With the continuous research on Salvia miltiorrhiza Bunge-the presentative with funtion of blood-cicnlation-acfiviating of Traditional Chinese Medicine was found to have the effects of inhibiting tumour metastasis.The present study indicated that Salvia miltiorrhiza Bunge prevents metastasis mainly by way of enhancing immune system function,inducing tumour cell differentiation and inhibiting the expression of molecule adhesions.Owing to further clarification of its mechanism of antimetastasis,Salvia miltiorrhiza Bunge is expected to become an effective medicine in preventing metastasis.

Female ; Humans ; Male ; Occupational Diseases ; epidemiology ; Proportional Hazards Models ; Time Factors ; Trinitrotoluene ; poisoning

Objective To discuss the best bacterial combination for the diagnosis of Bacterial vaginosis (BV).Methods This is a retrospective study,230 BV-positive patients and 360 healthy women were enrolled based on the Amsel criteria and Nugent score.5 BV-associated bacteria,including Gardnerella vaginalis,Atopobium vaginae and Leptotrichia/Sneathia species,et al.were amplified by specific-PCR assay,the detection rate were compared between two groups.ROC curve and Kappa test were used to select the best combination.Results The detection rate of Gardnerella vaginalis,Atopobium vaginae,Leptotrichia/Sneathia species,Megasphaera species and Mobiluncus mulieris in BV group (91.3％,83.5％,39.1％,42.6％ and 36.5％ respectively) were markedly higher than that in healthy women (37.2％,14.4％,11.7％,8.9％ and 5.6％ respectively),x2 value were 168.848,275.776,60.949,92.886 and 92.68,all P ＜ 0.05.The area under ROC curve of A.vag,G.Vag + A.vag,G.Vag + A.vag + Lepto,G.Vag + A.vag +Mega and G.Vag + A.vag + M.mul were 0.845,0.862,0.865,0.869 and 0.867,and the sensitivity and specifity were higher than 80％,the value of Kappa were larger than 0.75 (P ＜ 0.05).Thus,these five methods were coincident.Conclusion Detection of Atopobium vaginae may be a better way for the diagnosis of BV.

Adult ; Benzene ; Biomarkers, Tumor ; blood ; Female ; Humans ; Male ; Middle Aged ; Occupational Exposure ; Serum ; chemistry

Objective To assess the diagnostic value of CT-gnided pereutaneous fine-needle aspiration biopsy (FANB) for the space-occupying lesions of the pancreas. Methods The authors retrospectively reviewed the medical records of 68 patients with pancreatic lesions who underwent CT-guided percutaneous fine-needle aspiration biopsy. The lesions were located at the pancreatic head (n = 49), body (n = 12) or tail (n = 7). The maximum diameter of the 68 lesions ranged from 2 cm to 7 cm. The lesion's diameter was < 3 cm in 10 cases and was ≥ 3 cm in 58 cases. A 20-gauge fine-needle was used to puncture and to make the aspiration in all patients. Both plain and contrast-enhanced abdominal CT scanning were performed before the biopsy procedure. The technical key points of aspiration biopsy included selection of the appropriate cross-section, the entry of the needle, and multiple insertions in fan-like fashion with fast manipulation of puncture and aspiration. All biopsy specimens were sent for pathologic evaluation. Results All the lesions were safely and successfully punctured through the anterior approach without major complications. The technical success of needle puncturing was 100%. Of 68 patients, the pathological results obtained from the biopsy included malignant tumor in 46, benign lesion in 17 and no abnormal finding in 5, of which follow-up observation found no abnormality in 2 and malignant process was eventually confirmed in remaining three. The overall accuracy, specificity and sensitivity of the biopsy were 96%, 95% and 100%, respectively. The accuracy of CT-guided biopsy for malignant and benign lesions was 94% and 100% respectively (P > 0.05). The diagnostic accuracy for lesions larger than 3.0 cm (97%) or located at the pancreatic tail (100%) was a little higher than that for lesions smaller than 3.0 cm (90%) or located at the pancreatic head (96%) or body (92%), although the difference was not statistically significant (P > 0.05). No serious complications occurred in our series. Conclusion CT-guided percutaneous fine-needle aspiration biopsy is a safe and effective technique for the diagnosis and differentiation of the space-occupying lesions of the pancreas.

ObjectiveTo evaluate the clinical value of the rate of fetal urine production rate (UPR) in fetus with twin-to-twin transfusion syndrome(TTTS).Methods 22 continuative normal monochorionic diamniotic(MCDA) twin fetuses were selected as controll group.Eight fetuses with TTTS were selected as disease group,and UPR was measured by three-dimensional ultrasound virtual organ computer-aided analysis (VOCAL) and the rate of UPR in twin was calculated.Results1)The rate of UPR of twin fetuses in MCDA did not vary significantly throughout pregnancy (0.97 ± 0.28).The correlation coefficient between the rate of UPR and gestational age was 0.13,without obvious correlation.2)The rate of UPR-recipient/UPR-donor in TTTS fetuses increased significantly compared with MCDA twin fetus (7.83 ± 2.61,t =6.19,P ＜0.05).ConclusionsThe rate of UPR may be an important index in the assessment of TTTS.

