1.The verification of industry standard for total IgE quantitative labelling immunoassay kit
Nan SUN ; Ting YU ; Yumei WANG ; Shangxian GAO
International Journal of Laboratory Medicine 2014;(18):2523-2524,2577
Objective To verify the industry standard for total IgE quantitative labelling immunoassay kit .Methods Different methods of kits were used and were verified in accordance with industry standard .Results The appearance ,limit of blank ,linearity , accuracy ,precision and stability could meet requirements ,while specificity of individual kits was just partly qualified .Conclusion The establishing of the industry standard for total IgE quantitative labelling immunoassay kit was reasonable ,which could help to standardized the experimental methods and technical requirements and promoted the improvement of quality ,and offer the basis for the admistration .
2.Construction and Effect Analysis of the Clinical Information System for Closed -loop Management of Medical Advices
Xichuan ZHENG ; Yu SUN ; Ting CHEN ; Yanfeng HU
Journal of Medical Informatics 2015;(10):30-33
Based on the clinical informatization construction of large comprehensive hospitals , as required by information -based closed-loop management of medical advices , the paper analyzes the objectives and contents of informatization constructization in the closed-loop management of medical advices in modern hospitals , introduces the application effects of closed -loop management of medi-cal advices , and points out that such a management mode is the basis for future development of smart health care .
3.Comparative study of three biodegradable films for protein drug carrier
Ting XIA ; Shuyi LI ; Hongfan SUN ; Mei YU
International Journal of Biomedical Engineering 2014;37(6):332-336
Objective To prepare three kinds of biodegradable film materials used for protein drug carrier,and compare their degradation and drug release behavior.Methods Three different biodegradable and controlled release films,gelatin,chitosan oligosaccharides and crosslinked chitosan oligosaccharides films were prepared.Protein release behavior was determined by the Bradford.At the same time,degradation rate and swelling rate were tested,and the biocompatibility of film was investigated by MTT assay.Results The release time of crosslinked chitosan oligosaccharides film was 168 h,which was longer than that of chitosan oligosaccharides film,and different in different solution.The degradation rate and the swelling rate of crosslinked chitosan oligosaccharides was 60% (360 h) and 110.45%,respectively,while the chitosan oligosaccharides membrane was 80% (360 h) and 113.03%.The MTI assay revealed that the crosslinked chitosan oligosaccharides film had better biocompatibility.Conclusions By comparing different properties,the crosslinked chitosan oligosaccharides film is the best choice for protein drug carrier.
4.Application of external application of fermented flour in parturient with engorgement and gas pains of breast
Chinese Journal of Modern Nursing 2012;18(6):649-651
Objective To evaluate the effect of external application of fermented flour on postpartum patients with engorgement and gas pains of breasts.Methods Totals of 109 postpartum cases with engorgement and gas pains of breasts in experimental group received external application using fermented flour,while 123 cases in control group received massage (clinical routine),then pain relieve,caring time,acceptable degree,breasts hardness and unobstructed degree of mammary gland during two groups were observed and compared.Results During intervention,in experimental group 33.02% patients felt pain significantly relieved and 27.52% felt pain relieved,onlyl2.19% patients felt pain relieved and 58.54% patients felt pain aggravated in control group,and the difference was statistically significant ( u =10.317,P < 0.01 ).After intervention,81.65% patients felt pain significantly relieved and 13.76% felt pain relieved in experimental group,and 18.70% patients felt pain significantly relieved,50.41% patients felt pain relieved and16.26% patients felt pain aggravated in control group,and the difference was statistically significant( u=9.356,P <0.01 ).The average time of nursing operation in experimental group was ( 28.4 ± 4.1 ) min significantly shorter than (98.3 ± 11.2 )min in control group ( t =8.069,P < 0.01 ).There was no significant difference on the breasts hardness improvement(P > 0.05). In experimental group 79.82% patients' mammary gland completely unobstructed,18.35% patients less unobstructed and 1.83% patients obstructed,while that in control respectively was 47.97%,35.77%,16.26%,and the difference was statistically significant ( u =5.258,P < 0.01 ).Conclusions External application of fermented flour has many advantages such as relieve pain well,unblock mammary gland,save the caring time and easier be accepted and so on.So,it is a favorable nursing care method for postpartum patients with engorgement and gas pains of breasts.
6.Significance of PLSCR1 in Matrine Induced Differentiation of ATRA Resistant APL Cells.
Di-jiong WU ; Ting-ting LIU ; Qi-hao ZHOU ; Jie SUN ; Ke-ding SHAO ; Bao-dong YE ; Yu-hong ZHOU
Chinese Journal of Integrated Traditional and Western Medicine 2015;35(11):1345-1350
OBJECTIVETo observe the expression of phospholipid scramblase 1 (PLSCR1) in matrine (MAT) induced differentiation of all-trans retinoic acid (ATRA) resistant acute promyelocytic leukemia (APL) cells, and to explore its correlation to cyclic adenosine monophosphate (cAMP)/protein kinase A (PKA) signal pathway.
