BACKGROUND In 2016,the Food and Drug Administration approved the first hybrid closed-loop(HCL)insulin delivery system for adults with type 1 diabetes(T1D).There is limited information on the impact of using HCL system...BACKGROUND In 2016,the Food and Drug Administration approved the first hybrid closed-loop(HCL)insulin delivery system for adults with type 1 diabetes(T1D).There is limited information on the impact of using HCL systems on patient-reported outcomes(PROs)in patients with T1D in real-world clinical practice.In this independent study,we evaluated glycemic parameters and PROs over one year of continuous use of Medtronic’s 670G HCL in real-world clinical practice.AIM To assess the effects of hybrid closed loop system on glycemic control and quality of life in adults with T1D.METHODS We evaluated 71 patients with T1D(mean age:45.5±12.1 years;59%females;body weight:83.8±18.7 kg,body mass index:28.7±5.6 kg/m2,A1C:7.6%±0.8%)who were treated with HCL at Joslin Clinic from 2017 to 2019.We measured A1C and percent of glucose time-in-range(%TIR)at baseline and 12 months.We measured percent time in auto mode(%TiAM)for the last two weeks preceding the final visit and assessed PROs through several validated quality-of-life surveys related to general health and diabetes management.RESULTS At 12 mo,A1C decreased by 0.3%±0.1%(P=0.001)and%TIR increased by 8.1%±2.5%(P=0.002).The average%TiAM was only 64.3%±32.8%and was not associated with A1C,%TIR or PROs.PROs,provided at baseline and at the end of the study,showed that the physical functioning submodule of 36Item Short-Form Health Survey increased significantly by 22.9%(P<0.001).Hypoglycemia fear survey/worry scale decreased significantly by 24.9%(P<0.000);Problem Areas In Diabetes reduced significantly by-17.2%(P=0.002).The emotional burden submodules of dietary diversity score reduced significantly by-44.7%(P=0.001).Furthermore,analysis of Clarke questionnaire showed no increase in awareness of hypoglycemic episodes.WHO-5 showed no improvements in subject’s wellbeing among participants after starting the 670G HCL system.Finally,analysis of Pittsburgh Sleep Quality Index showed no difference in sleep quality,sleep latency,or duration of sleep from baseline to 12 mo.CONCLUSION The use of HCL in real-world clinical practice for one year was associated with significant improvements in A1C,%TIR,physical functioning,hypoglycemia fear,emotional distress,and emotional burden related to diabetes management.However,these changes were not associated with time in auto mode.展开更多
Previous studies have confirmed the relationship between iron-dependent ferroptosis and a peripheral nerve injury-induced neuropathic pain model.However,the role of fe rroptosis in inflammatory pain remains inconclusi...Previous studies have confirmed the relationship between iron-dependent ferroptosis and a peripheral nerve injury-induced neuropathic pain model.However,the role of fe rroptosis in inflammatory pain remains inconclusive.Therefore,we aimed to explore whether ferroptosis in the spinal cord and do rsal root ganglion contributes to complete Freund's adjuvant(CFA)-induced painful behaviors in rats.Our results revealed that various biochemical and morphological changes were associated with ferroptosis in the spinal cord and dorsal root ganglion tissues of CFA rats.These changes included iron overload,enhanced lipid peroxidation,disorders of anti-acyl-coenzyme A synthetase long-chain family member 4 and glutathione peroxidase 4 levels,and abnormal morphological changes in mitochondria.Intrathecal treatment of liproxstatin-1(a ferroptosis inhibitor)reve rsed these ferroptosis-related changes and alleviated mechanical and thermal hype rsensitivities in CFA rats.Our study demonstrated the occurrence of fe rroptosis in the spinal cord and do rsal root ganglion tissues in a rodent model of inflammatory pain and indicated that intrathecal administration of fe rroptosis inhibitors,such as liproxstatin-1,is a potential therapeutic strategy for treating inflammatory pain.展开更多
