1.Value of Detecting Peripheral Blood Cell Morphology Combined with EBV-DNA Quantity in the Initial Diagnosis for Infants Patients with Infectious Mononucleosis
Bo XIAO ; Jine MAO ; Wanxin CHEN
Journal of Modern Laboratory Medicine 2016;31(3):114-116,120
Objective To evaluate the value of detecting abnormal lymphocyte morphology in peripheral blood and Epstein Barr Virus(EBV)DNA quantity through real-time quantitative PCR (RT-qPCR)in the initial diagnosis for infants patients with infectious mononucleosis (IM).Methods From Jan.2013 to Dec.2014 212 infants patients with IM were analysed ret-rospectively,which were all in-patients in the hospital.The abnormal lymphocyte morphology in peripheral blood and Epstein Barr Virus (EBV)DNA quantity were both detected in the initial fever period and a week later.The latter was detected by real-time quantitative PCR (RT-qPCR),combined with all the symptoms were all analysed comprehensively.The percentage of abnormal lymphocyte more than 10% was positive,and the EBV-DNA quantity more than 1.0×103 copy per ml was posi-tive,too.Results Of all the infants patients,in the initial fever period,82 patients had more than 10% positive abnormal lymphocyte and 100 patients had positive EBV-DNA quantity.But a week later,156 patients had more than 10% positive ab-normal lymphocyte,the maximum abnormal lymphocyte was 56%.And 180 patients had positive EBV-DNA quantity.When both abnormal lymphocyte morphology in peripheral blood and Epstein Barr Virus (EBV)DNA quantity were detected,in the initial fever period,125 patients were positive,it rose significantly more than that of abnormal lymphocyte morphology in peripheral blood (χ2=17.45,P<0.01),and that of Epstein Barr Virus (EBV)DNA quantity,too (χ2=5.92,P<0.05). But a week later,190 patients were positive,it rose significantly more than that of abnormal lymphocyte morphology in pe-ripheral blood (χ2=18.16,P<0.01).There was no significantly rising more than that of Epstein Barr Virus (EBV)DNA quantity (χ2=2.12,P>0.05).Conclusion The detecting of peripheral blood cell morphology combined with EBV-DNA
quantity are very important in the initial diagnosis for infants patients with infectious mononucleosis.Including all the symp-toms,they could improve the diagnosis timely and accurately.
2.Rehabilitation training on the sensory dysfunction after stroke
Bo YAO ; Xiao-Ming HUANG ; Xiao-Mao JIANG ; Wen-Jing HUO ;
Chinese Journal of Physical Medicine and Rehabilitation 2003;0(05):-
Objective To investigate the effect of rehabilitation training on the sensory dysfunction after stroke.Methods Fifty three stroke patients with sensory dysfunction were randomly divided into 2 groups:a con- trol group and a treatment group.The control group composed of 25 patients was intervened with conventional treat- ment,while the treatment group composed of 28 patients with sensory training in addition to the conventional treat- ment.The effect of rehabilitation training of the two groups was evaluated by Fugl-Meyer Assessment (FMA) before and afer treatment.Results The FMA scores of patients of both groups increased significantly after 2 months of treatment (P
3.Constructing Support Vector Machine Ensembles for Cancer Classification Based on Proteomic Profiling
Mao YONG ; Zhou XIAO-BO ; Pi DAO-YING ; Sun YOU-XIAN
Genomics, Proteomics & Bioinformatics 2005;3(4):238-241
In this study, we present a constructive algorithm for training cooperative support vector machine ensembles (CSVMEs). CSVME combines ensemble architecture design with cooperative training for individual SVMs in ensembles. Unlike most previous studies on training ensembles, CSVME puts emphasis on both accuracy and collaboration among individual SVMs in an ensemble. A group of SVMs selected on the basis of recursive classifier elimination is used in CSVME, and the number of the individual SVMs selected to construct CSVME is determined by 10-fold cross-validation. This kind of SVME has been tested on two ovarian cancer datasets previously obtained by proteomic mass spectrometry. By combining several individual SVMs, the proposed method achieves better performance than the SVME of all base SVMs.
4.Effects of rhubarb on the intestinal barrier function of patients with acute myocardial infarction-heart.
Xiao-bo MAO ; Shi-qi WANG ; Yi MAO
Chinese Journal of Integrated Traditional and Western Medicine 2012;32(8):1046-1050
OBJECTIVETo clarify the intestinal barrier function (IBF) state of patients with acute myocardial infarction-heart failure (AMI-HF), and to compare the therapeutic effects of rhubarb and Pantoprazole (proton pump inhibitor).
