This study was aimed to investigate potential biomarkers in different traditional Chinese medicine (TCM) syndromes of angina pectoris of coronary heart disease (CHD) by using metabolomic technology,and to explore the objective law of different TCM syndromes of CHD.Endogenous metabolites in serum and urine from the healthy group,and patients with DHD angina pectoris patients of the syndrome of Qi deficiency and blood stasis,as well as the syndrome of Qi deficiency,blood stasis and phlegm turbidity were detected by the liquid chromatography-mass spectrometry (LC-MS).Metabolic profiles were analyzed by the principal component analysis (PCA) and the orthogonal partial least squares discriminant analysis (OPLS-DA).The results showed that in PCA,the healthy group,Qi deficiency and blood stasis group,as well as the Qi deficiency,blood stasis and phlegm turbidity group can be obviously distinguished.Potential biomarkers in the Qi deficiency and blood stasis syndrome contained aspartyl methionine and cysteine sulfinic acid.Potential biomarkers in the Qi deficiency,blood stasis and phlegm turbidity syndrome contained hippuric acid,amino glucose,fructosamine and triglyceride.The objective performance of Qi deficiency syndrome was the absence of biotin,lysyl tyrosine,phosphatidylglycerol and glycocholic acid.It was concluded that through the new metabolomic technology,different endogenous metabolites in the syndrome of Qi deficiency and blood stasis,as well as the syndrome of Qi deficiency,blood stasis and phlegm turbidity of patients with DHD angina pectoris were detected.It provided ideas for the clinical practice of prevention,diagnosis and treatment of different TCM syndromes.

Objective There are many interferences such as power interference, electrode polarization interference, myoelectricity interference, baseline drift, apparatus buzz and so on in electrocardiosignal acquisition system. It is very difficult to effectively remove these interferences in the process of actual measurement. Methods Power harmonic interference, electrode polarization interference and myoelectricity interference were removed by low-pass filter. Baseline drift was removed by high-pass filter. Power basic frequency interference was removed by 50 Hz trap filter. Results These three design proposals had such advantages as good effect, rapid speed and easy realization. Conclusion They can be well applied in ECG monitor with embedded CPU and real time character. Besides, they can also be used in medical apparatus measuring other biological electric signals and industrial observation and control system.

Objective To evaluate the effect of vacuumassisted closure (VAC) combining surgical treatments on chronic osteomyelitis after severe open fractures. Methods Fifty-eight patients with severe high energy open fractures were enrolled,35 patients were randomized to the experimental group and had identical treatment except that VAC was applied to the wounds between irrigation and debridement procedures, 23 patients were randomized to the control group and underwent initial irrigation and debridement followed by standard fine mesh gauze dressing. The infection rate, therapeutic effect and health condition were evaluated between the two groups. Results All patients were followed up for 14 - 36 (28.0 ± 7.3 ) months.Control group developed 7 cases ( 30.4%, 7/23 ) with deep infections, whereas experimental group developed 2 cases (5.7%,2/35) with deep infections. There was significant difference between the two groups (P =0.024). There were 24 cases (68.6%,24/35) grade A healing in experimental group,whereas there were 13cases (56.5%, 13/23) grade A in control group,the difference was very singificant (P＜0.05). The health total score of experimental group was higher than that of control group at 3,9 months after operation (P =0.013,0.005). Conclusions Patients treated with VAC have a higher recovery rate,shorter length of stay and satisfactory curative effect compared with patients randomized to the traditional methods. VAC represents a promising new therapy for osteomyelitis after severe open fractures.

With the rapid development of medical science,‘ faithfulness,expressiveness and elegancy' theory has been endued with novel implications and can guide the translation of medical English.A translation of medical English with high quality should contain faithful information,grammatically complete sentences and understandable words as well as maintain the stylistic features of Chinese abstract,which lead to the speciality and rigour of the article.The guiding role of ‘ faithfulness,expressiveness and elegancy' theory in the understanding and translation of English papers was discussed in this article with common problems selected from medical journals.Several suggestions were proposed to the translators of medical English on the practice of the theory.

Background Researches have suggested that the defocus can induce the change of static visual acuity,but whether it produce influence on dynamic visual acuity is not clear.Objective This study was to investigate the impact of myopic defocus on static visual acuity and dynamic visual acuity and explore the essential difierence between static visual acuity and dynamic visual acuity. Methods Forty volunteers were enrolled in this trial.including 20 adults with the age of 27.4±1.64 years and 20 children with the age of 11.70+1.49 years.All the eyes of subjects received regular examined to excluded the eye disease with the best corrected vision of ≥1.0 D,astigmatism of ≤0.75 D and anisometropia ＜1.50 D.+1.00 D,+1.50 D,+2.00 D,+2.50 D slasses were ware respectively for the defocus on the foundation of full correction.Dynamic visual acuity was inspected by using selfmade DVA-I training software.and static visual acuity wag tested by static visual acuity chart (Precision Vision,CAT.NO.2125).This clinical trial complied with the Helsinki Declaration and obtained the approval of Ethic Committee of Wenzhou Medical College.Written informed consent was received from each individual prior to the protocol. Results The dynamic and static visual acuities were gradually decreased with the elevation of defocus (F=506.907,P=0.000).No significant differences were found between static visual acuity and dynamic visual acuity in adult or children at various defocus(P＞0.05).The regression linear analysis showed that a positive correlation between static visual acuity with defoeus(R2=0.819,t=26.72,P=0.000) or dynamic visual acuity with defoeus(R2=0.826,t=27.42,P=0.000).The slope and intercept between defocus with static visual acuity were steeper than that between defocus and dynamic visual acuity (slope:F=34.18,P=0.000;intercept:F=1005.56,P=0.001). Conclusion The effect of defocus on static visual acuity is different from that of dynamic visual acuity.It could be speculated that dynamic visual acuity is related not only to refractive systems but also other factor.

