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
目的:探讨低强度激光(LILT)对正畸牙齿移动的疗效及龈沟液白细胞介素-1β(IL-1β),核因子κB受体激活剂配体(RANKL)和骨保护素(OPG)水平的影响。方法:纳入正畸治疗患者60例,随机分为试验组和对照组各30例,对照组使用牙齿正畸治疗,实验...目的:探讨低强度激光(LILT)对正畸牙齿移动的疗效及龈沟液白细胞介素-1β(IL-1β),核因子κB受体激活剂配体(RANKL)和骨保护素(OPG)水平的影响。方法:纳入正畸治疗患者60例,随机分为试验组和对照组各30例,对照组使用牙齿正畸治疗,实验组加用LILT治疗。比较治疗后牙齿累积移动距离(CMD)和平均回缩速度(ARS),以及不同时间段疼痛VAS评分和龈沟液IL-1β,RANKL和OPG水平。结果:试验组7、14、21 d,28 d牙齿CMD均大于对照组(P<0.05),7、14和21 d ARS均高于对照组(P<0.05),治疗后4、24 h,7、14、21 d VAS评分均低于对照组(P<0.05),7 d OPG低于对照组,7、14和21 d RANKL高于对照组,21 d和28 d IL-1β高于对照组,7 d RANKL/OPG比率高于对照组(均P<0.05)。结论:LILT可通过影响骨代谢加速正畸牙齿的移动,并缓解治疗过程中的牙齿疼痛与牙周炎症。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.
文摘目的:探讨低强度激光(LILT)对正畸牙齿移动的疗效及龈沟液白细胞介素-1β(IL-1β),核因子κB受体激活剂配体(RANKL)和骨保护素(OPG)水平的影响。方法:纳入正畸治疗患者60例,随机分为试验组和对照组各30例,对照组使用牙齿正畸治疗,实验组加用LILT治疗。比较治疗后牙齿累积移动距离(CMD)和平均回缩速度(ARS),以及不同时间段疼痛VAS评分和龈沟液IL-1β,RANKL和OPG水平。结果:试验组7、14、21 d,28 d牙齿CMD均大于对照组(P<0.05),7、14和21 d ARS均高于对照组(P<0.05),治疗后4、24 h,7、14、21 d VAS评分均低于对照组(P<0.05),7 d OPG低于对照组,7、14和21 d RANKL高于对照组,21 d和28 d IL-1β高于对照组,7 d RANKL/OPG比率高于对照组(均P<0.05)。结论:LILT可通过影响骨代谢加速正畸牙齿的移动,并缓解治疗过程中的牙齿疼痛与牙周炎症。
