Research Topics
Genomes and Genes
| Neal S YoungSummaryAffiliation: National Institutes of Health Country: USA Publications
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Detail Information
Publications
Aplastic anemiaNeal S Young
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1202, USA
Curr Opin Hematol 15:162-8. 2008....
A mouse model of lymphocyte infusion-induced bone marrow failureMichael L Bloom
Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD 20892-1652, USA
Exp Hematol 32:1163-72. 2004..CONCLUSION: This mouse model indicates that activated lymphocytes and type I cytokines play important roles in marrow destruction in lymphocyte infusion-induced BM failure...
Brief communication: Successful treatment of pure red-cell aplasia with an anti-interleukin-2 receptor antibody (daclizumab)Elaine M Sloand
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
Ann Intern Med 144:181-5. 2006..Most patients respond to some form of immunosuppressive treatment, but few prospective clinical trials have been performed...
Telomere biology and telomere diseases: implications for practice and researchNeal S Young
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Hematology Am Soc Hematol Educ Program 2010:30-5. 2010....
Current concepts in the pathophysiology and treatment of aplastic anemiaNeal S Young
Hematology Branch, National Heart, Lung, and Blood Institute NIH, 10 Center Drive, Bldg 10 CRC, Rm 3E 5140, Bethesda, MD 20892 1202, USA
Blood 108:2509-19. 2006..Recent results with alternative sources of stem cells and a variety of conditioning regimens to achieve their engraftment have been promising, with survival in small pediatric case series rivaling conventional transplantation results...
Mutations in TERT, the gene for telomerase reverse transcriptase, in aplastic anemiaHiroki Yamaguchi
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
N Engl J Med 352:1413-24. 2005..We investigated whether mutations in genes for other components of telomerase also occur in aplastic anemia...
Establishment of an erythroid cell line from primary CD36+ erythroid progenitor cellsSusan Wong
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Exp Hematol 38:994-1005.e1-2. 2010..We tried to establish a continuous erythroid cell line from the primary CD36(+) erythroid progenitor cells (EPCs) by the lentivirus-mediated gene transduction system...
Late complications following treatment for severe aplastic anemia (SAA) with high-dose cyclophosphamide (Cy): follow-up of a randomized trialJohn F Tisdale
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Blood 100:4668-70. 2002..Bone marrow cytogenetic abnormalities have been observed among surviving patients in both arms (2 of 14 ATG versus 1 of 12 Cy, P =.70). High-dose Cy does not prevent relapse or clonal evolution in SAA...
Minor antigen h60-mediated aplastic anemia is ameliorated by immunosuppression and the infusion of regulatory T cellsJichun Chen
Hematology Branch, National Heart, Lung, and Blood Institute, NIH Building 10, Clinical Research Center, 10 Center Drive, Bethesda, MD 20892, USA
J Immunol 178:4159-68. 2007..Immunosuppressive drug treatment or enhancement of regulatory T cell function abrogated this pathophysiology and protected animals from the development of BM failure...
Mitochondrial DNA sequence heterogeneity of single CD34+ cells after nonmyeloablative allogeneic stem cell transplantationYong Gang Yao
Hematology Branch, National Heart, Lung, and Blood Institute, NIH, Building 10 CRC, Room 3E 5140, 10 Center Drive, Bethesda, Maryland 20892 1202, USA
Stem Cells 25:2670-6. 2007..Disclosure of potential conflicts of interest is found at the end of this article...
Rabbit ATG but not horse ATG promotes expansion of functional CD4+CD25highFOXP3+ regulatory T cells in vitroXingmin Feng
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Blood 111:3675-83. 2008..The therapeutic effects of rATG may occur not only because of lymphocyte depletion but also enhanced Treg cell number and function...
Hematopoietic-specific microRNA expression in human cellsShakti H Ramkissoon
Howard Hughes Medical Institute-National Institutes of Health Research Scholars Program, Bethesda, MD 20892, USA
Leuk Res 30:643-7. 2006..Further our results showed differences in miRNA expression between mouse and human hematopoietic cells, suggesting important regulatory roles of miRNAs in human hematopoiesis and oncogenesis...
