Objective To observe sulfhydryl compound variation in the injury of pancreatic cells and the effects of external sulfhydryl compounds on cytoprotection.Methods Male Wistar mice were divided randomly into three group...Objective To observe sulfhydryl compound variation in the injury of pancreatic cells and the effects of external sulfhydryl compounds on cytoprotection.Methods Male Wistar mice were divided randomly into three groups: groups A and B served as animal models (retrograde duct infusion with 5% sodium taurocholate), in group A, 45 animals were treated with normal saline therapy, in group B, 45 aminals were treated with Tiopronin therapy; and group C, 15 animals, were designated as normal control. Animals were killed at 2, 4, 6, 12 and 24 h, and pancreatic tissue was analyzed for total sulfhydryl (TSH), nonprotein sulfhydryl (NPSH) and malondialdehyde (MDA). Histopathology, serum amylase (Sam) and C reactive protein (CRP) were assessed as well.Results Levels of Sam and CRP increased in both group A and group B, with corresponding pathological changes of acute nerotic pancreatitis (ANP). Levels of TSH, NPSH and protein sulfhydryl (PSH) in group A decreased markedly during pancreatitis (P<0.01), but MDA increased significantly (P<0.01). The depletion of NPSH in group B was markedly ameliorated at 4 h or 6 h, when Tiopronin was prophylactically administered (P<0.05), after which the level of MDA showed very little increase when compared to group A (P<0.01). Histopathological damage was attenuated to a certain extent, in regards to serum amylase and CRP.Conclusions All sulfhydryl compounds decreased significantly during ANP; external sulfhydryl compound could protect the pancreatic cells most likely as a type of scavengers of oxygen free radicals, which are critically involved in the pathophysiology of ANP. Sulfhydryl plays an important role in the action of pancreatic cytoprotection.展开更多
目的探讨尿液巯基化合物检测作为子宫颈癌早期筛查手段的可行性。方法收集144例就诊者尿液作为对照组,其中包括健康体检结果正常人员104例、阴道炎患者20例、人乳头瘤病毒(HPV)感染者20例;确诊子宫颈癌等妇科肿瘤患者的尿液标本107例作...目的探讨尿液巯基化合物检测作为子宫颈癌早期筛查手段的可行性。方法收集144例就诊者尿液作为对照组,其中包括健康体检结果正常人员104例、阴道炎患者20例、人乳头瘤病毒(HPV)感染者20例;确诊子宫颈癌等妇科肿瘤患者的尿液标本107例作为研究组。取1 m L新鲜尿液作为标本,使用化学显色法对标本进行巯基化合物含量检测,并以宫颈活检的组织病理学为金标准,评价尿液中巯基含量检测在子宫颈癌筛查中的临床价值。结果在研究组中阳性反应有98例,阳性率为91.6%;健康对照组中人员无阳性反应;阴道炎患者阳性反应有5例,阳性率为25%;HPV感染者阳性反应有12例,阳性率为60%;研究组与健康对照组之间尿液巯基检测阳性率差异有统计学意义(P<0.01)。结论尿液中巯基化合物检测对子宫颈癌及癌前病变筛查具有较高的敏感度,该方法简便、快速,适用于子宫颈癌的早期筛查。展开更多
文摘Objective To observe sulfhydryl compound variation in the injury of pancreatic cells and the effects of external sulfhydryl compounds on cytoprotection.Methods Male Wistar mice were divided randomly into three groups: groups A and B served as animal models (retrograde duct infusion with 5% sodium taurocholate), in group A, 45 animals were treated with normal saline therapy, in group B, 45 aminals were treated with Tiopronin therapy; and group C, 15 animals, were designated as normal control. Animals were killed at 2, 4, 6, 12 and 24 h, and pancreatic tissue was analyzed for total sulfhydryl (TSH), nonprotein sulfhydryl (NPSH) and malondialdehyde (MDA). Histopathology, serum amylase (Sam) and C reactive protein (CRP) were assessed as well.Results Levels of Sam and CRP increased in both group A and group B, with corresponding pathological changes of acute nerotic pancreatitis (ANP). Levels of TSH, NPSH and protein sulfhydryl (PSH) in group A decreased markedly during pancreatitis (P<0.01), but MDA increased significantly (P<0.01). The depletion of NPSH in group B was markedly ameliorated at 4 h or 6 h, when Tiopronin was prophylactically administered (P<0.05), after which the level of MDA showed very little increase when compared to group A (P<0.01). Histopathological damage was attenuated to a certain extent, in regards to serum amylase and CRP.Conclusions All sulfhydryl compounds decreased significantly during ANP; external sulfhydryl compound could protect the pancreatic cells most likely as a type of scavengers of oxygen free radicals, which are critically involved in the pathophysiology of ANP. Sulfhydryl plays an important role in the action of pancreatic cytoprotection.
文摘目的探讨尿液巯基化合物检测作为子宫颈癌早期筛查手段的可行性。方法收集144例就诊者尿液作为对照组,其中包括健康体检结果正常人员104例、阴道炎患者20例、人乳头瘤病毒(HPV)感染者20例;确诊子宫颈癌等妇科肿瘤患者的尿液标本107例作为研究组。取1 m L新鲜尿液作为标本,使用化学显色法对标本进行巯基化合物含量检测,并以宫颈活检的组织病理学为金标准,评价尿液中巯基含量检测在子宫颈癌筛查中的临床价值。结果在研究组中阳性反应有98例,阳性率为91.6%;健康对照组中人员无阳性反应;阴道炎患者阳性反应有5例,阳性率为25%;HPV感染者阳性反应有12例,阳性率为60%;研究组与健康对照组之间尿液巯基检测阳性率差异有统计学意义(P<0.01)。结论尿液中巯基化合物检测对子宫颈癌及癌前病变筛查具有较高的敏感度,该方法简便、快速,适用于子宫颈癌的早期筛查。
