ObjectiveTo explore the relationships among atrial natriuretic peptide (ANP) and cerebral vasospasm (CVS) following subarachnoid hemorrhage (SAH) and hyponatremia.MethodsPlasma ANP levels and serum natrium and blood flow rate of intracal major arterial were assessed at different times (1 to 3 days, 7 days and 14 days after SAH) in 42 patients with SAH. Correlation analysis was carried out among plasma ANP, blood sodium level and blood flow rate of intracal major arterial.Results28 patients had CVS. Plasma ANP levels in CVS patients significantly elevated compared with non-CVS and control subjects (P<0.05). Hyponatremia in CVS patients also significantly elevated compared with non-CVS subjects (P<0.05). Plasma ANP level had significant negative relationship with serum natrium level at the 7th day and 14th day (r2=-0.778,r3=-0.653;P<0.01,P<0.05) in SAH patients. Plasma ANP level had significant positive correlation with middle cerebral artery mean flow velocity on the 7th day (r3=0.702,P<0.05) in SAH patients. Middle cerebral artery mean flow velocity had significant negative relationship with serum natrium level on the 7th day and 14th day (r2=-0.693,r3=-0.653 , both P<0.05) in SAH patients.ConclusionANP might cause hyponatremia following SAH and play an important role in pathogenesis of earlier period CVS.

Objective:To investigate the expression of wild type estrogen receptor(wER)and the ex-on-5 deleted ER(variant ER,vER)in human hepatocellular carcinoma(HCC)samples,and thereafteranalyze the possibility of HCC treatment by endocrine therapy.Methods:The mRNA expressions of wERand vER were analysed from 28 cases of HCC by RT-PCR.The expression of ER at the protein level wasdetected by immunohistochemistry(IHC).Results:IHC results showed that 39.3% of the HCC speci-mens expressed ER.The mRNA of wER was detected in 89.3%(25/28)of the HCC specimens whilethat of vER was detected in 96.4%(27/28).Twenty four out of 28 HCC cases(85.7%)expressedboth wER and vER.One out of 28 patients(3.5%)expressed only wER whereas 3 patients out of 28(10.7%)expressed vER only.Conclusion:Ninety six percent(27/28)of the HCC patients expressedvER,which suggests that the expression of vER is an important event in the development of HCC.

Burn patients often suffer from different degrees of dysfunction, such as residual burn wounds, formation of hyperplastic scar, scar itching, cardiopulmonary dysfunction, limitation of motion, and psychological disorders, which exert severe impact on their daily life. This article reviews various rehabilitation treatments for dysfunction after burn injury to promote rehabilitation of burn patients.
Burns ; physiopathology ; rehabilitation ; China ; Humans ; Rehabilitation ; methods

Objective To explore the relationship between coagulation/anticoagulation imbalance and oxidative stress in the patients with chronic obstructive pulmonary disease during acute exacerbation (AECOPD)before and after treatment.Methods Plasma tissue factor(TF)and tissue factor pathway inhibitor(TFPl)activity was detected by chromogenic assay in 28 AECOPD patients before and after treatment as well as in 30 healthy controls.The total antioxidative capacity(TAC),malondialdehyde (MDA)and gtutathione peroxidase(GSH-PX)in plasma were measured in both groups.Results The levels of plasma TF and TFPI,and their ratio(TF/TFPI)in AECOPD patients before treatment were significantly higher than those after treatment(all P<0.0 1),the latter were still higher than those in the healthy persons(all P<0.01).The levels of the TAC and GSH-PX in plasma in AECOPD patients before treatment were significantly lower than those after treatment(all P<0.01),the latter were still lower than those in the healthy persons(all P<0.01).The plasma MDA in AECOPD patients before treatment was significantly higher than that after treatment(P<0.0 1),which was still higher than that in the healthy persons(P<0.05).There were negative correlations between TF/TFPI ratio and TAC(r=-0.518.P<0.01),GSH-PX(r=-0.454,P<0.05),PaO2(r=-0.511,P<0.01)respectively and a positive correlation between TF/TFPI ratio and the percentage of neutrophils(r=0.379,P<0.05)in AECOPD patients before treatment.There still were negative correlations between TF/TFPI ratio and TAC (r=-0.420,P<0.05),FEV1% to predicted(r=-0.480,P<0.05)respectively,and a positive correlation between TF/TFPI ratio and MDA(r=0.45 1,P<0.05)in AECOPD patients after treatment.Conclusions There existed coagulation/anticoagulation imbalance and oxidation/antioxidation imbalance before and after treatment in AECOPD patients and their relationship was explored.