Preferential suppression of trisomy 8 compared with normal hematopoietic cell growth by autologous lymphocytes in patients with trisomy 8 myelodysplastic syndromeElaine M Sloand
Hematology Branch, National Heart, Lung, and Blood Institute, Bldg 10, Rm 7C108, National Institutes of Health, Bethesda, MD 20892, USA
Blood 106:841-51. 2005..An increased number of T cells with apparent specificity for trisomy 8 cells is consistent with an autoimmune pathophysiology in trisomy 8 MDS...
Distinctive gene expression profiles of CD34 cells from patients with myelodysplastic syndrome characterized by specific chromosomal abnormalitiesGuibin Chen
Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD, USA
Blood 104:4210-8. 2004..These results imply distinct molecular mechanisms for monosomy 7 and trisomy 8 MDS and implicate specific pathogenic pathways...
Mutations in the SBDS gene in acquired aplastic anemiaRodrigo T Calado
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Blood 110:1141-6. 2007..We propose that heterozygosity for the 258 + 2 T>C SBDS mutation predisposes to AA by accelerating telomere shortening of leukocytes via a telomerase-independent mechanism...
Mitochondrial DNA sequence heterogeneity in circulating normal human CD34 cells and granulocytesMyung Geun Shin
Hematology Branch and Flow Cytometry Core Facility, National Heart, Lung and Blood Institute, National Institutes of Health, Bldg 10, Rm 7C103, 9000 Rockville Pike, Bethesda, MD 20892-1652, USA
Blood 103:4466-77. 2004....
Treatment of severe aplastic anemia with a combination of horse antithymocyte globulin and cyclosporine, with or without sirolimus: a prospective randomized studyPhillip Scheinberg
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Haematologica 94:348-54. 2009....
Expansion of haematopoietic stem cells from normal donors and bone marrow failure patients by recombinant hoxb4Yong Tang
Hematology Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892 1202, USA
Br J Haematol 144:603-12. 2009..Recombinant human hoxb4 could be a promising therapeutic agent for BM failure...
Enrichment of hematopoietic stem cells with SLAM and LSK markers for the detection of hematopoietic stem cell function in normal and Trp53 null miceJichun Chen
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Exp Hematol 36:1236-43. 2008..To test function of hematopoietic stem cells (HSCs) in vivo in C57BL/6 (B6) and Trp53-deficient (Trp53 null) mice by using two HSC enrichment schemes...
Th17 immune responses contribute to the pathophysiology of aplastic anemiaRegis Peffault De Latour
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Blood 116:4175-84. 2010..01) and more Treg cells (P < .05) at day 10 after lymph node infusion. Th17 immune responses contribute to AA pathophysiology, especially at the early stage during disease progression...
Interferon-gamma-induced gene expression in CD34 cells: identification of pathologic cytokine-specific signature profilesWeihua Zeng
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Blood 107:167-75. 2006....
Human parvovirus B19 causes cell cycle arrest of human erythroid progenitors via deregulation of the E2F family of transcription factorsZhihong Wan
Hematology Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, Maryland 20892 1652, USA
J Clin Invest 120:3530-44. 2010..These findings provide new insight into the molecular pathogenesis of B19V in highly permissive erythroid progenitors...
Phenotypic and functional characterization of a mouse model of targeted Pig-a deletion in hematopoietic cellsValeria Visconte
Hematology Branch, NHLBI, National Institutes of Health, Bethesda, MD 20892 1202 USA
Haematologica 95:214-23. 2010..Somatic mutation in the X-linked phosphatidylinositol glycan class A gene (PIG-A) causes glycosyl phosphatidylinositol anchor deficiency in human patients with paroxysmal nocturnal hemoglobinuria...
CD34+ cells from paroxysmal nocturnal hemoglobinuria (PNH) patients are deficient in surface expression of cellular prion protein (PrPc)Antonio M Risitano
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Exp Hematol 31:65-72. 2003..Conversely, PrP(c) is a good model to elucidate the fate of GPI-AP in PIG-A-deficient cells...
Fas-mediated apoptosis is important in regulating cell replication and death in trisomy 8 hematopoietic cells but not in cells with other cytogenetic abnormalitiesElaine M Sloand
Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD 20892 1652, USA
Blood 100:4427-32. 2002..Clinical data demonstrating the responsiveness of some patients with trisomy 8 to anti-thymocyte globulin (ATG) and cyclosporine (CsA) would favor an active role of the immune system in this syndrome...
