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Virulence

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https://www.readbyqxmd.com/read/28430538/biophysical-comparison-of-diphtheria-and-tetanus-toxins-with-the-formaldehyde-detoxified-toxoids-the-main-components-of-diphtheria-and-tetanus-vaccines
#1
Husam Alsarraf, Emil Dedic, Morten J Bjerrum, Ole Østergaard, Max Per Kristensen, Jesper W Petersen, René Jørgensen
No abstract text is available yet for this article.
April 21, 2017: Virulence
https://www.readbyqxmd.com/read/28422568/cgas-sting-tbk1-irf3-7-induced-interferon-%C3%AE-contributes-to-the-clearing-of-non-tuberculous-mycobacterial-infection-in-mice
#2
Nanthapon Ruangkiattikul, Andreas Nerlich, Ketema Abdissa, Stefan Lienenklaus, Abdulhadi Suwandi, Nina Janze, Kristin Laarmann, Julia Spanier, Ulrich Kalinke, Siegfried Weiss, Ralph Goethe
Type I interferons (IFN-I), such as IFN-α and IFN-β are important messengers in the host response against bacterial infections. Knowledge about the role of IFN-I in infections by nontuberculous mycobacteria (NTM) is limited. Here we show that macrophages infected with pathogens of the Mycobacterium avium complex produced significantly lower amounts of IFN-β than macrophages infected with the opportunistic pathogen M. smegmatis. To dissect the molecular mechanisms of this phenomenon, we focussed on the obligate pathogen Mycobacterium avium ssp...
April 19, 2017: Virulence
https://www.readbyqxmd.com/read/28418759/virulence-profiles-swaine-chen
#3
Swaine Chen
No abstract text is available yet for this article.
April 18, 2017: Virulence
https://www.readbyqxmd.com/read/28414615/virulence-profile-juliana-campos-junqueira
#4
Juliana Campos Junqueira
No abstract text is available yet for this article.
April 17, 2017: Virulence
https://www.readbyqxmd.com/read/28402724/carbapenem-resistant-enterobacteriaceae-what-we-know-and-what-we-need-to-know
#5
David van Duin
No abstract text is available yet for this article.
April 12, 2017: Virulence
https://www.readbyqxmd.com/read/28402705/interaction-of-factor-h-binding-protein-of-streptococcus-suis-with-globotriaosylceramide-promotes-the-development-of-meningitis
#6
Decong Kong, Zhe Chen, Junping Wang, Qingyu Lv, Hua Jiang, Yuling Zheng, Maokai Xu, Xuyu Zhou, Huaijie Hao, Yongqiang Jiang
Streptococcus suis is an important emerging zoonotic agent that causes acute bacterial meningitis in humans with high mortality and morbidity. Our previous work showed that factor H-binding protein (Fhb) contributed to virulence of S. suis, but the role of Fhb in the development of S. suis meningitis remained unclear. In this study, we demonstrated for the first time that Fhb contributed to the traversal of S. suis across the human blood-brain barrier by allelic-exchange mutagenesis, complementation and specific antibody blocking studies...
April 12, 2017: Virulence
https://www.readbyqxmd.com/read/28402698/hypervirulence-and-hypermucoviscosity-two-different-but-complementary-klebsiella-spp-phenotypes
#7
Juan Carlos Catalán-Nájera, Ulises Garza-Ramos, Humberto Barrios-Camacho
Since the hypermucoviscous variants of Klebsiella pneumoniae were first reported, many cases of primary liver abscesses and other invasive infections caused by this pathogen have been described worldwide. Hypermucoviscosity is a phenotypic feature characterized by the formation of a viscous filament ≥5 mm when a bacterial colony is stretched by a bacteriological loop; this is the so-called positive string test. Hypermucoviscosity appears to be associated with this unusual and aggressive type of infection, and therefore, the causal strains are considered hypervirulent...
April 12, 2017: Virulence
https://www.readbyqxmd.com/read/28375793/adiponectin-serum-level-changes-and-its-dynamic-relationship-with-hepatitis-c-during-viral-clearance
#8
Ludovico Abenavoli, Luigi Boccuto
Recent evidences suggest that adiponectin is a multifunctional hormone, inversely associated with cardiovascular risk factors, such as blood pressure, low-density lipoprotein cholesterol and triglycerides levels. Literature data are conflicting on the serum adiponectin levels in chronic hepatitis C patients. Here we analyze the interesting study of Chang and co-workers, on the dynamic relationship between adiponectin levels and insulin resistance, in chronic hepatitis C patients during viral clearance.
April 4, 2017: Virulence
https://www.readbyqxmd.com/read/28362547/acute-and-chronic-disease-caused-by-enteroviruses
#9
Julian W Tang, Christopher W Holmes
No abstract text is available yet for this article.
March 31, 2017: Virulence
https://www.readbyqxmd.com/read/28362221/the-non-conserved-region-of-mrp-is-involved-in-the-virulence-of-streptococcus-suis-serotype-2
#10
Quan Li, Yang Fu, Caifeng Ma, Yanan He, Yanfei Yu, Dechao Du, Huochun Yao, Chengping Lu, Wei Zhang
Muramidase-released protein (MRP) of Streptococcus suis serotype 2 (SS2) is an important epidemic virulence marker with an unclear role in bacterial infection. To investigate the biological functions of MRP, three mutants named Δmrp, Δmrp domain 1 (Δmrp-d1), and Δmrp domain 2 (Δmrp-d2) were constructed to assess the phenotypic changes between the parental strain and the mutant strains. The results indicated that MRP domain 1 (MRP-D1, the non-conserved region of MRP from a virulent strain, a.a. 242-596) played a critical role in adherence of SS2 to host cells, compared with MRP domain 1* (MRP-D1*, the non-conserved region of MRP from a low virulent strain, a...