METHODSNB4 (an APL cell line sensitive to ATRA) and NB4-R1 (a resistant strain of ATRA) were observed as subjects in this study. Effects of combined treatment of 0.1 mmol/L MAT and 1 [mol/L ATRA on the differentiation of two cell lines were detected using nitroblue tetrazolium (NBT) reduction test and flow cytometry (CD11b). Expressions of PML/RARot and PLSCR1 protein/gene were detected using Western blot and Real-time fluorescence quantitative PCR assay. Meanwhile, H89, PKA antagonist, was used to observe cell differentiation antigen and changes of aforesaid proteins and genes.
RESULTSMAT combined ATRA could significantly elevate positive rates of NBT and CD11 b in NB4-R1 cells, and significantly down-regulate the expression of PML/RARapha-fusion protein/gene (P < 0.05, P < 0.01). ATRA used alone could obviously enhance the expression of PLSCRI in NB4 cells at protein and mRNA levels (P < 0.01). But the expression of PLSCR1 was up-regulated in NB4-R1 cells, but with statistical.difference only at the protein level (P <0. 01). In combination of MAT, PLSCR1 protein expression was further elevated in the two cell lines (P < 0.01). Besides, there was statistical difference in mRNA expressions in NB4-R1 cells (P < 0.05). All these actions could be reversed by treatment of 10 micromol/L H89 (P < 0.05, P < 0.01).
CONCLUSIONMAT combined ATRA could significantly induce the differentiation of NB4-R1 cells, and inhibit the expression of PML/RARalpha fusion gene/protein, which might be associated with up-regulating PLSCR1 expression.
Alkaloids ; Antineoplastic Agents ; Cell Differentiation ; Cell Line, Tumor ; Down-Regulation ; Humans ; Leukemia, Promyelocytic, Acute ; metabolism ; Phospholipid Transfer Proteins ; metabolism ; Quinolizines ; RNA, Messenger ; Signal Transduction ; Tretinoin ; Tumor Cells, Cultured ; Up-Regulation
7.Effects of cyclooxygenase-2 inhibitors on gastric epithelial cell proliferating and gastric healing following hydrochloric acid-induced injury in rats
Weihao SUN ; Xilong OU ; Qian YU ; Dazhong CAO ; Hong CHEN ; Ting YU ; Hua SHAO ; Feng ZHU ; Yunliang SUN
Chinese Journal of Pathophysiology 2000;0(11):-
AIM: To clarify the effects of specific and non-specific cyclooxygenase-2 (COX-2) inhibitors on gastric epithelial cell proliferating and gastric healing following acid-induced damage. METHODS: Male Sprague-Dawley rats were given 1 mL of 0.6 mol/L hydrochloric acid (HCl) into the stomach. Ten minutes after the administration of the acid,the animals were given NS-398 (COX-2 inhibitor) or indomethacin. Levels of COX-1 and COX-2 in the gastric mucosa before and after HCl-administration were analyzed using western blotting and immunohistochemical staining. Proliferating cell nuclear antigen (PCNA) was detected using immunohistochemistry for epithelial cell proliferation. Gastric lesion index (LI) was assessed using planimetry. RESULTS: Expression of COX-2 was enhanced mainly in surface epithelial cells and neck cells following HCl-administration. At 24 h following acid administration,PCNA labeling index (PCNA-LI) was (22.72?4.33) % and (21.98?5.18) % in the groups treated with 40 mg/kg of NS-398 and indomethacin respectively,which was significantly lower than that in the control group [ (34.46?3.61) %,P
8.Effects of gastrin on expression of cyclooxygenase and growth factors in rat gastric mucosa
Weihao SUN ; Dazhong CAO ; Qian YU ; Xilong OU ; Hong SHEN ; Ting YU ; Feng ZHU ; Yunliang SUN ; Xiling FU
Chinese Journal of Pathophysiology 1986;0(02):-
AIM: To clarify the effects of gastrin on t he expression of cyclooxygenase (COX) and several growth factors in rat gastric mu cosa. METHODS: Male Sprague Dawley rats were fasted for 24 hours and s ubcutaneously injected with saline or gastrin 17 at doses of 1 ?g/kg, 10 ?g/kg and 100 ?g/kg, respectively. The expression of COX-1, COX-2, heparin-binding e p idermal growth factor-like growth factor (HB-EGF) and hepatocyte growth factor ( HGF) in the gastric mucosa were examined using Western blotting and immunohistoc hemical staining. Effects of a potent gastrin receptor antagonist YM022 on the e xpression of COX-1, COX-2, HB-EGF and HGF in gastric mucosa were also evaluated. RESULTS: Gastrin dose-dependently increased the expression of C OX-2 and HB-EGF in rat gastric mucosa while the expression of COX-1 and HGF did not change significantly after treatment with gastrin. However, pretreatment wit h YM022 dose-dependently abolished the up-regulation of COX-2 and HB-EGF express ion induced by gastrin. CONCLUSIONS: This study demonstrates that gastrin up-regulates C OX-2 and HB-EGF expression in rat gastric mucosa, indicating that COX-2 and HB-E GF are involved in pathogenesis of the gastrin-related gastric mucosal hyperplas ia and carcinoma of stomach.
