目的:分析真实世界中化疗引起的恶心和呕吐(chemotherapy-induced nausea and vomiting,CINV)的个体化诊疗模式对胃肠道恶性肿瘤患者的CINV控制效果及对生存质量的影响。方法:选取2018年10月至2020年10月就诊于河北医科大学第四医院接...目的:分析真实世界中化疗引起的恶心和呕吐(chemotherapy-induced nausea and vomiting,CINV)的个体化诊疗模式对胃肠道恶性肿瘤患者的CINV控制效果及对生存质量的影响。方法:选取2018年10月至2020年10月就诊于河北医科大学第四医院接受中度致吐风险化疗方案的289例胃肠道恶性肿瘤患者,按照CINV评估治疗方法分为CINV个体化诊疗组(A组)和医师选择诊疗组(B组),分析比较两组CINV控制效果及对生存质量的影响。结果:289例患者中A组146例,B组143例。A组全程恶心(74.66%vs.34.27%,P<0.001)、呕吐(87.67%vs.55.94%,P<0.001)完全控制率均明显优于B组,A组急性期及延迟期恶心、呕吐完全控制率优于B组。同时,A组患者在生存质量的功能领域(躯体功能、角色功能、社会功能),症状领域(恶心呕吐、疲倦、失眠、厌食),以及总体健康状况方面均表现出显著的优势。结论:个体化CINV诊疗模式可显著改善真实世界中胃肠道恶性肿瘤患者的CINV控制率和生存质量。展开更多
表面辅助的金属有机纳米结构因其结构稳定性和潜在应用受到广泛关注。在金属有机纳米结构中,金属原子来源于外部沉积的金属或金属表面原子。外部沉积的金属原子种类多样,取决于目标纳米结构。然而,金属表面原子受限于表面科学常用的金...表面辅助的金属有机纳米结构因其结构稳定性和潜在应用受到广泛关注。在金属有机纳米结构中,金属原子来源于外部沉积的金属或金属表面原子。外部沉积的金属原子种类多样,取决于目标纳米结构。然而,金属表面原子受限于表面科学常用的金、银和铜单晶金属表面。金属有机纳米结构大多包括Au配位或是Cu配位结构,而只有少量的用表面Ag原子构成。分子金属相互作用的进一步研究有助于预期纳米结构的精确控制形成。至于构建基元,有机分子通过M―C、M―N和M―O键与表面金属原子配位。末端炔反应或者乌尔曼耦合能够实现C―M―C节点的形成。Cu和Au原子能够与含有末端氰基或吡啶基官能团的分子配位形成N―M―N键。另外,表面Ag增原子能够通过Ag―N配位键与酞菁分子配位。然而,M―O配位键的相关研究较少。因此,我们计划使用末端羟基分子与Ag增原子配位形成金属有机配位纳米结构去研究O―Ag节点。我们通过扫描隧道显微镜利用4,4’-二羟基-1,1’:3’,1’’-三联苯分子(4,4’-dihydroxy-1,1’:3’,1’’-terphenyl,H3PH)和Ag增原子成功构筑了一系列二维有序纳米结构。在室温下,蒸镀的H3PH分子自组装形成由环氢键连接的密堆积结构。当退火温度提升到330K,一种新的纳米结构出现了,该结构由O―Ag配位键和氢键共同作用形成。进一步地提升退火温度至420K,蜂巢结构和共存的二重配位链出现,这两种结构中仅由O―Ag―O键构成。为分析金属分子反应路径和O―Ag―O键的能量势垒,我们对该体系进行密度泛函理论计算。计算结果显示,O―Ag键形成的能量势垒是1.41 eV,小于O―Ag―O节点1.85 e V的能量势垒。这也解释了分等级金属-有机纳米结构形成的原因。我们的实验结果提供了一种利用有机小分子和金属增原子来设计和构筑分等级二维纳米结构的有效方法。展开更多
OBJECTIVE To investigate the anti-tremor effect and mechanism of baicalein on oxotremorine-induced muscle tremor in mice.METHODS The acute model of muscular tremor was induced by intraperitoneal injection of oxotremor...OBJECTIVE To investigate the anti-tremor effect and mechanism of baicalein on oxotremorine-induced muscle tremor in mice.METHODS The acute model of muscular tremor was induced by intraperitoneal injection of oxotremorine,and the latency,duration and frequency of muscle tremor in mice were measured immediately;the saliva of mice was measured to reflect the correlation between tremor and peripheral nerve function;the aim of this study was to determine the content of MDA and the activity of GSH-PX,and to investigate the anti-oxidation of mice with tremor model.The activity of acetylcholinesterase(AchE)and acetylcholine transferase(ChA T)can indirectly reflect the level of acetylcholine in the brain.The level of monoamine neurotransmitters in brain tissue was determined by high performance liquid chromatography(HPLC-ECD).RESULTS The animals in the model group appeared obvious tremoring,salivating and erecting and other symptoms.Compared to the model group,there was no obvious inhibitory effect on the administration of each dose.After 7,14,21 and 28 d of continuous administration,the latency,duration and tremor frequency of tremor mice were significantly shortened,the levels of acetylcholine were significantly decreased,the changes of DOPAC and DA neurotransmitters in the brain of model group were recovered,regulate the dynamic balance of acetylcholine and dopamine in the brain.CONCLUSION Long-term administration can improve the tremor behavior of mice,the mechanismmay be related to the regulation of neurotransmittersin brain.展开更多
