OBJECTIVE:To study the effects of grape seed proanthocyanidin(GSP)on the transmembrane transport of sodium glycocholate (GA) and sodium taurocholate (TA) in colon glandular cell Caco-2. METHODS:Caco-2 model was used,and RP-HPLC was conducted to determine the contents of GA and TA in cell culture medium. The test was divided into GSP group, GA group,TA group,GSP+GA group and GSP+TA group,the transport volumes of transporting GA and TA from Transwell apical (AP)side to basolateral(BL)side by Caco-2 cell at 0,2,4,8 h were detected,respectively. RESULTS:The linear ranges of GA and TA were 0.05-1.2 mmol/L(R2=0.9999). With the time passing,transport volumes of GA and TA in BL site in GA group and TA group were sharply increased;while the transport volumes were obviously decreased after adding GSP,with statistical signifi-cance(P<0.01). CONCLUSIONS:GSP has inhibitory effect on the transmembrane transport of GA and TA in Caco-2 cell.

0.05). Conclusion: 100 g/L(NH 4) 2MoO 2F 4 solution may arres t root lesion progress as effectively as 380 g/L Ag(NH 4) 2F 4 solution and preferably to 20 g/L NaF solu tion.

Objective: To evaluate the diagnostic efficacy of the bitewing radiograph(BWR),clinic examination(CE) and laser fluorescence examination (LF) for detection of initial posterior approximal caries . Methods:A total of 162 approximal surfaces from 81 extracted posterior teeth were examined by BWR, CE and LF. The histological diagnosis of sectioned teeth was used as the validating criterion (gold standard) to assess the sensitivity, specificity, accuracy and reproducibility. Results: The sensitivity and accuracy of BWR was higher than those of CE or LF at the level of enamel caries. Conclusions: BWR is an accurate diagnostic method for initial posterior approximal caries in present clinic practice. The inferior efficacy of LF is mainly due to its poor reproducibility of approximal surfaces.

Objective To evaluate the effect of insulin on apoptosis in hippocampal neurons of sevoflurane-anesthetized mice.Methods Forty-five pathogen-free healthy male BALB/c mice,aged 5-6 weeks,weighing 18-22 g,were divided into 3 groups (n=15 each) using a random number table:control group (group C),sevoflurane group (group Sev) and insulin plus sevoflurane group (group IS).Insulin 2 U/20 μ1 was instilled via the nasal cavity for 7 consecutive days in group IS,and 0.9％ normal saline 20 μl was given instead in group C.After the end of insulin treatment,2.5％ sevoflurane was inhaled for 1 h in Sev and IS groups,and Morris water maze test was performed to assess the cognitive function 1 day later.The mice were then sacrificed and hippocampal tissues were obtained for determination of neuronal apoptosis (by TUNEL) and expression of Bcl-2 and Bax (by Western blot).Apoptosis index (AI)was calculated.Results Compared with group C,the escape latency was significantly prolonged at day 4 after operation,the percentage of time spent on the target quadrant was decreased at day 5 after operation,AI was increased,the expression of Bax was up-regulated,and the expression of Bcl-2 was down-regulated in group Sev (P＜0.05).Compared with group Sev,the escape latency was significantly shortened at day 4 after operation,the percentage of time spent on the target quadrant was increased at day 5 after operation,AI was decreased,the expression of Bax was down-regulated,and the expression of Bcl-2 was up-regulated in group IS (P＜ 0.05).Cornclusion Insulin improves the cognitive function of sevoflurane-anesthetized mice through inhibiting apoptosis in hippocampal neurons.

OBJECTIVE To explore the method to prevent 203 patients after liver transplantation from infection.METHODS According to infective reason after liver transpantation,the strict management in every step was performed,including establishing standard of infection control,strengthening the staff management,and separating the different area.RESULTS Multi-organs dysfunction sydrome was found in 4 patients after liver transplantation because of fungal infection,and the total mortality of patients after transplantation was 1.97%.CONCLUSIONS Strengthening the nursing management can take a significant effect for patients after transplantation to control infection and decrease mortality rate.

Objective To explore the biological effects of the luteinizing hormone receptor (LHR) and vascular endothelial growth factor (VEGF) on the ovary of mice during peri-implantation. Methods The immunohistochemistry SABC method and image analysis were used to study the distribution and changes of the LHR and VEGF in Kunming mouse( n =28) ovary during estrous,pregnancy of day 1, day 4 and day 6 stage. Results The expression of LHR-immunoreactive substance and that of VEGF-immunoreactive substance had the same distribution and changes. Compared with other groups,the level of LHR-immunoreactive substance and that of VEGF-immunoreactive substance increased highly on the stroma cells around largergrowing follicles in estrous group ( P <0.05). Along with the pregnancy, the positive immunostaining for LHR and VEGF increased gradually on the granulosa lutein cells, and reached the highest level on day 6 of pregnancy. Positive immunostaining for LHR or VEGF on some endothelia and blood cells were observed in day 1 of pregnancy or estrous group respectively. Form day 1 of pregnancy, the theca cells had positive immunostaining for LHR. Conclusion The expression of LHR and VEGF is closely related with the process of follicle growing, ovulation and corpus luteum formation.

