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https://www.readbyqxmd.com/read/28191285/autoantibodies-against-oncogenic-erg-protein-in-prostate-cancer-potential-use-in-diagnosis-and-prognosis-in-a-panel-with-c-myc-amacr-and-herv-k-gag
#1
Anshu Rastogi, Amina Ali, Shyh-Han Tan, Sreedatta Banerjee, Yongmei Chen, Jennifer Cullen, Charles P Xavier, Ahmed A Mohamed, Lakshmi Ravindranath, Jigisha Srivastav, Denise Young, Isabell A Sesterhenn, Jacob Kagan, Sudhir Srivastava, David G McLeod, Inger L Rosner, Gyorgy Petrovics, Albert Dobi, Shiv Srivastava, Alagarsamy Srinivasan
Overdiagnosis and overtreatment of prostate cancer (CaP) is attributable to widespread reliance on PSA screening in the US. This has prompted us and others to search for improved biomarkers for CaP, to facilitate early detection and disease stratification. In this regard, autoantibodies (AAbs) against tumor antigens could serve as potential candidates for diagnosis and prognosis of CaP. Towards this, our goals were: i) To investigate whether AAbs against ERG oncoprotein (overexpressed in 25-50% of Caucasian American and African American CaP) are present in the sera of CaP patients; ii) To evaluate an AAb panel to enhance CaP detection...
November 2016: Genes & Cancer
https://www.readbyqxmd.com/read/28190808/quantification-of-triacylglycerol-molecular-species-in-edible-fats-and-oils-by-gas-chromatographyflame-ionization-detector-using-correction-factors
#2
Kazuaki Yoshinaga, Junji Obi, Toshiharu Nagai, Hiroyuki Iioka, Akihiko Yoshida, Fumiaki Beppu, Naohiro Gotoh
In the present study, the resolution parameters and correction factors (CFs) of triacylglycerol (TAG) standards were estimated by gas chromatography-flame ionization detector (GC-FID) to achieve the precise quantification of the TAG composition in edible fats and oils. Forty seven TAG standards comprising capric acid, lauric acid, myristic acid, pentadecanoic acid, palmitic acid, palmitoleic acid, stearic acid, oleic acid, linoleic acid, and/or linolenic acid were analyzed, and the CFs of these TAGs were obtained against tripentadecanoyl glycerol as the internal standard...
February 10, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28190713/transient-atrial-fibrillation-after-open-abdominal-aortic-revascularization-surgery-is-associated-with-increased-length-of-stay-mortality-and-readmission-rates
#3
Barbara A Blanco, Anai N Kothari, Pegge M Halandras, Robert H Blackwell, Dawn M Graunke, Paul C Kuo, Jae S Cho
BACKGROUND: It is well established that transient postoperative atrial fibrillation (TPAF) is associated with adverse postoperative outcomes after major cardiac and noncardiac operations. The purpose of this study was to elucidate the incidence, impact, and risk factors associated with the development of TPAF in patients undergoing revascularization surgery for occlusive diseases of the abdominal aorta and its branches (AAB). METHODS: By use of the Healthcare Cost and Utilization Project State Inpatient Database from Florida and California, patients who underwent open revascularization of AAB between 2006 and 2011 were identified...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28187326/effect-of-chitosan-and-so2-on-viability-of-acetobacter-strains-in-wine
#4
Maria José Valera, Florencia Sainz, Albert Mas, María Jesús Torija
Wine spoilage is an important concern for winemakers to preserve the quality of their final product and avoid contamination throughout the production process. The use of sulphur dioxide (SO2) is highly recommended to prevent wine spoilage due to its antimicrobial activity. However, SO2 has a limited effect on the viability of acetic acid bacteria (AAB). Currently, the use of SO2 alternatives is favoured in order to reduce the use of chemicals and improve stabilization in winemaking. Chitosan is a biopolymer that is approved by the European authorities and the International Organization of Vine and Wine to be used as a fining agent and antimicrobial in wines...
