primary cause of death in 12/47 (26%) infected cases. Examination of 412 droppings from wild and captive kiwi collected over a 29-month period revealed that 98 (23.8%) samples contained coccidia at the time of sampling. Enteric (n=27) coccidiosis was the most common form diagnosed using histology, followed by renal (n=19) and hepatic (n=11), with splenic (n=2) and pulmonary (n=1) infections infrequently seen. Many kiwi demonstrated infections in multiple tissues. The prevalence of coccidiosis was greater in juvenile kiwi (36/148, 24.3%) than adults (8/133, 6.0%) or chicks (2/83, 2.4%) (p<0.001), although there was no difference in mortality between age groups. Season of year was also associated with overall prevalence (p=0.05), with most cases being diagnosed in the autumn and winter. Coccidiosis was histologically evident in four of five species of kiwi examined, and in all host species upon analysis of droppings. Host species or habitat (captive vs. wild) did not influence the prevalence of disease detected histologically. CONCLUSIONS Age and season were the only factors that influenced the prevalence of coccidiosis in kiwi in this study. Coccidiosis was present in all species of kiwi, and this is the first report of coccidiosis in rowi (Apteryx rowi).
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Affiliation(s)
- K J Morgan
- a Wildbase, Institute of Veterinary, Animal and Biomedical Sciences , Massey University , Palmerston North , New Zealand 4410
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Balbo BEP, Sapienza MT, Ono CR, Jayanthi SK, Dettoni JB, Castro I, Onuchic LF. Cyst infection in hospital-admitted autosomal dominant polycystic kidney disease patients is predominantly multifocal and associated with kidney and liver volume. ACTA ACUST UNITED AC 2014; 47:584-93. [PMID: 24919173 PMCID: PMC4123838 DOI: 10.1590/1414-431x20143584] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2013] [Accepted: 03/17/2014] [Indexed: 12/17/2022]
Abstract
Positron-emission tomography/computed tomography (PET/CT) has improved cyst infection
(CI) management in autosomal dominant polycystic kidney disease (ADPKD). The
determinants of kidney and/or liver involvement, however, remain uncertain. In this
study, we evaluated clinical and imaging factors associated with CI in kidney (KCI)
and liver (LCI) in ADPKD. A retrospective cohort study was performed in
hospital-admitted ADPKD patients with suspected CI. Clinical, imaging and surgical
data were analyzed. Features of infected cysts were evaluated by PET/CT. Total kidney
(TKV) and liver (TLV) volumes were measured by CT-derived multiplanar reconstruction.
CI was detected in 18 patients who experienced 24 episodes during an interval of 30
months (LCI in 12, KCI in 10 and concomitant infection in 2). Sensitivities of CT,
magnetic resonance imaging and PET/CT were 25.0, 71.4, and 95.0%. Dysuria
(P<0.05), positive urine culture (P<0.01), and previous hematuria (P<0.05)
were associated with KCI. Weight loss (P<0.01) and increased C-reactive protein
levels (P<0.05) were associated with LCI. PET/CT revealed that three or more
infected cysts were present in 70% of the episodes. TKV was higher in kidney-affected
than in LCI patients (AUC=0.91, P<0.05), with a cut-off of 2502 mL (72.7%
sensitivity, 100.0% specificity). TLV was higher in liver-affected than in KCI
patients (AUC=0.89, P<0.01) with a cut-off of 2815 mL (80.0% sensitivity, 87.5%
specificity). A greater need for invasive procedures was observed in LCI (P<0.01),
and the overall mortality was 20.8%. This study supports PET/CT as the most sensitive
imaging method for diagnosis of cyst infection, confirms the multifocal nature of
most hospital-admitted episodes, and reveals an association of kidney and liver
volumes with this complication.
