نتایج جستجو برای: pki
تعداد نتایج: 1556 فیلتر نتایج به سال:
The digital signature is a key technology in the forthcoming Internet society for electronic healthcare as well as for electronic commerce. Efficient exchanges of authorized information with a digital signature in healthcare information networks require a construction of a public key infrastructure (PKI). In order to introduce a PKI to healthcare information networks in Japan, we proposed a dev...
Although combined chemoradiotherapy has provided considerable improvements for nasopharyngeal carcinoma (NPC), recurrence and metastasis are still frequent. The PI3K/Akt/mTOR pathway plays a critical role in tumor formation and tumor cell survival after radiation-induced DNA damage. In the present study, we evaluated whether inhibition of PI3K/mTOR by two novel dual inhibitors, GSK2126458 and P...
We investigated the hypothesis that cAMP-dependent protein kinase (PKA) protects against endothelial barrier dysfunction in response to proinflammatory mediators. An E1-, E3-, replication-deficient adenovirus (Ad) vector was constructed containing the complete sequence of PKA inhibitor ( PKI) gene (AdPKI). Infection of human microvascular endothelial cells (HMEC) with AdPKI resulted in overexpr...
Insights into Factorless Translational Initiation by the tRNA-Like Pseudoknot Domain of a Viral IRES
The intergenic region internal ribosome entry site (IGR IRES) of the Dicistroviridae family adopts an overlapping triple pseudoknot structure to directly recruit the 80S ribosome in the absence of initiation factors. The pseudoknot I (PKI) domain of the IRES mimics a tRNA-like codon:anticodon interaction in the ribosomal P site to direct translation initiation from a non-AUG initiation codon in...
A novel perichromosomal protein, which we have named chmadrin, was identified from rat kangaroo PtK2 cells. The deduced amino acid sequence revealed structural homologies in several limited regions to the Ki-67 antigen (pKi-67). The subcellular localization of chmadrin was found to be similar to that of pKi-67 throughout the cell cycle, that is, predominantly nucleolar during interphase and per...
Insertion of a crude preparation of cyclic AMP (cAMP)-dependent protein kinase inhibitor (PKI) into a cloned mouse anterior pituitary cell line (AtT-20/D16-16) blocked cAMP-mediated hormone release. This was accomplished by developing a technique to incorporate PKI into multicellular cultures. The technique involved the encapsulation of the PKI into liposomes coupled to Protein A (a bacterial p...
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