为了探究Sdf1-Cxcr4信号在斑马鱼(Danio rerio)后侧线系统(Posterior lateral line system,PLLs)发育中的作用,本研究首先通过原位杂交发现斑马鱼cxcr4b在迁移的侧线原基-Ⅰ和原基-Ⅱ中表达,sdf1a在原基迁移路径上表达。进一步构建了由...为了探究Sdf1-Cxcr4信号在斑马鱼(Danio rerio)后侧线系统(Posterior lateral line system,PLLs)发育中的作用,本研究首先通过原位杂交发现斑马鱼cxcr4b在迁移的侧线原基-Ⅰ和原基-Ⅱ中表达,sdf1a在原基迁移路径上表达。进一步构建了由热激启动子控制的cxcr7b过表达转基因斑马鱼,在不同时间点过表达cxcr7b抑制Sdf1-Cxcr4信号。结果表明:相较于野生型斑马鱼,过表达cxcr7b的斑马鱼的原基-Ⅰ和原基-Ⅱ的迁移明显减慢。但体侧中线神经丘的腹部迁移、间生和针脚神经丘的形成不受过表达cxcr7b的影响。本研究为理解鱼类侧线系统发育调控和多样性产生奠定基础。展开更多
文摘BACKGROUND In 2016,the Food and Drug Administration approved the first hybrid closed-loop(HCL)insulin delivery system for adults with type 1 diabetes(T1D).There is limited information on the impact of using HCL systems on patient-reported outcomes(PROs)in patients with T1D in real-world clinical practice.In this independent study,we evaluated glycemic parameters and PROs over one year of continuous use of Medtronic’s 670G HCL in real-world clinical practice.AIM To assess the effects of hybrid closed loop system on glycemic control and quality of life in adults with T1D.METHODS We evaluated 71 patients with T1D(mean age:45.5±12.1 years;59%females;body weight:83.8±18.7 kg,body mass index:28.7±5.6 kg/m2,A1C:7.6%±0.8%)who were treated with HCL at Joslin Clinic from 2017 to 2019.We measured A1C and percent of glucose time-in-range(%TIR)at baseline and 12 months.We measured percent time in auto mode(%TiAM)for the last two weeks preceding the final visit and assessed PROs through several validated quality-of-life surveys related to general health and diabetes management.RESULTS At 12 mo,A1C decreased by 0.3%±0.1%(P=0.001)and%TIR increased by 8.1%±2.5%(P=0.002).The average%TiAM was only 64.3%±32.8%and was not associated with A1C,%TIR or PROs.PROs,provided at baseline and at the end of the study,showed that the physical functioning submodule of 36Item Short-Form Health Survey increased significantly by 22.9%(P<0.001).Hypoglycemia fear survey/worry scale decreased significantly by 24.9%(P<0.000);Problem Areas In Diabetes reduced significantly by-17.2%(P=0.002).The emotional burden submodules of dietary diversity score reduced significantly by-44.7%(P=0.001).Furthermore,analysis of Clarke questionnaire showed no increase in awareness of hypoglycemic episodes.WHO-5 showed no improvements in subject’s wellbeing among participants after starting the 670G HCL system.Finally,analysis of Pittsburgh Sleep Quality Index showed no difference in sleep quality,sleep latency,or duration of sleep from baseline to 12 mo.CONCLUSION The use of HCL in real-world clinical practice for one year was associated with significant improvements in A1C,%TIR,physical functioning,hypoglycemia fear,emotional distress,and emotional burden related to diabetes management.However,these changes were not associated with time in auto mode.
基金supported by the Basic and Applied Basic Research Foundation of Guangdong Province,No.2021A1515220081(to XL)。
文摘Previous studies have confirmed the relationship between iron-dependent ferroptosis and a peripheral nerve injury-induced neuropathic pain model.However,the role of fe rroptosis in inflammatory pain remains inconclusive.Therefore,we aimed to explore whether ferroptosis in the spinal cord and do rsal root ganglion contributes to complete Freund's adjuvant(CFA)-induced painful behaviors in rats.Our results revealed that various biochemical and morphological changes were associated with ferroptosis in the spinal cord and dorsal root ganglion tissues of CFA rats.These changes included iron overload,enhanced lipid peroxidation,disorders of anti-acyl-coenzyme A synthetase long-chain family member 4 and glutathione peroxidase 4 levels,and abnormal morphological changes in mitochondria.Intrathecal treatment of liproxstatin-1(a ferroptosis inhibitor)reve rsed these ferroptosis-related changes and alleviated mechanical and thermal hype rsensitivities in CFA rats.Our study demonstrated the occurrence of fe rroptosis in the spinal cord and do rsal root ganglion tissues in a rodent model of inflammatory pain and indicated that intrathecal administration of fe rroptosis inhibitors,such as liproxstatin-1,is a potential therapeutic strategy for treating inflammatory pain.
文摘为了探究Sdf1-Cxcr4信号在斑马鱼(Danio rerio)后侧线系统(Posterior lateral line system,PLLs)发育中的作用,本研究首先通过原位杂交发现斑马鱼cxcr4b在迁移的侧线原基-Ⅰ和原基-Ⅱ中表达,sdf1a在原基迁移路径上表达。进一步构建了由热激启动子控制的cxcr7b过表达转基因斑马鱼,在不同时间点过表达cxcr7b抑制Sdf1-Cxcr4信号。结果表明:相较于野生型斑马鱼,过表达cxcr7b的斑马鱼的原基-Ⅰ和原基-Ⅱ的迁移明显减慢。但体侧中线神经丘的腹部迁移、间生和针脚神经丘的形成不受过表达cxcr7b的影响。本研究为理解鱼类侧线系统发育调控和多样性产生奠定基础。