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Affiliation(s)
- B E P Balbo
- Divisão de Nefrologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - M T Sapienza
- Divisão de Medicina Nuclear, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - C R Ono
- Divisão de Medicina Nuclear, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - S K Jayanthi
- Divisão de Radiologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - J B Dettoni
- Divisão de Patologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - I Castro
- Divisão de Nefrologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - L F Onuchic
- Divisão de Nefrologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
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Cortés J, Aguilera S, Hidalgo J, Bahamondes V, Urra H, Barrera MJ, Castro I, Molina C, González S, Leyton C, González MJ. THU0053 Three Dimensional HSG Cells Culture as A Model to Study the Exocitic Process in Salivary Glands of SjÖGren's Syndrome Patients. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.2393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Gonzalez Sanchidrian S, Cebrian Andrada CJ, Jimenez Herrero MC, Deira Lorenzo JL, Labrador Gomez PJ, Marin Alvarez JP, Garcia-Bernalt Funes V, Gallego Dominguez S, Castellano Cervino I, Gomez-Martino Arroyo JR, Parapiboon W, Boonsom P, Stadler T, Raddatz A, Poppleton A, Hubner W, Fliser D, Klingele M, Rosa J, Sydor A, Krzanowski M, Chowaniec E, Sulowicz W, Vidal E, Mergulhao C, Pinheiro H, Sette L, Amorim G, Fernandes G, Valente L, Ouaddi F, Tazi I, Mabrouk K, Zamd M, El Khayat S, Medkouri G, Benghanem M, Ramdani B, Dabo G, Badaoui L, Ouled Lahcen A, Sosqi M, Marih L, Chakib A, Marhoum El Filali K, Oliveira MJC, Silva Junior G, Sampaio AM, Montenegro B, Alves MP, Henn GAL, Rocha HAL, Meneses GC, Martins AMC, Sanches TR, Andrade LC, Seguro AC, Liborio AB, Daher EF, Haase M, Robra BP, Hoffmann J, Isermann B, Henkel W, Bellomo R, Ronco C, Haase-Fielitz A, Kee YK, Kim YL, Kim EJ, Park JT, Han SH, Yoo TH, Kang SW, Choi KH, Oh HJ, Dharmendra P, Vinay M, Mohit M, Rajesh G, Dhananjai A, Pankaj B, Campos P, Pires A, Inchaustegui L, Avdoshina S, Villevalde S, Kobalava Z, Mukhopadhyay P, Das B, Mukherjee D, Mishra R, Kar M, Biswas NM, Onuigbo M, Agbasi N, Ponce D, Albino BB, Balbi AL, Klin P, Zambrano C, Gutierrez LM, Varela Falcon L, Zeppa F, Bilbao A, Klein F, Raffaele P, Chang KY, Park HS, Kim HW, Choi BS, Park CW, Yang CW, Jin DC, Checherita IA, Peride I, David C, Radulescu D, Ciocalteu A, Niculae A, Balbi A, Goes C, Buffarah M, Xavier P, Ponce D, Karimi SM, Cserep G, Gannon D, Sinnamon K, Saudan P, Alves C, De La Fuente V, Ponte B, Carballo S, Rutschmann O, Martin PY, Stucker F, Rosa J, Sydor A, Krzanowski M, Chowaniec E, Sulowicz W, Saurina A, Pardo V, Barba N, Jovell E, Pou M, Esteve V, Fulquet M, Duarte V, Ramirez De Arellano M, Sun IO, Yoon HJ, Kim JG, Lee KY, Tiranathanagul K, Sallapant S, Eiam-Ong S, Treeprasertsuk S, Peride I, Radulescu D, David C, Niculae A, Checherita IA, Geavlete B, Ciocalteu A, Ando M, Shingai N, Morito T, Ohashi K, Nitta K, Duarte DB, Silva Junior G, Vanderlei LA, Bispo RKA, Pinheiro ME, Daher EF, Ponce D, Si Nga H, Paes A, Medeiros P, Balbi A, Gentil TMS, Assis LS, Amaral AP, Alvares VRCA, Scaranello KLRS, Soeiro EMD, Castanho V, Castro I, Laranja SM, Barreto S, Molina M, Silvisk M, Pereira BJ, Izem A, Mabrouk K, Amer Mhamed D, El Khayat SS, Zamd M, Medkouri G, Benghanem M, Ramdani B, Donadio C, Klimenko A, Villevalde S, Kobalava Z, Andreoli MC, Souza NK, Ammirati AL, Matsui TN, Naka EL, Carneiro FD, Ramos AC, Lopes RK, Dias ES, Coelho MP, Afonso RC, Ferraz-Neto BH, Almeida MD, Durao M, Batista MC, Monte JC, Pereira VG, Santos OP, Santos BC, Klimenko A, Villevalde S, Kobalava Z, Silva VC, Raimann JG, Nerbass FB, Vieira MA, Dabel P, Richter A, Callegari J, Carter M, Levin NW, Winchester JF, Kotanko P, Pecoits-Filho R, Gjyzari A, Thereska N, Barbullushi M, Koroshi A, Petrela E, Mumajesi S, Kim YL, Kee YK, Han JS, Oh HJ, Park JT, Han SH, Yoo TH, Kang SW, Simone S, Scrascia G, Montemurno E, Rotunno C, Mastro F, Gesualdo L, Paparella D, Pertosa G, Lopes D, Santos C, Cunha C, Gomes AM, Coelho H, Seabra J, Qasem A, Farag S, Hamed E, Emara M, Bihery A, Pasha H, Mukhopadhyay P, Chhaya S, Mukhopadhyay G, Das C, Silva Junior G, Vieira APF, Lima LLL, Nascimento LS, Daher EF, Zawiasa A, Ko Odziejska M, Bia Asiewicz P, Nowak D, Nowicki M. CLINICAL ACUTE KIDNEY INJURY 2. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
