Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0023473 (chronic myeloid leukemia)
 18,916 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We report results of unrelated cord blood transplants (UCBT) in 29 pediatric recipients in one center and the risk factors associated with survival. Median age: 9 years (0.5-20); diagnosis: ALL (9), AML (4), CML (1), HD (3), HLH (1), NHL (3), NBL (2); B-thal (1), FA (1), FEL (1), Krabbe (1), WAS (1), SAA (1); median follow-up: 11 months; conditioning: total body irradiation (TBI)-ablative (14), chemotherapy-ablative (6) and reduced intensity chemotherapy (9); GVHD prophylaxis: MMF/FK506 (18), cyclosporin A (CsA)+steroids+/-MMF (7) or CsA+methotrexate (MTX) (4); median total nucleated cells (TNC): 3.8 x 10(7)/kg (1.1-11); median CD34+: 2.3 x 10(5)/kg (0.2-9.9); and HLA match: 2 (6/6), 5 (5/6), 22 (4/6). Neutrophil engraftment by cumulative incidence curves 63% (median 28 (95% confidence interval (CI) 18-32)). Probability of >/=grade II acute graft-versus-host disease (aGVHD) by day +60 27%, >/=grade III aGVHD 20% and chronic graft-versus-host disease 3%. Estimated 1-year overall survival (OS) 46% (95% CI 30-71) and standard risk 60% (95% CI 29-100%). Variables associated with improved survival by multivariate analysis include non-TBI-ablative conditioning (P=0.024), CD34+/kg (P=0.038) and gender (P=0.048). These results suggest that CD34/kg cell dose and non-TBI-ablative conditioning may be important variables influencing OS following UCBT in pediatric recipients. Given the small number of patients, these results should be viewed cautiously.
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PMID:Outcomes of unrelated cord blood transplantation in pediatric recipients. 1510 15

Hypomethylation of DNA repetitive elements is a common finding in cancer, but very little is known about the DNA methylation changes of different types of DNA repetitive elements, such as interspersed repeats (LINE1 and Alu Yb8) and tandem repeats (Sat-alpha, NBL-2 and D4Z4). We used bisulfite-PCR Pyrosequencing to quantitatively measure the DNA methylation of five different DNA repetitive elements in normal tissue and cancer. In all we studied 10 different tissues from four individuals undergoing autopsy, 34 paired normal and tumor tissues from patients with bladder cancer, 58 patients with chronic myelogenous leukemia and 23 patients with acute promyelocytic leukemia. We found that the DNA methylation of interspersed repeats (LINE1 and Alu Yb8) was very consistent from person to person and tissue to tissue while tandem DNA repeats appeared more variable in normal tissues. In bladder cancer we found clear hypomethylation of LINE1, Alu Yb8, Sat-alpha and NBL-2. Conversely, we found an increase in the DNA methylation levels of D4Z4 from normal to cancer. In contrast leukemia showed no significant changes in the DNA methylation of LINE1 and Alu Yb8, but DNA methylation increases in NBL-2 and D4Z4 tandem repeats. Our findings show that the changes in DNA methylation levels of individual DNA repetitive elements are unique for each repetitive element, which may reflect distinct epigenetic factors and may have important implications in the use of DNA methylation of repetitive elements as global DNA methylation biomarkers.
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PMID:Changes in DNA methylation of tandem DNA repeats are different from interspersed repeats in cancer. 1943 37