1.Combined Use of Allergen Skin Prick Test and Specific Immunoglobulin E Antibody on Allergen Diagnosis in Asthmatic Children
li, XIANG ; zhen, LI ; yi-xin, REN
Journal of Applied Clinical Pediatrics 2006;0(21):-
Objective To analyze the advantages of combined analysis of allergen skin prick test(SPT)and phadiatop/specific IgE antibody on the allergen diagnosis in asthmatic children.Methods Inhalant allergen SPT and Phadiatop test were done in 57 asthmatic children.Thirty-three cases of those asthmatic children were measured serum specific IgE antibody against dermatophagoids pteronyssinus.Results Dermatophagoids,molds and pets were the main inhalant allengens in asthmatic children.The positive rates of SPT and Pha-(diatop) in 57 asthmatic children were 86% and 79%,respectively,and the consistence rate between SPT and Phadiatop was 86%.Five cases with negative Phadiatop were confirmed to have molds allergy via SPT and molds specific IgE test.The consistence rate of dermatophagoids pteronyssinus SPT and specific IgE was 97%.Conclusion It is helped to improve the sensitivity and specificity of allergen diagnosis in asthmatic children when doctors combined analyze the results of allergen skin prick test and specific IgE test.
2.Paraspinal elicited somatosensory evoked potentials in the detection of spinal cord lesions
Zhirong JIA ; Xin SHI ; Xiang-Ru SUN ; Yi-Ning HUANG ;
Chinese Journal of Neurology 2005;0(09):-
Objective To explore the role of somatosensory evoked potentials elicited by paraspinal stimulation in the detection of spinal cord lesions.Methods Patients with clinically suspected spinal cord lesions underwent somatosensory evoked potentials(SEPs)and spinal cord conduction velocity(SCCV)test using paraspinal stimulating method.96 patients aged 15 to 75 years old with suspected spinal cord lesions of various aetiologies were tested.36 patients had demyelinating disease of the spinal cord,26 had sub-acute combined degeneration of the spinal cord,19 had myelopathy,10 had acute myelitis,5 had spinal cord corhpression.Results Paraspinal stimulation elicited somatosensory evoked potentials were Performed on all 96 patients,68 of whom underwent spinal MRI as well.SEPs and SCCV were found abnormal in a high ratio in all kinds of spinal cord lesions ; in general,78 among the 96 patients had abnormal SEPs with a sensitivity of 81.25%.27 out of 36 with demyelinating disease of the spine had abnormal SEPs with a sensitivity of 75.00%,23 out of 26 with subacute combined degeneration of the spinal cord had abnormal SEPs with a sensitivity of 88.46%,8 out of 10 with acute myelitis had abnormal SEPs,15 patients with myelopathy having abnormal findings,all 5 patients with spinal cord compression had abnormal SEPs.42 of 68 patients undergoing MRI revealed to be abnormal,in which 35 patients also had abnormal SEPs.The other 26 patients had normal spinal MRI,in which 21 patients had abnormal SEPs.Conclusions Paraspinal stimulation somatosensory evoked potentials and spinal cord conduction velocity may objectively document the abnormalities of electrophysiology,which occurs earlier than those of anatomy and radiological finds, therefore it may detect the dysfunction of spinal cord at an early stage.It is even more useful in the detecting of the metabolic myelopathy,which can hardly be detected by MRI.This technique is simple,inexpensive, and maybe useful in the diagnosis for patients with suspected spinal cord lesions.
