2.Effect of selective cyclooxygenase-2 inhibitor NS-398 on cell apoptosis in K562 cells and its underlying mechanism
Chun ZHANG ; Qing WU ; Yan CHEN
Chinese Pharmacological Bulletin 2003;0(07):-
Aim To investigate the effect of selective cyclooxygenase-2 inhibitor, NS-398, on cell apoptosis in leukemia cell line K562 cells and its underlying mechanism. Methods Apoptotic cell percentage was examined by flow cytometry(FCM). The protein expression of Bcl-2 and Caspase-3 was detected by Western blot, and the activity of Caspase-3 was checked by FCM. Results NS-398 induced the cell apoptosis in K562 cells in a dose-dependent manner. After NS-398 treatment, the expression of Bcl-2 protein was downregulated, whereas the expression of Caspase-3 protein was upregulated. Moreover,the activity of Caspase-3 was increased in a dose-dependent way after NS-398 treatment. Conclusion Selective cyclooxygenase-2 inhibitor,NS-398,significantly induced apoptosis in K562 cells. The underlying mechanism might be related to the downregulation of Bcl-2 and the activation of Caspase-3.
3.Resistant mechanism of β-lactam antibiotic of invasive Streptococcus pneumoniae
Tiandong ZHANG ; Qing KONG ; Chun WANG ; Huihong QIN ; Hong ZHANG
Chinese Journal of Laboratory Medicine 2014;(10):748-752
Objective To understand the drug resistance and antibiotic resistance mechanism ofβ-lactam antibiotics of invasive Streptococcus pneumoniae isolated from Shanghai Children′s Hospital, provides the reference for the rational use of antimicrobial agents.Methods This study is based on the research of the mechanism of drug resistance.62 isolates of invasive Streptococcus pneumoniae were collected from Shanghai Children′s Hospital from January 2005 to December 2011.Minimum inhibitory concentrations ( MIC) of strains to 9 antimicrobial agents were determined by E-test method.The penicillin binding protein coding genes pbp2x, pbp2b, and pbp1a of Streptococcus pneumoniae were amplified by PCR.Then, the correlation between the gene mutation andβ-lactam antibiotics resistant level were analyzed.The murM gene of Streptococcus pneumoniae was amplified by PCR and the correlation of mutation and β-lactam antibiotics resistant level was analyzed.Results Out of 62 strains of invasive Streptococcus pneumoniae from children, the detection rate of penicillin resistant Streptococcus pneumoniae was 43.6% (27/62).Between penicillin intermediate Streptococcus pneumoniae ( PISP ) ( 100%, 25/25 ) and penicillin sensitive Streptococcus pneumoniae (PSSP) (3/10), the difference of gene mutation rate near the pbp2b conserved sequence was statistically significant (χ2 =21.875, P<0.01).The same situation occurred between penicillin resistant Streptococcus pneumoniae (PRSP)(100%, 27/27)and PSSP (3/10) (χ2 =23.310, P<0.01).Also the difference of gene mutation rate of PISP (84%, 21/25) vs PSSP (0) and PSSP (0) vs PRSP (85.2%, 23/27) near or in the pbp2x conserved sequence were statistically significant (χ2 =21.000, P <0.01;χ2 =22.513,P<0.01).The difference of gene mutation rate near the pbp1a conserved sequence and Insertion sequence, which were statistically significant, occurred between PISP and PSSP (χ2 =13.22,P<0.01), between PRSP and PSSP (χ2 =37.000,P<0.01), between PISP and PRSP (χ2 =10.211,P=0.001). MurM gene mutation rate was statistically significant different between the 2 group penicillin MIC≥8 mg/L or ceftriaxone MIC≥2 mg/L group (95.8%, 23/24) and penicillin MIC<8 mg/L or ceftriaxone MIC<2 mg/L group (0) (χ2 =56.2,P =0.002 6).Conclusions The resistance phenomenon of invasive Streptococcus pneumoniae in Shanghai Children′s Hospital is serious.The gene mutations of pbps and murM play a role in amide in the beta of antibiotic resistance, and there is a certain correlation with the antibiotic resistance level.