Objective To observe the process of Vibrio vulnificus inducing dendritic cell strain apoptosis.Methods We established the mixed culture model of mouse dendritic cell ( DC 2.4 strain) and Vibrio vulnificus( Vv1.1758 strain ),analyzed morphological characteristics of cell apoptosis by DAPI fluorescence staining,detect DNA fragmentation level of apoptosis cells by DNA Ladder assay,analyze DC2.4 apoptosis rate by Annexin V FITC/PI staining,determine activities of caspase-3 and caspase-8 by means of spectrophotometric method and detect changes of mitochondrial transmembrane potential ( △ Ψm ) by JC-1 fluorescence labeling.Results After Vv1.1758 strain and DC2.4 cell were mixed and cultured for 4 h,DAPI fluorescence staining showed typical apoptosis characteristics-chromatin condensation and marginalization; DNA agarose gel electrophoresis showed apoptosis band; apoptosis rates at 2,4 and 6 h were respectively (37.8±9.8) ％,(54.3 ± 12.7 ) ％ and ( 68.2± 14.6 ) ％ ; Mitochondrial transmembrane potentials (△Ψm) at 1 h,2 h and 4 h reduced by 7.1％,16.1％ and 46.7％ respectively; caspase-8 activity increased at 1.5 h and reached the peak at 2 h [ (2.48±0.19) U/μg],while caspase-3 activity started to increase at 3h and reached the peak at 4 h [ ( 1.91 ±0.16) U/μg ].Conclusion Vibrio vulnificus could induce dendritic cells by two pathways: reducing mitochondrial transmembrane potential and activating caspase-8 promoter and finally activate effector caspase-3 to promote apoptosis.

Objective To investigate whether recombinant human endostatin can create a time window of vascular normalization prior to vascular pruning to alleviate hypoxia in Lewis lung carcinoma in mice. Methods Kinetic changes in morphology of tumor vasculature in response to recombinant human endostatin were detected under a confocal microscope with immunofluorescent staining in Lewis lung carcinomas in mice. The hypoxic cell fraction of different time was assessed with immunohistochemical staining . Effects on tumor growth were monitored as indicated in the growth curve of tumors . Results Compared with the control group vascularity of the tumors was reduced over time by recombinant human endostatin treatment and significantly regressed for 9 days. During the treatment, pericyte coverage increased at day 3, increased markedly at day 5, and fell again at day 7. The vascular basement membrane was thin and closely associated with endothelial cells after recombinant human endostatin treatment, but appeared thickened, loosely associated with endothelial cells in control tumors. The decrease in hypoxic cell fraction at day 5 after treatment was also found. Tumor growth was not accelerated 5 days after recombinant human endostatin treatment. Conclusions Recombinant human endostatin can normalize tumor vasculature within day 3 to 7, leading to improved tumor oxygenation. The results provide important experimental basis for combining recombinant human endostatin with radiation therapy in human tumors.

AIM: To evaluate visual outcome and wearing times in eyes fitted with a rigid gas permeable contact lenses and to assess the role of these lenses in therapeutic contact lens practice.METHODS: Patients fitted with RGP from May 2004 to December 2005 were retrospectively reviewed. Ocular diagnosis,flat and steep curvatures by corneal topography. The data included initial base curve, power, and the number of changes made in parameters during the follow-up. The outcome data included visual acuity and the duration of follow-up and lens wear. Complications and complaints were also noted.RESULTS: Forty-Three eyes of 25 patients had keratoconus were reviewed. The mean age of patients was 19.88 ±3.11years. 26 (60.5%)eyes achieved 20/20 visual acuity;15(34.9%) eyes achieved 20/25 to 20/40; and 1 (2.3%) eyes achieved 20/50 to 20/70. 37 (86.0%) eyes achieved visual improvement. No infection or neovascularization was noted; a corneal abrasion occurred in one eye.CONCLUSION: RGP may be a better alternative in selected patients with keratoconus rather than penetrating keratoplasty.

