1."Application study of""Four in One""informational teaching model in Medical Nursing teaching"
Liqin XIE ; Jun ZHOU ; Lichun HE ; Na JIANG
Chinese Journal of Practical Nursing 2017;33(7):496-500
Objective To construct Four in One informational teaching model based on cloud platforms, simulation training, nursing micro-lectures and multidimensional evaluation investigate, and to explore the effect of theFour in Oneinformational teaching model applied in Medical Nursing teaching. Methods Two classes students of 2014 were selected by randomized sampling and were divided into experiment group and control group, the experiment group operated the Four in One informational teaching mod, the control group operated regular teaching. After the experiment,using the medical nursing theory test, the skill test, the questionnaire survey to evaluate the teaching effectiveness. Results The theoretical examination score, skill examination score and overall results of experiment group were (78.81±6.44), (82.01±5.22), (80.41±6.32) points, while (71.12±8.12), (76.74±6.3), (75.57±5.51) points of control group, and the difference was statistically significant (t=5.47, 4.86, 3.22, P<0.01 or 0.05). The students' interested in the informational teaching model of the experimental group reached 78.72%(37/47) and learning satisfaction reached 91.48% (43/47). Conclusions The Four in One informational teaching model applied in Medical Nursing teaching can improve the study effect .
2.Induced pluripotent stem cells can be reprogrammed from human umbilical cord mesenchymal cells by six transcription factors
Hanhua YANG ; Yuanguo CHEN ; Xiulan LAI ; Lichun XIE ; Zexin ZHENG ; Xuewu JIANG ; Lian MA
Chinese Journal of Applied Clinical Pediatrics 2014;29(17):1331-1336
Objective To establish and identify the induced pluripotent stem cell(iPSC) line reprogrammed from human umbilical cord mesenchymal cells(HuMSCs).Methods HuMSCs were cultured by adhesion method,and OCT4,SOX2,KLF4,c-Myc,NANOG,LIN-28 were transfected into HuMSCs with lentiviral victor to reprogramme HuMSCs into iPSC.Morphological observation,pluripotency genes (SOX2,TDGF1,THY-1,OCT4,REX1 and TERF1) expression,alkaline phosphatase detection,karyotype analysis,embryonic stem cells (ESC) specific proteins (NANOG,OCT4,SSEA-4,TRA-1-81) immunofluorescence staining,differentiated into teratomas in vivo(inject the iPSC into SCID mice) and embryniod bodies in vitro were performed to exam the pluripotency of the iPSC.Results Four days after being infected by lentivirus,the HuMSCs became round-shape; 10 days after infection,some embryonic stem(ESC)-like colonies appeared.Fourteen days after infection,picked up the regularly shaped colonies and cultured several passages.About 1.25% HuMSCs were reprogrammed into iPSC.The iPSC presented clone-like growth like ESC.All the cells were positive to alkaline phosphatase staining and expressed the pluripotency genes.The iPSC also expressed the ESC specific proteins,and karyotype analysis showed normal chromosome caryotype (46,XY).Furthermore,the iPSC could form embryoid bodies in vitro,expressed alpha fetoprotein(AFP),smooth muscle actin(SMA) and β-tubulin.The iPSC could alsoform teratomas in vivo.Conclusion OCT4,SOX2,KLF4,c-Myc,NANOG,LIN-28 can reprogram HuMSCs into iPSC efficiently.
3.The comparison between mild cases and severe cases of hand-foot-mouth disease
Guoshun MAO ; Ling LUO ; Xiaolin LIU ; Lichun WANG ; Lifeng LIU ; Zhifeng QIU ; Yang HAN ; Yong ZHAO ; Ying ZHU ; Jing XIE ; Qihan LI ; Taisheng LI
Chinese Journal of Infectious Diseases 2008;26(7):387-390
Objective To compare the simple cases of hand-foot-mouth disease(HFMD) with HFMD patients complicated with encephalitis and HFMD cases complicated with pulmonary edema (PE). To explore predictor factors of disease progression and unfavorable prognosis. Methods Forty-one EV71-infected children admitted to the Fuyang First People's Hospital in Anhui Province from March to May in 2008 were investigated in the research, who were classified as encephalitis-complicated cases ( encephalitis group, n = 15 ), PE-complicated cases ( PE group, n = 15 ) and simple cases (simple group, n= 11 ). Their clinical manifestation, laboratory findings, and immunophenotypes of peripheral blood lymphocyte were analyzed to find predictors associated with disease progression and unfavorable outcomes. Results The mortality rate in PE group was 66.7%, which was significantly higher than that in encephalitis group. Ninty-three point three percent cases in PE group and encephalitis group were younger than 3 years old, with statistic difference compared to simple group. Patients in PE group had higher total blood white cell (WBC) counts and higher absolute neutrophil counts and tended to have higher breathing rate, heart i'ate and glucose level than encephalitis group. The percentages of T cells and natural killer (NK) cells were significantly lower among patients complicated with encephalitis than simple HFMD patients.Conclusions PE is one predictor for poor prognosis. Factors correlated with unfavorable outcome include high WBC, high absolute neutrophil counts; elevated breathing rate, heart rate and glucose level. The immunophenotypes of peripheral blood lymphocytes can also predict the disease progression.
