Livin,a novel member of human inhibitor of apoptosis protein family,is highly expressed in various malignant tumors. It plays an important role in the initiation,development,treatment and prognosis of tumors.Many studies have proved that down-regulation of Livin expression using RNA interference technique can reduce tumor growth,increase the apoptotic rate,and sensitize tumor cells to radiotherapy and chemo therapy.Full-length Livin is cleaved by the effector caspases to produce a truncated form (tLivin) with apoptosis-promotion activity.tLivin provides a new direction for the treatment of the malignant tumors.

To observe the effect of PCEA on the serum endotheline and the renal function after operation in kidney transplantation patients. Forty patients with chronic renal failure were randomly divided into two groups: group P( n =20) and group N ( n =20) .Venous blood samples were drawn before anesthesia at the end of operation and 24, 48, 72h after operation. Mean arterial pressure (MAP), serum endothelin,creatinine, urea nitrogen, uric acid were measured with radioimmunoassay. The results showed that the MAP, serum endothelin, creatinine, urea nitrogen and uric acid were decreased significantly at 24h after operation.All of them reached the nadir at 72h after operation. But those of group N were significantly higher than group P ( P

OBJECTIVE:To study the bioequivalences of both domestic nevirapine capsules and imported nevirapine tablets.METHODS:24healthy male volunteers were administered orally with single dose of either the domestic nevirapine trial capsules or the imported nevirapine reference tablets by randomized crossover way,the blood concentration of nevirapine was determined by HPLC,and the pharmacokinetics parameters and the relative bioavailability of whom were calculated.RE?SULTS:The C max of the trial preparation and the reference preparation were(2.516?0.446)?g/ml and(2.798?0.394)?g/ml,respectively t max were(7.5?10.7)and(3.6?2.1)h,t 1/2 were(51.4?25.3)h and(46.4?9.8)h;AUC 0～168 were(160.540?38.007)(?g?n)/ml and(167.459?30.629)(?g?n)/ml;AUC 0～∞ were(180.064?51.005)(?g?n)/ml and(183.052?36.828)(?g?n)/ml;The relative bioavailability of the trial preparation was(98.368?22.99)%.CONCLUSION:The results shows that the trial preparation and the reference preparation of nevirapine were bioequivalent.

Objective: To analysis the medical expenses of six diseases and put forward the efficient methods to control their unreasonable rise. Methods: 22582 patients with six diseases in two largest hospitals in Xi'an were chosen and analyzed from 1/1/ 2003 to 10/1/2004. Results: Six diseases were the main reason of hospitalization and the malignancy was most important; drug expense of the uninsured patients, which was the key factor to induce the medical expenses rising, was higher than insured patients. Conclusion: The medical insurance program could control the drug expense efficiently; different control strategies to different diseases were important to distribute the medical resource and lighten the life burdens of the inpatients.

Every stage of tumor initiation and development closely relates to immune regulation as tumor cells tend to evade attacks from immune system by employing the programmed death 1 (PD-1)/ programmed death-ligand 1 (PD-L1) interaction.Therefore,targeting the PD-1/PD-L1 pathway has become an attractive approach for cancer immunotherapy.Radiotherapy has long been considered a local tumor treatment modality and it is immune-inhibitory.However,accumulated evidence has shown that radiotherapy might enhance immune function by eliminating the tumor mass and has become a systemic tumor treatment modality.These observations indicate a strong rationale that the radiotherapy and anti-PD1 and anti-PD-L1 immunotherapy may work synergistically to provide a powerful anti-tumor effect.This review discusses current progresses,challenges and perspectives of this novel combination treatment modality.

OBJECTIVE:To observe clinical efficacy and safety of mosapride combined with flupentixol melitracen in the treat-ment of elderly functional heartburn. METHODS:106 elderly patients with functional heartburn in accordance with Rome IIIstan-dard were randomly divided into control group(52 cases)and treatment group(54 cases). The control group was treated with Mo-sapride dispersible tablets 5mg,tid,orally;the treatment group was additionally given Flupentixol melitracen tablets(containing flu-pentixol 0.5 mg and melitracen 10 mg),qd,on the basis of control group. Therapeutic efficacy of 2 groups were observed after 4 weeks. Hamilton anxiety scale(HAMA),Hamilton depressive scale(HAMD) and symptom score were conducted before and after treatment. RESULTS:The total effective rate of treatment group and control group were 87.0%and 53.8%;with statistical signifi-cance(P<0.05);there was statistical significance in symptom score,HAMA score and HAMD score between 2 groups after treatment (P<0.01). No severe ADR was found in 2 groups. CONCLUSIONS:Mosapride combined with flupentixol melitracen is safe and ef-fective in the treatment of elderly functional heartburn.

Objective To establish the specific 16S 23S rRNA gene spacer regions map of different bacteria by PCR, RFLP(restriction fragment length polymorphism ),DNA clone and sequences analysis. Methods A pair of primer was selected from highly conserved sequences adjacent to the 16S 23S rRNA spacer region. The farget rRNA regions from 61 strains of standard bacteria and corresponding clinical isolates representing for 20 genera and 26 species were amplified by PCR,and thereafter analyzed RFLP, DNA clone and sequences analysis.Meanwhile, all the specimens were examined by bacterial culture and PCR RFLP analysis. Results 26 different standard strains presented one band,two bands,three bands and more than three bands respectively, the sensitivity of which reached 2.5 CFU and had no cross reaction to the human genomic DNA,fungus and virus.14 species could be distinguished immediately by PCR, other 10 species must be identified by further Hinf I or Alu I digestion. K.pneumoniae and E.durans differentiate only at the site of 779 th nucleotide according to the sequence analysis, and only one enzyme Xma III could discriminate them.15 specimens from 42 septicemic neonates were blood culture positive and the positive rate was 35.7%. However, 27 specimens were positive by PCR and the positive rate was 64.2%,which was significantly higher than that of the blood culture( P

Objective To study the safety of laparoscopic cholecystectomy (LC) with low pressure pneumoperitoneum for high risk patients with gallstone. Methods 72 high risk patients with gallstones were undergone LC with low pressure pneumoperitoneum and their clinical data were analysed in our hospital during last three years. Results one of 72 patients was converted into open cholecystectomy due to bleeding, and two of them were converted due to severe adhesion. The others were performed successfully and no serious complications occurred. Conclusions LC is a safe method for high risk patients with gallstone. The key point is to use low pressure pneumoperitoneum during LC.

Objective To investigate the expression level of Ezrin and its clinical significance in nontraumatic os-teonecrosis of femoral head. Methods Expression level of Ezrin in 38 patients with nontraumatic osteonecrosis of femoral head ( experimental group) and 16 patients with femoral neck fractures ( control group) were detected by immunohistochemistry and RT-PCR analysis. Results The expression level of Ezrin was significantly lower in ex-perimental group than that in control group (P<0. 05). It was correlated with the Ficat Stage, and had no rela-tionship with gender, age, BMI, profession and etiological factor. Conclusion Ezrin may involve in the develop-ment of nontraumatic osteonecrosis of femoral head, and play an important role in regulation.