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Freitas AD, Lobato J, Cardoso L, Tarouco J, Vieira R, Dillenburg D, Castro I. Nutritional composition of the meat of Hereford and Braford steers finished on pastures or in a feedlot in southern Brazil. Meat Sci 2014; 96:353-60. [DOI: 10.1016/j.meatsci.2013.07.021] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Revised: 06/30/2013] [Accepted: 07/16/2013] [Indexed: 10/26/2022]
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Quintas P, Cubiella J, Couto I, Bujanda L, Cobian C, Castro I, Fernández-Seara J. Factors associated with complete endoscopic resection of an invasive adenocarcinoma in a colorectal adenoma. Rev Esp Enferm Dig 2013; 104:524-9. [PMID: 23268631 DOI: 10.4321/s1130-01082012001000004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND AND OBJECTIVE endoscopic polypectomy may allow curative resection of invasive adenocarcinoma on colorectal adenoma. Our goal was to determine the factors associated with complete endoscopic resection of invasive adenocarcinoma. METHODS retrospective observational study. We included 151 patients with invasive adenocarcinoma on adenomas endoscopically resected between 1999 and 2009. We determined those variables independently related to incomplete resection by a logistic regression. Relation was expressed as Odds Ratio (OR) and its 95% confidence interval (95% CI). RESULTS patients were predominantly male (66.2%) and their mean age was 68.03 ± 10.65 years. Colonoscopy was completein 84% of the patients and 60.3% had synchronous adenomas. Invasive adenocarcinoma was mainly located in distal colon (90.7%) and morphology was pedunculated in 75.5%. The endoscopic averagesize was 22.61 ± 10.86 mm. Submucosal injection was required in 32.5%. Finally, the resection was in one piece in 73.5% and incomplete in 8.6% of the adenocarcinomas. Factors independently associated with incomplete endoscopic resection were size (mm) (OR 1.08, 95% CI 1.03-1.14, p = 0.002), sessile or flat morphology (OR 8.78, 95% CI 2.24-34.38, p = 0.002) and incomplete colonoscopy (OR 4.73, 95% CI 1.15-19.34, p = 0.03). CONCLUSIONS endoscopic polypectomy allows complete resection of 91.4% of invasive adenocarcinomas on colorrectal adenoma in our series. Factors associated with incomplete resection were the size of the lesion, sessile or flat morphology and incomplete colonoscopy.
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Affiliation(s)
- P Quintas
- Department of Gastroenterology, Complexo Hospitalario Universitario de Ourense, Ourense, Spain
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Sánchez M, Aguilera S, Barrera MJ, Alliende C, Bahamondes V, Castro I, González S, Molina C, Leyton C, Urzúa U, Sung H, González MJ. SAT0175 Alterations of VAMP2 and SINTAXIN-2 in salivary acinar cells modify the secretion process in sjögren’s syndrome patients. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.3122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Barrera MJ, Aguilera S, Hermoso M, Langjahr P, Cortés J, Castro I, Molina C, Gonzalez S, Alliende C, Bahamondes V, Sepúlveda D, Leyton C, González MJ. AB0134 Are salivary mucins able to trigger a pro-inflammatory response? Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.2457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Barrera M, Bahamondes V, Sepúlveda D, Quest A, Castro I, Cortés J, Aguilera S, Urzúa U, Molina C, Pérez P, Ewert P, Alliende C, Hermoso M, González S, Leyton C, González M. Sjögren's syndrome and the epithelial target: A comprehensive review. J Autoimmun 2013; 42:7-18. [DOI: 10.1016/j.jaut.2013.02.001] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Accepted: 02/11/2013] [Indexed: 12/12/2022]
