1.Genistein inhibits the promotive effect of IL-1? on osteoclastic bone resorption
Bin-Bin LI ; Shi-Feng YU ; Shu-Zhen PANG ;
Journal of Peking University(Health Sciences) 2003;0(06):-
Objective:To investigate the effect of genistein,a soybean-derived isoflavone,on thestimulating effect on bone resorption of IL-1?.Methods:The osteoclasts(OCs)were isolated with themethods of Yu Shifeng.The rat calvaria were cultured as an organ.The cells in the experiment weregrown in four respectively:Control(without genistein or IL-1?),10~(-6) mol/L genistein,10 ?g/L IL-1?and 10~(-6) mol/L genistein+10 ?g/L IL-1?.The area of bone resorption,the concentration of Ca~(2+) in thesupernatant liquid of OCs cultures and mice calvaria were tested.The contents of acid phosphatase(ACP)were also examined by biochemistry method.The index of bone resorption was counted as the ra-tio of the experiment average and control ones,which indicated the increase in bone resorption when itwas above 1.0.Results:The area of bone resorption of 10~(-6) mol/L genistein+10 ?g/L IL-1? increasedcompared with that of 10~(-6) mol/L genistein,while the concentration of Ca~(2+) in the supernatant liquid ofOCs cultures decreased significantly.The index of bone resorption of 10~(-6) mol/L genistein+10 ?g/L IL-1? lied between 10~(-6) mol/L genistein and 10 ?g/L IL-1?.In the organ culture,there was no differencein the content of ACP among all the groups,The index of bone resorption of 10~(-6) mol/L genistein+10?g/L IL-1? was below that of 10?g/L IL-1?,but both were above 1.0.The index of bone resorptionwas below 1.0 in the group of 10~(-6) mol/L genistein.Conclusion:Genistein can suppress obviously thebone resorption simulated by single IL-1?.
3.Analysis of 105 cases of pregnancy -induced hypertension patients with Ⅲphase of retinopathy
Xiao-Yun, QIU ; Jian-Ling, GUO ; Feng-Ci, YU ; Shu-Zhen, LIANG ; Zhen-An, LI ; Qing-Quan, HE
International Eye Science 2014;(9):1699-1701
To explore the related risk factors and outcome in pregnancy- induced hypertension patients with Ⅲ phase of retinopathy.
●METHODS: A total of 105 pregnancy - induced hypertension patients with Ⅲ phase of retinopathy in our hospital from Januany 2012 to December 2013 were enrolled. Clinical date of them were collected to analyze.
●RESULTS: The occurrence of pregnancy - induced hypertension patients with Ⅲ phase of retinopathy were positively correlated with the course of the disease, blood pressure, proteinuria, and it was higher occurred in cold winter and spring, timely termination of pregnancy and appropriate hormone therapy can promote the recovery of vision, and improve outcomes of pregnancy.
●CONCLUSlON: The occurrence of pregnancy - induced hypertension patients with Ⅲ phase of retinopathy associated with season and disease severity. Timely treatment can restore normal vision, improve maternal and neonatal prognosis. Routine examination of fundus examination should be used as the pregnancy induced hypertension syndrome.
4.Fungal detection of American ginseng seeds from Beijing and northeast area in China.
Guo-zhen ZHANG ; Shu-feng ZHANG
China Journal of Chinese Materia Medica 2002;27(9):658-661
OBJECTIVEThe quantity and genus of fungi on 13 samples of American ginseng seed from Beijing and Northeast area in China were detected.
METHODWashing and surface sterilization were used to isolate the fungi existed on seed surface and inside of the seed, respectively.
RESULTThe genera of the fungi in embryo and shell of the seeds mainly belonged to Fusarium spp., Alternaria spp., Penicilium spp., Cephalosporium sp., Rhizopus spp., and a small quantity of Mucor, Aspergillus, Tritroderma, Doratomyces and so on. The isolated fungal frequencies on the shell and in the embryo were 36%-100% and 40%-100% respectively.
CONCLUSIONThe fungal frequency of American ginseng seed was higher. There were significant differences among different seed samples, the main fungal genera and isolation frequency in the seed embryo were identical with the results from the seed shell.