Objective To characterize a novel frameshift mutation of the epithelial sodium channel(ENaC)βsubunit in a Chinese family with clinical suspicion of Liddle syndrome.And to emphasize that genetic testing is a confirmat...Objective To characterize a novel frameshift mutation of the epithelial sodium channel(ENaC)βsubunit in a Chinese family with clinical suspicion of Liddle syndrome.And to emphasize that genetic testing is a confirmatory evidence of the diagnosis of Liddle syndrome.Methods DNA samples from the proband with early-onset,treatment-resistant hypertension and hypokalemia and 31 additional relatives were all sequenced for mutations in exon 13 of theβ-ENaC andγ-ENaC genes,using amplification by polymerase chain reaction and direct DNA sequencing.展开更多
Background and Objective Desminopathy is a largely heterogeneous group of conditions involving inherited or sporadic myofibrillar myopathy.In terms of its mode of inheritance,the autosomal dominant form is predominant...Background and Objective Desminopathy is a largely heterogeneous group of conditions involving inherited or sporadic myofibrillar myopathy.In terms of its mode of inheritance,the autosomal dominant form is predominant.Desmin gene(DES)mutations play a critical role among the pathogenic inherited factors associated with desminopathy.Desminopathy involves various phenotypes,mainly including different cardiomyopathies,skeletal myopathy and arrhythmia.The purposes of this study are characterization of a novel phenotype and identification of a DES splicing mutation in a Chinese family with desminnopathy.展开更多
文摘目的:分析真实世界中化疗引起的恶心和呕吐(chemotherapy-induced nausea and vomiting,CINV)的个体化诊疗模式对胃肠道恶性肿瘤患者的CINV控制效果及对生存质量的影响。方法:选取2018年10月至2020年10月就诊于河北医科大学第四医院接受中度致吐风险化疗方案的289例胃肠道恶性肿瘤患者,按照CINV评估治疗方法分为CINV个体化诊疗组(A组)和医师选择诊疗组(B组),分析比较两组CINV控制效果及对生存质量的影响。结果:289例患者中A组146例,B组143例。A组全程恶心(74.66%vs.34.27%,P<0.001)、呕吐(87.67%vs.55.94%,P<0.001)完全控制率均明显优于B组,A组急性期及延迟期恶心、呕吐完全控制率优于B组。同时,A组患者在生存质量的功能领域(躯体功能、角色功能、社会功能),症状领域(恶心呕吐、疲倦、失眠、厌食),以及总体健康状况方面均表现出显著的优势。结论:个体化CINV诊疗模式可显著改善真实世界中胃肠道恶性肿瘤患者的CINV控制率和生存质量。
文摘表面辅助的金属有机纳米结构因其结构稳定性和潜在应用受到广泛关注。在金属有机纳米结构中,金属原子来源于外部沉积的金属或金属表面原子。外部沉积的金属原子种类多样,取决于目标纳米结构。然而,金属表面原子受限于表面科学常用的金、银和铜单晶金属表面。金属有机纳米结构大多包括Au配位或是Cu配位结构,而只有少量的用表面Ag原子构成。分子金属相互作用的进一步研究有助于预期纳米结构的精确控制形成。至于构建基元,有机分子通过M―C、M―N和M―O键与表面金属原子配位。末端炔反应或者乌尔曼耦合能够实现C―M―C节点的形成。Cu和Au原子能够与含有末端氰基或吡啶基官能团的分子配位形成N―M―N键。另外,表面Ag增原子能够通过Ag―N配位键与酞菁分子配位。然而,M―O配位键的相关研究较少。因此,我们计划使用末端羟基分子与Ag增原子配位形成金属有机配位纳米结构去研究O―Ag节点。我们通过扫描隧道显微镜利用4,4’-二羟基-1,1’:3’,1’’-三联苯分子(4,4’-dihydroxy-1,1’:3’,1’’-terphenyl,H3PH)和Ag增原子成功构筑了一系列二维有序纳米结构。在室温下,蒸镀的H3PH分子自组装形成由环氢键连接的密堆积结构。当退火温度提升到330K,一种新的纳米结构出现了,该结构由O―Ag配位键和氢键共同作用形成。进一步地提升退火温度至420K,蜂巢结构和共存的二重配位链出现,这两种结构中仅由O―Ag―O键构成。为分析金属分子反应路径和O―Ag―O键的能量势垒,我们对该体系进行密度泛函理论计算。计算结果显示,O―Ag键形成的能量势垒是1.41 eV,小于O―Ag―O节点1.85 e V的能量势垒。这也解释了分等级金属-有机纳米结构形成的原因。我们的实验结果提供了一种利用有机小分子和金属增原子来设计和构筑分等级二维纳米结构的有效方法。
