Objective To evaluate therapeutic effects of ganciclovir on neonatal congenital CMV infection.Methods 40 cases of neonatal congenital CMV infection was divided into experimental group with ganciclovir(n=18) and control group with general treatment(n=22).The patients of experimental group were treated with higher dosage of ganciclovir:induced treatment 7 5mg/kg,intravenous drip every 12 hours,continous using for 14 days,then maintenance treatment,10mg/kg intravenous drip every day,for 3-day every week,maintenance treatment 2～3months.The patients of control group was treated with routine mehtod.Later on clinical situation,laboratory examination and virology result were compared in the two groups.Result There were significantly differences of clinical situation,laboratory examination and virology test result between posttreatment and pretreatment in experimental group(P0 05).Conclusions Using higher dosage,full course ganciclovir treating neonatal congenital CMV infection have remarkably efficacy in early the disease at the onset,so can be widespread in clinical practice.

Infection by the human immunodeficiency virus (HIV) is characterized by a progressive depletion of CD4 T lymphocytes, which leads to dysfunction of the immune system. Although a variety of mechanisms may contribute to the gradual T cell decline that occurs in HIV-infected patients, abnormal apoptosis of infected or bystander T lymphocytes is an important event leading to immunodeficiency. The HIV envelope glycoprotein plays a crucial role in HIV associated apoptosis through both death receptor-mediated and mitochondria-dependent pathways. This review summarizes current knowledge of Env-mediated T lymphocyte apoptosis.

Objective: To investigate the effect of hydrogen sulifde (H2S) on the expression of CSE, NF-κB, and IL-8 mRNA in GES-1 cells withHelicobacter pylori (H. pylori) infection and to explore its mechanism on gastric mucosa inlfammation caused byH. pylori.
Methods: GES-1 cells were cultured for 24 h and divided into a control group (neitherH. pylori nor NaHS), anH. pylori group, a NaHS group (which was further divided into 4 groups at 50, 100, 200, or 400 μmol/L NaHS), andH. pylori + NaHS group (which was further divided into 4 groups at 50, 100, 200, or 400 μmol/L NaHS). Each group was then cultured for 3, 6, or 12 h. The expression of CSE, NF-κB, and IL-8 mRNA was measured by RT-PCR, and their correlation was analyzed. Results: The expression of CSE, NF-κB, and IL-8 mRNA in GES-1 cells in theH. pylori group was higher than that in the control group. The expression of CSE in the 200 μmol/L NaHS group and 400 μmol/L NaHS group was lower than that of the control group (P<0.05), whereas the expression of NF-κB and IL-8 in all NaHS groups had no statistical differences compared with the control group (P>0.05). The expression of CSE, NF-κB, and IL-8 mRNA in all groups of NaHS,H. pylori + 200 μmol/L NaHS group, andH. pylori + 400 μmol/L NaHS group was lower than that in theH. pylori group (P<0.05). There was positive correlation among the expressions of CSE, NF-κB, and IL-8 mRNA in theH. pylori group, theH. pylori + 200 μmol/L NaHS group, and theH. pylori +400 μmol/L NaHS group (P<0.05).
Conclusion:H. pylori can induce NF-κB and IL-8 mRNA expression and upregulate CSE mRNA expression. At 200 and 400 μmol/L, NaHS can suppressH. pylori-induced NF-κB and IL-8 mRNA expression and ameliorate the morphology ofH. pylori-induced GES-1 injury, which may protect gastric epithelial cells byH. pylori infection.

Objective To explore the application and efficacy of laparoscopic radical operation for rectal cancer after preoperative short-time radiotherapy.Methods The clinical data of 108 patients with Dukes B and C rectal cancer were analyzed retrospectively.Thirty-five patients underwent laparoscopic radical operation after preoperative short-time radiotherapy,meanwhile 30 patients underwent laparoscopic radical operation,and 43 patients underwent open operation,both later groups without preoperative radiotherapy.Results There were not significant differences in preoperative general condition,tumor size and stage,pathological type,site of operation,and mode of operation between the 3 groups.But there was a higher rate of radical resection and sphincter preservation in the laparoscopic operation plus radiotherapy group than in the other groups(P

AIM: To determine the topographic and spactial changes of endothelin-1 (ET-1) mRNA in cords after spinal cord injury(SCI). METHODS: A SCI model of the rat was made by modified Allen's weight drop method(50g-cm). ET-1 mRNA in the spinal cords before and after injury was examined by in situ hybridization and the content of ET-1 mRNA was determined by semi-quantitative image pattern analysis. RESULIS: Compared with control, the ET-1 mRNA positive neurons, glial cells and endothelial cells increased and the positive signal enhanced in the adjacent cord of the contused region. There was also a significant increase in positive unit of ET-1 mRNA staining in injured spinal cord except 48 h-group. The quantity of neuron expressing ET-1 mRNA decreased gradually in contused region after SCI, while the quantity of glial cell expressing ET-1 mRNA increased. CONCLUSION: Expression of ET-1 mRNA upregulates in spinal cord after SCI. It suggests a pathophysiological role for ET-1 in SCI. Neuron is the main contributor to the increase for ET-1 in injured spinal cord.

