IL-6, Interleukin 6

IL - 6, 白介素 6
  • 文章类型: Journal Article
    创伤后癫痫(PTE)是创伤性脑损伤(TBI)的严重和使人衰弱的后果。有时候,由于PTE对现有抗癫痫药物的耐药性,PTE的管理成为一项具有挑战性的任务,并且往往导致TBI后不良的功能和社会心理结局.我们研究了炎症标志物白细胞介素6(IL-6)的作用,肿瘤坏死因子α(TNF-α),干扰素γ(INF-γ)在预测PTE发生发展中的作用。
    对我们医院收治的254例头部受伤患者进行了前瞻性分析,其中35人患有创伤后癫痫(32名男性和3名女性);30名成年人(28名男性,2名具有相似人口统计学特征的妇女)被随机选择为对照个体。血液中TNF-α水平,在所有参与者中评估IL-6和INF-γ。
    PTE组的IL-6水平显着升高(121.36pg/mL;标准偏差[SD],89.23)高于非癫痫组(65.30pg/mL;SD,74.75;P=0.01),而癫痫发作组之间没有显着差异(11.42pg/mL;SD,7.84)和非癫痫发作组(10.58pg/mL;SD,7.84)在TNF-α水平方面(P=0.343)。癫痫发作组的INF-γ水平趋于更高(平均值,1.88pg/mL,SD,2.13在癫痫发作组vs.1.10pg/mL,SD,非癫痫组的1.45);然而,两组间差异无统计学意义(P=0.09)。
    创伤后癫痫与血液中IL-6水平升高密切相关。INF-γ可能与PTE相关或不相关。然而,TNF-α与PTE无关。
    UNASSIGNED: Posttraumatic epilepsy (PTE) is a serious and debilitating consequence of traumatic brain injury (TBI). Sometimes, the management of PTE becomes a challenging task on account of its resistance to existing antiepileptic drugs and often contributes to poor functional and psychosocial outcomes after TBI. We investigated the role of inflammatory markers interleukin 6 (IL-6), tumor necrosis factor α (TNF-α), and interferon γ (INF-γ) in predicting the development of PTE.
    UNASSIGNED: A prospective analysis was performed of 254 patients who were admitted with head injury to our hospital, 35 of whom had posttraumatic epilepsy (32 males and 3 females); 30 adults (28 men, 2 women) with a similar demographic profile were selected randomly as control individuals. Blood levels of TNF-α, IL-6, and INF-γ were evaluated in all participants.
    UNASSIGNED: IL-6 levels were significantly higher in the PTE group (121.36 pg/mL; standard deviation [SD], 89.23) than in the nonseizure group (65.30 pg/mL; SD, 74.75; P = 0.01), whereas there was no significant difference between the seizure group (11.42 pg/mL; SD, 7.84) and the nonseizure groups (10.58 pg/mL; SD, 7.84) in terms of TNF-α level (P = 0.343). The level of INF-γ in the seizure group tended to be higher (mean, 1.88 pg/mL, SD, 2.13 in seizure group vs. 1.10 pg/mL, SD, 1.45 in the nonseizure group); however, no statistically significant difference was detected among the 2 groups (P = 0.09).
    UNASSIGNED: Posttraumatic epilepsy has a strong association with an increased level of IL-6 in the blood. INF-γ may or may not be associated with PTE. However, TNF-α was not associated with PTE.
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  • 文章类型: Journal Article
    急性和慢性肝衰竭后的肝性脑病(HE)被定义为神经精神异常的复合物,例如离散的个人变化,睡眠障碍,健忘,混乱,并降低昏迷的意识水平。代表HE的临床特征和病理变化的合适动物模型的使用和设计对于绘制导致HE的分子机制是有价值的。在不同类型的动物模型中,硫代乙酰胺(TAA)已广泛用于诱导急性肝损伤和HE。这种药物不是直接的肝毒性,但其代谢物通过诱导氧化应激诱导肝损伤,并产生类似于急性HE患者的全身性炎症。在这篇简短的评论文章中,我们简要回顾了TAA给药后急性HE动物模型中最重要的病理发现。
    Hepatic encephalopathy (HE) following acute and chronic liver failure is defined as a complex of neuropsychiatric abnormalities, such as discrete personal changes, sleep disorder, forgetfulness, confusion, and decreasing the level of consciousness to coma. The use and design of suitable animal models that represent clinical features and pathological changes of HE are valuable to map the molecular mechanisms that result in HE. Among different types of animal models, thioacetamide (TAA) has been used extensively for the induction of acute liver injury and HE. This agent is not directly hepatotoxic but its metabolites induce liver injury through the induction of oxidative stress and produce systemic inflammation similar to that seen in acute HE patients. In this short review article, we shortly review the most important pathological findings in animal models of acute HE following the administration of TAA.