February 1, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28178782/formation-of-aab-type-collagen-heterotrimers-from-designed-cationic-and-aromatic-collagen-mimetic-peptides-evaluation-of-the-c-terminal-cation-%C3%AF-interactions
#5
Chu-Harn Chiang, Yi-Hsuan Fu, Jia-Cherng Horng
Most of natural collagens are heterotrimers composed of two (AAB) or three (ABC) different peptide chains, and thus heterotrimeric constructs are preferable to mimic natural collagens. Exploring the forces to assemble synthetic collagen-mimetic peptides (CMPs) into heterotrimers has been an attractive topic in preparing collagen-related biomaterials. Here we designed and synthesized two cationic CMPs (CR and CK) in which multiple Arg or Lys residues are installed in their C-terminal region, and one aromatic CMP (CF) whose C-terminal end contains multiple Phe residues...
February 16, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28163240/cardiomyopathy-an-approach-to-the-autoimmune-background
#6
REVIEW
Niels-Peter Becker, Johannes Müller, Gerd Wallukat, Ingolf Schimke
Autoimmunity is increasingly accepted as the origin or amplifier of various diseases. In contrast to classic autoantibodies (AABs), which induce immune responses resulting in the destruction of the affected tissue, an additional class of AABs is directed against G-protein-coupled receptors (GPCRs; GPCR-AABs). GPCR-AABs functionally affect their related GPCRs for activation of receptor mediated signal cascades. Diseases which are characterized by the presence of GPCR-AABs with evidence for disease-specific pathogenic activity could be named "functional autoantibody disease"...
February 2, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28137667/identification-of-novel-autoantigens-via-mass-spectroscopy-based-antibody-mediated-identification-of-autoantigens-ms-amida-using-immune-thrombocytopenic-purpura-itp-as-a-model-disease
#7
Julian Kamhieh-Milz, Viktor Sterzer, Hatice Celik, Omid Khorramshahi, Reham Fadl Hassan Moftah, Abdulgabar Salama
Immune thrombocytopenic purpura (ITP) is one of the best characterized autoimmune diseases. Autoantibodies (AABs) against platelet antigens are considered as the diagnostic hallmark of ITP, but are detectable in only 50% of patients. We designed and applied a novel proteomic approach termed Mass Spectroscopy-based Antibody-Mediated Identification of Autoantigens (MS-AMIDA) for platelet antigens. Patients were separated into patients with classical AABs [ITP(+)] and patients without AABs [ITP(-)]. Altogether, 181 potential AAGs were found in ITP(+) and 135 AAGs in ITP(-), with 34 and 23 AAGs reproducibly found in two runs of MS-AMIDA...
January 27, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28115475/serum-trypsinogen-levels-in-type-1-diabetes
#8
Xia Li, Martha Campbell-Thompson, Clive H Wasserfall, Kieran McGrail, Amanda Posgai, Andrew R Schultz, Todd M Brusko, Jonathan Shuster, Faming Liang, Andrew Muir, Desmond Schatz, Michael J Haller, Mark A Atkinson
OBJECTIVE: The pancreas in type 1 diabetes exhibits decreased size (weight/volume) and abnormal exocrine morphology. Serum trypsinogen levels are an established marker of pancreatic exocrine function. As such, we hypothesized that trypsinogen levels may be reduced in patients with pre-type 1 diabetes and type 1 diabetes compared with healthy control subjects. RESEARCH DESIGN AND METHODS: Serum trypsinogen levels were determined in 100 persons with type 1 diabetes (72 new-onset, 28 established), 99 autoantibody-positive (AAb+) subjects at varying levels of risk for developing this disease, 87 AAb-negative (AAb-) control subjects, 91 AAb- relatives with type 1 diabetes, and 18 patients with type 2 diabetes...
