Objective To evaluate the safety and clinical efficacy of DC-CIK cell combined with chemotherapy in the treatment of patients with advanced non-small cell lung cancer (NSCLC).Methods A total of 112 patients with NSCLC were randomly divided into observation group (n=56) and control group (n=56), the observation group was treated with DC-CIK immunotherapy combined with chemotherapy, and the control group was treated with chemotherapy only, then the efficacy and safety were compared between the two groups.Results The response rate of the observation group and the control group were 60.7% and 48.9%, respectively, and there was no significantly difference(P>0.05), and the disease control rate of the observation group was 89.3%, which was higher than 73.2% in the control group(P<0.05).The KPS score in the observation group after treatment was significantly higher than that in the control group (P<0.05).Compared with the control group, the observation group had less toxicity reaction, and longer middle survival time (P<0.05).Conclusion DC-CIK cell combined with chemotherapy can effectively increase the disease control rate, extend the survival time, and improve the quality of life in patients with NSCLC, so it is worthy of promotion.

Objective To evaluate the safety and clinical efficacy of DC-CIK cell combined with chemotherapy in the treatment of patients with advanced non-small cell lung cancer (NSCLC).Methods A total of 112 patients with NSCLC were randomly divided into observation group (n=56) and control group (n=56), the observation group was treated with DC-CIK immunotherapy combined with chemotherapy, and the control group was treated with chemotherapy only, then the efficacy and safety were compared between the two groups.Results The response rate of the observation group and the control group were 60.7% and 48.9%, respectively, and there was no significantly difference(P>0.05), and the disease control rate of the observation group was 89.3%, which was higher than 73.2% in the control group(P<0.05).The KPS score in the observation group after treatment was significantly higher than that in the control group (P<0.05).Compared with the control group, the observation group had less toxicity reaction, and longer middle survival time (P<0.05).Conclusion DC-CIK cell combined with chemotherapy can effectively increase the disease control rate, extend the survival time, and improve the quality of life in patients with NSCLC, so it is worthy of promotion.

Objective To explore the choice of handling methods for bilateral internal ring during the transumbilical single-site laparoscopic orchiopexy for cryptorchidism with bilateral processus vaginalis unclosed in children,and evaluate the clinical effect.Methods Retrospective analysis was conducted for the clinical data of 102 children with cryptorchidism and bilateral processus vaginalis unclosed who were hospitalized at Children's Hospital Affiliated to Capital Institute of Pediatrics from January 2011 to January 2016.They were divided into the observation group (55 cases) and the control group(47 cases).In the observation group,the internal rings of the affected side were destroyed and stitched with a needle between the edge of arcuate of musculus trasversus abdominis and fascia trans versalis of posterior peritoneum.If the diameter of opposite internal ring was less than 0.5 cm,only a circle was destroyed.Otherwise,a circle was destroyed and sutured with a needle.In the control group,the processing methods for orchiopexy and affected side internal ring were same as the observation group.Purse string suture was done for opposite internal rings of all cases in the control group.The parameters of operative duration,intraoperative blood loss,postoperative hospital stay,postoperative complications were compared between 2 groups.Results All operations were successful in both groups,spermatic cords were reserved and testicles were in scrotum of all cases.Operative duration was significantly shorter in the observation group than that in the control group [(42.02 ± 3.21) min vs.(48.43 ± 4.18) min,t =-8.739,P ＜ 0.01].The differences in intraoperative blood loss,postoperative hospital stay and postoperative complications between 2 groups were not statistically significant[(4.38 ± 1.42) mL vs.(4.80 ± 1.37) mL,t =-1.533,P ＞0.05;(2.87 ±0.64) dvs.(2.98 ±0.61) d,t =-0.853,P ＞0.05;1.8％ (1/55 cases) vs.2.1％(1/47 cases),x2 =0.013,P ＞ 0.05].During a mean follow-up of 30(12-72) months,there was no case of testicular ascent or atrophy,or hernia,or hydrocele.Conclusions The transumbilical single-site 3-port laparoscopic orchiopexy for cryptorchidism has stable efficacy.The improved method for bilateral internal ring is simple and has satisfactory effect,which is worthy of clinical promotion.

