17β-雌二醇对子宫内膜异位症患者在位子宫内膜间质细胞β-catenin mRNA和蛋白表达的影响

目的研究17β-雌二醇(17β-E2)对子宫内膜异位症(内异症)患者在位子宫内膜间质细胞β-catenin mRNA和蛋白表达的影响,探讨Wnt/β-catenin信号通路在介导雌激素促进内异症发生发展的作用。方法体外分离培养内异症患者在位子宫内膜间质细胞。用不同浓度17β-E2处理子宫内膜间质细胞48 h;此后选用10-10mol/L 17β-E2处理子宫内膜间质细胞12、24和48 h,逆转录聚合酶链反应(RT-PCR)和免疫印迹法(Western blotting)检测17β-E2处理前后子宫内膜间质细胞β-catenin mRNA和蛋白的表达水平。同法分析雌激素受体拮抗剂ICI182,780(10-6mol/L)对17β-E2促进β-catenin mRNA和蛋白表达的影响。免疫组织化学染色观察17β-E2作用后β-catenin在子宫内膜间质细胞中的定位。结果17β-E2能明显促进内异症患者在位子宫内膜间质细胞β-catenin mRNA和蛋白的表达,并呈剂量和时间依赖性,于10-10mol/L作用48 h最明显。雌激素受体拮抗剂ICI182,780能明显抑制17β-E2对子宫内膜间质细胞β-catenin mRNA和蛋白的表达。免疫组织化学染色发现17β-E2能促进β-catenin在子宫内膜间质细胞核内的表达。结论雌激素可能通过激活Wnt/β-catenin信号通路促进内异症在位子宫内膜的异位种植。     

思利巴联合传统综合法治疗儿童弱视疗效分析

目的探讨治疗儿童弱视的有效疗法。方法108例年龄4～13岁的弱视患儿，按照患者的弱视程度，注视性质，随机分成两组，一组为：根据年龄饭后口服思利巴1、2片，每天2次，连续3个月，服药过程如出现副作用即停药。同时进行传统方法治疗：遮盖，精细目力训练，后像红闵仪训练；另一组（对照组）：只进行传统方法治疗：遮盖，精细目力训练，后像红闪仪训练。结果服药组有效率达100％，而对照组有效率达81．8％。结论思利巴联合传统方法（遮盖，精细目力训练，后像红闪仪训练）治疗儿童弱视疗效佳、疗程短、疗效巩固。     

Hypersensitivity pneumonitis in rabbits. Modulation of pulmonary inflammation by long-term aerosol challenge with antigen

Immunized rabbits that were aerosol challenged for 2 to 3 wk with pigeon dropping extract, an etiologic agent of hypersensitivity pneumonitis, developed chronic pulmonary inflammation associated with cell-mediated immunity in bronchoalveolar cells. However, prolonged aerosol challenge for 12 wk resulted in the diminution of pulmonary inflammation (modulation) and the loss of demonstrable cell-mediated immunity. This was probably not due to loss of sensitized lymphocytes that mediated pulmonary inflammation. Furthermore, rabbits undergoing modulation when they were challenged with an unrelated antigen were refractory to the development of pulmonary inflammation for at least 9 wk. After this refractory period, animals reimmunized and aerosol challenged with pigeon dropping extract displayed an anamnestic response and produced pulmonary lesions that were strikingly similar to the histopathology of human hypersensitivity pneumonitis.     

老年腔隙性脑梗死患者抑郁情绪及影响因素的研究

脑梗死后抑郁状态是脑卒中常见的并发症之一 ,其发生率为 2 3%～ 6 5 % [1] 。脑梗死后抑郁不仅严重影响患者的生活质量 ,而且可直接影响其康复和预后。随着医学影像学的发展 ,腔隙性脑梗死(Ｌａｃｕｎａｒｃｅｒｅｂｒａｌｉｎｆａｒｃｔｉｏｎ ,ＬＩ)的诊断率逐渐增高。为探讨老年ＬＩ患者抑郁的临床特点 ,我们收集老年ＬＩ病人 12 6例 ,对其抑郁的特点、抑郁症状与ＬＩ的关系及影响因素进行了研究 ,现报告如下。1　资料与方法1.1　研究对象为 1998年 1月至 2 0 0 0年 12月在本院及济宁市一院精神科住院的ＬＩ病人 12 6例 ,年龄 6 0～ 82…     

京尼平苷对地鼠胆固醇结石形成的影响

目的观察京尼平苷预防给药对地鼠胆固醇结石形成的影响.方法用高脂肪高蛋白致石饲料造成地鼠胆固醇结石模型,阳性对照药物熊去氧胆酸80mg/kg和京尼平苷50,100mg/kgig,每天预防给药,给药30d后作胆囊内容物涂片检查观察地鼠的成石率,检测胆汁脂类成分计算胆汁成石指数.结果模型组的成石率为100%,成石指数(LI)大于1;京尼平苷50和100mg/kg组的成石率分别为40%(P＜0.05)和25%(P＜0.01),LI均小于1,熊去氧胆酸组的成石率与LI与京尼平苷100mg/kg组相近.结论京尼平苷对地鼠胆固醇结石的形成可能具有抑制作用.     

