Objective To explore the relationship between tongue conditions and hemorrheology in acute stage of cerebral hemorrhage and to increase the accuracy of tongue conditions for the syndrome differentiation of acute stage of cerebral hemorrhage.Methods Eighty-eight qualified patients were enrolled into this study.The tongue conditions(tongue color,tongue coating and tongue shape) and hemorrheological indexes(whole blood viscosity,whole blood reduced viscosity,plasma viscosity,hematocrit and fibrinogen) were examined,and their relationship was also analyzed.Results The changes of tongue shape was obvious and low-shear whole blood viscosity was increased in the swollen tongue group(P

An immunopotentiating compound has been isolated from the metabolites of Bacillus mycoides under the bioassay-guided isolation and identification for its immunopotentiating effect and chemical structure. The isolation and purification of the compound were consisted of macroporous adsorptive resins, silicagel chromatographic column and Sephadex G-200 chromatographic column. The immunopotentiating effect was assayed in every step isolation. At last, the only substance having the strongest immunopotentiating effect had been isolated and purified. Through the procedure consisiting of Ultra-Violet spectroscopy (UV), IR (Infrared Radiation), Time of Flight Mass Spectrum (TOF-MS), Nuclear Magnetic Resonance (NMR) and Element analysis, the possible structure of compound M had been identified as cyclic (Pro-Gly) dipeptide (C7H10O2N2) (Diketopiperazine). To be determined the immunopotentiating effect, the mice were treated by intraperitoneal injection of cyclic (Pro-Gly) dipeptide in the treatment group and physiologic saline in the control group. At the 14th day after the injection, the SOD activity and the phagocytosis activities reached the peak value and were significantly higher than those in control group. At the 21st day, the bactericidal activity reached peak value and was significantly higher than that in the control group. From the above results, we concluded that the main active component enhancing the immunity of mice was cyclic (Pro-Gly) dipeptide in the metabolism of Bacillus mycoides.

Objective　To investigate the relationship between canceration and primary operation mode for congenital choledochal cysts(CCC). Methods　The clinical data of 21 patients with CCC treated in the last 30 years were analysed retrospectively. Results　In this series, the incidence of carcinoma was 14.8%; the canceration rate after internal drainage operation was significantly higher than that after resection of the cyst(P<0.001); the age of canceration after internal drainage was younger than that of resection of the cyst(P<0.01) and patients without operation(P<0.01); the interval time of canceration after internal drainage operation was significantly less than that of resection of the cyst(P<0.01); the age of carcinoma would be 15.4 years younger in internal drainage operation patients than that in patients without operation. Conclusions　Internal drainage, which could accelerate the occurrence of canceration of CCC, should be abandoned; resection of the cyst is recommended as the therapy of the first choice.

OBJECTIVE:To investigate the effect of X-ray repair cross complementing gene(XRCC1)Arg399Gln(G→A) polymorphism on efficacy of oxaliplatin+fluorouracil chemotherapy and survival time of advanced gastric cancer patients. METH-ODS:Totally 52 cases of advanced gastric cancer were selected from Hainan Provincial People's Hospital during Jan. 2013-Jan. 2015. They were given oxaliplatin+fluorouracil chemotherapy,for 3 courses(a treatment course lasted for 3 weeks). The genotypes of patients were detected by PCR-LDR. Disease control rate and progression free survival were compared among different geno-types. RESULTS:Among 52 cases of advanced gastric cancer,there were 28 cases of XRCC1 GG genotype(53.8%),21 cases of GA genotype(40.4%),3 cases of AA genotype(5.8%),frequencies of which were all in line with Hardy-Weinberg balance(P>0.05). Disease control rates of 52 cases were 76.9%,among which disease control rate(92.9%)of GG genotype was significantly higher than that of GA+AA genotype(58.3%),with statistical significance(P<0.05). The average progression free survival of 52 cases was(7.1+1.2)months,among which progression free survival of GG genotype [(8.6±0.8)months] was significantly longer than that of GG+GA genotype [(5.9 ± 0.7)months],with statistical significance (P<0.05). CONCLUSIONS:XRCC1 polymor-phism is correlated with efficacy of oxaliplatin+fluorouracil chemotherapy and progression free survival,and XRCC1 GG genotype is more sensitive to chemotherapy drugs. XRCC1 gene can be regarded as predictive indicator for therapeutic efficacy of chemothera-py and survival.

The effect of cholesterol ester transfer protein(CETP) on SR-B1 mRNA expression in mouse liver was investigated.The results demonstrated that CETP transgenic mice showed lower serum total cholesterol and high density lipoprotein-cholesterol levels but higher total cholesterol and cholesterol ester content in liver when compared with wild type mice(P＜0.05).The expression of SR-B1 mRNA in liver of CETP transgenic mice was significantly lower as compared with the control group(P＜0.05).

