摘要:
A computing system having host computer and an I/O processor (IOP) provides firewall services to the host computer. When the host computer and the IOP are initialized, all of the communication ports are reset to a closed state. Application programs are loaded into memory of the host computer for execution and provide the identity of communication ports to be used by the application. The identity of the requested communication ports are used to instruct the IOP to open the communication port to accept network data packets that use the particular port. When the application terminates operation, the communication ports used by the application are closed to provide dynamic control over communication ports. This process ensures that only ports currently used by applications currently executing within the host computer are open without administrator action.
摘要:
An improved optical collection and transmission surface includes a plastic mold injection surface including staggered multiple transmission sites each with a recessed portion in which incident light is not lost during reflection towards the propagation surface. A device implementing the surfaces is plastic-mold injected of high quality acrylic at in a preferred embodiment and can be economically optionally polished or finished to achieve desired quality surfaces.
摘要:
The present invention provides methods for increasing the transfer of nucleic acids into cells. In particular, the present invention provides for the use of inhibitors of HDAC6, a cytoplasmic histone deacetylase present in mammalian cells by, for example, small molecules or siRNA treatment, in increasing gene transfer and/or expression in cells in vitro and in vivo for research and gene therapy applications.
摘要:
The present invention provides methods for increasing the transfer of nucleic acids into cells. In particular, the present invention provides for the use of inhibitors of HDAC6, a cytoplasmic histone deacetylase present in mammalian cells by, for example, small molecules or siRNA treatment, in increasing gene transfer and/or expression in cells in vitro and in vivo for research and gene therapy applications.
摘要:
One aspect of the invention relates to an isolated nuclear targeting molecule that includes a fragment of a mammalian glycoprotein 36 (gp36, also known as T1-α or podoplanin) gene expressed in type I alveolar epithelial cells. Plasmids containing the isolated nuclear targeting molecule which are useful for affording nuclear uptake of the plasmid DNA in type I alveolar epithelial cells but not type II alveolar epithelial cells, and compositions and host cells containing such plasmids are also disclosed. Use of the plasmids for targeting an exogenous DNA into nuclei of type I alveolar epithelial cells is described herein.
摘要:
A surface array of electrically actuated pulsed microscopic fuel jets arranged on the interior surface of a mixing chamber injects fuel into air to form a combustible air-fuel mixture. The jets are solid state units with no moving parts, which can be actuated individually or in groups, and the volume of fuel injected per each jet's firing pulse can be varied by changing the characteristics of the electrical actuating pulse. Having no moving parts and being electrically activated, the jets are intrinsically suited to direct computer control. By providing a large number of such jets and a means of their direct electronic control via negative feedback, fine control of the operating parameters of the combustion engine and a high degree of redundancy to compensate for the failure of individual jets is made possible. The lack of moving parts and the absence of a high pressure fuel supply system provide significant advantages in performance, cost, reliability, and safety over the prior art in fuel injection.
摘要:
The present invention provides compositions and methods for increasing the transfer of nucleic acids into cells. In particular, the present invention provides for the use of inhibitors of HDAC6, a cytoplasmic histone deacetylase present in mammalian cells by, for example, small molecules or siRNA treatment, in increasing gene transfer and/or expression in cells in vitro and in vivo for research and gene therapy applications.
摘要:
The invention provides a nuclear targeting molecule having a nucleic acid sequence which consists of SEQ ID NO:1 or a nuclear targeting portion of SEQ ID NO:1. The invention further provides a plasmid for targeting a DNA molecule into the nucleus of a host cell. The plasmid comprises the nuclear targeting molecule (having SEQ ID NO:1 or a nuclear targeting portion of SEQ ID NO:1) and a DNA molecule to be targeted to a nucleus. This plasmid of the subject invention can be introduced into various host cells, and the nuclear targeting molecule will target the DNA molecule to the nucleus of the host cell. Thus, the invention further provides a method of targeting a DNA molecule into the nucleus of a host cell. The method comprises providing a plasmid (the plasmid comprising the nuclear targeting molecule and the DNA molecule to be targeted) and introducing the plasmid into the cytoplasm of the host cell. In this method, the nuclear targeting molecule targets the DNA molecule into the nucleus of the host cell.
摘要翻译:本发明提供了具有由SEQ ID NO:1或SEQ ID NO:1的核靶向部分组成的核酸序列的核靶向分子。 本发明还提供了将DNA分子靶向宿主细胞核的质粒。 质粒包含核靶向分子(具有SEQ ID NO:1或SEQ ID NO:1的核靶向部分)和靶向细胞核的DNA分子。 本发明的该质粒可以被引入到各种宿主细胞中,核靶向分子将DNA分子靶向宿主细胞的核。 因此,本发明还提供了将DNA分子靶向宿主细胞核的方法。 该方法包括提供质粒(包含核靶向分子的质粒和待靶向的DNA分子),并将质粒导入宿主细胞的细胞质中。 在该方法中,核靶向分子将DNA分子靶向宿主细胞的核。
摘要:
A plasmid, viral or linear DNA molecule containing a nucleic acid sequence derived from the promoter region of the hCol1α2 gene, which is selectively transported into the nuclei of cells in the osteoblast lineage. The sequence can be used independently as a nuclear entry sequence only, and/or as a nuclear entry sequence without regard to position, in a vector or linear DNA that directs gene expression and nuclear entry. The disclosure further includes a chimeric DNA sequence derived by the addition of osteoblast-specific enhancer sequences to the nuclear entry sequence/promoter sequence, to increase osteoblast-specific expression while retaining osteoblast-specific nuclear import. An enhancer sequence is derived from the promoter region of the human Core Binding Factor alpha 1 (Cbfa1/Runx2) gene. The Cbfa1/Runx2 promoter can be added to the sequence derived from, or alternatively, comprising the promoter region of the hCol1α2 gene. Also provided are methods of use of the novel sequences.
摘要:
The present invention relates to methods and compositions for importing DNA into the nuclei of a specific cell type. In particular, the present invention provides methods and compositions for specifically targeting the nuclei of pulmonary cells.