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27 result(s) for "鼻炎"
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过敏性鼻炎合并哮喘患者血液嗜酸性粒细胞群中P物质及其受体表达上调
目的 检测不同过敏原刺激下过敏性鼻炎合并哮喘(allergic rhinitis complicated with asthma, AR+AS)患者嗜酸性粒细胞群中P物质(substance P, SP)和NK1受体(neurokinin 1 receptor, NK1R)的表达水平,并阐述其在疾病发生过程中的作用。方法 募集14例健康人及19例急性期入院的AR+AS患者,所有志愿者进行皮肤点刺试验并收集外周血,用蒿草花粉、尘螨和梧桐花粉3种过敏原粗提液刺激后流式细胞术检测外周血嗜酸性粒细胞群中SP和NK1R的表达水平,并用SPSS软件进行数据分析。结果 19例AR+AS患者外周血嗜酸性粒细胞中,SP+细胞的比例与正常人相比升高了1.5倍(Z=-2.041,P=0.041),NK1R+细胞的比例和平均荧光强度分别上调了26.4%(Z=-3.207,P=0.001)和85.9%(Z=-4.774,P〈0.001)。此外,质量浓度为0.1μg/mL的蒿草花粉粗提液刺激患者外周血后,SP+细胞的比例上调约68.1%(Z=-2.637,P=0.008)。而健康人嗜酸性粒细胞群中SP和NK1R经不同种类和浓度过敏原刺激后其表达水平无统计学差异。结论 嗜酸性粒细胞源SP和NK1R可能在AR+AS的发生过程中起重要作用,而SP和NK1R可能是治疗AR+AS的新靶点。
上气道咳嗽综合征
咳嗽是一种常见的临床症状。上气道咳嗽综合征(UACS)是咳嗽的常见病因之一,在许多文献中也被称为后鼻孔滴漏综合征,其发生与多种常见鼻和鼻窦疾病有关。在临床实践中,及时正确地诊断和治疗鼻及鼻窦相关疾病对缓解咳嗽症状具有重要意义。
空气污染物质诱发变应性鼻炎的机制及研究进展
变应性鼻炎(A R)是常见的呼吸道变应性疾病之一,目前A R已成为一个全球性的健康问题,影响着10%-20%的人群。随着工业化进程的推进,空气污染越来越严重,这些污染物在AR的发病中可能发挥重要作用。研究表明,AR发病率的增加与空气污染密切相关。本文对空气污染与AR之间关系的研究进展进行综述,分析二氧化硫、大气颗粒物、臭氧、甲醛和二氧化氮等主要空气污染成分促使AR发病的可能机制,以期对预防和治疗AR提供启示。
组蛋白去乙酰化酶在呼吸道相关疾病中的作用及展望
R765.4; 组蛋白去乙酰化酶(HDAC)在生物体中广泛表达,是许多生理过程的关键酶,参与细胞的各种重要活动,包括染色质重塑、蛋白转录调节、细胞周期、衰老、氧化应激、炎症和免疫基因的表达等.研究表明,组蛋白乙酰化和去乙酰化平衡状态与呼吸道炎性相关疾病的发生发展密切相关,其表达失衡可导致炎症基因的表达及氧化应激的发生.本文从HDAC的结构分类及其与呼吸道相关炎性疾病发生发展的关系这两方面进行综述.
