About: IL-12 immunotherapy of minimal residual disease in murine models of HPV16-associated tumours: induction of immune responses, cytokine production and kinetics of immune cell subsets     Goto   Sponge   NotDistinct   Permalink

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  • U léčených myší byla detekována zvýšená produkce cytokinů, ale nebyl nalezen rozdíl v Th1/Th2 polarizaci imunitní odpovědi. Ve slezinách myší nesoucích TC-1 (MHC I+), ale ne TC-1/A9 (MHC I–) nádory, byly nalezeny cytotoxické CD8+ buňky. Ve slezinách léčených myší nesoucích TC-1/A9 nádory, byly naopak nalezena NK aktivita detekovatelná jako lýza NK senzitivních YAC-1 buněk. Snížený počet CD4+ a CD8+ buněk přetrvával I po léčbě; zatím co procento CD25+/CD4+ T regulačních buněk se neměnilo. Chemoterapie vedla ke zvýšení počtu imunosupresivních nezralých myeloidních buněk Gr-1+/CD11b+ (IMC) ve slezinách léčených zvířat. Jejich akumulace by mohla být zodpověná za zvýšení imunitní odpověďi po adjuvantní léčbě pomocí IL-12. (cs)
  • In this model, upregulation of cytokine production was detected, compared to the animals without tumours. But, no differences in Th1/Th2 polarization of the immune responses were observed. In the spleens of TC-1 (MHC class I+) but not of TC-1/A9 (MHC class I–) treated tumour-bearing animals, the cytotoxic CD8+ cells were found. In the spleens of TC-1/A9 but not of TC-1 tumour-treated animals, the NK activity measured as the lysis of NK-sensitive YAC-1 targets was detected. Downregulation of the CD4+ and CD8+ subpopulations were not restored after therapy. The percentage of CD25+/CD4+ T regulatory cells in lymph nodes remained unchanged. The chemotherapy led to upregulation of immunosuppressive immature myeloid Gr-1+/CD11b+ (IMC) cells in the spleens of treated animals. The accumulation of IMC was significantly decreased after subsequent IL-12 immunotherapy. That elimination may be responsible for the improvement of antitumour responses after adjuvant IL-12 vaccination.
  • In this model, upregulation of cytokine production was detected, compared to the animals without tumours. But, no differences in Th1/Th2 polarization of the immune responses were observed. In the spleens of TC-1 (MHC class I+) but not of TC-1/A9 (MHC class I–) treated tumour-bearing animals, the cytotoxic CD8+ cells were found. In the spleens of TC-1/A9 but not of TC-1 tumour-treated animals, the NK activity measured as the lysis of NK-sensitive YAC-1 targets was detected. Downregulation of the CD4+ and CD8+ subpopulations were not restored after therapy. The percentage of CD25+/CD4+ T regulatory cells in lymph nodes remained unchanged. The chemotherapy led to upregulation of immunosuppressive immature myeloid Gr-1+/CD11b+ (IMC) cells in the spleens of treated animals. The accumulation of IMC was significantly decreased after subsequent IL-12 immunotherapy. That elimination may be responsible for the improvement of antitumour responses after adjuvant IL-12 vaccination. (en)
Title
  • IL-12 immunotherapy of minimal residual disease in murine models of HPV16-associated tumours: induction of immune responses, cytokine production and kinetics of immune cell subsets
  • IL-12 immunotherapy of minimal residual disease in murine models of HPV16-associated tumours: induction of immune responses, cytokine production and kinetics of immune cell subsets (en)
  • Imunoterapie minimální zbytkové choroby interleukinem 12 na myším modelu nádorů asociovaných s virem HPV 16: Indukce imunitní odpovědi, produkce cytokinů a kinetika subpopulací imunních buněk (cs)
skos:prefLabel
  • IL-12 immunotherapy of minimal residual disease in murine models of HPV16-associated tumours: induction of immune responses, cytokine production and kinetics of immune cell subsets
  • IL-12 immunotherapy of minimal residual disease in murine models of HPV16-associated tumours: induction of immune responses, cytokine production and kinetics of immune cell subsets (en)
  • Imunoterapie minimální zbytkové choroby interleukinem 12 na myším modelu nádorů asociovaných s virem HPV 16: Indukce imunitní odpovědi, produkce cytokinů a kinetika subpopulací imunních buněk (cs)
skos:notation
  • RIV/68378050:_____/08:00306790!RIV09-AV0-68378050
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA301/06/0774), Z(AV0Z50520514)
http://linked.open...iv/cisloPeriodika
  • 2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 371396
http://linked.open...ai/riv/idVysledku
  • RIV/68378050:_____/08:00306790
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • HPV 16; MHC class I-positive and -deficient tumours; immature myeloid cells (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GR - Řecká republika
http://linked.open...ontrolniKodProRIV
  • [AA8B92957B40]
http://linked.open...i/riv/nazevZdroje
  • International Journal of Oncology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 32
http://linked.open...iv/tvurceVysledku
  • Reiniš, Milan
  • Bieblová, Jana
  • Bubeník, Jan
  • Indrová, Marie
http://linked.open...ain/vavai/riv/wos
  • 000252620900025
http://linked.open...n/vavai/riv/zamer
issn
  • 1019-6439
number of pages
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