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De Souza,C.A.; Santini,G.; Marino,G.; Nati,S.; Congiu,A.M.; Vigorito,A.C.; Damasio,E.. |
Clinical trials indicate that amifostine may confer protection on various normal tissues without attenuating anti-tumor response. When administered prior to chemotherapy or radiotherapy, it may provide a broad spectrum of cytoprotection including against alkylating drugs. The mechanism of protection resides in the metabolism at normal tissue site by membrane-bound alkaline phosphatase. Toxicity of this drug is moderate with hypotension, nausea and vomiting, and hypocalcemia being observed. We report a phase II study using amifostine as a protective drug against high-dose cyclophosphamide (HDCY) (7 g/m2), used to mobilize peripheral blood progenitor cells (PBPC) and to reduce tumor burden. We enrolled 29 patients, 22 (75.9%) affected by aggressive and 7... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amifostine; Cytoprotection; Non-Hodgkin's lymphoma; High-dose cyclophosphamide; Peripheral blood progenitor cell mobilization. |
Ano: 2000 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000000700009 |
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Benites,B.D.; Fattori,A.; Hackel,C.; Lorand-Metze,I.; De Souza,C.A.; Schulz,E.; Costa,F.F.; Saad,S.T.O.. |
Apoptotic protease activating factor 1 (APAF-1) has a critical role in the regulation of apoptosis. In the present study, the mRNA expression analysis of different APAF-1 transcripts (APAF-1S, APAF-1LC, APAF-1LN, and APAF-1XL) was analyzed in bone marrow samples from 37 patients with acute myeloid leukemia (newly diagnosed, with no previous treatment). APAF-1XL and APAF-1LN transcripts (with and without an extra WD-40 repeat region, respectively) were detected in all samples, although the major form expressed was APAF-1XL in 65% of the samples (group 1), while 35% of the samples expressed primarily APAF-1LN (group 2). Only 46% of the patients presented complete remission in response to remission induction therapy (represented by less than 5% marrow blasts... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: APAF-1; Acute myeloid leukemia; Apoptosis; Chemotherapy resistance. |
Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000700004 |
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