目的探讨维生素D滴剂联合门冬胰岛素治疗妊娠期糖尿病(GDM)的临床疗效以及对患者血清1,25-二羟维生素D3[1,25(OH)_(2)D_(3)]、视黄醇结合蛋白4(RBP4)水平的影响。方法选取保定市第二中心医院2019年3月至2021年3月收治的94例GDM患者,使...目的探讨维生素D滴剂联合门冬胰岛素治疗妊娠期糖尿病(GDM)的临床疗效以及对患者血清1,25-二羟维生素D3[1,25(OH)_(2)D_(3)]、视黄醇结合蛋白4(RBP4)水平的影响。方法选取保定市第二中心医院2019年3月至2021年3月收治的94例GDM患者,使用随机数字表法将其分成观察组与对照组各47例。其中对照组皮下注射门冬胰岛素治疗,在此基础上,观察组口服维生素D滴剂治疗。连续治疗4周后观察两组血糖控制效果和不良反应情况。比较治疗前后两组糖代谢指标[空腹血糖(FPG)、餐后2 h血糖(2 h PG)、胰岛素抵抗指数(HOMA-IR)和胰岛β细胞功能指数(HOMA-β)]及血清1,25(OH)_(2)D_(3)、RBP4、脂蛋白相关磷脂酶A2(Lp-PLA2)和血管细胞黏附分子-1(VCAM-1)水平。所有患者均随访至妊娠结束,统计两组母婴不良结局情况。结果观察组FPG和2 h PG的达标时间及两者全部达标的时间均显著短于对照组(均P<0.05)。观察组黎明现象、低血糖发生率与对照组比较差异无统计学意义(均P>0.05)。两组治疗后FPG、2 h PG较治疗前均显著降低(均P<0.05);但治疗后,组间比较差异无统计学意义(均P>0.05)。与治疗前对比,两组治疗后HOMA-IR均显著下降(均P<0.05),HOMA-β则均显著升高(均P<0.05);且均以观察组改善更显著(均P<0.05)。观察组治疗后血清1,25(OH)_(2)D_(3)水平较治疗前显著上升(P<0.05),但对照组治疗前后无明显改变(P>0.05)。两组治疗后血清RBP4、Lp-PLA2和VCAM-1水平较治疗前均显著下降(均P<0.05);且治疗后,观察组血清RBP4、Lp-PLA2和VCAM-1水平低于对照组(均P<0.05)。观察组产妇不良结局及新生儿不良结局发生率分别为14.9%(7/47)、10.6%(5/47),均低于对照组[34.0%(16/47)、27.7%(13/47)](均P<0.05)。94例患者中出现8例低血糖(观察组3例,对照组5例),无其他不良事件发生。结论维生素D滴剂联合门冬胰岛素治疗GDM能安全、有效、快速且平稳地控制患者血糖,改善IR及胰岛β细胞功能,降低母婴不良结局发生率,其作用可能与升高血清1,25(OH)_(2)D_(3)水平及下调血清RBP4、Lp-PLA2和VCAM-1的表达水平有关。展开更多
目的探讨1,25-二羟维生素D3(1,25-dihydroxyvitamin D3,1,25(OH)2D3)对哮喘大鼠支气管肺泡灌洗液(bronchoalveolar lavage fuluid,BALF)中维生素D上调蛋白1(vitamin D up-regulated protein 1,VDUP1)和硫氧还蛋白(thioredoxin,TRX)表达...目的探讨1,25-二羟维生素D3(1,25-dihydroxyvitamin D3,1,25(OH)2D3)对哮喘大鼠支气管肺泡灌洗液(bronchoalveolar lavage fuluid,BALF)中维生素D上调蛋白1(vitamin D up-regulated protein 1,VDUP1)和硫氧还蛋白(thioredoxin,TRX)表达及气道炎症的影响。方法将28只Wistar大鼠随机分为4组,以卵白蛋白(ovalbumin,OVA)诱导哮喘发作,并给予1,25(OH)2D3和地塞米松干预,同时设对照组。测定BALF中IL-4和IL-10水平,细胞总数和肺组织病理变化。同时提取7只哮喘模型大鼠BALF中的巨噬细胞,体外给予1,25(OH)2D3干预。用逆转录-聚合酶链反应检测肺组织及BALF中巨噬细胞表达VDUP1和TRX的水平。结果 1,25(OH)2D3治疗组BALF中细胞总数及嗜酸粒细胞计数和IL-4水平降低,IL-10水平增高。肺组织及肺泡巨噬细胞中VDUP1和TRX表达增加。结论给予哮喘大鼠1,25(OH)2D3可抑制气道炎症,增加TRX和VDUP1的表达,两者可作为哮喘氧化应激的监测指标。展开更多
