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Found 37769 matches. Displaying 4051-4060
Simunovic M
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Biology and physics rendezvous at the membrane A reductionist model of the cell membrane reveals the physics underlying endocytosis
SCIENCE 2017 DEC 8; 358(6368):1265
How cells absorb materials from their environment has, for decades, fascinated biologists and physicists alike. At the heart of this phenomenon is endocytosis, a mechanism that enables signaling among cells, synaptic transmission, intake of nutrients from the environment, and immune response, but also infection (1).
Lachowicz-Scroggins ME, Finkbeiner WE, Gordon ED, Yuan S, Zlock L, Bhakta NR, Woodruff PG, Fahy JV, Boushey HA
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Corticosteroid and long-acting beta-agonist therapy reduces epithelial goblet cell metaplasia
CLINICAL AND EXPERIMENTAL ALLERGY 2017 DEC; 47(12):1534-1545
Background: Bronchial epithelial goblet cell metaplasia (GCM) with hyperplasia is a prominent feature of asthma, but the effects of treatment with corticosteroids alone or in combination with a long-acting b2-adrenergic receptor agonist (LABA) on GCM in the bronchial epithelium are unknown. Objectives: To determine whether corticosteroid alone or in combination with a LABA alters protein and gene expression pathways associated with IL-13-induced goblet cell metaplasia. Results: We evaluated the effects of fluticasone propionate (FP) and of salmeterol (SM), on the response of well-differentiated cultured bronchial epithelial cells to interleukin-13 (IL-13). Outcome measures included gene expression of SPDEF/FOXa2, gene expression and protein production of MUC5AC/MUC5B and morphologic appearance of cultured epithelial cell sheets. We additionally analysed expression of these genes in bronchial epithelial brushings from healthy, steroid-naive asthmatic and steroid-treated asthmatic subjects. In cultured airway epithelial cells, FP treatment inhibited IL-13-induced suppression of FOXa2 gene expression and up-regulation of SPDEF, alterations in gene and protein measures of MUC5AC and MUC5B and induction of GCM. The addition of SM synergistically modified the effects of FP modestly-only for gel-forming mucin MUC5AC. In bronchial epithelial cells recovered from asthmatic vs healthy human subjects, we found FOXa2 and MUC5B gene expression to be reduced and SPDEF and MUC5AC gene expression to be increased; these alterations were not observed in bronchial epithelial cells recovered after treatment with inhaled corticosteroids. Conclusion and Clinical Relevance: Corticosteroid treatment inhibits IL-13-induced GCM of the airways in asthma, possibly through its effects on SPDEF and FOXa2 regulation of mucin gene expression. These effects are modestly augmented by the addition of a long-acting beta-agonist. As we found evidence for drug treatment counteracting the effects of IL-13 on the epithelium, we conclude that further exploration into the mechanisms by which corticosteroids and long-acting b2-adrenergic agonists confer protection against pathologic airway changes is warranted.
Parrini M, Ghezzi D, Deidda G, Medrihan L, Castroflorio E, Alberti M, Baldelli P, Cancedda L, Contestabile A
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Aerobic exercise and a BDNF-mimetic therapy rescue learning and memory in a mouse model of Down syndrome
SCIENTIFIC REPORTS 2017 DEC 4; 7(?):? Article 16825
Down syndrome (DS) is caused by the triplication of human chromosome 21 and represents the most frequent genetic cause of intellectual disability. The trisomic Ts65Dn mouse model of DS shows synaptic deficits and reproduces the essential cognitive disabilities of the human syndrome. Aerobic exercise improved various neurophysiological dysfunctions in Ts65Dn mice, including hippocampal synaptic deficits, by promoting synaptogenesis and neurotransmission at glutamatergic terminals. Most importantly, the same intervention also prompted the recovery of hippocampal adult neurogenesis and synaptic plasticity and restored cognitive performance in trisomic mice. Additionally, the expression of brain-derived neurotrophic factor (BDNF) was markedly decreased in the hippocampus of patients with DS. Since the positive effect of exercise was paralleled by increased BDNF expression in trisomic mice, we investigated the effectiveness of a BDNF-mimetic treatment with 7,8-dihydroxyflavone at alleviating intellectual disabilities in the DS model. Pharmacological stimulation of BDNF signaling rescued synaptic plasticity and memory deficits in Ts65Dn mice. Based on our findings, Ts65Dn mice benefit from interventions aimed at promoting brain plasticity, and we provide evidence that BDNF signaling represents a potentially new pharmacological target for treatments aimed at rescuing cognitive disabilities in patients with DS.