Effects of granulocyte-colony-stimulating factor on Monosomy 7 aneuploidy in healthy hematopoietic stem cell and granulocyte donorsMatthew J Olnes
Hematology Branch, NHLBI, National Institutes of Health, Bethesda, Maryland 20892, USA
Transfusion 52:537-41. 2012..However, there are no studies addressing whether repeated administration of G-CSF produces Monosomy 7 aneuploidy in healthy donors...
Treatment of severe aplastic anaemia with combined immunosuppression: anti-thymocyte globulin, ciclosporin and mycophenolate mofetilPhillip Scheinberg
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Br J Haematol 133:606-11. 2006..Over half of the relapses occurred during MMF administration. Despite a strong theoretical rationale for its use, MMF did not result in the improvement of response or relapse rates when compared with historical standard h-ATG/CsA...
Hematopoiesis in 3 dimensions: human and murine bone marrow architecture visualized by confocal microscopyTomoiku Takaku
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Blood 116:e41-55. 2010..The technique should be generally adaptable for basic laboratory investigation and for clinical diagnosis of hematologic diseases...
Distinct EBV and CMV reactivation patterns following antibody-based immunosuppressive regimens in patients with severe aplastic anemiaPhillip Scheinberg
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, 10 Center Drive, Bethesda, MD 20892, USA
Blood 109:3219-24. 2007....
Granulocyte colony-stimulating factor preferentially stimulates proliferation of monosomy 7 cells bearing the isoform IV receptorElaine M Sloand
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Proc Natl Acad Sci U S A 103:14483-8. 2006..The abnormal response of monosomy 7 cells to GCSF would be explained by the expansion of undifferentiated monosomy 7 clones expressing the class IV GCSFR, which is defective in signaling cell maturation...
Transcript profile of CD4+ and CD8+ T cells from the bone marrow of acquired aplastic anemia patientsWeihua Zeng
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Exp Hematol 32:806-14. 2004..A variety of cytokines and chemokines active in pathophysiologic cells likely play important roles in the recruitment and activation of lymphocytes to cytotoxic effectors for marrow hematopoietic target cells in AA...
Genomic instability in bone marrow failure syndromesWilliam G Kearns
Hematology Branch, National Heart, Lung, and Blood Institute/NIH, Building 10, Room 7C103, Bethesda, MD, USA
Am J Hematol 76:220-4. 2004..We conclude that undetected aneuploidy exists in marrow cells of a significant percentage of patients with bone marrow failure syndromes...
Is there a direct effect of antithymocyte globulin on hematopoiesis?Guibin Chen
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Hematol J 5:255-61. 2004..In summary, the spectrum of effects of ATG on hematopoietic progenitors is dependent upon the concentrations of ATG and may not be related to its antigenic specificity...
Horse versus rabbit antithymocyte globulin in acquired aplastic anemiaPhillip Scheinberg
Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD, USA
N Engl J Med 365:430-8. 2011..Although horse ATG is the standard therapy, rabbit ATG is more potent in depleting peripheral-blood lymphocytes and is preferred in other clinical circumstances...
The role of the Th1 transcription factor T-bet in a mouse model of immune-mediated bone-marrow failureYong Tang
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Blood 115:541-8. 2010..Our data provided fresh evidence demonstrating a critical role of T-bet in immune-mediated BM failure...
Human telomere disease due to disruption of the CCAAT box of the TERC promoterAnna M Aalbers
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Blood 119:3060-3. 2012..We propose that current mutation-screening strategies should include gene promoter regions for the diagnosis of telomere diseases. This clinical trial was registered at www.clinicaltrials.gov as #NCT00071045...
Activity of alemtuzumab monotherapy in treatment-naive, relapsed, and refractory severe acquired aplastic anemiaPhillip Scheinberg
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Blood 119:345-54. 2012..We conclude that alemtuzumab is effective in SAA, but best results are obtained in the relapsed and refractory settings. The present trials were registered at www.clinicaltrials.gov as NCT00195624, NCT00260689, and NCT00065260...
Long-term outcome of pediatric patients with severe aplastic anemia treated with antithymocyte globulin and cyclosporinePhillip Scheinberg
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
J Pediatr 153:814-9. 2008....