January 23, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28099331/atorvastatin-induced-necrotizing-autoimmune-myositis-an-emerging-dominant-entity-in-patients-with-autoimmune-myositis-presenting-with-a-pure-polymyositis-phenotype
#9
Yves Troyanov, Océane Landon-Cardinal, Marvin J Fritzler, José Ferreira, Ira N Targoff, Eric Rich, Michelle Goulet, Jean-Richard Goulet, Josiane Bourré-Tessier, Yves Robitaille, Julie Drouin, Alexandra Albert, Jean-Luc Senécal
The general aim of this study was to evaluate the disease spectrum in patients presenting with a pure polymyositis (pPM) phenotype. Specific objectives were to characterize clinical features, autoantibodies (aAbs), and membrane attack complex (MAC) in muscle biopsies of patients with treatment-responsive, statin-exposed necrotizing autoimmune myositis (NAM). Patients from the Centre hospitalier de l'Université de Montréal autoimmune myositis (AIM) Cohort with a pPM phenotype, response to immunosuppression, and follow-up ≥3 years were included...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28098982/glycine-substitutions-in-collagen-heterotrimers-alter-triple-helical-assembly
#10
Katherine A Clements, Amanda M Acevedo-Jake, Douglas R Walker, Jeffrey D Hartgerink
Osteogenesis imperfecta typically results from missense mutations in the collagen genome where the required glycine residues are replaced with another amino acid. Many models have attempted to replicate the structure of mutated collagen on the triple helix level. However, composition and register control of the triple helix is complicated and requires extreme precision, especially when these destabilizing mutations are present. Here we present mutations to a composition- and register-controlled AAB helix where one of the requisite glycines in the A chain of the triple helix is changed to serine or alanine...
January 18, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28004477/revisiting-autoimmune-gastritis-in-children-and-adolescents-with-type-1-diabetes
#11
Alix Besançon, Bénédicte Michaud, Jacques Beltrand, Tania Goncalves, Jean-Philippe Jais, Michel Polak, Lucienne Chatenoud, Jean-Jacques Robert
OBJECTIVE: Assess the frequency of anti-H(+) /K(+) adenosine triphosphatase (ATPase) autoantibodies (AAB) and symptoms of autoimmune gastritis in children and adolescents with type 1 diabetes (T1D). RESEARCH DESIGN AND METHODS: Anti-H(+) /K(+) ATPase AAB were measured in 402 children and adolescents (210 boys and 192 girls, 11.1 ± 4.5 years) treated for T1D (screened positive for β-cell AAB), along with search of symptoms of anemia (hemoglobin, serum iron, and ferritin levels) and gastric pain...
December 22, 2016: Pediatric Diabetes
https://www.readbyqxmd.com/read/27989757/retinal-pigment-epithelium-and-microglia-express-the-cd5-antigen-like-protein-a-novel-autoantigen-in-age-related-macular-degeneration
#12
Alessandro Iannaccone, T J Hollingsworth, Diwa Koirala, David D New, Nataliya I Lenchik, Sarka Beranova-Giorgianni, Ivan C Gerling, Marko Z Radic, Francesco Giorgianni
We report on a novel autoantigen expressed in human macular tissues, identified following an initial Western blot (WB)-based screening of sera from subjects with age-related macular degeneration (AMD) for circulating auto-antibodies (AAbs) recognizing macular antigens. Immunoprecipitation, 2D-gel electrophoresis (2D-GE) and liquid chromatography-tandem mass spectrometry (LC-MS/MS), direct enzyme-linked immunosorbent assays (ELISA), WBs, immunohistochemistry (IHC), human primary and ARPE-19 immortalized cell cultures were used to characterize this novel antigen...
December 15, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27983529/autoantibodies-against-heat-shock-proteins-as-biomarkers-for-the-diagnosis-and-prognosis-of-cancer
#13
Liu Shi, Yann Chevolot, Eliane Souteyrand, Emmanuelle Laurenceau
Thanks to their specificity and stability in the sera, autoantibodies (AAbs) against tumor-associated antigens (TAAs) are very attractive biomarkers for the development of less invasive serological tests for the diagnosis and prognosis of cancer. Heat shock proteins (HSP) belong to TAAs and they are over-expressed in various human cancers. Elevated HSP can stimulate the immune system to produce anti-HSP antibodies. So far, AAbs against HSP have been identified in the circulation of various cancer patients. Here we will review current literature on the use of anti-HSP antibodies for cancer diagnosis and prognosis...
December 9, 2016: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/27958551/manipulating-spin-dependent-splitting-of-vector-abruptly-autofocusing-beam-by-encoding-cosine-azimuthal-variant-phases
#14
Yi Zhang, Peng Li, Sheng Liu, Lei Han, Huachao Cheng, Jianlin Zhao
We report the realization of spin-dependent splitting of vector abruptly autofocusing beam (AAB) by encoding cosine-azimuthal variant phases. By employing the local spatial frequency (LSF), we reveal an approximation mapping relationship between focal field intensity of the two spin components and the pertinent phase distribution of input field. As well as theoretical analysis, we present experimental demonstrations of this guidance. Special focal field intensity, polarization and phase are realized by consciously managing the cosine-azimuthal variant phase...