Objective To study the effects ofXuling-Jiangu formula on bone mineral density and the bone biomechanic in the osteoporosis model rats.Methods According to the random number table method, 40 SD female rats were randomly divided into the caltrate D group, theXuling-Jianguformula group, the model group and the sham group,10 rats each group. In addition to the sham group, the other groups were osteoporosis model. After 30 days, the Caltrate D group received intragastric caltrate D mixed suspension 0.126 g/kg; the Xuling-Jiangu formula group receivedXuling-Jianguformula solution 15 g/kg, and the sham group and the model group received normal saline 10 ml/kg. After 12 weeks treatment, detection of left tibia bone mineral density andthree-point bending method was used for biomechanical testing.Results The mineral density of the Xuling-Jiangu formula group (0.244 ± 0.022 g/cm2,0.195 ± 0.017 g/cm2vs. 0.223 ± 0.013 g/cm2) were significantly higher than the model group and caltrate D group (P<0.01); compared with the model group, the bone biomechanictests in theXuling-Jiangu formula group (0.072 ± 0.036 kN vs.0.041 ± 0.015 kN; 843.754 ± 428.722 N/mm2vs. 482.084 ± 176.646 N/mm2) were significantly higher (P<0.05).ConclusionXuling-Jiangu formula canimprove the bone mineral density and the bone lbiomechanic of osteoporosis rats.

Objective To evaluate the effect of alprostadil on acute lung injury in septic rats. Methods Thirty adult male Sprague?Dawley rats, weighing 200-250 g, were randomly divided into 3 groups (n=10 each) using a random number table: sham operation group (group S), acute lung injury group ( group ALI) , and alprostadil group ( group Q) . The animals were anesthetized with intraperitoneal 1% pentobarbital sodium 5 ml∕100 g. Sepsis was induced by cecal ligation and puncture. In group Q, al?prostadil ( 10 μg∕2 ml) 2 ml∕kg was injected via the tail vein at 30 min before cecal ligation and puncture. The equal volume of normal saline was given in S and ALI groups. At 24 h after operation, blood samples were taken for determination of serum tumor necrosis factor?alpha ( TNF?α) and interleukin?6 ( IL?6) con?centrations by enzyme?linked immunosorbent assay. The animals were then sacrificed. The left lungs were immediately removed for microscopic examination, and the right lungs were immediately removed for deter?mination of wet∕dry lung weight ratio ( W∕D ratio ) , and expression of TNF?α mRNA and high mobility group box?1 ( HMGB1) using real?time reverse transcriptase?polymerase chain reaction. Results Com?pared with group S, the concentrations of serum TNF?α and IL?6 were significantly increased, and the ex?pression of TNF?α mRNA and HMGB1 mRNA was up?regulated, and W∕D ratio was increased in ALI and Q groups ( P<0?05) . Compared with group ALI, the concentrations of serum TNF?αand IL?6 were signifi? cantly decreased, and the expression of TNF?α mRNA and HMGB1 mRNA was down?regulated, and W∕D ratio was decreased in group Q ( P<0?05) . The pathological changes of left lungs were significantly attenua?ted in group Q as compared with group ALI. Conclusion Alprostadil can reduce acute lung injury in septic rats, and the mechanism may be related to down?regulation of HMGB1 expression and inhibition of inflam?matory responses.

BACKGROUND:Studies have shown the bone mineral density of postmenopausal women is closely related to parathyroid hormone. But there are differences in different areas.
OBJECTIVE:To investigate the association between BstBⅠ polymorphism of parathyroid hormone gene with bone mineral density in postmenopausal women from Fuzhou area.
METHODS:The bone mineral densities of the lumbar spine, femoral neck, trochanter and Ward’s triangle were measured in 150 postmenopausal women by dual energy X-ray absorptiometry. The genotype of parathyroid hormone gene was determined by polymerase chain reaction-restriction fragment length polymorphism.
RESULTS AND CONCLUSION:(1) The distribution of parathyroid hormone genotypes were BB genotype 68.8%, Bb 24.1%, and bb 7.1%. The B al elic gene frequencies reached 81%, while b was 19%. The distribution fol owed the Hardy-Weinberg equilibrium. (2) Analysis of the relationship between the genotypes and bone mineral density:There was no significant difference in the bone mineral densities of the lumbar spine, femur, neck, trochanter and Ward’s triangle among the three genotypes (P>0.05). BstBⅠ gene polymorphism of parathyroid hormone gene is not correlated to bone mineral density, and there is no enough evidence to support genotype of parathyroid hormone gene as a genetic marker in predicting the risk of developing osteoperosis in Fuzhou postmenopausal women.

Objective Toevaluatea modified Ziehl-Neelsen(Z-N) stain in the diagnosis of tuberculous meningitis. Methods Cerebrospinal fluid specimens from 35 patients were stained by using the modified Ziehl-Neelsen staining. Re-sults The positive rate was 94.29% in 35 patients with tuberculous meningitisand the intracellular acid-fast bacilli was detected in 53.40%of all specimens. One case was stained positive in 15 patients with non-tuberculous meningitis. Con-clusion The modified Ziehl-Neelsen stain not only significantly improves the detection rates of tuberculous meningitisbut alsois able to identify intracellular M.tuberculosisin cerebrospinal fluidspecimen.Thus, the modified Z-N stain can be a convenient tool for diagnosing tuberculous meningitis.