The paper is about the systematic studies of biological characteristics of 15 stains rhizobia isolated purified from Acacia confusa grew in Guangxi karst environment.The results showed that there were typical characteristics of rhizobia.there were negative reaction about use of 3-ketolactose and beef extract peptone nutrient agar medium,and positive reaction about use of starch and citrate medium,and produce acid in reaction of BTB and litmus milk medium,(NH4)2HPO4 was used as nitrogen sources and both four monosaccharides and three disaccharides could be utilized as carbon sources in 15 strains rhizobia isolated Acacia confuse.Among the 15 strains for the tests,11 strains could deoxidize the nitrate of medium into nitrite,14 strains could grow well on NaCl solution concentration 3.0 %～4.0 %,14 strains could grow at 39℃,13 strains may grow on highest pH12 and 4 strains on lowest pH4 cultrue medium.15 strains can grow in 10% and 11 strains in 10%～30% of CaCO3 solution concentration.

Objective To evaluate the effects of OPRM1All8G and CYP3A4*18B genetic polymorphism and the interaction on postoperative analgesia with fentanyl in the patients undergoing radical resection of lung cancer.Methods One hundred and thirty-nine patients (native of Henan province),aged 40-64 yr,weighing 40-70 kg,of American Society of Anesthesiologists physical status Ⅰ or Ⅱ,scheduled for elective radical resection of lung cancer under general anesthesia,were enrolled in this study.The polymorphic sites of the OPRM1All8G and CYP3A4*18B allele were analyzed by using polymerase chain reaction technique and ABI 3130 Genetic Analyzer.The patients were divided into wild homozygote group (group AA,group *1/*1),heterozygote group (group AG,group * 1/*18B) and mutation homozygote group (group GG,group *18B/*1SB) according to their genotypes.The patients were divided into 7 groups according to the interaction between the two genes:AA plus *1/*1 group (group Ⅰ),AA plus *1/*18B group (group Ⅱ),AG plus *1/*1 group (group Ⅲ),AG plus *1/*18B group (group Ⅳ),GG plus * 1/*1 group (group Ⅴ),GG plus *1/*18B group (group Ⅵ) and *18B/*18B group (group Ⅶ).Patientcontrolled intravenous analgesia with fentanyl was started at the end of surgery to maintain the visual analogue scale ≤ 3 points.The amount of fentanyl used within 24 and 48 h after surgery was recorded,and the occurrence of adverse reactions within 48 h after surgery was observed.Results The amount of fentanyl used within 24 and 48 h after surgery was significantly higher in group GG than in group AA (P＜0.05).The amount of fentanyl used within 48 h after surgery was significantly lower in group *18B/*18B than in group *1/*1 (P＜0.05).The amount of fentanyl used within 48 h after surgery was significantly higher in Ⅱ and Ⅳ groups than in group Ⅰ,in group Ⅲ than in group Ⅱ,in group Ⅴ than in Ⅰ-Ⅳ groups,and in group Ⅵ than in Ⅱ and Ⅳ groups,and was significantly lower in group Ⅶ than in Ⅰ-Ⅵ groups (P＜ 0.05).There was no significant difference in the incidence of adverse reactions within 48 h after surgery between groups (P＞0.05).Conclusion OPRM1A1l8G and CYP3A4*18B genetic polymorphism and the interaction are the genetic factors contributing to individual variation in fentanyl pharmacodynamics in the patients undergoing radical resection of lung cancer.

Objective To establish a novel TRFIA for the measurement of heparanase (HPA) in serum samples,and investigate its clinical application.Methods The micro-pore plate wells were first coated with partially recombinant murine anti-human HPA monoclonal antibody.Biotin-labeled recombinant HPA protein was then used to compete with HPA in serum samples,and the prepared europium (III)-labeled streptavidin (Eu3+-SA) was used as signal readout for establishing the BSA-TRFIA assay.Using this assay,the serum HPA levels in healthy subjects (n=32) and tumor patients (n=54) were measured.The results of BSA-TRFIA were compared with those of ELISA.Two-sample t test (or t' test),and linear correlation analysis were used to analyze the data.Results The sensitivity of BSA-TRFIA for measuring HPA was 0.33 ug/L.The CV values for intra-batch and inter-batch were 5.29% and 7.54%,respectively.The average recovery rate was 105.5%.The standard curve range was 0-1 000 ug/L.The serum HPA level measured by the BSA-TRFIA method in healthy subjects was (2.03_+ 1.47) Iug/L.In tumor patients,the HPA level was significantly higher:(22.13_+7.38) ug/L (t'=19.388,P