Simunovic M, Saric A, Henderson JM, Lee KYC, Voth GA
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Long-Range Organization of Membrane-Curving Proteins
ACS CENTRAL SCIENCE 2017 DEC 27; 3(12):1246-1253
Biological membranes have a central role in mediating the organization of membrane-curving proteins, a dynamic process that has proven to be challenging to probe experimentally. Using atomic force microscopy, we capture the hierarchically organized assemblies of Bin/amphiphysin/Rvs (BAR) proteins on supported lipid membranes. Their structure reveals distinct long linear aggregates of proteins, regularly spaced by up to 300 nm. Employing accurate freeenergy calculations from large-scale coarse-grained computer simulations, we found that the membrane mediates the interaction among protein filaments as a combination of short-and long-ranged interactions. The long-ranged component acts at strikingly long distances, giving rise to a variety of micron-sized ordered patterns. This mechanism may contribute to the long-ranged spatiotemporal control of membrane remodeling by proteins in the cell.
Pedraza-Sanchez S, Lezana-Fernandez JL, Gonzalez Y, Martinez-Robles L, Ventura-Ayala ML, Sadowinski-Pine S, Nava-Frias M, Moreno-Espinosa S, Casanova JL, Puel A, Boisson-Dupuis S, Torres M
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Disseminated Tuberculosis and Chronic Mucocutaneous Candidiasis in a Patient with a Gain-of-Function Mutation in Signal Transduction and Activator of Transcription 1
FRONTIERS IN IMMUNOLOGY 2017 DEC 6; 8(?):? Article 1651
In humans, recessive loss-of-function mutations in STAT1 are associated with mycobacterial and viral infections, whereas gain-of-function (GOF) mutations in STAT1 are associated with a type of primary immunodeficiency related mainly, but not exclusively, to chronic mucocutaneous candidiasis (CMC). We studied and established a molecular diagnosis in a pediatric patient with mycobacterial infections, associated with CMC. The patient, daughter of a non-consanguineous mestizo Mexican family, had axillary adenitis secondary to BCG vaccination and was cured with resection of the abscess at 1-year old. At the age of 4 years, she had a supraclavicular abscess with acid-fast-staining bacilli identified in the soft tissue and bone, with clinical signs of disseminated infection and a positive Gene-X-pert test, which responded to anti-mycobacterial drugs. Laboratory tests of the IL-12/interferon gamma (IFN-gamma) circuit showed a higher production of IL-12p70 in the whole blood from the patient compared to healthy controls, when stimulated with BCG and BCG + IFN-gamma. The whole blood of the patient produced 35% less IFN-gamma compared to controls assessed by ELISA and flow cytometry, but IL-17 producing T cells from patient were almost absent in PBMC stimulated with PMA plus ionomycin. Signal transduction and activator of transcription 1 (STAT1) was hyperphosphorylated at tyrosine 701 in response to IFN-gamma and -alpha, as demonstrated by flow cytometry and Western blotting in fresh blood mononuclear cells and in Epstein-Barr virus lymphoblastoid cell lines (EBV-LCLs); phosphorylation of STAT1 in EBV-LCLs from the patient was resistant to inhibition by staurosporine but sensitive to ruxolitinib, a Jak phosphorylation inhibitor. Genomic DNA sequencing showed a de novo mutation in STAT1 in cells from the patient, absent in her parents and brother; a known T385M missense mutation in the DNA-binding domain of the transcription factor was identified, and it is a GOF mutation. Therefore, GOF mutations in STAT1 can induce susceptibility not only to fungal but also to mycobacterial infections by mechanisms to be determined.