METHODSEnrolled were 107 AMI patients from ICU, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology from May 2008 to April 2010. Of them, 47 AMI patients without HF were recruited as the control group, while 60 AMI-HF patients were randomly assigned to the rhubarb group (30 cases, treated by rhubarb + Pantoprazole) or the Pantoprazole group (30 cases, treated by Pantoprazole + routine treatment). All patients were treated till the 14th day of the onset. The fecal occult blood (FOB) test was performed daily. The occurrence of the digestive tract hemorrhage on the 14th day after onset was compared. The N-terminal pro-brain natriuretic peptide (NT-proBNP), serum D-lactic acid, plasma glutamine (Gln), endotoxin and cytokines [high sensitive C reaction protein (hsCRP), tumor necrosis factor-alpha (TNF-alpha), interleukin-10 (IL-10)], and heart function were compared among the three groups before and after treatment.
RESULTSThere was no statistical difference in the case number of using aspirin, clopidogel, low molecular weight heparin, ACEI/ARB, statins, insulin, and antibiotics among the 3 groups. The case number of using beta-blocker was obviously lower in the two medication groups than in the control group (P < 0.05). The case number of using diuretics was obviously higher in the two medication groups than in the control group (P < 0.05). There was no statistical difference in the incidence of digestive tract hemorrhage (P = 0.413). Compared with the control group before treatment, Gln and ejection fraction (EF) were both lowered, NT-proBNP, D-lactic acid, endotoxin, hsCRP, TNF-alpha, and IL-10 increased in the two medication groups (P < 0.01). There was no statistical difference in each index between the two medication groups (P > 0.05). Compared with before treatment, NT-proBNP, D-lactic acid, endotoxin, hsCRP, TNF-alpha, and IL-10 decreased in the Pantoprazole group (P < 0.01), and no obvious change in Gin or EF was found (P > 0.05). Gin and EF increased in the rhubarb group after treatment, and they were higher than those of the control group. Blood NT-proBNP, D-lactic acid, endotoxin, hsCRP, TNF-alpha, and IL-10 decreased in the rhubarb group after treatment, showing statistical difference when compared with the control group (P < 0.01, P < 0.05).
CONCLUSIONSImpaired IBF and endotoxemia existed in AMI-HF patients. Rhubarb not only could prevent the digestive tract hemorrhage, but also could reduce endotoxemia, inhibit inflammatory reactions, and improve the heart function through ameliorating the IBF.
2-Pyridinylmethylsulfinylbenzimidazoles ; therapeutic use ; Aged ; Endotoxins ; blood ; Female ; Glutamine ; blood ; Heart Failure ; complications ; physiopathology ; therapy ; Humans ; Interleukin-10 ; blood ; Lactic Acid ; blood ; Male ; Middle Aged ; Myocardial Infarction ; complications ; physiopathology ; therapy ; Natriuretic Peptide, Brain ; blood ; Peptide Fragments ; blood ; Proton Pump Inhibitors ; therapeutic use ; Rheum ; Tumor Necrosis Factor-alpha ; blood
5.Changes and significance of CD4 + CD25 + regulatory T cells in γ-ray irradiated mice
Li DU ; Qiong MA ; Yufang CUI ; Rong SUN ; Xiujie PAN ; Ling XIE ; Bo DONG ; Fengjun XIAO ; Zhuangzhuang GAO ; Jianping MAO
Chinese Journal of Radiological Medicine and Protection 2011;31(1):21-24
Objective To observe the effect of γ-ray irradiation on CD4 + CD25 + regulatory T cells (Tregs),and to investigate the mechanism of immune injury induced by irradiation.Methods The thymus and spleen of C57BL/6 mice were taken and weighted 1-28 d after γ-ray irradiation,and the organ coefficients were calculated.The amount of mouse peripheral WBC measured,CD4 + T cells and Tregs in peripheral and splenic were analyzed by flow cytometry.Results Coefficients of mouse thymus and spleen decreased significantly 1 d post irradiation,and reached to the bottom at 7 d.Coefficients did not recover to control level 28 d after radiation.Peripheral WBC continuously decreased and reached the bottom at 7 d,and did not recover to control level up to 28 d postirradiation.Peripheral CD4 + T lymphocyte temporally reduced at 1 d,while it increased at 7 d,and it approached to control level at 28 d after radiation.Splenic CD4 + T cells slightly reduced at 7 d however,they basically maintained as the same level as control 14 d and 28 d after radiation.Peripheral Tregs ascended at 1 d and reached the peak at 7 d,and reduced at 14 d and 28 d postirradiation,although they still were significantly higher than those of control group.At the same time,splenic Tregs increased significantly and achieved peak value at 1 d,and then gradually decreased and reached the minimum at 28 d after irradiation,which were significantly lower than those of control group( t =2.731,P < 0.05).Conclusions Mouse thymus and spleen were injured severely,and the number of immunocytes decreased after 6 Gy whole body γ-ray irradiation.However,Tregs with immunosuppressive action increased significantly postirradiation,revealing that Tregs were closely correlated with immune function depression and immunomodulation imbalance induced by ionizing radiation.
