DOUBEK, Michael, Martin TRBUŠEK, Jitka MALČÍKOVÁ, Yvona BRYCHTOVÁ, Jana ŠMARDOVÁ, Jana LOCHMANOVÁ, Anna PANOVSKÁ, Hana FRANCOVÁ, Marek MRÁZ, Boris TICHÝ, Ludmila ŠEBEJOVÁ, Veronika NAVRKALOVÁ, Karla PLEVOVÁ, Petr KUGLÍK, Jiří MAYER and Šárka POSPÍŠILOVÁ. Specific p53 mutations do not impact results of alemtuzumab therapy among patients with chronic lymphocytic leukemia. Leukemia & Lymphoma. LONDON: INFORMA HEALTHCARE, 2012, vol. 53, No 9, p. 1817-1819. ISSN 1042-8194. Available from: https://dx.doi.org/10.3109/10428194.2012.658794.
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Basic information
Original name Specific p53 mutations do not impact results of alemtuzumab therapy among patients with chronic lymphocytic leukemia
Authors DOUBEK, Michael (203 Czech Republic, guarantor, belonging to the institution), Martin TRBUŠEK (203 Czech Republic, belonging to the institution), Jitka MALČÍKOVÁ (203 Czech Republic, belonging to the institution), Yvona BRYCHTOVÁ (203 Czech Republic, belonging to the institution), Jana ŠMARDOVÁ (203 Czech Republic, belonging to the institution), Jana LOCHMANOVÁ (203 Czech Republic, belonging to the institution), Anna PANOVSKÁ (203 Czech Republic, belonging to the institution), Hana FRANCOVÁ (203 Czech Republic, belonging to the institution), Marek MRÁZ (203 Czech Republic, belonging to the institution), Boris TICHÝ (203 Czech Republic, belonging to the institution), Ludmila ŠEBEJOVÁ (203 Czech Republic, belonging to the institution), Veronika NAVRKALOVÁ (203 Czech Republic, belonging to the institution), Karla PLEVOVÁ (203 Czech Republic, belonging to the institution), Petr KUGLÍK (203 Czech Republic, belonging to the institution), Jiří MAYER (203 Czech Republic, belonging to the institution) and Šárka POSPÍŠILOVÁ (203 Czech Republic, belonging to the institution).
Edition Leukemia & Lymphoma, LONDON, INFORMA HEALTHCARE, 2012, 1042-8194.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 30200 3.2 Clinical medicine
Country of publisher United Kingdom of Great Britain and Northern Ireland
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 2.301
RIV identification code RIV/00216224:14740/12:00062071
Organization unit Central European Institute of Technology
Doi http://dx.doi.org/10.3109/10428194.2012.658794
UT WoS 000307301500031
Keywords in English chronic lymphocytic leukemia; p53 mutation; alemtuzumab
Tags ok, rivok
Tags International impact
Changed by Changed by: Olga Křížová, učo 56639. Changed: 12/4/2013 10:12.
Abstract
A poor prognosis in chronic lymphocytic leukemia (CLL) is associated particularly with the presence of del(17p) affecting tumor suppressor gene TP53. This deletion is in almost all cases of progressive leukemia accompanied by a mutation in the other TP53 allele, and in a smaller proportion of patients the TP53 mutation occurs also independently of del(17p). Recently, we demonstrated that patients with CLL harboring a missense mutation located in the p53 DNA-binding motifs (DBMs) (structurally well-defined parts of the DNA-binding domain) manifested a clearly shorter median survival in comparison with those having a missense mutation outside DBMs or a non-missense alteration. However, a limitation of this study resulted from the unpredictable survival impact of diverse therapy given to patients with p53 mutations. Th e therapeutic approach currently taken for patients with CLL with loss and/or mutation of TP53 relies mostly on the use of agents which do not act through DNA damage followed by apoptosis induction. Th e success of this approach has been documented for the monoclonal antibody alemtuzumab. Monotherapy with alemtuzumab is now being recommended as first-line therapy for patients with CLL with del(17p); however, many unresolved questions need to be addressed. For example, it is unclear whether the type of p53 mutation infl uences the outcome of alemtuzumab therapy.
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