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Zhongguo Shi Yan Xue Ye Xue za Zhi

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https://www.readbyqxmd.com/read/29950248/-senescent-mesenchymal-stem-cells-contribute-to-progression-of-myelodysplastic-syndromes-review
#1
Yan-Bin Pang, Wen-Wen Li, Jian-Min Luo, Jing Ji, Xin DU
Myelodysplastic syndromes (MDS) comprise a group of malignant hematopoietic stem cell (HSC) disorders characterized by ineffective hematopoiesis. The risk of transformation to acute myeloid leukemia (AML) is increasing. The initiating event in HSC of MDS leads to a growth advantage and subsequent clonal expansion, that is still poorly understood. Accumulating data indicate that the mesenchymal stem cells(MSCs) in MDS model display aberrant characteristics contributing to disease initiation and transformation into AML...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950247/-research-progress-on-the-role-of-pyroptosis-in-the-pathogenesis-of-myelodysplastic-syndrome-review
#2
Ying Lin, Qing-Ping Gao, Bai-Xin Ye
Pyroptosis is a novel type of programmed cell death, which is closely related with the pathogenesis of myelodysplastic syndromes (MDS). The recent studies showed that all of S100A9/TLR4, S100A9/CD33 and Nox/ROS signaling pathways can activate oxygen-sensitivity NLRP3 inflammasome and then induce the pyroptosis of hematopoeitic stem cells (HSC) / hematopeitic pregenitor cells (HPC), resulting in ineffective hematopoiesis in patients with MDS. Further studies on the role and molecular mechanism of pyroptosis in the pathogenesis of MDS will provide the potential opportunity for the diagnosis and treatment of MDS...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950246/-application-development-of-blood-irradiation-indicator-review
#3
Ke-Zhong Shen, Han-Hui Xu, Ming-Hui Wang
Transfusion-associated graft-versus-host disease (TA-GVHD) is known as one of common complications of blood transfusion. The blood irradiation is generally accepted as a proven method to prevent from this disease, for the reason that it makes lymphocytes inactivated in blood products. The blood irradiation indicator provides a guarantee of proper radiation dose, thus improving the transfusion safety. Though widely used in developed countries for decades, the blood irradiation indicator is still in the initial stage in our country...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950245/-research-progress-of-desialylation-in-immune-thrombocytopenia-review
#4
Jing-Yao Ma, Zhen-Ping Chen, Hao Gu, Ling-Ling Fu, Run-Hui Wu
Some patients diagnosed as immune thrombocytopenia(ITP) have poor response to common first-line therapy such as corticosteroid and immunoglobulin. Studies in recent years have found a FC-independent platelet clearance pathway exists, which is characterized by desialylation of platelet surface glycoprotein(GP), recognition and phagocytosis by Ashwell-Morell receptor(AMR) on hepatocytes, independent on Fc receptors of the reticuloendothelial system. The up-regulation of neuraminidase-1(Neu1) expression on platelet caused by various factors, such as cold storage of platelet, septicemia and ITP could desialylate GPs...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950244/-pd-1-pd-l1-signaling-pathway-and-its-anti-tumor-effect-in-lymphoma-review
#5
Wen-Jing Li, Jing Wang, Xiao-Yan Ke
In tumor patients, programmed cell death-1 (PD-1) can inhibit T-cell activation and proliferation by binding to its ligand, thereby promote tumor immune escape. A large number of experiments showed that PD-L1 molecule highly expressed on lymphoma cells, while PD-1 expression was up-regulated in tumor-infiltrating lymphocytes, suggesting its role in the development of lymphoma, which may be an important therapeutic target for lymphoma. PD-1 and PD-L1 monoclonal antibodies can block the PD-1 / PD-Ls signaling pathway, restore T cell function, thus inhibit the tumor growth...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950243/-research-progress-on-metabolic-regulatory-mechanisms-of-hematopoietic-stem-cells-review
