Acupuncture Points ; Acupuncture Therapy ; methods ; Adult ; Female ; Humans ; Male ; Middle Aged ; Xanthomatosis ; therapy

Objective To investigate the clinicopathological features of primary gastric malignant lymphoma.Methods 32 cases of primary gastric non Hodgkin's malignant lymphoma(NHL)were studied by clinicopathology,immunohistochemistry and ultrastructure.Results 3 cases of NHL arose from fundus of stomach,7 cases from body of stomach,8 cases from gastric angle,and 14 cases from gastric antrum.The paraffin sections of all cases were stained.There were 31 cases(96\^9%)exhibiting B cell phenotype,only 1 case(3\^1%)exhibiting T cell phenotype.11 cases of NHL and 6 cases of undifferentiated carcinoma(UC)in stomach were observed comparatively under electron microscope(EM).The ultrastructural characteristics of NHL were much different from those of UC.Conclusion Most primary gastric malignant lymphoma are B cell lymphomas.Immunohistochemistry and ultrastuctural observation are much helpful in the diagnosis and differential diagnosis between NHL and UC.

Objective To establish a method for detection of RhD(+) red blood cells mixed in D-negative blood by flow cytometry(FCM).Method RhD(+) and RhD(-) RBCs were mixed according to predefined ratios.Cells were indirectly labeled,with IgG anti-D labeled as the first antibody,and FITC-anti-IgG F(ab')2 as the second antibody.The percentage of RhD(+) RBCs was determined by FCM,and the best dosage of IgG anti-D was also defined.The ratio of red cells in the two groups,measured by FCM,was compared with the actual ratio.The consistency of method was also evaluated.Results The effective dosage of IgG anti-D was 1∶4,and 50?l/1?106 cells.When the actual percentages of RhD(+) cell among RhD(-) cells were 2.5%-0.312%,the correlation coefficient between the percentages measured by FCM and the actual percentages was 0.987.The same tubes,containing 10% and 2.5% RhD(+) RBCs,were each tested for 10 times,and their coefficient of variation were 3.4%,and 4.9%,respectively.Conclusion The method of quantifying the RhD(+) RBCs in D-negative blood by FCM is feasible and repeatable,which deserves a further clinical application.

Objective To investigate the occupational hazards of nurses in the supply room,to determine what kind of occupational hazards is most dangerous,and accordingly put forward some suggestions of protective measures.Methods Totally 208 nurses from supply rooms of 4 general hospitals were surveyed with questionnaires.The data of occupational hazards were analyzed.Results Various kinds of occupational hazards happened among nurses in the supply room,and among all occupational hazards,physical damage was the most frequently happened.Conclusions The occupational protection awareness of nurses is relatively weak.They can not properly handle damages caused by occupational hazards,so sufficient attention should be given to it.

In recent years,many medical institutions have opened a health management specialty about whose employment prospect students are not optimistic.But there is a huge gap in the position of China’s medicine employment market,and thus the contradiction in employment is very conspicuous.Therefore it is an effective way to resolve the contradiction by enhancing the student's overall quality of professional medical management and improving their professional competitiveness.

Objective To clone and express the hexon protein of three prevalent human adenovi -rus strains causing respiratory disease and analyze the antigenic characteristics of the recombinant proteins . Methods The full length genes encoding hexon protein of human adenovirus serotype 3(HAdV3), serotype 4(HAdV4) and serotype 7(HAdV7) were cloned by PCR and sequenced , respectively.The alignment anal-ysis was performed by using hexon gene sequences from GenBank .The major antigenic regions of hexon pro-tein of the three serotypes were expressed in E.coli and purified.The antigenicity, immunogenicity and cross reactivity of the recombinant proteins were determined by ELISA and Western blot assay .Results The full length gene sequence encoding hexon protein of human adenovirus serotype 4 was firstly reported in China , which showed more than 99%homology in both nucleotide and amino acid sequences with the human adeno-virus type 4 NHRC3 strain.The partial hexon protein sequence of HAdV 3, HAdV4 and HAdV7 containing all of the 7 hyperviriable regions ( HVRs) were expressed in E.coli, respectively .The purified recombinant proteins could be recognized by antiserum of the three serotypes of adenovirus .The antiserum samples against the three recombinant proteins could cross-react with particles of the three serotypes of adenovirus . The possible type-and species-specific epitopes were predicted .Conclusion The major antigenic regions of hexon protein of the three serotypes were successfully expressed .The purified recombinant proteins contai-ning both intertypes and type-specific epitopes showed a strong immunogenicity .

OBJECTIVE: To observe the clinical efficacy of Jianpi shoushen decoction in the treatment of cases of impaired glucose tolerance with Qi deficiency and phlegm-dampness constitution. METHODS:62 Patients with impaired glucose tolerance with Qi deficiency and phlegm-dampness constitution were randomized into 2 groups, i.e. trial group were treated with Jianpi shoushen decoction q.d for 3months (p.o.,n=31); control group were treated with 50 mg Acarbose tablet t.i.d for 3 months (p.o.,n=31). Patients in two groups were all received healthy education such as diet guide and sport instruction. The effective rate, glycemic index and weight index of two groups were observed. RESULTS: The rate of hypoglycemic efficacy and weight lose efficacy in trial group were better than in control group(P

