Publications by authors named "Mei-Li Ge"

Objective: To evaluate the expression level of melatonin and its effects on immune function in aplastic anemia (AA) patients.

Methods: The enzyme-linked immunosorbent assay (ELISA) was used to detect the plasma levels of melatonin in AA patients, and the correlation between melatonin levels and laboratory indexs was analyzed. The activation, proliferation, and apoptosis of T cells from AA patients were analyzed by flow cytometry with or without melatonin .

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Objective: To explore the difference of lymphocyte subsets in peripheral blood (PB) between aplastic anemia (AA) and hypoplastic myelodysplastic syndrome (hypo-MDS) patients, meanwhile to compare the clinical parameters obtained from PB and bone marrow (BM).

Methods: The lymphocyte subsets in hypo-MDS (=25) and AA (=33) patients were investigated by flow cytometry. Meanwhile, the differences in PB cell counts, biochemical indicators, BM cell counts and abnormal chromosomes between the two groups were analyzed.

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Objective To investigate the vascularization ability of mesenchymal stem cells(MSCs)and explore its influencing factors in aplastic anemia(AA) patients. Methods MSCs were isolated from the bone marrow of AA patients(AA MSCs) and normal controls(N MSCs) were cultured and then evaluated by flow cytometry and immunofluorescene staining technique.The expression level of vascular cell adhesion molecule-1(CD106) was detected by gene sequencing,and the content and fluorescene intensity of CD106MSCs was determined by fluorescence-activated cell sorting.

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Objective: To detect the expression of miRNA in de novo and complete response SAA patients and predict the targets of the miRNAs.

Methods: The expression profiles of miRNA from bone marrow mononuclear cells of the SAA patients with de novo and CR were detected by miRNA microarray.

Results: Totally 35 up-regulated and 37 down-regulated miRNA were identified in CR SAA patients in comparison with de novo SAA patients.

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Objective: To explore the clinical characteristic, therapeutic efficacy and prognosis of patients with hepatitis-associated aplasitc anemia (HAAA).

Methods: the clinical data and labrotatory examination results of 30 cases of HAAA were analyzed retrospectively, the 6-month response ratio and overall survival (OS) were assessed.

Results: HAAA most commonly occured in males, with the occurence rate of males and females was 4:1, the median onset age was 16 (4-43) years old, HAAA oriented focus on sever aplastic anemia (SAA)(4 cases,13%) and very sever aplastic anemia (VSAA)(22 cases,73%).

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Objective: To investigate the clinical characteristics and gene mutations of patients with Gilbert syndrome complicated with myeloproliferative neoplasms (MPN).

Methods: Peripheral blood samples from 1 patient with Gilbert syndrome complicated with MPN and his son were collected to analyse all exon mutations of UGT1A1 gene.

Results: The patient with leukocytosis, thrombocythemia, mild anemia and positive JAK2/V617F mutation was initially diagnosed as MPN.

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Objective: To investigate the clinical characteristics of Chinese patients with paroxysmal nocturnal hemoglobinuria (PNH).

Methods: The clinical data of 70 adult PNH cases in our hospital from January 2000 to December 2009 were analyzed retrospectively, and the clinical manifestation, laboratory examination, treatment, complications and prognostic factors influencing survival rate were assessed.

Results: The nosopoietic median age of 70 cases(41 male cases and 29 female cases) was 37 (18-73) years old.

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Objective: To investigate the abnormalities of iron metabolism, the prevalence and risk factors of iron overload and clinical characteristics of patients with aplastic anemia (AA).

Methods: A cross-sectional study was conducted on 520 newly diagnosed AA patients.

Results: Iron overload was observed in 66(13%) of 520 AA patients,in which a higher prevalence of iron overload was seen not only in patients with infections(19/86, 22%)than those without infections (47/434, 11%, P<0.

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Objective: To analyze the clinical characteristics and risk factors on responses and survival of myelodysplastic syndromes (MDS) patients with paroxysmal nocturnal hemoglobinuria (PNH) clones.

Methods: The clinical data of 31 MDS cases with PNH clones from October 2004 to June 2012 were retrospectively analyzed to reveal the influence of PNH clone size on responses and survival.

Results: ①The chromosome karyotypes were analyzed in all patients, 23 patients with normal karyotype, 7 patients with abnormal karyotype [including 3 patients with +8, 2 -Y, 1 del(7q) and 1 Xp+] and 1 patient with no mitosis.

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Objective: To assess the short term curative efficacy and long-term survival outcomes of severe aplastic anemia patients following antithymocyte globulin/lymphoglobulin (ATG/ALG) with or without cyclosporine (CsA).

Methods: A total of 345 cases hospitalized in our hospital between December 1982 and June 2011 were enrolled into this study. We assessed the response rates 3 and 6 months after ATG/ALG, and estimated the overall survival (OS) by Kaplan-Meier method for this cohort of patients.

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Objective: To explore the clinical significance of evolution of paroxysmal nocturnal hemoglobinuria (PNH) clones in aplastic anemia (AA) patients.

Methods: The positive rate of PNH clones in 678 AA cases at first diagnosis from January 2002 to December 2009 were analyzed, and to compare the response rate and overall survival (OS) between AA patients with or without PNH clones. All patients were sequentially followed-up to assess the incidence rate and risk factors for AA evolving to overt PNH.

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Objective: To assess the incidence and risk factors for evolution of acquired aplastic anemia (AA) into myelodysplastic syndrome/acute myeloid leukemia (MDS/AML).

Method: A total of 1003 AA patients hospitalized in our institute hospital between January 1991 and December 2009 enrolled into this study. The incidence and risk factors for AA developing MDS/AML by the Kaplan-Meier method and Cox proportional hazards models, respectively.

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Objective: To explore the effects of stem cell factor (SCF) on proliferation, transmigration, capillary tube formation of human umbilical vein endothelial cells (HUVEC) and on the chemotaxis of CD133(+) cells.

Methods: In the presence of blank control, SCF, vascular endothelial growth factor (VEGF), anti-human SCF (anti-SCF) or human IgG, the difference in proliferation capacity of HUVEC was analyzed by MTT and CCK-8 methods, and wound scratch assay and three-dimensional in vitro Matrigel assay were used for transmigration and capillary tube formation of HUVEC, respectively. In addition, the chemotaxis of CD133(+) cells sorted from human umbilical cord blood by flow cytometry was investigated by Transwell migration assay.

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Objective: To compare the efficacy and safety of two different regimens with recombinant human granulocyte colony-stimulating factor (rhG-CSF) combined with intensified immunosuppressive therapy (IIST) in severe aplastic anemia (SAA).

Methods: Retrospectively analyzed 176 SAA treated with IIST and rhG-CSF in our hospital from March 1994 to December 2007. Regimen A (Group A, n = 96), rhG-CSF 300 µg/d was initiated on day 31 after IIST and subcutaneously administered 1-3 days a week for 3 months.

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