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China Pharmacy ; (12): 906-909, 2016.
Article in Chinese | WPRIM | ID: wpr-504326


OBJECTIVE:To study the effects of Thymalfasin for injection on the apoptosis of human lung cancer A549 cells. METHODS:After treated with 0(blank control),25,50,100,200 and 400 mg/L Thymalfasin for injection for 24,48 and 72 h, the cell proliferation inhibitory rate was analyzed with MTT and calculated. After treated with 0(blank control),50 and 100 mg/L Thymalfasin for injection for 48 h,cell apoptosis was detected by flow cytometry,and the expression of Caspase-3,Bcl-2 and Bax and the phosphorylation level of Akt were deteced by Western blot. RESULTS:Compared with blank control group,proliferation in-hibitory rate of A549 cells increased after treated with Thymalfasin for injection,in concentration and time-dependent manner(P<0.05). The apoptotic rate of A549 cells increased after treated with Thymalfasin for injection 50,100 mg/L for 48 h (P<0.05). The expression of Caspase-3 increased while the Bcl-2/Bax and phosphorylation level of Akt decreased in A549 cells after treated with Thymalfasin for injection 100 mg/L (P<0.05). CONCLUSIONS:Thymalfasin for injection can inhibit the proliferation of A549 cells by activating Caspase-3,decreasing Bcl-2/Bax ratio,inhibiting Akt signal pathway and induce the apoptosis of A549 cells.

Article in Chinese | WPRIM | ID: wpr-446382


Objective To observe multiple metabolic changes within one year after Roux-en-Y gastric bypass (RYGB) surgery in obese patients with type 2 diabetes mellitus, and to evaluate the index of the gastric bypass surgery and the determination of applicable population. Methods The clinical and laboratory data before and after surgery in 112 patients diagnosed as type 2 diabetes mellitus by RYGB were included in this study. According to BMI, these patients were divided into two groups: normal group (≤ 25kg/m2), and the overweight group (> 25 kg/m2). The physiologic and biochemical indexes of the patients were followed up at 1, 3, 6, 12 months, respectively. The statistical analysis was performed by SPSS17.0 software. Results Compared with the preoperative period, the levels of HbA1c and HOMA-IR in the postoperative period were significantly increased in the two groups. Principal component analysis showed that the postoperatively contributions of BMI and HbA1c in 6 months was bigger than that of the other indexes, while HOMA-β, HOMA-IR had larger contributions after 6-month postoperative period. Conclusion Various metabolic indexes in patients with type 2 diabetes improve significantly within one year after surgery, and the complete remission rate is gradually increased. The indexes including weight, blood glucose, serum lipids, HOMA-βand HOMA-IR in overweight and obese group have more significant improvements than those in normal group. Obese patients are more appropriate for the surgical treatment. The indexes, such as BMI, HbA1c,HOMA-βand HOMA-IR, should help to evaluate the operating effectiveness and preoperative indications.