目的 探讨盐酸氨基葡萄糖联合降钙素对绝经后膝骨关节炎基质金属蛋白酶3（MMP-3）和骨桥蛋白（OPN）表达的影响。 方法 2012年1月－6月将120例绝经后膝骨关节炎妇女随机分为盐酸氨基葡萄糖组（A组）、盐酸氨基葡萄糖+依降钙素组（B组）、依降钙素组（C组），每组40例，采用酶联免疫吸附试验测定各组血清MMP-3、OPN、雌二醇、Ⅰ型胶原C端肽（CTX）和Ⅰ型胶原N端前肽（PINP）水平。 结果 A组和B组在治疗后2周和6周其膝关节评分和视觉模拟评分明显优于C组（P＜0.05），A组在治疗后2周MMP-3的表达改善明显（P＜0.05），优于其他两组。治疗后6周，B组OPN表达水平改善明显（P＜0.05），优于其他两组。C组和B组CTX和PINP水平明显改善（P＜0.05），优于A组。 结论 盐酸氨基葡萄糖联合降钙素能有效改善绝经后膝骨关节炎的症状，可能通过调节MMP-3和OPN的复合体表达，实现改善关节软骨功能的目的。
【摘要】目的探讨骨桥蛋白(OPN)联合血清CA125和CA199水平对子宫内膜异位症的诊断价值。方法2005年1月2008年12月采集45例子宫内膜异位症患者及45名健康妇女自愿捐赠的血清样品,分别采用ELISA法及化学发光法检测OPN、CA125、CA199水平。结果与健康妇女相比,子宫内膜异位症患者血清OPN和CA125、CA199含量明显升高(Plt;001)。重度组(美国生育学会分期Ⅲ、Ⅴ期)子宫内膜异位症患者OPN和CA125、CA199明显高于轻度组(Ⅰ、Ⅱ期)(Plt;001)。结论OPN、CA199可作为子宫内膜异位症诊断及病情监测的临床指标,联合CA125检测可提高其临床应用价值。
ObjectiveTo explore the role of osteopontin (OPN) in hyperoxia-induced acute lung injury and its relationship with nuclear factor-κB (NF-κB),matrix metalloproteinase 2 and 9 (MMP-2,MMP-9). MethodsNinety-six mice were randomly divided into a phosphate buffer solution intranasal inhalation group (PBS group) and a recombinant OPN intranasal inhalation group. The mice were exposed in sealed cages >95% oxygen for 24-72 hours to induce lung injury or room air as control. The severity of lung injury was evaluated. The expression of NF-κB,MMP-2,MMP-9,TIMP-1 and TIMP-2 mRNA in lung tissue at 24,48 and 72 hours under hyperoxia were examined by reverse transcript-polymerase chain reaction (RT-PCR). Immunohistochemistry (IHC) was performed for detection of NF-κB protein in lung tissue. ResultsPBS group mice developed more severe acute lung injury at 72 hours under hyperoxia.TIMP-1 and TIMP-2 mRNA expressions were significantly increased in r-OPN group than their matched PBS group when exposed to hyperoxia. IHC study showed higher expression of NF-κB protein in lung tissue of PBS group at 72 hours of hyperoxia. ConclusionOPN can protect against hyperoxia-induced lung injury by inhibiting the expressions of NF-κB,MMP-2 and MMP-9.
ObjectiveTo systematically review the association between expression of osteopontin (OPN) and Chinese population with hepatocellular carcinoma (HCC) and its clinical pathological characteristics. MethodsSuch databases including CBM, CNKI, VIP and WanFang Data were searched from inception to July 2014, for studies about the association between expression of OPN and Chinese population with HCC and its clinical pathological characteristics. Two reviewers independently screened literature according to the exclusion and inclusion criteria, extracted data, and assessed methodological quality of included studies. Then, meta-analysis was performed using RevMan 5.2 software. ResultsA total of 10 case-control studies (involving 723 HCC cases and 102 controls) were included. The results of meta-analysis showed that:OPN expression was higher in HCC group than normal control group (OR=10.25, 95%CI 6.13 to17.14); and higher in imperfect capsular infiltration group than perfect capsular infiltration group (OR=2.71, 95%CI 1.58 to 4.64). However, no significant difference was found in OPN expression between isolated tumour group and multiple tumours group (OR=0.95, 95%CI 0.56 to 1.62); between high differentiation group and low differentiation group (OR=0.60, 95%CI 0.36 to 1.01); and between clinical stages I-Ⅱ group and clinical stages Ⅲ-IV group (OR=0.93, 95%CI 0.53 to 1.63). ConclusionCurrent evidence shows that OPN may take part in the whole course (occurrence and advance) of HCC in Chinese population, but the problem whether it can be used as a factor to evaluate prognosis needs to be further studied.
