It is difficult for relapsed and refractory acute myeloid leukemia (AML) patients to achieve complete remission (CR). The CAG regimen [low-dose cytarabine and aclarubicin in combination with granulocyte colony-stimulating factor (G-CSF)] has been used to treat relapsed and refractory AML patients, and showed good therapeutic efficacy. It is unknown, however, whether increasing the dose of aclarubicin in CAG regimen could treat relapsed or refractory AML safely and effectively. We evaluate the efficacy and tolerability of increasing the dose of aclarubicin in CAG regimen, in 37 relapsed or refractory AML patients. All patients were treated with CAG regimen including low-dose cytarabine (10 mg/m(2) every 12 h, days 1-14), aclarubicin (5-7 mg/m(2) every day, days 1-14), and G-CSF (200 μg/m(2) every day, days 1-14) priming. After a single course of therapy, the overall response [CR + partial remission (PR)] rate of all patients was 78.4 % (29/37), in which the CR rate was 62.2 % (23/37). There was no early death. The median overall survival was 6 months (range 2-36 months). Myelosuppression was ubiquitous, but tolerated. No severe non-hematologic toxicity was observed. Thus, increasing the dose of aclarubicin in CAG regimen can be used safely and effectively in the treatment of relapsed or refractory AML.
Purpose: To identify the biological function of phosphoserine aminotransferase 1 (PSAT1) in regulating cell proliferation and apoptosis in multiple myeloma (MM).Methods: The mRNA and protein levels of PSAT1 were determined using quantitative real-time polymerase chain reaction (PCR) and western blotting, respectively. Cell proliferation was measured using CCK-8 assay.Results: PSAT1 mRNA and protein expression levels were significantly increased in MM cell lines when compared to control cells. Moreover, downregulation of PSAT1 inhibited MM cell proliferation and induced cell apoptosis, whereas overexpression of PSAT1 promoted MM cell proliferation and suppressed cell apoptosis. Further analysis demonstrated that the underlying mechanism was via regulation of PI3K/AKT pathway.Conclusion: The results identified a novel role for PSAT1 in the progression of MM, which may provide a therapeutic and a new anticancer target for the therapy of MM.
Keywords: Multiple myeloma, PSAT1, Cell proliferation, PI3K/AKT pathway
The incidence of acute myeloid leukemia (AML) increases with age. The overall prognosis remains poor for older patients. Because studies on the efficacy of decitabine in older patients with AML have reported conflicting results, we performed this meta-analysis to evaluate the role of decitabine treatment in elderly patients with AML. According to the results of our meta-analysis, decitabine is effective and safe for the treatment of older patients with AML. Background: The incidence of acute myeloid leukemia (AML) increases with age. The overall prognosis remains poor for older patients. Studies on the efficacy of decitabine, an epigenetic agent, in older patients with AML have reported conflicting results. Materials and Methods: For this meta-analysis, we performed a literature search and collected 38 studies (including 3298 patients with AML) to evaluate the role of decitabine in elderly patients with AML. We used complete response (CR) or overall response (OR) rate as indicators of effectiveness. Results: Patients treated with decitabine have a higher CR/OR rate than those treated with low-dose cytarabine (CR, 2.60; 95% confidence interval [CI], 1.64-4.14; OR, 4.88; 95% CI, 1.98-12.04) or CAG/HAG (low-dose epirubicin and cytarabine with granulocyte stimulating factor/low-dose homoharringtonine and cytarabine with granulocyte stimulating factor) regimens (CR, 2.53; 95% CI, 1.98-3.23; OR, 2.89; 95% CI, 2.24-3.73). However, patients treated with decitabine had a CR rate equivalent to those treated with intensive chemotherapy (CR, 0.58; 95% CI, 0.28-1.22; P ¼ .15). Use of decitabine in combination with other regimens resulted in a higher CR/OR rate than did use of decitabine alone (P < .001); there was no significant difference in infection rates and early death rates (P > .05). Conclusion: The findings presented in this article show that decitabine is effective and safe for the treatment of older patients with AML.
A comparative study of porcine antihuman lymphocyte globulin versus antithymocyte globulinfresenius in an allogeneic hematopoietic cell transplantation conditioning regimen for severe
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