1.The training of hospital digital management procession and principle of teaching
Haiyan XIN ; Mingxia KONG ; Yuanqing MIAO
Chinese Journal of Medical Education Research 2006;0(11):-
According to the training of all levels and all kinds of personnel during our hospital's digital construction and implementation process,this article discussed the training char-acteristic of computer skill and the teaching principle for doctors and nurses
2.Application of Group Teaching in Rehabilitation Nursing
Hongwei XU ; Zhimei JIANG ; Xiangying KONG ; Yinping SONG ; Mingxia JIANG
Chinese Journal of Rehabilitation Theory and Practice 2012;18(6):599-600
Objective To investigate the effects of group teaching in rehabilitation nursing. Methods 55 nursing students were dividedinto control group and experiment group. The control group received traditional teaching and the experiment group received group teaching.Questionnaire and examination performance were used to evaluate the effects of group teaching in the teaching of rehabilitation nursing. ResultsThe scores were significantly higher in the experiment group than in the control group (P<0.01). The questionnaire showed that groupteaching can stimulate their interest and intrinsic motivation for learning, enhance their understanding and application of knowledge, cultivatetheir self-learning ability, analysis and problem-solving abilities, interpersonal communication skills and spirit of collaboration. At thesame time, the implementation of group teaching helps both teaching and learning. Conclusion Group teaching can improve the teaching effectivenessof rehabilitation nursing.
3.Clinical characteristics of long-term oxygen dependent neonates
Qiuping LI ; Xiangyong KONG ; Xiaojuan YIN ; Zizhen WANG ; Mingxia SHANG ; Li ZHOU ; Jing XU ; Zhichun FENG
Chinese Pediatric Emergency Medicine 2012;19(2):139-143
Objective To investigate the situation of oxygen supplement and the incidence and clinical characteristics of long-term oxygen inhalation newborns in neonatal intensive care unit(NICU).Methods The records of oxygen supplement and the related clinical data of 12 155 neonates admitted in our NICU from Oct 2009 to May 2011 were collected and retrospectively analyzed.The results were compared with the data from a survey on 19 hospitals in China which reported by other authors.Results In 12 155 newborns,4 951 were full term,7 204 were preterm.One hundred and two patients (0.84%,102/12 155 ) accepted oxygen for more than 28 days.Among them,88 were preterm,14 were full term,with the average gestational age (31.16 ±3.70) weeks,the average birth weight (1.60 ±0.68) kg and the mean oxygen supplement period (40.60 ± 12.25) d.Finally,98 were cured or improved,4 died.The incidence of bronchopulmonary dysplasia (BPD) in 7 204 preterm infants was 1.22% ( 88/7 204) according to the standard of continuous oxygen supply more than 28 days after birth.The incidence of BPD in preterm infants less than 32 weeks was 4.92% (68/1 381 ) according to the standard of continuous oxygen supply more than 28 days after birth,while the rate was only 2.10% (29/1 381 ) according to the standard of continuous oxygen supply more than 36 weeks postmenstrual age.The rates of BPD according to the two different standards were significantly different ( x2 =16.251,P <0.001 ).There were significant differences in the rate of supply oxygen( x2 =119.99) and supply oxygen time( F =109.27 ) among different gestational age groups in overall the 5 499 neonates ( P <0.001 ),but no significant differences in the average time of oxygen supply and mechanical ventilation among different gestational age groups in infants with long-term oxygen dependence ( P > 0.05 ).There were significant differences in rates of pulmonary surfactant therapy,heart failure,retinopathy of prematurity,congenital heart disease,other congenital malformation and mortality among different gestational age groups in long-term oxygen dependence infants (x2 =8.789,13.538,23.176,7.778,8.842,8.246,P < 0.05 ).As compared with the data from 19 hospitals,the corrected rate of long-term oxygen supplement in preterm infants in our hospital was obviously lower[0.99% (71/7204) vsl.54% (190/12 351),P <0.001].Conclusion Theincidence of BPD in our NICU is low.Lower gestational age,immature lung and secondary lung injury may be the mainly cause of neonatal long-term oxygen dependence,but some factors such as congenital heart disease,congenital malformations should be considered in more mature infants.The most appropriate standard for BPD still remains to be discussed.
