1.Effect of PTEN Gene in Regulation of Growth of Hepatocellular Carcinoma Cells by PPAR?
Hua XIAO ; Feng ZHANG ; Xuehao WANG
Chinese Journal of Bases and Clinics in General Surgery 2003;0(04):-
Objective To study the effects of peroxisome proliferators-activated receptor (PPAR) ? on the growth of human hepatocellular carcinoma cells and explore the roles of phosphatase and tensin homologue deleted on chromosome ten (PTEN) and phospho-Akt in this process. Methods SMMC-7721 cells were treated with 15-d-PGJ2 or pioglitazone, which were two kinds of PPAR? ligands, at different concentrations. The viability of SMMC-7721 cells was evaluated by MTT assay. The cell cycle was analyzed by flow cytometry. PTEN mRNA level was determined by RT-PCR. The protein expressions of PTEN and pAkt were measured by Western blot analysis. Results It was demonstrated through MTT assay that both 15-d-PGJ2 and pioglitazone had an inhibitory effect on the growth of SMMC-7721 cells in a time- and dose- dependent manner. According to flow cytometry detection, more cells were arrested in G0/G1 phase. Increased expression of PTEN mRNA was detected in 15-d-PGJ2 or pioglitazone-treated cells through RT-PCR. Increased expression of PTEN protein and decreased expression of pAkt were confirmed by Western blot analysis. Conclusion The ligands of PPAR? could inhibit SMMC-7721 cells proliferation in a time- and dose- dependent manner. The upregulation of PTEN may be involved in the underlying mechanism.
2.Clinical observation of multifocal intraocular lens with aspheric astigmatism in cataract surgery
Xiao-Feng, WANG ; Wei-Hua, YANG
International Eye Science 2017;17(8):1497-1500
AIM: By comparing the aspheric and multifocal Toric intraocular lens and the aspheric intraocular lens in cataract patients,to observe the patients` visual quality,to evaluate the patients` distance visual acuity,near visual acuity,Pseudo-accommodative power,residual astigmatism,the rotational stability of AcrySof IQ Toric Restor intraocular lens (IOLs),contrast the rate of off-distance glass,the rate of off-near glass and patient satisfaction after the implantation of AcrySof IQ Toric Restor IOL in the cataract patients with preexisting corneal astigmatism.METHODS:Carried out in 46 patients (48 eyes) with age-rated cataract who receiving phacoemulsification and implantation of artificial lens in our department during February 2014 to June 2016.All the cases were randomly divided into 2 groups: experimental group: 23 cases (24 eyes),AcrySof IQ ReSTOR Toric IOL was implanted after phacoemulsification;control group: 23 cases (24 eyes),AcrySof IQ was implanted.Uncorrected distance visual acuity (UCDVA) and best corrected distance visual acuity (BCDVA),uncorrected near visual acuity (UCNVA) and best-corrected near visual acuity(BCNVA),Pseudo-accommodative power,residual astigmatism,preoperative and postoperative corneal astigmatism,the rate of off-distance glass,the rate of off-near glass and patient satisfaction were measured at 6mo postoperatively follow-up.RESULTS: BCDVA and BCNVA were not statistically different between the two groups(P<0.05).At 1wk,1,3 and 6mo postoperatively of UCDVA the experimental group were statistically better than the control group (P<0.05).UCNVA were also statistically better than the control group (P<0.05).The mean residual astigmatisms 1wk,1,3 and 6mo postoperatively were statistically differences between the control group and experimental group (P<0.05).At 6mo postoperatively,patients satisfaction of experimental group were significantly better than control group (P<0.05).Spectacles independence for near vision achieved 83% and 17% in experimental group and control group,experimental group were statistically better than control group(P<0.05).Spectacles independence for distance vision achieved 92% and 67% in experimental group and control group,experimental group were statistically better than control group(P<0.05).CONCLUSION:The results indicate that AcrySof IQ ReSTOR Toric IOLs may provide a better uncorrected distance visual acuity and uncorrected near visual acuity,which can significantly reduce preexisting corneal astigmatism in cataract surgery,improve spectacles independence for distance vision and spectacles independence for near vision,have a high patient satisfaction.