#6
Ya-Wen Zhang, Hui Cheng, Tao Cheng
Hematopoietic stem cells (HSC) are a class of stem cells with self-renewal and multipotent differentiation into a variety of blood cells and are most thoroughly studied, maturely applied in the clinic adult stem cell. Function of HSC is closely associated with metabolic regulation. The metabolic state mainly maintains HSC living in hypoxic bone marrow microenvironment depending on glycolysis for energy metabolism, and keeping low reactive oxygen species (ROS) level. Proteins like Hif-1, FoxO3, ATM, PTPMT1 protect HSC from ROS injury, maintaining HSC in hypoxic state...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950242/-single-center-analysis-of-pathogenic-characteristics-of-lung-candida-infection-and-other-pathogenic-bacteria-infection-in-the-patients-with-hemotological-maliglancies-in-the-tropical-region-of-hainan
#7
Mei-Lu Wang, Hui-Hui Kuang, Long-Can Cheng, Yu-Bing Xu, Ting-Yuan Zhao, Ting Yang, Song-He Xiang, Cheng-Yuan Shu, Ping Yu, Li-Ping Dou, Jian Bo
OBJECTIVE: To analyze the infection characteristics of sputum and venous blood pathogen in the patients with hematological malignancies and respiratory symptom in the Hematology Department in tropical region and to investigate its drug-resistance so as to provide etiological evidence for clinical treatment. METHODS: The pathogens and their drug-resistance of 2466 samples in the patients with hematological malignancies and respiratory symptom in the Department were analyzed retrospectively from January 2013 to November 2017...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950241/-evaluation-of-the-performance-of-two-kinds-of-anti-tp-enzyme-linked-immunosorbent-assay
#8
Nan Gao, Li-Qin Huang, Rui Wang, Jun-Jie Jia, Shuo Wu, Jing Zhang, Hong-Wei Ge
OBJECTIVE: To evaluate the accuracy and precision of 2 kinds of anti-treponema pallidum (anti-TP) ELISA reagents in our laboratory for detecting the anti-TP in voluntary blood donors, so as to provide the data support for use of ELISA reagents after introduction of chemiluminescene immunoassay (CLIA). METHODS: The route detection of anti-TP was performed by using 2 kinds of ELISA reagents, then 546 responsive positive samples detected by anti-TP ELISA were collected, and the infections status of samples confirmed by treponema pallidum particle agglutination (TPPA) test was identified...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950240/-efficacy-and-safety-of-msc-infusion-in-treatment-of-children-with-refractory-lohc-a-clinical-study
#9
Kun-Yin Qiu, Xiong-Yu Liao, Shu-Yi Guo, Hao-Ning Qi, Jing-Jing Lan, Jian-Pei Fang, Ke Huang, Yang Li, Hong-Gui Xu, Dun-Hua Zhou
OBJECTIVE: To study the curative effect and safety of menchymal stem cell infusion in treatment of children with refractory late-onset hemorrhagic cystitis(LOHC) after allogeneic HSCT. METHODS: Thirty cases of children with refractory LOHC after allo-HSCT in our department between December 2010 and July 2016 were analyzed retrospectively, out of 30 cases 7 received MSC treatment. The used MSC of all were four-to-five generation MSC from bone marrows of third party donors, and were infused into patients with (1...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950239/-efficiency-of-inducing-cik-from-cryopreserved-pbmnc-by-using-immune-cell-sr
#10
Dong-Lei Ma, Ke-Jia Lin, Chen Chen, Zong-Ke Wei, Zhi-Zhang Wei, Xiao-Ling Luo, Yu-Huan Wang
OBJECTIVE: To investigate the efficiency of inducing CIK from peripheral blood mononuclear cells(PBMNC) by using immune cell serum replacement(immune cell SR), so as to provide a new strategy for the industrialized production of immune cells. METHODS: The PBMNC of healthy volunteers were collected, and these cells were thawed after short-term cryopreservation and cultured to induce CIK cells. The cells viability was measured by trypan blue exclusion, the phenotypes were analyzed by flow cytometry, and the cytotoxicity was determined by Calcein-AM/PI double staining...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950238/-effect-of-endomorphin-1-on-maturation-and-expression-of-tlr4-in-peripheral-blood-dendritic-cells-induced-by-high-glucose
