1.Study on the feasibility and safety of measles vaccination in women of childbearing age
Chan XIA ; Zhengwang WEN ; Qi LIU ; Lei DONG ; Haifan QIU ; Yiping CHEN
Chinese Journal of Infectious Diseases 2016;34(4):227-231
Objective To study the feasibility and safety of measles vaccination in women of childbearing age and to understand the influence of measles vaccination on the fetal transmission measles antibody level of the infants.Methods From January 1,2012 to December 31,2012,600 women of childbearing age were included in this study.The measles IgG antibody was detected,then all participants were randomized according to the IgG level.The measles IgG antibody of participants in non-vaccinated group was detected predelivery in hospital by enzyme linked-immunosorbent assay (ELISA).That of participants in vaccinated group was detected 3 months after vaccination with measles mumps rubella combined vaccine and predelivery by ELISA.And measles nuclear protein fragment gene (measles virus nucleoprotein,MVN) in the blood was detected by reverse transcription polymerase chain reaction (RT PCR).A total of 368 participants gave birth within 2 years after vaccination,and 357 infants 8 months after birth were healthy.In non-vaccinated group,8 infants were diagnosed with measles within 8 months after birth.Finally,349 8-month infants were enrolled in the study,including 52 whose mothers in high antibody without vaccination group,65 whose mothers in high antibody with vaccination group,110 whose mothers in low antibody without vaccination group and 122 whose mothers in low antibody with vaccination group.The measles IgG antibody levels in the blood of all the 8-month infants were detected.Data were analyzed using t test,one-way ANOVA (Newman-Keuls was used for comparison between groups) and Pearson analysis.Results The measles IgG antibody level of expectant women in high antibody without vaccination group was significantly lower compared to that in high antibody with vaccination group ([268.5±74.9] IU/mL vs [578.3t208.1] IU/mL,Q=15.57,P<0.01).That in low antibody without vaccination group was also significantly lower than low antibody with vaccination group ([169.4+42.3] IU/mL vs [584.7+195.8] IU/mL,Q=29.54,P<0.01).The results of MVN RT-PCR after 3 months of vaccination showed no positive bands in all blood samples.Two of the expectant women in high antibody without vaccination group and one in low antibody without vaccination group were positive for MVN bands.Among 8-month infants,the levels of antibody in high antibody without vaccination group and high antibody with vaccination group were (106.3 ± 36.8) IU/mL and (291.8±86.5) IU/mL,respectively,which was statistically different (t=23.33,P<0.01).Those in low antibody without vaccination group and low antibody with vaccination group were (87.1 ± 26.4) IU/mL and (274.0±72.5) IU/mL,respectively,which was statistically different (t =33.27,P<0.01).The measles antibody level of expectant women was positively correlated with their 8-month infants (r=0.652,P<0.01).All 8 infants who were diagnosed with measles were delivered by women without vaccination,and the measles infection rate of infants was significantly different between women with and without vaccination (P=0.002).Condusion It is feasible for women of childbearing age to receive measles vaccination,which can increase the measles IgG antibody level of both expectant women and their infants.
2.Predictive value of plasma level of dimethylglycine for risk of death in patients with acute myocardial infarction/
Chinese Journal of cardiovascular Rehabilitation Medicine 2019;28(4):405-409
To explore relationship between plasma level of dimethylglycine (DMG) and risk of death and its predictive value for risk of death in patients with acute myocardial infarction (AMI ).Methods : A total of 2406 AMI patients from 2010 to 2014 in our hospital were selected .According to survival condition of three‐year follow‐up , patients were divided into death group (n=319) and survival group (n= 2087) , another 2000 healthy volun‐teers undergoing physical examination in our hospital simultaneously were enrolled as healthy control group .Predic‐tive value of plasma DMG level for risk of death in AMI patients were analyzed .Results : Plasma DMG level of AMI group was significantly higher than that of healthy control group [ (4.16 ± 1. 06) μmol/L vs.(2.93 ± 0. 47) μmol/L] , and that of death group was significantly higher than that of survival group [ (4.81 ± 1.05) μmol/L vs.(4.06 ± 1.08) μmol/L] , P= 0. 001 both .ROC curve analysis indicted that AUC of plasma DMG level predicting pa‐tients′death was 0. 756 , optimal cutoff point was 4.76μmol/L , and sensitivity and specificity was 76.7% and 69. 2% respectively .According to the cutoff point , AMI group was divided into low level group (DMG≤4.76μmol/L , n=1103) and high level group (DMG>4.76μmol/L , n=1303).Compared with low level group , there were significant rise in BMI , percentages of smoking , hypertension , diabetes mellitus and triple‐vessel coronary disease , levels of TC , LDL‐C , Apo B and Apo A1 , and significant reductions in percentage of single vessel coronary disease and HDL‐C level in high level group , P<0. 05 or <0.01. Kaplan‐Meier survival analysis indicated that three‐year total survival rate of DMG high level group was significantly lower than that of low level group (84. 19% vs. 89. 76%, P=0.001).Multi‐factor analysis of COX proportional hazard regression indicated that coronary disease severity and plasma DMG level were independent risk factors of prognosis in AMI patients (HR=1. 746 ,1.823 , P=0.001 both).Conclusion : Plasma DMG level is one of independent risk factors predicting death of AMI patients .
