Objective:The objective of this study was to investigate the alterations and potential implications of the Osteoprotegerin(OPG)/Receptor Activator of Nuclear Factor-kappa B Ligand(RANKL)/Receptor Activator of Nuclear ...Objective:The objective of this study was to investigate the alterations and potential implications of the Osteoprotegerin(OPG)/Receptor Activator of Nuclear Factor-kappa B Ligand(RANKL)/Receptor Activator of Nuclear Factor-kappa B(RANK)signaling pathway factors in a murine model of sepsis-associated acute kidney injury(SA-AKI).This research aimed to offer novel insights into the mechanistic exploration of SA-AKI.Methods:The SA-AKI model group(CLP group)was established through cecal ligation and puncture surgery(CLP),while the control group consisted of sham-operated animals(Sham group)subjected only to laparotomy without cecal ligation and puncture.Blood samples were collected 24 h post-surgery,and murine kidney tissues were harvested upon euthanasia.Serum levels of Serum Creatinine(Scr)and Blood Urea Nitrogen(BUN)were quantified using assay kits.Furthermore,serum levels of interleukin-6(IL-6),tumor necrosis factor-alpha(TNF-α),and interleukin-1 beta(IL-1β)were assessed through enzyme-linked immunosorbent assay(ELISA).Renal tissue pathological alterations were examined employing hematoxylin-eosin staining(HE),and the mRNA and protein levels of OPG,RANKL,and RANK in murine kidney tissues were determined via reverse transcription-quantitative polymerase chain reaction(RT-qPCR)and Western blotting.Results:Comparative analysis revealed that,in comparison to the Sham group,the CLP group demonstrated a significant elevation in the levels of Scr,BUN,IL-6,TNF-α,and IL-1β,with statistically significant disparities(all P<0.05).Histopathological examination of the CLP group's kidneys unveiled glomerular congestion,edema,partial ischemic wrinkling,enlargement of interstitial spaces,the presence of necrotic epithelial cells in select renal tubules,tubular luminal dilation,varying degrees of interstitial edema,and infiltration by a limited number of inflammatory cells.In parallel,relative to the Sham group,the CLP group exhibited substantial upregulation in mRNA expression of OPG and RANK in renal tissues,while RANKL mRNA expression experienced marked downregulation,with statistically significant distinctions(all P<0.05).Moreover,in comparison with the Sham group,the CLP group demonstrated an elevation in protein expression of OPG and RANK in kidney tissues,whereas RANKL protein expression displayed significant downregulation,with statistically significant differences(all P<0.05).Conclusion:In a murine sepsis model,augmented expression of OPG and RANK,coupled with diminished RANKL expression,suggests the potential involvement of the OPG/RANKL/RANK signaling pathway in the pathophysiological progression of SA-AKI.展开更多
从肝肾同源理论的应用出发,结合骨保护素(osteoprotegerin,OPG)/核因子受体活化因子NF-κB配体(receptor activator of NF-κB ligand,RANKL)/NF-κB受体活化因子(receptor activator for NF-κB,RANK)信号系统在骨代谢中的调控机制,阐...从肝肾同源理论的应用出发,结合骨保护素(osteoprotegerin,OPG)/核因子受体活化因子NF-κB配体(receptor activator of NF-κB ligand,RANKL)/NF-κB受体活化因子(receptor activator for NF-κB,RANK)信号系统在骨代谢中的调控机制,阐释肝肾同源理论应用于临床的客观分子生物学依据,更好地指导临床。展开更多
背景:研究表明,骨保护素/核因子κB受体活化因子配体/核因子κB受体活化因子(OPG/RANKL/RANK)信号通路与骨巨细胞瘤发病机制之间有一定的相关性,通过控制OPG/RANKL/RANK信号通路影响成骨细胞与破骨细胞之间相互作用,对该病起到一定的治...背景:研究表明,骨保护素/核因子κB受体活化因子配体/核因子κB受体活化因子(OPG/RANKL/RANK)信号通路与骨巨细胞瘤发病机制之间有一定的相关性,通过控制OPG/RANKL/RANK信号通路影响成骨细胞与破骨细胞之间相互作用,对该病起到一定的治疗作用。目的:介绍OPG/RANKL/RANK信号通路与骨巨细胞瘤发病机制的关系,总结并讨论OPG/RANKL/RANK信号通路在骨巨细胞瘤发病机制中的最新研究进展。方法:检索PubMed数据库、Web of science数据库及万方数据库中2001至2019年相关文献,检索词分别为“OPG/RANKL/RANK,giant cell tumor of bone,pathogenesis,signal pathway,bone metabolism,OPG/RANK/RANKL,骨巨细胞瘤,发病机制,信号通路,骨代谢”。排除较陈旧及重复的文献,通过整理,共纳入53篇文献进行分析探讨。结果与结论:①骨保护素抑制破骨细胞增殖及分化,降低成熟破骨细胞活性,阻断核因子κB受体活化因子配体与核因子κB受体活化因子结合,减缓破骨;②核因子κB受体活化因子配体与破骨细胞前体细胞表面的核因子κB受体活化因子结合,促进破骨细胞前体细胞分化,增殖,进而加速破骨;③核因子κB受体活化因子配体与其受体结合后,激活核因子κB等信号因子促进破骨细胞的增殖、分化并激活破骨细胞,同时调节相关基因的转录及表达;④OPG/RANK/RANKL与骨巨细胞瘤发病机制相关。展开更多
