This study was aimed to mine correlation between the cause and traditional Chinese medicine ( TCM ) syndrome of polycystic ovary syndrome ( PCOS ) from different angles and at different levels . The study found
that the inherent laws of the cause and syndrome by the application of different statistical methods and data mining methods . The literature information database of PCOS was searched . And the Microsoft Office Excel and the Microsoft Office Access were used in the establishment o the database . And the SPSS17 . 0 was used as the statistical software . The Medisc-3S system was used as the mining tools to discover the rules between etiology and syndrome . The function of frequency statistics and complex networks were used to discover and summarize the TCM syndrome and treatment of PCOS . The TCM syndrome and treatment of PCOS were discov-ered and summarized according to the statistical results . And the results showed that three reasons of etiology and pathogenesis of PCOS contained kidney-deficiency , phlegm-dampness , and blood-stasis . The five types of TCM syndrome included spleen-kidney deficiency , kidney-deficiency and blood-stasis , spleen-deficiency and phlegm-dampness , kidney-deficiency and phlegm-dampness , kidney-deficiency and liver stagnation . It was concluded that the treatment should be mainly from kidney-tonification and assisted with blood-activation and phlegm-removing . The association rules and complex networks of data mining methods were applied in the lit-erature research of PCOS . The results provided literature references and statistical evidences for the phlegm-dampness accumulation in the uterus as the pathogenesis of PCOS , and the methods of kidney-tonification , blood-activation and phlegm-removing as the treatment principles .

Objective To observe the effect of high-dose three-dimensional conformal radiotherapy (3DCRT) on recurrence and metastasiscervical cancer.Methods Sixty-one recurrence or metastasis cervical cancer patients were divided into two groups.Group high-dose 3DCRT (high-dose group) received radiotherapy using 6 MV X ray 4-8 Gy per field,three times per week,with total dose of 35-50 Gy.The other group (other group) received radiotherapy using 6 MV X ray 2 Gy per field,5 times per week,with total dose 40-60 Gy.The short-term efficacy and complications between the two groups were compared.Results The tumor regression rates of the two groups were 76.7 ％ (23/30) and 67.7 ％ (21/31) (x2 =0.604,P ＞ 0.05),which had no significant difference.The 1-year survival rates [63.3 ％ (19/30),54.8 ％ (17/31)] (x2 =0.454,P ＞ 0.05)and the 2-year survival rates [26.7 ％ (8/30),29 ％ (9/31)] (x2 =0.042,P ＞ 0.05) had no significant difference either,but in high-dose group,the bone marrow inhibition rate [53.3 ％ (16/30)] was significantly lower than other group [77.4 ％ (24/31)] (x2 =3.91,P ＜ 0.05),the reaction of digestive tract [56.7 ％ (12/30)] was also significantly lower than other group [56.7 ％ (12/30)] (x2 =4.09,P ＜ 0.05).Conclusion Compared with the other group,the high-dose 3DCRT has the same short-term efficacy but lower short-complications,and the quantity of life is better than the other group.

