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- Machaczka, Maciej, et al.
(författare)
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Allogeneic hematopoietic stem cell transplant with reduced-intensity conditioning for chronic lymphocytic leukemia in Sweden: does donor T-cell engraftment 3 months after transplant predict survival?
- 2012
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Ingår i: Leukemia and Lymphoma. - : Informa Healthcare. - 1042-8194 .- 1029-2403. ; 53:9, s. 1699-1705
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Tidskriftsartikel (refereegranskat)abstract
- Thirty-eight adult patients with chronic lymphocytic leukemia (CLL) underwent reduced-intensity conditioning (RIC) allogeneic stem cell transplant (allo-SCT) in Sweden between 1999 and 2007. The cumulative incidences of acute graft-versus-host disease (GVHD) grades II-IV and chronic GVHD were 29% and 47%, respectively. Rates of non-relapse mortality, progression-free survival (PFS) and overall survival (OS) were 18%, 47% and 74% at 1 year, and 21%, 25% and 45% at 5 years, respectively. T-cell chimerism after transplant was measured in 31 out of 34 patients (91%) surviving beyond day + 100. Seventeen patients achieved andgt; 90% donor T-cell engraftment at 3 months after allo-SCT and, compared with the 12 patients with andlt;= 90% donor T-cell engraftment, they showed favorable PFS at 1 year (82% vs. 33%, p = 0.002) and better long-term PFS and OS (p = 0.002 and 0.046, respectively). Donor T-cell engraftment of andgt; 90% at 3 months after RIC allo-SCT for CLL seems to predict favorable short-term and long-term outcome.
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- Machaczka, Maciej, et al.
(författare)
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Allogeneic hematopoietic stem cell transplantation with reduced-intensity conditioning for chronic lymphocytic leukemia in Sweden : Does donor T-cell engraftment 3 months after transplantation predict survival?
- 2012
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Ingår i: Leukemia and Lymphoma. - London : Informa Healthcare. - 1042-8194 .- 1029-2403. ; 53:9, s. 1699-1705
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Tidskriftsartikel (refereegranskat)abstract
- Thirty-eight adult patients with chronic lymphocytic leukemia (CLL) underwent reduced-intensity conditioning (RIC) allogeneic stem cell transplantation (allo-SCT) in Sweden between 1999 and 2007. The cumulative incidences of acute GVHD grades II-IV and chronic GVHD were 29% and 48%, respectively. Rates of non-relapse mortality, progression-free survival (PFS) and overall survival (OS) were 18%, 47% and 74% at 1 year, and 21%, 25% and 45% at 5 years, respectively. T-cell chimerism after transplantation was measured in 31 out of 34 patients (91%) surviving beyond day +100. Seventeen patients achieved >90% donor T-cell engraftment at 3 months after allo-SCT and, compared with the 12 patients with ≤90% donor T-cell engraftment, they showed favorable PFS at 1 year (82% vs. 33%, P=0.002), and better long-term PFS and OS (P=0.002 and 0.05 respectively). Donor T-cell engraftment of >90% at 3 months after RIC allo-SCT for CLL seems to predict favorable short-term and long-term outcome.
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- Machaczka, Maciej, et al.
(författare)
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Malignancy-associated hemophagocytic lymphohistiocytosis in adults : a retrospective population-based analysis from a single center
- 2011
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Ingår i: Leukemia and Lymphoma. - : Informa UK Limited. - 1042-8194 .- 1029-2403. ; 52:4, s. 613-619
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Tidskriftsartikel (refereegranskat)abstract
- A retrospective, population-based study was conducted to evaluate the incidence, clinical features, and outcome of malignancy-associated hemophagocytic lymphohistiocytosis (M-HLH) in adults. Between January 1996 and December 2009, eight out of 887 (0.9%) patients diagnosed with hematological malignancies developed aggressive M-HLH in an area inhabited by approximately 160,000 people. Thus the estimated annual incidence of M-HLH in adulthood was 0.36/100,000 individuals/year. The clinical course of M-HLH was aggressive in all patients. Six patients were treated with a modified HLH-94 protocol; three achieved remission (durable in one case) while the others did not respond and died within an average of 2.4 months (range 1.5-3.5) after M-HLH diagnosis. Infection complicating the course of M-HLH occurred in four (50%) patients, all of whom developed fulminant M-HLH and died. Although the small study population limits the results, the long observation period strengthens its value.
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- Yakimchuk, Konstantin, et al.
(författare)
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Up-regulated estrogen receptor β2 in chronic lymphocytic leukemia
- 2012
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Ingår i: Leukemia and Lymphoma. - : Informa UK Limited. - 1042-8194 .- 1029-2403. ; 53:1, s. 139-144
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Tidskriftsartikel (refereegranskat)abstract
- The estrogen receptors alpha (ERα) and beta (ERβ) have been demonstrated in mouse models to be important for immune system regulation, and are differentially expressed in lymphoid organs. One ERβ splice variant, ERβ2, inhibits the ERα-mediated estrogen effect, and expression might predict response to selective estrogen receptor modulators. We studied the expression of ERα, ERβ1 and ERβ2 in peripheral blood mononuclear cells from 26 patients with chronic lymphocytic leukemia (CLL) and 30 normal controls using immunocytochemistry. ERα expression was generally low, while ERβ1 was expressed in 65% of patients with CLL and in 83% of controls (NS). In contrast, nuclear staining for ERβ2 was positive in 69% of patients with CLL, but in only 17% of controls (p < 0.001). In CLL, ERβ2 was found in B- but not in T-lymphocytes. Our data show the expression of ERβ1 and ERβ2 in the majority of patients with CLL, suggesting that the ERs are important in CLL and might be used as therapeutic targets.
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