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Castro I, Sepúlveda D, Cortés J, Quest A, Barrera M, Bahamondes V, Aguilera S, Urzúa U, Alliende C, Molina C, González S, Hermoso M, Leyton C, González M. Oral dryness in Sjögren's syndrome patients. Not just a question of water. Autoimmun Rev 2013. [DOI: 10.1016/j.autrev.2012.10.018] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Lorga Filho AM, Azmus AD, Soeiro AM, Quadros AS, Avezum Junior A, Marques AC, Franci A, Manica ALL, Volschan A, De Paola AAV, Greco AIL, ACN F, Sousa ACS, Pesaro AEP, Simão AF, Lopes ASSA, Timerman A, Ramos AIO, Alves BR, Caramelli B, Mendes BA, Polanczyk CA, Montenegro CEL, Barbosa CJDG, Serrano Junior CV, Melo CCL, Pinho C, Moreira DAR, Calderaro D, Gualandro DM, Armaganijan D, Machado Neto EA, Bocchi EA, Paiva EF, Stefanini E, D’Amico E, Evaristo EF, Silva EER, Fernandes F, Brito Junior FS, Bacal F, Ganem F, Gomes FLT, Mattos FR, Moraes Neto FR, Tarasoutchi F, Darrieux FCC, Feitosa GS, Fenelon G, Morais GR, Correa Filho H, Castro I, Gonçalves Junior I, Atié J, Souza Neto JD, Ferreira JFM, Nicolau JC, Faria Neto JR, Annichino-Bizzacchi JM, Zimerman LI, Piegas LS, Pires LJT, Baracioli LM, Silva LB, Mattos LAP, Lisboa LAF, Magalhães LPM, Lopes MACQ, Montera MW, Figueiredo MJO, Malachias MVB, Gaz MVB, Andrade MD, Bacellar MSC, Barbosa MR, Clausell NO, Dutra OP, Coelho OR, Yu PC, Lavítola PL, Lemos Neto PA, Andrade PB, Farsky PS, Franco RA, Kalil RAK, Lopes RD, Esporcatte R, Heinisch RH, Kalil Filho R, Giraldez RRCV, Alves RC, Leite REGS, Gagliardi RJ, Ramos RF, Montenegro ST, Accorsi TAD, Jardim TSV, Scudeler TL, Moisés VA, Portal VL. Diretrizes Brasileiras de Antiagregantes Plaquetários e Anticoagulantes em Cardiologia. Arq Bras Cardiol 2013; 101:1-95. [DOI: 10.5935/abc.2013s009] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Simão AF, Precoma DB, Andrade JP, Correa Filho H, Saraiva JFK, Oliveira GMM, Murro ALB, Campos A, Alessi A, Avezum Junior A, Miguel ACMG, Sousa ACS, Lotemberg AMP, Lins AP, Falud AA, Brandão AA, Sanjuliani AF, Sbissa AS, Santos Filho AC, Herdy AH, Polanczyk CA, Lantieri CJ, Machado CA, Scherr C, Stoll C, Amodeo C, Araújo CGS, Saraiva D, Moriguchi EH, Mesquita ET, Cesena FHY, Fonseca FAH, Campos GP, Soares GP, Feitosa GS, Xavier HT, Castro I, Giuliano ICB, Rivera IV, Guimaraes ICB, Issa JS, Souza JRM, Faria Neto JR, Cunha LBN, Pellanda LC, Bortolotto LA, Bertolami MC, Miname MH, Gomes MAM, Tambascia M, Malachias MVB, Silva MAM, Iza MCO, Magalhães MEC, Bacellar MSC, Milani M, Wajngarten M, Ghorayeb N, Coelho OR, Villela PB, Jardim PCBV, Santos Filho RD, Stein R, Cassani RSL, D'Avila RL, Ferreira RM, Barbosa RB, Povoa RMS, Kaiser SE, Ismael SC, Carvalho T, Giraldez VZR, Coutinho W, Souza WKSB. I Diretriz Brasileira de Prevenção Cardiovascular. Arq Bras Cardiol 2013; 101:1-63. [DOI: 10.5935/abc.2013s012] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Schoener ER, Alley MR, Twentyman CM, Howe L, Barta JR, Charleston WAG, Castro I. Coccidiosis in hihi/stitchbirds (Notiomystis cincta) due to coccidia of the Eimeriidae. N Z Vet J 2012; 61:68-76. [PMID: 22992170 DOI: 10.1080/00480169.2012.716361] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
AIM To describe the pathology of coccidiosis in hihi and to provide preliminary data on the taxonomy of the coccidia involved using molecular methods. METHODS In an initial study from 1994 to 1997, gross and histopathological examinations were performed on 12 dead juvenile hihi from the National Wildlife Centre (NWC) at Mt. Bruce. In a second study during 2008-2010 DNA from sporulated oocysts and liver tissue was used for PCR analysis and sequencing. Faecal samples were also obtained from infected hihi from the NWC and examined for coccidial oocysts, which were then sporulated in the laboratory in 1994-1997 and 2007-2009. In addition, a post mortem was performed on a dead adult hihi from the NWC in 2008, and 18 archived hihi tissues from 11 individual birds stored at the Institute of Veterinary, Animal and Biomedical Sciences (IVABS) were used for DNA extraction. RESULTS Severe gross and histopathological changes in the intestine and occasionally in the liver were found in the 12 dead birds examined. The morphological characteristics of the sporulated oocysts suggested that two types of coccidia were present. PCR analysis and sequencing of extracted DNA supported the existence of at least two different coccidia species in hihi. These were genetically more closely related to the genus Eimeria than to the morphologically similar genus Cystisospora (formerly Isospora) of mammals. In addition, one liver tissue sample that was examined post mortem was positive for at least two different coccidia species of the family Eimeriidae according to sequencing results, and the presence of extraintestinal coccidian stages was confirmed. CONCLUSIONS Preliminary morphological and sequencing results suggest that two types of eimeriid coccidia are present and at least one of these commonly has extraintestinal stages. CLINICAL RELEVANCE Coccidiosis in hihi is a serious disease capable of causing mortalities in juvenile and adult birds in captive situations. Treatment and control of the disease will be difficult as the extraintestinal stages of the organism are likely to be refractile to oral treatment.