Objective To isolate and identify exosomes from human serum , explore the feasibility of detecting exosomal miRNA in human serum.Methods Retrospective study.Serum samples from 10 healthy individuals in January 2013 were randomly selected.Besides, from January 2013 to December 2014, serum samples from prostate cancer(PCa) patients (n=20), benign prostatic hyperplasia(BPH) patients ( n=20 ) and healthy controls ( n=20 ) were selected.Exosomes were isolated from these serum samples using ExoQuick , and then identified by using transmission electron microscopy , NanoSight nano particle analyzer and Western Blot for morphology and molecular phenotype.The quality of exosomal RNA was analyzed using Agilent 2100 Bioanalyser.Then quantificational real-time polymerase chain reaction ( qRT-PCR) was carried out to detect miRNAs in different components of human serum ,and nonparametric tests were used for difference analysis.Results Exosomes isolated from human serum showed round or oval vesicles, mainly in diameter 40-100 nm, and with maximum peak distribution of 58 nm.Moreover, they expressed HSP70 and four transmembrane protein CD 63.Agilent 2100 Bioanalyzer results showed that the major RNA component of exosome was about 25nt small RNA.qRT-PCR confirmed that 4 normal miRNAs were expressed in human serum exosome , and the expression of miRNAs in exosome pellets were higher than the whole serum (miR-21, U =16,P =0.007 2; miR-16, U =3,P<0.000 1; miR-20a, U =2,P <0.000 1;let-7a, U=13,P=0.003 2) and exosome-depleted supernatant ( miR-21, U=15,P=0.006 5;miR-16, U=2,P<0.000 1;miR-20a, U=1,P<0.000 1;let-7a, U=10,P=0.002 8).miR-141, the molecular marker of prostate cancer ,were analyzed by qRT-PCR in whole serum samples and serum exosome pellets isolated from the same serum in a cohort of 20 PCa patients , 20 BPH patients and 20 healthy control people.The results showed that , in three groups , exosomal miR-141 expression were all significantly higher than serum circulating miR-141 (Control group, U=66,P=0.000 3; BPH group, U=83,P=0.001 6;PCa group, U=54,P<0.000 1).In addition, the expreession of exosomal miR-141 in PCa patients was significantly higher than BPH patients or healthy controls (3.85 fold, U=74,P=0.000 7 and 4.06 fold, U=70,P=0.000 5).Conclusion Exosome can be efficiently isolated from human serum.Compared with the whole serum , isolation of serum exosome may helpful to improve the detection of circulating miRNA.

Neural prosthesis control system is based on brain-computer interface and functional electrical stimulation technology, by an-alyzing the electroencephalograph control commands directly into the muscle system or an external device, which compensated efferent pathway from the brain-spinal cord, and recovered motor function of patients with cervical spinal cord injury. This paper described the basic structure, working principle and key technology of neural prosthetic system, summarized the application, problems and prospects of neural prosthetic technology in the rehabilitation of cervical spinal cord injury.

The development of metagenomics revealed a novel role of microorganism in lots of diseases.Emerging researches at home and abroad illustrated that microbiome changes from nasopharynx, oropharynx and/or lung in quality and/or quantity exist in many respiratory diseases including chronic obstructive pulmonary disease, asthma, cystic fibrosis, pneumonia as well as upper respiratory infection, which play an important role in immune system, metabolism and neuroregulation.These research results may provide us new strategy for the diagnosis, therapy, surveillance and prognosis of respiratory diseases.

Objective Establishment and development of a novel Single-Nucleotide-Polymorphism TaqMan Real-Time PCR assay for rapid detection of rs12979860 that predicts HCV therapy response.Methods Human genomic DNA were extracted from solid tissues,secretion and plasma before allelic discrimination.With the property of minor groove binding protein (MGB) binding to minor groove of DNA with strong specificity and affinity,primers and MGB probes were particularly designed for differentiation of human genomic frequencies.MGB probe-based real-time PCR was established to increase allelic discrimination using two probes that only differ in one nucleotide of IL28B rs12979860.The specificity was evaluated by fluorescence signal emissions which were selected from two signal channels.And DNA sequencing was used to confirm the genomic polymorphisms.Results TaqMan probe-based SNP real-time PCR increased allelic discrimination using two probes that only differ by one nucleotide of amplicon,which indicated this assay was easily performed regardless of genomic DNA concentration and quality,minimizes sources of error.The sensitivity was as low as 1.5 ng/μl,the amplification efficacy was 97.6％.The genotype frequencies of CC,CT were remarkably different between Caucasian and Mongolian.The dominated genotype of Caucasian was CT,while most Mongolian was carried CC (26/40 vs.40/50,x-2 =18.75,P value ＜ 0.05).However,the genotype between two population showed no relationship with their virological clearance clinically (P value ＞ 0.05).Conclusions This TaqMan MGB assay shows highly specificity,which has potential as a routine diagnostic test for the detection of rs12979860 from various types of samples.This robust assay would be widely used clinically to predict patients' response before anti-HCV treatment in personalized medicine.

