Objective To research the effect of lysine vitamin B12 oral liquid in treatment ofinfantile anorexia.Methods 130 cases with infantile anorexia admitted from May 2015 to May 2016,which in our hospital pediatric outpatient,were randomly divided into control group and observation group,65 cases in each group.The control group were given routine therapy,including the general treatment,to guide parents to correct the poor eating habits of children and themselves,and given conventional doses of zinc gluconate oral solution according to age.Observation group weregiven lysine vitamin B12 oral solution based on the control group.4 weeks for a course of treatment,of the treatment lasted for three courses.Efficacy,immune function and related adverse reactions were compared between two groups.Results The total effective rate of observation group was significantly higher than that in the control group [93.85％(61/65)vs.(70.77％,46/60)].The difference was statistically significant(P<0.05).The immunological function of the observation group was significantly better than that of the control group,the difference was statistically significant(P<0.05).There was no significant adverse reactions in the two groups.Conclusions Based on the conventional treatment,the effect thatLysine vitamin B12 oral solution on the treatment of children with anorexia was significantly better,which can restore immune function,and application is safety.

Objective To explore the value of high-resolution MRI(HR-MRI) on clinical application in the differential diagnosis between Moyamoya disease(MMD) and atherosclerosis-related Moyamoya syndrome (A-MMS). Methods Seventeen cases of patients with MMD and 18 cases of patients with A-MMS in our hospital from January 2014 to September 2015 were prospectively enrolled in the study. Record the clinical data and the proximal middle cerebral artery (M1 portion) performance on HR-MRI, the max-vessel area, the min-vessel area, the max-lumen area, the min-lumen area, the wall max-thickness, the styles of M1 portion thickening (eccentric or concentric), whether the wall was enhanced or not, and analysis the recorded data statistically, t test and χ2 test were used for the statistical analysis. Results The wall max-thickness of MMD group was (0.94 ± 0.17) mm, which was smaller than that in A-MMS group (1.23 ± 0.42) mm, there was statistic significance (t=-2.977, P=0.006). The cases of M1 portion non-enhancement was 15, slight enhancement 2, strong enhancement 0 in MMD group, and non-enhancement 5, slight enhancement 5, strong enhancement 8 in the A-MMS group, the difference was significant statistically (χ2=9.794, P=0.001). The cases of M1 portion concentric thickening was 16, 9 cases in the A-MMS group, there was statistic difference between them (χ2=6.317, P=0.012). Wall concentric thickening diagnose the MMD with a sensitivity of 94.1% (16/17), specificity of 50.0% (9/18), accuracy of 71.4%(25/35). Wall strong enhancement appear in the A-MMS with a sensitivity of 44.4%(8/18), specificity of 100%(17/17), accuracy of 71.4%(25/35).With a cut-off the maximum wall thickness of 1.2 mm could be used to noninvasively differential diagnose the MMD and A-MMS with a sensitivity of 55.6%(10/18), specificity of 88.2%(15/17), accuracy of 71.4%(25/35). Conclusion HR-MRI is a good tool for the differential diagnosis between MMD and A-MMS.

Objective To study 3D construction and printing of bone tissue engineering scaffolds by bone defect modeling on Mimics software based on CT data. Methods CT data of jaw bone defect from patients were acquired and the images were segmented using threshold segmentation combined with region growing . The three dimensional model was reconstructed by Boolean operation. The individual 3D digital model was reconstructed with internal structure by combining with computer; preparing poly-lactic acid scaffold in virtue of 3D technology. Results Using the Mimics software, we successfully constructed a 3D digital reconstruction model of bone defect based on CT data. The constructed scaffold model with certain internal form and structure was matched with the bone defect of patients, and the constructed model was exported onto STL standard format, which may be in common use. Conclusion The 3D digital model of bone defect scaffolds may effectively be reconstructed based on the CT data using Mimics software and computer aided design.