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Affiliation(s)
- E R Schoener
- Institute of Veterinary, Animal and Biomedical Sciences, Massey University , Palmerston North , New Zealand.
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Abstract
CASE HISTORY Nodular lesions were found on the skin of two immature brown kiwi (Apteryx mantelli) less than 6 months of age living freely on Ponui Island off the North Island of New Zealand. The lesions were observed during routine external examination undertaken as a part of the management of other research projects, one in 2006 and the other in 2011. Apart from the skin lesions, both birds showed no signs of illness and the lesions resolved spontaneously over a 2-month period. PATHOLOGICAL FINDINGS The first case showed several 3-mm diameter firm, brown nodules located on the skin below the hock of both legs. The second case had a single multinodular mass that measured 7×20 mm, on the base of the bill. A portion of the mass and scab samples were collected for diagnosis. Histological examination of the nodules revealed severe ballooning degeneration of keratinocytes and epithelial hyperplasia. Round eosinophilic structures resembling avipoxvirus (APV) intracytoplasmic inclusion bodies (Bollinger bodies) were observed in the layers of keratinocytes. In deeper layers of the epidermis, there was evidence of secondary bacterial growth and inflammation. DIAGNOSIS DNA was extracted from tissue samples and subjected to PCR analysis. Avipoxvirus 4b core protein gene was detected in both samples by PCR. Bootstrap analysis of APV 4b core protein gene revealed that APV isolates from two kiwi comprised two different subclades. One isolate displayed 100% sequence homology to subclade B1, and the other presented 100% sequence homology to subclade A3. CLINICAL RELEVANCE This study confirmed that kiwi are susceptible to APV infection and that at least two different strains of APV are present in the population examined. Since there is no information on the origin, virulence, or prevalence of APV in kiwi, a seroprevalence study would be useful to elucidate the degree of exposure and immune response to the disease. This would allow a more informed approach to risk management of the disease in wild and captive populations.
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Affiliation(s)
- H J Ha
- Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Palmerston North, New Zealand.
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Schoener ER, Alley MR, Howe L, Charleston T, Castro I. Helminths in endemic, native and introduced passerines in New Zealand. New Zealand Journal of Zoology 2012. [DOI: 10.1080/03014223.2012.676992] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Abstract
Peroxisomes are remarkably dynamic and versatile organelles that are essential for human health and development. They respond to physiological changes in the cellular environment by adapting their morphology, number, enzyme content and metabolic functions accordingly. With the discovery of the first key peroxisomal morphology proteins, the investigation of peroxisomal shape, distribution and dynamics has become an exciting new field in cell biology and biomedical sciences because of its relation to organelle functionality and its impact on developmental and physiological processes. In this review, we summarize recent findings on peroxisome biology, dynamics and the modulation of peroxisome morphology, especially in mammals. Furthermore, we discuss the roles of peroxisome dynamics and morphology in cell pathology and present recent examples for alterations in peroxisome morphology under disease conditions. Besides defects in the peroxisomal morphology machinery, we also address peroxisome biogenesis disorders, alterations of peroxisome number during carcinogenesis and liver cirrhosis, and morphological alterations of peroxisomes during viral infection.