December 12, 2016: Optics Express
https://www.readbyqxmd.com/read/27942244/characterization-of-tamyb10-allelic-variants-and-development-of-sts-marker-for-pre-harvest-sprouting-resistance-in-chinese-bread-wheat
#15
Y Wang, X L Wang, J Y Meng, Y J Zhang, Z H He, Y Yang
Wheat grain color does not only affect the brightness of flour but also seed dormancy and pre-harvest sprouting (PHS) tolerance. The transcription factor Tamyb10 is an important candidate for R-1 gene, and the expression of its homologs determines wheat seed coat color. In the present study, the allelic variations of Tamyb10 were explored in a set of Chinese bread wheat varieties and advanced lines with different PHS tolerance, and a sequenced-tagged site (STS) marker for Tamyb10-D1 gene was developed, designated as Tamyb10D, which could be used as an efficient and reliable marker to evaluate the depth dormancy of wheat seeds...
2016: Molecular Breeding: New Strategies in Plant Improvement
https://www.readbyqxmd.com/read/27899902/aggressive-antisocial-behaviors-are-related-to-character-maturity-in-young-swedish-violent-offenders-independent-of-adhd
#16
Thomas Nilsson, Örjan Falk, Eva Billstedt, Nóra Kerekes, Henrik Anckarsäter, Märta Wallinius, Björn Hofvander
BACKGROUND: Antisocial personality and psychopathic traits have constantly been found to accompany criminal and aggressive behaviors, but little attention has been given to aspects of character maturity and its relation to such behaviors. The present study investigated (1) whether level of character maturity (low, medium, and high) is associated with amount of aggressive antisocial behaviors (AABs) and psychopathic traits in young men imprisoned for violent criminality, and (2) whether such an association is independent of coexisting attention-deficit hyperactivity disorder (ADHD)...
2016: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/27886661/bacterial-diversity-shift-determined-by-different-diets-in-the-gut-of-the-spotted-wing-fly-drosophila-suzukii-is-primarily-reflected-on-acetic-acid-bacteria
#17
Violetta Vacchini, Elena Gonella, Elena Crotti, Erica M Prosdocimi, Fabio Mazzetto, Bessem Chouaia, Matteo Callegari, Francesca Mapelli, Mauro Mandrioli, Alberto Alma, Daniele Daffonchio
The pivotal role of diet in shaping gut microbiota has been evaluated in different animal models, including insects. Drosophila flies harbour an inconstant microbiota among which acetic acid bacteria (AAB) are important components. Here, we investigated the bacterial and AAB components of the invasive pest Drosophila suzukii microbiota, by studying the same insect population separately grown on fruit-based or non-fruit artificial diet. AAB were highly prevalent in the gut under both diets (90 and 92% infection rates with fruits and artificial diet, respectively)...
November 25, 2016: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/27882567/autoantibodies-directed-against-the-endothelin-a-receptor-in-patients-with-benign-prostatic-hyperplasia
#18
Gerd Wallukat, Burkhard Jandrig, Rudolf Kunze, Johann J Wendler, Johannes Müller, Martin Schostak, Ingolf Schimke
BACKGROUND: Over-stimulation of G-protein coupled receptors (GPCRs) such as α1-adrenergic, muscarinic, endothelin, and AT1 receptors is considered to drive benign prostatic hyperplasia (BHP) which is often associated with lower urinary tract syndrome (LUTS). However, in addition to physiologic GPCR ligands, there is a new class of autoantibodies called functional autoantibodies that target the same GPCRs (GPCR-AABs) for over-stimulation, thus, presenting pathogenic potency. We hypothesize that patients with BPH/LUTS could carry GPCR-AABs representing potential targets for treatment...
November 24, 2016: Prostate
https://www.readbyqxmd.com/read/27870985/effect-of-ammonium-and-amino-acids-on-the-growth-of-selected-strains-of-gluconobacter-and-acetobacter
#19
F Sainz, A Mas, M J Torija
Acetic acid bacteria (AAB) are a group of microorganisms highly used in the food industry. However, its use can be limited by the insufficient information known about the nutritional requirements of AAB for optimal growth. The aim of this work was to study the effects of different concentrations and sources of nitrogen on the growth of selected AAB strains and to establish which nitrogen source best encouraged their growth. Two strains of three species of AAB, Gluconobacter japonicus, Gluconobacter oxydans and Acetobacter malorum, were grown in three different media with diverse nitrogen concentrations (25, 50, 100, and 300mgN/L and 1gN/L) as a complete solution of amino acids and ammonium...
