Objective To explore the expression of Bcl-2 and calretinin(CR)in enteric ganglion cells in different developmental conditions and its significance.Methods The immunohistochemical staining was carried out to detect the expression of Bcl-2 and CR in enteric ganglion cells at different intestinal segments from tissue samples of 40 hirschsprung disease(HD) cases(age,26 d to 12 years old),10 Hirschsprung's allied disease(HAD) cases and 10 normal controls.Results In immature ganglion cells,there was a strong expression of Bcl-2,and no positive to or poor expression of CR.In mature ganglion cells,there was a strong expression of CR but no positive Bcl-2 staining.Conclusion The specific expression of Bcl-2 and CR may play an essential role in judging if the ganglion cells are mature.Bcl-2 might be of importance in the maintenance and restore of the fuction of enteric immature ganglion cells.

Acupressure ; Acupuncture Points ; Child ; Child, Preschool ; Enuresis ; physiopathology ; therapy ; Female ; Humans ; Male ; Treatment Outcome ; Urination

Objective To study the role of Schwann cells apoptosis in the pathogenesis of experimental autoimmune neuritis(EAN) in TNF receptor Ⅰ knock out(TNFR Ⅰ-/-)mice.Methods For induction of EAN,TNFRⅠ-/- and wild type C57BL/6 mice were immunized by subcutaneous injection into the back with the peripheral nerve P0 protein peptide 180-199;clinical scores of EAN were assessed and scored immediately before immunization(day 0) and thereafter every other day until day 46 post immunization(p.i.).On day 22 p.i.,Schwann cells were collected from the two groups and cultivated in vitro.The expressions of Fas and Annexin-Ⅴ(Annexin-Ⅴ+/PI-)on Schwann cells from TNFRⅠ-/-and wild type EAN were detected by flow cytometry.Results More light clinical signs of EAN were observed in the TNFRⅠ-/-mice(1.50?0.19) than in wild type mice(1.90?0.16);the percentage of Fas expression on Schwann cells was significantly decreased in TNFRⅠ-/-mice(88.03%?1.40%)as compared with wild type mice(94.70%?1.53%)(P

Objective Study the effect of transvaginal bitths in term pregnant women with less amniotic fluid B-mode ultrasonography suggested on neonatal and find the correct approach. Methods The maternity outcome of 166 pregnant women with less amniotic B-mode ultrasonography suggested fluid was compared with that of 187 term pregnant women with normal amniotic fluid.Results There was no significant difference on severe meconium stained amniotic fluid and the rate of neonatal asphyxin between two groups.Conclusion Transvaginal biths can be tried in term pregnant women with less amniotic fluid B-mode ultrasonography suggested under the intensive care.

This article introduced five cases of professor JIANG Jian using later generation's prescriptions of Qingwei Shegan Tang,Qingkong Gao,Xietong Shen Fang,Jianbei Jingutong Fang,Juantong San,Juhe Wan,and Shen xiao Gualou San to treat pain syndrome of gastralgia,hypochondriac pain,headache,backache,and breast-ache. During the treatment of pain syndrome,professor JIANG Jian’ clinical experience by using later generation's prescriptions was extraordinary,deserved to learn an reference.

A method for the determination of Pt、Pd、Ru、Rh 、Ir and Au in geological samples was studied. The sample was fused by sodium pe roxide and determined by a double focusing high resolution inductively coupled p lasma mass spectrometer “ELEMENT” after the separation and enrichment by co-precipitation with Te. Detection limit of the method was between 1～9ng/g and the recovery was ＞90%. Our analytical results for some domestic or interna tional reference materials were in agreement with the certified values.

Objective To study the current situation of diagnosis and treatment of rudimentary uterine horn pregnancy through 4-cases report. Methods We made a clinical study of 4 cases of rudimentary uterine horn pregnancy admitted to our hospital between 1995 and 2005. Results Three patients had been undergone artificial abortion before they were admitted to our hospital. All the patients were asymptomatic. Ultrasonography was made in 3 cases. Two cases were diagnosed as rudimentary uterine horn pregnancy. Three patients were cured with surgery. Conclusions Rudimentary uterine horn pregnancy is rare and with atypical clinical manifestation in the first trimester. Although diagnosis before surgery is difficult, ultrasonography and MRI make a great role. Surgery is the most important therapeutic method.

A simple thin layer chromatography ultraviolet densitometric method has been established for the separation and quantitative determination of Puerarin in plasma. Using ethyl acetate : metha-nol: water : toluene : absolute alcohol ( 100 : 15.5: 13.5: 2 :13.5 V/V ) as the developing system, 5?l supernatant of the sample extracts were spotted on high performance sillica gel G glass plates and developed. The separeted spots were scanned using Shimadzu CS-910 TLC scanner, the results were calculated by the areas of spots with Rf 0.47. The mininum detectable quantity of Puerarin was 7.5ng/spot. The plasma concentration-time curve of Puerarin in rabbits after single iv 30mg/kg was best fitted to a two- compartments open model. The T1/2? , T1/2? (3 were 5.7, 27.5 min respectively. This showed that Puerarin is distributed and eliminated in a fairly rapid rate in rabbits.

Recent developments on separation and analysis of bacterial cells by capillary electrophoresis are reviewed. Based on bacterial surface characterization, capillary electrophoresis technique can be utilized for rapidly identify and quantify intact bacteria and microbes at a certain phase. The microbe-molecule interactions can also be described. The separation of microbes that can not be cultured in lab appears to be possible by this method. It makes profound effects on separation science and microbiology to establish capillary electrophoresis procedure for the separation and analysis of bacterial cells.

Laboratory animal industry forms an independent, comprehensive system responsible for the production, use and management of laboratory animals.Great advances have been made in this field in China over the more than thirty years of development.However, due to the great development and changes during this long time, there are also some issues which need to be amended and changed.To compare the concepts of experimental animals in China and developed countries such as USA.The key concepts on the laboratory animals are not well or clearly defined in the regulatory documents in China, which hinder the healthy development and effective regulation in this field, as well as the care and use of laboratory animals in research and education.In this article, we discuss the necessity of timely amendment and standardization of the key concepts and definitions related to laboratory animals, and the importance and impact of the key concepts on the development of animal industry in China.