Objective To study the effect of 1,25 dihydroxyvitamin D 3 (1,25(OH) 2D 3) on the growth and apoptosis of breast cancer cell line MCF 7 Methods Cell number was determined using the MTT method Flow cytometric...Objective To study the effect of 1,25 dihydroxyvitamin D 3 (1,25(OH) 2D 3) on the growth and apoptosis of breast cancer cell line MCF 7 Methods Cell number was determined using the MTT method Flow cytometric analysis was performed on cell cycles, and the percentage of apoptosis was counted Apoptotic cells were quantified by terminal deoxynucleotidyl transferase mediated dUTP nick end labeling (TUNEL), and bcl 2 protein expression was estimated with Western blotting Results After incubation with 1,25(OH) 2D 3 10 7 mol/L for 48 hours, MCF 7 cells exhibited significant growth in a dose and time dependent manner Flow cytometric analysis indicated that cell numbers in G 0/G 1 increased along with increasing apoptotic peak and percentage With microscope and electron microscope observation, characteristics of apoptosis such as typical apoptotic bodies were commonly found TUNEL also showed that 1,25(OH) 2D 3 10 8 mol/L and 10 7 mol/L groups had significantly high apoptosis percentage than control group with dose dependence on induction apoptosis And Western blot showed that 1,25(OH) 2D 3 10 8 mol/L could down regulate bcl 2 protein and 10 7 mol/L could almost block bcl 2 protein expression Conclusions 1,25(OH) 2D 3 can inhibit cell growth with G 0/G 1 arrest, enhance the proliferation inhibition action of adriamycin, and induce apoptosis which may result from the down regulation of the anti apoptotic bcl 2 protein展开更多
文摘目的探讨维生素D滴剂联合门冬胰岛素治疗妊娠期糖尿病(GDM)的临床疗效以及对患者血清1,25-二羟维生素D3[1,25(OH)_(2)D_(3)]、视黄醇结合蛋白4(RBP4)水平的影响。方法选取保定市第二中心医院2019年3月至2021年3月收治的94例GDM患者,使用随机数字表法将其分成观察组与对照组各47例。其中对照组皮下注射门冬胰岛素治疗,在此基础上,观察组口服维生素D滴剂治疗。连续治疗4周后观察两组血糖控制效果和不良反应情况。比较治疗前后两组糖代谢指标[空腹血糖(FPG)、餐后2 h血糖(2 h PG)、胰岛素抵抗指数(HOMA-IR)和胰岛β细胞功能指数(HOMA-β)]及血清1,25(OH)_(2)D_(3)、RBP4、脂蛋白相关磷脂酶A2(Lp-PLA2)和血管细胞黏附分子-1(VCAM-1)水平。所有患者均随访至妊娠结束,统计两组母婴不良结局情况。结果观察组FPG和2 h PG的达标时间及两者全部达标的时间均显著短于对照组(均P<0.05)。观察组黎明现象、低血糖发生率与对照组比较差异无统计学意义(均P>0.05)。两组治疗后FPG、2 h PG较治疗前均显著降低(均P<0.05);但治疗后,组间比较差异无统计学意义(均P>0.05)。与治疗前对比,两组治疗后HOMA-IR均显著下降(均P<0.05),HOMA-β则均显著升高(均P<0.05);且均以观察组改善更显著(均P<0.05)。观察组治疗后血清1,25(OH)_(2)D_(3)水平较治疗前显著上升(P<0.05),但对照组治疗前后无明显改变(P>0.05)。两组治疗后血清RBP4、Lp-PLA2和VCAM-1水平较治疗前均显著下降(均P<0.05);且治疗后,观察组血清RBP4、Lp-PLA2和VCAM-1水平低于对照组(均P<0.05)。观察组产妇不良结局及新生儿不良结局发生率分别为14.9%(7/47)、10.6%(5/47),均低于对照组[34.0%(16/47)、27.7%(13/47)](均P<0.05)。94例患者中出现8例低血糖(观察组3例,对照组5例),无其他不良事件发生。结论维生素D滴剂联合门冬胰岛素治疗GDM能安全、有效、快速且平稳地控制患者血糖,改善IR及胰岛β细胞功能,降低母婴不良结局发生率,其作用可能与升高血清1,25(OH)_(2)D_(3)水平及下调血清RBP4、Lp-PLA2和VCAM-1的表达水平有关。
