Xenopus Paraxial Protocadherin (PAPC), which was initially identified in a screen for genes present in the Spemann organizer of Xenopus embryos, is required for gastrulation, somitogenesis and otic vesicle formation. In order to investigate its function in various developmental events, an antibody was prepared which could specifically recognize Xenopus PAPC. Glutathione S transferase (GST) expression system was used to express the fusion protein GST-PAPC. Rabbits were immunized with GST-PAPC Western blotting analysis of FL-PAPC transfected HEK 293T cells lysates, which could be specifically blocked by pre-adsorption of prokaryotic expressed GST-PAPC fusion protein. Furthermore, by using immunofluorescence analysis the polyclonal antibody recognized membrane-bound PAPC in FL-PAPC transfected 293T cells and Xenopus animal cap cells. By Western blotting analysis,the endogenous 150 ku PAPC protein was detected in Xenopus embryos using the anti-PAPC antibody. Take together it could be concluded that a polyclonal antibody specifically against Xenopus PAPC was developed.

The association of the serum phospholipid fatty acid components with lipid profiles in patients with newly-diagnosed type 2 diabetes mellitus was investigated.Saturated fatty acid in patients with newly diagnosed type 2 diabetes mellitus was increased(48.79±1.55 vs 42.58±1.96,P<0.01),whereas monounsaturated fatty acid and polyunsaturated fatty acid were decreased(10.72±1.53 vs 12.09±1.32,33.41±2. 16 vs 35.79±2.41.6.08±1.66 vs 9.54±1.54,all P

Objective:To evaluate the diagnostic performance of probe-based confocal laser endomicroscopy (pCLE) for indeterminate biliary strictures.Methods:Twelve patients with indeterminate biliary strictures who underwent pCLE and brush cytology from April 1, 2013 to December 30, 2016 were enrolled. Clinical data, the results of endoscopic retrograde cholangiopancreatography, pCLE examination and brush cytology were collected. Compared with post-operative pathology and follow-up over 12 months, sensitivity, specificity, positive predictive value(PPV), negative predictive value(NPV), and accuracy of pCLE and brush cytology of the diagnosis of malignant biliary strictures were analyzed.Results:The final diagnosis were 9 malignant and 3 benign. The sensitivity, specificity, PPV, NPV and accuracy of brush cytology were 3/9, 3/3, 3/3, 3/9 and 50.0%(6/12), respectively. The corresponding indicators of pCLE were 9/9, 2/3, 9/10, 2/2, and 91.7%(11/12), respectively.Conclusion:pCLE can be used for differential diagnosis of indeterminate biliary stricture.

AIM: To investigate the heterogeneity of basal intracellular free calcium concentration( i) in peritoneal macrophages(PM) and whether it is relative to the reactivity of PM at the single cell level. METHODS: i implicated stimulated were measured by fluorescent microscopic imaging system after loading with fluorescent probe fura-2/AM. Superoxide(O _2)produced by single PM was determined by modified NBT test. RESULTS: The values of basal i determined in 392 PMs of 7 mice showed normal distribution [(54?24) nmol/L, n=392] with wide range(less than 20 nmol/L to more than 100 nmol/L), among which about 50% were in the range of 40-60 nmol/L. When stimulated with PMA or fMLP, i was increased, the peak values were positively correlated with the basal i in one mouse(PMA stimulated cells: r=0.52, P

