Objective To set up an apoptosis model of prostate cancer cell line and to clone and study the apoptosis related genes. Methods An apoptosis model of prostate cancer cell line DU-145 has been set up through induction by all transretinoic acid (ATRA).During the process of cell apoptosis the apoptosis-related gene was cloned by means of improved PCR-based subtractive hybridization from the apoptosis prostate cancer cell line DU-145 prostate cancer cells. Results During the process of DU-145 cell apoptosis,c-erb B-2 expression,TNF genes and some unknown apoptosis-related gene were observed.This has been accepted by Genebank,the accession number being AF174394. Conclusions ATRA-induced apoptosis of DU-145 cells is a complex process with multiple genes involved,some of which being unknown yet.

With health reform goes deeply,medical system becomes market economy gradually;some of medical workers are not fit with the market economy reform.By means of two years practice of defending the patient rights,the article sets forth that upholding the rights of the patient and defending the benefits of the hospital are identical.According to analysis to the patients present situation,it puts forward that there are some problems to ignore or infringe upon the patients informed rights,keep secret rights,private rights,autonomy rights,autonomg respect to the patients etc.According to the above problems,we set forth the discussion of corresponding countermeasure.The purpose is to recognize the patient rights,to participate competition positively,and realize the purpose--Uphold the Rights of the Patient and Defend the Bendfits of the Hospital.

Objective To investigate the effectiveness, dose-effect and time-effect relationships for inhibiting neointimal proliferation by 103 Pd radioactive stent, and the safety of the radioactive stent. Methods By angiogaphic, morphometric and histopathologic analysis, we compared 1?000 ?Ci, 500 ?Ci and 100 ?Ci 103 Pd stents with non-radioactive stents on 5 weeks and 12 weeks after stenting in a micro-porcine coronary model of restenosis. Results The neointimal areas of 500 ?Ci and 100 ?Ci 103 Pd stents were significantly smaller than control stents. 1?000 ?Ci stents and control stents had similar neointimal areas. The neointimal areas of 500 ?Ci stents were significantly smaller than 100 ?Ci stents. Compared with control stents, 500 ?Ci stents reduced the neointimal areas by 49% and 50% respectively on 5 weeks and 12 weeks after stenting. Compared with 5 weeks after stenting, the effect of inhibiting neointimal proliferation by 100 ?Ci stents was reduced by 56% (32% vs 14%) on 12 weeks. The neointimal areas on both edge of 100 ?Ci stents were significantly larger than control stents. The neointimal areas on both edge of 1?000 ?Ci stents and 500 ?Ci stents were similar with control stents. No evident radiation damage had been found in the experimental animals who had 103 Pd stent. Conclusion There may be an effective dose window for 103 Pd radioactive stent in inhibiting neointimal proliferation. The effect of inhibiting neointimal proliferation was dose dependent. 103 Pd radioactive stent with appropriate activities may effectively, persistently inhibit neointimal proliferation with no adverse radiation sequelae. These results suggest that 103 Pd radioactive stent prevent restenosis. These data may be useful in predicting safe and effective activity for 103 Pd radioactive stent.

Animals ; Arteritis ; complications ; immunology ; Coronary Artery Disease ; etiology ; pathology ; Coronary Vessels ; pathology ; Models, Animal ; Rabbits

Adult ; China ; epidemiology ; Female ; Humans ; Male ; Middle Aged ; Pneumoconiosis ; epidemiology ; Welding

Objective To investigate the detection of early cervical cancer patient's peripheral blood CK19 mRNA and its clinical significance. Methods 30 early (ⅠA2~ⅡA) cervical cancer patients from the department of gynecological tumors in the third affiliated hospital of Kunming Medical University were selected as experimental group, 15 patients with uterine myoma and 15 healthy volunteers as negative control group,15 advanced (ⅡB~ⅢB) cervical cancer patients as positive control group. Peripheral blood samples before receiving radical resection of experimental group,and the same samples before treatment of control groups were collected. The change of relative expression level and positive rate of peripheral blood CK19 was analyzed using qRT-PCR technique, and its correlation with clinicopathological parameters and prognosis was further analyzed. Results There was significant difference in relative expression level of CK19 mRNA in the peripheral blood between experimental group and control groups ( <0.001) . And the positive rate of CK19 in the peripheral blood from 30 patients with early cervical cancer before operation in the experimental group was 30% (9/30) . Furthermore, CK19 mRNA positive rate before surgery was correlated with lymph node metastasis, muscularis invasion and pathologic risk factors for postoperative ( <0.05) . There were no significant correlation between CK19 mRNA positive rate and other clinical and pathological features such as age,clinical stage (FIGO),tumor cell differentiation,tumor size,pathological type and etc ( > 0.05) . Conclusions CK-19 mRNA is a specific and suitable molecular marker for the detection of circulating tumor cells in early cervical cancer. Detection of peripheral blood CK19 mRNA expression before receiving radical hysterectomy in patients with early cervical cancer can also make up for the disadvantage of other methods such as the imaging, tumor marker detection. Most important of all, it can provide the basis for choosing a proper adjuvant therapy post-operation and estimating the relapse and prognosis.

