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  • V nádorové tkání Burkittova lymfomu byla detekována neobvyklá mutace nádorového supresoru p53. Imunohistochemická analýza detekovala vysokou hladinu proteinu p53 v nádorové tkáni. Imunobloting potvrdil vysokou hladinu proteinu p53 a odhalil, že protein p53 v nádorové tkáni má vyšší molekulovou hmotnost než standardní protein p53. Funkční analýza v kvasinkách FASAY jednoznačně ukázala, že protein p53 v nádorové tkáni je transkripčně nefunkční. Kvasinkové kolonie exprimující tuto variantu p53 měly unikátní neobvyklý fenotyp: byly červené s mnoha bílými tečkami na povrchu.Sekvenování cDNA odvozené z nádorové tkáně odhalilo neobvyklou mutaci - diplikaci 30 pb (g.12155_12184dup30) vedoucí k duplikaci 10 aminokyseln (Pro-70 až Ala-86) v proteinu p53. Další analýza ukázala, že tato mutace je v kvasinkových buňkách nestabilní. (cs)
  • An unusual p53 mutation was detected in case of Burkitt´s lymphoma. By immunohistochemical analyses, high levels of the p53 protein was detected in tumor tissue. Immunoblotting confirmed the high level of the p53 protein and revealed a higher molecular weight of the p53 protein expressed in tumor tissue compared to the standard p53 protein. FASAY evidently revealed that the tumor p53 protein was transcriptionally non-functional. The yeast colonies expressing this p53 variant possessed a unique phenotype in that they were red with many white spots on their surfice. Sequencing of the tumor cDNA revealed a duplication of the 30 bp region of the p53 gene (g.12155_12184dup30) leading to a repeat of 10 aminoacids (Pro-77 to Ala-86) in the p53 protein. Further analyses showed that the mutation was unstable in yeast.
  • An unusual p53 mutation was detected in case of Burkitt´s lymphoma. By immunohistochemical analyses, high levels of the p53 protein was detected in tumor tissue. Immunoblotting confirmed the high level of the p53 protein and revealed a higher molecular weight of the p53 protein expressed in tumor tissue compared to the standard p53 protein. FASAY evidently revealed that the tumor p53 protein was transcriptionally non-functional. The yeast colonies expressing this p53 variant possessed a unique phenotype in that they were red with many white spots on their surfice. Sequencing of the tumor cDNA revealed a duplication of the 30 bp region of the p53 gene (g.12155_12184dup30) leading to a repeat of 10 aminoacids (Pro-77 to Ala-86) in the p53 protein. Further analyses showed that the mutation was unstable in yeast. (en)
Title
  • An unusual p53 mutation detected in Burkitt´s lymphoma: 30 bp duplication
  • Neobvyklá mutace p53 detekována u Burkittova lymfomu: duplikace 30 pb (cs)
  • An unusual p53 mutation detected in Burkitt´s lymphoma: 30 bp duplication (en)
skos:prefLabel
  • An unusual p53 mutation detected in Burkitt´s lymphoma: 30 bp duplication
  • Neobvyklá mutace p53 detekována u Burkittova lymfomu: duplikace 30 pb (cs)
  • An unusual p53 mutation detected in Burkitt´s lymphoma: 30 bp duplication (en)
skos:notation
  • RIV/65269705:_____/08:#0000265!RIV09-MZ0-65269705
http://linked.open...avai/riv/aktivita
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  • P(NR9305)
http://linked.open...iv/cisloPeriodika
  • 4
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  • 355716
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  • RIV/65269705:_____/08:#0000265
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  • Burkitt´s lymphoma (en)
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  • GR - Řecká republika
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  • [0F807BA92766]
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  • 20
http://linked.open...iv/tvurceVysledku
  • Moulis, Mojmír
  • Ravčuková, Barbora
  • Vášová, Ingrid
  • Šmardová, Jana
  • Fabian, Pavel
  • Falková, Iva
  • Vaňková, Jana
  • Grochová, Diana
http://linked.open...ain/vavai/riv/wos
  • 00025976400012
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  • 1021-335X
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