Objective To investigate the differences of miRNA-21 and miRNA-146a expression between colorectal neoplasms tissues and serum of the patients with colorectal neoplasm,and the clinical significance was analyzed.Methods The endoscopic biopsy tissues and serum samples of 100 colorectal cancer (CRC),80 colorectal adenoma (CRA)patients and 65 healthy controls were collected.The expressions of miRNA-21 and miRNA-146a were detected by quantitative real time polymerase chain reaction.The relationship between the expression and clinicopathological features were analyzed.And then,the diagnostic value of expression difference of serum miRNA in colorectal neoplasm were evaluated. The Mann-WhitneyU test and Kruskal-Wallis test were performed for comparisons between groups,and the correlation of miRNA expression between tissues and serum was analyzed by Spearman test.Results
The expressions of miRNA-21 in the tissues of CRC and CRA were 8.573 ±0.898 and 7.746 ±1 .183, respectively,which were significantly higher than that of healthy controls 6.160 ±0.835 (U =120.129 and 33.230,both P <0.01).The expressions of miRNA-21 in the serum of CRC and CRA were 1 .829± 0.303 and 1 .624 ±0.226,respeotively,which were higher than that of healthy controls 1 .391 ±0.221 (U =40.353 and 15 .512,both P < 0.01 ).The expression of miRNA-21 in the serum and tissues of patients with CRC were both higher than those of patients with CRA (U =11 .384 and 10.189,both P <0.01).The expression of miRNA-21 in patients with CRC was associated with TNM stage and lymph node metastasis.The expression level of miRNA-21 in CRA was correlated with histological types.The results of Spearman analysis indicated that the expression of miRNA-21 in the tissues and serum of patients with CRC was positively correlated (r=0.459,P <0.01).The expression of miRNA-146a in the tissues and serum of CRC patients were 2.556±0.351 and 0.249±0.038,respectively,which were lower than those of healthy controls (3.428 ±0.328 and 0.279 ±0.053)(U =102.134 and 30.111 ,both P <0.01).The expression in the tissues and serum of CRA patients were 3.255 ±0.332 and 0.290±0.036, respectively,which were also lower than those of healthy controls,however the difference was not statistically significant (U = 3.936 and 3.180,both P > 0.05 ).The expression of miRNA-146a in the tissues and serum of CRC patients were both lower than those of CRA patients (U =73.809 and 21 .123, both P <0.01).The degree of decreased expression of miRNA-146a in CRC patients was correlated with TNM staging and tumor differentiation degree,however there was no correlation between the expression in CRA and clinical features.According to receiver operating characteristic (ROC)curve analysis,the AUC of miRNA-21 ,miRNA-146a and a combination of them in CRC and health individuals was 0.889, 0.791 and 0.863,respectively;in CRA and health individuals was 0.784,0.692 and 0.761 ,respectively;in CRC and CRA was 0.705 ,0.820 and 0.713,respectively.Conclusion The different expressions of miRNA-21 and miRNA-146a had potential values in early detection of colorectal cancer.

Objective To analyze the clinical application of HLA donor specific antibodies (DSAs) detected by Luminex single antigen beads,and to discuss the impact of early intervention on renal function.Method In 64 cases of living-relative renal transplantation,DSA was detected using a Luminex single antigen assay before and after transplantation.The positive recipients were given large doses of intravenous irnmunoglobulin (IVIG) and increased doses of mycophenolate mofetil (MMF).The relationship between DSA and renal function was analyzed.Result DSA was negative in all recipients before transplantation.Ten cases of DSA positive recipients were found in HLA mismatch after transplantation.After the intervention,two cases of DSA positive recipients became negative,immunofluorescence intensity was decreased by more than 50％ in 6 cases,and no significant reduction was found in the other two cases.Antibody-mediated rejection (AMR) occurred in two cases of intervention ineffective recipients after 3 to 6 months and the renal function was impaired.Conclusion Dynamic monitoring of DSA using Luminex single antigen beads may timely predict changes of renal function.Early application of large doses of IVIG and increasing doses of MMF can reduce the incidence of AMR.

Objective To analyze the distribution and drug resistance of pathogens isolated from blood culture specimens in a grade 3A hospital so as to provide a basis for the prevention and control of bloodstream infection ,and rational antibacterial drugs use .Methods A total of 3 241 blood culture results in our center from June 2014 to September 2016 were analyzed retrospectively . The blood samples were cultivated with the BacT/ALERT 3D and VersaTrek instruments .The bacterial identification and antibiotic susceptibility tests were conducted with VITEK‐2 Compact and ARIS 2X instruments .Results Among 3 241 blood culture speci‐mens ,99 strains of pathogenic bateria were isolated with the positive rate of 3 .1% ,including 42(42 .4% ) strains of Gram‐negative bacteria ,54(54 .5% ) strains of Gram‐positive bacteria and 3(3 .0% ) strains of fungus .The top three of Gram‐negative bacteria were in turn Eescherichia coli ,Klebsiella pneumonia and Pseudomonas aeruginosa ;the top three of Gram‐positive bacteria were in turn coagulase‐negative staphylococcus (CNS ) ,Staphylococcus aureus and streptococcus pyogenes .Enterobacteriaceae remained 100 .0% sensitivity to imipenem ,meropenem ,piperacillin/tazobactam and amikacin .The resistance rate of Gram‐positive bacterium to vancomycin ,linezolid ,teicoplanin and gentamycin was 0 .0% ,the rest had different degrees of drug resistance .Conclusion Ee‐scherichia coli ,CNS and Staphylococcus aureus are the most frequent pathogenic bacteria of the blood stream infection in our hospi‐tal .Pathogens show different resistance to different kinds of antibacterial agents .Clinic should rationally select the antibacterial a‐gents according to the drug susceptibility test results so as to slow down the generation of drug resistance bacterial strains .