Sirunyan AM, Turnasyan A, Adam W, Arribrogi F, Asilar E, Bergauer T, Brandstetter J, Brondolin E, Dragicevic M, Ero J, Del Valle AE, Flechl M, Friedl M, Fruehwirth R, Ghete VM, Grossmann J, Hrubec J, Jeitler M, Konig A, Krammer N, Kratschmer I, Liko D, Madlener T, Mikulec I, Pree E, Rad N, Rohringer H, Schieck J, Schofbeck R, Spanring M, Spitzbart D, Waltenberger W, Wittmann J, Wulzj CE, Zarucki M, Chekhovsky V, Mossolov V, Gonzalez JS, De Wolf EA, Di Croce D, Janssen X, Lauwers J, Van De Klundert M, Van Haevermaet H, Van Mechelen P, Van Remortel N, Abu Zeid S, Blekman F, D'Hondt J, De Bruyn I, De Clercq J, Deroover K, Flouris G, Lontkovskyi D, Lowette S, Marchesini I, Moortgat S, Moreels L, Python Q, Skovpen K, Tavernier S, Van Doninck W, Van Mulders P, Van Parijs I, Beghin D, Biltn B, Brun H, Clerbaux B, De Lentdecker G, Delannoy H, Dorney B, Fasanella G, Favart L, Goldouzian R, Grebenyuk A, Kalsi AK, Lenzi T, Luetic J, Maerschalk T, Marinov A, Seva T, Starling E, Vander Velde C, Vanlaer P, Vannerom D, Yonamine R, Zenoni F, Cornelis T, Dobur D, Fagot A, Gu M, Khvastunov I, Poyraz D, Roskas C, Salva S, Tytgat M, Verbeke W, Zaganidis N, Bakhshiansohi H, Bondu O, Brochet S, Bruno G, Caputo C, Caudron A, David P, De Visscher S, Delaere C, Delcourt M, Francois B, Giammanco A, Komm M, Krintiras G, Lemaitre V, Magitteri A, Mertens A, Iviusich M, Piotrzkowski K, Quertenmont L, Saggio A, Marono MV, Wertz S, Zobec J, Alda WL, Alves FL, Alves GA, Brito L, Martins MC, Hensel C, Moraes A, Pol ME, Teles PR, Das Chagas EBB, Carvalho W, Chinellato J, Coelho E, Da Costa EM, Da Silveira GG, Damiao DD, De Souza SF, Guativa LMH, Malbouisson H, De Almeida MM, Herrera CM, Mundim L, Nogima H, Rosas LJS, Santoro A, Sznajder A, Thie M, Manganote EJT, De Araujo FTD, Pereira AV, Ahuja S, Bernardes CA, Tomei TRFP, Gregores EM, Mercadante PG, Novaes SF, Padula SS, Abad DR, Vargas JCR, Aleksandrov A, Hadjiiska R, Iaydjiev P, Misheva M, Rodozov M, Shopova M, Sultanov G, Dimitrov A, Litov L, Pavlov B, Petkov P, Fang W, Gao X, Yuan L, Ahmad M, Bian JG, Chen GM, Chen HS, Chen M, Chen Y, Jiang CH, Leggat D, Liao H, Liu Z, Romeo F, Shaheen SM, Spiezia A, Tao J, Wang C, Wang Z, Yazgan E, Zhang H, Zhang S, Zhao J, Ban Y, Chen G, Li J, Li Q, Liu S, Mao Y, Qian SJ, Wang D, Xu Z, Zhang F, Wang Y, Avila C, Cabrera A, Sierra LFC, Florez C, Hernandez CFG, Alyarez JDR, Delgado MAS, Courbon B, Godinovic N, Lelas D, Puljak I, Cipriano PMR, Sculac T, Antunovic Z, Kovac M, Brigljevic V, Ferencek D, Kadija K, Mesic B, Starodumov A, Susa T, Ather MW, Attikis A, Mavromanolakis G, Mousa J, Nicolaou C, Ptochos F, Razis PA, Rykaczewski H, Finger M, Finger M, Jarrin EC, Assran Y, Elgammal S, Mahrous A, Dewanjee RK, Kadastik M, Perrini L, Raidal M, Tiko A, Veelken C, Eerola P, Kirschenmann H, Pekkanen J, Voutilainen M, Havukainen J, Heikkila JK, Jarvinen T, Karimaki V, Kinnunen R, Lampen T, Lassila-Perini K, Laurila S, Lehti S, Linden T, Luukka R, Siikonen H, Tuominen E, Tuominiemi J, Tuuva T, Besancon M, Couderc F, Dejardin M, Denegri D, Faure JL, Ferri F, Ganjour S, Ghosh S, Gras P, de Monchenault GH, Jarry P, Kucher I, Leloup C, Locci E, Machet M, Malcles J, Negro G, Rander J, Rosowsky A, Sahin MO, Titov M, Abdulsalam A, Amendola C, Antropov I, Baffioni S, Beaudette F, Busson P, Cadamuro L, Charlot C, de Cassagnac RG, Jo M, Lisniak S, Lobanov A, Blanco JM, Nguyen M, Ochando