Abstract:
Compositions and methods comprising recombinant expression vector elements (rEVEs) to enhance the level of expression of recombinant proteins are described. Other compositions and methods for lowering, substantially suppressing, or essentially silencing expression of a recombinant protein are also described.
Abstract:
Embodiments of the invention relate to vector constructs and methods for expression of polypeptides including multimeric products such as therapeutic antibodies. Particular constructs allow for the generation of expression products from a single open reading frame (sORF). An embodiment provides an isolated or purified expression vector for generating one or more recombinant protein products comprising a single open reading frame insert; said insert comprising a signal peptide nucleic acid sequence encoding a signal peptide; a first nucleic acid sequence encoding a first polypeptide; a first intervening nucleic acid sequence encoding a first protein cleavage site, wherein said first protein cleavage site is provided by an intein segment of a Ion protease gene of Pyrococcus or a klbA gene of Pyrococcus or Methanococcus, or a modified intein segment derived therefrom; and a second nucleic acid sequence encoding a second polypeptide. Certain embodiments of constructs and methods employ an intein segment of a Ion protease gene of Pyrococcus abyssi, Pyrococcus furiosus, or Pyrococcus horikoshii OT3; or an intein segment of a klbA gene of Pyrococcus abyssi, Pyrococcus furiosus, or Methanococcus jannaschir, or other intein segment.
Abstract:
Las modalidades de la invención se refieren a construcciones de vector y a métodos para expresión de polipéptidos incluyendo productos multiméricos tales como anticuerpos terapéuticos. Las construcciones particulares permiten la generación de productos de expresión a partir de un marco de lectura abierto individual (sORF). Una modalidad provee un vector de expresión aislado o purificado para generar uno o más productos de proteína recombinante que comprenden un inserto de marco de lectura abierto individual; dicho inserto comprende una secuencia de ácido nucleico de péptido de señal que codifica para un péptido de señal; una primera secuencia de ácido nucleico que codifica para un primer polipéptido; una primera secuencia de ácido nucleico de intercalado que codifica para un primer sitio de corte de proteína, en la cual dicho primer sitio de corte de proteína es provisto por un segmento de inteína de un gen de proteasa Ion de Pyrococcus o un gen klbA de Pyrococcus o Methanococcus, o un segmento de inteína modificada derivado a partir de los mismos; y una segunda secuencia de ácido nucleico que codifica para un segundo polipéptido. Ciertas modalidades de construcciones y métodos emplean un segmento de inteína de un gen de proteasa Ion de Pyrococcus abyssi, Pyrococcus furiosus, o Pyrococcus horikoshii 0T3; o un segmento de inteína de un gen klbA de Pyrococcus abyssi, Pyrococcus furiosus, o Methanococcus jannaschii; u otro segmento de inteína.
Abstract:
Compositions and methods comprising recombinant expression vector elements (rEVEs) to enhance the level of expression of recombinant proteins are described. Other compositions and methods for lowering, substantially suppressing, or essentially silencing expression of a recombinant protein are also described.
Abstract:
Disclosed is an isolated recombinant expression vector element (rEVE) polynucleotide molecule comprising a nucleotide base sequence selected from the group consisting of the nucleotide base sequence of SEQ ID NO: 1, the nucleotide base sequence of SEQ ID NO:2, a sequence complementary to any foregoing sequence, an expression-enhancing portion of any foregoing sequence, and combinations thereof.
Abstract:
Se describen composiciones y métodos que comprenden elementos de vector de expresión recombinante (rEVEs) para mejorar el nivel de expresión de proteínas recombinantes. También se describen otras composiciones y métodos para reducir, suprimir substancialmente, o silenciar esencialmente la expresión de una proteína recombinante.
Abstract:
Compositions and methods comprising recombinant expression vector elements (rEVEs) to enhance the level of expression of recombinant proteins are described. Other compositions and methods for lowering, substantially suppressing, or essentially silencing expression of a recombinant protein are also described.
Abstract:
Compositions and methods comprising recombinant expression vector elements (rEVEs) to enhance the level of expression of recombinant proteins are described. Other compositions and methods for lowering, substantially suppressing, or essentially silencing expression of a recombinant protein are also described. Figure 4
Abstract:
Recombinant expression vector elements (rEVEs) for enhancing expression of recombinant proteins in host cells Abstract Compositions and methods comprising recombinant expression vector elements (rEVEs) to enhance the level of expression of recombinant proteins are described. Other compositions and methods for lowering, substantially suppressing, or essentially silencing expression of a recombinant protein are also described. (5885589_1):GGG