基金Natural Science Foundation of Xinjiang Uygur Autonomous Region(No.2022D01C604)。
文摘Objective:The objective of this study was to investigate the alterations and potential implications of the Osteoprotegerin(OPG)/Receptor Activator of Nuclear Factor-kappa B Ligand(RANKL)/Receptor Activator of Nuclear Factor-kappa B(RANK)signaling pathway factors in a murine model of sepsis-associated acute kidney injury(SA-AKI).This research aimed to offer novel insights into the mechanistic exploration of SA-AKI.Methods:The SA-AKI model group(CLP group)was established through cecal ligation and puncture surgery(CLP),while the control group consisted of sham-operated animals(Sham group)subjected only to laparotomy without cecal ligation and puncture.Blood samples were collected 24 h post-surgery,and murine kidney tissues were harvested upon euthanasia.Serum levels of Serum Creatinine(Scr)and Blood Urea Nitrogen(BUN)were quantified using assay kits.Furthermore,serum levels of interleukin-6(IL-6),tumor necrosis factor-alpha(TNF-α),and interleukin-1 beta(IL-1β)were assessed through enzyme-linked immunosorbent assay(ELISA).Renal tissue pathological alterations were examined employing hematoxylin-eosin staining(HE),and the mRNA and protein levels of OPG,RANKL,and RANK in murine kidney tissues were determined via reverse transcription-quantitative polymerase chain reaction(RT-qPCR)and Western blotting.Results:Comparative analysis revealed that,in comparison to the Sham group,the CLP group demonstrated a significant elevation in the levels of Scr,BUN,IL-6,TNF-α,and IL-1β,with statistically significant disparities(all P<0.05).Histopathological examination of the CLP group's kidneys unveiled glomerular congestion,edema,partial ischemic wrinkling,enlargement of interstitial spaces,the presence of necrotic epithelial cells in select renal tubules,tubular luminal dilation,varying degrees of interstitial edema,and infiltration by a limited number of inflammatory cells.In parallel,relative to the Sham group,the CLP group exhibited substantial upregulation in mRNA expression of OPG and RANK in renal tissues,while RANKL mRNA expression experienced marked downregulation,with statistically significant distinctions(all P<0.05).Moreover,in comparison with the Sham group,the CLP group demonstrated an elevation in protein expression of OPG and RANK in kidney tissues,whereas RANKL protein expression displayed significant downregulation,with statistically significant differences(all P<0.05).Conclusion:In a murine sepsis model,augmented expression of OPG and RANK,coupled with diminished RANKL expression,suggests the potential involvement of the OPG/RANKL/RANK signaling pathway in the pathophysiological progression of SA-AKI.
文摘从肝肾同源理论的应用出发,结合骨保护素(osteoprotegerin,OPG)/核因子受体活化因子NF-κB配体(receptor activator of NF-κB ligand,RANKL)/NF-κB受体活化因子(receptor activator for NF-κB,RANK)信号系统在骨代谢中的调控机制,阐释肝肾同源理论应用于临床的客观分子生物学依据,更好地指导临床。
文摘背景:研究表明,骨保护素/核因子κB受体活化因子配体/核因子κB受体活化因子(OPG/RANKL/RANK)信号通路与骨巨细胞瘤发病机制之间有一定的相关性,通过控制OPG/RANKL/RANK信号通路影响成骨细胞与破骨细胞之间相互作用,对该病起到一定的治疗作用。目的:介绍OPG/RANKL/RANK信号通路与骨巨细胞瘤发病机制的关系,总结并讨论OPG/RANKL/RANK信号通路在骨巨细胞瘤发病机制中的最新研究进展。方法:检索PubMed数据库、Web of science数据库及万方数据库中2001至2019年相关文献,检索词分别为“OPG/RANKL/RANK,giant cell tumor of bone,pathogenesis,signal pathway,bone metabolism,OPG/RANK/RANKL,骨巨细胞瘤,发病机制,信号通路,骨代谢”。排除较陈旧及重复的文献,通过整理,共纳入53篇文献进行分析探讨。结果与结论:①骨保护素抑制破骨细胞增殖及分化,降低成熟破骨细胞活性,阻断核因子κB受体活化因子配体与核因子κB受体活化因子结合,减缓破骨;②核因子κB受体活化因子配体与破骨细胞前体细胞表面的核因子κB受体活化因子结合,促进破骨细胞前体细胞分化,增殖,进而加速破骨;③核因子κB受体活化因子配体与其受体结合后,激活核因子κB等信号因子促进破骨细胞的增殖、分化并激活破骨细胞,同时调节相关基因的转录及表达;④OPG/RANK/RANKL与骨巨细胞瘤发病机制相关。