February 2, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27858429/testing-hadronic-interactions-at-ultrahigh-energies-with-air-showers-measured-by-the-pierre-auger-observatory
#20
A Aab, P Abreu, M Aglietta, E J Ahn, I Al Samarai, I F M Albuquerque, I Allekotte, J D Allen, P Allison, A Almela, J Alvarez Castillo, J Alvarez-Muñiz, M Ambrosio, G A Anastasi, L Anchordoqui, B Andrada, S Andringa, C Aramo, F Arqueros, N Arsene, H Asorey, P Assis, J Aublin, G Avila, A M Badescu, C Baus, J J Beatty, K H Becker, J A Bellido, C Berat, M E Bertaina, X Bertou, P L Biermann, P Billoir, J Biteau, S G Blaess, A Blanco, J Blazek, C Bleve, H Blümer, M Boháčová, D Boncioli, C Bonifazi, N Borodai, A M Botti, J Brack, I Brancus, T Bretz, A Bridgeman, F L Briechle, P Buchholz, A Bueno, S Buitink, M Buscemi, K S Caballero-Mora, B Caccianiga, L Caccianiga, A Cancio, F Canfora, L Caramete, R Caruso, A Castellina, G Cataldi, L Cazon, R Cester, A G Chavez, A Chiavassa, J A Chinellato, J C Chirinos Diaz, J Chudoba, R W Clay, R Colalillo, A Coleman, L Collica, M R Coluccia, R Conceição, F Contreras, M J Cooper, S Coutu, C E Covault, J Cronin, R Dallier, S D'Amico, B Daniel, S Dasso, K Daumiller, B R Dawson, R M de Almeida, S J de Jong, G De Mauro, J R T de Mello Neto, I De Mitri, J de Oliveira, V de Souza, J Debatin, L Del Peral, O Deligny, N Dhital, C Di Giulio, A Di Matteo, M L Díaz Castro, F Diogo, C Dobrigkeit, J C D'Olivo, A Dorofeev, R C Dos Anjos, M T Dova, A Dundovic, J Ebr, R Engel, M Erdmann, M Erfani, C O Escobar, J Espadanal, A Etchegoyen, H Falcke, K Fang, G R Farrar, A C Fauth, N Fazzini, A P Ferguson, B Fick, J M Figueira, A Filevich, A Filipčič, O Fratu, M M Freire, T Fujii, A Fuster, F Gallo, B García, D Garcia-Pinto, F Gate, H Gemmeke, A Gherghel-Lascu, P L Ghia, U Giaccari, M Giammarchi, M Giller, D Głas, C Glaser, H Glass, G Golup, M Gómez Berisso, P F Gómez Vitale, N González, B Gookin, J Gordon, A Gorgi, P Gorham, P Gouffon, N Griffith, A F Grillo, T D Grubb, F Guarino, G P Guedes, M R Hampel, P Hansen, D Harari, T A Harrison, J L Harton, Q Hasankiadeh, A Haungs, T Hebbeker, D Heck, P Heimann, A E Herve, G C Hill, C Hojvat, N Hollon, E Holt, P Homola, J R Hörandel, P Horvath, M Hrabovský, T Huege, J Hulsman, A Insolia, P G Isar, I Jandt, S Jansen, C Jarne, J A Johnsen, M Josebachuili, A Kääpä, O Kambeitz, K H Kampert, P Kasper, I Katkov, B Keilhauer, E Kemp, R M Kieckhafer, H O Klages, M Kleifges, J Kleinfeller, R Krause, N Krohm, D Kuempel, G Kukec Mezek, N Kunka, A Kuotb Awad, D LaHurd, L Latronico, M Lauscher, P Lautridou, P Lebrun, R Legumina, M A Leigui de Oliveira, A Letessier-Selvon, I Lhenry-Yvon, K Link, L Lopes, R López, A López Casado, A Lucero, M Malacari, M Mallamaci, D Mandat, P Mantsch, A G Mariazzi, V Marin, I C Mariş, G Marsella, D Martello, H Martinez, O Martínez Bravo, J J Masías Meza, H J Mathes, S Mathys, J Matthews, J A J Matthews, G Matthiae, D Maurizio, E Mayotte, P O Mazur, C Medina, G Medina-Tanco, V