1.Effect of Everolimus on Radiosensitivity of Human Non_small Cell Lung Cancer Cell Line A549
Yu CHEN ; Qian CHU ; Juan GUO ; Yu HUANG ; Wenwen LI ; Yijun TIAN ; Shu XIA ; Shiying YU
Herald of Medicine 2014;(12):1541-1544
Objective To exPlore the effect of mammalian target of raPamycin ( mTOR ) inhibitor eVerolimus on radiosensitiVity of human non_small cell lung cancer cell line in vitro by using eVerolimus to inhibit mTOR signaling Pathway of A549. Methods Human non_small cell lung cancer cell line A549 was subjected to radiation alone or in combination with eVerolimus treatment. The 50%inhibition concentration ( IC50 ) of eVerolimus in A549 cells was detected by methylthiazol tetrazolium ( MTT) assay in vitro. EVerolimus at the 20%inhibition concentration ( IC20 ) was used to Pretreat A549 cells for 24 h. Cells were then irradiated by X_ray with 2,4,6,8 Gy. The cell surViVal fraction was comPuted by clone formation. Cell surViVal curVe was fitted by multitarget one_hit model, and mean lethal dose ( D0 ), dose quasithreshold ( Dq ), surViVal fraction at 2 Gy ( SF2 ), and sensitization enhancement ratio (SER) were calculated. The exPression ofγ_H2AX was determined by Western blotting and then the relatiVe gray Values were analyzed. Results EVerolimus significantly imProVed the sensitiVity of A549 cells to radiation. The D0 , Dq and SF2 of eVerolimus+irradiation grouP were significantly lower than those of irradiation grouP. The SER was 1. 36. The residual amount of γ_H2AX Protein in the eVerolimus + irradiation grouP was significantly higher than that of the irradiation grouP. Conclusion EVerolimus inhibiting mTOR signaling Pathway can increase the radiosensitiVity of A549 cells.
2.Induced pluripotent stem cells generated from reprogramming differentiated cells by defined factors.
Xiaoyu XIA ; Jianxin CHU ; Xuejin CHEN
Chinese Journal of Biotechnology 2008;24(7):1121-1127
Embryonic stem cell is promising for regenerative medicine. However, its application is hampered by the utilization of eggs in most established methods. Recently, a new pluripotent stem cell establishing method was reported that, mouse and human differentiated cells could be induced reprogrammed into a pluripotent state by expressing exogenetic stem factors such as Oct4, Sox2, et al, through retroviral transduction. This approach avoiding egg use is a great breakthrough not only in stem cell technology but also present theory hypothesis of reprogramming. Here these works were reviewed in this article. Both the mechanism of induced reprogramming and the prospects of induced pluripotent stem cells were discussed.
Animals
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Cell Differentiation
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genetics
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Cells, Cultured
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Cellular Reprogramming
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drug effects
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genetics
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Humans
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Octamer Transcription Factor-3
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metabolism
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Pluripotent Stem Cells
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cytology
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Retroviridae
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genetics
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SOXB1 Transcription Factors
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metabolism
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Transduction, Genetic
3.Acupuncture treatment of male infertility: a systematic review.
Yuan HE ; Chu-tao CHEN ; Li-huan QIAN ; Chun-ling XIA ; Jing LI ; Shen-qing LI ; Bu-ping LIU
National Journal of Andrology 2015;21(7):637-645
OBJECTIVETo systematically evaluate acupuncture as a treatment for male infertility.
METHODSWe searched Chi na Biology Medical Database (CBM), Wan Fang Medical Information System, China National Knowledge Infrastructure (CNKI), VIP Information Resource System (VIP), and PubMed for published literature on acupuncture as a treatment for male infertility on May 1 2014. Based on the Standards for Reporting Interventions in Clinical Trials of Acupuncture (STRICTA), we evaluated the quality of the reports, conducted meta-analysis on the identified studies via RevMan5.2, and assessed the quality of the evidence in the literature by Grading of Recommendations Assessment, Development, and Evaluation (GRADE).