驻徐部队变应性鼻炎流行病学调查及分析
目的调查驻徐部队变应性鼻炎(AR)的流行病学特征,分析其相关危险因素及对官兵睡眠、生活及训练的影响。方法 2011年3-4月,随机整群抽取驻徐部队官兵1030人为研究对象,设计调查问卷。调查分两阶段,首先进行问卷调查,然后对根据问卷结果筛选出的AR可疑对象进行临床检查予以确诊。结果共发放问卷1052份,回收有效问卷1030份。驻徐部队官兵AR整体患病率为17.1%,男、女发病率分别为17.0%、18.8%,差异无统计学意义(P=0.731)。合并支气管哮喘等变应性疾病以及家族史与AR发生密切相关,为其重要的危险因素(OR=0.967,P=0.001;OR=2.098,P〈0.001)。44.9%的AR患者认为其睡眠受影响,75.6%的AR患者生活、训练受到影响。结论 AR在驻徐部队官兵中的发病率较高,家族史、合并其他变应性相关疾病增加了其发病危险性,并对官兵的生活训练休息造成重大影响,合理防治AR具有重要的军事价值和意义。
乌鲁木齐地区武警官兵季节过敏性鼻炎流行病学调查
目的调查乌鲁木齐地区武警官兵季节过敏性鼻炎患病情况并分析疾病特点,指导官兵对季节过敏性鼻炎进行防治。方法 2010年7-8月,以驻乌部队2294名官兵为研究对象(经问卷调查纳入研究2194例),通过病史、皮肤点刺试验及过敏原特异性IgE抗体检测,了解驻乌部队季节过敏性鼻炎患病情况。结果确诊过敏性鼻炎203例,患病率为9.3%。干部及士官患病率高于战士(15.9%,4.9%,P〈0.05),过敏原主要为蒿属花粉。服役时间与过敏性鼻炎阳性例数呈正相关(r=0.8,P〈0.05)。根据所在地不同,患病率由高到低分别为郊区/库区、林区、市区(15.8%,7.9%,5.7%,P〈0.05)。内地入伍兵患病率高于本地入伍兵(9.4%,7.2%,P〈0.05)。汉族官兵的患病率高于少数民族(10.5%,2.1%,P〈0.05)。结论乌鲁木齐地区武警官兵季节过敏性鼻炎患病率为9.3%,不同驻地官兵患病率有显著性差异。鼻炎症状随官兵在疆服役时间的延长而加重。
p38MAPK在鼻炎大鼠嗅黏膜炎性损伤中的作用
目的探讨丝裂原活化蛋白激酶p38族(p38MAPK)信号通路在鼻炎性嗅觉障碍疾病中的作用,以及p38MAPK特异性抑制剂(SB203580)对嗅黏膜的保护作用。方法选取SD大鼠,随机分成4组,经鼻孔滴人菌液制备鼻炎大鼠模型,静脉注射特异性抑制剂(SB203580)进行干预。HE染色观察大鼠鼻黏膜的损伤情况;免疫组化法检测嗅黏膜磷酸化p38MAPK的表达。结果与空白对照组比较,鼻炎组大鼠嗅黏膜p38MAPK的表达明显增强(P=0.028〈0.05);特异性抑制剂干预组的p38MAPK的表达较鼻炎组有所减轻,但差异无统计学意义(P=0.057)。结论p38MAPK信号通路参与了鼻炎的发生、发展,并导致了嗅黏膜的损害;p38MAPK特异性抑制剂在炎症过程中可能有减轻嗅黏膜损伤的作用。
Effects of Point Application on Celiac Mast Cell Degranulation in Mice with Allergic Rhinitis: An Experimental Study
目的:研究不同处理方法对卵白蛋白(Ovum Albumin,OVA)变应性鼻炎小鼠模型腹腔肥大细胞脱颗粒的影响。方法:将60只雌性小鼠随机分为5组,每组12只,分别按不同方法处理后分离各组小鼠的腹腔肥大细胞,中性红染色后计算腹腔肥大细胞脱颗粒率。结果:正常对照组、OVA变应性鼻炎组、穴位敷贴组、激素对照组、磷酸盐缓冲液(Phosphate Buffer Saline,PBS)阴性对照组小鼠腹腔肥大细胞脱颗粒率分别为(15±6)%、(53±11)%、(37±13)%、(31±15)%、(47±14)%。OVA变应性鼻炎小鼠的腹腔肥大细胞有明显的脱颗粒现象:与OVA变应性鼻炎小鼠相比,穴位敷贴组及激素对照组小鼠的腹腔肥大细胞脱颗粒现象显著减轻;PBS对照组小鼠的腹腔肥大细胞脱颗粒现象没有明显变化。结论:推测穴位敷贴抗过敏机制为稳定肥大细胞膜,抑制肥大细胞脱颗粒,减少致炎介质产生。
变应性鼻炎儿童的智力结构与个性特征分析
目的探讨变应性鼻炎儿童的智力结构与个性特征.方法选取1 2 6例确诊为变应性鼻炎儿童,根据病情严重程度分为轻度组和中重度组,同时选取4 5 例健康对照组,应用韦氏儿童智力量表( C - WISC)和艾森克个性问卷(EPQ)评估轻度组、中重度组与健康对照组的智力结构与个性特征.结果轻度组与对照组相比,总智商(FIQ) 、言语智商(VIQ)、操作智商(PIQ),各分测验及智力发展不平衡发生率差异无统计学意义(P 〉0.05)冲重度组与对照组相比,总智商(FIQ)、言语智商(VIQ)、操作智商(PIQ)差异有统计学意义(P 〈 0 . 0 5 ),各分测验中知识、领悟、算术、数字广度、词汇、填图、编码及智力发展不平衡发生率与对照组比较差异有统计学意义( P 〈 0. 0 5 ) .EPQ评分显示轻度组与对照组相比,各维度标准分差异无统计学意义(P 〉 0 . 05);中重度组与对照组相比,精神质维度评分高,内外向维度评分低,神经质维度评分高,差异有统计学意义(P 〈 0 . 0 5 ) .结论中重度持续性变应性鼻炎儿童智商水平普遍偏低,患儿智力结构损害以知识、领悟、词汇为代表的反映言语理解因子和以算术、数字广度、编码为代表的反映记忆/注意因子方面为主,智力结构发展不平衡;患儿人格特质以情绪不稳、敏感、孤僻等抑郁质倾向为主.
