نتایج جستجو برای: 375
تعداد نتایج: 6827 فیلتر نتایج به سال:
results following ectopic expression of mir-375, sox2ot and sox2 expression analysis revealed a significant decrease in their expression level (p < 0.05) in nt-2 cells compared to the control. cell cycle analysis following ectopic expression of mir-375 in the nt-2 cells using propidium iodine staining revealed significant extension in sub-g1 cell cycle. conclusions this is the first report to s...
The human immunodeficiency virus type 1 (HIV-1) gp120 exterior envelope glycoprotein is conformationally flexible. Upon binding to the host cell receptor CD4, gp120 assumes a conformation that is recognized by the second receptor, CCR5 and/or CXCR4, and by the CD4-induced (CD4i) antibodies. Guided by the X-ray crystal structure of a gp120-CD4-CD4i antibody complex, we introduced changes into gp...
In this study we demonstrated that the vaccine candidate against avian influenza virus H5N1 based on the hemagglutinin H5 (HA) fused to the chicken CD154 (HACD) can also be used for differentiating infected from vaccinated animals (DIVA). As the strategy of DIVA requires at least two proteins, we obtained a variant of the nucleoprotein (NP49-375) in E. coli. After its purification by IMAC, the ...
BACKGROUND A variant (rs1495741) in the gene for the N-acetyltransferase 2 (NAT2) protein is associated with skin intrinsic fluorescence (SIF), a noninvasive measure of advanced glycation end products and other fluorophores in the skin. Because NAT2 is involved in caffeine metabolism, we aimed to determine whether caffeine consumption is associated with SIF and whether rs1495741 is associated w...
A double-masked study was conducted to determine the efficacy and safety of randomly allocated chenodiol (chenodeoxycholic acid, 750 mg/d or 350 mg/d) or placebo administered for 2 years to 916 patients for dissolution of radiolucent gallstones. There was confirmed complete dissolution in 13.5% of patients (750 mg/d), 5.2% (375 mg/d), and 0.8% (placebo), p less than 0.0001. Partial (over 50%) o...
We have selected an HXB2 variant which can replicate in the presence of a neutralizing human serum. Sequencing of the gp120 region of the env gene from the variant and parental viruses identified a single amino acid substitution in the third conserved region of gp120 at residue 375 (AGT-->AAT, Ser-->Asn; designated 375 S/N). The escape mutant was found to be resistant to neutralization by solub...
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