Overcoming graft rejection in heavily transfused and allo-immunised patients with bone marrow failure syndromes using fludarabine-based haematopoietic cell transplantationRamaprasad Srinivasan
Urologic Oncology Branch, National Cancer Institute, Bethesda, MD, USA
Br J Haematol 133:305-14. 2006..These data show that HCT following fludarabine-based non-myeloablative conditioning results in durable engraftment and excellent survival in SAA and PNH patients at high risk for graft rejection...
MHC class II upregulation and colocalization with Fas in experimental models of immune-mediated bone marrow failureAndrew J Erie
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Exp Hematol 39:837-49. 2011..To test the hypothesis that γ-interferon (IFN-γ) promotes major histocompatibility complex (MHC) class II expression on bone marrow (BM) cell targets that facilitate T-cell-mediated BM destruction in immune-mediated BM failure...
Association of telomere length of peripheral blood leukocytes with hematopoietic relapse, malignant transformation, and survival in severe aplastic anemiaPhillip Scheinberg
Hematology Branch, National Heart, Lung, and Blood Institute, 10 Center Dr, Bldg 10 CRC, Room 3 5140, MSC 1202, Bethesda, MD 20892 1202, USA
JAMA 304:1358-64. 2010..Variations in telomere length have been reported in severe aplastic anemia but their clinical significance is unknown...
Defective stromal cell function in a mouse model of infusion-induced bone marrow failureJichun Chen
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Exp Hematol 33:901-8. 2005..To study bone marrow (BM) stromal damage in a mouse model of infusion-induced BM failure...
Granulocyte transfusions in severe aplastic anemia: an eleven-year experienceKaren Quillen
Department of Transfusion Medicine, Warren G Magnuson Clinical Center, National Institutes of Health, Bethesda, MD, USA
Haematologica 94:1661-8. 2009..Infections, particularly those caused by invasive fungi, are a major cause of death in patients with severe aplastic anemia. The purpose of this study was to analyze our experience with granulocyte transfusions in such patients...
Lymphocytes with aberrant expression of Fas or Fas ligand attenuate immune bone marrow failure in a mouse modelStephanie O Omokaro
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
J Immunol 182:3414-22. 2009....
Elevated circulating endothelial membrane microparticles in paroxysmal nocturnal haemoglobinuriaJan Simak
Laboratory of Cellular Hematology, Division of Hematology, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, MD, USA
Br J Haematol 125:804-13. 2004..Analysis of circulating ECMP appears promising to provide useful information on the status of the vascular endothelium in PNH and SCD...
Antithymocyte globulin and cyclosporine for severe aplastic anemia: association between hematologic response and long-term outcomeStephen Rosenfeld
Hematology Branch, Bldg 10, National Heart, Lung, and Blood Institute, Bethesda, MD, USA
JAMA 289:1130-5. 2003..These outcomes were related to the quality of hematologic recovery...
In-vivo dominant immune responses in aplastic anaemia: molecular tracking of putatively pathogenetic T-cell clones by TCR beta-CDR3 sequencingAntonio M Risitano
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Lancet 364:355-64. 2004..In most cases, no obvious aetiological factor can be identified. However, clinical responses to immunosuppression strongly suggest an immune pathophysiology...
Transfer of glycosylphosphatidylinositol-anchored proteins to deficient cells after erythrocyte transfusion in paroxysmal nocturnal hemoglobinuriaElaine M Sloand
Hematology Branch, National Heart, Lung, and Blood Institute, Department of Transfusion Meidcine, Clinical Center, National Instittues of Health, Bethesda, MD 20892, USA
Blood 104:3782-8. 2004..Increased surface CD59 was measured on recipient red cells and granulocytes 1, 3, and 7 days following transfusion in all 6 patients. Our data suggest a potential therapeutic role for GPI-anchored protein transfer for severe PNH...
A spectrum of severe familial liver disorders associate with telomerase mutationsRodrigo T Calado
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, United States of America
PLoS ONE 4:e7926. 2009..Here, we sought to determine the spectrum of clinical manifestations associated with telomerase loss-of-function mutations...
Interphase Chromosome Flow-FISHKeyvan Keyvanfar
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Blood 120:e54-9. 2012..IC Flow-FISH allows for detecting monosomy 7 without requiring bone marrow procurement or the necessity of metaphase spreads, and wider applications to other chromosomal abnormalities are in development...
