نتایج جستجو برای: two promoter vector
تعداد نتایج: 2651774 فیلتر نتایج به سال:
Hemophilia B is caused by the absence of functional coagulation factor IX (F.IX) and represents an important model for treatment of genetic diseases by gene therapy. Recent studies have shown that intramuscular injection of an adeno-associated viral (AAV) vector into mice and hemophilia B dogs results in vector dose-dependent, long-term expression of biologically active F.IX at therapeutic leve...
The efficient use of somatic cell nuclear transfer (SCNT), in conjunction with genetic modification of donor cells provides a general means to add or inactivate genes in mammals. This strategy has substantially improved the efficacy of producing genetically identical animals carrying mutant genes corresponding to specific human disorders. Lentiviral (LV) vectors have been shown to be well suite...
Background: ATP-binding cassette membrane transporter G2 (ABCG2) gene is one of transporter family and well characterized for their association with chemoresistance. Promoter methylation is a mechanism for regulation of gene expression. O6-Methyl guanine DNA methyl transferase (MGMT) gene plays a fundamental role in DNA repair. MGMT has the ability to remove alkyl adducts from DNA at the O6 pos...
Infectious Pancreatic Necrosis Virus (IPNV) is a member of the family Birnaviridae that has been linked to high mortalities in salmonids. Bacterial based systems as live vectors for the delivery of heterologous antigens offer a number of advantages as vaccination strategies. VP2 is a structural viral protein of IPNV with immunogenicity effects. In this study IPNV was isolated from diseased fry ...
Cloning Of Anopheles Gambiae CYP6M2 Gene Promoter And Construction Of Its Luciferase Reporter System
CYP6M2 is a Cytochrome P450 gene involved in the detoxification of multiple classes of public health insecticidesin the malaria mosquito Anopheles gambiae. Some P450 genes are known to be up regulatedby the transcription factorsCnCC/ Keap 1 and (ss)/ (Tgo) in Drosophilamelanogaster. Whether this regulatory mechanism is involved inthe regulation of P450s in Anopheles gambiae is yet to be identif...
BACKGROUND Antigen presentation by non professional antigen presenting cells (APC) can lead to anergy. In genetic vaccines, targeting the macrophages and APC for efficient antigen presentation might lead to balanced immune response. One such approach is to incorporate APC specific promoter in the vector to be used. METHODS Three promoters known to be active in macrophage were selected and clo...
An Escherichia coli-actinomycete shuttle vector, pCJW93, was constructed which places cloned genes under the control of the thiostrepton-inducible tip promoter from Streptomyces lividans. We also constructed expression vectors bearing the actII-ORF4/PactI activator-promoter system of the actinorhodin biosynthetic pathway of Streptomyces coelicolor. With both types of vector, levels of expressio...
RNA interference (RNAi) is a powerful method to generate loss-of-function phenotypes. Plasmid vectors with RNA polymerase III promoters have been developed to express short hairpin RNAs (shRNAs) in mammalian cells. In order to optimize the efficiency of these vectors in embryonic stem (ES) cells, we have constructed and tested several plasmids, based on the H1 promoter; that direct the expressi...
Cancer Targeting Gene-Viro-Therapy (CTGVT) is a promising cancer therapeutical strategy that strengthens the anti-tumour effect of oncolytic virus by expressing inserted foreign anti-tumour genes. In this work, we constructed a novel adenoviral vector controlled by the tumour-specific survivin promoter on the basis of the ZD55 vector, which is an E1B55KD gene deleted vector we previously constr...
Chromosome Conformation Capture (3C) technology was used to identify physical interactions between the proximal Wiskott-Aldrich Syndrome protein (WASp) promoter and its distant DNA segments in Jurkat-T cells. We found that two hematopoietic specific DNase I hypersensitive (DHS) sites (proximal DHS-A, and distal DHS-B) which had high interaction frequencies with the proximal WASp promoter indica...
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