全球成人糖尿病患病率逐年递增,其中以2型糖尿病(diabetes mellitus type 2,T2DM)为主。T2DM是由胰岛素抵抗和胰岛素分泌不足引起的伴随糖、蛋白质和脂肪代谢紊乱的一种慢性疾病。创面愈合障碍是T2DM的主要并发症之一。研究表明T2DM患...全球成人糖尿病患病率逐年递增,其中以2型糖尿病(diabetes mellitus type 2,T2DM)为主。T2DM是由胰岛素抵抗和胰岛素分泌不足引起的伴随糖、蛋白质和脂肪代谢紊乱的一种慢性疾病。创面愈合障碍是T2DM的主要并发症之一。研究表明T2DM患者创面愈合受巨噬细胞调控,并与其表型、活性和数量相关。不同表型的巨噬细胞在T2DM创面愈合的各个阶段扮演不同角色:M1型巨噬细胞参与创伤早期的炎症反应和病原体清除,M2型巨噬细胞在创面愈合后期发挥抗炎症作用并介导创面修复。巨噬细胞表型转换障碍影响创面炎症反应、皮肤细胞功能和细胞外基质(extracellular matrix,ECM)合成等过程,最终导致愈合障碍。目前,巨噬细胞代谢改变与表型转换之间的相互作用机制研究取得了显著进展,且这种动态关联可能通过协同调控参与T2DM创面的愈合进程。该文总结巨噬细胞在正常创面愈合与T2DM患者创面愈合中的功能特点,就病理环境下巨噬细胞糖代谢、脂质代谢和氨基酸代谢变化及这些变化对创面愈合的调控作用展开综述,并讨论靶向巨噬细胞代谢治疗创面愈合的应用前景。展开更多
Started from the liver targeting compounds（glycyrrhizin,glycyrrhetinicacid,bile acid）,six（amine-terminated） compounds were prepared via two-step reactions.The NMR experiments provided the direct evidence of the ex...Started from the liver targeting compounds（glycyrrhizin,glycyrrhetinicacid,bile acid）,six（amine-terminated） compounds were prepared via two-step reactions.The NMR experiments provided the direct evidence of the existence of amide.The polymers were synthesized by polymerizing of BLG-NCA initiated by each of six amine-terminated compounds.The liver targeting group was introduced to the main chain of the polymer.The molecular weight of the resultant polymers was adjusted by changing the molar ratio of monomer BLG-NCA to initiator.The product structure was characterized by GPC,FTIR and（）1H NMR.The results demonstrate that amine-terminated compounds containing liver targeting group could initiate the polymerization of BLG-NCA.展开更多
文摘全球成人糖尿病患病率逐年递增,其中以2型糖尿病(diabetes mellitus type 2,T2DM)为主。T2DM是由胰岛素抵抗和胰岛素分泌不足引起的伴随糖、蛋白质和脂肪代谢紊乱的一种慢性疾病。创面愈合障碍是T2DM的主要并发症之一。研究表明T2DM患者创面愈合受巨噬细胞调控,并与其表型、活性和数量相关。不同表型的巨噬细胞在T2DM创面愈合的各个阶段扮演不同角色:M1型巨噬细胞参与创伤早期的炎症反应和病原体清除,M2型巨噬细胞在创面愈合后期发挥抗炎症作用并介导创面修复。巨噬细胞表型转换障碍影响创面炎症反应、皮肤细胞功能和细胞外基质(extracellular matrix,ECM)合成等过程,最终导致愈合障碍。目前,巨噬细胞代谢改变与表型转换之间的相互作用机制研究取得了显著进展,且这种动态关联可能通过协同调控参与T2DM创面的愈合进程。该文总结巨噬细胞在正常创面愈合与T2DM患者创面愈合中的功能特点,就病理环境下巨噬细胞糖代谢、脂质代谢和氨基酸代谢变化及这些变化对创面愈合的调控作用展开综述,并讨论靶向巨噬细胞代谢治疗创面愈合的应用前景。
文摘Started from the liver targeting compounds（glycyrrhizin,glycyrrhetinicacid,bile acid）,six（amine-terminated） compounds were prepared via two-step reactions.The NMR experiments provided the direct evidence of the existence of amide.The polymers were synthesized by polymerizing of BLG-NCA initiated by each of six amine-terminated compounds.The liver targeting group was introduced to the main chain of the polymer.The molecular weight of the resultant polymers was adjusted by changing the molar ratio of monomer BLG-NCA to initiator.The product structure was characterized by GPC,FTIR and（）1H NMR.The results demonstrate that amine-terminated compounds containing liver targeting group could initiate the polymerization of BLG-NCA.