【摘要】目的探讨骨桥蛋白(OPN)及其受体整合素ανβ3在子痫前期(preeclampsia,PE)患者胎盘组织中的表达及其意义。方法2008年11月2009年9月,采用免疫组织化学方法检测20例PE患者(轻度及重度PE各10例)和14例正常足月孕妇(对照组)胎盘组织中OPN及ανβ3蛋白表达水平。采用RTPCR检测各组孕妇胎盘组织中的OPN、αν和β3的mRNA的表达水平。结果PE组孕妇胎盘组织中OPN及ανβ3蛋白表达低下,与对照组相比,差异有统计学意义(Plt;0.05);重度PE组OPN及ανβ3蛋白表达水平更低,与轻度PE组比较,差异有统计学意义(Plt;0.05)。PE组孕妇胎盘组织中OPN mRNA水平明显低于对照组,两组差异有统计学意义(Plt;0.05);重度PE组OPN mRNA水平显著降低,与轻度PE组比较,两组差异有统计学意义(Plt;0.05);但αν和β3 mRNA的表达水平三组间比较差异无统计学意义。结论OPN及其受体整合素ανβ3在PE胎盘组织中的低表达可能在子痫前期的发病过程中起重要作用。
ObjectiveTo evaluate the prognostic value of osteopontin (OPN) in patients with liver cancer by using meta-analysis.MethodsWe searched PubMed, Embase, Web of science, Wanfang database, Chinese Science and Technology Academic Journal, Chinese Journal Full-text Database, and Chinese Biomedical Literature Database to identify relevant articles from their inception to October 31, 2018. A meta-analysis was carried out by using the STATA 12.0 software.ResultsA total of 13 studies were included in this meta-analysis, including 2 171 liver cancer cases. The pooled data of studies showed that OPN expression level was negatively associated with overall survival time (HR=1.58, 95% CI was (1.37, 1.79), P<0.001) and disease free survival time (HR=1.67, 95% CI was (1.39, 1.96), P<0.001). High expression of OPN for patients with liver cancer had shorter overall survival time and disease-free survival time compared with those of low expression of OPN.ConclusionCurrent evidence shows that high expression of OPN is closely related to poor prognosis of patients with liver cancer.
Objective To investigate the evaluation value of serum interleukin-34 (IL-34), macrophage migration inhibitor (MIF), osteopontin (OPN) and hypersensitive C-reactive protein (hs-CRP) in the diagnosis and prognosis of active pulmonary tuberculosis. Methods Clinical data of 100 patients with active pulmonary tuberculosis admitted from June 2019 to June 2022 were selected as an observation group and retrospectively analyzed. All patients received standardized anti-tuberculosis therapy for 6 months and were divided into a good prognosis group (76 cases) and a poor prognosis group (24 cases) according to the prognosis. Another 80 healthy volunteers who underwent physical examination during the same period were selected as the control group. Serum levels of IL-34, MIF, OPN and hs-CRP were detected in each group, and the value of serum IL-34, MIF, OPN and hs-CRP in the diagnosis and prognosis of active pulmonary tuberculosis was analyzed by receiver operating characteristic curve (ROC curve). Results Serum levels of IL-34, MIF, OPN and hs-CRP in the observation group were higher than those in the control group (all P<0.05). ROC curve showed that serum IL-34, MIF, OPN, hs-CRP had a certain diagnostic value in active pulmonary tuberculosis, with area under ROC curve (AUC) of 0.864, 0.870, 0.865, and 0.880, respectively (all P<0.01), and the combination of the four indexes had a higher diagnostic value (AUC=0.902, P<0.01). Serum levels of IL-34, MIF, OPN and hs-CRP in the good prognosis group were lower than those in the poor prognosis group (all P<0.05). ROC curve showed that serum IL-34, MIF, OPN, hs-CRP had a certain value in evaluating the prognosis of active pulmonary tuberculosis, with AUC of 0.850, 0.874, 0.837, and 0.842, respectively (all P<0.01), and the combined value of the four indexes was higher (AUC=0.923, P<0.01). Conclusion The combined detection of serum IL-34, MIF, OPN and hs-CRP has high value in the diagnosis and prognosis assessment of active pulmonary tuberculosis.