Objective To investigate the frequency of micresatellite instability (MSI) and loss of heterozygosity (LOH) and select sensitive loci for studying microsatellite DNA imbalance in thymic squamous cell carcinoma. Methods 5 microsat-ellitc polymorphism markers and extrated DNA were selected from 9 specmiens of paired thymie squamous cell carcinoma/nor-real tissues. MSI and LOH in the specmiens of thymic carcinoma and relevant pericancerou tissues were detected by polymerase chain reaction (PCR) followed by 6% polyacrylamide gel electrophoresis(PAGE) with silver staining. Results MSI or LOH was detected in 9 thymic carcinoma tissues. The frequency of MSI or LOH was 66.7% (6/9) at loci of D6S1708, 33.3% (3/9) at TP53, 33.3% (3/9)at DM, 33.3% (3/9)at D11S988 and 0% (0/9)at D8S136, LOH at D6S1708 (5/6) was a common genetic alteration. DI1S988 had only LOH alteration. Conclusion D6S1708, TP53, DM, and D11S988 are sensi-tive loci for studying microsatellite DNA imbalance in thymic squamous cell carcinoma. Microsatellite DNA imbalance may play a certain role in occurrence and development of thymic squamous cell carcinoma, and the relationship between MSi or LOH.The linicopathological features of thymic squamous cell carcinoma needs further investigation.

Objective To investigate the clinical effect of adductor magnus tendon transposition with arthroscopic in reconstruction medial patellofemoral ligament (MPFL) for the treatment of patellofemoral joint instability of adolescents. Methods Eighteen juvenile patients (21 knees) with patellofemoral joint instability (including chronic patellar dislocation and recurrent patellar dislocation) were treated with adductor magnus tendon transposition for MPFL reconstruction, combined with lateral patellofemoral ligament release. They were followed up for 12- 30 months. The complications, patellofemoral angles and Lysholm scores before and after operation were recorded and compared. Results There was no complications such as wound infection, redislocation, patellofemoral joint instability and epiphyses injured. All patients got excellent knee flexion and extension function. Patella fear tests were all negative. The patellofemoral angles and Lysholm scores after operation were improved significantly than those before operation:(10.3 ± 4.1)° vs. (-3.8 ± 4.9)°, (92.7 ± 3.6) scores vs. (61.5 ±2.4) scores, P<0.01. Conclusions Adductor magnus tendon transposition with arthroscopic in reconstruction MPFL can significantly improve the stability of patellofemoral joints. This is one of the effective methods for the treatment of patellofemoral joint instability of adolescents.

BACKGROUND:Three-dimensional (3D) printing technology exhibits a broad future in the orthopedics,especially exhibiting good guidance and auxiliary in the treatment of tibial plateau fractures.However,the related researches are few,and there is a lack of evidence-based medicine to confirm its application values.OBJECTIVE:To compare the efficacy of 3D printing-assisted surgery and traditional surgery in the treatment of tibial plateau fractures through a meta-analysis.ME=THODS:MEDLINE,Cochrane library,Embase,CBM,CNKI and WanFang databases were searched by computer and the relevant literatures were retrieved manually,to collect the controlled trials concerning the efficacy of 3D printing-assisted surgery versus traditional surgery for tibial plateau fractures.Methodology quality of the trials was assessed critically and relative data were extracted,followed by analysis on Stata 11.0 (Stata Corporation,College Station,TX) software.RESULTS AND CONCLUSION:(1) Seven controlled trials involving 362 patients were included.(2) Meta-analysis results showed that the 3D printing-assisted surgery had shorter operation time (SMD=-2.411,95％C/=-2.718-2.104,P=-0.00) and less intraoperative blood loss (SMD=-1.579,95％C/=-1.842--1.316,P=-0.00) than those in the traditional surgery.The excellent and good rate in Rasmussen and Hospital for Special Surgery knee scores showed no significant differences between two growps (P ＞ 0.05).(3) To conclude,compared with the traditional surgery,the 3D printing-assisted surgery can significantly shorten the operation time and reduce the intraoperative blood loss in the treatment of tibial plateau fractures.

Objective To explore the mediating effects of rumination and its subtypes on the relationship between negative life events and depressive symptoms in treatment-naive depressed patients.Methods Sixty-two treatment-naive depressed patients completed the center for epidemiologic studies depression scale (CESD),rumination response scale (RRS),and life event scale (LES).Results ① The scores of CESD were positively correlated with total score of RRS,brooding score of RRS,and negative LES score (NLES) in depressed patients (r=0.66,P＜ 0.01;r =0.50,P＜ 0.01;r =0.51,P＜ 0.01).The total score of RRS and brooding score of RRS were positively correlated with NLES(r=0.45,P＜0.01;r=0.47,P＜0.01).② The total score of RRS played a mediating role between NLES and CESD (indirect effect=0.12,95％ CI =0.04 ～ 0.23).③The brooding of RRS played a mediating role between NLES and CESD (indirect effect =0.07,95％ CI=0.02～0.15).Conclusion The RRS and the brooding of RRS exert mediation effects on the relationship between NLES and CESD in patients with depression.