Objective To investigate the reversal effect on mdr1 gene mediated multidrug resistance in gastric cancer SGC7901/VCR cells by small interfering RNA(siRNA).Methods Two siRNAs(mdr1si2631 and mdr1si3071) specifically targeting mdr1 gene were designed and synthesized by transcription in vitro.The siRNA duplexes were used to transfect into the gastric cancer SGC7901/VCR cells.The expression levels of mdr1 mRNA and P-gp were detected by RT-PCR and immunohistochemistry respectively.The accumulation of intracellular adriamycin(ADR)was examined by flow cytometry and the cell sensitivity to ADR was demonstrated by MTT.Results The expression level of mdr1 mRNA treated by siRNAs for 48?hours was decreased in the SGC7901/VCR cells.The mdr1 RT-PCR product in the transfected mdr1si2631 SGC7901/VCR cells could hardly been found,similar to its parental SGC7901 cells,the ratio of mdr1 and ?-actin in the control SGC7901/VCR group was 1.05?0.10,the transfected mdr1si3071 group was 0.16?0.03(P0.05).The RT-PCR results showed that the mdr1 mRNA expression level in the mdr1 si2631 group decline more obviously than that in the mdr1si307l group,near by the level in its parental SGC7901 cells.The P-gp immunoreactivity(IR)in brownish-colored granules was located on the cell membrane.The P-gp IR became weaker in the SGC7901/VCR cells treated by siRNAs for 48 hours and the P-gp expression level in both transfected siRNA groups was decreased.The values of adriamycin-specific fluorescence intensity and the positive rates of intracellular ADR in both transfected siRNA groups were increased.The relative reversal efficiency of the SGC7901/VCR cells to ADR detected by MTT was 79.59%in mdr1 si2631 group and 59.98%in mdr1si3071 group respectively.Conclusion siRNA could reverse mdr1 gene mediated multidrug resistance in gastric cancer SGC790l/VCR cells.

Objective To study the expression of B7-H1 in gastric mucosa of patients with gastric carcinoma,and to identify its relationship with neoplasm metastasis and prognosis.Methods Expression of B7-H1 in gastric carcinoma cell line SGC-7901 and in freshly-resected gastric mucosa including gastric carcinoma,adjacent tumor tissue and distal normal gastric mucosa were examined by flow cytometric analysis,immunochemical staining,immunofluorescence staining and Western blot.The correlated data was analyzed statistically.And so the correlation among expression level of B7-H1 and the patients,clinicopathological parameters was established.Results B7-H1 expression was detected in SGC-7901 cell line.B7-H1 was found in cell membrane and little cytoplasm.The positive rate of B7-H1 expression in gastric carcinoma was(13/21)62%,and it was(7/21)33% in adjacent tumor tissue,Whereas B7-H1 was absent in distal normal gastric mucosa.Statistical analysis demonstrated a positive correlations of B7-H1 expression in gastric carcinoma with the depth of carcinoma infiltration,lymph node metastasis and pTNM stage(P

Objective To explore the relationship between congenital vesical ureteral reflux(VUR) and bladder dysfunction in children through videourodynamic examination.Methods Sixty-seven children with congenital VUR in the First Affiliated Hospital of Zhengzhou University from Apr.2011 to Jul.2013 were included,and their clinical information of urnary tract infection,detrusor activity,dysfunctional voiding and grade of VUR were recorded.All the children were categorized as normal,isolated detrusor overactivity (DO)and dysfunctional voiding (DV) (with or without DO) according to the manifestation of urodynamic patterns,who were also divided into groups of low grade (Ⅰ-Ⅱ) VUR or high grade (Ⅲ-Ⅴ) VUR.Data of video-urodynamic examination,urinalysis,and voiding cystourethrogram were collected to investigate the relationship between bladder dysfunction,sides and grade of VUR and urinary tract infection.Results Totally 73.1％ (49/67 cases) of children with VUR were found having bladder dysfunction,which consisted of 49.3％ (33/49 cases) of DO,23.8％ (16/49 cases) of DV.Children with isolated DO tended to manifest unilateral,low grade reflux (grade Ⅰ-Ⅱ) with less urinary infection.However,children with DV,isolated or combined with DO manifest bilateral,high grade reflux(grade Ⅲ-Ⅳ),and often with urinary infection.Conclusions Video urodynamic study is useful for evaluation of bladder function in children with VUR,which is important in management of VUR.