3.Feasibility study on the application of accelerator MV CBCT images in adaptive radiation therapy
Tingtian PANG ; Bo YANG ; Xia LIU ; Nan LIU ; Tingting DONG ; Jie QIU
Chinese Journal of Radiological Medicine and Protection 2017;37(5):359-362
Objective To investigate whether the accelerator image beam line (IBL) full scan and extend field of view(EFOV) scan mode megavoltage cone beam CT(MV CBCT) images can be used for dose calculation in adaptive radiotherapy.Methods The large aperture CT and MV CBCT were used to scan the CIRS 062M electron density modules,the CT value was established to electron density curves in the Pinnacle treatment planning system.Also,CT and MV CBCT were used to scan the head and neck,chest,abdomen and pelvis phantom.The intensity modulated radiotherapy(IMRT) plans were made with CT images and transplanted to MV CBCT images.The dose of targets and organs with their electron density curves was calculated,and two type IMRT plans with different CT images were compared.Results The dose distribution of head and neck phantom was acceptable,compared with the reference plan,the difference was within 3 %.The dose distribution of chest and.pelvis was significantly reduced from reference plans,and the difference was 5% and 10% separately.This difference was beyond the scope of clinical acceptance.Conclusions MV CBCT images of accelerator IBL full scan mode in patients with head and neck site scan could be used for dose calculation in adaptive radiotherapy,chest and pelvic sites in EFOV mode scanning MV CBCT images could only be used for image guidance.
4.Fermentative Hydrogen Production with Xylose by Clostridium sp. HR-1 Isolated from Cow Dung Compost
Ji-Fei XU ; Nan-Qi REN ; Jie QIU ; Dong-Xia SU ;
Microbiology 1992;0(04):-
A anaerobic hydrogen-producing strain HR-1 was isolated from compost. Phylogenetic analysis based on 16S rRNA sequence similarity indicates that strain HR-1 is the closest relative to Clostridium ace- tobutylicum ATCC 824, with the similarity of 96%. Biological characteristics and phylogenetic analysis of 16S rRNA gene indicate that HR-1 is a new species named Clostridium sp. HR-1. Cells are Gram-positive, mobile rod-shaped. Spores and flagellums were no observed. Temperature range for growth is 10?C to 45?C (optimum temperature 37?C~39?C), and range pH for growth is 4.0 to 10.0 (optimum pH 7.5~8.0). H2, CO2, acetate, butyrate and a little ethanol are the end products of PYG fermentation. Strain HR-1 has the ability to use organic nitrogen and inorganic nitrogen sources for growth and hydrogen production, and yeast extract is the optimum nitrogen source for hydrogen production. Strain HR-1 produces hydrogen from xylose (3 g/L) at 37?C and initial pH 6.5, the hydrogen yields and maximal hydrogen production rate are 1.84 mol-H2/mol-xylose and 10.52 mmol-H2/h?g-cdw, respectively. Strain HR-1 is able to utilize glucose, galactose, fructose, mannose and cellobiose for hydrogen production and the hydrogen yields from glucose is 2.36 mol-H2/mol-glucose.
5.Expression of human epididymis protein 2beta1 in the testis and epididymis of adolescent male rats.
Hong TIAN ; Shu-dong QIU ; Qiu-yang ZHANG ; Xia XUE ; Ling GE ; Li-rong WANG
National Journal of Andrology 2006;12(9):780-783
OBJECTIVETo investigate the expression of human epididymal secretary protein 2 isoform human epididymal protein 2beta1(HE2beta1) in the testis and epididymis of adolescent male rats along with its significance.
METHODSImmunohistochemical staining was used to detect the expression and localization of HE2beta1 in the testis and epididymis of 15 adolescent SD rats.
RESULTSHE2beta1 immunoreactive staining was detected in the testis and epididymis. In the epithelia of the epididymal duct, HE2beta1 expressed mainly in the supranuclear region of the principle cells and the basement membrane of some epithelial cells; there were no immunostaining in the n clear cells, halo cells and basal cells. The immunopositive reaction was detected, weak in the distal caput, strong in the proximal, middle corpus and the cauda, but negative in the initial segment. Immunopositive results of HE2beta1 were also observed in some of the nuclei of spermatogonia and Sertoli cells with negatively-stained cytoplasm.