Objective To investigate the blood-saving effect of controlled low central venous pressure (CLCVP) in different types of hepatectomy.Methods Ninety ASA physical status Ⅰ or Ⅱ patients of both sexes,aged 37-76 yr,weighing 40-75 kg,undergoing elective hepatectomy,were divided into 6 groups according to the surgical approach and whether CLCVP was used during surgery (n =15 each):CLCVP1-3 groups and nonCLCVP1-3 groups (NCLCVP1-3 groups).The standard hepatectomy,half liver resection and irregular hepatectomy were performed in CLCVP1-3 groups,respectively,with CLCVP.The standard hepatectomy,half liver resection and irregular hepatectomy were performed in NCLCVP1-3 groups,respectively,without CLCVP.In CLCVP1-3 groups,from skin incision to the end of liver resection,CVP was maintained ≤ 5 cm H2 O through adjustment of the position,fluid restriction and iv infusion of nitroglycerin,and norepinephrine was infused simultaneously to maintain mean arterial pressure ≥ 60 mm Hg.In NCLCVP1-3 groups CVP was maintained at 6-12 cm H2O.Intraoperative blood loss and blood transfusion were recorded.Results Compared with NCLCVP1-3 groups,intraoperative blood loss was significantly decreased in CLCVP1-3 groups (P ＜ 0.05).Compared with NCLCVP3 group,the amount of blood transfusion was significantly decreased,the constituent ratio of intraoperative blood loss ＜ 200 ml was increased,and the constituent ratio of intraoperative blood loss ＞ 1000 ml was decreased in group CLCVP3 (P ＜ 0.05).Conclusion CLCVP can decrease the intraoperative blood loss and blood transfusion in patients undergoing irregular hepatectomy.

Objective To investigate the correlation between survival motor neuron (SMN) gene deletion and Chinese patients with sporadic amyotrophic lateral sclerosis (SALS).Methods A total of 141SALS patients and 134 unrelated controls were recruited from the Chinese population.Polymerase chain reaction (PCR) and restriction fragment length polymorphisro (RFLP) analysis were performed to screen SMN gene deletion.Frequencies of deletion were coropared by Chi-square test.Results Four patients and 3 controls were detected to have horoozygous SMN2 deletion.The frequencies of SMN2 deletion were 2.84%(4/141) and 2.24% (3/134), respectively, which was not significantly different (χ2= 0.0001, P =1.000).No subjects were found to have homozygous SMN1 deletion.Condusion There is no correlation between SMN gene deletion and Chinese patients with SALS.

The gold hollow nanospheres have been synthesized by sacrificE-template method and the obtained sample has been characterized by TEM, SEM and XRD. The amperometric formaldehyde gas sensor was assembled with gold hollow nanospheres as the active electrode material and 1 mol/L KOH solution as electrolyte. The equation of linear regression(y=16.63x+4.063×10-7, r=0.9989)between the oxidation current(y(A))and the concentration of formaldehyde(x/(mol/L)) was obtained at the formaldehyde concentration in the range of 0 to 2.23×10-6 mol/L. The sensitivity of the sensor with gold hollow nanospheres as active material increased by about 70% compared with the sensor made of nanoparticles which had the same gold-loading in the work electrode, this method exhibits an advantage of decrease in the cost of the noble metal. This kind of sensor shows potential application in formaldehyde gas detection in this range due to its excellent sensitivity, stable response and good linear relationship.

Objective To explore the correlation between the expression of protease activated receptors-2 (PAR-2) and intestinal mucosal barrier injury of acute necrotizing pancreatitis (ANP) in rats.Methods The ANP rat model was created.The expression of PAR-2 in rat's intestinal mucosa of sham-operated group and ANP group at six,12 and 24 hours after model established was detected by immunohistochemistry (IHC),reverse transcription-polymerase chain reaction (RT-PCR) and Western blot.The difference between groups was analyzed by one way analysis of variance.Results The results of IHC indicated that PAR-2 expression in rat's intestinal mucosa of sham-operated group was weak.The number of PAR-2 expression positive cells and immunostaining intensity increased significantly after ANP model established.The IHC score was 4.88±0.33,5.87±0.32 and 11.17±0.27 at six,12 and 24 hours after model established respectively.Compared with those of shamoperated group (2.86 ± 0.31),the differences were statistically significant (F=747.08,P＜0.01).The expression of PAR-2 at mRNA and protein level in intestinal mucosa of sham-operated group was very low.As time extended after ANP model established,both expression increased gradually.The PAR-2 mRNA was 0.56±0.03,0.69±0.03,1.05±0.05,and the protein was 0.28±0.02,0.35±0.03,0.69±0.04 at six,12 and 24 hours after model established respectively.Compared with shamoperated group,the differences were statistically significant at each time point (F=785.69,1177.82,both P＜0.01).Conclusions PAR-2 is activated in the inflammatory progress of ANP,and may play an important role in the pathogenesis and development of intestinal mucosa barrier injury in ANP.