1.The clinical application of intra-aortic balloon pumping in treating serious coronary heart disease
Guopei ZHANG ; Yajun ZHANG ; Jianxiang SONG ; Qiyin ZHOU
Chinese Journal of Primary Medicine and Pharmacy 2010;17(23):3198-3199
Objective To evaluate the effect of intra-aortic balloon pumping(IABP)in treating serious coronary heart disease. MethodsA retrospective analysis was performed on 19 patients who suffered from serious coronary heart disease and accepted IABP therapy,the differences of mean arterial pressure before and after treatment were compared.In order to compare the in-hospital mortality,the patients were divided into 2 groups:6 of 19 patients accepted single IABP therapy,13 of 19 patients attempted IABP and revascularization(thrombolytic/percutaneous coronary intervention/coronary artery bypass graft)therapy. ResultsBedside success rate of IABP operation was 100%without complication.Effective rate was 89.5%(17/19),2 patients who were irreversible phase of cardiogenic shock,were an ineffective treatment.The patient's mean arterial pressure increased from(52.1 ± 18.4)mm Hg to(78.3 20.8)mm Hg after using IA BP for 30 minutes(P<0.01).The in-hospital mortality was significantly lower in patients received revascularization therapy in addition to IABP compared with patients who had IABP support alone 7.7% vs 83.3%(P<0.01). ConclusionIABP in treating serious coronary heart disease was safe and effective.IABP treatment before irreversible phase of shock and revascularization therapy following IABP are the key to decrease in-hospital mortality.
2. The effect of miR-155 on HBV replication and PTEN expression in vivo
Cong XIE ; Guangli REN ; Mancun XU ; Weiyun ZHANG ; Sulin ZHANG ; Qiyin CAI ; Yongmin LIN ; Donglong ZHOU
Chinese Journal of Hepatology 2018;26(7):489-494
Objective:
To construct the mmu-miR-155 eukaryotic overexpression vector pmR-155 and to investigate its effect on HBV replication and expression of PTEN in vivo.
Methods:
The mmu-mir-146a precursor gene fragment pre-mmu-mir-146a was amplified by PCR, then connected to the pmR-mCherry plasmid vector after double enzyme digestion, the accuracy of recombinant vector was verified by colony PCR、double enzyme digestion and sequencing; then the recombinant vector was transfected HBV transgene mice(Experimental Group)with hydrodynamics-based injection via vena caudalis, and pmR-mCherry plasmid、PBS were respectively transfected into the mice as Empty plasmid Group、Blank Group. The concentration of IFN-γ in the serum was detected by ELISA. The expression of SOCS1、PTEN mRNA in the liver was detected by qPCR at 30d post-transfectioned. The Western blot was performed to detect the changes in SOCS1、PTEN、HBX in the liver tissue at 30 d post-transfectioned. The results were analyzed with Student’s t-test, or one-way analysis of variance and the least significant difference test.
Results:
the colony PCR、double enzyme digestion and sequencing verified that the gene was inserted into the pmR-mCherry vector. Compared with Blank Group, the expression of miR-155 in the Experimental Group was significantly increased(