Directed therapy for patients with myelodysplastic syndromes (MDS) by suppression of cyclin D1 with ON 01910.NaMatthew J Olnes
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Leuk Res 36:982-9. 2012..Knockdown" of cyclin D1 by RNA interference decreased trisomy 8 cell growth, suggesting that this might be a therapeutic target in MDS...
Sex hormones, acting on the TERT gene, increase telomerase activity in human primary hematopoietic cellsRodrigo T Calado
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Blood 114:2236-43. 2009..These findings have potential implications for the choice of current androgenic compounds and the development of future agents for clinical use...
Telomere length is inherited with resetting of the telomere set-pointY Jeffrey Chiang
Experimental Immunology Branch, National Cancer Institute, Hematology Branch, National Heart, Lung and Blood Institute, and National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
Proc Natl Acad Sci U S A 107:10148-53. 2010..These findings suggest that the set point of telomere lengths of offspring is determined by the telomere lengths of their parents in the presence of normal expression of telomerase...
Deficient CD4+ CD25+ FOXP3+ T regulatory cells in acquired aplastic anemiaElena E Solomou
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Blood 110:1603-6. 2007..Our findings indicate that decreased NFAT1 could explain low FOXP3 expression and diminished Treg frequency in aplastic anemia. Treg defects are now implicated in autoimmune marrow failure...
Increased soluble urokinase plasminogen activator receptor (suPAR) is associated with thrombosis and inhibition of plasmin generation in paroxysmal nocturnal hemoglobinuria (PNH) patientsElaine M Sloand
National Heart Lung and Blood Institute, Hematology Branch, Office of Biostatistics Research, Division of Prevention and Population Sciences, National Institutes of Health, Bethesda, MD 20892 1260, USA
Exp Hematol 36:1616-24. 2008..We hypothesized that suPAR, prevents the interaction of urokinase with membrane-anchored uPAR on residual normal cells...
VP1u phospholipase activity is critical for infectivity of full-length parvovirus B19 genomic clonesClaudia Filippone
Hematology Branch, National Heart, Lung, and Blood Institute, National Institute of Health, Bethesda, MD 20892, USA
Virology 374:444-52. 2008..Investigation of the original serum from which pB19-FL was cloned confirmed that the phospholipase mutation was present in the native B19 virus...
Decreased TCR zeta-chain expression in T cells from patients with acquired aplastic anaemiaElena E Solomou
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Br J Haematol 138:72-6. 2007..We concluded that TCR zeta-chain expression was decreased in the majority of patients with aplastic anaemia, regardless of disease activity or treatment status...
Long-term follow-up of patients with moderate aplastic anemia and pure red cell aplasia treated with daclizumabElaine M Sloand
National Heart Lung and Blood Instititute, NIH, Bethesda, MD 20892, USA
Haematologica 95:382-7. 2010....
Paroxysmal nocturnal hemoglobinuria clones in severe aplastic anemia patients treated with horse anti-thymocyte globulin plus cyclosporinePhillip Scheinberg
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, 20892 1202, USA
Haematologica 95:1075-80. 2010..Flow cytometry has allowed for sensitive and precise measurement of glycosylphosphatidylinositol-anchor protein-deficient red blood cells and neutrophils in severe aplastic anemia...
Cytokine signature profiles in acquired aplastic anemia and myelodysplastic syndromesXingmin Feng
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Haematologica 96:602-6. 2011..Future studies focusing on cytokines that better discriminate these two entities such as thrombopoietin and chemokine (C-C motif) ligand 3 may be useful tools in clinical practice...
Age-dependent accumulation of mtDNA mutations in murine hematopoietic stem cells is modulated by the nuclear genetic backgroundYong Gang Yao
Hematology Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Hum Mol Genet 16:286-94. 2007....
T-cell immune responses to Wilms tumor 1 protein in myelodysplasia responsive to immunosuppressive therapyElaine M Sloand
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Blood 117:2691-9. 2011..Thus, our results suggest that WT1 is one of the antigens that triggers T cell-mediated myelosuppression in MDS...
Late presentation of dyskeratosis congenita as apparently acquired aplastic anaemia due to mutations in telomerase RNAPatrick F Fogarty
Hematology Branch, National Heart, Lung, and Blood Institute, 10 Center Drive, MSC 1652, Bethesda, MD 20892-1652, USA
Lancet 362:1628-30. 2003....