Genetic variants in Hippo pathway genes are associated with house dust mite‐induced allergic rhinitis in a Chinese population
Background House dust mite (HDM)‐induced allergic rhinitis (AR) is a highly prevalent disease with bothersome symptoms. Genetic variants of the Hippo pathway genes play a critical role in the respiratory disease. However, no study has reported associations between variants of the Hippo pathway genes and HDM‐induced AR risk. Methods Forty‐three key genes in the Hippo pathway were selected from the Kyoto Encyclopedia of Genes and Genomes (KEGG), Reactome pathway database, and previous reported studies. A case‐control study of 222 cases and 237 controls was performed to assess the associations between 121 genetic variants in these genes and HDM‐induced AR risk. DNeasy Blood & Tissues Kits were used for extracting genomic DNA from the venous blood and Infinium Asian Screening Array BeadChips for performing genotyping. A logistic regression model was applied to evaluate the effects of variants on HDM‐induced AR risk. The false discovery rate (FDR) method was utilized to correct for multiple testing. The receiver operating characteristic (ROC) curve was plotted to obtain the cut‐off value of total IgE for the diagnosis of HDM‐induced AR. Histone modification and transcription factor binding sites were visualized by UCSC genome browser. Moreover, expression qualitative trait loci (eQTL) analysis was obtained from Genotype‐Tissue Expression (GTEx) database. Results We found that rs754466 in DLG5 was significantly associated with a decreased HDM‐induced AR risk after FDR correction (adjusted odds ratio [OR] = 0.52, 95% confidence interval [CI] = 0.36–0.74, p = 3.25 × 10−4, PFDR = 3.93 × 10−2). The rs754466 A allele reduced the risk of HDM‐induced AR in the subgroup of moderate/severe total nasal symptom score (TNSS). Furthermore, rs754466 was associated with a high mRNA expression of DLG5. Additionally, histone modification and transcription factor binding sites were rich in the region containing rs754466. Conclusion Our findings indicated that rs754466 in DLG5 decreased the susceptibility to HDM‐induced AR.