4.Correlation between Fibrinogen in Pleural Effusion and Pleural Adhesion in Tuberculosis Pleurisy
Bao-chun XING ; Li-juan ZHANG ; Guo-qing ZHANG
Chinese Journal of Rehabilitation Theory and Practice 2006;12(7):620-621
ObjectiveTo investigate the corelation between fibrinogen in pleural effusion and pleural adhesion in tuberculosis exudative pleurisy.Methods234 cases of primary tuberculosis pleurisy were divided into 3 groups (A、B、C) according to their level of fibrinogen in pleural effusion from low to high. The incidence rates of pleural adhesion were assessed during the course of treatment and after treatment.ResultsThe incidence rate of pleural adhesion in the course of treatment were as those: group A 10.5%, group B 32.3%, group C 54.5%. After treatment, it was as those: group A 10.5%, group B 16.9%, group C 42.4%. Whenever, there was significant difference between group C and group A or B (P<0.05).ConclusionThe level of fibrinogen in pleural effusion may be associated with pleural adhesion, which hinder the recovery of patients.
6.National pathogenic and serological analysis of plague test results in China from 2001 to 2009
Qing-jiang, PU ; Xian-bin, CONG ; Chun-hua, ZHANG
Chinese Journal of Endemiology 2011;30(1):96-99
Objective To describe the pathogenic and serological test results of the plague in China from 2001 to 2009, and human and animal plague distribution. Methods Through access to information of the plague surveillance report in China from 2002 to 2010, national plague pathogenic and serological test results and the epidemic situation were analyzed from 2001 to 2009. Results From 2001 to 2009, 2966 strains of Yersinia pestis were isolated in the seven provinces which were Guizhou, Guangxi, Yunnan, Qinghai, Tibet, Gansu and Inner Mongolia. Of these, 1 138 000 animals were detected by bacteriological method, 1998 strains of Yersinia pestis were isolated;379 227 groups of intermediary animals were detected, 927 strains of Yersinia pestis were isolated;41 strains of Yersinia pestis were isolated from human body. Animal serums of 1 169 702 were detected by indirect hemagglutination assay(IHA), of these 3177 animal serums were positive, 168 human serums were positive;53 323 animal samples were detected by reverse indirect hemagglutination assay(RIHA), of these 500 were positive. There were outbreak or epidemic of plague in 9 types of plague foci, 2925 strains of Yersinia pestis were isolated. Two animals and 6 fleas were judged as new reservoir and new vector. There were 23 counties of 6 provinces were judged as plague new natural foci counties. Conclusions The plague epidemic in China is still serious between 2001 and 2009. There are nine types of foci in the active state.
7.Clinical observation on tuina plus Baixiao moxibustion for temporomandibular joint dysfunction syndrome
Chun-Hua DING ; Qing ZHANG ; Hong-Qin WEI
Journal of Acupuncture and Tuina Science 2019;17(6):445-450
Objective:To observe the clinical effect of tuina plus Baixiao moxibustion in the treatment of temporomandibular joint dysfunction syndrome (TJDS). Methods: A total of 70 TJDS patients who met the inclusion criteria were randomized into an observation group and a control group by flipping a coin, with 35 cases in each group. Patients in the observation group were treated with tuina plus Baixiao moxibustion, while patients in the control group received oral intake of diclofenac potassium (75 mg/pill), 1 pill after every dinner. Both tuina and Baixiao moxibustion were done once a day during treatment. The therapeutic evaluation was evaluated after 10 treatments in both groups. The maximum mouth opening distance and visual analog scale (VAS) were observed before and after treatment, and the therapeutic efficacy was also compared. Results: After treatment, the maximum mouth opening distance and VAS improved in both groups (all P<0.05); both items in the observation group were superior to those in the control group (both P<00.05). The total effective rate was 91.4% in the observation group, versus 74.3% in the control group, and the between-group comparison of the total effective rate showed statistical significance (P<0.05). Conclusion: Tuina plus Baixiao moxibustion can effectively improve TJDS patient’s temporomandibular joint function and alleviate pain, with better efficacy than oral intake of diclofenac potassium.
