No abstract

Outcomes in T-PLL remain poor. Multicenter collaborative effort is required to conduct prospective studies.

Background Fatigue is distressing and affects quality of life (QoL) among patients with myelodysplastic syndrome (MDS), aplastic anemia (AA), and paroxysmal nocturnal hemoglobinuria (PNH). Limited data exist on the impact of fatigue, QoL, and related symptoms in these patients. Objective Prospectively assess fatigue (functional assessment of cancer therapy‐anemia [FACT‐An]); QoL (FACT‐An subscales); pain (brief pain inventory); and depression, anxiety, and stress (depression anxiety stress scale‐21) and strategies used to manage these symptoms in patients with MDS, AA, and PNH. Methods Surveys were administered via the AA and MDS International Foundation website and database from October 2014 through April 2015 in a cross‐sectional study. Results were summarized using descriptive statistics. Results Of 303 patients, 145 (48%) had MDS, 84 (28%) had AA, and 74 (24%) had PNH; 31 (10%) had >1 diagnosis. The mean age was 57 years, 200 (66%) were female, and 195 (92%) were white. The mean fatigue scores were 25 (range 1‐52) for the whole cohort, 28 for AA, 25 for MDS, and 24 for PNH (P = 0.117); these are all considered severe level. The mean QoL score was 68 (range 10‐104) for the whole cohort, 67 for AA, 69 for MDS, and 67 for PNH (P = 0.821). The ranges for stress were normal; pain and depression, mild; and anxiety, moderate. The most common management strategies perceived as helpful for fatigue in the past month were preserving energy, physical activity, and naps. Conclusions Many patients with MDS, AA, and PNH report severe fatigue. The helpfulness of fatigue management strategies may impact patients’ continued use; whether these strategies are beneficial and decrease fatigue levels needs more study.

We previously reported that the hypermethylation of the p15 INK4B gene promoter was frequently observed in myelodysplastic syndromes (MDS), and that it may be associated with disease progression. An unanswered question is whether p15 INK4B gene methylation is restricted to undifferentiated blastic cells, or whether differentiated cells such as granulocytes or erythrocytes of MDS origin also harbor this epigenetic alteration. In this study, we analyzed the methylation status of the p15 INK4B gene in MDS by the methylation-specific PCR (MSP) method, which is more sensitive than Southern blotting. The bone marrow mononuclear cells (BM-MNCs) of 23 MDS patients were analyzed, and six of them showed p15 INK4B methylation. Progenitor assay with methylcellulose medium was also performed in all patients. In two of the six patients with p15 INK4B -methylated BM-MNCs, erythroid and/or non-erythroid colonies formed were subjected to molecular analysis. Colonies with and without p15 INK4B methylation were detected in both patients.

The human androgen-receptor gene (HUMARA) has been used for analysis of X chromosome inactivation (XCI) pattern because of a polymorphic short tandem repeat (STR) near the 5Ј-promoter region correlated with XCI. We introduce a novel method to analyze XCI pattern, named HUMARA methylationspecific PCR (HUMARA-MSP) assay, which analyzes methylation status of the HUMARA gene by bisulfite modification instead of a methylation-sensitive restriction enzyme. Although the original MSP method shows whether there is a methylated band or not, our HUMARA-MSP method identifies the patterns of methylated and unmethylated bands. Because this method identifies either unmethylated or methylated alleles in each PCR tube and shows opposite band patterns dependent on methylation status, we can assess the XCI pattern independently twice. This method can avoid false results by incomplete enzyme digestion and incomplete bisulfite modification will not affect the results. Extremely small quantities of samples, such as hematopoietic colonies, were also available for HUMARA-MSP assay. Because DNA modified by sodium bisulfite is also available for assessment of methylation status of other genes by setting specific primers for them, we performed the simultaneous assessment of clonality and aberrant hypermethylation of p15 INK4B gene in myelodysplastic syndromes. These simultaneous assessments were easily possible and provided much information despite requiring only a small volume of DNA. The HUMARA-MSP assay may facilitate the analyses for pathogenesis of hematological disorders because of its simplicity, sensitivity and wide applicability. Leukemia (2000) 14, 207-212.