Alemtuzumab treatment of intermediate-1 myelodysplasia patients is associated with sustained improvement in blood counts and cytogenetic remissionsElaine M Sloand
Hematology Branch, National Heart, Lung, and Blood Institute, Bldg 10 CRC 4 5230, Bethesda, MD 20892, USA
J Clin Oncol 28:5166-73. 2010..Because of the toxicities associated with h-ATG/CsA, we investigated an alternative regimen with alemtuzumab in MDS...
CD34 cells from patients with trisomy 8 myelodysplastic syndrome (MDS) express early apoptotic markers but avoid programmed cell death by up-regulation of antiapoptotic proteinsElaine M Sloand
National Heart Lung and Blood Institute, Bethesda, MD 20892, USA
Blood 109:2399-405. 2007..Knock-down of survivin by siRNA resulted in preferential loss of trisomy 8 cells. These results suggest that trisomy 8 cells undergo incomplete apoptosis and are nonetheless capable of colony formation and growth...
Role of perforin-mediated cell apoptosis in murine models of infusion-induced bone marrow failureAnnahita K Sarcon
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Exp Hematol 37:477-86. 2009..To investigate the role of perforin-mediated cell apoptosis in murine models of immune-mediated bone marrow (BM) failure...
Oligoclonal and polyclonal CD4 and CD8 lymphocytes in aplastic anemia and paroxysmal nocturnal hemoglobinuria measured by V beta CDR3 spectratyping and flow cytometryAntonio M Risitano
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Blood 100:178-83. 2002..As V beta skewing may correlate with relative V beta size, oligoclonality in combination with numerical V beta expansion can be applied to recognition of disease-specific T-cell receptors...
Mutations of the human telomerase RNA gene (TERC) in aplastic anemia and myelodysplastic syndromeHiroki Yamaguchi
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, 10 Center Dr, MSC 1652, Bethesda, MD 20892 1652, USA
Blood 102:916-8. 2003..Another 21 patients with short telomeres did not show TERC mutations. Our results suggest that cryptic DKC, at least secondary to mutations in the TERC gene, is an improbable diagnosis in patients with otherwise typical AA, PNH, and MDS...
Recombinant viral-like particles of parvovirus B19 as antigen carriers of anthrax protective antigenYoji Ogasawara
Hematology Branch, National Heart, Lung and Blood Institute, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA
In Vivo 20:319-24. 2006..These findings suggest that the recombinant VLPs of parvovirus B19 have potential as an additional tool in the development of sub-unit vaccines...
Antithymocyte globulin for treatment of the bone marrow failure associated with myelodysplastic syndromesJeffrey J Molldrem
National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 70892, USA
Ann Intern Med 137:156-63. 2002..Almost half of the deaths that result from myelodysplastic syndromes are due to cytopenia associated with bone marrow failure. Treatment is mostly supportive care...
Superior growth of glycophosphatidy linositol-anchored protein-deficient progenitor cells in vitro is due to the higher apoptotic rate of progenitors with normal phenotype in vivoGuibin Chen
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Exp Hematol 30:774-82. 2002..CONCLUSIONS: These results strongly suggest that clonal expansion of GPI-AP-deficient progenitor cells from PNH patients is due to their selection in the hostile marrow environment of the patient...
Distinct clinical outcomes for cytogenetic abnormalities evolving from aplastic anemiaJaroslaw P Maciejewski
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Blood 99:3129-35. 2002..Although AA patients with monosomy 7 showed a similar prognosis to those with primary MDS, trisomy 8 in AA appears to have a more favorable prognosis than in MDS...
Immunosuppressive treatment of acquired aplastic anemia and immune-mediated bone marrow failure syndromesNeal S Young
Hematology Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda. MD 20892-1652, USA
Int J Hematol 75:129-40. 2002..are under study. Effective therapies for aplastic anemia might also be applied to other T-cell mediated, organ-specific human diseases...
Marked mitochondrial DNA sequence heterogeneity in single CD34+ cell clones from normal adult bone marrowMyung Geun Shin
NIH; 9000 Rockville Pike, Bethesda, MD 20892-1652, USA
Blood 103:553-61. 2004....
Recombinant humanized anti-IL-2 receptor antibody (daclizumab) produces responses in patients with moderate aplastic anemiaJaroslaw P Maciejewski
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, 9000 Rockville Pike, Bethesda, MD 20892, USA
Blood 102:3584-6. 2003..Daclizumab appears safe; its efficacy in this pilot protocol suggests that expanded study of this monoclonal antibody in immune-mediated bone marrow failure syndrome is warranted...
