1.Progresses on mechanism of the relationship between gut microbiota and radiation injuries
Yang XU ; Yanyong YANG ; Fu GAO
Chinese Journal of Radiological Medicine and Protection 2017;37(2):157-160
Recently,researchers have paid attention to the relationship between gut microbiota and human health and attempted to investigate the effect of gut microbiota on radiation injury.More and more evidence showed that normal gut microbiota could maintain human health through Toll-like receptors,immune system and inflammatory reaction.Improvements of gut microbiota spectrum and its balance have become an effective strategy for the treatment of certain diseases.This paper reviewed the relationship between gut microbiota and radiation injury and underlying mechanisms,in order to provide novel theoretical evidence and guideline for the therapy of radiation enteritis and other diseases.
3.Clinical Analysis on Coagulation Markers in Advanced NSCLC Patients
Guowang YANG ; Qi FU ; Yongmei XU
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(06):-
Objective To discuss the distribution of coagulation markers in patients with advanced non-small cell lung cancer (NSCLC) and the correlation of these markers with the prognosis of the patients, the TCM syndrome and the long-term thrombotic events. Method Hospitalized NSCLC patients were selected for retrospective investigation and the coagulation markers data were analyzed with SPSS13.0. Result There were 10 cases (38.5%) and eight cases (30.8%) with one or more abnormal coagulation markers in the non-advanced NSCLC group, while there were 95 cases (71.4%) and 77 cases (57.9%) in the advanced NSCLC group. There were significant difference between the two groups (P
4.Predictive Value of Detection of hTERC Gene Copy Number in Cervical Epithelial Cells by means of Fluorescence in situ Hybridization and Human Papilloma Virus Testing for Cervical Intraepithelial Neoplasia
Yang XIANG ; Xiaoli ZHANG ; Yang LUO ; Qinghua XU ; Weiling FU
Chinese Journal of Nosocomiology 2009;0(14):-
OBJECTIVE To explore the predictive value of human telomerase RNA gene component(hTERC) gene amplification and high-risk human papilomavirus(HR-HPV) testing in cervical intraepithelial neoplasia(CIN) as a marker for early diagnosis of cervix carcinoma.METHODS Fluorescence in situ hybridization(FISH) was used to detect the amplification of hTERC of cervical epithelial cells in 72 cases.By using hybrid capture 2(HC-2),two types of the HR-HPV DNA(HPV16/18) of each case were detected.Then,the results were compared with the pathologic diagnosis.The dual-color probe we used was GLP TERC/CSP 3.HeLa cells and lymphocytes from normal marrow were the positive control,while the cervical specimens from healthy outpatients were the negative control.RESULTS hTERC Gene amplification of specimens was tested in 72 cases,the positive amplification rate of hTERC gene in the cervicitis/CINⅠgroup and normal,compared to the cervical carcinomas(100%) and CIN Ⅱ/Ⅲ(68.75%),which showed a significant difference.The rates in CINⅡ and CINⅢ were 60.00% and 83.33%,respectively,which showed a significant difference compared with normal and CINⅠ/inflammation groups.hTERC gene amplification was positive in both HeLa cells and lymphocytes from normal marrow and HC-2 testing was positive in 32 cases of patients containing 11 cases of CINⅡ/Ⅲ,3 cases of cervical cancer,18 cases of cervicitis/CIN1 diagnosed.The positive predictive value(PPV) and specificity(Sp) of hTERC for the high-grade CIN was significantly higher than the PPV and Sp of HC-2 HR-HPV testing.CONCLUSIONS hTERC Gene involves in the progression and occurrence of cervical intraepithelial neoplasia and cervical squamous carcinoma.As a marker for early diagnosis of cervical intraepithelial neoplasia and cervical squamous carcinoma,the FISH method for hTERC gene is more reliable to differentiate the malignant diseases from the benign ones in cervixes than HC-2 HR-HPV DNA testing.The combined detection of HR-HPV and hTERC gene will provide more effective and suitable management to enhance the early diagnosis rate of cervical intraepithelial neoplasia and cervical squamous carcinoma.
6.IN VITRO ANTI-ASPERGILLI ACTIVITY STUDY OF ACTIVE INGREDIENTS OF CHINESE HERBS BY BROTH MICRODILUTION TESTING
Xiao-Mei XIE ; Yang XU ; Ying-Yuan FU ;
Microbiology 1992;0(06):-
To develop a method to estimate the anti-Aspergilli activity of active ingredients of Chinese herbs. With the broth microdilution testing procedure proposed by NCCLS, anti-Aspergilli activity of active ingredients ( cinnamalde-hyde, cinn. and citral) of Chinese herbs was determined.The MIC values of cinn. to Aspergillus flavus, A.fumigatus were 0.100?g /mL , 0.050?g/mL.The MIC values of citral to A. flaws, A.fumigatus were 2.600?g/mL, 0.650?g/ mL.These results demonstrate that citral and cinn. have high potency activity against Aspergillus spp. .The research may provide references to establishing a standard for evaluating the effect of anti-Aspergilli Chinese herbs.