RESULTSA total of 12 studies involving 2,177 patients were included, the quality of which was evaluated as mediocre. With regard to the cure rate, acupuncture was comparable to traditional Chinese medicine (TCM) (P > 0.05) but better than Western medicine (RR = 4.00, 95% CI 1.63 to 9.82, P < 0.01) while acupuncture + TCM was better than either TCM (RR = 1.77, 95% CI 1.20 to 2.60, P < 0.01) or Western medicine used alone (RR = 2.73, 95% CI 1.51 to 4.93, P < 0.01), and acupuncture + Western medicine was better than Western medicine alone (RR = 1.88, 95% CI 1.17 to 3.02, P = 0.01). The combined use of acupuncture, ear pressure, TCM, and Western medicine showed a higher cure rate than the combination of TCM and Western medicine (RR = 3.45, 95% CI 2.90 to 4.11, P < 0.01). In therapeutic effectiveness, acupuncture was comparable to TCM (P > 0.05) but superior to Western medicine (RR = 1.41, 95% CI 1.12 to 1.71, P < 0.01), acupuncture + TCM was superior to either TCM (RR = 1.14, 95% CI 1.05 to 1.23, P < 0.01) or Western medicine alone (RR = 1.43, 95% CI 1.22 to 1.67, P < 0.01), and acupuncture + Western medicine was superior to Western medicine alone (RR = 1.25, 95% CI 1.05 to 1.49, P = 0.01). In improving sperm concentration, acupuncture was as effective as TCM (P > 0.05) and sham acupuncture (P > 0.05) but outdid Western medicine (RR = 27.00, 95% CI 24.27 to 29.73, P < 0.01) and acupuncture + TCM outdid either TCM (RR = 14.65, 95% CI 7.58 to 21.72, P < 0.01) or Western medicine alone (RR = 1.04, 95% CI--1.43 to 3.51, P > 0.05). In improving grade a sperm, acupuncture exhibited a similar effect to TCM (P > 0.05) and sham acupuncture (P > 0.05), and acupuncture + TCM was more effective than TCM alone (RR = 7.78, 95% CI 3.51 to 12.23, P < 0.01) but equally effective as Western medicine (P > 0.05). In elevating the level of grade a + b sperm, acupuncture + TCM excelled either TCM (RR = 11.00, 95%, CI 3.17 to 18.82, P < 0.01) or Western medicine alone (RR = 12.22, 95% CI 6.87 to 17.57, P < 0. 01), while acupuncture produced a comparable effect with sham acupuncture (P > 0.05). As for the quality of the included studies, only 3 conclusions of the 23 meta-analyses were assessed to be of average quality, while the others of poor or extremely poor quality. Therefore, the recommendation grade of the conclusions was low.
CONCLUSIONFor the treatment of male infertility, acupuncture is reported to be equally effective as TMC and more effective than Western medicine, and its effectiveness is enhanced when applied in combination with either TCM or Western medicine. Acupuncture is distinctively efficacious in improving sperm quality. Nevertheless, the overall quality of the included studies is low.
Acupuncture Therapy ; China ; Drugs, Chinese Herbal ; therapeutic use ; Humans ; Infertility, Male ; therapy ; Male ; Medicine, Chinese Traditional
4.Clinicopathologic and radiologic features of focal cortical dysplasia.
Hai-xia CHENG ; Shu-guang CHU ; Hong CHEN ; Ji XIONG ; Jing-jing ZHU ; Chao LI ; Yin WANG
Chinese Journal of Pathology 2011;40(9):630-631
Adolescent
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Adult
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Antigens, Nuclear
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metabolism
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Brain Diseases
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complications
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diagnosis
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pathology
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surgery
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Brain Neoplasms
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pathology
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Child
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Child, Preschool
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Diagnosis, Differential
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Epilepsy
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etiology
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Female
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Ganglioglioma
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pathology
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Glial Fibrillary Acidic Protein
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metabolism
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Humans
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Infant
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Magnetic Resonance Imaging
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Male
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Malformations of Cortical Development
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classification
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complications
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diagnosis
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pathology
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surgery
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Malformations of Cortical Development, Group I
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Microtubule-Associated Proteins
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metabolism
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Neoplasms, Neuroepithelial
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pathology
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Nerve Tissue Proteins
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metabolism
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Neurofilament Proteins
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metabolism
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Retrospective Studies
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Vimentin
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metabolism
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Young Adult
5.Manipulative reduction and traction for treatment of backward supracondylar fractures of humerus in children.