3.Comparison of Nutritional Status before and after Treatment with Pre diasure on Children with Anorexia
xiao-shan, QIU ; zhi-feng, CHEN ; xiao-hua, HE
Journal of Applied Clinical Pediatrics 2004;0(09):-
Objective To evaluate the clinical effect of the enteral nutrient(Pediasure) on making improvements in nutritional status of children with anorexia.Methods Thirty children were treated with pediasure for 2 months, twice a day, and height(Ht),weight(Wt),AG,TSF,SSF,ASF,RBC,Hb were measured before and after treatment and their appetites,alimentary canal reactions were recorded.Results Compared with the effects after 2 months, the average Ht,Wt,AG,SF all increased, and there was significant difference between pretreatment and after treatment(P0.05). All of the 30 children had no adverse reactions during treatment.Twenty-two children (73.33%) had better appetites and increased the amount of eating after treatment.Conclusion The study suggests that pediasure may be safely used in the treatment of children′s anorexia and effectively improve patients′ nutrition without adverse reactions.
4.Evaluation on dosage-based efficacy-toxicity correlation of Tripterygium wilfordii against immune inflammation in mice.
Qing-hua ZHAO ; Xiao-yu LI ; Qun FENG ; Rong SUN
China Journal of Chinese Materia Medica 2015;40(6):1139-1143
OBJECTIVETo study the anti-immune inflammation efficacy and toxicity of Tripterygium wilfordii decoction, in order to provide experimental basis for studies on its "efficacy-toxicity" correlation.
METHODThe delayed hypersensitivity model was established by dinitrofluorobenzene in mice. Different doses of T. wilfordii decoction was administered for 5 consecutive days. The ear swelling inhibition ratio and the toxic action were observed. After the final administration, the biochemical indexes of PGE2, TNF-α, IL-2, ALT, AST, PA, TBA, TBIL in serum were detected, and the visceral indexes of heart, liver, spleen and kidney were measured.
RESULTThe DNFB-induced ear swelling could be notably inhibited by multiple oral administration of T. wilfordii decoction, with the ED50 and its 95% confidence limit of 0.34 (0.21-0.42) g x kg(-1). The contents of PGE2, TNF-α, IL-2 in serum decreased in a dose-dependent manner. The activities of serum AST, ALT, TBA, TBIL and the PA content reduced.
CONCLUSIONT. wilfordii decoction shows a significant anti-immune inflammation efficacy within the dosage range between 0.59 and 2.34 g x kg(-1) in a dose-dependent manner. With a certain hepatotoxicity, high dose (2.34-4.68 g x kg(-1)) of T. wilfordii decoction can cause substantial liver injury, with a dose dependence in liver function index. Therefore, the efficacy and toxicity of T. wilfordii is dose dependent, which provides reference for preventing adverse drug reactions in clinic and developing early-warning schemes and ensure the clinical medication safety of T. wilfordii.
Animals ; Anti-Inflammatory Agents ; administration & dosage ; chemistry ; toxicity ; Drug Dosage Calculations ; Drug Evaluation, Preclinical ; Drugs, Chinese Herbal ; administration & dosage ; chemistry ; toxicity ; Edema ; drug therapy ; genetics ; immunology ; Humans ; Interleukin-2 ; genetics ; immunology ; Male ; Mice ; Tripterygium ; chemistry ; toxicity ; Tumor Necrosis Factor-alpha ; genetics ; immunology
5.Mechanisms of Calcineurin Signaling Pathway Mediating Myocardium Apoptosis of Right Heart in Rats with Chronic Hypoxia
xiao-hong, XU ; jian-xin, TAN ; hua-jun, FENG
Journal of Applied Clinical Pediatrics 1986;0(01):-
Objective To investigate calcineurin signaling pathway which mediates myocardium apoptosis of right heart in rats with chronic hypoxia and the potential mechanisms of it.Methods A rat model of right ventricular hypertrophy(RVH) was established induced by chronic hypoxia(95-105 mL?L-1 O2).Used randomized block design based on different brood,30 rats were divided into 3 groups:treatment group with cyclosporine A(CsA,10 mg?kg-1?d-1,intraperitoneal injection),chronic hypoxia group,normal control group(with normal oxygen).The rats in CsA treatment group and chronic hypoxia group were exposed to normobaric chronic hypoxia(95-105 mL?L-1 O2,21 days).Apoptotic index(AI),calcineurin A?(CnA?) mRNA levels,Bcl-2 mRNA levels and the protein expression levels of CnA?,nuclear factor 3 of activated T cells(NFAT3) and Bcl-2 in right ventricle were investigated.Results 1.The AI of treatment group with CsA was higher than that in chronic hypoxia group(P
6.Comparison of axial length and anterior chamber depth obtained by A scan ultrasonography and IOL Master in different axial length groups
Feng-Miao, ZHUANG ; Qiu-Yi, XIAO ; Yan-Jun, HUA
International Eye Science 2017;17(9):1650-1654
AIM:To evaluate the repeatability of axial length (AL) and anterior chamber depth (ACD) obtained by A scan ultrasonography, and to compare AL and ACD obtained by A scan with those obtained by IOL Master.METHODS:Two hundred and fifty-seven cataract eyes of 170 patients were included.IOL Master and A scan were performed for each eye.Five measurements of IOL Master and 3 measurements of A scan were obtained.All the tested eyes were divided into 5 groups according to AL obtained by A scan:Group A (21
7.Effect of Genciclovir on Cytomegalovirus Infection of Children with Cerebral Palsy