#11
Chuan-Miao Liu, Tian-Hua Yang, Min Huang, Cheng Zhou, Yong-Hai Li, Zheng-Hong Li
OBJECTIVE: To investigate the effects of endomorphin-1 (EM-1) on the maturation phenotype, cytokine secretion, T cell proliferation and TLR4 expression in human peripheral blood dendritic cells (PBDCs) stimulated and induced by high glucose, and to explore the regulatory mechanism of EM-1 on DC immune function. METHODS: Peripheral blood mononuclear cells (PBMNCs) were induced into immature dendritic cells (imDCs). The high glucose was used as the stimulating factor, and the EM-1 was used as the interventional factor...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950237/-four-cases-of-wernicke-s-encephalopathy-following-hematopoietic-stem-cell-transplantation
#12
Song Xue, Lei Yuan, Hao-Yu Cheng, Yu-Ming Yin, Jiang-Ying Gu, Wei-Jie Zhang, Jing-Bo Wang
OBJECTIVE: To make through introduction of Wernicke's encephalopathy (WE) following hematopoietic stem cell transplantation (HSCT) in terms of clinical characteristics, diagnostic process and treatment. METHODS: The clinical charactaristics, diagnostic and therapeutic process and prognostic follow-up in 4 patients diagnosed of WE following HSCT between January 2016 to January 2017 at Department of Hematology, Chinese Aerospace Center Hospital were retrospectively analyzed...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950236/-relationship-between-nlrp1-and-liver-dysfunction-following-allogeneic-hematopoietic-stem-cell-transplantation
#13
Ming-Feng Li, Lu Liu, Wen Ju, Jian-Lin Qiao, Kai-Lin Xu, Ling-Yu Zeng
OBJECTIVE: To explore the effect of NLRP1 on the liver dysfunction following allogeneic hematopoietic stem cell transplantation(allo-HSCT). METHODS: The mouse model of allo-HSCT was established by using C57BL/6 and NLRP-/- mice were used as the recipients: BABL/c mice were used as donors). The chimera rates of donor's bone marrow cells were assayed by flow cytometry. ALT and AST levels were measured by automatic biochemical analyzer. Western blot was used to detect the expressions of NLRP1, the precursor of Caspase-1 and its active segment p20,IL-1β,IL-18 and MPO in livers...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950235/-effect-of-blocking-pyr-complex-binding-to-dna-site-by-peptide-nucleic-acid-on-%C3%AE-globin-gene-expression
#14
Si-Ying Wang, Jing Lin, Ling Huang, Xing-Mei Liu, Yuan-Yuan Han, Wen-Ping Han, Bang-Quan An, Gui-Fang Li, Sheng-Wen Huang
OBJECTIVE: To investigate the effect of blocking polypyrimidine complex binding to DNA site by using peptide nucleic acid (PNA) on γ-globin gene expression. METHODS: PYR-PNA, β-PNA and RS-PNA (random sequence-PNA) were designed and synthesized, then were transfected into K562 cells with the cationic liposome lipofectamine 2000 used as vector. The expression of γ-globin gene at both the transcriptional and translational level was detected by RT-PCR and the Western blot respectively at 24 h, 48 h and 72 h after transfection with PNAs...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950234/-mutation-rate-and-clinical-characteristics-of-calr-jak2-v617f-and-mpl-w515k-genes-in-patients-with-primary-thrombocythemia
#15
Xiao-Wan Yu, Dong-Hong Huang, Jian-Xin Guo, Yue-Qin Huang, Ruo-Teng Xie, Jun-Feng Cai
OBJECTIVE: To analyze the mutation rate and clinical characteristics of CALR, MPL W515K and JAK2 V617F genes in patients with primary thrombocythemia (PT). METHODS: Fifty-six patients with PT were selected as the research objects in our hospital. The CALR and MPL W515K gene mutations were determined by genomic DNA-PCR direct sequencing of the PCR products, and the JAK2 V617F gene mutation was detected by allele specific PCR method. RESULTS: Among the 56 patients with PT there were 14 cases of CALR gene mutation with the incidence rate of 25%, including 6 cases of type I, 5 cases of type II and 3 cases of type III...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950233/-changes-of-il-21-and-its-mediated-jak-stat-signaling-pathway-in-patients-with-immune-thrombocytopenia