CONCLUSIONImmunohistochemical staining is a fairly sensitive method for detecting HE2beta1 expression. The localization and expression level of HE2beta1 in the genital duct of adolescent male rats exhibited a region- and cell-specific expression pattern, which suggests that HE2beta1 may play an important role in spermatogenesis, maturation and epididymal epithelial innate defense mechanisms.
Animals ; Antigens, Surface ; biosynthesis ; Epididymis ; metabolism ; Glycopeptides ; biosynthesis ; Humans ; Immunohistochemistry ; Leydig Cells ; metabolism ; Male ; Rats ; Rats, Sprague-Dawley ; Testis ; metabolism
6.Human umbilical vein vascular endothelial cell injury induced by fluoride in vitro
Jian-chao, BIAN ; Xin-ying, LIN ; Xiao-xia, YANG ; Xiao-dong, HOU ; Ting, FAN ; Qiu-li, ZHU
Chinese Journal of Endemiology 2011;30(2):142-147
Objective To study the effect of different concentrations of fluoride on cultured human umbilical vein vascular endothelial cells(HUVEC). Methods Different doses of sodium fluoride (NaF) were added to HUVEC culture medium, fluoride concentrations were 0(control), 100,400,700,1000,2000 μmol/L, respectively,6 re-set hole in each group. After continuous culture for 48 h, cells and culture medium were collected. Cell morphology was studied by Wright-Giemsa staining; cells apoptosis was determined by acridine orange fluorescence staining; cell activity was measured by methyl thiazolyl tetrazolium (MTT) assay; superoxide dismutase (SOD),glutathione peroxidase(GSH-Px) activity, malonaldehyde(MDA) content, induced nitricoxide synthase(iNOS), and endothelia nitricoxide synthase(eNOS) activity in cell culture medium were determined by spectrophotometry; cell iNOS mRNA and eNOS mRNA expression were detected by RT-PCR; intercellular adhesion molecule-1 (ICAM-1)and vascular cell adhesion molecule-1 (VCAM-1) levels were detected by double antibody sandwich ELISA method.Results With increased dose of fluoride, HUVEC cells decreased, the structure changed. In 400 - 2000 μmol/L group, the SOD activity[(6.627 ± 0.213), (6.668 ± 0.152), (5.935 ± 0.122), (4.755 ± 0.182)kU/L] was lower than those of the control group[(7.457 ± 0.398)kU/L, P < 0.05 or < 0.01], GSH-Px activity[(481.284 ± 43.785),(492.223 ± 16.474), (382.762 ± 25.167), (293.687 ± 24.881 )kU/L] was also lower than those of the control group [(585.078 ± 47.323)kU/L, P < 0.05 or < 0.01], MDA level[(0.609 ± 0.011 ), (0.646 ± 0.016), (0.852 ± 0.013),(1.188 ± 0.045)nmol/L] was higher than those of the control group[(0.512 ± 0.027)nmol/L, P < 0.05 or < 0.01];iNOS activity[(3.604 ± 0.115), (3.615 ± 0.075), (3.848 ± 0.103), (4.275 ± 0.079)kU/L] also was higher than those of the control group[(2.798 ± 0. 136)kU/L, all P < 0.01], iNOS mRNA expression increased, eNOS activity [(5.539 ± 0.079), (5.503 ± 0.064), (5.226 ± 0.142), (4.809 ± 0. 107)kU/L] decreased compared to those of control group[(5.996 ± 0.155)kU/L, P < 0.05 or < 0.01], eNOS mRNA expression decreased; ICAM-1 levels [(0.852 ± 0. 102), (0.886 ± 0.061 ), (0.961 ± 0.158), (1.418 ± 0. 167)μg/L] increased compared to those of the control group[(0.687 ± 0.046)μg/L, P < 0.05 or < 0.01], VCAM-1 levels[(2.719 ± 0.197), (2.946 ± 0.167),(3.173 ± 0.225 ), (3.613 ± 0. 153 ) μg/L] was higher than those of the control group [(2.375 ± 0.067 ) μg/L, all P <0.01]. Conclusions High concentrations of fluoride reduce the activity of antioxidant enzymes, which leads to metabolic disorders of nitric oxide and abnormal cytokines expression, thereby inhibiting vascular endothelial cell growth, structural change and induced apoptosis. This is an important factor in high fluoride-induced vascular endothelial injury.
