Objective:To research the value of expressed changes in serum osteopontin(OPN)of systemic lupus erythematosus (SLE) patients in the diagnosis of lupus nephritis(LN) by studying the correlation between OPN and LN. Methods:The en- zyme-linked immunosorbent assay(ELISA) was used to mensurate the level of OPN in the sera of 47 LN,21 SLE patients without clinical symptoms of nephritis,and 20 healthy controls. Results:The positive ratio of serum OPN was 79.41% in 68 SLE patients and was 0% in healthy controls.Compared with healthy controls,the positive ratios and level of serum OPN in SLE patients were significantly higher(P

Cerebral revascularization has been widely used in the treatment of cerebral aneurysm, moyamoya disease, and basicranial tumor. Whether it can be used in the prevention of ischemic stroke remains controversial, but a growing body of research has demonstrated its benefits. This article reviews the present application situation of the revascularization.

Objective To analyze the biological characteristics and morphologic features between the mouse models using MDA-MB-231 cells established by injecting tumor cell suspension or implanting tumor tissues. Methods Twenty BALB/c mice were randomly divided into two groups,with 10 in each group.The orthotopic models of breast cancer were established by injection of tumor cell suspension or implantation of tumor tissues in the fat pad of right second breast in the nude mice of the two groups,respectively.The time of tumor formation,success rate,tumor growth rate,shape,central tumor necrosis,blood vessel distribution and tumor ulceration were compared between the two groups of models.The histological features of the tumors were also observed. Results There were no significant difference in the success rate between the two methods.In the group of tumor tissues implantation,the tumors formed in an earlier time with various shape configurations,and they were hypovascular and vulnerable to central necrosis with the resultant superficial ulcerations.However,in the group with injection of tumor cell suspension,the tumors formed later with a regular shape,and the superficial ulceration was rare and not vulnerable to central tumoral necrosis since the tumors were abundant in blood vessels resulting in adequate nourishment.There were no significant difference in the pathological findings between the two groups. Conclusion The nude mouse models of breast cancer can be successfully established by both tumor tissues implantation and tumor cell suspension injection,with identical biological characteristics and fairly different morphological features.The investigators are well advised to choose the more appropriate one according to the purpose of the experiments.

B→O blood conversion has very important meanings in the blood transfusion during the period of peace and war.In the leader of Professor Zhang Yangpei,from Academy of Military Medical Sciences,B→O blood conversion has been achieved by using gene engineering.They obtained the great breakthrough in the domain of blood type conversion.In order to realize standardization and automatization,it is necessary to develop a device applying to B→O blood conversion.This device automatically accomplishes the process of B→O blood conversion,shortens the time of B→O blood conversion to quarter than the time by manual operation,and ensures the standardization and obturation.In the condition of one-off pipeline,this device meets the clinical demands for blood,and lays a foundation for clinical expansion of B→O blood conversion.This paper presented the control system of B→O blood conversion device,including design of software and hardware.This device provides a safe and efficient tool for B→O blood conversion.

In order to realize standardization and automatization,it necessary to develop a device for B→O blood conversion.This paper emphasizes on the control system of B→O blood conversion device,including software and hardware design,which provides a safe and rapid method for B→O blood conversion.

Adult ; Arteriovenous Malformations ; Humans ; Male ; Telangiectasia, Hereditary Hemorrhagic

Objective To investigate the significance of measuring carotid arterial intima-media thickness(IMT) and diabetic retinopathy(DR).Methods 76 diabetic patients were divided into three groups:no diabetic retinopathy(NDR),nonpmliferative diabetic retinopathy(NPDR),and proliferative diabetic retinopathy(PDR).20 helath people were chosen as control All subjects were examined by ColorDoppler imaging on the carotid arterial intima-media thickness.Results The mean IMT was significantly higher in T_2DM patients than in normal control group(P

Objective:To investigate the association of tumour necrosis factor- ? (TNFs-?) gene polymorphism with Graves ophthalmopathy (GO)Chinese in Shandong . Methods: Allele and genotype frequencies were determined by polymerase chain reaction with sequence specific primers(PCR-SSP). Results: Allele and genotype frequencies of TNF-? +488、-308 were not different significantly between Graves′ disease(GD) and control, or GD subgroups with and without GO. There were also no significant differences between GO subgroups with different severity. Conclusion: There are no associations of TNF-? +488、–308 polymorphisms with GO susceptibility in Shandong Chinese.

Injectable bone substitutes can repair bone defect via percutaneous injection, including organic bone graft materials and inorganic bone graft materials. Furthermore, some materials considered as vector can composite with cells to generate tissue engineering materials, which are injected into bone graft to improve fusion rate. The development of injectable bone substitutes provides a new way to treat some relative diseases. Here, the article was divided three parts to introduce biological characteristics and clinical application of organic bone substitute materials, inorganic bone substitute materials, and bone tissue engineering vector materials. Although bone tissue engineering research achieves some effects initially, there are still a lot of problems, such as collection and preparation of extracellular matrix materials, composite and transplantation of cell and vector; all of them need to be further studied.

Objective To evaluate the value of ultrasound-measured changes in diaphragmatic excursion (DE) in predicting successful weaning from mechanical ventilation during the spontaneous breathing trial (SBT).Methods Sixty-three patients of both sexes,who were mechanically ventilated for more than 24 h and screened for ascertained readiness to wean,aged 45-64 yr,were enrolled in the study.Bilateral DE was measured using ultrasound at 0,10 and 30 min of SBT.The patients who successfully completed 30 min of SBT were extubated.The patients were divided into either success group or failure group according to whether or not weaning was successful.Receiver operating characteristic (ROC) curves were used to evaluate the value of bilateral △DE30-10 in predicting successful weaning.Results There were 48 cases in success group and 15 cases in failure group.Bilateral △DE30-10 was significantly higher in failure group than in success group (P＜0.05).The area under the ROC curves of the right △DE30-10 in predicting successful weaning was 0.958,＜0.175 cm was used to predict successful weaning,and the sensitivity and specificity were 93.3％ and 87.5％,respectively.The area under the ROC curves of the left △DE30-10 in predicting successful weaning was 0.903,＜0.275 cm was used to predict successful weaning,and the sensitivity and specificity were 80.0％ and 89.6％,respectively.Conclusion The fight △DE30-10 measured using ultrasound can serve as an assistant index in predicting successful weaning from mechanical ventilation during SBT.