Objective To construct the recombinant adenovirus encoding human IL-24 gene for future gene therapy. Methods The human IL-24 gene fragment was cloned into the shuttle plasmid pAdTrack-CMV to form the transfer vector by the method of homogenous recombination in bacteria. Then the recombinant adenovirus was transfected into 293T cells using Lipofectine DOTAP. The target gene was detected by polymerase chain reaction (PCR). The titer and its infection rate were determined using the green fluorescent protein (GFP) expression in the shuttle plasmid. The expression of target protein was measured by the method of immunohistochemistry. Results Restriction endonuclease and PCR analysis confirmed that the human IL-24 gene was successfully inserted into the adenovirus vector. The titer of the recombinant adenovirus was 1.2?10 10 pfu/ml. The adenovirus has a strong effect on A549 cells and human IL-24 can express in it. Conclusion The recombinant adenovirus containing human IL-24 gene was successfully constructed by the method of homogenous recombination in bacteria.

Objective To construct the recombinant adenovirus encoding human p16 gene for future gene therapy.Methods The human p16 gene fragment was cloned into the shuttle plasmid pAdTrack-CMV to form the transfer vector by the method of homogenous recombination in bacteria.Then the recombinant adenovirus was transfected into 293T cells using Lipofectine DOTAP.The target gene was detected by polymerase chain reaction(PCR).The titer and its infection rate were determined using the green fluorescent protein(GFP) expression in the shuttle plasmid.Results Restriction endonuclease and PCR analysis confirmed that the human p16 gene was successfully inserted into the adenovirus vector.The titer of the recombinant adenovirus was 6.1?10~(10)pfu/ml.The adenovirus has a strong effect on human fibroblast cells.Conclusion The recombinant adenovirus containing human p16 gene was successfully constructed by the method of homogenous recombination in bacteria.

Objective To observe the effect of metoclopramide combined with early enteral nutritional on patients with mechanical ventilation after craniocerebral operation.Methods A prospective randomized control study was conducted.56 patients with mechanical ventilation after craniocerebral operation were randomly divided into metoclopramide combined with early enteral nutritional group (observation group) and parenteral nutrition group (control group),28 in each group.The patients in the observation group received early enteral nutrition (24-48 h after operation),and intramuscular injection of metoclopramide (10mg Q8H) for 7 days.The patients in the control group received parenteral nutrition.The nutritional parameters,mechanical ventilation (MV) time,success rate of the ventilator weaning and the occurrence rate of pneumonia associated with ventilation (VAP) in one week,the incidence of adverse reaction were compared between the two groups.Results After 1 week therapy,the nutritioual parameters of the two groups showed no statistical significance(P ＞ 0.05);the observation group compared with the control group,3 、7days of blood glucose(P1 、P2) decreased significantly[(8.9 ± 1.6) mmol/L vs (11.4 ± 3.2) mmol/L,(8.2 ± 1.3) mmol/L vs (10.6 ± 2.1) mmol/L] (P1 =0.002,P2 =0.011),Mechanical ventilation (MV) time (P3) and the occurrence rate of VAP(P4) in one week also declined[(6.5 ±2.3)d vs (8.9 ±3.1)d,21.4％ vs 46.4％] (P3 =0.022,P4 =0.048),but within a week of success rate of the ventilator weaning improved (67.9％ vs 39.3％,P5 =0.032).Return rate (P6),gastrointestinal bleeding (P7) was significantly lower than those of the control group (17.9％ vs 42.9％,14.3％ vs 42.9％,P6 =0.042,P7 =0.038),but abdominal distention,diarrhea were no significant contrast (P ＞ 0.05).Conclusion Metoclopramide combined with early enteral nutritional may obviously improve the nutrition parameters,shorten the MV time,decrease the occurrence rate of VAP,not increase in side effects.

