نتایج جستجو برای: ha1
تعداد نتایج: 489 فیلتر نتایج به سال:
In an open label clinical study (2007), MF59-adjuvanted hemagglutinin (HA) vaccine from H5N1-A/Vietnam/1194/2004 (clade 1) was administered to subjects previously vaccinated (primed) with clade 0 H5N3 (A/duck/Singapore/97) vaccine at least 6 years earlier (in 1999 or 2001). The primed individuals responded rapidly and generated high neutralizing antibody titers against the H5N1-Vietnam strain w...
ویروس آنفلوآنزا که عامل مولد یکی از بیماریهای حاد تنفسی می باشد در غشا خود واجد گلیکوپروتئین مهمی به نام همآگلوتینین است. این مولکول ضمن اینکه اصلی ترین آنتی ژن برای القا پاسخ ایمنی بر علیه ویروس است، همواره به عنوان مدل ایده آلی برای مطالعه فرآیندهای بیولوژیکی مهم از جمله گلیکوزیلاسیون مورد استفاده قرار گرفته است. گلیکوزیلاسیون ( به ویژه از نوع n) متداولترین تغییر ضمن یا پس از ترجمه ای پروتئین...
Genomic instability and catalase gene amplification induced by chronic exposure to oxidative stress.
Chronic exposure (>200 days) of HA1 fibroblasts to increasing concentrations of H2O2 or O2 results in the development of a stable oxidative stress-resistant phenotype characterized by increased cellular antioxidant levels, particularly catalase (D. R. Spitz et al, Arch. Biochem. Biophys., 279: 249-260, 1990; D. R. Spitz et al., Arch. Biochem. Biophys., 292: 221-227, 1992; S. J. Sullivan et al.,...
Using bioactive and biocompatible coatings to biofunctionalized metallic implant surfaces for enhanced bone regeneration while resisting bacterial infection has attracted materials scientists' interest. Bio-metallic Ti-25Zr disc sample was prepared using powder metallurgy then coated an electrospinning method form a nanocomposite fiber as coating layer over the surface of metal alloy substrate....
An H9N2 virus lethal to chickens was isolated from an acutely ill chicken flock in 2012. Phylogenetic analyses indicated that this virus was phylogenetically related to the Y280 lineage. Sequence analysis showed 1 amino acid deletion in HA1 and 3 amino acid deletions in the NA stalk region.
Contaminations of the population lens and transient absorption in thc obsened thermal lens signal sometimes cause a misinterpretation of the signal. Rcccntly, we ha1.c developed several methods to evaluate the relative contributions of these components in thc observed thermal lens signal. These methods with reccnt results are sumtnarizcd, and mcrits and limitations of each method are discussed.
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