4.PI3K/Akt pathway involves in regulating of hypoxia-inducible factor-1α expression in the hippocampus of developing rats after status epilepticus
Yanran KONG ; Baoqiang YUAN ; Shiguang HUO ; Mingxia SUN ; Ya'nan ZHANG
Chinese Journal of Neuromedicine 2014;13(2):131-137
Objective To investigate the correlation between hypoxia-inducible factor-1α (HIF-1α) expression and activation of phosphatidyl inositol 3-kinase and serine/threonine kinase signal pathway in the hippocampus of developing rats after status epilepticus (SE).Methods Fifty-four SD rats aged 21 days were randomly divided into control group (n=24),SE group (n=24),wortmannin treatment group (n=6); SE rat models of the SE group were induced by intraperitoneal injection of 1% 1,5-Pentamethylenetetrazole (PTZ); rats of the control group received injection of normal saline (NS); for wortmannin treatmnet group,the rats received intraperitoneal injection ofwortmannin 30 minutes before the inducement; the brain tissues were harvested from the rats at 1,4,8 and 24 h after the inducement,but only at 4 h in the wortmannin treatment group.The HIF-1α and Akt positive cells were detected with irnmunohistochemistry method.HIF-1α,Akt and p-Akt protein expressions were measured by Western blotting.Results In SE group,the HIF-1α expression began to occur at 1 h,significantly increased at 4 h after inducement,reached the peak level at 8 h,and began to decrease at 24 h; Akt protein positive cells showed no significant difference between each two time points; the p-Akt protein was significantly increased at 1 h,reached the peak level at 4 h and began to decrease at 8 h.However,the expression levels of HIF-1α and p-Akt protein in the control group were extremely low at each time point.So,the HIF-1α expression level in the SE vehicle group was significantly higher than that in the control group (P<0.05); the p-Akt protein expression in SE group at 1,4 and 8 h was significantly higher than that in the control group (P<0.05).The changes of Akt protein in the SE group were not time-dependent,and no significant difference was evident when it was compared with that of the control group (P>0.05).Using wortmannin,the PI3K/Akt specific inhibitor,HIF-lα protein expression was significantly decreased when it was compared with the SE vehicle group (P<0.05).Conclusion After status epilepticus in the developing rats,the PI3K/Akt signaling pathway is activated and the pathway involves in regulating the HIF-1α expression.
5. Effect and molecular mechanism research of Astragalus membranaceus on inhibiting intestinal absorption of six alkaloids of Aconitum carmichaelii in spleen deficiency rats
Xulong CHEN ; Xinli LIANG ; Xiaoqiang KONG ; Miaomiao JI ; Abid NAEEM ; Hao ZHENG ; Mingxia GAO ; Zhenggen LIAO ; Xulong CHEN ; Cheng LI
Chinese Herbal Medicines 2022;14(1):117-124
Objective: To investigate the effect and the mechanism of Astragalus membranaceus (Huangqi in Chinese, HQ) extract on the intestinal absorption of six alkaloids of Aconitum carmichaelii (Fuzi in Chinese, FZ) in rats with spleen deficiency and provide novel insights into the application of HQ on modulating intestinal barrier. Methods: Four-week-old male Sprague-Dawley rats were fed with Xiaochengqi Decoction to induce the spleen deficiency model for 40 d. Single-pass intestinal perfusion model were used to study the effects of HQ extract on the absorption of alkaloids. Protein expression and mRNA levels of MRP2 and BCRP and tight junction proteins (TJ, including Claudin-1, Occludin and ZO-1) were measured using Western blot and real-time PCR, respectively. The location and expression of TJ protein was also investigated by the immunofluorescence method. Results: Compared with the normal group, the protein expression of MRP2, BCRP and TJ proteins in the model group were significantly down-regulated. After oral administration of HQ, the alkaloid absorption in intestinal villi was inhibited, MRP2, BCRP and TJ proteins were up-regulated, the green fluorescence staining of Claudin-1, Occludin, and ZO-1 was enhanced, and a thick layer of mucus was deposited on the surface of the epithelium of the intestinal cavity. Conclusion: HQ as an intestinal barrier modulator improves the physiological changes of the intestinal environment of spleen deficiency to reduce the absorption of toxic components, leading to a decrease in the absorption of drug-like molecules.
6.SHP2 inhibition triggers anti-tumor immunity and synergizes with PD-1 blockade.
Mingxia ZHAO ; Wenjie GUO ; Yuanyuan WU ; Chenxi YANG ; Liang ZHONG ; Guoliang DENG ; Yuyu ZHU ; Wen LIU ; Yanhong GU ; Yin LU ; Lingdong KONG ; Xiangbao MENG ; Qiang XU ; Yang SUN
Acta Pharmaceutica Sinica B 2019;9(2):304-315
Tyrosine phosphatase SHP2 is a promising drug target in cancer immunotherapy due to its bidirectional role in both tumor growth promotion and T-cell inactivation. Its allosteric inhibitor SHP099 is known to inhibit cancer cell growth both and . However, whether SHP099-mediated SHP2 inhibition retards tumor growth anti-tumor immunity remains elusive. To address this, a CT-26 colon cancer xenograft model was established in mice since this cell line is insensitive to SHP099. Consequently, SHP099 minimally affected CT-26 tumor growth in immuno-deficient nude mice, but significantly decreased the tumor burden in CT-26 tumor-bearing mice with intact immune system. SHP099 augmented anti-tumor immunity, as shown by the elevated proportion of CD8IFN- T cells and the upregulation of cytotoxic T-cell related genes including , which decreased the tumor load. In addition, tumor growth in mice with SHP2-deficient T-cells was markedly slowed down because of enhanced anti-tumor responses. Finally, the combination of SHP099 and anti-PD-1 antibody showed a higher therapeutic efficacy than either monotherapy in controlling tumor growth in two colon cancer xenograft models, indicating that these agents complement each other. Our study suggests that SHP2 inhibitor SHP099 is a promising candidate drug for cancer immunotherapy.