3.Detection and correlation analysis of sperm apoptosis rate and level of reactive oxygen species in seminal plasma among infertile males
Yi-qing, LV ; Bin, CHEN ; Kai, HU ; Zu-qiong, XIANG ; Yi-xin, WANG ; Yi-ran, HUANG
Journal of Shanghai Jiaotong University(Medical Science) 2009;29(6):705-708
Objective To detect the sperm apoptosis rate and level of reactive oxygen species (ROS) in seminal plasma and explore their correlation among infertile males. Methods Ninety-two inferitile males were divided into varicocele (VC) group (n=32), leukocytospermia group(n=30) and the other cause group (n=30), and another 24 in vitro fertilization sperm samples were sereved as controls. The routine sperm parameters including seminal pH, sperm viability and sperm density were examined by computer assisted sperm analysis, the sperm apoptosis rate was asseseed using Annexin V/PI staining, and the ROS level in seminal plasma was detected by TBA method. The differences in seminal parameters between three infertile groups and control group were compared, and the correlation of sperm apoptosis rate with level of ROS in seminal plasma was explored in each group. Results The sperm viability of three infertile groups was significantly lower than that of control group (P<0.01). The sperm apoptosis rates and levels of ROS in seminal plasma in VC group and leukocytospermia group were significantly higher than those in control group (P < 0.05 or P < 0.01). The sperm apoptosis rate was positively correlated with the level of ROS in seminal plasma in leukocytospermia group(r=0. 573, P < 0.05). Conclusion The increased sperm apoptosis rate and level of seminal plasma ROS may be related to the infertility of patients with VC and leukocytospermia. The increased level of seminal plasma ROS may be one of the causes of increased sperm apoptosis rate in patients with leukocytospermia.
4.Expression of ksdD Gene Encoding 3-ketosteroid-△~1-dehydrogenase from Arthrobacter simplex in Bacillus subtilis and Analysis of Steroid Transformation
Yu LI ; Fu-Ping LU ; Yi-Han LIU ; Yong-Xin DAI ; Lian-Xiang DU ;
China Biotechnology 2006;0(11):-
To improve 3-ketosteroid-△1-dehydrogenase(KSDH) activity and the transformation level for androst-4-ene-3,17-dione, 3-ketosteroid-△1-dehydrogenase gene(ksdD) from Arthrobacter simplex was cloned into plasmid pWB980 and expressed in B. subtilis WB600 under the control of promoter P43. The molecular weight of expressed enzyme was about 55kDa by SDS-PAGE analysis. The activitities assayed by spectrophotometrical method of intracellular and extracellular soluble enzyme were 110?0.5mU and 15?0.6mU per milligram of protein respectively. The transformation rate of androst-4-ene-3,17-dione by the B. subtilis recombinant cells was 45.3%. Compared with Arthrobacter simplex, the enzyme activity of KSDH expressed in B. subtilis was improved about 30 fold, and the transformation level of androst-4-ene-3,17-dione by the B. subtilis recombinant cells was improved about 10 fold. The recombinant B. subtilis cells used in biotransformation of steroids provided a new way for steroid medicines production.
5.Research on resilience, self-awareness, personality, stress levels and mental health of warship soldiers
Xin ZUO ; Min LI ; Taixing QIU ; Xinneng XIANG ; Jun YANG ; Li PENG ; Yi MIAO ; Ying XU
Chinese Journal of Behavioral Medicine and Brain Science 2011;20(1):59-61
Objective To study the relationships among resilience, self-awareness, personality, stress level and mental health in the warship soldiers. Methods Resilience Scale for Adults ( RSA), Eysenck Personality Questionnaire ( EPQ), Self Acceptance Questionnaire( SAQ), General Self-Efficacy Scale( GSES), Wallance Self Concept Scale (WSCS), Psychological Stress Self-evaluation Test (PSET) and Symptom Checklist (SCL-90)were used to survey 1451 warship soldiers. Results ① 2.5% of the warship soldiers reported obvious psychological stress. Mental health of warship soldiers was worse than the norm of China population, except for obsessivecompulsive and interpersonal sensitivity factor. While the scores of other factors were significantly higher than the norm of Chinese soldiers(P<0.01). ②The total scores of SCL-90, psychological stress and resilience, internal/external had negative correlation with self-awareness, and positive correlation with neuroticism. Compared to the SCL-90-negative group,SCL-90-positive soldiers (SCL-90 total score > 160) had higher scores of nervousness and PSET and lower scores of RSA, internal/external and self-awareness (P < 0.01 ). ③Regression analysis showed that stress levels, emotional stability,self-awareness and resilience were able to predict 35.1% of mental health in warship soldiers. Mental health, emotional stability, internal/external and resilience were able to predict 33.2%of individual's stress level. Conclusion To some extent, warship soldiers have psychological stress and mental health problems. Resilience, personality, self-awareness are important factors affecting psychological stress and mental health.