C, Ortona G, Paganini P, Pigard P, Salerno R, Sauvan JB, Sirois Y, Leiton ACS, Strebler T, Yilmaz Y, Zabi A, Zghiche A, Agram JL, Andrea J, Bloch D, Brom JM, Buttigno M, Chabert EC, Chanon N, Collard C, Conte E, Coubez X, Fontaine JC, Gele D, Goerlach U, Jansova M, Billan AC, Tonon N, Van Hove P, Gadrat S, Beauceron S, Bernet C, Boudoul G, Chierici R, Contardo D, Depasse P, El Mamouni H, Fay J, Finco L, Gascon S, Gouzevitch M, Grenier G, Ille B, Lagarde F, Laktineh IB, Lethuillier M, Mirabito L, Pequegnot AL, Perries S, Popoyn A, Sordini V, Vander Donckt M, Viret S, Toriashyili T, Bagaturia I, Autermann C, Feld L, Kiese MK, Klein K, Lipinski M, Preuten M, Schomakers C, Schulz J, Teroerde M, Zhukov V, Albert A, Dietz-Laursonn E, Duchardt D, Endres M, Erdmann M, Erdweg S, Esch T, Fischer R, Guth A, Hamer M, Hebbeker T, Heidemann C, Hoepfner K, Knutzen S, Merschmeyer M, Meyer A, Millet P, Mukherjee S, Pook T, Radziej M, Reithler H, Rieger M, Scheuch F, Teyssier D, Thuer S, Flugge G, Kargoll B, Kress T, Kunsken A, Muller T, Nehrkorn A, Nowack A, Pistone C, Pooth O, Stahl A, Martin MA, Arndt T, Asawatangtrakuldee C, Beernaert K, Behnke O, Behrens U, Martinez AB, Bin Anuar AA, Borras K, Botta V, Campbell A, Connor P, Contreras-Campana C, Costanza F, Pardos CD, Eckerlin G, Eckstein D, Eichhorn T, Eren E, Gallo E, Garcia JG, Geiser A, Luyando JMG, Grohsjean A, Gunnellini P, Guthoff M, Harb A, Hauk J, Hempel M, Jung H, Kasemann M, Keaveney J, Kleinwort C, Korol I, Krucker D, Lange W, Lelek A, Lenz T, Leonard J, Lipka K, Lohmann W, Mankel R, Melzer-Pellmann IA, Meyer AB, Mittag G, Mnich J, Mussgiller A, Ntomari E, Pitzi D, Raspereza A, Savitskyi M, Saxena P, Sheychenko R, Stefaniuk N, Van Onsem GP, Walsh R, Wen Y, Wichmann K, Wissing C, Zenaiev O, Aggleton R, Bein S, Blobe V, Vignali MC, Dreyer T, Garutti E, Gonzalez D, Hailer J, Hinzmann A, Hoffmann M, Karavdina A, Klanner R, Kogler R, Kovalchuk N, Kurz S, Lapsien T, Marconi D, Meyer M, Niedziela M, Nowatschin D, Pantaleo F, Peiffer T, Perieanu A, Scharf C, Schleper P, Schmidt A, Schumann S, Schwandt J, Sonneveld J, Stadie H, Steinbruck G, Stober FM, Stover M, Tholen H, Troendle D, Usai E, Vanhoefer A, Vormwald B, Akbiyik M, Barth C, Baselga M, Baur S, Butz E, Caspart R, Chwalek T, Colombo F, De Boer W, Dierlamm A, Faltermann N, Freund B, Friese R, Giffels M, Harrendorf MA, Hartmann F, Heindl SM, Husemann U, Kassel F, Kudella S, Mildner H, Mozer MU, Muller T, Plagge M, Quast G, Rabbertz K, Schroder M, Shvetsov I, Sieber G, Simonis HJ, Ulrich R, Wayand S, Weber M, Weiler T, Williamson S, Wohrmann C, Wolf R, Anagnostou G, Daskalakis G, Geralis T, Kyriakis A, Loukas D, Topsis-Giotis I, Karahanasis G, Kesisoglou S, Panagiotou A, Saouldou N, Kousours K, Evangelou I, Foudas C, Gianneios P, Kokkas P, Mallios S, Manthos N, Papadopoulos I, Paradas E, Strologas J, Triantis FA, Tsitsonis D, Csanad M, Filipovic N, Pasztor G, Suranyi O, Veres GI, Bencze G, Hajdu C, Horvath D, Hunyadi A, Sikler F, Veszpremi V, Beni N, Czellar S, Karancsi J, Makovec A, Molnar J, Szillasi Z, Bartok M, Raics P, Trocsanyi ZL, Ujvari B, Choudhury S, Komaragiri JR, Bahinipati S, Bhowmik S, Ma P, Manda K, Nayak A, Sahoo DK, Sahoo N, Swain SK, Bansa S, Beri SB, Bhatnagar V, Chawla R, Dhingra N, Kaur A, Kaur M, Kaur S, Kumar R, Kumari P, Mehta A, Sing JB, Walia G, Kumar A, Shah A, Bhardwaj A, Chauhan S, Choudhary