Dong M,Yu X,Chen W,et a1.Osteopontinpromotes bone destruction in periapieal periodontitisby activating the NF—κB pathway.Cell PhysiolBiochem,2018,49:3.目的:根尖周炎由细菌感染引起.导致牙槽骨破坏和牙脱落。骨桥蛋白(OPN...Dong M,Yu X,Chen W,et a1.Osteopontinpromotes bone destruction in periapieal periodontitisby activating the NF—κB pathway.Cell PhysiolBiochem,2018,49:3.目的:根尖周炎由细菌感染引起.导致牙槽骨破坏和牙脱落。骨桥蛋白(OPN)是一种磷酸化糖蛋白.参与骨代谢。方法:对33例慢性根尖周炎患者和10例因正畸切除健康牙体组织(对照)的患者进行研究.建立小鼠根尖周炎动物模型进行体内实验.分析OPN与根尖周炎中骨质破坏的关系。在体外培养成骨细胞和破骨细胞并用脂多糖处理。NF—κB的抑制剂用于预处理转染的细胞。结果:OPN增加破骨细胞增殖和分化,但减少成骨细胞增殖和分化。OPN在根尖周炎期间激活NF—KB通路.加速P65从细胞质向细胞核的转移和磷酸化。结论:OPN在根尖周炎的发展过程中发挥重要作用.并且在根尖周炎期间骨关节代谢中起双重作用.将破骨细胞与成骨细胞联系起来。其潜在的机制可能与NF—κB途径有关。展开更多
Background The World Health Organization and European Organization for Research and Treatment of Cancer （WHOEORTC） classification in 2005 promoted the comparisons of primary cutaneous lymphoma （PCL） subtypes betwe...Background The World Health Organization and European Organization for Research and Treatment of Cancer （WHOEORTC） classification in 2005 promoted the comparisons of primary cutaneous lymphoma （PCL） subtypes between different countries.The relative frequency of PCL varied according to geography.The study aimed to analyze the relative frequency and survival of PCLs in China and to compare the data with the published results from other countries.Methods We analyzed 98 patients with PCLs over a 6-year period and reclassified them according to the most recent WHO-EORTC classification （2005）.Disease-specific survival rate and curves according to specific subtypes such as mycosis fungoides,lymphomatoid papulosis,and primary cutaneous peripheral T-cell lymphoma,unspecified was also calculated.Results The relative rate of PCL in China was distinct from those in Western countries.Our study showed a higher frequency of cutaneous T-and NK-cell lymphomas （CTCLs） （94%）,and a lower frequency of cutaneous B-cell lymphomas （CBCLs） （6%）.The 5-year survival rate of the total PCLs was 82%.There was no significant difference in the 5-year survival rate （P 〉0.05 by Log-rank test） between CTCL （80%） and CBCL （100%）.Conclusions The higher percentage of CTCL in China may provide a clue to further study the etiological factors of PCLs.Racial variations in factors such as HLA determinants may play a role in the development of CTCL.展开更多
文摘Dong M,Yu X,Chen W,et a1.Osteopontinpromotes bone destruction in periapieal periodontitisby activating the NF—κB pathway.Cell PhysiolBiochem,2018,49:3.目的:根尖周炎由细菌感染引起.导致牙槽骨破坏和牙脱落。骨桥蛋白(OPN)是一种磷酸化糖蛋白.参与骨代谢。方法:对33例慢性根尖周炎患者和10例因正畸切除健康牙体组织(对照)的患者进行研究.建立小鼠根尖周炎动物模型进行体内实验.分析OPN与根尖周炎中骨质破坏的关系。在体外培养成骨细胞和破骨细胞并用脂多糖处理。NF—κB的抑制剂用于预处理转染的细胞。结果:OPN增加破骨细胞增殖和分化,但减少成骨细胞增殖和分化。OPN在根尖周炎期间激活NF—KB通路.加速P65从细胞质向细胞核的转移和磷酸化。结论:OPN在根尖周炎的发展过程中发挥重要作用.并且在根尖周炎期间骨关节代谢中起双重作用.将破骨细胞与成骨细胞联系起来。其潜在的机制可能与NF—κB途径有关。
文摘Background The World Health Organization and European Organization for Research and Treatment of Cancer （WHOEORTC） classification in 2005 promoted the comparisons of primary cutaneous lymphoma （PCL） subtypes between different countries.The relative frequency of PCL varied according to geography.The study aimed to analyze the relative frequency and survival of PCLs in China and to compare the data with the published results from other countries.Methods We analyzed 98 patients with PCLs over a 6-year period and reclassified them according to the most recent WHO-EORTC classification （2005）.Disease-specific survival rate and curves according to specific subtypes such as mycosis fungoides,lymphomatoid papulosis,and primary cutaneous peripheral T-cell lymphoma,unspecified was also calculated.Results The relative rate of PCL in China was distinct from those in Western countries.Our study showed a higher frequency of cutaneous T-and NK-cell lymphomas （CTCLs） （94%）,and a lower frequency of cutaneous B-cell lymphomas （CBCLs） （6%）.The 5-year survival rate of the total PCLs was 82%.There was no significant difference in the 5-year survival rate （P 〉0.05 by Log-rank test） between CTCL （80%） and CBCL （100%）.Conclusions The higher percentage of CTCL in China may provide a clue to further study the etiological factors of PCLs.Racial variations in factors such as HLA determinants may play a role in the development of CTCL.
