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1.
Article in Chinese | WPRIM | ID: wpr-988431

ABSTRACT

Objective To investigate the effects of miR-325-3p on the EMT, invasion and metastasis of gastric cancer cells by targeting CLDN1 gene. Methods We selected human gastric epithelial cell lines GES-1 and gastric cancer cell lines HGC27, SGC-7901, MKN-45 and MGC-803, and detected the expression of miR-325-3p and CLDN1. The targeting relation between miR-325-3p and CLDN1 were verified by dual luciferase report experiments, and the expression of miR-325-3p and CLDN1 in gastric cancer cells were intervened. qRT-PCR and Western blot were adopted to detect N-cadherin, vimentin and MMP2 expression in cells. CCK-8 assay, Transwell assay, flow cytometry were utilized to detect cell proliferation activity, invasion and apoptosis, respectively. Results Compared with GES-1 cells, miR-325-3p expression was decreased while CLDN1 expression was increased in MGC-803 cells (P < 0.05). CLDN1 was a target gene of miR-325-3p. Overexpression of miR-325-3p could inhibit the proliferation, invasion and EMT of gastric cancer cells, while promote the apoptosis of gastric cancer cells. However, the inhibition of miR-325-3p had the opposite effect (P < 0.05). The overexpression of CLDN1 could reverse the effect of miR-325-3p overexpression on the biological behavior of gastric cancer cells. Conclusion miR-325-3p can suppress CLDN1, inhibit the invasion, metastasis and EMT while promote the apoptosis of gastric cancer cells. miR-325-3p is expected to be a new target in gastric cancer treatment.

2.
Chinese Journal of Geriatrics ; (12): 494-497, 2016.
Article in Chinese | WPRIM | ID: wpr-496644

ABSTRACT

Objective To investigate the clinical efficacy of combination treatment of Ambroxol,Ipratropium and Budesonide during perioperative period in elderly patients with cardiac adenocarcinoma and chronic obstructive pulmonary disease(COPD).Methods A total of 126 elderly patients aged over 65 years diagnosed as cardiac adenocarcinoma and COPD were selected,and no chemotherapy was given to them before operation.Patients were randomly divided into experimental group(n= 62)and control group(n= 64).Intravenous infusion of Ambroxol hydrochloride and atomizing inhalation of Ipratropium were given in both groups,and the experimental group received budesonide additionally.The pulmonary function,postoperative pulmonary atelectasis,pulmonary infection,antibiotics application and hospitalization after operation were compared between the two groups.Results The forced expiratory volume at the first second(FEV1),forced vital capacity(FVC)and FEV1/FVC were higher in experimental group than in control group [(1.79 ± 0.52)1 vs.(1.33 ± 0.38)L,(2.44 ±0.43)Lvs.(1.93 ± 0.36)L and(73.91 ± 8.17)% vs.(62.87 ± 7.23)%,respectively,allP<0.05].The postoperative pulmonary atelectasis and pulmonary infection were lower in experimental group than in control group(4.8% vs.15.6%,6.5% vs.18.8%,respectively,both P<0.05).The time for antibiotics application after operation had no difference between the two groups[(4.81±1.20) days vs.(5.98 ± 1.17)days,P > 0.05].There was a significant difference in postoperative hospitalization between the two groups [(8.37 ± 0.27) days vs.(11.80 ± 0.33) days,P < 0.05].Conclusions The combination treatment of Ambroxol hydrochloride,Ipratropium and Budesonide during perioperative period achieves better therapeutic effects than does the combination treatment of ambroxol hydrochloride and ipratropium in elderly patients with cardiac adenocarcinoma and COPD.

3.
Article in Chinese | WPRIM | ID: wpr-353757

ABSTRACT

<p><b>OBJECTIVE</b>To observe the change of myeloid-derived suppressor cells (MDSCs) percentage in peripheral blood after operation in rectal cancer patients and to examine its association with the prognosis.</p><p><b>METHODS</b>Blood samples of pre-operation and postoperative 21-day from 64 stage I(-III( rectal cancer patients who underwent surgery in Department of General Surgery, The Affiliated Cancer Hospital, Zhengzhou University between January and December 2009 were collected. MDSCs percentage was detected by flow cytometry. Its association with the prognosis of patients was analyzed.</p><p><b>RESULTS</b>MDSCs percentage of postoperative 21-day decreased significantly compared with pre-operation (P<0.01). When local recurrence or distant metastasis presented, MDSCs percentage increased again (all P<0.01) and reached the preoperative level(P>0.05). All the patients were further divided into two groups based on median MDSCs percentage. Patients with higher MDSCs percentage before operation (>3.78%) and after operation (>2.11%) had significantly lower 5-year overall survival(OS) (58.1% and 62.1%) and 5-year disease-free survival (DFS)(54.8% and 58.6%) as compared to those with lower MDSCs percentage(5-year OS 87.9% and 84.8%; 5-year DFS 82.8% and 80.0%, all P<0.05). Multivariate analysis showed that preoperative MDSCs percentage was an independent prognostic factor of rectal cancer(HR:4.065, 95% CI:1.026 to 16.108, P=0.04).</p><p><b>CONCLUSIONS</b>Preoperative increased MDSCs percentage may be an important predictor of poor OS in rectal cancer patients. Dynamic change of MDSCs percentage can reflect the disease development.</p>

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