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  • Blackwell Science Ltd  (9,120)
  • 2005-2009  (9,120)
  • 1945-1949
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Intranasal CpG-Oligodeoxynucleotide is a Potent Adjuvant of Vaccine against Helicobacter pylori, and T Helper 1 Type Response and Interferon-γ Correlate with the Protection (2005)
    Oxford, UK : Blackwell Science Ltd
    Helicobacter 10 (2005), S. 0 
    Details
    ISSN: 1523-5378
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background.  Although a series of vaccines against Helicobacter pylori have emerged in the past 10 years, the mechanism involved in their protective effect is yet to be elucidated, and more effective vaccine adjuvants remain to be developed. In this study, CpG-oligodeoxynucleotide (CpG-ODN) was investigated as a new candidate for a H. pylori vaccine adjuvant. Furthermore, the role of T helper 1 (Th1) type response and interferon (IFN)-γ in the protective immunity was explored.Methods.  C57BL/6 mice and IFN-γ knockout mice were intranasally or orally immunized with H. pylori whole cell sonicate (WCS)/CpG-ODN and challenged with different doses [5 × 108 and 5 × 106 colony-forming units (CFU)] of H. pylori. The protective effect was assessed as the percentage of noninfected mice. The responsive antibodies and cytokines were analyzed using an enzyme-linked immunosorbent assay (ELISA) and flow cytometry.Results.  The prevention rates against H. pylori infection in mice intranasally immunized with WCS plus CpG-ODN were dramatically higher than those in sham-immunized mice (70% vs. 0%, challenged with 5 × 108 CFU H. pylori; 90% vs. 20%, challenged with 5 × 106 CFU H. pylori). Significantly higher levels of immunoglobulin G2a (IgG2a) and IFN-γ were detected in the mice immunized with WCS/CpG than in sham-immunized controls. However, vaccination failed to effectively protect IFN-γ knockout mice challenged with H. pylori.Conclusions.  CpG-ODN given intranasally is a potent adjuvant for development of a H. pylori vaccine. Th1-type response and IFN-γ are involved in the protection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1523-5378.2005.00293.x
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  • 2
    Electronic Resource
    Electronic Resource
    Template DNA Ratio can Affect Detection by Genus-Specific PCR–Denaturing Gradient Gel Electrophoresis of Bacteria Present at Low Abundance in Mixed Populations (2005)
    Oxford, UK : Blackwell Science Ltd
    Helicobacter 10 (2005), S. 0 
    Details
    ISSN: 1523-5378
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The detection of Helicobacter species by genus-specific polymerase chain reaction–denaturing gradient gel electrophoresis (PCR-DGGE) was compared with that by species-specific PCR in murine intestinal samples. Results suggest that, in samples containing multiple Helicobacter species, genus-specific PCR-DGGE may fail to detect all Helicobacter species present and that this relates to the initial template DNA ratio.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1523-5378.2005.00294.x
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  • 3
    Electronic Resource
    Electronic Resource
    Treatment of Helicobacter pylori (2005)
    Oxford, UK : Blackwell Science Ltd
    Helicobacter 10 (2005), S. 0 
    Details
    ISSN: 1523-5378
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The efficacy of established Helicobacter pylori regimes needs to be reviewed. In view of drug resistance, side effects, and compliance and expense of therapy, treatment failure is increasing and second-line treatment strategies need to be developed. A simulation model suggested by the Cochrane review group showed that H. pylori eradication is cost-effective for duodenal and gastric ulcer long-term. The duration of eradication therapy continues to be controversial. In Europe and other parts of the world, 7-day triple regimes are used, whereas guidelines from the United States recommend 10–14 days of therapy. Antibiotic resistance is a major factor affecting the outcome of eradication therapy. New modified eradication regimes involve substitution of antibiotics used in conjunction with other drugs. The newer generation fluoroquinolones have shown some promise as part of an eradication regimen. Quadruple therapy (bismuth, proton pump inhibitor [PPI] and two antibiotics and sequential treatment [PPI with three antibiotics]) are promising first-line treatments. Novel agents have been tried, but with disappointing results. New drugs and administration forms have been reported but their efficacy needs confirmation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1523-5378.2005.00333.x
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  • 4
    Electronic Resource
    Electronic Resource
    Inflammation, Immunity, and Vaccines for Helicobacter Infection (2005)
    Oxford, UK : Blackwell Science Ltd
    Helicobacter 10 (2005), S. 0 
    Details
    ISSN: 1523-5378
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Pro-inflammatory cytokines such as IL-18, IFN-γ, and IL-1β play a significant role in the inflammation induced by Helicobacter. During the recent years of H. pylori research, the main focus has been on development of vaccines for therapeutic or prophylactic use against the infection. Both bacterial components of H. pylori as well as engineered vaccines have been tested as well as different forms of administration including systemic and oral/intranasal pathways.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1523-5378.2005.00337.x
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  • 5
    Electronic Resource
    Electronic Resource
    Diagnosis of Helicobacter pylori Infection (2005)
    Oxford, UK : Blackwell Science Ltd
    Helicobacter 10 (2005), S. 0 
    Details
    ISSN: 1523-5378
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A large number of studies on diagnostic tests have been published this year. New tests were proposed for the detection of Helicobacter pylori antigens in stools and new molecular methods (real-time polymerase chain reaction) to look for antimicrobial susceptibility. The other standard tests have been applied in different situations to improve the diagnosis of the infection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1523-5378.2005.00341.x