6.Expression of c-jun and c-fos oncogene in medulloblastoma and its clinical significance.
Yuan-yang LI ; Bo-yong MAO ; Xiao-hong DONG
Chinese Journal of Surgery 2004;42(4):213-215
OBJECTIVETo study the potential relationship between the expressions of c-jun and c-fos oncogenes and the prognosis of medulloblastoma.
METHODSThe specimens from 70 cases of medulloblastoma of the posterior fossa and 10 cases of normal cerebellar tissues were collected to determine c-jun and c-fos expressions by immunohistochemical staining in formalin fixed paraffin-embedded sections.
RESULTS(1) It showed that c-fos and c-jun protein expression was negative in 10 normal cerebellar tissue, while positive c-fos, c-jun immunoreactivity was found in 70 medulloblastoma specimens. The positive rate of c-jun and c-fos was 80% and 77%, respectively. There was high expression of c-jun and c-fos protein in medulloblastoma tissues. (2) There were positive correlations and strong co-operativity between c-jun and c-fos expression (r = 0.493, P < 0.01). (3) Correlative analysis indicated that expression of c-jun, c-fos were significantly correlated with survival time (c-jun: r = -0.447, P < 0.01; c-fos: r = -0.590, P < 0.01). The higher the expression level of c-jun and c-fos protein was, the worse the prognosis was in medulloblastoma patients.
CONCLUSIONSHigh expression of c-jun and c-fos protein could be noted in medulloblastoma tissues. The two transcription factors show positive correlation and strong co-existence between c-jun and c-fos expressions. The expression levels of c-jun as well as c-fos are negatively correlated with the mortality rate and life expectancy of patients with medulloblastoma. In addition, the co-expression of c-jun and c-fos could serve as an indicator for judging the prognosis of medulloblastoma.
Adolescent ; Adult ; Child ; Child, Preschool ; Female ; Humans ; Immunohistochemistry ; Infant ; Male ; Medulloblastoma ; metabolism ; mortality ; pathology ; Proto-Oncogene Proteins c-fos ; analysis ; Proto-Oncogene Proteins c-jun ; analysis ; Survival Analysis ; Survival Rate
7.Measuring volume and density of human organs and its significance in medicine and forensic medicine: lung.
Xiao-Jun YU ; Xiao-Ping LAI ; Yu-Bo FAN ; Wen YU ; Jin-Chuan LI ; Mao-Yang LIU
Journal of Forensic Medicine 2006;22(4):251-253
OBJECT:
To obtain values of normal human lung and diffuse pathological changes, in order to provide a simple and convenient diagnostic method for measuring human visceral organs in the autopsy of pathology and forensic pathology.
METHODS:
The exact mass, volume and density of normal and pathological lung were synchronously measured with the intelligentized volume-densimeter made by authors.
RESULTS:
The date-base about the volume and density of human lung with different races were established for anatomy, anthropology and biodynamics. In two cases of over-load in circulation and water toxicosis, the severe lung edema was proved with the scale of lung density, which was atypical edema in the lung tissue.
CONCLUSION
Measurement of visceral organs in the autopsy can assist to an integrative pathological diagnosis.
