نتایج جستجو برای: over expression
تعداد نتایج: 1958911 فیلتر نتایج به سال:
in order to study the periplasmic expression of human growth hormone (hgh) in escherichia coli, the related cdna was inserted in two expression plasmids carrying pelb signal peptide, one with lac bacterial promoter and the other with a bacteriophage t7-based promoter. the recombinant plasmids were moved to tg1 and bl21 strains of e. coli, respectively. to induce the expression systems, iptg and...
Background: TRR14 protein is a small member of a multi-gene family in Arabidopsis and is the first ones found during screening of seedlings for their resistant to the trehalose sugar.Objectives: Characterization ofTRR14 over-expressed plants with respect to morphological changes, growth and photosynthesis related parameters.Materials and methods: TRR14gene was isolated from Arabidop...
background: mesenchymal stem cells (mscs) are ideal cells for cell and gene therapy. however, the low survival of mscs after transplantation has limited their applications. we aimed to evaluate the expression of cytoprotective genes including nqo1, txnrd1, ho-1, gclc following the over expression of nrf2 in umbilical cord-derived mscs (uc-mscs). methods: 3-5 passages of uc-mscs were cultured. r...
gastric adenocarcinoma is the second leading cause of death due to cancer in the world and in advanced stages the prognosis is poor with current therapies. over-expression of her-2/neu has been seen in several cancers such as gastric cancer and its expression is associated with poor prognosis. the aim of this study is to evaluate the over-expression of her-2/neu in gastric biopsy samples of pat...
the objective of this research was to investigate the influence of the over-expression of recombinant interferon-g during high cell density cultivation on cellular characteristics of recombinant e. coli. batch and fed-batch culture techniques were employed to grow escherichia coli bl21 for production of human gamma-interferon in pet expression system. final cell densities in batch and fed-batch...
Gastric adenocarcinoma is the second leading cause of death due to cancer in the world and in advanced stages the prognosis is poor with current therapies. Over-expression of HER-2/neu has been seen in several cancers such as gastric cancer and its expression is associated with poor prognosis. The aim of this study is to evaluate the over-expression of HER-2/neu in gastric biopsy samples of pat...
Background: Mesenchymal stem cells (MSCs) are ideal cells for cell and gene therapy. However, the low survival of MSCs after transplantation has limited their applications. We aimed to evaluate the expression of cytoprotective genes including NQO1, TXNRD1, HO-1, GCLC following the over expression of Nrf2 in umbilical cord-derived MSCs (UC-MSCs). Methods: 3-5 passages of UC-MSCs were cultured. ...
چکیده ندارد.
Background and Aims: Influenza A virus of Orthomyxoviridae family is able to create pandemic influenza. Vaccination is the most effective way to prevent influenza virus infection. Matrix protein 2 (M2) is a homotetramer ion channel with 97 amino acids length and highly conserved among influenza viruses and is considered for development of a universal influenza vaccine. Materials and Methods: We...
we studied the expression of human growth hormone (hgh) in e. coli under a bacteriophage t5-base promoter in a pqe30 expression vector. for an efficient expression of hgh cdna, a number of codons at the hgh n-terminal coding region were altered based on the e. coli major codons. an over-expression of hgh in the bacteria, carrying the recombinant plasmids, was observed at 37°c in the presence of...
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