Objective To investigate the diagnostic value of breast MRI in patients presenting with microcalcifications on mammography.Methods Eight four patients were retrospectively analyzed,who had mammographically detected BI-RADS (breast imaging reporting and data system) 3 to 5 microcalcifications and underwent breast MRI before surgical biopsy.All mammography and MR images were reviewed with BI-RADS.With histopathological diagnosis as golden standard,the sensitivity,specificity and accuracy of the two methods were calculated and compared with x2 test or Fisher exact test.The diagnostic efficacy of the two methods was compared with ROC curve.Results Pathologic examination revealed 91 lesions in 84 patients including 49 benign lesions and 42 malignant lesions.For 21 lesions of category 3 microcalcifications,the specificity of mammography and MR was 100.0％ (21/21) and 95.2％ (20/21),which had no significant difference (P=1.000).For 51 lesious of category 4,sensitivity,specificity and accuracy of mammography were 100.0％(23/23),0 and 45.1％(23/51).The corresponding values for MR were 91.3％(21/23),82.1％ (23/28) and 86.3％ (44/51).The difference for specificity and accuracy between the two methods was statistical significant(x2 value was 30.030 and 19.182,respectively,with P＜0.01),but not for sensitivity(x2=0.523,P=0.470).Nineteen lesions of category 5 were all correctly diagnosed on mammography and MRI.For all the 91 lesions,the sensitivity,specificity and accuracy of mammography were 100.0％(42/42),42.9％(21/49) and 69.2％(63/91),respectively.The corresponding values for MRI were 95.2 ％(40/42),87.8％(43/49) and 91.2％(83/91).There was significant difference for specificity and accuracy between the two methods (x2 value was 21.798 and 13.851,respectively,with P＜0.05),but not for sensitivity (x2=0.512,P=0.474).The areas under ROC curve for mammography and MR were 0.844,0.945(P＜0.01),for the estimation of the benign and the malignent.Conclusions Compared with mammography,breast MRI significantly improved the diagnosis of category 4 microcalcifications with increased specificity and accuracy.But for microcalcifications of category 3 and 5,MR didn't improve the diagnostic effect.

Objective To measure the expression of granulocyte colony-stimulating factor receptor (G-CSFR) in human melanocytes and to evaluate the biologic effect of recombinant human granulocyte colony-stimulating factor (rhG-CSF) on human melanocytes.Methods Melanocytes were obtained from circumcision specimens of healthy males,and neutrophils were isolated from heparin-andcoagulated peripheral blood of healthy human followed by a primary culture.Then,the melanocytes in third passage were cultured with or without the presence of various concentrations (200,400,600,800 μg/L) of rhG-CSF for 72 hours.The growth and morphology of melanocytes were observed.Flow cytometry was performed to detect the expression of G-CSFR in untreated human melanocytes,neutrophils and erythroleukemia cells (HEL 92.1.7).Western blot and reverse transcription PCR (RT-PCR) were carried out to measure the expression of G-CSFR protein and mRNA respectively in the neutrophils,HEL 92.1.7 cells,treated or untreated human melanocytes.Methyl thiazolyl tetrazolium (MTT) assay was performed to evaluate the proliferation,and dopa-oxidation assay to estimate the tyrosinase activity,of treated melanocytes.Results The expression rate of G-CSFR was 76.81％ ± 10.70％ in human melanocytes,significantly higher than that in the HEL 92.1.7 cells (2.53％ ± 1.54％,P ＜ 0.01 ),but lower than that in the neutrophils (85.76％ ± 15.71％,P ＜ 0.05).Both G-CSFR protein and mRNA were expressed in melanocytes,and there was no significant differences in the expression level of G-CSFR protein and mRNA among melanocytes treated with different concentrations of rhG-CSF (both P ＞ 0.05).The expression levels of G-CSFR protein and mRNA in the melanecytes were significantly higher than those in the HEL 92.1.7 cells (both P ＜ 0.01 ),but lower than those in the neutrophils (P ＜ 0.05 or ＜ 0.01 ).rhG-CSF at 200-800 μg/L displayed a significantly promotive effect on the proliferation of melanocytes (P ＜ 0.01 or ＜ 0.05 ),and the effect was in a dose-dependent manner when rhG-CSF ranged from 200 to 600 μg/L (P ＜ 0.01 ).The rhG-CSF at 600 μg/L and 12-O-tetradecanoyl-phorbol-13-acetate (TPA) at 20 μg/L showed an equivalent effect on the proliferation of melanocytes (164.04％ ± 13.0％ vs.165.62％ ± 10.6％,P ＞ 0.05).However,rhG-CSF from 200 to 800 μg/L had no significant impact on the tyrosinase activity of melanocytes (all P ＞ 0.05 ).Conclusions G-CSFR is expressed in human melanocytes. rhG-CSF can promote the proliferation of cultured human melanocytes,but has no obvious influence on the tyrosinase activity of melanocytes.

Objective To investigate the species composition and quantitative dynamic state of rodent and parasitic flea in Huairou District of Beijing City,and to carry out serologic monitoring of animal plague.Methods Rodent density was investigated at different habitats in eight villages and towns between 2009 and 2011.Serum samples from captured rodents were detected by indirect hemagglutination test,and genotypes of collected parasitic fleas were identified.Results A total of 709 rodents which belong to eight different kinds were captured with a rodent density of 2.52％ (83/3 300),and Rattus niviventer and Apodemus peninsulae were dominant species,acounted for 46.4％ (329/709) and 18.1％(128/709),respctively.Five hundred and sixty-three serum samples of rodents were tested by plague indirect hemagglutination,and all of them were plague antibody negative.Two hundred fleas were checked with a flea infected rate of 29.63％ (48/162),and a flea index of 1.23; Paraceras crispus and Leptopsylla pavlovskii were dominant flea species,a total of 30 and 27,respectively.Conclusion Some environment conditions are suitable for rodents survival,even though there is no sign of animal plague epidemic.