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  • 6
    Electronic Resource
    Electronic Resource
    Is There a Possible Relation Between Atrophic Gastritis and Premature Atherosclerosis? (2005)
    Oxford, UK : Blackwell Science Ltd
    Helicobacter 10 (2005), S. 0 
    Details
    ISSN: 1523-5378
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background.  In this study, we have aimed to show the possible relation between atrophic gastritis and premature atherosclerosis via hyperhomocysteinemia.Materials and Methods.  Thirty-four patients with atrophic gastritis were enrolled to the study. The control group consisted of 35 patients with non-atrophic gastritis. Classical cardiovascular disease risk factors did not significantly differ between atrophic gastritis and control subjects. The presence and degree of atrophic gastritis were assessed histologically and Helicobacter pylori infection was determined by both histologic and serologic methods. Body mass index was measured by standard technique blood fasting glucose, serum creatinine, total cholesterol, triglyceride, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, vitamin B12, folic acid, and homocysteine levels were measured by biochemical methods. Carotid intima-media thickness was measured by B-mode ultrasonography to examine the premature atherosclerosis.Results.  Plasma vitamin B12 levels were significantly lower (p = .00) and homocysteine levels were significantly higher (p = .01) in the atrophic gastritis group. There was no statistically significant difference in plasma folic acid levels between the two groups (p = .728). Carotid intima-media thickness was higher in the atrophic gastritis group than in the control group (0.516 mm versus 0.465 mm), but this difference did not show any statistical significance (p = .062).Conclusion.  Our results showed that atrophic gastritis may cause hyperhomocysteinemia, which is an independent risk factor for atherosclerosis and cardiovascular diseases. However, when compared with controls, carotid intima-media thickness of the atrophic gastritis patients was found to be higher but did not reach statistically significant levels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1523-5378.2005.00356.x
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  • 7
    Electronic Resource
    Electronic Resource
    Parameters of Care for the Specialty of Prosthodontics (2005)
    350 Main Street , Malden , MA 02148-5020 , USA , and PO Box 1354, 9600 Garsington Road , Oxford OX4 2XG , England . : Blackwell Science Ltd
    Journal of prosthodontics 14 (2005), S. 0 
    Details
    ISSN: 1532-849X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1532-849X.2005.046_2.x
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  • 8
    Electronic Resource
    Electronic Resource
    The Effect of Water Absorption on Acrylic Surface Properties (2005)
    350 Main Street , Malden , MA 02148-5020 , USA , and PO Box 1354, 9600 Garsington Road , Oxford OX4 2XG , England . : Blackwell Science Ltd
    Journal of prosthodontics 14 (2005), S. 0 
    Details
    ISSN: 1532-849X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Purpose: The aim of the present study was to determine whether an increased water content during thermal cycling of hot water-treated acrylic was associated with a reduction in surface hardness and an increased opacity or whitening of the surface. Materials and Methods: Ten acrylic samples were treated with 30 soak cycles (cycle duration, 24 hours), using warm water (40°C) and an alkaline peroxide tablet (Efferdent® control group); a further ten samples were treated with boiling water (100°C) and one Efferdent® tablet (experimental group). Indentation hardness of the acrylic specimens was measured prior to and immediately following the completion of the warm and hot water treatments, using an automated micro-indentation system. The hydrated acrylic specimens were then allowed to air dry at room temperature (20°C) and were weighed weekly until they had obtained a constant dry weight. The loss in weight of the acrylic specimens represented the maximum water absorption. Results: The hot water-treated specimens were much whiter than the warm water-treated specimens. The mean reduction in hardness (HIT) of the acrylic specimens following the treatment with hot water and alkaline peroxide tablet was 12.9%. Treatment with warm water and alkaline peroxide resulted in a slight increase in mean hardness (2.63%). There was a significant correlation between the water content of the acrylic specimens after treatment and the percentage of change in indentation hardness (r= 0.495, p= 0.026). Conclusions: The hot water treatment of the acrylic was associated with a significant reduction in hardness. We attribute the whitening and reduction in the hardness of the hot water-treated specimens to absorption of water and a disruption of the acrylic surface structure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1532-849X.2005.00050.x
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  • 9
    Electronic Resource
    Electronic Resource
    In Appreciation of Our Reviewers (2005)
    350 Main Street , Malden , MA 02148-5020 , USA , and PO Box 1354, 9600 Garsington Road , Oxford OX4 2XG , England . : Blackwell Science Ltd
    Journal of prosthodontics 14 (2005), S. 0 
    Details
    ISSN: 1532-849X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1532-849X.2005.00054.x
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  • 10
    Electronic Resource
    Electronic Resource
    Meetings of Interest (2005)
    350 Main Street , Malden , MA 02148-5020 , USA , and PO Box 1354, 9600 Garsington Road , Oxford OX4 2XG , England . : Blackwell Science Ltd
    Journal of prosthodontics 14 (2005), S. 0 
    Details
    ISSN: 1532-849X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1532-849X.2005.00056.x
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