Objective To analyze the relationship between the expression of MHC class I chain-related gene A/B(MICA/B) on different human cancer cells and their sensitivity to NK cell cytotoxicity.Methods Hie expression MICA/B in K562,Bcap37,769P and A549 cells was measured by FACS.Isolation of NK cells were obtained by the modified RosetteSep~((R)) procedure.Cytotoxicity of NK cells at different ef0.50)%,(90.72±0.64)%,(55.59±0.55)%,and(3.84±0.10)% respectively.The purity of NK cells obtained by the modified RosetteSep~((R)) procedure was(96.52±2.42)%,whereas the cytotoxicity of NK cells against K562,Bcap39 and 769P was much higher than that of A549(P<0.01).The expression of MICA/B was significantly correlated with the cytotoxicity of NK cells at E:T ratios of 5:1,10:1 and 20:1 respectively(P<0.01).Conclusion The MICA/B expression on cancer cell lines was correlated with NK cell-mediated cytolysis and influenced the cytotoxicity of NK cells.

Objective To extract exosomes from dendritic cell (DC)and investigate antitumor effect of the special cytotoxic T lymphocytes activated by exosomes against 769-P.Methods Monocytes from peripheral blood of healthy donors were cultured to induce DC in intro and their phenotypes were analyzed by FACS.The exosomes were extracted from DC by ultrafiltration and ultracentrifugation and observed under electric microscope.Proliferation of T cells and the cytotoxicities of CTL against 769-P induced by exosome were measured by MTT.Results The exosomes could be separated from culture supernatant of DC by ultrafiltration and ultracentrifugation.The combination of the exosomes from DC and the 769-P antigen could effectively stimulate T cell proliferation and enhance their cytotoxicity, the absorption value of T cell proliferation(1.68±0.22), the cytotoxicity of CTL(38.23±2.16)%.Conclusion The exosomes extracted by ultrafiltration and ultracentrifugation can present tumor antigen to T cells and induce the cytotoxicity of CTL.

Breast Neoplasms ; metabolism ; pathology ; Cadmium Compounds ; Cell Line, Tumor ; Female ; Humans ; Quantum Dots ; Receptor, ErbB-2 ; analysis ; metabolism ; Selenium Compounds ; Spectrometry, Fluorescence ; Tellurium ; Zinc Compounds

Objective:To observe the clinical efficacy of warm needling therapy for chronic lumbar strain.Methods:A total of 60 patients with chronic lumbar strain who met the inclusion criteria were randomized into a treatment group and a control group by the random number table,with 30 cases in each group.The treatment group was treated with warm needling therapy,while the control group was treated with ordinary acupuncture treatment.The treatments were both performed once every other day,and 7 times constituted a course of treatment.Visual analog scale (VAS) score was used to assess the degree of pain and the clinical efficacy was compared between the two groups.Results:The total effective rate of the treatment group was higher than that of the control group (P＜0.05).There was no significant difference in VAS score between the two groups before treatment (P＞0.05).After treatment,the VAS scores of both groups decreased significantly,and the intra-group differences were statistically significant (both P＜0.05).The VAS score of the treatment group after treatment was statistically different from that in the control group (P＜0.05).Conclusion:Warm needling therapy has a better curative effect than ordinary acupuncture in the treatment of chronic lumbar strain.

Objective To predict and identify liner B-cell epitopes in the hemagglutinin ( HA) of human-infected avian-origin H7N9 influenza virus and analyze the specificity of H7 subtype.Methods Three serum samples collected at different times from the same patient who was confirmed to be infected with H7N9 influenza virus were provided by Shaoxing People’s Hospital, and one serum sample from healthy person was collected as the control.The extracellular region of HA protein was predicted by TMHMM Sever v.2.0.The potential B-cell epitopes were predicted by DNAStar Lasergene’ s Protean, BcePred and ABCpred tools, and the immunogenicity of the predicted B cell antigen epitopes was assessed by indirect enzyme-linked immunosordent assay ( ELISA ) .H7 subtype specificity was analyzed by comparing HA protein amino acid sequence with H7N9 and H1-H16 subtype influenza virus from Genbank using Clustal X 2.1 software, and Cn3D 4.3.1 software was used to detect the distribution and 3D structure of predicted epitopes on the HA protein of H7N9.Results The potential B-cell epitopes may be located in 172-183, 363-380, 452-472 and 491-506 of extracellular N-terminus of HA protein.ELISA showed that four predicted eptiopes specifically reacted with positive serums from patient.Multi-sequence alignment demonstrated that peptide 172-183 and 363-380 had higher H7 subtype specificity compared with amino acid sequences of other subtypes.Moreover, the predicted linear B-cell epitopes all located on the surface of HA protein according to the 3D structure analysis.Conclusion Four potential B-cell epitopes were identified, in which peptide 172-183 and 363-380 have higher H7 subtype specificity, and may be used in the design of epitope-based vaccines and diagnostics tests.