目的探讨初诊肺结核患者血浆白细胞介素-6(IL-6)、白细胞介素-17(IL-17)、白细胞介素-37(IL-37)及T细胞免疫球蛋白黏蛋白分子-3(TIM-3)水平变化及其临床意义。方法收集2018年1月~2020年10月百色市人民医院收治的活动性肺结核患者57例、...目的探讨初诊肺结核患者血浆白细胞介素-6(IL-6)、白细胞介素-17(IL-17)、白细胞介素-37(IL-37)及T细胞免疫球蛋白黏蛋白分子-3(TIM-3)水平变化及其临床意义。方法收集2018年1月~2020年10月百色市人民医院收治的活动性肺结核患者57例、肺炎患者50例和健康对照40例。57例肺结核患者中菌阳肺结核31例,菌阴肺结核26例。57例肺结核按病情轻重、病程长短及病变范围分为轻症组32例和重症组25例。采用酶联免疫吸附测定(ELISA)法检测各组血浆IL-6,IL-17,IL-37及TIM-3水平,并进行比较。结果肺结核组血浆IL-6(41.37±13.50 pg/ml vs 26.28±9.16pg/ml,3.05±1.08 pg/ml),IL-17(62.50±10.73pg/ml vs 30.47±7.18pg/ml,16.13±5.86pg/ml),IL-37(14.63±4.18pg/ml vs 9.85±2.74pg/ml,4.10±1.02 pg/ml)及TIM-3(18.17±5.16ng/ml vs 11.80±3.52ng/ml,6.24±2.15 ng/ml)水平均明显高于肺炎组和对照组,差异均有统计学意义(t=7.338~13.273,均P<0.001)。菌阳肺结核组血浆IL-6(52.60±15.71pg/ml vs 30.16±8.95 pg/ml),IL-17(72.35±15.20 pg/ml vs 46.52±9.13 pg/ml),IL-37(16.50±6.14 pg/ml vs 12.48±3.17 pg/ml)及TIM-3(21.70±7.93ng/ml vs 15.21±4.92 ng/ml)水平均明显高于菌阴肺结核组,差异具有统计学意义(t=8.472,10.161,6.925,9.106,均P<0.001)。重症组血浆IL-6(56.38±17.26pg/ml vs 25.84±9.27pg/ml),IL-17(79.50±16.38 pg/ml vs 48.20±8.74 pg/ml),IL-37(18.48±6.20 pg/ml vs 10.82±3.26pg/ml)及TIM-3(23.26±8.15ng/ml vs 13.90±4.71ng/ml)水平明显高于轻症组,差异具有统计学意义(t=12.642,14.513,10.205,13.172,均P<0.001)。结论血浆IL-6,IL-17,IL-37及TIM-3水平在肺结核患者中明显升高,对判断肺结核严重程度有一定的价值。展开更多
目的:探讨泼尼松对脂多糖(LPS)诱导的支气管上皮细胞黏蛋白5AC(MUC5AC)、细胞间黏附分子-1(ICAM-1)、白细胞介素-6(IL-6)分泌的影响。方法:体外分离鉴定原代支气管上皮细胞,LPS以1μg/m L剂量诱导细胞炎症反应,泼尼松5、10、20、40、50...目的:探讨泼尼松对脂多糖(LPS)诱导的支气管上皮细胞黏蛋白5AC(MUC5AC)、细胞间黏附分子-1(ICAM-1)、白细胞介素-6(IL-6)分泌的影响。方法:体外分离鉴定原代支气管上皮细胞,LPS以1μg/m L剂量诱导细胞炎症反应,泼尼松5、10、20、40、50、100μmol/L干预治疗,酶联免疫法(ELISA)检测细胞上清液MUC5AC、ICAM-1、IL-6水平变化,采用定量逆转录PCR(RT-PCR)、免疫印迹(Western-blot)检测MUC5AC、ICAM-1、IL-6 m RNA和蛋白表达情况,免疫荧光法检测核因子κB(NF-κB)核定位,Western-blot检测泼尼松干预治疗前后表皮生长因子受体(EGFR)、细胞外调节蛋白激酶1/2(ERK1/2)活化情况。结果:泼尼松以剂量依赖性降低LPS诱导的支气管上皮细胞内MUC5AC、ICAM-1、IL-6 m RNA水平和蛋白水平,抑制NF-κB、EGFR、ERK1/2活化。结论:泼尼松在体外能抑制MUC5AC、ICAM-1、IL-6的产生,其机制可能与抑制NF-κB、EGFR、ERK1/2的激活有关。展开更多
Gastric adenocarcinoma is one of the most common malignancies worldwide.Histochemical and immunohistologic analyses classify the phenotypes of gastric adenocarcinoma into several groups based on the variable clinical ...Gastric adenocarcinoma is one of the most common malignancies worldwide.Histochemical and immunohistologic analyses classify the phenotypes of gastric adenocarcinoma into several groups based on the variable clinical and pathologic features.A new and rare variant of gastric adenocarcinoma with chief cell differentiation(GA-CCD)has recently been recognized.Studies reporting the distinct clinicopathologic characteristics proposed the term oxyntic gland polyp/adenoma because of the benign nature of the GACCD.Typically,GA-CCD is a solitary mucosal lesion that develops either in the gastric cardia or fundus.Histologically,this lesion is characterized by tightly clustered glands and anastomosing cords of chief cells.Immunohistochemically,GA-CCD is diffusely positive for mucin(MUC)6 and negative for MUC2and MUC5AC.However,other gastric tumors such as a gastric neuroendocrine tumor or fundic gland polyp have been difficult to exclude.Because GA-CCD tends to be endoscopically misdiagnosed as a neuroendocrine tumor or fundic gland polyp,comprehensive assessment and observation by an endoscopist are strongly recommended.Herein,we report a rare case of oxyntic gland adenoma endoscopically mimicking a gastric neuroendocrine tumor that was successfully removed by endoscopic mucosal resection.展开更多