By reviewing the reports of clinical study on herbs of promoting the circulation of Qi to remove blood stasis in treating adenomyosis in recent years, therapeutic mechanism and clinical effects of the treatment were summed up, in order to provide literature reference for the therapy.

Objective To investigate the application of electronic bronchoscopy in diagnosis of recurrent tracheoe-sophageal fistula of type Ⅲ esophageal atresia. Methods 5 patients were reviewed who were suspected postopera-tive tracheoesophageal fistula recurrence of type Ⅲ esophageal atresia and examined through electronic bron-choscopy combined with injecting Methylene blue into stomach tube from Jan 2010 to Aug 2014. Male to female ra-tio was 4:1. The age was 2~15 months, median age was 7.4 months. Results The 5 cases were found trachea mem-brane fistula by electronic bronchoscope, recurrent tracheoesophageal fistula was diagnosed with Methylene blue in-jected into stomach tube and overflowed from trachea membrane fistula. Examination time is 3~7 minutes, the aver-age is 4.2 minutes. The 5 cases were confirmed by operation. Conclusion Electronic bronchoscopy combined with injecting Methylene blue into stomach tube to diagnose recurrent tracheoesophageal fistula is safe and feasible, the time is short and the diagnosis rate is high.

Objective To investigate the in vitro effect of wild-type PTEN gene transfection on the growth of human colon cancer cell lines. Methods With liposome transduction technique,the retrovirus vector pBp-PTEN,which contains wild-type PTEN gene segment and pBabe-puro,was transfected into Lovo,one of the PTEN-deficient human colorectal carcinoma cell lines.After identification by Western blotting,cell growth,cell cycle and apoptosis before and after transfection were studied. Results It was indicated by the cell growth curve that after transfection the curve of the transfection group exhibited a mild tendency with no obvious logarithmic growth phase,and the growth velocity was significantly lower than that of the control group(P

BACKGROUND: Extensive liver resection or liver transplantation operated on patients with combined hepatic cirrhosis and other complications correlates with high morbidity and mortality.Child-Turcotte-Pugh scoring system is now widely used in the assessment of liver function.This classification scheme includes three clinical indicators and two biochemical indices;however,it seems difficulty on directly evaluating functional status of hepatocytes.OBJECTIVE: To explore the practicability of bioluminescence adenosine triphosphate (ATP) determination assay to assess the functional reserve of residual hepatocytes,DESIGN,TIME AND SETTING: Case contrast study,which was carried out in the Second Affiliated Hospital,Sun Yat-sen University from January 2005 to March 2006.PARTICIPANTS: Thirty-two patients who underwent major extra-and intra hepatic surgery including liver transplantation were randomly divided into three groups based on hepatic cirrhosis grading standard,including normal group (n=7),macronodular cirrhosis group (n=9),and micronodular cirrhosis group (n=16).METHODS: Routine examination and biochemical indexes of liver were performed preoperatively,including glutamic oxalacetic transaminase (GOT) and total bilirubin (TBIL).Liver specimens were delivered by aseptic technique during operation and enzymatic digested.Cell suspension was cultured and centrifuged.Hepatocytes were counted and dispensed cell suspension to be used for ATP extraction and measurement.MAIN OUTCOME MEASURES: ATP content,preoperative biochemical parameters of liver function,and correlation between biochemical parameters and ATP content.RESULTS: The ATP content in the macronodular cirrhosis group was significantly higher than that in the micronodular cirrhosis group and normal group (P=0.000 1,0.004).While,the ATP content in the micronodular cirrhosis group was also significantly higher than that in the normal group (P=0.004).ATP content (mole/cell) wassignificantly positively correlated with serum glutamic oxalacetic transarninase (r=-0.609 3,P=0.000 2) and TBIL (r=0.614 5,P=0.000 2).CONCLUSION: ATP assay can directly evaluate functional reserve of liver parenchyma and reflect high operative risk status (HORS) and course of postoperative recovery in major hepatic resection.

Objective To investigate current situation of teaching competition and to put forward some feasible suggestions for improving the teaching competition of theoretical course for young teachers. Methods Questionnaire survey was conducted for 126 teachers including the effect of teaching competi-tion on effective teaching atmosphere,comprehensive teaching results,teaching ability and recommenda-tions for improvement. SPSS software was used to do statistical analysis andχ22 test was applied. P<0 . 05 stands for statistically significant difference. Results Investigation results demonstrated that teaching competition of theoretical course was conducive to forming effective teaching atmosphere,achieving better teaching effect and improving teaching ability of teachers . A χ22 test was performed on the cognition of the cultivating of classroom management ability;results demonstrated that there were significant differ-ences between teachers with more than 10 years education age and those with less than 10 years education age(χ22=4.375,P=0.0365). Conclusions Teaching competition of theoretical course is an effective way to cultivate young teachers teaching ability. Teaching competition should be combined with training and feedback and evaluation should be more scientific and objective in order to improve young teachers' teaching ability.