microRNA (miRNA) is a kind of 18 to 25 nucleotide non coding RNAs,which plays an important role in various ways.The abnormal miRNA expression patterns lead to many diseases of hematopoietic system.Myelodysplasitc syndromes (MDS) comprise a heterogeneous group of disorders characterized by ineffective hematopoiesis,bone marrow dysplasia and variable propensity of transformation to acute myeloid leukemia (AML).20 ％-30 ％ MDS patients may progress to AML.miRNA plays a key role in the develpoment,advance and prognosis of MDS.In this paper,the related miRNAs in the transformation from MDS into AML were reviewed.

Objective To investigate the eomman causes of premature delivery,the tocolytic effect and suc-cess ratio and the birth situation of premature infants. Methods 150 pregnant women with natural delivery or iatro-genie preterm labor from 28 weeks to 34 weeks who carried out tocolytic therapy because of threatened preterm labor or premature delivery after tocolytic therapy were selected. The common inducement of premature delivery, the pro-longed gestational weeks, the success ratio of tocolyis and the birth situation of premature infants were retrospectively analyzed. Results The premature rupture of membranes(PROM) ,the spontaneous uterine contraction and iatrogenic preterm labor were the main reasons of premature labor. The primiparas are the majority. The iatrogenic partus pre-maturus were prolonged, the asphyxia rate of premature infants was still high. The incidence of premature rupture of fe-tal menbranes in pregnant with tocolytic therapy beyond 1 week was 3. 3% ,and the incidence of spontaneous urerine contraction was 4. 8%. Conclusion Antenatal care and prenatal diagnosis are important to decrease the premature labor ratio as early as possible to use the D. X. M to promote the fetal lung maturity, so as not to delay the treatment.

Objective To investigate the significance and possible mechanism of food intolerance in diarrhea-predominant irritable bowel syndrome (IBS-D).Methods Twenty-seven IBS-D patients matched the Rome Ⅲ criteria were selected as IBS-D group.Twenty-seven healthy individuals without gastrointestinal symptoms were assigned to control group.Food intolerance situation of two groups were analyzed with food intolerance status evaluation questionnaire,and detection of 14 food specific IgG antibody.The severity of IBS symptoms of IBS-D group were scored by IBS-symptom severity scale (SSS).Two pieces of mucosal tissues of both ileocecal junction and sigmoid colon were obtained under colonoscopy.The content of mucosal substance P (SP) was determined by immunohistochemistry.The quantity of mast cells were detected by Giemsa staining.Chi square test and Fisher exact probability method were performed for rate comparison between two groups.Measurement data were compared with t test and Mann-Whitney rank sum test.The correlation between IBS-SSS score and mast cells and the expression of SP positive cells were analyzed by Spearman rank correlation analysis.Results There was no statistically significant difference in positive rates of food specific IgG between two groups (x2 =3.085,P=0.389),however according to food intolerance status evaluation questionnaire,the incidence of food intolerance of IBS-D group was 44.4 ％ (12/27) which was higher than that of control group (14.8 ％,4/ 27),the difference was statistically (x2 =5.684,P=0.017).Food intolerance severity index of IBS-D group (median:0(0,60)) was higher than that of control group (median:0(0,0)),and the difference was statistically significant (U=239.50,P =0.007).In foods that may cause intolerance,the percentage of foods rich in fermentable oligosaccharides and monosaccharides,disaccharides and polyol (FODMAP) such as milk,noodles,soybeans was up to 71.4％ (30/42).The expression tates of SP positive cells in the mucosa of ileocecal junction and sigmoid colon of patients with IBS-D were higher than those of the control group (x2-20.735 and 22.071,both P＜0.01).The numbers of mast cell in the mucosa of ileocecal junction and sigmoid colonic of patients with IBS D (2.40 ± 1.04/high power field (HPF) and 2.35±1.11/HPF) were more than those of the control group (0.97 ± 0.70/HPF and 0.89 ± 0.72/HPF),and the difference was statistically significant (t=-5.850 and-5.629,both P＜0.01).The severity of bowel symptom of patients with IBS-D was moderately correlated with the number of mast cells in the mucosa of sigmoid colon (r=0.576,P=0.002),and was moderately correlated with the expression of SP positive cells (r=0.691,P＜0.01).Conclusions There may be relation ship among low-grade inflammation of intestinal mucosa,food intolerance and severity of intestinal symptoms in patients with IBS-D.

A realizaton project of electrical stimulator aimed at motor dysfunction of stroke is proposed in this paper. Based on neurophysiological biofeedback, this system, using an ARM9 S3C2440 as the core processor, integrates collection and display of surface electromyography (sEMG) signal, as well as neuromuscular electrical stimulation (NMES) into one system. By embedding Linux system, the project is able to use Qt/Embedded as a graphical interface design tool to accomplish the design of stroke rehabilitation apparatus. Experiments showed that this system worked well.
Biofeedback, Psychology ; Computers ; Electric Stimulation Therapy ; instrumentation ; Electromyography ; Equipment Design ; Humans ; Software ; Stroke Rehabilitation

Objective To explore the application of 2010 edition cardiopulmonary resuscitation clinical nursing teaching pathway combined with OSCE mode in teaching and assessment,and improve clinical emergency response capabilities.Methods 99 target school undergraduate nursing students were selected as research objects,and were randomly divided into the traditional group (50 students) and the combination group(49 students).The traditional group adopted the traditional CPR teaching and assessment methods,the combination group took the 2010 version of CPR pathway and OSCE clinical nursing teaching mo de.The mastery of CPR was compared between two groups.Results The mastery of cardiopulmonary resuscitation skills of the combination group was significantly better than that of the traditional group.Conclusions Implementation of the combination of 2010 version of the CPR and the OSCE clinical nursing teaching pathway mode can effectively promote the mastery of CPR skills by students,effectively improve the first-aid skills and adaptability of students.