FUNCTIONAL MAPPING OF THE HUMAN BRAIN DURING ACUPUNCTURE WITH MAGNETIC RESONANCE IMAGING SOMATOSENSORY CORTEX ACTIVATION

1NTRODUCTIONHegu(Ll4)isoneofthemosteffectiveandmostfrequentlyusedacupointsintraditionalChineseacupuncture.ItisindicatedfOrpaininmanypartsofthebody,butisparticularlyeffec-tiveforheadache,migraine,toothache,sorethroatandotherd1sordersoftheheadandface.Manyanimalexperimentsindicatethathighercentersinthenervoussystemareinvolvedinacupunctureanalgesia["2]butdirectevidenceforhumansubjectsisdifficulttoobtainuntilthere-centadventofpowerfu1andn0n-invasivemeth-odsforneuroimaginginthe9O's.Werecentlya…     

The association between radiological spreading pattern and clinical outcomes in necrotizing external otitis

ObjectivesNecrotizing external otitis (NEO) is a rare infectious disease of the skull base. The purpose of this study was to determine whether clinical outcomes of NEO can be correlated to different infectious spread patterns.MethodsRetrospective chart review from 2010 to 2019 with NEO patients, who were divided into two cohorts: single spreading patterns (group A) or complex spreading patterns (group B) as diagnosed by CT. Clinical symptoms, diagnostic and treatment delay, course of disease, complications, and duration of antibiotic exposure were retrospectively collected from patient records.Results41 NEO patients were included, of which 27 patients belonged to group A (66%). The disease-related mortality rate was 12.2% among the entire cohort, no differences were found between group A and B. Higher rates of N.VII (42.9% vs 14.8% P = 0.047) and N. IX palsies were found in group B compared to group A (28.6% vs 3.7%, P = 0.039). The median duration of antibiotic use was significantly different for a complex spreading pattern, clinical recovery and hospitalizations. Complications were associated with higher diagnostic delay and with a complex spread pattern. The median duration of follow-up was 12.0 (IQR 6.0–19.5) months.ConclusionNEO is a severe disease, with significant mortality and morbidity (cranial nerve palsies). The radiological spread pattern may assist in predicting clinical outcome. Furthermore, complex spread patterns are associated with higher rates of clinical nerve palsies (N. VII and N.IX), complications, surgery rates and longer duration of antibiotic use. Diagnostic delay was associated with mortality, complications and facial palsies.Level of evidenceLevel IV.     

谷子种子经高空气球搭载后的遗传变异研究

目的 选育出高产、蛋白质和用脂肪含量高的谷子品（系）种。方法 利用高空气球搭载谷子的干种子,在高空飘游８ｈ后回收种植,对其植物学特性及进行分析研究。结果 种子发芽率比对照低５．２％,发芽热比对照高２１．１％。ＳＰ１代植株高度比对照低６．８ｃｍ,旗叶面积比对照高２５％,穗重比对照高１５．９％;ＳＰ３代大穗型株系性状相对稳定,其中ＳＰ３－２的种子蛋白质和脂肪含量均高于对照经高空气球搭载后的ＳＰＥ－３５     

面口合谷收的形态学基础

目的：探讨合谷穴与口面部联系的形态学基础。方法：采用荧光素单标记和双标记法，将荧光素碘化丙啶（PI）和双苯甲亚胺（Bb)分别注入“合谷”穴区和“四白”穴区，取同侧脊神经节颈1-颈8，胸1-胸2，颈上，中，下交感节及三叉神经半月节，荧光显微镜下观察计数。结果：在脊神经节颈5-颈8观察到大量PI单标记细胞，主要分布于颈6-颈7，在三叉神经半月节也可见大量Bb单标记细胞，另外在三叉神经半月节可见少量PI-Bb以标记细胞，占标记细胞的4.5%。结论：三叉神经半月节有向“合谷”穴和“四白”穴的分支投射，这可能是“面口合谷收”的形态学基础。     

针刺四关穴治疗偏头痛及其对一氧化氮水平的影响

目的：观察针刺四关穴治疗偏头痛的疗效及其对血浆一氧化氯(N0)水平的影响。方法：对38例偏头痛患者以针刺四关穴治疗，并于治疗前后作血浆N0水平测定。结果：经治疗，患者总有效率78．95％；治疗后血浆N0水平明显升高。结论：四关穴针刺治疗偏头痛有确切疗效，其机理可能与升高血浆N0水平有关。