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  • 文章类型: Journal Article
    评估生活在长期护理机构(LTCF)中的中重度冠状病毒病2019(COVID-19)老年人的恢复期血浆(CP)输注的安全性和有效性。
    住在伦巴第LTCF中的22名连续的COVID-19感染老年患者,意大利,在2020年5月15日至7月31日期间接受CP治疗的患者被纳入一项前瞻性队列研究.他们的临床,器乐,和实验室参数在CP治疗后进行评估。在2020年3月至5月的3个月期间,该组的总死亡率与伦巴第其他LTCF的总死亡率进行了比较。
    在22名患者中,68.2%(n=15)收到1个CP单元,27.3%(n=6)收到2个单位,4.5%(n=1)收到3个单位。在输注的CP单元中,76.7%(23/30)具有1:160或更大的中和抗体滴度。CP给药过程中或给药后均无不良反应。临床上的改进,功能,放射学,在所有19例存活的患者中,观察了CP输血后14天的实验室参数。在随访结束时,所有患者均实现了病毒清除(中位数,66天;四分位数范围,48-80天)。总死亡率为13.6%(3/22),与对照组(38.3%[281/733];P=.02)相比,死亡率风险降低了65%。
    在LTCF中对患有COVID-19感染的有症状的老年患者早期给予具有足够抗严重急性呼吸综合征冠状病毒2抗体滴度的CP在消除病毒方面是安全有效的,恢复患者免疫力,并阻断COVID-19感染的进展,从而提高患者的生存率。
    ClinicalTrials.gov:NCT04569188。
    UNASSIGNED: To assess the safety and efficacy of convalescent plasma (CP) transfusion in elderly people with moderate to severe coronavirus disease 2019 (COVID-19) living in a long-term care facility (LTCF).
    UNASSIGNED: Twenty-two consecutive elderly patients with COVID-19 infection living in an LTCF in Lombardy, Italy, who were given CP during May 15 to July 31, 2020, were enrolled in a prospective cohort study. Their clinical, instrumental, and laboratory parameters were assessed following the CP treatment. The overall mortality rate in this group was compared with that recorded in other LTCFs in Lombardy during the 3-month period from March to May 2020.
    UNASSIGNED: Of the 22 patients enrolled, 68.2% (n=15) received 1 CP unit, 27.3% (n=6) received 2 units, and 4.5% (n=1) received 3 units. Of the CP units transfused, 76.7% (23/30) had a neutralizing antibody titer of 1:160 or greater. No adverse reactions were recorded during or after CP administration. Improvements in clinical, functional, radiologic, and laboratory parameters during the 14 days after CP transfusion were observed in all 19 patients who survived. Viral clearance was achieved in all patients by the end of follow-up (median, 66 days; interquartile range, 48-80 days). The overall mortality rate was 13.6% (3/22), which compared favorably with that in the control group (38.3% [281/733]; P=.02) and corresponded to a 65% reduction in mortality risk.
    UNASSIGNED: Early administration of CP with an adequate anti-severe acute respiratory syndrome coronavirus 2 antibody titer to elderly symptomatic patients with COVID-19 infection in an LTCF was safe and effective in eliminating the virus, restoring patients\' immunity, and blocking the progression of COVID-19 infection, thereby improving patients\' survival.
    UNASSIGNED: ClinicalTrials.gov: NCT04569188.
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  • 文章类型: Journal Article
    为了确定在极端老年时成功衰老的最重要驱动因素,我们结合了基于社区的前瞻性队列:东京最古老的总健康调查(TOOTH),东京百岁老人研究(TCS)和日本半百岁老人研究(JSS)包括1554个人,其中包括684名百岁老人和(半)超级百岁老人,167对百岁老人的后代和配偶,和536个社区-非常老(85至99岁)。我们结合了多种生物标志物的z评分来描述造血,炎症,脂质和葡萄糖代谢,肝功能,肾功能,和细胞衰老结构域。在Cox比例风险模型中,炎症预测的全因死亡率的风险比(95%CI)1.89(1.21至2.95)和1.36(1.05至1.78)在非常老和(半)超级百岁老人,分别。在线性前向逐步模型中,炎症预测能力(解释了10.8%的方差)和认知(8(。)6%的差异解释)在(半)超级百岁老人中比实际年龄或性别更好。与年龄匹配的对照组相比,百岁老人后代的炎症评分也较低,Δ(95%CI)=-0.795(-1.436至-0.154)。百岁老人和他们的后代能够维持长端粒,但是端粒长度并不能预测百岁老人和半超百岁老人的成功衰老。我们得出的结论是,炎症是人类衰老到极端老年的重要可塑性驱动因素。
    To determine the most important drivers of successful ageing at extreme old age, we combined community-based prospective cohorts: Tokyo Oldest Old Survey on Total Health (TOOTH), Tokyo Centenarians Study (TCS) and Japanese Semi-Supercentenarians Study (JSS) comprising 1554 individuals including 684 centenarians and (semi-)supercentenarians, 167 pairs of centenarian offspring and spouses, and 536 community-living very old (85 to 99 years). We combined z scores from multiple biomarkers to describe haematopoiesis, inflammation, lipid and glucose metabolism, liver function, renal function, and cellular senescence domains. In Cox proportional hazard models, inflammation predicted all-cause mortality with hazard ratios (95% CI) 1.89 (1.21 to 2.95) and 1.36 (1.05 to 1.78) in the very old and (semi-)supercentenarians, respectively. In linear forward stepwise models, inflammation predicted capability (10.8% variance explained) and cognition (8(.)6% variance explained) in (semi-)supercentenarians better than chronologic age or gender. The inflammation score was also lower in centenarian offspring compared to age-matched controls with Δ (95% CI) = - 0.795 (- 1.436 to - 0.154). Centenarians and their offspring were able to maintain long telomeres, but telomere length was not a predictor of successful ageing in centenarians and semi-supercentenarians. We conclude that inflammation is an important malleable driver of ageing up to extreme old age in humans.
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