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Wyszukujesz frazę "cancer gene therapy" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Antitumour activity of Salmonella typhimurium VNP20047 in B16(F10) murine melanoma model.
    Autorzy:
    Jazowiecka-Rakus, Joanna
    Szala, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/1041570.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    cancer gene therapy
    tumour targeting
    cytosine deaminase
    Salmonella
    Opis:
    A tumour therapy is proposed based on attenuated Salmonella typhimurium VNP20047 expressing the Escherichia coli cytosine deaminase gene. VNP20047 was administered intravenously to B16(F10) melanoma-bearing C57BL/6 mice. VNP20047 proliferated within tumours and livers regardless of the initial inoculum dose. After 10 days the number of bacteria increased in livers up to 4.2 × 106 cfu/g and decreased in tumours down to 5.9 × 106 cfu/g. VNP20047 at 1 × 105 cfu/mouse, when combined with 5-fluorocytosine, inhibited tumour growth by 85% without prolonging animal survival. Histology studies revealed severe lesions in tumours and livers. These data suggest that S. typhimurium VNP20047 induced inflammatory responses, even though the strain was attenuated.
    Źródło:
    Acta Biochimica Polonica; 2004, 51, 3; 851-856
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The role of cell adhesion molecule in cancer progression and its application in cancer therapy.
    Autorzy:
    Okegawa, Takatsugu
    Pong, Rey-Chen
    Li, Yingming
    Hsieh, Jer-Tsong
    Powiązania:
    https://bibliotekanauki.pl/articles/1043281.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    cancer gene therapy
    gene
    cell adhesion molecules
    tumor progression
    tumor suppressor
    Opis:
    Multiple and diverse cell adhesion molecules take part in intercellular and cell-extracellular matrix interactions of cancer. Cancer progression is a multi-step process in which some adhesion molecules play a pivotal role in the development of recurrent, invasive, and distant metastasis. A growing body of evidence indicates that alterations in the adhesion properties of neoplastic cells play a pivotal role in the development and progression of cancer. Loss of intercellular adhesion and the desquamation of cells from the underlying lamina propria allows malignant cells to escape from their site of origin, degrade the extracellular matrix, acquire a more motile and invasion phenotype, and finally, invade and metastasize. In addition to participating in tumor invasiveness and metastasis, adhesion molecules regulate or significantly contribute to a variety of functions including signal transduction, cell growth, differentiation, site-specific gene expression, morphogenesis, immunologic function, cell motility, wound healing, and inflammation. Cell adhesion molecule (CAM), a diverse system of transmembrane glycoproteins has been identified that mediates the cell-cell and cell-extracellular matrix adhesion and also serves as the receptor for different kinds of virus. We summarize recent progress regarding the role of CAM, particularly, immunoglobulin-CAMs and cadherins in the progression of cancer and discuss the potential application of CAMs in the development of cancer therapy mainly on urogenital cancer.
    Źródło:
    Acta Biochimica Polonica; 2004, 51, 2; 445-457
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cancer immunotherapy using cells modified with cytokine genes.
    Autorzy:
    Kowalczyk, Dariusz
    Wysocki, Piotr
    Mackiewicz, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/1043434.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    cancer
    cancer vaccines
    cytokines
    dendritic cells
    gene therapy
    Opis:
    The ability of various cytokines to hamper tumor growth or to induce anti-tumor immune response has resulted in their study as antitumor agents in gene therapy approaches. In this review we will concentrate on the costimulation of antitumor immune responses using modification of various cell types by cytokine genes. Several strategies have emerged such as (i) modification of tumor cells with cytokine genes ex vivo (whole tumor cell vaccines), (ii) ex vivo modification of other cell types for cytokine gene delivery, (iii) delivery of cytokine genes into tumor microenvironment in vivo, (iv) modification of dendritic cells with cytokine genes ex vivo. Originally single cytokine genes were used. Subsequently, multiple cytokine genes were applied simultaneously, or in combination with other factors such as chemokines, membrane bound co-stimulatory molecules, or tumor associated antigens. In this review we discuss these strategies and their use in cancer treatment as well as the promises and limitations of cytokine based cancer gene therapy. Clinical trials, including our own experience, employing the above strategies are discussed.
    Źródło:
    Acta Biochimica Polonica; 2003, 50, 3; 613-624
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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