目的探讨肝豆状核变性、乙型肝炎不同肝功能状态时血浆铜蓝蛋白水平的差异及其临床意义。方法用终末期肝病模型(model for end-stage liver disease,MELD)评分衡量肝功能损害的严重性,采用散射比浊法检测并比较分析肝豆状核变性、慢加...目的探讨肝豆状核变性、乙型肝炎不同肝功能状态时血浆铜蓝蛋白水平的差异及其临床意义。方法用终末期肝病模型(model for end-stage liver disease,MELD)评分衡量肝功能损害的严重性,采用散射比浊法检测并比较分析肝豆状核变性、慢加急性肝衰竭极期以及恢复期、慢性乙型肝炎患者的血浆铜蓝蛋白水平。结果肝豆状核变性(n=50)、慢加急性肝衰竭极期和恢复期(n=30)、慢性乙型病毒性肝炎患者(n=50)的MELD评分分别为11.1±6.5、20.4±4.2、10.9±4.9、9.6±9.8,血浆铜蓝蛋白分别为(0.065±0.036)g/L、(0.176±0.037)g/L、(0.210±0.056)g/L、(0.197±0.038)g/L;血浆铜蓝蛋白水平4组之间的两两比较存在差异(F=111.4,P<0.001),肝豆状核变性患者低于其他3组(P<0.001)。结论肝豆状核变性血浆铜蓝蛋白水平显著降低。相对于肝豆状核变性,没有肝衰竭的慢性乙型肝炎血浆铜蓝蛋白水平几乎正常。慢加急性肝衰竭极期血浆铜蓝蛋白水平仅轻度下降,随着肝功能衰竭的恢复,血浆铜蓝蛋白恢复正常。展开更多
Wilson's disease(WD)is a rare condition caused by copper accumulation primarily in the liver and secondly in other organs,such as the central nervous system.It is a hereditary autosomal recessive disease caused by...Wilson's disease(WD)is a rare condition caused by copper accumulation primarily in the liver and secondly in other organs,such as the central nervous system.It is a hereditary autosomal recessive disease caused by a deficiency in the ATP7B transporter.This protein facilitates the incorporation of copper into ceruloplasmin.More than 800 mutations associated with WD have been described.The onset of the disease frequently includes manifestations related to the liver(as chronic liver disease or acute liver failure)and neurological symptoms,although it can sometimes be asymptomatic.Despite it being more frequent in young people,WD has been described in all life stages.Due to its fatal prognosis,WD should be suspected in all patients with unexplained biochemical liver abnormalities or neurological or psychiatric symptoms.The diagnosis is established with a combination of clinical signs and tests,including the measurement of ceruloplasmin,urinary copper excretion,copper quantification in liver biopsy,or genetic assessment.The pharmacological therapies include chelating drugs,such as D-penicillamine or trientine,and zinc salts,which are able to change the natural history of the disease,increasing the survival of these patients.In some cases of end-stage liver disease or acute liver failure,liver transplantation must be an option to increase survival.In this narrative review,we offer an overview of WD,focusing on the importance of clinical suspicion,the correct diagnosis,and treatment.展开更多
AIM: To observe the therapeutic effect of intrasplenic transplantation with embryonic hepatocytes on amelioration of hereditary copper accumulation in toxic milk (TX) mouse modeling Wilson disease. METHODS: Donor hepa...AIM: To observe the therapeutic effect of intrasplenic transplantation with embryonic hepatocytes on amelioration of hereditary copper accumulation in toxic milk (TX) mouse modeling Wilson disease. METHODS: Donor hepatocytes were harvested from 14-d fetal liver of a pregnant homogeneous DL mouse. These cells were successively cultured, labeled with fluorescein dye Hoechst 33342 for 24 h, and sequentially infused into the spleen parenchyma of the recipient TX mice. No host immunosuppression measures were taken. Two and four weeks after transplantation, the recipients were killed for routine histologic investigation and immunohistochemistry study up to 4 wk after transplantation. The serum copper and ceruloplasmin concentrations of the recipient mice were determined by graphite furnace atomic absorption spectroscopy.RESULTS: In the following 2nd and 4th wk after transplantation, the donor hepatocytes could be visualized in the livers of 47.3% recipients. The serum ceruloplasmin and copper concentrations increased by 1.6-fold