6.Role of glucagon-like peptide-1 analogue liraglutide played in the proliferation of CD4+ CD25-T cells in normal people and type 1 diabetic patients in vitro
Ying HU ; Xin SU ; Lingjia LIU ; Yufei XIANG ; Qiqi YU ; Shounan YI ; Zhiguang ZHOU
Chinese Journal of Endocrinology and Metabolism 2013;(6):474-478
Objective To study the role of glucagon-like peptide-1 (GLP-1) analogue liraglutide played in the proliferation of CD4+CD25 T cells in normal people and newly-onset type 1 diabetic patients,and to evaluate the possible immune regulatory role of liraglutide in the therapy of type 1 diabetes.Methods CD4+ CD25-T cells of 10 normal people and 10 newly-onset type 1 diabetic patients were separated from peripheral blood by MACS immunomagnetic beads and stimulated by Human T-Activator CD3/CD28 Dynabeads to proliferate.CFSE labeling technique was used to evaluate the proliferation of CD4+ CD25-T cells by flow cytometry.Liraglutide of different concentrations(0,25,50,and 100 nmol/ml) was added to the proliferation system,then the proliferation of CD4+CD25-T cell was measured.Results (1) Liraglutide suppressed the proliferation of CD4+ CD25-T cells from either normal people or type 1 diahetic patients with dose-dependent manner (P < 0.05).(2) Under the different concentrationsofliraglutide,the proliferation ofCD4+CD25 T cells from diabetic patients was mueh more robust than that of normal people (P<0.01).(3) The inhibitory effects of liraglutide on CD4+ CD25-T cells proliferation in normal people and diabetic patients were similar (P>0.05).Conclusion The proliferation of CD4+ CD25 T cells in type 1 diabetic patients was more robust than normal people,which indicated cellular immune dysfunction in type 1diabetes.Liraglutide inhibits the proliferation of CD4+ CD25-T cells of type 1 diabetic patients in vitro.The immunosuppression effect of liraglutide may have potential value in the treatment of type 1 diabetes.
7.Analysis of relationship between axial length and complications of phacoemulsification
Yi, LIU ; Xin-Hui, WANG ; Meng-Fei, WANG ; Xiu-Xiang, JI
International Eye Science 2014;(7):1239-1240
AlM:To observe the relationship between axial length and complications of phacoemulsification with intraocular lens ( lOL) implantation in high axial myopia eyes and normal axis eyes.
METHODS: A retrospective review of 843 consecutive patients ( 1 042 eyes ) of cataract extraction with phacoemulsification and lOL implantation in our hospital from February 2012 to February 2013 was performed. The patients were divided into two groups according to the axial length: 853 eyes were in normal axis group ( 21-24mm) and 189 eyes were in high axial myopia group (≥26mm). The two groups were compared regarding surgical complications, such as vitreous loss, posterior capsular rupture, nucleolus drop, and abnormal location of lOL.
RESULTS:Age was a risk factor in both groups. There was positive correlation between age and surgical complications, and between axial length and surgical complications, especially for complications with posterior capsular rupture and vitreous loss.
CONCLUSlON:As the results illustrate, in this survey, age and high axial lengthare statistically significant risk factors for incidence of complications of phacoemulsification. Anticipation of these complications and also preparation and prophylactic measures may decrease incidence of these complications.