4.Distribution features of wild feces in schistosomiasis endemic areas in Jian-gling County,Hubei Province
Xia ZHANG ; Jingbo XUE ; Hehua HU ; Xiong LIU ; Caixia CUI ; Xiaohong WEN ; Xiaoping XIE ; Weirong ZHANG ; Rong TIAN ; Lichun DONG ; Chunli CAO ; Shizhu LI ; Yibiao ZHOU
Chinese Journal of Schistosomiasis Control 2017;29(3):294-299
Objective To understand the spatial distribution characteristics of wild feces in schistosomiasis endemic areas of Jiangling County,Hubei Province and further explore the source of infection efficiently,so as to provide the evidence for the development of corresponding monitoring and response technology. Methods In 2011,the fresh wild feces were investigated every two months in the selected 15 villages by the severity of historical endemic in Jiangling County. The schistosome miracidi-um hatching method was used to test the schistosome infection of the wild feces. The descriptive analysis and spatial analysis were used for the description of the spatial distribution of the wild feces. Results Totally 701 wild feces samples were collected with the average density of 0.0556/100 m2,and the positive rate of the wild feces was 11.70%(82/701). The results of the re-gression analysis showed a positive spatial correlation between the positive rate of wild feces and the rate of human infection,the area with infected Oncomelania hupensis and the number of fenced cattle,and the corrected R2 of the model was 0.58. Conclu-sion The infection rate of wild feces is positively correlated with the rate of human infection,area with infected O. hupensis and number of fenced cattle in space in Jiangling County,so the prevention and control measures could be conducted according to the spatial distribution of the positive wild feces.
5.Study on Chemical Constituents of Ethanol Extract from Yao Medicine Cissampelopsis spelaeicola
Shuang LIANG ; Wenfang MA ; Kewen LIANG ; Lichun ZHAO ; Gang DENG ; Dongyang XIE
China Pharmacy 2019;30(20):2835-2839
OBJECTIVE: To study the chemical constituents of ethanol extract from Yao medicine Cissampelopsis spelaeicola. METHODS: The petroleum ether, ethyl acetate and n-butanol fraction from 75% ethanol extract of C. spelaeicola were isolated and purified by silica gel, SephadexLH-20 gel column and AB-8 macroporous resin column, etc. The structures of the compounds were analyzed and identified by physicochemical properties and spectral data (mass spectrometry, hydrogen spectrum, carbon spectrum). RESULTS & CONCLUSIONS: Twelve compounds were isolated and identified from 75% ethanol extract of C. spelaeicola. β-sitosterol(Ⅰ) and Stigmasterol(Ⅱ) were isolated from petroleum ether fraction; p-hydroxybenzoic acid(Ⅲ), β-daucossterol(Ⅳ), protocatechuic acid(Ⅴ), 6β-hydroxyeremophi-7(11)-en-12,8β-olide(Ⅵ), 10β-hydroxyeremophil-7(11)-en-8,12-olide(Ⅶ), 10β-hydroxyeremophi-7(11),8(9)-dien-8,12-olide(Ⅷ), Quercetin(Ⅸ), Hyperin(Ⅹ) and 4α-hydroxy- eudesman-11-ene(Ⅺ) were isolated from ethyl acetate fraction; quercetin-3-O-robinobioside(Ⅻ) was isolated from n-butanol fraction. Compounds Ⅰ-Ⅻ are isolated from C. spelaeicola for the first time. The study can lay material foundation for activity stady of C. spelaeicola.