ObjectiveTo investigate the role of osteopontin (OPN) on the expressions of matrix metalloproteinase 13 (MMP-13) mRNA and protein in human knee osteoarthritic chondrocytes and to find the optimal time and concentration for OPN treatment. MethodsChondrocytes were isolated from articular cartilage tissues of patients with primary osteoarthritis (OA) and cultured using one step digestive treatment with collagenase typeⅡ. The chondrocytes were then identified using immunohistochemistry of collagen typeⅡ. The first generation of chondrocytes were stimulated with OPN at a concentration of 1μg/mL for 0, 24, 48, and 72 hours, and with OPN at the concentrations of 0, 0.5, 1, 2, and 4μg/mL for 48 hours. The levels of MMP-13 mRNA and protein expressions were measured with real-time fluorescent quantitative PCR and Western blot. ResultsThe immunohistochemical staining showed that first generation of chondrocytes expressed collagen typeⅡ. Both MMP-13 mRNA and protein expression levels in OA chondrocytes increased significantly in the presence of OPN (1μg/ mL) and peaked at 48 hours after incubation, showing significant difference between different time points (P < 0.05). The MMP-13 mRNA expression level in OA chondrocytes at the OPN concentration of 1μg/mL was significantly higher than those at the other concentrations (P < 0.05), and the MMP-13 protein expression level at the OPN concentration of 1μg/mL was significantly higher than that at 0μg/mL (P < 0.05). MMP-13 protein expression level at the OPN concentrations of 0.5, 2, and 4μg/mL were significantly higher than that at 0μg/mL (P < 0.05). ConclusionOPN induces up-regulation of MMP-13 mRNA and protein expressions in human knee osteoarthritic chondrocytes in time-and dose-dependent manners. The optimal time and concentration for OPN treatment are 48 hours and 1μg/mL, respectively.
Objective To detect the expressions of osteopontin （OPN）， breast tumor kinase （Brk）， and vascular endothelial growth factor （VEGF） in the breast cancer tissue， the adjacent （2cm） normal breast tissue， and the distal（＞5cm） normal breast tissue， and analyze their clinical significances. Method The immunohistochemical method was used to detect the expressions of OPN， Brk， and VEGF in the breast cancer tissue， the adjacent （2cm） normal breast tissue， and the distal （＞5cm） normal breast tissue from 40 cases of breast cancer. Results ① The expressions of OPN，Brk， and VEGF in the breast cancer tissue were significantly higher than those of the adjacent （2cm） normal breast tissue and the distal （＞5cm） normal breast tissue （P＜0.01）， the expression of Brk in the adjacent （2cm） normal breast tissue was significantly higher than that of the distal （＞5 cm） normal breast tissue （P＜0.05）. ② In the breast cancer tissue， the OPN and Brk protein expressions were not associated with age， tumor diameter， and histological grade （P＞0.05），were associated with lymph node metastasis and TNM stage （P＜0.05）. The VEGF protein expression was not associated with age and tumor diameter （P＞0.05）， but was associated with histological grade， lymph node metastasis， and TNM staging （P＜0.05）. ③ In the breast cancer tissue， OPN， Brk， and VEGF had positive correlation with each other （P＜0.05）， but not in the adjacent （2cm） normal breast tissue and the distal （＞5 cm） normal breast tissue （P＞0.05）. Conclusions The expressions of OPN and Brk from the same signal pathway increase by turns in the distal （＞5 cm） normal breast tissue， adjacent （2cm） normal breast tissue， and breast cancer tissue. OPN induced the adhesion and migration of endothelial cells to accelerate vascular repair through VEGF and Brk has correlation with the progress of tumor invasion and metastasis through participating in tumor vascularization.