BC, Garg RB, Keshri S, Kumar A, Malhotra S, Naimuddin M, Ranjan K, Sharma R, Bhardwaj R, Bhattacharya R, Bhattacharya S, Bhawandeep U, Dey S, Dutt S, Dutta S, Ghosh S, Majumdar N, Modak A, Monda K, Mukhopadhyay S, Nandan S, Purohit A, Roy A, Chowdhury SR, Sarkar S, Sharan M, Thakur S, Behera PK, Chudasama R, Duna D, Jha V, Kumar V, Mohanty AK, Netrakanti PK, Pant LM, Shukla P, Topkar A, Aziz T, Dugad S, Maliakud B, Mitra S, Mohanty GB, Sur N, Sutar B, Banerjee S, Bhattacharya S, Chatterjee S, Das P, Guchait M, Jain S, Kumar S, Maity M, Majumder G, Mazumdar K, Sarkar T, Wickramage N, Chauhan S, Dube S, Hegde V, Kapoor A, Kothekar K, Pandey S, Rane A, Sharma S, Chenarani S, Tadavani EE, Etesami SM, Khakzad M, Najafabadi MM, Naseri M, Mehdiabadi SP, Hosseinabadi FR, Safarzadeh B, Zeinali M, Felcini M, Grunewald M, Abbrescia M, Calabria C, Colaleo A, Creanza D, Cristella L, De Filippis N, De Palma M, Errico F, Fiore L, Laselli G, Lezki S, Maggi G, Maggi M, Miniello G, My S, Nuzzo SS, Pompili A, Pugliese G, Radogna R, Ranieri A, Selvaggi G, Snarma A, Silvestris L, Venditti R, Verwilligen P, Abbiendi G, Battilana C, Bonacorsi D, Borgonovi L, Braibant-Giacomelli S, Campanini R, Castro A, Cavallo FR, Chhibra SS, Codispoti G, Cuffiani M, Dallavalle GM, Fabbri F, Fanfani A, Fasanella D, Giacomelli P, Grandi C, Guiducci L, Marcellini S, Masetti G, Montanan A, Navarria FL, Perrotta A, Rossi AM, Rovelli T, Siroli GP, Tosi N, Albergo S, Costa S, Di Mania A, Giordano F, Potenza R, Tricomi A, Tuve C, Barbagli G, Chatterjee K, Ciulli V, Civinini C, D'Alessandro R, Focardi E, Lenzia P, Meschini M, Paoletti S, Russo L, Sguazzoni G, Strom D, Viliani L, Benussi L, Bianco S, Fabbri F, Piccolo D, Primavera F, Calvelli V, Ferro F, Ravera F, Robutti E, Tosi S, Benaglia A, Beschi A, Brianza L, Brivio F, Ciriolo V, Dinardo ME, Fiorendi S, Gennai S, Ghezzi A, Govoni P, Malberti M, Malvezzi S, Manzoni RA, Menasce D, Moronia L, Paganonia M, Pauwels K, Pedrinia D, Pigazzini S, Ragazzi S, de Fatis TT, Buontempoa S, Cavallo N, Di Guida S, Fahozzi F, Fienga F, Iorio AOM, Khana WA, Listaa L, Meola S, Paolucci P, Sciacca C, Thyssena F, Azzia P, Bacchettaa N, Benato L, Bisello D, Boletti A, Carlin R, De Oliveira ACA, Checchiaa P, Manzano PDC, Dorigoa T, Dossellia U, Gasparinia F, Gasparini U, Gozzelinoa A, Lacapraraa S, Margoni M, Meneguzzo AT, Pozzobon N, Ronchese P, Rossin R, Simonetto F, Torassaa E, Zanetti M, Zotto P, Zumerle G, Braghieri A, Magnani A, Montagna P, Ratti SP, Re V, Ressegotti M, Riccardi C, Salvini P, Vai I, Vitulo P, Solestizi LA, Biasini M, Bilei GM, Cecchi C, Fano L, Leonardi R, Manoni E, Mantovani G, Mariani V, Menichelli M, Rossi A, Santocchia A, Spiga D, Androsov K, Azzurri P, Bagliesi G, Boccali T, Borrello L, Castaldi R, Ciocci MA, Dell'Orso R, Fedi G, Giannini L, Giassi A, Grippo MT, Ligabue F, Lomtadze T, Manca E, Mandorli G, Messineo A, Palla F, Rizzi A, Savoy-Navarro A, Spagnolo P, Tenchini R, Tonelli G, Venturi A, Verdini PG, Barone L, Cavallari F, Cipriani M, Daci N, Del Re D, Di Marco E, Diemoz M, Gelli S, Longo E, Margaroli F, Marzocchi B, Meridiani P, Organtini G, Paramatti R, Preiato F, Rahatlou S, Rovelli C, Santanastasio F, Amapane N, Arcidiacono R, Argiro S, Armendo M, Bartosik N, Bellan R, Biino C, Cartiglia N, Cenna F, Costa M, Covarelli R, Degano A, Demaria N, Kiani B, Mariotti C, Maselli S, Migliore E, Monaco