Objective To evaluate the clinical effect of treatment for high intra-abdominal cryptorchidism of children with transumbilical single-site and multichannel laparoscopic single stage Fowler-Stephens (F-S) orchiopexy.Methods The case records of the intra-abdominal cryptorchidism of children who had undergone transumbilical single-site laparoscopic single stage F-S orchiopexy were reviewed retrospectively in Children's Hospital Affiliated to Capital Institute of Pediatrics between January 2011 and January 2017,were assigned as the observation group,whose age ranged from 1 to 8 years and average age was 18 months,with 22 unilateral and 8 bilateral,38 testis in total.A total of 31 children with intra-abdominal cryptorchidism who had undergone laparoscopic two stage F-S orchiopexy were assigned as the control group,whose age was from 11 months to 9 years and average age was 20 months,with 23 unilateral and 8 bilateral,39 testis in total.Postoperative follow-ups were conducted with the evaluation index included the testical position,with or without atrophy.The procedure effect and postoperative complications were observed,and the difference between two operation methods was evaluated.Results Operations in all cases were successful in both groups without intraoperative complication.A total of 38 testis were operated with single stage F-S orchiopexy in the observation group,and 39 testis were operated with two stage F-S orchiopexy in the control group.Postoperative complications included scrotum wound infection one case and scrotum hematoma in one case in the observation group,and abdominal wall emphysema in one case,intestinal obstruction in one case as well as umbilicus infection 1 case in control group.Follow-ups ranged from 6 months to 6 years,median 24 months.All testicals were within the scrotum,and each group had 1 case of testical atrophy.The difference of postoperative complication and effect between two groups had no statistical significance(x2 =0.184,0.107,all P ＞ 0.05).Conclusions Outcomes between single stage and two stage F-S orchiopexy are similar.The transumbilical single-site laparoscopic F-S orchiopexy not only has the satisfactory effect,but also saves some patients from reoperation and secondary anaesthesia,but doctors must be aware of the indications and contraindications of this procedure should be brought to attention.

Objective The aim of this study was to investigate the effects of Rad9 mutants with impaired DNA mismatch repair ( MMR) function on the tumorigenesis of colorectal cancer. Methods The colorectal cancer tumor samples were collected from 100 patients. The mutation profiles of human Rad9 ( hRad9) gene in these samples were detected by reverse transcriptase?polymerase chain reaction ( RT?PCR) and sequencing. The plasmid of pFLAG?hRad9 ( L101M ) was constructed following the QuickChange mutagenesis procedure and transfected into mRad9?deleted mouse cells ( mRad9-/- cells) . The expression of hRad9 protein was measured by western blot analysis. The MMR activity in live cells was detected by flow cytometry using the reporter plasmid for MMR function. Results Mutation from Leu to Met at the residue 101 ( L101M) of hRad9 gene was detected in 7 of the 100 samples. The mismatch repair efficiency of mRad9-/-+L101M cells ( mRad9?deleted mouse cells with ectopic expression of L101M hRad9 gene) was (34.0± 5. 6)%, which was significantly lower than that in the mRad9-/-+ hRad9 cells [ mRad9?deleted mouse cells with ectopic expression of hRad9 gene, (48.0±7.5)%, P<0.05]. After N?nitroso?N?methylurea (MNU) treatment, the survival rate of mRad9-/-+L101M cells was (33.7±5.9)%, which was significantly higher than that in the mRad9-/-+ hRad9 cells [(21.3±4.7)%, P<0.05]. Thus, ectopic expression of L101M hRad9 gene resulted in significantly reduced MMR activity and increased resistance to MNU. Furthermore, ectopic expression of hRad9 gene with mutation at the target residues of post?translational modification in mRad9-/- cells also led to a reduced MMR activity. Conclusion Rad9 mutants with impaired DNA mismatch repair function may promote tumorigenesis of colorectal cancer.

Objective The aim of this study was to investigate the effects of Rad9 mutants with impaired DNA mismatch repair ( MMR) function on the tumorigenesis of colorectal cancer. Methods The colorectal cancer tumor samples were collected from 100 patients. The mutation profiles of human Rad9 ( hRad9) gene in these samples were detected by reverse transcriptase?polymerase chain reaction ( RT?PCR) and sequencing. The plasmid of pFLAG?hRad9 ( L101M ) was constructed following the QuickChange mutagenesis procedure and transfected into mRad9?deleted mouse cells ( mRad9-/- cells) . The expression of hRad9 protein was measured by western blot analysis. The MMR activity in live cells was detected by flow cytometry using the reporter plasmid for MMR function. Results Mutation from Leu to Met at the residue 101 ( L101M) of hRad9 gene was detected in 7 of the 100 samples. The mismatch repair efficiency of mRad9-/-+L101M cells ( mRad9?deleted mouse cells with ectopic expression of L101M hRad9 gene) was (34.0± 5. 6)%, which was significantly lower than that in the mRad9-/-+ hRad9 cells [ mRad9?deleted mouse cells with ectopic expression of hRad9 gene, (48.0±7.5)%, P<0.05]. After N?nitroso?N?methylurea (MNU) treatment, the survival rate of mRad9-/-+L101M cells was (33.7±5.9)%, which was significantly higher than that in the mRad9-/-+ hRad9 cells [(21.3±4.7)%, P<0.05]. Thus, ectopic expression of L101M hRad9 gene resulted in significantly reduced MMR activity and increased resistance to MNU. Furthermore, ectopic expression of hRad9 gene with mutation at the target residues of post?translational modification in mRad9-/- cells also led to a reduced MMR activity. Conclusion Rad9 mutants with impaired DNA mismatch repair function may promote tumorigenesis of colorectal cancer.