A pilot study of the recombinant soluble human tumour necrosis factor receptor (p75)-Fc fusion protein in patients with myelodysplastic syndromeJaroslaw P Maciejewski
Hematology Branch and Office of Biostatistics Research, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Br J Haematol 117:119-26. 2002..Although anti-TNF therapy with Enbrel was well tolerated at the dosages used in MDS, its efficacy as a single agent appears low...
Changes in T-cell receptor VB repertoire in aplastic anemia: effects of different immunosuppressive regimensHoon Kook
Hematology Branch of the National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Blood 99:3668-75. 2002..Our data indicate that multiple specific clones mediate the immune process in AA...
Prevalence of parvovirus B19 in liver tissue: no association with fulminant hepatitis or hepatitis-associated aplastic anemiaSusan Wong
Virus Discovery Group, Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
J Infect Dis 187:1581-6. 2003..There was a significant increase (P<.1) in the prevalence of variant erythrovirus sequences in livers of patients with HBV or HCV hepatitis, the reason for which is currently unknown...
Acquired aplastic anemiaNeal S Young
National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892-1652, USA
Ann Intern Med 136:534-46. 2002..However, recovery of blood cell count is often incomplete, recurrent pancytopenia requires retreatment, and some patients develop late complications (especially myelodysplasia)...
Increased risk for aplastic anemia and myelodysplastic syndrome in individuals lacking glutathione S-transferase genesJoanne F Sutton
Hematology Branch, NHLBI, NIH, Bethesda, MD, USA
Pediatr Blood Cancer 42:122-6. 2004..An absence of the glutathione S-transferase (GST) enzyme may genetically predispose individuals to AA or MDS...
Mitochondrial DNA mutations in patients with myelodysplastic syndromesMyung Geun Shin
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Blood 101:3118-25. 2003....
In vitro and in vivo evidence of PNH cell sensitivity to immune attack after nonmyeloablative allogeneic hematopoietic cell transplantationYoshiyuki Takahashi
Hematology Branch and Flow Cytometry Core Facility, National Heart, Lung, and Blood Institute, National Institutes of Health, 9000 Rockville Pike, Bethesda, MD 20892-1652, USA
Blood 103:1383-90. 2004..These in vitro and in vivo studies show PNH cells can be immunologically eradicated following nonmyeloablative HCT. Relative to normal cells, no evidence for a decreased sensitivity of PNH cells to T-cell-mediated immunity was observed...
Dyskeratosis congenita: the first NIH clinical research workshopSharon A Savage
Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, Maryland 20892, USA
Pediatr Blood Cancer 53:520-3. 2009..dcoutreach.com/). Ongoing, open collaboration between the clinical, scientific, and family communities is required for continued improvement in our understanding of DC and the clinical consequences of telomeric defects...
Bystander destruction of hematopoietic progenitor and stem cells in a mouse model of infusion-induced bone marrow failureJichun Chen
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bldg 10, Rm 7C118, 9000 Rockville Pike, Bethesda, MD 20892 1652, USA
Blood 104:1671-8. 2004..quot; This effect can be partially abrogated by anti-IFN-gamma antibody...
Paroxysmal nocturnal hemoglobinuria: current issues in pathophysiology and treatmentNeal S Young
National Heart, Lung, and Blood Institute, Building 10 CRC, 3E-5140 10 Center Drive, Bethesda, MD 20892-1202, USA
Curr Hematol Rep 4:103-9. 2005..The mechanism of thrombosis in PNH is also obscure, but frequently fatal clotting episodes may be prevented by Coumadin (Bristol-Myers Squibb Pharma Co., Wilmington, DE) prophylaxis...
Parvovirus B19Neal S Young
Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD 20892-1652, USA
N Engl J Med 350:586-97. 2004
Mitochondrial DNA sequence variation in single cells from leukemia patientsYong Gang Yao
Hematology Branch and Flow Cytometry Core Facility, National Heart, Lung, and Blood Institute, NIH Bldg 10 CRC, Rm 3E 5216, 10 Center Dr Bethesda, MD 20892, USA
Blood 109:756-62. 2007..Our results suggest that the somatic mutation process in leukemia is complex, leading to diverse levels of genetic alterations due to either intrinsic aspects of leukemia pathophysiology or chemotherapy effects...
