Wynik wyszukiwania w bazie Polska Bibliografia Lekarska GBL

Zapytanie: INTEREWICZ
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Tytuł oryginału: DNA from rejecting donor organs can be detected in recipient lymphoid and non-lymphoid tissues.
Autorzy: Interewicz B., Olszewski W. L., Maksymowicz M., Stanisławska J., Szyper E.
Źródło: Ann. Transplant. 2002: 7 (3) s.32-35, il., bibliogr. 11 poz.
Sygnatura GBL: 313,259

Hasła klasyfikacyjne GBL:
  • hematologia
  • kardiologia
  • transplantologia
  • dermatologia i wenerologia

    Typ dokumentu:
  • praca doświadczalna
  • tytuł obcojęzyczny

    Wskaźnik treści:
  • zwierzęta
  • szczury
  • płeć męska

    Streszczenie angielskie: Rejecting tissue and organ grafts shed cellular debris from damaged cells. Cellular debris contains fragments of nuclei with their genetic material. The question arises what is the fate of donor. DNA in recipient fluids and tissues. Is it enzymatically disintegrated and becomes a waste product or it is utilized by recipient cells. We have shown, using sex-mismatched transplants and the Sry-gene fragment PCR detection method, that at the time of rejection recipient tissue contain donor DNA. The concentration of donor DNA did not paralled the concentration of live donor passenger cells. There were differences in donor DNA concentration depending on whether heart, skin or BMC were transplanted. Moreover, there was more donor DNA in recipient tissues than in control syngeneic transplants. Interestingly, a relatively, a high donor DNA concentration was detected in syngeneic recipients reflecting the extent of non-immune pre-transplantation ischemic damage of the graft.

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    Tytuł oryginału: Interaction of E. coli with dendritic cells - a model for studies of graft infections.
    Autorzy: Stanisławska J., Interewicz B., Szyper E., Olszewski W. L.
    Źródło: Ann. Transplant. 2002: 7 (4) s.42-45, il., bibliogr. 9 poz.
    Sygnatura GBL: 313,259

    Hasła klasyfikacyjne GBL:
  • immunologia
  • mikrobiologia
  • transplantologia
  • dermatologia i wenerologia

    Typ dokumentu:
  • praca doświadczalna
  • tytuł obcojęzyczny

    Wskaźnik treści:
  • zwierzęta
  • szczury
  • in vitro

    Streszczenie angielskie: The rejection process of skin allografts is mediated by dendritic cells (DC) and lymphocytes. The recipients DCs are engaged not only into an allogenic but also antibacterial reaction to the penetrating bacteria. The capacity of these cells to sample sites of pathogen entry, respond to microbial signals and activate naive T cells suggests a critical role for CD in intiating antimicrobial immunity. In our study, we investigated the ability of the green fluorescent protein (Gfp) labelled E. coli to infect DC. We studied kinetics of in vitro and in vivo adherence and incorporation of E. coli by rat spleen and bone marrow (BM) DC. Bacterial adherence to the cell surface was observed after 24 h incubation of DC with bacteria. A 24-hour culture of DC from both sources was followed by bacterial adherence to all cells and egulfment by at least 50 p.c. of cells. There was an increased expression of the phenotypic markers on the DC cultured with E. coli. The Gfp-labelled E. coli should be useful for studies of the activation of dendritic cells. The method will allow to study the process of simultaneous activation of DC by allo- and bacterial antigens.

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