Adolescent
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Adult
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Age Factors
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Aged
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Aged, 80 and over
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Anthropometry/methods*
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Autopsy
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Child
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Child, Preschool
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Female
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Forensic Medicine
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Humans
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Infant
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Infant, Newborn
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Lung/pathology*
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Male
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Middle Aged
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Organ Size
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Pulmonary Edema/pathology*
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Sex Factors
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Young Adult
8.Advances on studies of miR-21 in vascular endothelial function and angiogenesis
yong Xiao TAN ; Dan FANG ; bo Jian WU ; Mao LUO
Chinese Journal of Pathophysiology 2017;33(12):2299-2304
MicroRNAs ( miRNAs) are a class of non-coding , endogenous , single-stranded small RNA mole-cules composed of 19~25 nucleotides .miRNAs are widely involved in the process of human life activities .Recent studies have shown that part of miRNAs regulate the vascular endothelial function and angiogenesis .High expression of miRNA-21 is found to play important roles in the cell proliferation , cell apoptosis , cell growth and death of vascular endothelial cells . This review will focus on the recent progress related to miRNAs in vascular endothelial function and angiogenesis , providing a new insight in cardiovascular disease prevention , clinical diagnosis , prognosis and target therapeutics .
9.Development of Semi-quantitative Solid Sampling Mercury Analyzer for Cosmetics
Bo WANG ; Ji-Xin LIU ; Xiao-Hong ZHANG ; Xue-Fei MAO ; Lan DING ; Xing NA
Chinese Journal of Analytical Chemistry 2018;46(7):1025-1031
On the basis of the chromogenic reaction between Hg and CuI, a semi-quantitative solid sampling Hg analyzer comprising the catalytic furance, Hg testing tube, air pump and smart cellphone was developed. White carrier 101 was chosen as the adsorbent for CuI to react with Hg from the catalytic furnace. The established Hg analyzer can not only visually recognize the coloration when Hg exceeding the limit standard, but also semi-quantitatively detect the Hg content in cosmetics fast using a smart cellphone and RGB analysis software, after direct solid sampling introduction of cosmetics sample. The instrumental detection limit ( LOD) of mercury was 50 ng, the linearity ranged from 50 ng to 2500 ng, the linear regression coefficient ( R2) was higher than 0. 97, and the RSD of the corresponding RGB values was 6% ( n=11 ) . Nine real cosmetics samples were measured by the established method, whose relative differences of Hg contents with that by the standard method (Safety Technical Specification for Cosmetics, 2015 edition) were less than 10% . The whole analytical time can be controlled within 5 min. The established instrumental method is simple, fast, accurate and visual, and extremely suitable to fast and on-site monitoring of Hg in cosmetics samples.
10.Mechanism of the angiogenic effect of bone marrow stromal cells implantation on acute myocardial infarction.
Xiao-Bo MAO ; Qiu-Tang ZENG ; Xiang WANG ; Ling-Sheng CAO
Chinese Journal of Applied Physiology 2005;21(3):311-314
AIMTo study the mechanism of the therapeutic angiogenesis effect of bone marrow stromal cells (BMSCs) implantation on rat acute myocardial infarction models.
METHODSThe rat acute myocardial infarction models were made by coronary artery ligation and divided into 2 groups at random. In the experiment group, twice passaged BMSCs were labeled with BrdU and then implanted into the infarction region of the recipients in 4 weeks. The control group was the model rats received only DMEM injection. In control group, the hearts were harvested on the day 3, 7, 14, 28, 42 and 56. The infarction regions were examined to identify the angiogenesis and the expression of the VEGF and bFGF. In experiment group, the hearts were examined on the day 42 and 56 after AMI (the day 14 and 28 after cells implantation).
RESULTSViable cells labeled with BrdU could be identified in host hearts. Histologic examination found most donor cells within the infarction region expressed fibroblastic and endothelial phenotype. The transplantation regions had a greater capillary density than the control regions did (14 +/- 4.7/HPF vs 6 +/- 2.4/HPF, P < 0.05). In the control group, the expression of VEGF and bFGF within the infarction regions peaked on day 7, and then decreased over time. In the experiment groups, the expression of bFGF and VEGF on the day 42 and 56 had a higher level than the control group did.
CONCLUSIONThe expression of VEGF and bFGF is significantly increased after cells therapy during the late phase of AMI. It indicates that BMSCs implantation promoted the angiogenesis is mediated by its differentiation into endothelium and the increased release of VEGF and bFGF.
Animals ; Bone Marrow Cells ; cytology ; Bone Marrow Transplantation ; Female ; Fibroblast Growth Factor 2 ; metabolism ; Myocardial Infarction ; surgery ; Neovascularization, Physiologic ; physiology ; Rats ; Rats, Wistar ; Stromal Cells ; transplantation ; Vascular Endothelial Growth Factor A ; metabolism