Perforin gene mutations in patients with acquired aplastic anemiaElena E Solomou
Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD 20892, USA
Blood 109:5234-7. 2007..Our data suggest that PRF1 genetic alterations help explain the aberrant proliferation and activation of cytotoxic T cells and may represent genetic risk factors for bone marrow failure...
External contamination in single cell mtDNA analysisYong Gang Yao
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, United States of America
PLoS ONE 2:e681. 2007..External DNA contamination, notoriously difficult to avoid, threatens the integrity of such studies...
Selective reduction of natural killer T cells in the bone marrow of aplastic anaemiaWeihua Zeng
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Br J Haematol 119:803-9. 2002..These results show that NKT cells are profoundly decreased in AA and MDS, and their deficiency may, as in other human autoimmune diseases, play a role in the local immune dysregulation in AA and MDS...
Intracellular interferon-gamma in circulating and marrow T cells detected by flow cytometry and the response to immunosuppressive therapy in patients with aplastic anemiaElaine Sloand
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1652, USA
Blood 100:1185-91. 2002..IFN-gamma is increased in the PB lymphocytes of many patients with AA, and these cells decline with therapy. The presence of intracellular IFN-gamma may predict response to immunosuppressive treatment and also the onset of relapse...
Predicting response to immunosuppressive therapy and survival in severe aplastic anaemiaPhillip Scheinberg
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1202, USA
Br J Haematol 144:206-16. 2009..In the era of IST, the baseline ARC and ALC together serve as a simple predictor of response following IST, which should guide in risk stratification among patients with SAA...
The relationship of aplastic anemia and PNHNeal S Young
Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD, USA
Int J Hematol 76:168-72. 2002....
Natural history of pulmonary fibrosis in two subjects with the same telomerase mutationSouheil El-Chemaly
Cardiovascular and Pulmonary Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Chest 139:1203-9. 2011..TRIAL REGISTRY: ClinicalTrials.gov; No.: NCT00071045; URL: www.clinicaltrials.gov...
Genetic variation in telomeric repeat binding factors 1 and 2 in aplastic anemiaSharon A Savage
Section of Genomic Variation, Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892 4605, USA
Exp Hematol 34:664-71. 2006..Abnormal telomere shortening has been observed in a subset of individuals with aplastic anemia (AA). We hypothesized that genetic variation in two genes critical in telomere biology, TERF1 and TERF2, could be a risk factor for AA...
Telomere maintenance and human bone marrow failureRodrigo T Calado
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Blood 111:4446-55. 2008....
HLA-DR15 (DR2) is overrepresented in myelodysplastic syndrome and aplastic anemia and predicts a response to immunosuppression in myelodysplastic syndromeYogen Saunthararajah
University of Illinois at Chicago, USA
Blood 100:1570-4. 2002..008). In MDS with RA, DR15 may be useful as a guide to pathophysiology, prognosis, and treatment...
Multiple antigenic peptides as vaccine platform for the induction of humoral responses against dengue-2 virusGeorgios Amexis
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
Viral Immunol 20:657-63. 2007..Seven neutralizing DEN-2 epitopes were identified that generated PRNT50 titers of up to 1:160. Our findings show that the MAP platform can be used as an antigen-presenting platform for dengue vaccine development...
Gene expression profiling in CD34 cells to identify differences between aplastic anemia patients and healthy volunteersWeihua Zeng
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Blood 103:325-32. 2004..Many of the genes showing differential expression in AA deserve further detailed analysis, including comparison with other marrow failure states and autoimmune disease...
Cytogenetic abnormalities in paroxysmal nocturnal haemoglobinuria usually occur in haematopoietic cells that are glycosylphosphatidylinositol-anchored protein (GPI-AP) positiveElaine M Sloand
Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1652, USA
Br J Haematol 123:173-6. 2003..These findings suggest that environmental factors, but not genetic instability of the GPI-AP-deficient clone, foster development or survival of haematopoietic cells with chromosomal abnormalities...
Molecular analysis of TCR clonotypes in LGL: a clonal model for polyclonal responsesMagdalena Plasilova
Experimental Hematology and Hematopoiesis Section, and Hematopathology Section, Cleveland Clinic Foundation, Cleveland, OH 44195, USA
J Immunol 172:1960-9. 2004....