文摘OBJECTIVE To investigate the anti-tremor effect and mechanism of baicalein on oxotremorine-induced muscle tremor in mice.METHODS The acute model of muscular tremor was induced by intraperitoneal injection of oxotremorine,and the latency,duration and frequency of muscle tremor in mice were measured immediately;the saliva of mice was measured to reflect the correlation between tremor and peripheral nerve function;the aim of this study was to determine the content of MDA and the activity of GSH-PX,and to investigate the anti-oxidation of mice with tremor model.The activity of acetylcholinesterase(AchE)and acetylcholine transferase(ChA T)can indirectly reflect the level of acetylcholine in the brain.The level of monoamine neurotransmitters in brain tissue was determined by high performance liquid chromatography(HPLC-ECD).RESULTS The animals in the model group appeared obvious tremoring,salivating and erecting and other symptoms.Compared to the model group,there was no obvious inhibitory effect on the administration of each dose.After 7,14,21 and 28 d of continuous administration,the latency,duration and tremor frequency of tremor mice were significantly shortened,the levels of acetylcholine were significantly decreased,the changes of DOPAC and DA neurotransmitters in the brain of model group were recovered,regulate the dynamic balance of acetylcholine and dopamine in the brain.CONCLUSION Long-term administration can improve the tremor behavior of mice,the mechanismmay be related to the regulation of neurotransmittersin brain.
文摘Objective To characterize a novel frameshift mutation of the epithelial sodium channel(ENaC)βsubunit in a Chinese family with clinical suspicion of Liddle syndrome.And to emphasize that genetic testing is a confirmatory evidence of the diagnosis of Liddle syndrome.Methods DNA samples from the proband with early-onset,treatment-resistant hypertension and hypokalemia and 31 additional relatives were all sequenced for mutations in exon 13 of theβ-ENaC andγ-ENaC genes,using amplification by polymerase chain reaction and direct DNA sequencing.
文摘Background and Objective Desminopathy is a largely heterogeneous group of conditions involving inherited or sporadic myofibrillar myopathy.In terms of its mode of inheritance,the autosomal dominant form is predominant.Desmin gene(DES)mutations play a critical role among the pathogenic inherited factors associated with desminopathy.Desminopathy involves various phenotypes,mainly including different cardiomyopathies,skeletal myopathy and arrhythmia.The purposes of this study are characterization of a novel phenotype and identification of a DES splicing mutation in a Chinese family with desminnopathy.