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Affiliation(s)
- D Ribeiro
- Centre for Cell Biology and Deptartment of Biology, University of Aveiro, Aveiro, Portugal
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Morgan KJ, Alley MR, Pomroy WE, Castro I, Howe L. Enteric coccidiosis in the brown kiwi (Apteryx mantelli). Parasitol Res 2012; 111:1689-99. [PMID: 22837099 DOI: 10.1007/s00436-012-3008-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2012] [Accepted: 06/11/2012] [Indexed: 12/01/2022]
Abstract
Enteric coccidiosis may cause significant morbidity and mortality in juvenile brown kiwi (Apteryx mantelli). Morphology of sporulated oocysts indicates that at least two Eimeria species are able to infect the brown kiwi. A histological study of the endogenous stages of coccidia was undertaken in the intestinal tracts of ten naturally infected young kiwi. Sequential sectioning of the entire intestinal tract allowed identification and recording of the distribution of the various coccidial life stages. Macromeronts measuring 268 × 162 μm when mature were found mainly within the lamina propria of the proximal one third of the small intestine. A smaller form of lamina propria meront was also identified (8.7 × 6.4 μm) with a similar distribution to the macromeronts. Small meronts (4.4 × 3.8 μm) were also identified in mucosal epithelial cells, with the overall peak in distribution within the intestinal tract being distal to the lamina propria meronts. Three morphologically distinctive gametocytes were identified. Type A gametocytes contained within epithelial cells shared the same distribution as the epithelial meronts. Polyps containing large numbers of type B gametocytes within the distal intestinal tract were found in two cases, and type C gametocytes were identified throughout the entire intestinal tract in one case only. The observational nature of this study precludes complete knowledge of the parasite life cycles using histology alone. However, it is likely that each of the three morphologically distinct gametocytes represents a separate species of enteric coccidia.
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Affiliation(s)
- K J Morgan
- Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Private Bag 11 222, Palmerston North, New Zealand.
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Gok Oguz E, Olmaz R, Turgutalp K, Muslu N, Sungur MA, Kiykim A, Van Biesen W, Vanmassenhove J, Glorieux G, Vanholder R, Chew S, Forster K, Kaufeld T, Kielstein J, Schilling T, Haverich A, Haller H, Schmidt B, Hu P, Liang X, Liang X, Chen Y, LI R, Jiang F, LI Z, Shi W, Lim CCW, Lim CCW, Chia CML, Tan AK, Tan CS, Hu P, Liang X, Liang X, Chen Y, LI R, Jiang F, LI Z, Shi W, Ng R, Subramani S, Chew S, Perez de Jose A, Bernis Carro C, Madero Jarabo R, Bustamante J, Sanchez Tomero JA, Chung W, Ro H, Chang JH, Lee HH, Jung JY, Vanmassenhove J, Van Biesen W, Glorieux G, Vanholder R, Fazzari L, Giuliani A, Scrivano J, Pettorini L, Benedetto U, Luciani R, Roscitano A, Napoletano A, Coclite D, Cordova E, Punzo G, Sinatra R, Mene P, Pirozzi N, Shavit L, Shavit L, Manilov R, Algur N, Wiener-Well Y, Slotki I, Pipili C, Pipili C, Vrettou CS, Avrami K, Economidou F, Glynos K, Ioannidou S, Markaki V, Douka E, Nanas S, De Pascalis A, De Pascalis A, Cofano P, Proia S, Valletta A, Vitale O, Russo F, Buongiorno E, Filiopoulos V, Biblaki D, Lazarou D, Chrysis D, Fatourou M, Lafoyianni