V, Monteil E, Monteno M, Obertino MM, Pacher L, Pastrone N, Pelliccioni M, Angioni GLP, Romero A, Ruspa M, Sacchi R, Shchelina K, Sola V, Solano A, Staiano A, Traczyk P, Belforte S, Casarsa M, Cossutti F, Della Ricca G, Zanetti A, Kim DH, Kim GN, Kim MS, Lee J, Lee S, Lee SW, Moon CS, Oh YD, Sekmen S, Son DC, Yang YC, Lee A, Kim H, Moon DH, Oh G, Cifuentes JAB, Goh J, Kim TJ, Cho S, Choi S, Go Y, Gyun D, Ha S, Hong B, Jo Y, Kim Y, Lee K, Lee KS, Lee S, Lim J, Park SK, Roh Y, Almond J, Kim J, Kim JS, Lee H, Lee K, Nam K, Oh SB, Radburn-Smith BC, Seo SH, Yang UK, Yoo HD, Yu GB, Kim H, Kim JH, Lee JSH, Park IC, Choi Y, Hwang C, Lee J, Yu I, Dudenas V, Juodagalvis A, Vaitkus J, Ahmed I, Ibrahim ZA, Ali MABM, Idris FM, Abdullah WATW, Yusli MN, Zolkapli Z, Reyes-Almanza R, Ramirez-Sanchez G, Duran-Osuna C, Castilla-Valdez H, De La Cruz-Burelo E, Heredia-De La Cruz I, Rabadan-Trejo RI, Lopez-Fernandez R, Guisao JM, Sanchez-Hernandez A, Moreno SC, Barrera CO, Valencia FV, Eysermans J, Pedraza I, Ibarguen HAS, Estrada CU, Pineda AM, Krofcheck D, Butler PH, Ahmad A, Ahmad M, Hassan Q, Hoorani HR, Saddique A, Shah MA, Shoaib M, Wagas M, Bialkowska H, Bluj M, Boimska B, Frueboes T, Gorski M, Kazana M, Nawrocki K, Szleper M, Zalewski P, Bunkowski K, Byszuk A, Doroba K, Kalinowski A, Konecki M, Krolikowski J, Misiura M, Olszewski M, Pyskir A, Walczak M, Bargassa P, Silva CBDE, Silva E, Di Francesco A, Faccioli P, Galinhas B, Gallinaro M, Hollar J, Leonardo N, Iglesias LL, Nemallapudi MV, Seixas J, Strong G, Toldaiev O, Vadruccio D, Varela J, Afanasiev S, Bunin P, Gavrilenko M, Golutvin I, Gorbunov I, Kamenev A, Karjavin V, Lanev A, Malalchov A, Matveev V, Palichik V, Perelygin V, Shmatov S, Shulha S, Skatchkov N, Smirnov V, Voytishin N, Zarubin A, Ivanov Y, Kim V, Kuznetsova E, Levchenko P, Murzin V, Oreshkin V, Smirnov I, Sosnov D, Sulimov V, Uvarov L, Vavilov S, Vorobyev A, Andreev Y, Dermenev A, Gninenko S, Golubev N, Karneyeu A, Kirsanov M, Krasnikov N, Pashenkov A, Tlisov D, Toropin A, Epshteyn V, Gavrilov V, Lychkovskaya N, Popov V, Pozdnyakov I, Safronov C, Spiridonov A, Stepennov A, Toms M, Vlasov E, Zhokin A, Aushey T, Bylinkin A, Chistov R, Danilov M, Parygin P, Philippov D, Polikarpov S, Tarkovskii E, Andreev V, Azarkin M, Dremin I, Kirakosyan M, Terkulov A, Baskakov A, Belyaev A, Boos E, Dudko L, Ershov A, Gribushin A, Kodolova O, Korotkikh V, Lokhtin I, Miagkov I, Obraztsov S, Petrushanko S, Savrin V, Snigirev A, Vardanyan I, Blinov V, Skovpen Y, Shtol D, Azhgirey I, Bayshev I, Bitioukov S, Elumakhov D, Godizov A, Kachanov V, Kalinin A, Konstantinov D, Mandrik P, Petrov V, Ryutin R, Sobol A, Troshin S, Tyurin N, Uzunian A, Volkov A, Adzic P, Cirkovic P, Devetak D, Dordevic M, Milosevic J, Rekovic V, Maestre JA, Bachiller I, Luna MB, Cerrada M, Colino N, De La Cruz B, Peris AD, Bedoya CF, Ramos JPF, Flix J, Fouz MC, Lopez OG, Lopez SG, Hernandez JM, Josa MI, Moran D, Yzquierdo APC, Pelayo JP, Olmeda AQ, Redondo I, Romero L, Soares MS, Fernandez AA, Albajar C, de Troconiz JF, Missiroli M, Cuevas J, Erice C, Menendez JF, Caballero IG, Fernandez JRG, Cortezon EP, Cruz SS, Vischia P, Garcia JMV, Cabrillo IJ, Calderon A, Quero BC, Curras E, Campderros JD, Fernandez M, Garcia-Feero J, Gomez G, Virto AL, Marco J, Rivero CM, del Arbo PMR, Matorras F, Gomez JP, Rodrigo T, Ruiz-Jimeno A, Scodellaro L, Trevisani N, Vila I, Cortabitarte