7.Effect of BBC-containing serum on the activity and apoptosis of osteoclasts in osteoblasts and osteoclasts co-culture system
Ronghua ZHANG ; Liqun XU ; Shuping FU ; Li YANG
Chinese Journal of Pathophysiology 1989;0(05):-
AIM: To study the effect of Bone-benefiting capsule(BBC)-containing serum on activity and apoptosis of osteoclasts(OC) in osteoblasts(OB) and osteoclasts co-culture system.METHODS:(1) OB were separated from the skull of SD rats aged 1 d and OC from the thighbone and shinbone of SD rats aged 5 d,the plane OB and OC co-culture system was established,in which the cells in each culture system did not intermix,but the culture medium communicated,and BBC-containing serum group and control group were concluded in the experiment.(2) Female SD rats aged 10 months were divided into BBC group and control group to prepare BBC-containing serum and control serum.(3) The TRAP secreted by OC was measured by the diazol method and the absorption of lacuna formed by OC was observed by microscope in OB and OC co-culture system to determine the activity of OC with the effect of BBC-containing serum.(4) The effect of BBC-containing serum on OC apoptosis in OB and OC co-culture system was examined by optical microscopes and fluorescence microscopes.RESULTS: In OB and OC co-culture system,the activity of TRAP secreted by OC of BBC-containing serum group were obviously lower than that of control group in 48 h,72 h and 96 h,the OC surviving numbers were obviously lower than that of control group and the rate of OC apoptosis was markedly higher than that of control group which showed an obvious time-efficiency relationship;the amount of the absorption of lacuna formed by OC in BBC-containing serum group was evidently lower than that of control group(P
8.Effects of ulinastatin on intestinal mucosal barrier after occlusion of portal vein in rats
Jing XU ; Jianping HE ; Nan ZHENG ; Fu YANG ; Ming WU
Chinese Journal of Current Advances in General Surgery 1999;0(03):-
Objective:To study the effect of portal vein occlusion on intestinal mucosal barrier in rats and the protection of ulinastatin to the injury,to present the experimental data for the clinical surgery.Methods:70 Sprague-Dawley rats were randomly divided into controlled group (n=10),operation group (n=30) and operation+medication group (n=30).The portal vein were occlused 40 min in the operation groups and operation+medication groups.2ml blood from portal vein,lymph nodes around appendix,1cm small intestine wall were taken for endotoxin levels,bacterial translocation and pathiology examinations in the all rats 280 mins after operation.The mocusal barrier and microscopic structure of intestine were observed.Results:Compared between the control group and the operation group,endotoxin levels,bacterial translocation rates rise greatly and gut structure change obviously in the latter.Compared between the operation group and operation+medication group,the former changes is also obvious.Conclusion:The occlusion of portal vein can leads the decrease of intestine mocusal barrier and the increase of its permeability.Ulinastatin has a good protective effect on the damages above.
9.Determination of Quercitrin in Saxifrage by HPLC
Yimin ZHENG ; Yanhong YANG ; Xiuying XU ; Shanquan FU
China Pharmacy 2005;0(18):-
OBJECTIVE:To establish a HPLC method for the determination of quercitrin in Saxifrage.METHODS:The analysis was performed on C18 column(150mm?4.6mm,5?m),the mobile phase was MeOH-0.2%H3PO4 (45∶55)with a flow rate at 1.0ml/min and wavelength at 350nm under room temperature.RESULTS:There was a good linear relationship when the sample size of quercitrin was at a range of 0.40?g~2.00?g(r=0.9 996),the recovery was 95.33%with RSD at 2.80%.CONCLUSION:This method was simple,stable,fast,and reproducible and without the interference of impurity,which can be used for the content determination of quercitrin in Saxifrage.
10.Relationship between HDL subclasses and TC/HDL-C, TG/HDL-C ratio
Lianqun JIA ; Lantu GOU ; Mingde FU ; Yanhua XU ; Luchuan YANG
Chinese Journal of Pathophysiology 1986;0(01):-
2.2 in serum, the particle size of HDL shifted towards smaller sizes, which indicates that reverse cholesterol transport might be weakened and HDL maturation might be abnormal.