Laboratory diagnostics is one of the most fast developing medical sciences.But the teaching quality falls behind due to the traditional education model.Based on the concept of ‘three-stage fusion' of the subject and ‘five abilities' of the training objects,‘three-highlight & stereo' teaching style was established and put through the course,which means to emphasize function,practice,effect in optimizing teaching content and methods,and construct stereo platform including information system,online course,laboratory equipments,research activities and teacher training program.The results showed a significant improvement of the students' knowledge mastering and utilizing capability.And the teaching situation was well re-created.Furthermore,the teaching team was much more powerful than ever.It suggests that ‘three-highlight and stereo' teaching style is a successful explore and practice of teaching reform of laboratory diagnostics on adapting for internationalization of education tendency.

Objective To analyze the expression of urine exosomal miR-375 in prostate tumors and investigate its clinical utility.Methods A total of 45 patients with PCa,24 with benign prostate hyperplasia (BPH) and 24 healthy individuals were enrolled into this study.Exosomes were isolated from the urine of PCa,BPH and healthy individuals and the total RNA was extracted from the exosomes.The exosomal miR-375 expression was assessed by quantitative real-time PCR and analyzed with the comparative quantification cycle method (2-△△CT).We performed comprehensive biostatistical analyses to explore the clinical value of miR-375 in prostate cancer.Results The urine exosomal miR-375 expression was significantly downregulated in the patients with PCa compared with BPH and the healthy controls (P ＜ 0.01).No statistically significant difference of the urine exosomal miR-375 expression levels between the patients with BPH and healthy individuals was observed (P ＞ 0.05).The urine exosomal miR-375 expression level was also found to be associated with clinical stage and bone metastasis status of the patients with PCa (P ＜0.05),and with the increase of Clinical stage.The expression level of miR-375 decreased.No significant relationship was detected between miR-375 level and the patient's age,gleason score and serum prostate-specific antigen level (P ＞ 0.05).Receiver operator characteristic analyses demonstrated that the urine exosomal miR-375 expression could better differentiate PCa from BPH patients:AUC 0.715 (95％ CI:0.589-0.842) vs PSA AUC 0.632 (95％ CI:0.492-0.771) (P＜0.01).Conclusion The urine exosomal miR-375 could serve as a non-invasive biomarker for the diagnosis of PCa.

Objective:To discuss the regulation of berberine and dioscin extracted from traditional Chinese medicine in the expression of protein moleculer related with glucose metabolism in trophoblast cells,such as IRS-1,P1-3K,Glut1,PPAR ?. Methods:To culture the chorion trophoblast cell in the early pregnancy,to induce cells to suffer glucose metabolism obstacle with the use of WortmaninnTake advantage of berberine and dioscin extracted from the Chinese traditional medicine with intervention,simultaneously set the troglitazone(T) and dimthyl(R) for the control group. Detect the gene expression with the use of RT-PCT,simutaniously detect the protein expression in molecular level. Examine the expression in the protein level with the technique of Western blot in combination with the technique of LSM for the expression location of protein moleculer related.Results:① With the induction of WT,the glucose metabolism inside the tropholast cells becomes abnormal,compared with normal(P

Objective To investigate the molecular epidemiological characteristics and homology of Staphylococcus aureus (S. aureus)isolated from patients in intensive care units (ICUs)of a hospital,so as to provide laboratory basis for the effective control of healthcare-associated infection(HAI). Methods 62 S. aureus strains isolated from various specimens from ICU patients with infection in March-August 2013 were collected,7 housekeeping genes were amplified with polymerase chain reaction (PCR),the amplified products were sequenced,ST typing of strains was performed by multilocus sequence typing (MLST ), phylogenetic analysis of ST typing was conducted. Results 62S. aureus strains were amplified specific product of 7 housekeeping genes;there were 10 ST genotypes, in which 2 ST genotypes(STn1and STn2)were first discovered,1 ST genotype(ST675)was first discovered domes-tically. ST239 was the main ST type of S. aureus from ICU patients in this hospital,accounting for 74.20% ,which distributed in 6 ICUs,ST5 distributed in 3 ICUs. 62 strains formed 7 main branches in the phylogenetic tree,55 (88.71% )MRSA strains were detected. Conclusion S. aureus isolated from hospital ICUs has some homology, and the small number of types showed the trend of concentrated distribution.