目的:探讨2型糖尿病(T2DM)伴肥胖患者采用司美格鲁肽联合达格列净治疗对胰岛素抵抗和炎症反应的影响。方法:选取2023年1—12月晋江市医院收治的共计90例T2DM伴肥胖患者,以随机数字表法分成研究组(n=45)与对照组(n=45),对照组给予达格列...目的:探讨2型糖尿病(T2DM)伴肥胖患者采用司美格鲁肽联合达格列净治疗对胰岛素抵抗和炎症反应的影响。方法:选取2023年1—12月晋江市医院收治的共计90例T2DM伴肥胖患者,以随机数字表法分成研究组(n=45)与对照组(n=45),对照组给予达格列净治疗,研究组给予司美格鲁肽联合达格列净治疗,比较两组血糖水平、胰岛素抵抗、炎症反应、体重指数(BMI)、不良反应。结果:治疗后两组空腹血糖(FPG)、餐后2 h血糖(2 h PG)水平均较治疗前下降,研究组均较对照组更低,差异均有统计学意义(P<0.05);治疗后,两组胰岛素抵抗指数(HOMA-IR)均较治疗前下降,胰岛β细胞功能指数(HOMA-β)均较治疗前升高,研究组HOMA-IR较对照组更低,HOMA-β更高,差异均有统计学意义(P<0.05);治疗后两组C反应蛋白(CRP)、白细胞介素-6(IL-6)、肿瘤坏死因子-α(TNF-α)水平均较治疗前下降,研究组均较对照组更低,差异均有统计学意义(P<0.05);治疗后两组BMI均较治疗前下降,研究组较对照组更低,差异均有统计学意义(P<0.05);研究组(11.11%)与对照组(17.78%)不良反应发生率比较差异无统计学意义(P>0.05)。结论:司美格鲁肽联合达格列净应用于T2DM伴肥胖患者治疗中,能够降低血糖水平,改善胰岛素抵抗,缓解炎症反应,提高体重控制效果,安全性较高。展开更多
OBJECTIVE:To investigate whether cancer stem cells(CSCs) more efficiently activating platelets and evading immune surveillance than non-CSCs thus promoting metastasis.METHODS:We enriched and identified sphereforming c...OBJECTIVE:To investigate whether cancer stem cells(CSCs) more efficiently activating platelets and evading immune surveillance than non-CSCs thus promoting metastasis.METHODS:We enriched and identified sphereforming cells(SFCs) and coincubated washed platelets with several platelet activators including collagen,4T1 and SFCs.Platelet-coating tumor cells,platelet activation and TGF-β1 release were analyzed.Then natural kell cells(NK) were incubated with supernatants of different activated platelet samples what we called sample release(SR).The degranulation assay and NKG2 D expression on NK cells were conducted by flow cytometry.Finally tissue factor(TF) expression of SFCs or 4T1 were evaluated by western blot.RESULTS:Breast cancer cell line 4T1 could form spheres in serum-free medium at low adherence.Sphere-forming cells expressed high levels of the CD24-/lowCD44 + stem cell phenotype.Both sphere-forming cells or 4T1 were coated with abundant platelets while sphere-forming cells induced significantly higher expression of platelet activating receptor CD62 p than 4T1 did(P < 0.01).And sphere-forming cells induced platelets to produce more TGF-β1 than 4T1 did(P < 0.01).Furthermore,sample releases induced by sphere-forming cells caused more vigorous inhibition of NK cells antitumor reactivity(P < 0.05) and reduced NKG2 D expression(P < 0.01).The final results showed that sphere-forming cells expressed higher levels of TF than 4T1(P < 0.05).CONCLUSION:Our findings indicate that CSCs could efficiently activate platelets,induce platelets to secrete more TGF-β1,decrease NKG2 D expression and inhibit antitumor activity of NK cell,compared with 4T1.And higher levels of TF expression of CSCs may account for this correlation of CSCs and platelets.展开更多