Objective:To investigate the effects of leukocyte common antigen-related phosphatase receptor (LAR) on the regulation of visual plasticity in rats.Methods:Fourty newborn Wistar rats were randomly divided into 5 groups, with 8 rats in each group, and were executed at 1 week, 3, 5, 7 and 9 weeks postnatal, respectively.Thirty-two healthy and 10-week-old Wistar rats were randomly divided into a normal control group, a fluoxetine group, a binocular form deprivation (BFD) group and a BFD+ fluoxetine group, with 8 rats in each group.Rats in the fluoxetine group drinked water with the dosage of 0.2 mg/ml fluoxetine for 4 weeks.The rats in the BFD group received eyelids suture for 2 weeks to form BFD model.And the combination of fluoxetine administration and BFD was performed in the BFD+ Fluoxetine group.No intervention was conducted in the normal control group.The expressions of LAR and chondroitin sulfate proteoglycans (CSPGs) were detected by immunofluorescence.The expression of LAR in the visual cortex of rats was detected by Western blot.Results:LAR was distributed in the cell membrane, plasma and axon.CSPGs were distributed in the intercellular substance in visual cortex of rats.The fluorescence intensities of LAR and CSPGs increased with the postnatal development.The relative expression of LAR was (100.00±3.20)%, (108.37±2.26)%, (113.69±2.33)%, (131.83±3.78)% and (140.11 ±4.02)% at 1 week, 3, 5, 7 and 9 weeks postnatal, respectively, the difference was statistically significant ( F=31.70, P=0.001). The relative expression of LAR was increased according to the growth of age ( β=0.961, P=0.007). The relative expression of LAR was(100.00±2.96)%, (81.02±2.77)%, (71.99±3.09)% and (52.90±2.01)% in the normal control group, fluoxetine group, BFD group and fluoxetine+ BFD group, respectively, with a significantly difference among the groups ( F=18.16, P=0.015), the relative expressions of LAR protein in the fluoxetine group, BFD group and BFD+ fluoxetine group were significantly lower than that in the normal control group ( t=31.30, 36.10, 41.72; all at P<0.01). Conclusions:LAR may be involved in the regulation of visual plasticity as a specific receptor of CSPGs.

Ninety eight patients with chronic hepatitis B (CHB) admitted to Department of Infectious Diseases, Yongkang First People′s Hospital from January 2017 to June 2018 were randomly divided into two groups. On the basis of entecavir+dicyclool treatment, patients in control group (48 cases) received health education and weekly telephone follow-up from the nurses, while patients in intervention group (50 cases) received health guidance from doctors and psychological counseling and communication from the nurses. All patients were followed up for 8 weeks. The illness perception, negative emotions, quality of life, and medication compliance were evaluated with the Revised Illness Perception Questionnaire (IPQ-R), Self-rating Anxiety Scale (SAS), Self-rating Depression Scale (SDS), SF-36 and Morisky Medication Adherence Scale (MMAS-8) in two groups, respectively. The results showed that, after 8 weeks, the disease identity, serious consequences, treatment control and disease correlation; SAS and SDS scores; physiological function, emotional function, energy and social function were significantly improved in control group( t=2.30, 3.45, 2.35, 2.23, 5.04, 6.03, 2.03, 2.79, 2.02, 2.34, all P<0.05). All dimension of illness perception; SAS and SDS scores; physiological function, physiological function, emotional function, energy, mental health, social function and general health were also improved significantly in intervention group ( t=4.06, 5.44, 6.91, 8.53, 5.65, 8.77, 7.25, 6.06; 12.71, 11.91, 2.27, 2.60, 4.48, 2.82, 3.65, 3.461, 2.82,all P<0.05). And the personal control, disease correlation and emotional expression; SAS and SDS scores; emotional function and mental health in intervention group were better than those in control group ( t=1.49, 2.74, 2.60, 5.02, 5.18, 5.56, 13.72, all P<0.05). In addition, the medication compliance of patients in both groups was significant improved ( Z=5.56, 13.72, all P<0.01), and the improvement was more marked in the intervention group ( Z=3.22, P<0.01). The study indicates that the comprehensive psychotherapy can more significantly improve the degree of illness perception, negative emotions, quality of life and medication compliance in patients with chronic hepatitis B.

Objective To develop a novel skin microdialysis technology in vivo,and to determine the pharmacokinetic of ba-icalin after transdermal administration in rats. Methods An HPLC-MS/MS method used for the determination of baicalin in skin mi-crodialysis samples was established ,SD rats were pretreated with skin microdialysis operation under anesthesia , and then the baicalin gel was applied to the skin surface of probe in vivo.The baicalin concentration of skin microdialysates was determined , the time curve of baicalin concentration was drawn and the topical pharmacokinetics parameters of percutaneous absorption was calculated. Results Baicalin was optimized at the transitions m/z 447.3→271.2.The linearity correlation was good and the assay exhibited good precision and accuracy.The subcutaneous probe recovery of baicalin in vivo was(24.40 ±0.91)%and was stable over the 240 min study peri-od.Baicalin could be detected in the microdialysis samples after transdermal administration , and its concentration continued to rise in 8 h.AUC0-t in skin tissue was(50.04 ±34.17) mg· min· L-1. Conclusion The method of skin microdialysis in vivo could be used in the local pharmacokinetic research of baicalin.