RV, Abbaneo D, Akgun B, Auffray E, Baillon P, Ball AH, Barney D, Bendavid J, Bianco M, Bloch P, Bocci A, Botta C, Camporesi T, Castello R, Cepeda M, Cerminara G, Chapon E, Chen Y, d'Enterria D, Dabrowski A, Daponte V, David A, De Gruttola M, De Roeck A, Deelen N, Dobson M, du Pree T, Dunser M, Elliott-Peisert A, Everaerts P, Fallavollita F, Franzoni G, Fulcher J, Funk W, Gigi D, Gilbert A, Gil K, Glege F, Gulhan D, Harris P, Hegeman J, 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Khan A, Kyberd P, Reid ID, Teodorescu L, Zahid S, Borzou A, Call K, Dittmann J, Hatakeyama K, Liu H, Pastika N, Smith C, Bartek R, Dominguez A, Buccilli A, Cooper SI, Henderson C, Rumerio P, West C, Arcaro D, Avetisyan A, Bose T, Gastler D, Rankin D, Richardson C, Rohlf J, Sulak L, Zou D, Benelli G, Cutts D, Garabedian A, Hadley M, Hakala J, Heintz U, Hogan JM, Kwok KHM, Laird E, Landsberg G, Lee J, Mao Z, Narain M, Pazzini J, Piperov S, Sagir S, Syarif R, Yu D, Band R, Brainerd C, Burns D, Sanchez MCD, Chertok M, Conway J, Conway R, Cox PT, Erbacher R, Flores C, Funk G, Ko W, Lander R, Mclean C, Mulhearn M, Pellett D, Pilot J, Shalhout S, Smith J, Stolp D, Tos K, Tripathi M, Wang Z, Bachtis M, Bravo C, Cousins R, Dasgupta A, Florent A, Hauser J, Ignatenko M, Mccoll N, Regnard S, Saltzberg D, Schnaible C, Valuev V, Bouvier E, Burt K, Clare R, Ellison J, Gary JW, Shirazi SMAG, Hanson G, Heilman J, Karapostoli G, Kennedy E, Lacroix F, Long OR, Negrete MO, Paneva MI, Si W, Wang L, Wei H, 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Jones M, Jung AW, Khatiwada A, Miller DH, Neumeister N, Peng CC, Qiu H, Schulte JF, Sun J, Wang F, Xiao R, Xie W, Cheng T, Parashar N, Stupak J, Chen Z, Ecklund KM, Freed S, Geurts FJM, Guilbaud M, Kilpatrick M, Li W, Michlin B, Padley BP, Roberts J, Rorie J, Shi W, Tu Z, Zabel J, Zhang A, Bodek A, de Barbaro P, Demina R, Duh YT, Ferbel T, Galanti M, Garcia-Bellido A, Han J, Hindrichs O, Khukhunaishvili A, Lo KH, Tan P, Verzetti M, Ciesielski R, Goulianos K, Mesropian C, Agapitos A, Chou JP, Gershtein Y, Espinosa TAG, Halkiadakis E, Heindl M, Hughes E, Kaplan S, Elayavalli RK, Kyriacou S, Lath A, Montalvo R, Nash K, Osherson M, Saka H, Salur S, Schnetzer S, Sheffield D, Somalwar S, Stone R, Thomas S, Thomassen P, Walker M, Delannoy AG, Heideman J, Riley G, Rose K, Spanier S, Thapa K, Bouhali O, Hernandez AC, Celik A, Dalchenko M, De Mattia M, Delgado A, Dildick S, Eusebi R, Gilmore J, Huang T, Kamon T, Mueller R, Pakhotin Y, Pate R, Perloff A, Pernie L, Rathjens D, Safonov A, Tatarinov 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Observation of Top Quark Production in Proton-Nucleus Collisions
PHYSICAL REVIEW LETTERS 2017 DEC 14; 119(24):? Article 242001
The first observation of top quark production in proton-nucleus collisions is reported using proton-lead data collected by the CMS experiment at the CERN LHC at a nucleon-nucleon center-of-mass energy of root(S)(NN) = 8.16 TeV. The measurement is performed using events with exactly one isolated electron or muon candidate and at least four jets. The data sample corresponds to an integrated luminosity of 174 nb(-1). The significance of the tt signal against the background-only hypothesis is above 5 standard deviations. The measured cross section is sigma(tt) = 45 +/- 8 nb, consistent with predictions from perturbative quantum chromodynamics.