Alternaria ; isolation & purification ; China ; Fusarium ; isolation & purification ; Mitosporic Fungi ; isolation & purification ; Panax ; classification ; microbiology ; Plants, Medicinal ; microbiology ; Rhizopus ; isolation & purification ; Seeds ; microbiology
5.Evaluation of the value of ultrasound elastography in differential diagnosis of benign and malignant thyroid solid nodules
Shu-zhen, CONG ; Li-sang, WU ; Qing, CHEN ; Man-li, WANG ; Zhan-wu, FENG
Chinese Journal of Endemiology 2011;30(2):214-217
Objective To evaluate the value of ultrasound elastography score and strain ratio index in the differential diagnosis of thyroid solid nodules. Methods Eighty-six thyroid solid nodules of 69 patients were divided into 2 groups based on their pathologic results: benign nodules group and malignant nodules group.Compared with pathological results, each thyroid solid nodules' elastographic scores and strain ratio index were respectively analyzed. The sensitivity, specificity and accuracy of elasticity score and strain ratio index were calctlated.The receiver operator characteristic (ROC) curves were drawn according to the results, to choose the best cut-off value.Results There were 67 nodules in benign nodules group and 19 nodules in malignant nodules group. The diameter of benign nodules was (2.05 ± 0.21)cm, malignant nodules was (1.62 ± 0.12)cm. There were no significant differences in the elasticity score and strain ratio index between benign and malignant nodules(t= - 1.736, P > 0.05). Malignant lesions had a higher score and strain ratio index(median 3, 3.97, respectively) than benign ones(median 2, 1.66,respectively, Z = - 5.290, - 5.450, all P < 0.05). If the cut-off value of the elastographic scores was equal or more than 3, the sensitivity, specificity and accuracy were 84.2%(16/19) ,86.6%(58/67) and 86.0%(74/86), respectively,with an area under ROC curve of 0.854. If the cut-off value of the strain ratio index was equal or more than 2.50,the sensitivity, specificity and accuracy were 89.4%(17/19),86.6%(58/67) and 87.2%(75/86), respectively, with an area under ROC curve of 0.911. Conclusion Elasticity score and strain ratio index are helpful in differentiating benign and malignant lesions of thyroid with high clinical value.
6.A study of oral colonization of mutans streptococci and feeding habits in infants.
Ling TONG ; Feng-zhen GENG ; Shu-jie LIU
West China Journal of Stomatology 2004;22(1):43-45
OBJECTIVETo study the correlation of prime colonization time of Mutans Streptococci and feeding habits in infants.
METHODSOne hundred and eighty children (aged 6-24 months) from Shenyang city were examined for the colonization of MS Related items were registered by completed questionnaires.
RESULTSThe study showed a correlation between prime colonization time and feeding mode, breast feeding, feeding frequency during bedtime, asleep habits.
CONCLUSIONAdvocating reasonable feeding mode and asleep habits is effective to interdict or delay MS's colonization and transmission in child to prevent caries.
Bottle Feeding ; Breast Feeding ; Child, Preschool ; Colony Count, Microbial ; Dental Caries ; prevention & control ; Feeding Behavior ; Female ; Humans ; Infant ; Male ; Mouth ; microbiology ; Streptococcus mutans ; isolation & purification ; Surveys and Questionnaires
7.Inhibitory effects of CD4+CD25+regulatory T cells on effector T cells in murine cytomegalovirus infection
Yanan LI ; Feng FANG ; Hong ZHEN ; Sainan SHU ; Yufeng ZHOU ; Yongsui DONG
Chinese Journal of Microbiology and Immunology 2008;28(3):234-238
Objective To explore the role of CD4+CD25+regulatory T cells(Treg)in the co-culture svstem consisting of T cells and mouse embryo fibroblasts(MEF)infected with murine cytomegalovirus (MCMV)in vitro.Methods A co-culture system of T cells and MCMV infected MEF(MEFMCMV)was established.The viral load in the supernatants was determined by plaque assay.TH1/TH2 differentiation-specific transcription factors T-bet/GATA-3 were assayed by Western blot.The levels of cytokines IL-4,IL-10and IFN-γ in the co-culture supenatants were measured by double-antibody sandwich ELISA.Results After 3 d incubation,the viral load in the supernatants of TdepTreg-MEFMCMC group,in which the T cells depleted Treg(TdepTreg)were co-cultured together with MEFMVMV,was significantly lower than that in MEFMCMV group.And in the co-cultivation of MEFMCMV and T cells without Treg the expressions of T-bet/GATA-3,IL-4,IL-10 and IFN-γ incteased significantly.Compared with the virus content in the TdepTreg-MEFMCMV group,the MCMV load in the"add-on Treg group"increased and the levels of T-bet/GATA-3 and IFN-γ were lower,and the expression of IL-4 didn't show any significant difference. Compared with the level of IL-10 in the TdepTreg-MEFMCMV group,the IL-10 level in the"add-on TREG group"didn't show any significant differece when the Treg ratio among total T cells was 1%~2%,and increased significantly when the Treg ratio was more than 5%.These eflfects were all correlated with Treg ratios in a dose-dependent manner.Conclusion MCMV infected MEF can induce the proliferation and activation of effector T cells,but Treg can inhibit the T cell-mediated protective effect on MCMV infection.