S, Vlassopoulos D, Zakiyanov O, Kriha V, Vachek J, Svarcova J, Zima T, Tesar V, Kalousova M, Kaushik M, Kaushik M, Ronco C, Cruz D, Zhang L, Zhang W, Zhang W, Chen N, Ejaz AA, Kambhampati G, Ejaz N, Dass B, Lapsia V, Arif AA, Asmar A, Shimada M, Alsabbagh M, Aiyer R, Johnson R, Chen TH, Chang CH, Chang MY, Tian YC, Hung CC, Fang JT, Yang CW, Chen YC, Cantaluppi V, Quercia AD, Figliolini F, Giacalone S, Pacitti A, Gai M, Guarena C, Leonardi G, Leonardi G, Biancone L, Camussi G, Segoloni GP, De Cal M, Lentini P, Clementi A, Virzi GM, Scalzotto E, Ronco C, Lacquaniti A, Lacquaniti A, Donato V, Fazio MR, Lucisano S, Cernaro V, Lupica R, Buemi M, Turgutalp K, Helvaci I, Anik E, Kiykim A, Wani M, Wani DI, Bhat DMA, Banday DK, Najar DMS, Reshi DAR, Palla DNA, Turgutalp K, Kiykim A, Helvaci I, Iglesias P, Olea T, Vega-Cabrera C, Heras M, Bajo MA, Del Peso G, Arias MJ, Selgas R, Diez JJ, Daher E, Costa PL, Pereira ENS, Santos RDP, Abreu KL, Silva Junior G, Pereira EDB, Raimundo M, Crichton S, Syed Y, Martin J, Whiteley C, Bennett D, Ostermann M, Gjyzari A, Thereska N, Koroshi A, Barbullushi M, Kodra S, Idrizi A, Strakosha A, Petrela E, Raimundo M, Crichton S, Syed Y, Martin J, Lemmich Smith J, Bennett D, Ostermann M, Klimenko A, Tuykhmenev E, Villevalde S, Kobalava Z, Avdoshina S, Villevalde S, Tyukhmenev E, Efremovtseva M, Kobalava Z, Hayashi H, Hayashi H, Suzuki S, Kataoka K, Kondoh Y, Taniguchi H, Sugiyama D, Nishimura K, Sato W, Maruyama S, Matsuo S, Yuzawa Y, Geraldine D, Muriel F, Alexandre H, Eric R, Fu P, Zhang L, Pozzato M, Ferrari F, Cecere P, Mesiano P, Vallero A, Livigni S, Quarello F, Hudier L, Decaux O, Haddj-Elmrabet A, Mandart L, Lino-Daniel M, Bridoux F, Renaudineau E, Sawadogo T, Le Pogamp P, Vigneau C, Famee D, Koo HM, Oh HJ, Han SH, Choi KH, Kang SW, Mehdi M, Nicolas M, Mariat C, Shah P, Kute VB, Vanikar A, Gumber M, Patel H, Trivedi H, Pipili C, Pipili C, Manetos C, Vrettou CS, Poulaki S, Tripodaki ES, Papastylianou A, Routsi C, Nanas S, Uchida K, Kensuke U, Yamagata K, Saitou C, Okada M, Chita G, Davies M, Veriawa Y, Naicker S, Mukhopadhyay P, Mukherjee D, Mishra R, Kar M, Zickler D, Wesselmann H, Schindler R, Gutierrez* E, Egido J, Rubio-Navarro A, Buendia I, Blanco-Colio LM, Toldos O, Manzarbeitia F, De Lorenzo A, Sanchez R, Praga^ M, Moreno^ JA, Kim MY, Kang NR, Jang HR, Lee JE, Huh W, Kim YG, Kim DJ, Hong SC, Kim JS, Oh HY, Okamoto T, Kamata K, Naito S, Tazaki H, Kan S, Anne-Kathrin LG, Matthias K, Speer T, Andreas L, Heinrich G, Thomas V, Poppleton A, Danilo F, Matthias K, Lai CF, Wu VC, Shiao CC, Huang TM, Wu KD, Bedford M, Farmer C, Irving J, Stevens P, Patera F, Patera F, Mattozzi F, Battistoni S, Fagugli RM, Park MY, Choi SJ, Kim JG, Hwang SD, Xie H, Chen H, Xu S, He Q, Liu J, Hu W, Liu Z, Dalboni M, Blaya R, Quinto BM, Narciso R, Oliveira M, Monte J, Durao M, Cendoroglo M, Batista M, Hanemann AL, Liborio A, Daher E, Martins A, Pinheiro MCC, Silva Junior G, Meneses G, De Paula Pessoa R, Sousa M, Bezerra FSM, Albuquerque PLMM, Lima JB, Lima CB, Veras MDSB, Silva Junior G, Daher E, Nemoto Matsui T, Totoli C, Cruz Andreoli MC, Vilela Coelho MP, Guimaraes de Souza NK, Ammirati AL, De Carvalho Barreto F, Ferraz Neto BH, Fortunato Cardoso Dos Santos B, Abraham A, Abraham G, Mathew M, Duarte PMA, Duarte FB, Barros EM, Castro FQS, Silva Junior G, Daher E, Palomba H, Castro I, Sousa SR, Jesus AN, Romano T, Burdmann E, Yu L, Kwon SH, You JY, Hyun YK, Woo SA, Jeon