文摘目的探讨初诊肺结核患者血浆白细胞介素-6(IL-6)、白细胞介素-17(IL-17)、白细胞介素-37(IL-37)及T细胞免疫球蛋白黏蛋白分子-3(TIM-3)水平变化及其临床意义。方法收集2018年1月~2020年10月百色市人民医院收治的活动性肺结核患者57例、肺炎患者50例和健康对照40例。57例肺结核患者中菌阳肺结核31例,菌阴肺结核26例。57例肺结核按病情轻重、病程长短及病变范围分为轻症组32例和重症组25例。采用酶联免疫吸附测定(ELISA)法检测各组血浆IL-6,IL-17,IL-37及TIM-3水平,并进行比较。结果肺结核组血浆IL-6(41.37±13.50 pg/ml vs 26.28±9.16pg/ml,3.05±1.08 pg/ml),IL-17(62.50±10.73pg/ml vs 30.47±7.18pg/ml,16.13±5.86pg/ml),IL-37(14.63±4.18pg/ml vs 9.85±2.74pg/ml,4.10±1.02 pg/ml)及TIM-3(18.17±5.16ng/ml vs 11.80±3.52ng/ml,6.24±2.15 ng/ml)水平均明显高于肺炎组和对照组,差异均有统计学意义(t=7.338~13.273,均P<0.001)。菌阳肺结核组血浆IL-6(52.60±15.71pg/ml vs 30.16±8.95 pg/ml),IL-17(72.35±15.20 pg/ml vs 46.52±9.13 pg/ml),IL-37(16.50±6.14 pg/ml vs 12.48±3.17 pg/ml)及TIM-3(21.70±7.93ng/ml vs 15.21±4.92 ng/ml)水平均明显高于菌阴肺结核组,差异具有统计学意义(t=8.472,10.161,6.925,9.106,均P<0.001)。重症组血浆IL-6(56.38±17.26pg/ml vs 25.84±9.27pg/ml),IL-17(79.50±16.38 pg/ml vs 48.20±8.74 pg/ml),IL-37(18.48±6.20 pg/ml vs 10.82±3.26pg/ml)及TIM-3(23.26±8.15ng/ml vs 13.90±4.71ng/ml)水平明显高于轻症组,差异具有统计学意义(t=12.642,14.513,10.205,13.172,均P<0.001)。结论血浆IL-6,IL-17,IL-37及TIM-3水平在肺结核患者中明显升高,对判断肺结核严重程度有一定的价值。
文摘目的:探讨泼尼松对脂多糖(LPS)诱导的支气管上皮细胞黏蛋白5AC(MUC5AC)、细胞间黏附分子-1(ICAM-1)、白细胞介素-6(IL-6)分泌的影响。方法:体外分离鉴定原代支气管上皮细胞,LPS以1μg/m L剂量诱导细胞炎症反应,泼尼松5、10、20、40、50、100μmol/L干预治疗,酶联免疫法(ELISA)检测细胞上清液MUC5AC、ICAM-1、IL-6水平变化,采用定量逆转录PCR(RT-PCR)、免疫印迹(Western-blot)检测MUC5AC、ICAM-1、IL-6 m RNA和蛋白表达情况,免疫荧光法检测核因子κB(NF-κB)核定位,Western-blot检测泼尼松干预治疗前后表皮生长因子受体(EGFR)、细胞外调节蛋白激酶1/2(ERK1/2)活化情况。结果:泼尼松以剂量依赖性降低LPS诱导的支气管上皮细胞内MUC5AC、ICAM-1、IL-6 m RNA水平和蛋白水平,抑制NF-κB、EGFR、ERK1/2活化。结论:泼尼松在体外能抑制MUC5AC、ICAM-1、IL-6的产生,其机制可能与抑制NF-κB、EGFR、ERK1/2的激活有关。
文摘Gastric adenocarcinoma is one of the most common malignancies worldwide.Histochemical and immunohistologic analyses classify the phenotypes of gastric adenocarcinoma into several groups based on the variable clinical and pathologic features.A new and rare variant of gastric adenocarcinoma with chief cell differentiation(GA-CCD)has recently been recognized.Studies reporting the distinct clinicopathologic characteristics proposed the term oxyntic gland polyp/adenoma because of the benign nature of the GACCD.Typically,GA-CCD is a solitary mucosal lesion that develops either in the gastric cardia or fundus.Histologically,this lesion is characterized by tightly clustered glands and anastomosing cords of chief cells.Immunohistochemically,GA-CCD is diffusely positive for mucin(MUC)6 and negative for MUC2and MUC5AC.However,other gastric tumors such as a gastric neuroendocrine tumor or fundic gland polyp have been difficult to exclude.Because GA-CCD tends to be endoscopically misdiagnosed as a neuroendocrine tumor or fundic gland polyp,comprehensive assessment and observation by an endoscopist are strongly recommended.Herein,we report a rare case of oxyntic gland adenoma endoscopically mimicking a gastric neuroendocrine tumor that was successfully removed by endoscopic mucosal resection.
