Results 71 to 80 of about 428,880 (306)

QuilA-adjuvanted T. gondii lysate antigens trigger robust antibody and IFNγ+ T cell responses in pigs leading to reduction in parasite DNA in tissues upon challenge infection [PDF]

, 2019
Toxoplasma gondii is an intracellular parasite of all mammals and birds, responsible for toxoplasmosis. In healthy individuals T. gondii infections mostly remain asymptomatic, however this parasite causes severe morbidity and mortality in ...
Cox, Eric, Devriendt, Bert, Dierick, Katelijne, Dorny, Pierre, Gisbert Algaba, Ignacio, Rahman, Mizanur, Verhaegen, Bavo   +6 more
core   +2 more sources

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

FEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva, Ariann E. Mendoza‐Martínez, P. Abril Medina‐Flores, Carlos Campero‐Basaldua, Alexander DeLuna, Soledad Funes   +5 more
wiley   +1 more source

Shigella flexneriO-antigens revisited: final elucidation of the O-acetylation profiles and a survey of the O-antigen structure diversity [PDF]

FEMS Immunology & Medical Microbiology, 2012
Shigella flexneri is an important human pathogen causing shigellosis. Strains of S. flexneri are serologically heterogeneous and, based on O-antigens, are currently classified into 14 types. Structures of the O-antigens (O-polysaccharides) of S. flexneri have been under study since 1960s but some gaps still remained.
Andrei V, Perepelov, Maria E, Shekht, Bin, Liu, Sergei D, Shevelev, Vladimir A, Ledov, Sof'ya N, Senchenkova, Vyacheslav L, L'vov, Alexander S, Shashkov, Lu, Feng, Petr G, Aparin, Lei, Wang, Yuriy A, Knirel   +11 more
openaire   +2 more sources

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

The effects of Ostertagia occidentalis somatic antigens on ovine TLR2 and TLR4 expression

Iranian Journal of Parasitology, 2015
Background: Recognition of helminth-derived pathogen associated molecular patterns (PAMPs) by pattern recognition receptors (PRRs), including toll like recep­tors (TLRs) is the first step towards initiating anti–helminth immune re­sponses.
Hassan BORJI, Alireza HAGHPARAST, Nooshinmehr SOLEIMANI, Mohammad AZIZZADEH, Mohammad Hossein NAZEMSHIRAZI   +4 more
doaj  

Tau acetylation at K331 has limited impact on tau pathology in vivo

FEBS Letters, EarlyView.
We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto, Yukio Matsuba, Mika Takahashi, Takaomi C. Saido   +3 more
wiley   +1 more source

IgG Responses to Porins and Lipopolysaccharide within an Outer Membrane-Based Vaccine against Nontyphoidal Salmonella Develop at Discordant Rates

mBio, 2018
Antibodies acquired after vaccination or natural infection with Gram-negative bacteria, such as invasive Salmonella enterica serovar Typhimurium, can protect against disease.
Anna E. Schager, C. Coral Dominguez-Medina, Francesca Necchi, Francesca Micoli, Yun Shan Goh, Margaret Goodall, Adriana Flores-Langarica, Saeeda Bobat, Charlotte N. L. Cook, Melissa Arcuri, Arianna Marini, Lloyd D. W. King, Faye C. Morris, Graham Anderson, Kai-Michael Toellner, Ian R. Henderson, Constantino López-Macías, Calman A. MacLennan, Adam F. Cunningham   +18 more
doaj   +1 more source

Calpain small subunit homodimerization is robust and calcium‐independent

FEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy, Trina Dykstra‐MacPherson, Mathias A. Bell, Peter L. Davies, Ruby May A. Sullan   +4 more
wiley   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

FEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Reações locais e níveis de antitoxina circulante decorrentes de administração do toxóide tetânico: estudo comparativo entre Ped-o-Jet e seringa hipodérmica Local reactions and antitoxin levels induced by the administration of tetanus toxoid: a comparative study between Ped-o-Jet and hypodermic syringe

Revista de Saúde Pública, 1985
Com o objetivo de comparar reações locais e conversão sorológica apresentadas por adultos que receberam o toxóide tetânico através de Ped-o-Jet (via subcutânea) ou de seringa hipodérmica (via intramuscular), o toxóide foi administrado a 472 recrutas do ...
Ana Maria Aratangy Pluciennik, Edda de Rizzo, Hisako Gondo Higashi, Clarice Kazue Konishi, Edna Santos Freitas, Pedro Veneziani, Yiu Takabayashi, Elianne Egma Esteves da Silveira   +7 more
doaj   +1 more source