Ke-Hong SUN ; Shi-Ping XIA ; Chao CHEN ; Qi-Ping CHU ; Liang ZHOU ; Ming SHA ; Yan-Xing GAO
China Journal of Orthopaedics and Traumatology 2009;22(5):345-345
Adolescent
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Child
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Female
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Humans
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Humeral Fractures
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surgery
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Humerus
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surgery
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Male
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Traction
6.Efficacy and safety of propranolol in treating infantile hemangiomas
Zhou YANG ; Li LI ; Zigang XU ; Yujuan SUN ; Lixin ZHANG ; Xia ZHANG ; Yan CHU ; Li YAN ; Ying LIU ; Yuanyuan XIAO ; Xin XIANG ; Chen WANG ; Lin MA
Chinese Journal of Dermatology 2012;45(7):466-469
[Objective] To evaluate the clinical efficacy and safety of propranolol in treating infantile hemangiomas.[Methods] Ninety children with hemangioma collected from July 2010 to November 2011 were recruited in this study.Oral propranolol was given at a dose of 1.5-2.0 mg/kg per day,and the dose was adjusted according to the growth of body weight.Patients were revisited every month for the observation of appearance of hemangioma.The following parameters,including blood glucose,alanine transarninase,aspartate aminotransferase,urea nitrogen,creatinine,creatine kinase,heart rate,blood pressure,electrocardiogram and ultrasound image of hemangioma,were monitored before and after the administration of propranolol.[Results] A rapid halt in haemangioma proliferation was seen in 91.1% (82/91) of the patients within 24-48 hours after the administration of popranolol.After 1-10 months of treatment,haemangioma shrunk by 0-25% with a lightening of lesional color in 8.0% (7/88) of the patients,by 26%-50% with an obvious lightening of lesional color in 39.8% (35/88),by 51%-75% with a marked lightening of lesional color in 26.1% (23/88),and 26.1% (23/88)of the patients achieved a shrinkage of more than 75% or fading of lesional color.The 7-8 months of treatment leaded to the best outcome,followed by 5-6 months,3-4 months,and 1-2 months,of treatrnent.No rebound was observed in patients who stopped the treatment at 10 months to l year and 4 months of age.Usually during early stage of the therapy,some of the patients suffered from reduced diastolic blood pressure,sleep disorder,loose stools,hypoglycemia,cold extremities,bronchial hyperreactivity,elevated alanine transaminase/aspartate aminotransferase or creatine kinase isoenzyme,most of which were tolerable and relieved with or without symptomatic treatment.[Conclusion]s Propranolol can suppress the growth and accelerate the regression of hemangiomas in proliferative phase,and also can promote the subsidence of hemangiomas in regressive phase.The side effects of propranolol are usually mild,but still need close monitoring.
7.Data Mining-based Analysis of Regularities in Acupoint Prescriptions for Stroke Disorders in Ancient Books
yun Chu CHEN ; xia Li LI ; lin Wei LI ; hua Guo LIN ; jie Ying HUANG ; Xing WANG
Shanghai Journal of Acupuncture and Moxibustion 2017;36(12):1494-1499
Objective To summarize regularities in acupoint prescriptions for acupuncture treatment of stroke disorders by using data mining techniques to analyze 150 ancient acupuncture books from the Han dynasty to the end of Qing dynasty. Method A standard database and a ancient book database were established by a manual entry and proofreading method. The sentences containing stroke disorders, acupoints, meridians and needling moxibustion method in the ancient books were selected according to the key words in the standard database using a variety of data mining techniques and a regular relation to establish corresponding disease, acupoint, needling moxibustion method and meridian databases. They were classified into two types: prescriptions for stroke disorders and acupoint indications containing stroke disorders. The results from selection were reviewed manually and standardized. A multilevel analysis of regularities in acupuncture prescriptions for stroke disorders in the ancient books was performed by statistical analysis and apriori algorithm on association rules with support degree and confidence level. Result There were a total of 536 records on acupuncture point prescription for stroke disorders. Single acupoint prescriptions accounted for 34.89% of the total number of prescriptions. The single acupoint that was used most frequently was Baihui(GV20). Thedouble acupoints that were combined most frequently were Quchi(LI11) and Baihui. In three acupoint combination, Quchi and Fengshi(GB31) were separately combined most frequently with Baihui, Jianyu(LI15) and Xuanzhong(GB39). The three meridians that were used most frequently were the Du Meridian, the Large Intestine Meridian of Hand-Yangming and the Gallbladder Meridian of Foot-Shaoyang. The two meridians that were combined most frequently were the Gallbladder Meridian of Foot-Shaoyang and the Stomach Meridian of Foot-Yangming. Crossing points and Five-Shu points were selected most frequently in specific points. He-Sea points were used most frequently in Five-Shu points. Conclusion The prescriptions for stroke disorders in ancient acupuncture books focus on selecting the confluence of all yang meridians and yang meridian points. Specific points are the important composition of the prescriptions. Crossing points and He-Sea points are mainly used in specific points.