9.Methods and evaluations on the sterioid-induced osteoporosis mice model with the type of Kidney-Yin deficiency.
Bing-jiang XIA ; Pei-jian TONG ; Yan SUN ; Luo-yu ZHOU ; Hong-ting JIN
China Journal of Orthopaedics and Traumatology 2014;27(8):673-679
OBJECTIVETo establish the steriod-induced osteoporosis model with the type of Kidney-Yin deficiency.
METHODSTotally 45 female Kunming mice were randomly divided into normal group,model group and Liuwei Dihuang pills(Chinese character: see text)group. The model was established by intramuscular injecting of Dexamethasone. Liuwei Dihuang pills (Chinese character: see text) group was administered orally with Liuwei Dihuang pills (Chinese character: see text). The signs and symptoms of mice were observed dynamically. All the animals were sacrificed at the end of the 6th weeks. The level of ACTH, cAMP, cGMP, TSH and E2 in serum were detected to evaluate deficiency of Kidney-Yin. Morphological changes and bone density were observed to evaluate osteoporosis.
RESULTS(1) Compared with control group, mice in model group appeared obvious Kidney-Yin deficiency symptoms, including hair dry, restlessness, excitability, hard stool, and yellow. (2) Compared with control group,the weight of mice in model group gained slower (P<0.01); the index of adrenal gland,liver and spleen decreased (P<0.01, P<0.01 ,P<0.01); the level of ACTH and TSH increased (P<0.01 ,P<0.01), the level of E2 decreased (P<0.01) and the ratio of cAMP/cGMP increased (P< 0.05). (3)Compared with control group,the bone density of lumbar vertebra and femur in model group were significantly decreased (P<0.01, P<0.05); HE staining revealed osteoporosis in model group mice. (4)However, the Liuwei Dihuang pills (Chinese character: see text) group can partly antagonize the inhibition of the HPA axis, alter the disordered sex hormone and the ratio of cAMP/cGMP, and reverse the osteoporosis partly.
CONCLUSIONthe model of osteoporosis with type of Kidney-Yin deficiency could be established by Dexamethasone intramuscular injection. With less interference, it wight be a stable and reliable modeling method for integration of disease and syndrome in TCM.
Animals ; Bone Density ; Dexamethasone ; toxicity ; Disease Models, Animal ; Female ; Kidney Diseases ; etiology ; Medicine, Chinese Traditional ; Mice ; Osteoporosis ; chemically induced ; Yin Deficiency ; complications
10.Minimally invasive percutaneous plate osteosynthesis versus open reduction and internal fixation for distal tibial fractures in adults: a meta-analysis.
Qing-xi ZHANG ; Fu-qiang GAO ; Wei SUN ; Yun-ting WANG ; Yu-run YANG ; Zirong LI
China Journal of Orthopaedics and Traumatology 2015;28(8):757-762
OBJECTIVETo perform a meta-analysis on clinical outcomes of minimally invasive percutaneous plate osteosynthesis (MIPPO) or open reduction and internal fixation (ORIF) for distal tibial fractures in adults.
METHODSPubmed database (from 1968 to March 2014), Cochrane library and CNKI database (from 1998 to March 2014) were searched. Case-control study on minimally invasive percutaneous plate osteosynthesis (MIPPO) or open reduction and internal fixation (ORIF) for distal tibial fractures in adults were chosen,and postoperative infection, operative time, blood loss, fracture nonunion rate, delayed union,fracture malunion rate were seen as evaluation index for meta analysis. The system review was performed using the method recommended by the Cochrane Collaboration.
RESULTSTotally 5 studies (366 patients) were enrolled. Meta-analysis showed that there were significant meaning in postoperative infection between MIPPO and ORIF [OR = 0.23,95% CI (0.06,0.92), P = 0.04]; fracture nonunion rate in MIPPO was lower than in ORIF group [OR = 0.16, 95% CI (0.03,0.76), P = 0.02]; operative time in MIPPO was shorter than in ORIF group, and had significant difference [MD = -14.42, 95% CI (-27.79, -1.05), P < 0.05]; blood loss in MIPPO was less than in ORIF group [MD= -87.17,95%CI (-99.20, -75.15), P < 0.05]; there was no obviously meaning in delayed union between two groups.
CONCLUSIONFor distal tibial fractures in adults, MIPPO has, advantages of short operative time, less blood loss, lower incidence of infection and fracture non-uniom, but with high fracture malunion rate. MIPPO for distal tibial fractures in adults is better than ORIF, and the best treatment should choose according to patient's condition.
Bone Plates ; Fracture Fixation, Internal ; methods ; Fracture Healing ; Humans ; Minimally Invasive Surgical Procedures ; methods ; Operative Time ; Tibial Fractures ; surgery