JS, Noh HJ, Han DC, Tozija L, Tozija L, Petronievic Z, Selim G, Nikolov I, Stojceva-Taneva O, Cakalaroski K, Lukasz A, Beneke J, Schmidt B, Kielstein J, Haller H, Menne J, Schiffer M, Polanco N, Hernandez E, Gutierrez E, Gutierrez Millet V, Gonzalez Monte E, Morales E, Praga M, Francisco Javier L, Nuria GF, Jose Maria MG, Bes Rastrollo M, Angioi A, Conti M, Cao R, Atzeni A, Pili G, Matta V, Murgia E, Melis P, Binda V, Pani A, Thome* F, Leusin F, Barros E, Morsch C, Balbinotto A, Pilla C, Premru V, Buturovic-Ponikvar J, Ponikvar R, Marn-Pernat A, Knap B, Kovac J, Gubensek J, Kersnic B, Krnjak L, Prezelj M, Granatova J, Havrda M, Hruskova Z, Kratka K, Remes O, Mokrejsova M, Bolkova M, Lanska V, Rychlik I, Uniacke MD, Lewis RJ, Harris S, Roderick P, Thome* F, Balbinotto A, Barros E, Morsch C, Martin N, Ulrich K, Jan B, Jorn B, Reinhard B, Jan K, Hermann H, Meyer Tobias F, Leyla R, Schmidt Bernhard MW, Harald S, Jurgen S, Tanja K, Menne J, Mario S, Jan B, Jan B, Sang Hi E, Leyla R, Claus M, Frank V, Aleksej S, Sengul S, Jan K, Jorn B, Reinhard B, Meyer Tobias F, Schmidt Bernhard MW, Mario S, Martin N, Ulrich K, Robert S, Karin W, Tanja K, Hermann H, Menne J, Leyla R, Leyla R, Jan K, Jan B, Reinhard B, Feikah G, Hermann H, Tanja K, Ulrich K, Menne Tobias F, Claus M, Martin N, Mario S, Schmidt Bernhard MW, Harald S, Jurgen S, Menne J, Claus M, Claus M, Jan K, Jan B, Reinhard B, Feikah G, Hermann H, Ulrich K, Menne Tobias F, Meyer Tobias N, Martin N, Leyla R, Schmidt Bernhard MW, Harald S, Jurgen S, Tanja K, Mario S, Menne J, Kielstein J, Beutel G, Fleig S, Steinhoff J, Meyer T, Hafer C, Bramstedt J, Busch V, Vischedyk M, Kuhlmann U, Ries W, Mitzner S, Mees S, Stracke S, Nurnberger J, Gerke P, Wiesner M, Sucke B, Abu-Tair M, Kribben A, Klause N, Schindler R, Merkel F, Schnatter S, Dorresteijn E, Samuelsson O, Brunkhorst R, Stec-Hus Registry G, Reising A, Hafer C, Kielstein J, Schmidt B, Bange FC, Hiss M, Vetter F, Kielstein J, Beneke J, Bode-Boger SM, Martens-Lobenhoffer J, Schiffer M, Schmidt BMW, Haller H, Menne J, Kielstein JT, Shin HS, Jung YS, Rim H. AKI - Clinical. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Carabalí G, Chavira E, Castro I, Bucio E, Huerta L, Jiménez-Mier J. Novel sol–gel methodology to produce LaCoO3 by acrylamide polymerization assisted by γ-irradiation. Radiat Phys Chem Oxf Engl 1993 2012. [DOI: 10.1016/j.radphyschem.2012.01.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Marques APC, Oliveira PC, Reis Junior J, Castro I, Monteiro JSC, Pinheiro ALB. Evaluation of Healing of Third-Degree Burns in Diabetic and Non-diabetic Rats illuminated or not with a Polarized Light source. Med Oral Patol Oral Cir Bucal 2012. [DOI: 10.4317/medoral.17643739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Maia R, Abranches M, Serrão AP, Castro I. [Iatrogenic Kaposi's sarcoma with exclusive skin involvement]. An Pediatr (Barc) 2011; 75:348-50. [PMID: 21908241 DOI: 10.1016/j.anpedi.2011.07.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Revised: 07/13/2011] [Accepted: 07/18/2011] [Indexed: 10/17/2022] Open
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Rippon RJ, Alley MR, Castro I. Causes of mortality in a nestling population of free-living hihi (stitchbird—Notiomystis cincta). New Zealand Journal of Zoology 2011. [DOI: 10.1080/03014223.2011.571266] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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