March 31, 2017: Virulence
https://www.readbyqxmd.com/read/28362216/strategies-for-combating-bacterial-biofilms-a-focus-on-anti-biofilm-agents-and-their-mechanisms-of-action
#11
Ranita Roy, Monalisa Tiwari, Gianfranco Donelli, Vishvanath Tiwari
Biofilm refers to the complex, sessile communities of microbes found either attached to a surface or buried firmly in an extracellular matrix as aggregates. The biofilm matrix surrounding bacteria makes them tolerant to harsh conditions and resistant to antibacterial treatments. Moreover, the biofilms are responsible for causing a broad range of chronic diseases and due to the emergence of antibiotic resistance in bacteria it has really become difficult to treat them with efficacy. Furthermore, the antibiotics available till date are ineffective for treating these biofilm related infections due to their higher values of minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC), which may result in in-vivo toxicity...
March 31, 2017: Virulence
https://www.readbyqxmd.com/read/28350196/geriatric-hiv-medicine-a-science-in-its-infancy
#12
Giovanni Guaraldi, Andrea Cossarizza
No abstract text is available yet for this article.
March 28, 2017: Virulence
https://www.readbyqxmd.com/read/28328284/non-encapsulated-streptococcus-pneumoniae-vaccination-as-a-measure-to-interfere-with-horizontal-gene-transfer
#13
J D Langereis, M I de Jonge
No abstract text is available yet for this article.
March 22, 2017: Virulence
https://www.readbyqxmd.com/read/28324675/arterial-stiffness-in-hiv-infected-youth-and-associations-with-hiv-related-variables
#14
Allison Ross Eckard, Paolo Raggi, Joshua H Ruff, Mary Ann O'Riordan, Julia C Rosebush, Danielle Labbato, Julie E Daniels, Monika Uribe-Leitz, Christopher T Longenecker, Grace A McComsey
Children and young adults infected with HIV are at elevated risk for cardiovascular disease (CVD). However, scarce data exist on the utility of non-invasive methods to diagnose subclinical CVD, such as pulse wave velocity (PWV), a non-invasive measure of arterial stiffness. The objectives of this study were to assess the relationship of carotid-femoral PWV with subclinical atherosclerosis measured by carotid intima-media thickness (IMT), compare measurements to healthy controls, and evaluate variables associated with PWV in HIV-infected youth...
March 21, 2017: Virulence
https://www.readbyqxmd.com/read/28323523/rapid-dna-vaccination-against-burkholderia-pseudomallei-flagellin-by-tattoo-or-intranasal-application
#15
Jacqueline M Lankelma, Alex Wagemakers, Emma Birnie, Bastiaan W Haak, Jos J A Trentelman, Tassili A F Weehuizen, Jasmin Ersöz, Joris J T H Roelofs, Joppe W Hovius, W Joost Wiersinga, Adriaan D Bins
Melioidosis is a severe infectious disease with a high mortality that is endemic in South-East Asia and Northern Australia. The causative pathogen, Burkholderia pseudomallei, is listed as potential bioterror weapon due to its high virulence and potential for easy dissemination. Currently, there is no licensed vaccine for prevention of melioidosis. Here, we explore the use of rapid plasmid DNA vaccination against B. pseudomallei flagellin for protection against respiratory challenge. We tested three flagellin DNA vaccines with different subcellular targeting designs...
March 21, 2017: Virulence
https://www.readbyqxmd.com/read/28306387/help-is-on-the-way-monoclonal-antibody-therapy-for-multi-drug-resistant-bacteria
#16
Rachelle Babb, Liise-Anne Pirofski
No abstract text is available yet for this article.
March 17, 2017: Virulence
https://www.readbyqxmd.com/read/28296562/immunomodulatory-yersinia-outer-proteins-yops-useful-tools-for-bacteria-and-humans-alike
#17
Benjamin Grabowski, M Alexander Schmidt, Christian Rüter
Human-pathogenic Yersinia produce plasmid-encoded Yersinia outer proteins (Yops), which are necessary to down-regulate anti-bacterial responses that constrict bacterial survival in the host. These Yops are effectively translocated directly from the bacterial into the target cell cytosol by the type III secretion system (T3SS). Cell-penetrating peptides (CPPs) in contrast are characterized by their ability to autonomously cross cell membranes and to transport cargo - independent of additional translocation systems...
March 15, 2017: Virulence
https://www.readbyqxmd.com/read/28287893/aging-metabolism-intervention-strategies
#18
Esteban Martinez
Human beings are subjected to aging and age-associated diseases. Life expectancy has improved impressively in the last century due to social and economic development, but despite increasing improvement is still more limited than average in those ones with chronic diseases such as treated HIV infection. There has been a substantial research on the underlying factors responsible for aging both in the general and the HIV-infected populations. Several specific targets for potential intervention have been identified but studies so far have been limited to small experiments in cultured cells or living beings other than humans such as mice or flies...
March 13, 2017: Virulence
https://www.readbyqxmd.com/read/28281892/self-defense-against-bacillus-anthracis-toxins-is-p-selectin-the-key
#19
John D Campbell
No abstract text is available yet for this article.
March 10, 2017: Virulence
https://www.readbyqxmd.com/read/28267417/staphylococcus-aureus-toxin-antibodies-good-companions-of-antibiotics-and-vaccines
#20
Fabio Bagnoli
No abstract text is available yet for this article.
March 7, 2017: Virulence
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