Rui-hua LI ; Xiao-wei FENG ; Ying HUANG
Chinese Journal of Rehabilitation Theory and Practice 2006;12(2):99-100
ObjectiveTo investigate the therapeutic effect of genciclovir on cytomegalovirus (CMV) infection of children with cerebral palsy (CP).Methods36 CP children with CMV infection were randomly divided into treatment group and control group with 18 cases in each group. Children of treatment group were treated by genciclovir with 5 mg/kg i.v. drip q l2 h for 14 days at inductive phase and 7.5 mg/kg i.v. drip qod for 6 weeks at maintain phase. Cases of control group were treated by acyclovir with 5 mg/kg i.v. drip q 8 h for 14 days at inductive phase and 7.5 mg/kg i.v. drip q l2 h for 6 weeks at maintain phase. CMV-DNA contents in urine of two groups were measured before and after treatment.ResultsCMV-DNA contents in urine of two groups were not different before treatment (P>0.05). For control group, CMV-DNA contents were also not different before and after treatment. For treatment group, CMV-DNA contents after treatment significantly decreased compared with pre-treatment and that of control group after treatment (P<0.05).ConclusionGenciclovir is effect and safety for CMV infection of CP children.
8.Correlation between Toxoplasma infection and occurrence of children with cerebral palsy
Rui-hua LI ; Xiao-wei FENG ; Ying HUANG
Chinese Journal of Rehabilitation Theory and Practice 2004;10(9):553-553
ObjectiveTo investigate whether the Toxoplasma infection is the risk factor of occurrence of children cerebral palsy.Methods236 children with cerebral palsy and 428 normal children were included. Children were laminated to 4 groups by age:-3 months,-6 months,-9 months,-12 months. Final diagnosis was made by one or more finding following: plasma Toxoplasma DNA(TOX-DNA), plasma Toxoplasma circulating antigen(TOX-CAG), plasma Toxoplasma IgM(TOX-IgM), exclusion other congenital infected diseases.ResultsThe OR and 95%CI were 10.13,3.74-27.42 in -3 months,7.71,2.45-24.28 in -6 months,8.84,1.85-42.31 in-9 months(P<0.01 respectively), and 4.30, 0.83-22.28(P>0.05)in -12 months. ConclusionThere is correlation between the Toxoplasma infection and the children cerebral palsy; the earlier Toxoplasma infection, the greater the risk of cerebral palsy. Congenital Toxoplasma infection may be one of important factors in children cerebral palsy.
9.Effects of genistein on expressions of jak1 kinase and inteleukin-4 in lung of guinea pigs with bronchial asthma.
Xiu-feng ZHANG ; Zhen-hua HE ; Xiao-wu TAN
Chinese Journal of Applied Physiology 2009;25(3):328-348
Animals
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Asthma
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drug therapy
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metabolism
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Genistein
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pharmacology
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therapeutic use
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Guinea Pigs
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Interleukin-4
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genetics
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metabolism
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Janus Kinase 1
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genetics
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metabolism
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Lung
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metabolism
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Male
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Protein Kinase Inhibitors
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pharmacology
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therapeutic use
10.Advances in minimal residual disease detection with flow cytometry in childhood acute myeloid leukemia.
Jian-hua FENG ; Xiao-jun XU ; Yong-min TANG
Chinese Journal of Pediatrics 2013;51(3):231-234
Adolescent
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Child
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Child, Preschool
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Clinical Trials as Topic
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Flow Cytometry
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Hematopoietic Stem Cell Transplantation
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Humans
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Immunophenotyping
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Leukemia, Myeloid, Acute
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diagnosis
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pathology
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therapy
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Neoplasm, Residual
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diagnosis
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pathology
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therapy
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Polymerase Chain Reaction
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Prognosis
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Recurrence
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Sensitivity and Specificity