#16
Qian Zhang, Hai Bai, Xiao-Hui Yu, Bing Wu, Yao-Zhu Pan, Cun-Bang Wang, Li-Ping Zhao, Wen-Bo Li, Feng Xu, Jun Zhang
OBJECTIVE: To explore the correlation between JAK/STAT signaling pathways and pathogenesis of immune thrombocytopenia(ITP). METHODS: Twenty-six newly-diagnosed ITP patients was included in this study. They all meet the clinical and hematological criteria for the diagnosis of ITP, and patients with coronary heart disease, severe refractory hypertension, diabetes or with severe liver or kidney function incompetence were ruled out. 24 healthy control without autoimmune diseases, viral infectious diseases and with normal liver and kidney functions were also included...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950232/-as-2-o-3-up-regulates-the-proportion-of-cd4-cd25-cd127-low-tregs-in-peripheral-blood-of-patients-with-severe-aplastic-anemia
#17
Juan-Juan Zhao, Shi-Wei Yang, Fang Zhang, Xiao-Li Yuan, Zun-Min Zhu, Bai-Jun Fang, Yong-Ping Sony
OBJECTIVE: To investigate the effect of ATO on the proportion of Treg in the peripheral blood of patients with severe aplastic anemia (SAA) in vitro. METHODS: The peripheral blood of 20 newlydiagnosed patients were collected, and the peripheral blood monomuclear cells (PBMNC) were extracted. After the PBMNC were treated with ATO of different concentrotions (0, 1, 2.5 and 5 µmol/L) for 96 hours, the proportion of CD44+ CD25+ CD127low regulatatory T cells (Treg) were detected by flow cytometry...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950231/-expression-of-insulin-like-growth-factor-recepter-type-i-in-cd34-cells-of-patients-with-myelodysplastic-syndromes
#18
Qing-Xia Zhang, Qi He, Juan Guo, Feng Xu, Zheng Zhang, Lian-Ping Yang, Chun-Kang Chang
OBJECTIVE: To explore the expression level of insulin-like growth facter (IGF-IR) in CD34+ cells of patients with myelodysplastic syndromes(MDS). METHODS: Flow cytometry was used to detect the expression of IGF-IR in the CD34+ cells of 100 MDS patients and 18 normal controls. RESULTS: The average IGF-IR expression level in the CD34+ cells of 100 MDS patients (41.0±28.1)% was statistically and significantly elevated in comparison with the corresponding level in normal controls(4...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950230/-clinical-analysis-of-driver-mutations-in-patients-with-ph-negative-myeloproliferative-neoplasms
#19
Zhi-Peng He, Hui-Yun Tian, Ming Tan, Yong Wu
OBJECTIVE: To explore the relationship between driver mutations and clinical characteristics in patients with Philadelphia chromosome (Ph) negative myeloproliferative neoplasms (MPN), so as to provide evidence for diagno-sis and treatment of the disease. METHODS: The clinical data of 410 patients with classic Ph negative MPN including 150 cases of polycythemia vera (PV), 188 cases of essential thrombocythemia (ET) and 72 cases of primary myelofibrosis (PMF) from January 2013 to December 2016 in Fujian Medical University Union Hospital were retrospectively analyzed...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29950229/-clinical-efficacy-and-safety-of-different-doses-of-dexamethasone-combined-with-bortezomib-and-thalidomide-for-treating-patients-with-multiple-myeloma
#20
Chang-Sheng Li, Ye Ji, Wan-Ping Zhang, Li-Ping Fu
OBJECTIVE: To study the clinical efficacy and safety of dexamethasone of different doses combined with bortezomib and thalidomide for treatment of primary multiple myeloma. METHODS: Ninety-six patients with multiple myeloma from January 2013 to January 2014 were randomly divided into group A (high-dose dexamethasone + bortezomib + thalidomide, 32 cases), group B (low-dose dexamethasone + bortezomib + thalidomide, 32 cases) and group C (placebo + bortezomib + thalidomide, 32 cases)...
June 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
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