after 2 wk and 2.0-fold times after 4 wk respectively, which ultimately rose from about 30% of the normal level to nearly 60%(P＜0.01). The hepatic copper concentration decreased 7.2%, 4 wk after transplantation. Pathologic examination showed that there were many actively proliferative hepatocyte precursor cells with specific embryonic hepatocyte marker AFP migrated into hepatic sinusoidsof the recipients. A large number of cells carrying hepatocytes marker and albumin were observed in the recipient spleen tissues.CONCLUSION: Embryonic hepatocytes are capable of differentiating into mature hepatocytes in vivo. After transplantation, the hereditary abnormalities of copper metabolism in TX mice could be corrected partially by intrasplenic transplantation of homogeneous embryonic hepatocytes.展开更多
AIM To develop a non-invasive model to evaluate significant fibrosis and cirrhosis by investigating the association between serum ceruloplasmin(CP) levels and liver fibrosis in chronic hepatitis B(CHB) patients with n...AIM To develop a non-invasive model to evaluate significant fibrosis and cirrhosis by investigating the association between serum ceruloplasmin(CP) levels and liver fibrosis in chronic hepatitis B(CHB) patients with normal or minimally raised alanine aminotransferase(ALT).METHODS Serum samples and liver biopsy were obtained from 193 CHB patients with minimally raised or normal ALT who were randomly divided into a training group(n = 97) and a validation group(n = 96). Liver histology was evaluated by the METAVIR scoring system. Receiver operator characteristic curves were applied to the diagnostic value of CP for measuring liver fibrosis in CHB patients. Spearman rank correlation analyzed the relationship between CP and liver fibrosis. A noninvasive model was set up through multivariate logistic regression analysis.RESULTS Serum CP levels individualized various fibrosis stages via area under the curve(AUC) values. Multivariate analysis revealed that CP levels were significantlyrelated to liver cirrhosis. Combining CP with serum GGT levels, a CG model was set up to predict significant fibrosis and liver cirrhosis in CHB patients with normal or minimally raised ALT. The AUC, sensitivity, specificity, positive predictive value, and negative predictive value were 0.84, 83.1%, 78.6%, 39.6%, and 96.5% to predict liver cirrhosis, and 0.789, 80.26%, 68.38%, 62.25%, and 84.21% to predict significant fibrosis. This model expressed a higher AUC than FIB-4(age, ALT, aspartate aminotransferase, platelets) and GP(globulin, platelets) models to predict significant fibrosis(P = 0.019 and 0.022 respectively) and revealed a dramatically greater AUC than FIB-4(P = 0.033) to predict liver cirrhosis.CONCLUSION The present study showed that CP was independently and negatively associated with liver fibrosis. Furthermore, we developed a novel promising model(CG), based on routine serum markers, for predicting liver fibrosis in CHB patients with normal or minimally raised ALT.展开更多
文摘目的探讨肝豆状核变性、乙型肝炎不同肝功能状态时血浆铜蓝蛋白水平的差异及其临床意义。方法用终末期肝病模型(model for end-stage liver disease,MELD)评分衡量肝功能损害的严重性,采用散射比浊法检测并比较分析肝豆状核变性、慢加急性肝衰竭极期以及恢复期、慢性乙型肝炎患者的血浆铜蓝蛋白水平。结果肝豆状核变性(n=50)、慢加急性肝衰竭极期和恢复期(n=30)、慢性乙型病毒性肝炎患者(n=50)的MELD评分分别为11.1±6.5、20.4±4.2、10.9±4.9、9.6±9.8,血浆铜蓝蛋白分别为(0.065±0.036)g/L、(0.176±0.037)g/L、(0.210±0.056)g/L、(0.197±0.038)g/L;血浆铜蓝蛋白水平4组之间的两两比较存在差异(F=111.4,P<0.001),肝豆状核变性患者低于其他3组(P<0.001)。结论肝豆状核变性血浆铜蓝蛋白水平显著降低。相对于肝豆状核变性,没有肝衰竭的慢性乙型肝炎血浆铜蓝蛋白水平几乎正常。慢加急性肝衰竭极期血浆铜蓝蛋白水平仅轻度下降,随着肝功能衰竭的恢复,血浆铜蓝蛋白恢复正常。
基金Consejería de Salud.Junta de Andalucía,No.PI_0039_2017Junta de andalucia,No.201799903406796.