8.Immunogenicity in a Prime-boost Regimen of a Modified Vaccinia Virus Ankara (MVA) Vectored Experimental HIV-1 Clade C/B’ Vaccine
Yan GAO ; Ming SUN ; Guo-Run JIANG ; Yin-Chuan ZHANG ; Xi WANG ; Bing-Xiang LI ; Xiao-Qin HUANG ; Dan CHEN ; Dong-Xia ZHOU ; Jiayou CHU ;
China Biotechnology 2006;0(02):-
Objective: To evaluate the immunogenicity of HIV-1 clade C/B’ vaccine based on modified vaccinia virus Ankara (MVA) vector in mice. Methods: Mice were inoculated with 3-dose HIV vaccine by intramuscular injection. Blood sample were collected every second week, and then the antibodies against HIV were detected. At week 6, mice were killed and cellular immune responses were examined by ELISPOT. Result: The number of spot forming cells in the 107 pfu/ml -dose group was more than those of 105 pfu/ml -dose and 106 pfu/ml -dose groups significantly. HIV specific antibodies emerged at week 2 and elevated rapidly at week 4 and week 6. The level of specific IgG in the 107 pfu/ml -dose group was more than those of 105 pfu/ml -dose and 106 pfu/ml -dose groups significantly. Conclusion: The ADMVA induces both humoral immunoresponse and cellular immune responses.
9.Application of individual health education in the patients with colostomy
Min FANG ; Xiao-Yan HANG ; Hai-Ying JIA ; Chu-Xia CHEN ; Sheng-Nan WEI ; Tian LI
Chinese Journal of Modern Nursing 2012;18(13):1509-1511
Objective To explore the effect of individual health education on the patients with colostomy.Methods Seventy-eight patients received individual health education.They were investigated with the questionnaire about the exercise of selfvcare-agency(ESCA) and the assessment of self-care agency in third to fifth day after operation,left hospital and three months after discharged.Results The average score of ESCA of patients in third to fifth day after operation,left hospital,three months after discharged was ( 96.63 ± 10.13 ),(106.18 ± 8.94),(134.74 ± 9.54),and different time slot with different score,and the different was statistically different (P < 0.01 ),and the sub-scale score of self-care skill,self-nursing sense,self conception,health knowledge level,colostomy care was significantly different between different time slots ( P < 0.01 ).Conclusions Individual health education can obviously improve the self-care agency of patients with colostomy and effectively reduce the complication of colostomy.
10.Effects of power frequency magnetic field on Ca2+ transport of skeletal muscle sarcoplasmic reticulum vesicles.
Ren-chen LIU ; Zhen-jie ZHOU ; Ke-ping CHU ; Xiu-li LIU ; Shu-de CHEN ; Ruo-hong XIA
Chinese Journal of Preventive Medicine 2006;40(3):168-172
OBJECTIVETo investigate the effects of power frequency magnetic field on the Ca2+ transport dynamics of isolated sarcoplasmic reticulum vesicles.
METHODSThe assays of Ca2+ uptake time course and the Ca2+-ATPase activity of sarcoplasmic reticulum vesicles were investigated by using dynamic mode of spectrometry with a Ca2+ dye; Ca2+ release channel activation was examined by 3H-ryanodine binding and Ca2+ release assays; membrane fluidity of sarcoplasmic reticulum vesicles was examined by fluorescence polarization, without or with exposure to the vesicles at a 0.4 mT, 50 Hz sinusoidal magnetic field.
RESULTS0.4 mT, 50 Hz sinusoidal magnetic field exposure caused about a 16% decline of the initial Ca2+ uptake rate from a (29.18 +/- 3.90) pmol.mg(-1).s(-1) to a (24.60 +/- 3.81) pmol.mg(-1).s(-1) and a 26% decline of the Ca2+-ATPase activity from (0.93 +/- 0.05) micromol.mg(-1).min(-1) to (0.69 +/- 0.07) micromol.mg(-1).min(-1) of sarcoplasmic reticulum vesicles, whereas caused a 15% increase of the initial Ca2+ release rate from (4.83 +/- 0.82) pmol.mg(-1).s(-1) to (5.65 +/- 0.43) pmol.mg(-1).s(-1) and a 5% increase in 3H-ryanodine binding to the receptor from (1.10 +/- 0.12) pmol/mg to (1.16 +/- 0.13) pmol/mg, respectively.
CONCLUSIONThe decline of Ca2+-ATPase activity and the increase of Ca2+ release channel activity should result in a down-regulation of Ca2+ dynamic uptake and an up-regulation of Ca2+ release induced by exposing the sarcoplasmic reticulum to a 0.4 mT, 50 Hz power frequency magnetic field.
Animals ; Calcium ; metabolism ; Calcium Signaling ; Electromagnetic Fields ; Muscle, Skeletal ; metabolism ; Rabbits ; Sarcoplasmic Reticulum ; metabolism ; radiation effects