Riessland M, Kolisnyk B, Greengard P
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Reactive Dopamine Leads to Triple Trouble in Nigral Neurons
BIOCHEMISTRY 2017 DEC 12; 56(49):6409-6410
Cho C, Hsu M, Barba P, Maloy MA, Avecilla ST, Barker JN, Castro-Malaspina H, Giralt SA, Jakubowski AA, Koehne G, Meagher RC, O'Reilly RJ, Papadopoulos EB, Ponce DM, Tamari R, van den Brink MRM, Young JW, Devlin SM, Perales MA
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Long-term prognosis for 1-year relapse-free survivors of CD34+cell-selected allogeneic hematopoietic stem cell transplantation: a landmark analysis
BONE MARROW TRANSPLANTATION 2017 DEC; 52(12):1629-1636
CD34+ cell selection significantly improves GvHD-free survival in allogeneic hematopoietic stem cell transplantation (allo-HSCT). However, specific information regarding long-term prognosis and risk factors for late mortality after CD34+ cell-selected allo-HSCT is lacking. We conducted a single-center landmark analysis in 276 patients alive without relapse 1 year after CD34+ cell-selected allo-HSCT for AML (n = 164), ALL (n = 33) or myelodysplastic syndrome (n = 79). At 5 years' follow-up after the 1-year landmark (range 0.03-13 years), estimated relapse-free survival (RFS) was 73% and overall survival (OS) 76%. The 5-year cumulative incidence of relapse and non-relapse mortality (NRM) were 11% and 16%, respectively. In multivariate analysis, Hematopoietic Cell Transplantation Comorbidity Index score >= 3 correlated with marginally worse RFS (hazard ratio (HR) 1.78, 95% confidence interval (CI) 0.97-3.28, P = 0.06) and significantly worse OS (HR 2.53, 95% CI 1.26-5.08, P = 0.004). Despite only 24% of patients with acute GvHD within 1 year, this also significantly correlated with worse RFS and OS, with increasing grades of acute GvHD associating with increasingly poorer survival on multivariate analysis (P < 0.0001). Of 63 deaths after the landmark, GvHD accounted for 27% of deaths and was the most common cause of late mortality, followed by relapse and infection. Although prognosis is excellent for patients alive without relapse 1 year after CD34+ cell-selected allo-HSCT, risks of late relapse and NRM persist, particularly due to GvHD.
Andrews CD, Luo Y, Sun M, Yu J, Goff AJ, Glass PJ, Padte NN, Huang YX, Ho DD
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In Vivo Production of Monoclonal Antibodies by Gene Transfer via Electroporation Protects against Lethal Influenza and Ebola Infections
MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2017 DEC; 7(?):74-82
Monoclonal antibodies (mAbs) have wide clinical utility, but global access is limited by high costs and impracticalities associated with repeated passive administration. Here, we describe an optimized electroporation-based DNA gene transfer platform technology that can be utilized for production of functional mAbs in vivo, with the potential to reduce costs and administration burdens. We demonstrate that multiple mAbs can be simultaneously expressed at protective concentrations for a protracted period of time using DNA doses and electroporation conditions that are feasible clinically. The expressed mAbs could also protect mice against lethal influenza or Ebola virus challenges. Our findings suggest that this DNA gene transfer platform technology could be a game-changing advance that expands access to effective mAb therapeutics globally.
Lees JA, Zhang YX, Oh MS, Schauder CM, Yu XL, Baskin JM, Dobbs K, Notarangelo LD, De Camilli P, Walz T, Reinisch KM
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Architecture of the human PI4KIII alpha lipid kinase complex
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 2017 DEC 26; 114(52):13720-13725
Plasma membrane (PM) phosphoinositides play essential roles in cell physiology, serving as both markers of membrane identity and signaling molecules central to the cell's interaction with its environment. The first step in PM phosphoinositide synthesis is the conversion of phosphatidylinositol (PI) to PI4P, the precursor of PI(4,5)P-2 and PI(3,4,5)P-3. This conversion is catalyzed by the PI4KIII alpha complex, comprising a lipid kinase, PI4KIII alpha, and two regulatory subunits, TTC7 and FAM126. We here report the structure of this complex at 3.6-angstrom resolution, determined by cryo-electron microscopy. The proteins form an obligate similar to 700-kDa superassembly with a broad surface suitable for membrane interaction, toward which the kinase active sites are oriented. The structural complexity of the assembly highlights PI4P synthesis as a major regulatory junction in PM phosphoinositide homeostasis. Our studies provide a framework for further exploring the mechanisms underlying PM phosphoinositide regulation.