Objective To explore the expression characteristics of vascular endothelial growth factor (VEGF) receptor (VEGFR).Methods The 123I-VEGF165 and 123I-VEGF121 were marked to human umbilical vein endothelial cell (HUVEC),several human tumor cell lines (HMC-1,A431,KU812,U937,HEP-1,HEP-G2,HEP-3B and Raji),a variety of human tumors and adjacent non-neoplastic tissues as well as peripheral blood cells.Then,the specific binding site maximal binding capacity (Bmax),dissociation constant (Kd) and concentration of 50％ required specific binding (IC5o) were analyzed.The affinity,quantity and specificity of different cells combined with 123I-VEGF165 and 123I-VEGF121 were judged.Results Two kinds of analogous 123I-VEGF165 binding sites on the surface of HUVEC were found.While,there was only one kind of 123I-VEGF121binding site.123I-VEGF121 was found on the special cell lines (HUVEC,HEP-1 and HMC-1) and special early tumors (early melanoma,ductal breast cancer,ovarian cancer and meningioma).Compared with peripheral blood cells and adjacent non-neoplastic tissues,the number of VEGFR of tumor cells was bigger.Among the 123I-VEGF165 marked VEGFR,the Bmax value of early melanoma,ductal breast cancer,hepatocellular carcinoma,papillary thyroid carcinoma,ovarian carcinoma,renal cell carcinoma were 45 ± 13,13 ± 3,25 ±8,5 ±2,42 ± 12,20 ±6,respectively.While among the 123I-VEGF121 marked VEGFR,the Bmax value of early melanoma,ductal breast cancer,ovarian carcinoma were 30 ± 8,8 ± 3,20 ± 6.123I-VEGF165 and 123I-VEGF121 had specific binding capacity with a variety of human tumor cells and tissues.Compared with 123I-VEGF121,there were more different kinds of tumor cells could be bound to 123I-VEGF165 with higher capacity.Conclusion 123I-VEGF165 may be a potential target of tumor imaging in vivo,and it is expected to be used to diagnose and treat tumors.

Objective To investigate the risk factors of obstruction of central venous catheter(CVC)in the intensive care unit(ICU). Methods One hundred and thirty-three adult patients in ICU with CVC were included in the study. The difference of the position of catheters, duration of indwelling catheters,selection of sealing solution,blood platelet(PLT)count,prothrombin time(PT),international normalized ratio(INR),activated partial thromboplatin time(APTT),thrombin time(TT)and fibrinogen(FBG)were studied between two groups of patients(with and without the obstruction of CVC).Results In 117 cases,there were no catheter obstruction,accounting for 88.0%. Catheter obstruction occurred in 16 cases,accounting for 12.0%,10 cases of which the catheters were partially blocked,accounting for 7.5%and in 6 cases completely blocked,accounting for 4.5%.There were significant differences in the duration of indwelling catheters,PLT and FBG levels between the two groups of patients(all P<0.05).There was no significant difference in the position of catheters,selection of sealing solution and PT,INR,APTT,TT level between the groups(all P>0.05).Conclusion Prolonged time of indwelling CVC,high levels of PLT and clotting fibrinogen are the risk factors of the obstruction of CVC in ICU patients.

Objective To explore the relationship between job burnout feeling and sleep quality in psychiatric female medical staff.Methods 100 female medical staff were randomly selected from two mental hospitals in Wenzhou,and the Pittsburgh sleep quality index was used to evaluate and Maslach burnout inventory;and the relation-ship between sleep quality and job burnout was analyzed.Results Female psychiatric and medical personnel to the personality dimension score was (10.84 ±4.75)points,which was higher than Maslach norm (7.12 ±5.22)points;emotion exhaustion scores of (14.44 ±6.38)points,low achievement sense score of (15.07 ±6.89)points,below the Maslach often die emotion exhaustion scores of (22.19 ±9.53)points and low achievement sense scores (36.54 ± 7.34)points.The differences were statistically significant (t =-12.15,7.84,-31.15,all P <0.01).Job burnout and there were significant correlations between sleep quality and the emotional exhaustion and personification and PQSI seven dimensions and the total score was a positive correlation,low sense of achievement and PQSI total score and negatively correlated with seven dimensions.Conclusion Wenzhou psychiatric female medical staff burnout is significantly higher than the general population,there is a correlation between staff burnout and sleep quality,and the more serious burnout,poorer quality of sleep.Improving the quality of sleep of medical staff is one of the ways to relieve job burnout.