Objective:To express and purify the fusion protein of GST-FILIP-1L and prepare its polyclonal antibody. Methods:The constructed recombinant expression vectors pGEX-4T3-FILIP-1L were transformed into Escherichia Coli BL21. FILIP-1L fusion protein was induced by IPTG and purified by Glutathion Sepharse 4B . The rabbit was immunized by the purified fusion protein,and pro-duced serum with anti-FILIP-1L antibody. The titer of polyclonal antibody was detected by ELISA, the anti-FILIP-1L polyclonal antibody was purified by Active and its combining specificity with FILIP-1L protein was further identified by Western blot. Results:The GST-FILIP-1L fusion protein was highly expressed in E. coli, and its specific polyclonal antibody was obtained after the immunization. The polyclonal antibody purified by Active Ester Agrose was able to combine specially with FILIP-1L protein and transformed FILIP-1L protein in 293 cells and FILIP-1L protein of liver cancer cells, respectively. Conclusion: The GST-FILIP-1L fusion protein was expressed successfully,the anti-GST-FILIP-1L polyclonal antibodies with high titer and specificity are successfully prepared,these antibodies provide an useful experimental tool to research the biological function of the FILIP-1L protein.

The cluster sampling method was used and a retrospective survey on mortality trends of cerebrovascular diseases from 1989 to 2008 was conducted among residents from Erqi District in Zhengzhou city and Xigong District in Luoyang city. The average mortality rate of cerebrovascular diseases in these two districts was 69. 5/100 000 in 1989 to 2008. The standardized mortality rate for men was 118. 67/100 000 in 1989 to 1993, and dropped to 44. 23/100 000 in 2004 to 2008. The standardized mortality rate for women was 68.21/100 000 in 1989 to 1993, and dropped to 30. 2/100 000 in 2004 to 2008. The declining trends of cerebrovascular disease mortality rates might be related to early diagnosis and early treatment of the disease, and the extensive health education and prevention programs.

Wasp sting refers to a series of clinical syndromes caused by the venom in the tail poison sac of the poisonous bee when attacking the attacked body, mainly manifested as local skin damage, systemic allergic reaction and multi-organ dysfunction syndrome (MODS) . Wasp venom can also act on the nervous system, and cause rare complications such as cerebral hemorrhage, subarachnoid hemorrhage, cerebral infarction, epilepsy, encephalitis, and Parkinson's disease, which can seriously affect the prognosis. This review will elaborate the above complications for clinical reference.

Objective To explore the clinical application value of high-resolution magnetic resonance imaging (HR-MRI) in the differential diagnoses of moyamoya disease (MMD) and vasculitis-related moyamoya syndrome (V-MMS). Methods A prospective study of clinical data of 22 patients with MMD and 24 patients with V-MMS, admitted to our hospital from January 2014 to September 2016, was performed. HR-MRI and 3D-time of flight-magnetic resonance angiography (3D-TOF-MRA) were performed in all the patients. The proximal middle cerebral artery performance on HR-MRI was recorded: the max-vessel area, min-vessel area, max-lumen area, min-lumen area, wall max-thickness, styles of stenosis of the proximal middle cerebral artery lumen (eccentric stenosis or concentric stenosis), and wall enhancement or not. Results The max-vessel area, min-vessel area, and wall max-thickness of the V-MMS group were significantly larger than those in the MMD group (P<0.05). As compared with patients from MMD group, those from V-MMS group displayed higher distinct and concentric enhancement in the proximal portion of middle cerebral artery (M1 portion) and perforator vessels in basal ganglia region and small vessels in meninges or groove, with statistically significant differences (P<0.05). The sensitivity, specificity and accuracy of M1 portion wall distinct enhancement in diagnosing V-MMS were 75.0％ (18/24), 86.4％ (19/22), and 80.4％ (37/46). The sensitivity, specificity and accuracy of M1 portion wall distinct enhancement combined with perforator vessels in basal ganglia region or small vessels in meningeal or groove in diagnosing V-MMS were 63.6％(15/24), 90.9％(20/22), and 76.1％(35/46). The sensitivity, specificity and accuracy of M1 portion wall distinct enhancement combined with perforator vessels in basal ganglia region or small vessels in meningeal or groove in diagnosing V-MMS were 63.6％ (15/24), 90.9％ (20/22), and 76.1％ (35/46). Conclusion HR-MRI is a good tool in the differential diagnoses of MMD and V-MMS.