8.Integrated Model of Rehabilitation and Education of Cerebral Palsy in Hospital
Wen-xin LI ; Yan ZHONG ; Shu-zhen FENG ; Xuguang QIAN ; Yan GUO ; Shaolan LIU ; Zhenhuan LIU
Chinese Journal of Rehabilitation Theory and Practice 2006;12(10):839-840
ObjectiveTo explore the new rehabilitation model of medication combined with education of cerebral palsy.MethodsThe cross-professionals were organized to assess and observe 126 children with cerebral palsy. Then, individual education plan (IEP) combined with medication, family, feeding was made and performed.ResultsAfter educational rehabilitation, the children with cerebral palsy got improvement in intellection, social adaptation, communion aspiration, thinking and etc. They became more cooperated in medical rehabilitation.ConclusionInterdisciplinary cooperation, IEP, participation of parents are the conditions for success of medical rehabilitation combined with education.
9.Pathogenicity of fungi isolated from American ginseng seeds and bioassay of fungicides against the pathogenic fungi.
Guo-zhen ZHANG ; Shu-feng ZHANG
China Journal of Chinese Materia Medica 2004;29(2):138-141
OBJECTIVEDetect the pathogenicity of fungi isolated from American ginseng seeds and select new fungicides against the pathogenic seed-born fungi.
METHODinoculate the isolates to American ginseng seedlings to detect the pathogenicity, and seeded the hyphae disk at the center of agar plate containing chemicals to do fungicide bioassay.
RESULTFusarium sp. isolate 5 and Alternara sp. isolate 13 had pathogenicity to American ginseng seedling. Sportak had the strongest inhibition to the two isolates, Carbendazim had better inhibition and Celest had weak inhibition.
CONCLUSIONSportak and Celest could be used as efficacious candidate chemicals to treat or coat the American ginseng seeds, and substitute Carbendazim, which has been used for many years, to control the diseases occurring in seedling stage of American ginseng.
Alternaria ; drug effects ; isolation & purification ; Benzimidazoles ; pharmacology ; Carbamates ; pharmacology ; Fungicides, Industrial ; pharmacology ; Fusarium ; drug effects ; isolation & purification ; Panax ; growth & development ; microbiology ; Plants, Medicinal ; growth & development ; microbiology ; Seedlings ; growth & development ; microbiology ; Seeds ; growth & development ; microbiology
10.Expression of MRP1/CD_9 in cervical squamous cell carcinoma tissue and its clinical significance
Xiao-Ming SHU ; Run-Yuan JI ; Cheng-Hai WANG ; Xiao-Ning LI ; Jian WU ; Zhen-Qing FENG ;
Cancer Research and Clinic 2006;0(12):-
Objective To investigate the clinical significance in MRP1/CD_9 expression in cervical squamous cancer tissues and normal cervical tissues.Methods The expression of MRP1/CD_9 were assayed by SABC immunohistochemical methods in 53 cases of cervical cancer tissues and 13 cases of normal cervical tissues.Results Positive expression of MRP1/CD_9 was detected in 13 normal cervical tissue.MRP1/D_9 ex- pression is down-regulated in cervical carcinoma(P