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تعداد نتایج: 909 فیلتر نتایج به سال:
b-Blockers are widely used for hypertension treatment but must be taken daily. We have developed a novel b-blocker by targeting b1-adrenergic receptor (b1-AR) mRNA with antisense oligodeoxynucleotides (b1-ASODN). A single intravenous injection of b1-AS-ODN significantly reduced cardiac contractility and blood pressure (3865 mm Hg, P,0.05) in spontaneously hypertensive rats for 3 weeks. In the p...
BACKGROUND We previously showed that the levels of both Giα-2 and Giα-3 proteins were augmented in spontaneously hypertensive rats (SHRs) before the onset of hypertension. In addition, intraperitoneal injection of pertussis toxin, which inactivates both Giα proteins, prevented the development of hypertension in SHRs. The aim of the present study was to determine the specific contributions of Gi...
انتقال ژن به واسطه اسپرم به منظور تولید حیوانات ترانس ژن اسنفاده شده است. میزان موفقیت متفاوتی در تولید حیوانات ترانس ژن در مطالعات متغدد گزارش شده است. عدم موفقیت در انجام این روش عمدتا مربوط به میزان پایداری ژن های انتقال داده شده می باشد. سایر مشکلاتی که ممکن است در عدم موفقیت این روش نقش داشته باشد احتمالا به آسیب های بیضه در زمان ترانسفکشن مربوط می شود. در مطالعه حاضر پایداری بیان وکتورpir...
Previously, we developed a novel siRNA transfer method to the liver by sequential intravenous injection of poly-L-glutamic acid (PGA) and cationic liposome/siRNA complex (cationic lipoplex). In this study, we examined the effects of the charge ratio (+/−) of cationic liposome/siRNA, molecular weight of PGA and cationic lipid of cationic liposome on the biodistribution of siRNA after sequential ...
The DOPE project (Drug Ontology Project for Elsevier) is driven by the need to access multiple information sources through a single interface. In this paper, we describe how DOPE allows thesaurus-driven access to heterogeneous and distributed data, based on the RDF data model. The architecture allows for the easy addition of thesauri and data sources, and can facilitate explorations in ontology...
objective(s): although several chemical and physical methods for gene delivery have been introduced, their cytotoxicity, non-specific immune responses and the lack of biodegradability remain the main issues. in this study, hydroxyapatite nanoparticles (nps) and 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (dope)-modified hydroxyapatite nps was coated with antisense oligonucleotide of e6 mrna...
We calculate the long-range perturbation to the electronic charge density of carbon nanotubes (CNTs) as a result of the physisorption of a water molecule. We find that the dominant effect is a charge redistribution in the CNT due to polarisation caused by the dipole moment of the water molecule. The charge redistribution is found to occur over a length-scale greater than 30 Å, highlighting the ...
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