6.Optimization of the Extraction Technology of Zhideke Granules
Jie LIANG ; Huihua CHEN ; Hui XU ; Tanfang XIE ; Jing QI ; Chenxi XIN ; Rilan CHEN ; Lichun ZHAO
China Pharmacy 2021;32(7):832-838
OBJECTIVE:To optimize the extraction technology of Zhideke granules. ME THODS:The extraction technology (water extraction ,alcohol extraction ,water extraction and ethanol precipitation )of Zhideke granules was initially screened by ammonia-induced cough experiment and xylene-induced ear swelling experiment in mice. Based on its preparation route ,the immersion time of medicinal materials containing volatile oil was investigated with water absorption as index firstly. The single factor test was adopted to investigate the amount of water added and the extraction time taking the volatile oil yield as index to optimize the extraction technology of medicinal materials containing volatile oil. Taking the contents of irisflorentin and total flavonoids as indicators ,on the basis of single factor investigation ,orthogonal test was adopted to examine the influence of three factors including the amount of water added ,extraction time and extraction frequency ,so as to optimize the water extraction technology of Zhideke granules and the validation tests were conducted. RESULTS :The results of pharmacodynamics experiment showed that the cough latency of mice in water extract low-dose and high-dose groups (6.34,12.68 g/kg,by crude drug )and water-extraction alcohol-precipitation extract high-dose group (12.68 g/kg,by crude drug )were significantly longer than those inmodel group ,and the number of cough within 2 minutes was significantly reduced (P<0.05 or P<0.01). Compared with model group , the ear swelling of mice in water extract low-dose and high-dose groups (6.34,12.68 g/kg,by crude drug),ethanol extract high-dose group (12.68 g/kg,by crude drug) and water-extraction alcohol-precipitation extract hig dose group (12.68 g/kg,by crude drug ) were decreased significantly (P<0.05 or P<0.01). The swelling inhibition rates were 42.26%,55.08%,33.49%,51.56%,39.57% and 44.36% in low-dose and high-dose groups of water extract ,alcohol extract , water-extraction and alcohol-precipitation extract respectively ,indicating that the water extract had better antitussive and anti-inflammatory effects. The optimal extraction technology of volatile oil was adding 5-fold water ,soaking for 30 minutes,and extracting for 3 hours. The optimal water extraction technology was adding 12-fold water ,extracting for 3 times after soaked for 50 min,lasting for 1 h each time. Results of 3 times of validation tests showed that average content of irisflorentin in the extract obtained by optimal technology was 76.47 μg/g(RSD= 2.15%,n=3)and the average content of total flavonoids was 92.45 mg/g(RSD=0.48%,n=3). CONCLUSIONS :The optimal extraction technology of Zhideke granules is stable and feasible.
7.Study on metabolites derived from Zhideke granules in rats in vivo
Jie LIANG ; Piaoxue ZHENG ; Huihua CHEN ; Chunyan HUANG ; Yanli LIANG ; Chunlian LU ; Jingjing XIE ; Yuming MA ; Jiawen PENG ; Lichun ZHAO ; Rilan CHEN
China Pharmacy 2024;35(2):172-178
OBJECTIVE To analyze the metabolites of Zhideke granules and speculate its metabolic pathway in rats in vivo. METHODS Male SD rats were randomly divided into blank group and administration group (Zhideke granules, 9.45 g/kg); they were given ultrapure water or relevant medicine, twice a day, every 6-8 h, for 3 consecutive days. Serum, urine and feces samples of rats were collected, and their metabolites were identified by UPLC-Q-Exactive-MS technique after intragastric administration of Zhideke granules; their metabolic pathways were speculated. RESULTS After intragastric administration of Zhideke granules, 16 prototype components (i.g. irisflorentin, baicalin, chlorogenic acid) and 11 metabolites (i.g. hydration products of kaempferol or luteolin, methylation products of chlorogenic acid, and hydroxylation products of baicalin) were identified in serum, urine and feces of rats. Among them, 8 prototype components and 4 metabolites were identified in serum samples; 10 prototype components and 7 metabolites were identified in urine samples; 8 prototype components and 5 metabolites were identified in the fecal samples. CONCLUSIONS The metabolites of Zhideke granules in rats mainly include baicalin, irisflorentin,chlorogenic acid, and the main metabolic pathways included methylation, hydroxylation, glucuronidation.