As the early stage of dementia, vascular cognitive impairment no dementia (VCI-ND) has become a hot research topic in recent years. The effective identification of VCI-ND has important clinical significance for prevention and decreasing of dementia. This article reviews the advances in research on neuropsychology, neuroimaging, biological markers, as well as the prevention and treatment of VCI-ND.

Objective To explore the effects of prenatal exposure to lipopolysaccharide (LPS) on insulin resistance in adult offspring rats. Methods Nulliparous, time-matched Sprague-Dawley rats were randomly divided into two groups (n=10 for each group):control group and LPS group. On the pregnant day 8, 10 and 12, rats in control group and LPS group were administered intraperitoneally with saline 0.5 mL or LPS 0.40 mg/kg, respectively. The blood levels of fasting plasma glucose (FPG), insulin and Leptin were detected at 90 days of age in offspring. The steady state insulin resistance index (HOMA-IR) and insulin sensitivity index (QUICKI) were evaluated in adult offspring rats. Results Compared with the control group, blood levels of FPG (mmol/L:7.72 ± 0.42 vs 7.02 ± 0.42), insulin (mIU/L:8.78 ± 4.10 vs 1.51 ± 0.27) and Leptin (μg/L:3.88 ± 1.40 vs 1.00±0.33) were significantly increased in offsping of LPS group, as well as HOMA-IR (3.01±1.41 vs 0.47±0.09) in-creased, while QUICKI (0.57±0.07 vs 0.99±0.08) decreased in offsping of LPS-treated rats. Conclusion Prenatal exposure to LPS can result in abnormality of insulin resistance in offspring rats.

Objective To investigate the effect of photodynamic therapy with chlorin e6 (Ce6) and 5-aminolevulinic acid (5-ALA) on mouse model of malignant melanoma. Methods The mouse model of malignant melanoma was established by injecting 0.1 ml A-375 cells (about 2?10 6 cells) under the right hind leg of BALB/c-6 mice,and that the yellowish white node appears at injection site proves the successful model. Twenty-four of 27 successful mouse models were irradiated at the tumor site with semiconductor laser (wavelength 652 nm) with a total dose of 100 J/cm 2 . Before laser exposure,the mice were treated with 10% 5-ALA by topical compress for 2 h or 7.5 mg/kg Ce6 by intraperitoneal injection for 1 hour or 5-ALA topical application combined with intraperitoneal injection of Ce6 (n=6 in each group). Another six mice as control only underwent PDT. One week after PDT,the mice were killed,the tumor mass was peeled off and weighed,whether the metastasis occurred or not was detected,and the tumor,liver,spleen,lung,kidney were sent to histopathological examination. Results The tumor weight in 5-ALA group,Ce6 group,and the combined group had significant difference as compared with control group (P0.05). The dehydration and scab formation and necrosis could be seen in tumor sites at 1 week after PDT. The cell collapse and necrosis,subdermal thrombosis and cell outline clouding could be observed by histopathological examination. Metastasis of melanoma were found in 5-ALA group,Ce6 group,and the combined group. Conclusion PDT with Ce6 and 5-ALA could kill the malignant melanoma effectively in animal experiment but could not affect the metastasis of melanoma.

Objective To construct a library of long serial analysis of gene expression (LongSAGE) and investigate the characteristics of gene expression in the yeast phase of C. albicans. Methods A LongSAGE library was constructed with long serial analysis of gene expression (LongSAGE). Results A total of 17 773 tags, representing specific 7 333 transcripts, were extracted from 1 000 sequence files in the yeast phase of C. albicans. Tags matching single gene accounted for 16.65%, tags matching multiple genes accounted for 6.59%, tags for hypothetical protein accounted for 16.27%, tags for genome and cosmid accounted for 1.64%, and novel tags accounted for 58.86%. Eleven tags in 33 tags whose expression frequencies exceeded 35 may be new expression sequences. Conclusion LongSAGE is not only a powerful method in investigating the gene expression profiling, allowing the analysis of the expression of thousands of transcripts in a quantitative manner without prior sequence information, but also in finding new genes.

Objective To explore the expression of SLAM gene in the CD4+ and CD8+ T cells from SLE patients.Method The CD4+ and CD8+ T cells from peripheral blood of 20 SLE patients and 10 healthy blood donors were separated using magnetic cell sorting system(MACS).We detected the expression of SLAM mRNA in CD4+ and CD8+ T cells by RT-PCR.Results The CD4+ and CD8+ T cells from SLE patients showed significantly higher SLAM expression than those from healthy blood donors.Conclusion The SLAM signal pathway may play an important role in contributing to the abnormal activation of T cells in SLE patients.