8.Therapeutic efficacy and mechanism of heat-sensitive moxibustion for adjuvant treatment of depression in Parkinson disease
Xiao-Mei WANG ; Chun-Jiao RONG ; Fu-Qing ZHANG
Journal of Acupuncture and Tuina Science 2020;18(1):33-39
Objective: To observe the clinical efficacy of heat-sensitive moxibustion for adjuvant treatment of depression in Parkinson disease and explore its mechanism. Methods: A total of 80 patients with Parkinson disease coupled with depression were randomized into an observation group and a control group, with 40 cases in each group. The control group was treated with levodopa and benserazide hydrochloride tablets and paroxetine tablets, while the observation group was treated with heat-sensitive moxibustion on the basis of the medications in the control group. The treatment course was 2 months. The Hamilton depression scale-17 (HAMD-17), unified Parkinson's disease rating scale (UPDRS) and Parkinson's disease quality of life questionnaire-39 (PDQ-39) were scored before and after the treatment, and the efficacy was evaluated after treatment. Levels of patients' serum dopamine (DA), 5-hydroxytryptamine (5-HT), tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) were detected before and after the treatment. Results: After treatment, the total effective rate of the observation group was higher than that of the control group (P<0.05). The HAMD-17 scores in the two groups decreased significantly after treatment (both P<0.05), and the score in the observation group was obviously lower than that in the control group (P<0.05). The component scores and total scores of UPDRS in both groups decreased significantly (all P<0.05), and the scores in the observation group were lower than those in the control group (all P<0.05). The score of PDQ-39 in the observation group decreased significantly (P<0.05), and was lower than that in the control group (P<0.05). After treatment, the serum DA and 5-HT levels in the observation group increased significantly (both P<0.05) and the TNF-α and IL-6 levels decreased significantly (both P<0.05), which were statistically different from those in the control group (all P<0.05). Conclusion: Heat-sensitive moxibustion has certain auxiliary effect in treating depression in Parkinson disease, significantly improving clinical symptoms and the quality of life, which may be related to the up-regulation of DA and 5-HT levels and down-regulation of TNF-α and IL-6 levels.
9.Clinical observation on acupoint pressure plus long-snake moxibustion for upper-limb spastic hemiplegia after cerebral infarction
Yu-Chun WANG ; Hai-Yan SUN ; Fu-Qing ZHANG
Journal of Acupuncture and Tuina Science 2021;19(3):187-192
Objective: To observe the clinical efficacy of acupoint pressure plus long-snake moxibustion for upper-limb spastic hemiplegia after cerebral infarction. Methods: A total of 100 patients were randomized into a control group and an observation group, with 50 cases in each group. Both groups were treated with the same conventional internal medicine and rehabilitation training. The control group was treated with additional acupoint pressure therapy, and the observation group was treated with long-snake moxibustion on the basis of the treatment given to the control group. The Ashworth grade, Fugl-Meyer assessment upper limb scale (FMA-UL) and Barthel index (BI) were evaluated, and the root mean square (RMS) values of biceps brachii and flexor carpi radialis on the affected side were measured before and after treatment. The efficacy was evaluated after treatment. Results: After treatment, the total effective rate of the observation group was significantly higher than that of the control group (P<0.05). After treatment, the Ashworth grade of the observation group was superior to that of the control group (P<0.05). The scores of FMA-UL and BI in both groups increased compared with those before treatment (all P<0.05), and the scores of FMA-UL and BI in the observation group were higher than those in the control group (both P<0.05). The RMS values of biceps brachii and flexor carpi radialis in both groups decreased compared with those before treatment (all P<0.05), and the RMS values of biceps brachii and flexor carpi radialis in the observation group were lower than those in the control group (both P<0.05). Conclusion: Based on conventional internal medicine and rehabilitation training, acupoint pressure plus long-snake moxibustion has great therapeutic efficacy for upper-limb spastic hemiplegia after cerebral infarction. It can improve the degree of spasticity of the affected upper limb, reduce the muscle tone of biceps brachii and flexor carpi radialis on the affected side, and enhance the mobility of the affected limb and the activities of daily living.
10.12 patients with hand high pressure paint injury.
Xin-wei LIU ; Qing-ge FU ; Chun-cai ZHANG
Chinese Journal of Industrial Hygiene and Occupational Diseases 2010;28(2):110-111
Adult
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Barotrauma
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diagnosis
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surgery
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Hand Injuries
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diagnosis
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surgery
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Humans
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Male
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Middle Aged
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Paint