文摘目的探讨1,25-二羟维生素D3(1,25-dihydroxyvitamin D3,1,25(OH)2D3)对哮喘大鼠支气管肺泡灌洗液(bronchoalveolar lavage fuluid,BALF)中维生素D上调蛋白1(vitamin D up-regulated protein 1,VDUP1)和硫氧还蛋白(thioredoxin,TRX)表达及气道炎症的影响。方法将28只Wistar大鼠随机分为4组,以卵白蛋白(ovalbumin,OVA)诱导哮喘发作,并给予1,25(OH)2D3和地塞米松干预,同时设对照组。测定BALF中IL-4和IL-10水平,细胞总数和肺组织病理变化。同时提取7只哮喘模型大鼠BALF中的巨噬细胞,体外给予1,25(OH)2D3干预。用逆转录-聚合酶链反应检测肺组织及BALF中巨噬细胞表达VDUP1和TRX的水平。结果 1,25(OH)2D3治疗组BALF中细胞总数及嗜酸粒细胞计数和IL-4水平降低,IL-10水平增高。肺组织及肺泡巨噬细胞中VDUP1和TRX表达增加。结论给予哮喘大鼠1,25(OH)2D3可抑制气道炎症,增加TRX和VDUP1的表达,两者可作为哮喘氧化应激的监测指标。
文摘Objective To study the effect of 1,25 dihydroxyvitamin D 3 (1,25(OH) 2D 3) on the growth and apoptosis of breast cancer cell line MCF 7 Methods Cell number was determined using the MTT method Flow cytometric analysis was performed on cell cycles, and the percentage of apoptosis was counted Apoptotic cells were quantified by terminal deoxynucleotidyl transferase mediated dUTP nick end labeling (TUNEL), and bcl 2 protein expression was estimated with Western blotting Results After incubation with 1,25(OH) 2D 3 10 7 mol/L for 48 hours, MCF 7 cells exhibited significant growth in a dose and time dependent manner Flow cytometric analysis indicated that cell numbers in G 0/G 1 increased along with increasing apoptotic peak and percentage With microscope and electron microscope observation, characteristics of apoptosis such as typical apoptotic bodies were commonly found TUNEL also showed that 1,25(OH) 2D 3 10 8 mol/L and 10 7 mol/L groups had significantly high apoptosis percentage than control group with dose dependence on induction apoptosis And Western blot showed that 1,25(OH) 2D 3 10 8 mol/L could down regulate bcl 2 protein and 10 7 mol/L could almost block bcl 2 protein expression Conclusions 1,25(OH) 2D 3 can inhibit cell growth with G 0/G 1 arrest, enhance the proliferation inhibition action of adriamycin, and induce apoptosis which may result from the down regulation of the anti apoptotic bcl 2 protein