文摘目的:探讨2型糖尿病(T2DM)伴肥胖患者采用司美格鲁肽联合达格列净治疗对胰岛素抵抗和炎症反应的影响。方法:选取2023年1—12月晋江市医院收治的共计90例T2DM伴肥胖患者,以随机数字表法分成研究组(n=45)与对照组(n=45),对照组给予达格列净治疗,研究组给予司美格鲁肽联合达格列净治疗,比较两组血糖水平、胰岛素抵抗、炎症反应、体重指数(BMI)、不良反应。结果:治疗后两组空腹血糖(FPG)、餐后2 h血糖(2 h PG)水平均较治疗前下降,研究组均较对照组更低,差异均有统计学意义(P<0.05);治疗后,两组胰岛素抵抗指数(HOMA-IR)均较治疗前下降,胰岛β细胞功能指数(HOMA-β)均较治疗前升高,研究组HOMA-IR较对照组更低,HOMA-β更高,差异均有统计学意义(P<0.05);治疗后两组C反应蛋白(CRP)、白细胞介素-6(IL-6)、肿瘤坏死因子-α(TNF-α)水平均较治疗前下降,研究组均较对照组更低,差异均有统计学意义(P<0.05);治疗后两组BMI均较治疗前下降,研究组较对照组更低,差异均有统计学意义(P<0.05);研究组(11.11%)与对照组(17.78%)不良反应发生率比较差异无统计学意义(P>0.05)。结论:司美格鲁肽联合达格列净应用于T2DM伴肥胖患者治疗中,能够降低血糖水平,改善胰岛素抵抗,缓解炎症反应,提高体重控制效果,安全性较高。
基金Supported by the National Natural Science Foundation of China(the Research of Traditional Chinese Medicien Regulating the Tumor Metastasis due to Cancer Stem Cell Related Expression of TF and TF/FⅦSignal Pathway Based on Traditional Chinese Mediceory of"Fu Du",No.81273947)the International S&T Cooperation Program Office of China(Herbal Medicine with Different Treatment Principles on Regulating the Biological Behaviour of Cancer Stem Cells and its Regulatory Factors,No.2013DFA32540)
文摘OBJECTIVE:To investigate whether cancer stem cells(CSCs) more efficiently activating platelets and evading immune surveillance than non-CSCs thus promoting metastasis.METHODS:We enriched and identified sphereforming cells(SFCs) and coincubated washed platelets with several platelet activators including collagen,4T1 and SFCs.Platelet-coating tumor cells,platelet activation and TGF-β1 release were analyzed.Then natural kell cells(NK) were incubated with supernatants of different activated platelet samples what we called sample release(SR).The degranulation assay and NKG2 D expression on NK cells were conducted by flow cytometry.Finally tissue factor(TF) expression of SFCs or 4T1 were evaluated by western blot.RESULTS:Breast cancer cell line 4T1 could form spheres in serum-free medium at low adherence.Sphere-forming cells expressed high levels of the CD24-/lowCD44 + stem cell phenotype.Both sphere-forming cells or 4T1 were coated with abundant platelets while sphere-forming cells induced significantly higher expression of platelet activating receptor CD62 p than 4T1 did(P < 0.01).And sphere-forming cells induced platelets to produce more TGF-β1 than 4T1 did(P < 0.01).Furthermore,sample releases induced by sphere-forming cells caused more vigorous inhibition of NK cells antitumor reactivity(P < 0.05) and reduced NKG2 D expression(P < 0.01).The final results showed that sphere-forming cells expressed higher levels of TF than 4T1(P < 0.05).CONCLUSION:Our findings indicate that CSCs could efficiently activate platelets,induce platelets to secrete more TGF-β1,decrease NKG2 D expression and inhibit antitumor activity of NK cell,compared with 4T1.And higher levels of TF expression of CSCs may account for this correlation of CSCs and platelets.