B B Mello, D Melo, A Menshikov, S Messina, M I Micheletti, L Middendorf, I A Minaya, L Miramonti, B Mitrica, L Molina-Bueno, S Mollerach, F Montanet, C Morello, M Mostafá, C A Moura, G Müller, M A Muller, S Müller, I Naranjo, S Navas, P Necesal, L Nellen, A Nelles, J Neuser, P H Nguyen, M Niculescu-Oglinzanu, M Niechciol, L Niemietz, T Niggemann, D Nitz, D Nosek, V Novotny, H Nožka, L A Núñez, L Ochilo, F Oikonomou, A Olinto, D Pakk Selmi-Dei, M Palatka, J Pallotta, P Papenbreer, G Parente, A Parra, T Paul, M Pech, F Pedreira, J Pękala, R Pelayo, J Peña-Rodriguez, I M Pepe, L A S Pereira, L Perrone, E Petermann, C Peters, S Petrera, J Phuntsok, R Piegaia, T Pierog, P Pieroni, M Pimenta, V Pirronello, M Platino, M Plum, C Porowski, R R Prado, P Privitera, M Prouza, E J Quel, S Querchfeld, S Quinn, J Rautenberg, O Ravel, D Ravignani, B Revenu, J Ridky, M Risse, P Ristori, V Rizi, W Rodrigues de Carvalho, J Rodriguez Rojo, M D Rodríguez-Frías, D Rogozin, J Rosado, M Roth, E Roulet, A C Rovero, S J Saffi, A Saftoiu, H Salazar, A Saleh, F Salesa Greus, G Salina, J D Sanabria Gomez, F Sánchez, P Sanchez-Lucas, E M Santos, E Santos, F Sarazin, B Sarkar, R Sarmento, C Sarmiento-Cano, R Sato, C Scarso, M Schauer, V Scherini, H Schieler, D Schmidt, O Scholten, H Schoorlemmer, P Schovánek, F G Schröder, A Schulz, J Schulz, J Schumacher, S J Sciutto, A Segreto, M Settimo, A Shadkam, R C Shellard, G Sigl, O Sima, A Śmiałkowski, R Šmída, G R Snow, P Sommers, S Sonntag, J Sorokin, R Squartini, D Stanca, S Stanič, J Stapleton, J Stasielak, F Strafella, A Stutz, F Suarez, M Suarez Durán, T Sudholz, T Suomijärvi, A D Supanitsky, M S Sutherland, J Swain, Z Szadkowski, O A Taborda, A Tapia, A Tepe, V M Theodoro, C Timmermans, C J Todero Peixoto, L Tomankova, B Tomé, A Tonachini, G Torralba Elipe, D Torres Machado, P Travnicek, M Trini, R Ulrich, M Unger, M Urban, A Valbuena-Delgado, J F Valdés Galicia, I Valiño, L Valore, G van Aar, P van Bodegom, A M van den Berg, A van Vliet, E Varela, B Vargas Cárdenas, G Varner, J R Vázquez, R A Vázquez, D Veberič, V Verzi, J Vicha, M Videla, L Villaseñor, S Vorobiov, H Wahlberg, O Wainberg, D Walz, A A Watson, M Weber, A Weindl, L Wiencke, H Wilczyński, T Winchen, D Wittkowski, B Wundheiler, S Wykes, L Yang, T Yapici, D Yelos, E Zas, D Zavrtanik, M Zavrtanik, A Zepeda, B Zimmermann, M Ziolkowski, Z Zong, F Zuccarello
Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic interaction models without relying on the absolute energy calibration, and apply it to events with primary energy 6-16 EeV (E_{CM}=110-170  TeV), whose longitudinal development and lateral distribution were simultaneously measured by the Pierre Auger Observatory. The average hadronic shower is 1.33±0.16 (1.61±0.21) times larger than predicted using the leading LHC-tuned models EPOS-LHC (QGSJetII-04), with a corresponding excess of muons...
November 4, 2016: Physical Review Letters
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