8.Evaluation of long term effects of arthroscopic knee debridement and reconstructing for treating osteoarthritis in patients with Kaschin-Beck disease
Ming, LING ; Xiang-hui, HUANG ; Zhi, YI ; Yan-hai, CHANG ; Jun, LIU ; Jie, QI ; Xin, TIAN
Chinese Journal of Endemiology 2010;29(5):559-561
Objective To observe the long term effects of arthroscopic knee debridement and reconstructing operation for treating osteoarthritis in patients with Kaschin-Beck disease. Methods Thirty-one cases of patients with Kaschin-Beck disease were followed for 6 years after operation of articular clearing by arthroscope. Index of pain, symptoms of self-evaluation, range of motion, walking distance, standing test by affected leg when bending at 30° or 60° were recorded and compared with the preoperative results. Results Twenty-four cases were followed up for 6 years. Six years after operation the pain index(3.38 ± 2.87) was dramatically decreased compared to that before operation (6.88 ± 1.45, t = 5.30, P < 0.05). Patients symptoms markedly improved by subjective self-evaluation was 70.83% (17/24), the effective rate was 100% (24/24). The number of cases that could stand up when leg bending at 30° or 60° were 21,18 cases, respectively, compared with that of preoperative of 14, 11 cases, respectively, the difference was statistically significant(x2 = 5.17,4.27, all P < 0.05). Six years after operation the walking distance(3 cases < 1 km, 11 cases 1 - 5 km and 10 cases > 5 km) were greatly improved compared to the results before operation (12 cases < 1 km, 9 cases 1 - 5 km and 3 cases > 5 km, U = 2.88, P <0.05). Six years after operation the knee activity[(132.25 ± 14.52)°] remained at the same level, compared with that of preoperative [(131 .58 ± 14.68) °], the difference was not statistically significant (t = 0.16, P > 0.05) .Conclusions The method of arthroscopic joint debridement to cure Kaschin-Beck disease knee osteoarthritis can significantly reduce pain, improve function and walking distance, with more stable long-term satisfactory outcome.
9.The effects of partial body weight supported treadmill training on post-stroke depression and the recovery of neurological function
Yi SHEN ; Cui-Huan PAN ; Jun LIU ; Ai-Hua LUO ; Shu-Xiang PO ; Xin-Lu WAN ;
Chinese Journal of Physical Medicine and Rehabilitation 2003;0(06):-
Objective To investigate the effects of partial body weight supported treadmill training (BW- STT) on post-stroke depression (PSD) and on patients' quality of life.Methods Sixty patients with PSD were re- cruited and divided into a training group (n=30,male 17,female 13) and a control group (n=30,male 16,fe- male 14).All patients were treated with routine internal medication and rehabilitation.The patients of the training group also received BWSTT in addition to their routine treatment.All patients' neurological impairment was evaluated using the Modified Edinburgh-Scandinavian Stroke Scale (MESSS).The Hamilton depression scale (HAMD) was used for evaluating the degree of depression.The Fugl-Meyer scale and the Barthel index were used to assess ambula- tion and balance,and facility in the activities of daily living.All patients were assessed before and after the treat- ment.Results After four weeks of treatment,depression in the training group had improved significantly more than in the control group.Conclusion BWSTT intervention is very important for patients with PSD:it can reduce the degree of depression and improve the quality of life.
10.Anti-platelet aggregation bioassay based quality control for XST capsules.
Bing HAN ; Xin MAO ; Shu-xian HAN ; Ying CHEN ; Yan-hua XIANG ; Yi-meng GE ; Fu-long LIAO ; Yun YOU
China Journal of Chinese Materia Medica 2015;40(23):4597-4602
A in vitro platelet aggregation bioassay was developed for the quality control of XST capsules. The in vitro anti-platelet aggregation effect in rats was observed to detect the bioactivity of XST capsules. Panax notoginseng saponins and Xuesaitong lyophilizedpowder for injection were taken as standard control substances to determine the potency. According to the results, XST capsules showeda significant inhibitory effect on thrombin-induced platelet aggregation in a dose-dependent manner. The in vitro anti-platelet activity oflyophilized powder for injection was stabler than that of Panax notoginseng saponins, and so suitable to serve as a standard control substance. The biological potency of XST capsules compared with standard control substance was detected by using parallel line assay. According to the results, the established bioassay method had a good repeatability (RSD 2.92%). The sample test results could pass thereliability test(linear deviation P > 0.05, parallel deviation P > 0.05). This bioassay method could be used as one of the complementary quality control methods for XST capsules.
Animals
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Capsules
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pharmacology
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Drugs, Chinese Herbal
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pharmacology
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Male
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Panax notoginseng
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chemistry
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Platelet Aggregation
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drug effects
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Platelet Aggregation Inhibitors
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pharmacology
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Rats
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Rats, Sprague-Dawley
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Saponins
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pharmacology