Humans ; Male ; Myocutaneous Flap ; Neck Injuries ; etiology ; surgery ; Pectoralis Muscles ; transplantation ; Radiation Injuries ; surgery ; Reconstructive Surgical Procedures ; methods ; Skin Ulcer ; etiology ; surgery ; Tissue Transplantation ; methods

Objective To study prevention and treatment for patients during the intermittent period of maintaining hemodialysis complicated by acute left heart failure. Methods The treating process of 126 examples suffered from acute left heart failure during the intermittent period of 14 225 person-time maintaining hemodialysis in 143 patients were retrospectively analyzed. Results In this case group, 0.89% suffered from acute left heart failure during the intermittent period of hemodialysis and the successful rescuing rate was 88.9%. Conclusions Applying the treatment of emergency hemodialysis, quickly filtering body fluid, the curative effect is reliable and rapid. It is one of the best ways to cure patients suffered from acute left heart failure during the intermittent period of maintaining hemodialysis. Combined with other treatments, it will be able to improve the successful rate, and ensure the sufficiency of hemodialysis. United with other steps of reducing blood pressure, such as using angiotensin converting enzyme inhibitors, angiotensin II receptor blocker, and ? receptor blocker, it is an effective countermeasure to prevent patients suffering from acute left heart failure during the intermittent period of maintaining hemodialysis, and effectively reduces its appearance as well.

Objective To investigate the cryoprecipitate fracture hemorrhage clinical application value in the skull fracture hemorrhage,and provide reference for clinical treatment.Methods 80 patients with standard skull frac-ture hemorrhage were selected as the research subjects.The patients were randomly divided into observation group (40 cases)and the control group (40 cases).The control group was given hemostasis,dehydration,protecting stom-ach,antibacterial,nerve nutrition,reducing intracranial pressure,head up in bed and other symptomatic treatment.The observation group received the treatment besides in the control group and added the cryoprecipitate hemostasis,every time given 10U,every 6 -8h 1 time.According to the condition,they were given the cold sediment of 1 -3 times. Then,the cases that fit to give surgery we must cured them by the operation.After treatment 24h,the coagulation inde-xes were examined [prothrombin time (PT),activated partial thromboplastin time (APTT),thrombin time (TT),two D -dimer],plasma fibrinogen (Fbg),International Glasgow (GOS).Finally,we observed clinical prognosis in two groups.Results PT,APTT,TT were significantly shorter than before treatment in the observation group and the con-trol group(t =6.654,5.746,6.193 and 3.342,3.552,3.646,P <0.01 or P <0.05).The PT,APTT and TT of the observation group were significantly shorter than those in the control group (t =3.322,3.406,3.315,all P <0.05). Plasma Fbg was significantly higher than before treatment in two groups(t =5.762,3.592,P <0.01 or P <0.05). Fbg in the observation group was significantly higher than the control group(t =3.407,P <0.05).The clinical prog-nosis in the observation group was significantly better than the control group(χ2 =8.747,P <0.05).Conclusion Cryoprecipitate is a safe and efficient drug.It can effectively improve the blood coagulation dysfunction of patients with fracture of skull base,active endogenous coagulation system,improve hemostatic effect,and reduce the occurrence of progressive cerebral hemorrhage.Therefore,it can improve the prognosis of patients.

Objective To study long-term outcome and prog nostic factors of esophageal squamous cell carcinoma patients treated by three dimensional conformal radiation therapy (3DCRT). Methods 169 patients with unresectable esophageal squamous cell carcinoma treated by 3DCRT were enrolled in the study. The survival rates of 1 year, 3 years and 5 years were estimated by life-table method. Univariate prognostic factor was tested by Log-rank method. Multivariate prognostic factor was analyzed by Cox model. Results The 1 year, 3 years and 5 years survival rates were 63.2%, 34.1%and 21.3%, respectively. Univariate analyses showed that the length of tumor, the site of lesion, chemotherapy, the dose of plan gross tumor volume (PGTV) and the short-term outcomes after treatment were the important prognostic factors for the long-term survival (P< 0.05), and multivariate analyses showed that the length of tumor, chemotherapy and the short-term outcomes after treatment were the independent prognostic factors for the long-term survival (P< 0.05). Conclusions The patients with unresectable esophageal squamous cell carcinoma treated by 3DCRT have a good long-term prognosis. The length of tumor, chemotherapy and the short-term outcomes after treatment are the important prognostic factors for the long-term survival of the patients. Chemotherapy can improve the long-term prognosis significantly.