Objective To observe the clinical efficacy and adverse reactions of desogestrel ethinylestradiol in the treatment of dysfunctional uterine bleeding ( adolescent Dub ) .Methods 86 cases with adolescent functional bleeding were divided into the treatment group and control group ,43 cases in each group .The control group received conjugated estrogen(Premarin) treatment,the treatment group was given desogestrel ethinylestradiol treatment .The hemostatic effect and drug adverse reaction of the two groups were observed .Results The cure rate of the treatment group was 65.1%,that in the control group was 23.3%,there was significant difference between the two groups (χ2 =15.28,P<0.01).The hemostatic time of the treatment group was (33.24 ±12.85)h,which was shorter than (50.31 ± 16.32)h of the control group (t=5.39,P<0.05).The incidence rate of adverse reactions between the two groups had no significant difference (χ2 =0.49,P>0.05).Conclusion Desogestrel ethinylestradiol in the treatment of ado-lescent functional bleeding has exact curative effect ,it has low incidence of adverse reactions and better acceptance .

Objective To discuss the similarities and differences of clinical manifestation and pathological characteristics in hepatitis B virus related membranous nephropathy (HBV-MN) between children and adult. Methods Ninety cases with HBV-MN were divided into two groups according to the age:children group (33 cases) and adult group (57 cases). A retrospective control study was carried out to analyze the clinical and pathological features of the two groups. Results The incidence of anemia in children group was 45.45% ( 15/33 ), which was significantly higher than that in adult group [15.79% (9/57)](P ＜ 0.01). Nephrotic syndrome was the largest proportion in two groups,but there was no significant difference in the composition of clinical manifestations between two groups (P ＞0.05). Membranous nephropathy Ⅱ was common in pathological stage in two groups. The incidence of membranous nephropathy Ⅱ in children group was 63.64% (21/33),which was significantly higher than that in adult group [42.11%(24/57)] (P ＜ 0.05 );immunohistochemistry showed "all bright", and the deposition of HBcAg in renal biopsy was also higher than that in adult group (P ＜ 0.05). Conclusion There are some similarities and differences in HBV-MN between children and adult patients,and these will help to improve the levels of diagnosis and treatment.

Objective To evaluate application of fist clenching method with shaking hands in venipuncture to elderly angular patients. Methods 360 elderly angular patients were randomly divided into group A and group B with 180 cases in each group. Group A used fist clenching method with shaking hands, group B adopted traditional fist clenching method in venipuncture. Pain degree and one-time success rate of two groups were compared. Results One-time success rate of group A in venipuncture was obviously higher than group B, while pain degree of group A was less than group B. Conclusions Fist clenching method with shaking hands to elderly angular patients can raise success rate in venipuncture, and reduce pain degree of patients.

Objective To investigate the effects of granulocyte colony-stimulating factor on proliferation of adipose-derived adult stromal cells(ADASc) in rats. Methods Sixteen SD rats were randomly divided into G-CSF group( n = 8) and control group( n = 8). The rats were subjected to subcutaneous injections of G-CSF at a dose of The ADASc were separated and cultured. Then: ( 1 ) The surface antigens of the ADASc were analyzed by flow cy- tometry. (2)The growth information of the ADASc were observed in vitro. (3)The generation cycle of the ADASc were investigated with the flow cytometry. Results ( 1 ) Flow cytometic detection of ADASe surface marks showed CD44+CD105-CD31-CD45-(2)The doubling generation time, the maximum proliferation multiple and the cell cycle distri- bution of ADASc in G-CSF group had significant difference from that of the control group. Conclusion The discrep- ancy adherence was a practical method to culture the ADASc;G-CSF treatment could promote ADASc re-entering into cell cycle.

Objective: To demonstrate the influence of HMGB34367,a subfamily member of the high-mobility group protein B1(HMGB1),as a transcriptional factor of the ?-SMA gene expression.Methods: We cloned HMGB34367 cDNA from the fibrotic lung tissue of the Balb/C mouse treated with BLM by RT-PCR,sub-cloned it into a eukaryotic expression vector pcDNA 3.0 or pEGF-N2,and constructed a report plasmid,pDsRed-SMA,encoding red fluorescence(RFP) driven by ?-SMA promoter.Following the co-transfection of pDsRed-SMA and HMGB34367-pcDNA3.0/ pEGF-N2-HMGB34367 in the cultured 16HBE cells,we tested the expression of the RFP in the absence and presence of TGF?1 by fluorescence microscopy.After the transfection of HMGB34367-pcDNA3.0,the nucleus extracts from the transfected cells were subjected to electrophoretic mobility shift assay(EMSA) for the detection of the binding activity of HMGB34367 with ?-SMA promoter CarGB motif.RT-PCR was performed for the evaluation of the ?-SMA gene expression in the cells.Results: The over expression of HMGB34367 activated the ?-SMA promoter and enhances the expression of the ?-SMA gene.An increased binding activity of HMGB34367 with CarGB motif was detected by EMSA in the transfected cells.Conclusion:HMGB34367,a member of HMGB1 family,could act as a transcription factor for the transcriptional activation of the ?-SMA gene,which may play an important role in the development of lung fibrosis.