7.Clinical efficacy and safety analysis of moxifloxacin versus levofloxacin in the treatment of elderly patients with community acquired pneumonia
Shen-Xia REN ; Zhen-Qiu FU ; Ming-Dong WU
The Chinese Journal of Clinical Pharmacology 2015;(18):1803-1805
Objective To explore the clinical efficacy and safety analy-sis of moxifloxacin versus levofloxacin in the treatment of elderly patients with community acquired pneumonia ( CAP ) . Methods Sixty -two elderly patients with CAP were randomly divided into treatment group ( n=32 ) and control group ( n=30 ) .Patients in treatment group were treated with moxifloxacin 400 mg by intravenous transfusion , qd with changes for orally administration 400 mg qd after improvement.Patients in control group were treated with levofloxacin 500 mg by intravenous transfusion , qd with changes for orally administration 100 mg tid after improvement.The total course of administration was less than 2 weeks. The clinical efficacy , total course of administration , pathogenic bacteria clearance rate and safety were evaluated between the two groups . Results The total efficacy was not significant different between the two groups ( P>0.05 ) , but the cure rate in treatment group was significant higher than that in control group ( P<0.05 ) .The total course of drug administration of treatment group was shorter than control group (P<0.05).The pathogenic bacteria clearance rate was 93.75% and 83.33%for treatment and control group respectively which indicated that treatment group was significant higher ( P<0.05 ) .And the drug related
toxicity was not statistically different between the two groups ( P>0.05 ) .Conclusion Both moxifloxacin and levoflo-xacin were effective and safe in the treatment of elderly patients with community acquired pneumonia .And moxifloxacin had higher pathogenic bacteria clearance effects .
8.Ooplasmic transfer: problems and prospects
Wei-Ren DONG ; Xin-Xia QIU ; Ying-Hua CHEN ; Bing-Lei ZHAO
Journal of Southern Medical University 2006;26(8):1079-1082
Cytoplasmic transfer between human oocytes, which represents a complete cytoplasmic exchange, has been performed recently as a means to improve the outcome of assisted reproduction and becomes a hotspot of researches. Many studies have indicated that mitochondria in the oocytoplasm obviously affect fertilization of the oocytes and early embryo development. However, ooplasmic transfer can lead to mitochondrial DNA heteroplasmy and the prospect of mitochondrial heteroplasmy and its potential problems necessitate further studies. The authors reviews the ooplasmic transfer, the relation between ooplasm and fertilization and embryo development, and the mitochondrial heteroplasmy. The authors also propose a new theory of "reverse cloning technique".
9.Effects of experimental varicocele on CRES protein in the testis and epididymis of adolescent rats.
Xia XUE ; Si-min QIU ; Shu-dong QIU ; Qiu-yang ZHANG ; Hong TIAN
National Journal of Andrology 2006;12(11):974-978
OBJECTIVETo investigate the effects of experimental left varicocele (ELV) on the cystatin-related epididymal spermatogenic (CRES) protein in the testis and epididymis of adolescent rats.
METHODSThe ELV model of Sprague-Dawley (SD) male adolescent rats was established, and the expression of CRES protein in the testis and epididymis was detected by immunohistochemistry and Western-blot at 2 and 4 weeks after surgery.
RESULTSImmunohistochemistry and Western-blot detected CRES protein in both the testis and the epididymis of the ELV rats and the control rats. Immunohistochemistry showed that within the testis, CRES protein was expressed mainly in the cytoplasm of round spermatids and elongating spermatids, sperm acrosomes and residual bodies. The expression was most intensive at Stages I-III and IX-XIV, and then decreased gradually at Stages VII-VII and IV-VI. Within the epididymis, CRES protein was expressed mainly in the cytoplasm of the principal cells of epididymal epithelia. Western-blot detected CRES protein in Mr 19,000 and 14,000, stronger in the former than in the latter. Image and statistical analyses showed that the expression of CRES protein in the 2-week and 4-week ELV groups was significantly higher than in the control group (P < 0.05, or P < 0.01).
CONCLUSIONCRES protein expressed in both the testis and epididymis of adolescent rats and the expression is stage-specific and cell-specific in the testis and segment-specific and cell-specific in the epididymis. The expression of CRES protein in the ELV rats is much stronger than in their corresponding controls. It is suggested that CRES protein may be significantly involved in the regulation of spermatogenesis and sperm maturation, and possibly associated with varicocele-related male infertility or subfertility.
Animals ; Blotting, Western ; Cystatins ; biosynthesis ; Disease Models, Animal ; Epididymis ; metabolism ; Immunohistochemistry ; Male ; Rats ; Rats, Sprague-Dawley ; Testis ; metabolism ; Varicocele ; metabolism