文摘Wilson's disease(WD)is a rare condition caused by copper accumulation primarily in the liver and secondly in other organs,such as the central nervous system.It is a hereditary autosomal recessive disease caused by a deficiency in the ATP7B transporter.This protein facilitates the incorporation of copper into ceruloplasmin.More than 800 mutations associated with WD have been described.The onset of the disease frequently includes manifestations related to the liver(as chronic liver disease or acute liver failure)and neurological symptoms,although it can sometimes be asymptomatic.Despite it being more frequent in young people,WD has been described in all life stages.Due to its fatal prognosis,WD should be suspected in all patients with unexplained biochemical liver abnormalities or neurological or psychiatric symptoms.The diagnosis is established with a combination of clinical signs and tests,including the measurement of ceruloplasmin,urinary copper excretion,copper quantification in liver biopsy,or genetic assessment.The pharmacological therapies include chelating drugs,such as D-penicillamine or trientine,and zinc salts,which are able to change the natural history of the disease,increasing the survival of these patients.In some cases of end-stage liver disease or acute liver failure,liver transplantation must be an option to increase survival.In this narrative review,we offer an overview of WD,focusing on the importance of clinical suspicion,the correct diagnosis,and treatment.
基金Supported by the National Natural Science Foundation of China, No. 30400147211 Project of Sun Yat-Sen University, No. 98138and the Key Subject Support Grants from Ministry of Public Health No. 2001321
文摘AIM: To observe the therapeutic effect of intrasplenic transplantation with embryonic hepatocytes on amelioration of hereditary copper accumulation in toxic milk (TX) mouse modeling Wilson disease. METHODS: Donor hepatocytes were harvested from 14-d fetal liver of a pregnant homogeneous DL mouse. These cells were successively cultured, labeled with fluorescein dye Hoechst 33342 for 24 h, and sequentially infused into the spleen parenchyma of the recipient TX mice. No host immunosuppression measures were taken. Two and four weeks after transplantation, the recipients were killed for routine histologic investigation and immunohistochemistry study up to 4 wk after transplantation. The serum copper and ceruloplasmin concentrations of the recipient mice were determined by graphite furnace atomic absorption spectroscopy.RESULTS: In the following 2nd and 4th wk after transplantation, the donor hepatocytes could be visualized in the livers of 47.3% recipients. The serum ceruloplasmin and copper concentrations increased by 1.6-fold after 2 wk and 2.0-fold times after 4 wk respectively, which ultimately rose from about 30% of the normal level to nearly 60%(P＜0.01). The hepatic copper concentration decreased 7.2%, 4 wk after transplantation. Pathologic examination showed that there were many actively proliferative hepatocyte precursor cells with specific embryonic hepatocyte marker AFP migrated into hepatic sinusoidsof the recipients. A large number of cells carrying hepatocytes marker and albumin were observed in the recipient spleen tissues.CONCLUSION: Embryonic hepatocytes are capable of differentiating into mature hepatocytes in vivo. After transplantation, the hereditary abnormalities of copper metabolism in TX mice could be corrected partially by intrasplenic transplantation of homogeneous embryonic hepatocytes.
基金Supported by Youth Foundation of the Health and Family Planning Commission of Fujian Province,No.2014-1-55
文摘AIM To develop a non-invasive model to evaluate significant fibrosis and cirrhosis by investigating the association between serum ceruloplasmin(CP) levels and liver fibrosis in chronic hepatitis B(CHB) patients with normal or minimally raised alanine aminotransferase(ALT).METHODS Serum samples and liver biopsy were obtained from 193 CHB patients with minimally raised or normal ALT who were randomly divided into a training group(n = 97) and a validation group(n = 96). Liver histology was evaluated by the METAVIR scoring system. Receiver operator characteristic curves were applied to the diagnostic value of CP for measuring liver fibrosis in CHB patients. Spearman rank correlation analyzed the relationship between CP and liver fibrosis. A noninvasive model was set up through multivariate logistic regression analysis.RESULTS Serum CP levels individualized various fibrosis stages via area under the curve(AUC) values. Multivariate analysis revealed that CP levels were significantlyrelated to liver cirrhosis. Combining CP with serum GGT levels, a CG model was set up to predict significant fibrosis and liver cirrhosis in CHB patients with normal or minimally raised ALT. The AUC, sensitivity, specificity, positive predictive value, and negative predictive value were 0.84, 83.1%, 78.6%, 39.6%, and 96.5% to predict liver cirrhosis, and 0.789, 80.26%, 68.38%, 62.25%, and 84.21% to predict significant fibrosis. This model expressed a higher AUC than FIB-4(age, ALT, aspartate aminotransferase, platelets) and GP(globulin, platelets) models to predict significant fibrosis(P = 0.019 and 0.022 respectively) and revealed a dramatically greater AUC than FIB-4(P = 0.033) to predict liver cirrhosis.CONCLUSION The present study showed that CP was independently and negatively associated with liver fibrosis. Furthermore, we developed a novel promising model(CG), based on routine serum markers, for predicting liver fibrosis in CHB patients with normal or minimally raised ALT.
